ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/marvell/linux/drivers/scsi/mpt3sas/mpt3sas_scsih.c
new file mode 100644
index 0000000..4731e46
--- /dev/null
+++ b/marvell/linux/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -0,0 +1,11167 @@
+/*
+ * Scsi Host Layer for MPT (Message Passing Technology) based controllers
+ *
+ * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c
+ * Copyright (C) 2012-2014 LSI Corporation
+ * Copyright (C) 2013-2014 Avago Technologies
+ * (mailto: MPT-FusionLinux.pdl@avagotech.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * NO WARRANTY
+ * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
+ * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
+ * solely responsible for determining the appropriateness of using and
+ * distributing the Program and assumes all risks associated with its
+ * exercise of rights under this Agreement, including but not limited to
+ * the risks and costs of program errors, damage to or loss of data,
+ * programs or equipment, and unavailability or interruption of operations.
+
+ * DISCLAIMER OF LIABILITY
+ * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
+ * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ * USA.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/blkdev.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/aer.h>
+#include <linux/raid_class.h>
+#include <asm/unaligned.h>
+
+#include "mpt3sas_base.h"
+
+#define RAID_CHANNEL 1
+
+#define PCIE_CHANNEL 2
+
+/* forward proto's */
+static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_node *sas_expander);
+static void _firmware_event_work(struct work_struct *work);
+
+static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device);
+static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle,
+ u8 retry_count, u8 is_pd);
+static int _scsih_pcie_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle);
+static void _scsih_pcie_device_remove_from_sml(struct MPT3SAS_ADAPTER *ioc,
+ struct _pcie_device *pcie_device);
+static void
+_scsih_pcie_check_device(struct MPT3SAS_ADAPTER *ioc, u16 handle);
+static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid);
+
+/* global parameters */
+LIST_HEAD(mpt3sas_ioc_list);
+/* global ioc lock for list operations */
+DEFINE_SPINLOCK(gioc_lock);
+
+MODULE_AUTHOR(MPT3SAS_AUTHOR);
+MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
+MODULE_LICENSE("GPL");
+MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
+MODULE_ALIAS("mpt2sas");
+
+/* local parameters */
+static u8 scsi_io_cb_idx = -1;
+static u8 tm_cb_idx = -1;
+static u8 ctl_cb_idx = -1;
+static u8 base_cb_idx = -1;
+static u8 port_enable_cb_idx = -1;
+static u8 transport_cb_idx = -1;
+static u8 scsih_cb_idx = -1;
+static u8 config_cb_idx = -1;
+static int mpt2_ids;
+static int mpt3_ids;
+
+static u8 tm_tr_cb_idx = -1 ;
+static u8 tm_tr_volume_cb_idx = -1 ;
+static u8 tm_sas_control_cb_idx = -1;
+
+/* command line options */
+static u32 logging_level;
+MODULE_PARM_DESC(logging_level,
+ " bits for enabling additional logging info (default=0)");
+
+
+static ushort max_sectors = 0xFFFF;
+module_param(max_sectors, ushort, 0444);
+MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
+
+
+static int missing_delay[2] = {-1, -1};
+module_param_array(missing_delay, int, NULL, 0444);
+MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
+
+/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
+#define MPT3SAS_MAX_LUN (16895)
+static u64 max_lun = MPT3SAS_MAX_LUN;
+module_param(max_lun, ullong, 0444);
+MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
+
+static ushort hbas_to_enumerate;
+module_param(hbas_to_enumerate, ushort, 0444);
+MODULE_PARM_DESC(hbas_to_enumerate,
+ " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \
+ 1 - enumerates only SAS 2.0 generation HBAs\n \
+ 2 - enumerates only SAS 3.0 generation HBAs (default=0)");
+
+/* diag_buffer_enable is bitwise
+ * bit 0 set = TRACE
+ * bit 1 set = SNAPSHOT
+ * bit 2 set = EXTENDED
+ *
+ * Either bit can be set, or both
+ */
+static int diag_buffer_enable = -1;
+module_param(diag_buffer_enable, int, 0444);
+MODULE_PARM_DESC(diag_buffer_enable,
+ " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
+static int disable_discovery = -1;
+module_param(disable_discovery, int, 0444);
+MODULE_PARM_DESC(disable_discovery, " disable discovery ");
+
+
+/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
+static int prot_mask = -1;
+module_param(prot_mask, int, 0444);
+MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
+
+static bool enable_sdev_max_qd;
+module_param(enable_sdev_max_qd, bool, 0444);
+MODULE_PARM_DESC(enable_sdev_max_qd,
+ "Enable sdev max qd as can_queue, def=disabled(0)");
+
+/* raid transport support */
+static struct raid_template *mpt3sas_raid_template;
+static struct raid_template *mpt2sas_raid_template;
+
+
+/**
+ * struct sense_info - common structure for obtaining sense keys
+ * @skey: sense key
+ * @asc: additional sense code
+ * @ascq: additional sense code qualifier
+ */
+struct sense_info {
+ u8 skey;
+ u8 asc;
+ u8 ascq;
+};
+
+#define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
+#define MPT3SAS_TURN_ON_PFA_LED (0xFFFC)
+#define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
+#define MPT3SAS_ABRT_TASK_SET (0xFFFE)
+#define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
+/**
+ * struct fw_event_work - firmware event struct
+ * @list: link list framework
+ * @work: work object (ioc->fault_reset_work_q)
+ * @ioc: per adapter object
+ * @device_handle: device handle
+ * @VF_ID: virtual function id
+ * @VP_ID: virtual port id
+ * @ignore: flag meaning this event has been marked to ignore
+ * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h
+ * @refcount: kref for this event
+ * @event_data: reply event data payload follows
+ *
+ * This object stored on ioc->fw_event_list.
+ */
+struct fw_event_work {
+ struct list_head list;
+ struct work_struct work;
+
+ struct MPT3SAS_ADAPTER *ioc;
+ u16 device_handle;
+ u8 VF_ID;
+ u8 VP_ID;
+ u8 ignore;
+ u16 event;
+ struct kref refcount;
+ char event_data[0] __aligned(4);
+};
+
+static void fw_event_work_free(struct kref *r)
+{
+ kfree(container_of(r, struct fw_event_work, refcount));
+}
+
+static void fw_event_work_get(struct fw_event_work *fw_work)
+{
+ kref_get(&fw_work->refcount);
+}
+
+static void fw_event_work_put(struct fw_event_work *fw_work)
+{
+ kref_put(&fw_work->refcount, fw_event_work_free);
+}
+
+static struct fw_event_work *alloc_fw_event_work(int len)
+{
+ struct fw_event_work *fw_event;
+
+ fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
+ if (!fw_event)
+ return NULL;
+
+ kref_init(&fw_event->refcount);
+ return fw_event;
+}
+
+/**
+ * struct _scsi_io_transfer - scsi io transfer
+ * @handle: sas device handle (assigned by firmware)
+ * @is_raid: flag set for hidden raid components
+ * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
+ * @data_length: data transfer length
+ * @data_dma: dma pointer to data
+ * @sense: sense data
+ * @lun: lun number
+ * @cdb_length: cdb length
+ * @cdb: cdb contents
+ * @timeout: timeout for this command
+ * @VF_ID: virtual function id
+ * @VP_ID: virtual port id
+ * @valid_reply: flag set for reply message
+ * @sense_length: sense length
+ * @ioc_status: ioc status
+ * @scsi_state: scsi state
+ * @scsi_status: scsi staus
+ * @log_info: log information
+ * @transfer_length: data length transfer when there is a reply message
+ *
+ * Used for sending internal scsi commands to devices within this module.
+ * Refer to _scsi_send_scsi_io().
+ */
+struct _scsi_io_transfer {
+ u16 handle;
+ u8 is_raid;
+ enum dma_data_direction dir;
+ u32 data_length;
+ dma_addr_t data_dma;
+ u8 sense[SCSI_SENSE_BUFFERSIZE];
+ u32 lun;
+ u8 cdb_length;
+ u8 cdb[32];
+ u8 timeout;
+ u8 VF_ID;
+ u8 VP_ID;
+ u8 valid_reply;
+ /* the following bits are only valid when 'valid_reply = 1' */
+ u32 sense_length;
+ u16 ioc_status;
+ u8 scsi_state;
+ u8 scsi_status;
+ u32 log_info;
+ u32 transfer_length;
+};
+
+/**
+ * _scsih_set_debug_level - global setting of ioc->logging_level.
+ * @val: ?
+ * @kp: ?
+ *
+ * Note: The logging levels are defined in mpt3sas_debug.h.
+ */
+static int
+_scsih_set_debug_level(const char *val, const struct kernel_param *kp)
+{
+ int ret = param_set_int(val, kp);
+ struct MPT3SAS_ADAPTER *ioc;
+
+ if (ret)
+ return ret;
+
+ pr_info("setting logging_level(0x%08x)\n", logging_level);
+ spin_lock(&gioc_lock);
+ list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
+ ioc->logging_level = logging_level;
+ spin_unlock(&gioc_lock);
+ return 0;
+}
+module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
+ &logging_level, 0644);
+
+/**
+ * _scsih_srch_boot_sas_address - search based on sas_address
+ * @sas_address: sas address
+ * @boot_device: boot device object from bios page 2
+ *
+ * Return: 1 when there's a match, 0 means no match.
+ */
+static inline int
+_scsih_srch_boot_sas_address(u64 sas_address,
+ Mpi2BootDeviceSasWwid_t *boot_device)
+{
+ return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
+}
+
+/**
+ * _scsih_srch_boot_device_name - search based on device name
+ * @device_name: device name specified in INDENTIFY fram
+ * @boot_device: boot device object from bios page 2
+ *
+ * Return: 1 when there's a match, 0 means no match.
+ */
+static inline int
+_scsih_srch_boot_device_name(u64 device_name,
+ Mpi2BootDeviceDeviceName_t *boot_device)
+{
+ return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
+}
+
+/**
+ * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
+ * @enclosure_logical_id: enclosure logical id
+ * @slot_number: slot number
+ * @boot_device: boot device object from bios page 2
+ *
+ * Return: 1 when there's a match, 0 means no match.
+ */
+static inline int
+_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
+ Mpi2BootDeviceEnclosureSlot_t *boot_device)
+{
+ return (enclosure_logical_id == le64_to_cpu(boot_device->
+ EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
+ SlotNumber)) ? 1 : 0;
+}
+
+/**
+ * _scsih_is_boot_device - search for matching boot device.
+ * @sas_address: sas address
+ * @device_name: device name specified in INDENTIFY fram
+ * @enclosure_logical_id: enclosure logical id
+ * @slot: slot number
+ * @form: specifies boot device form
+ * @boot_device: boot device object from bios page 2
+ *
+ * Return: 1 when there's a match, 0 means no match.
+ */
+static int
+_scsih_is_boot_device(u64 sas_address, u64 device_name,
+ u64 enclosure_logical_id, u16 slot, u8 form,
+ Mpi2BiosPage2BootDevice_t *boot_device)
+{
+ int rc = 0;
+
+ switch (form) {
+ case MPI2_BIOSPAGE2_FORM_SAS_WWID:
+ if (!sas_address)
+ break;
+ rc = _scsih_srch_boot_sas_address(
+ sas_address, &boot_device->SasWwid);
+ break;
+ case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
+ if (!enclosure_logical_id)
+ break;
+ rc = _scsih_srch_boot_encl_slot(
+ enclosure_logical_id,
+ slot, &boot_device->EnclosureSlot);
+ break;
+ case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
+ if (!device_name)
+ break;
+ rc = _scsih_srch_boot_device_name(
+ device_name, &boot_device->DeviceName);
+ break;
+ case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
+ break;
+ }
+
+ return rc;
+}
+
+/**
+ * _scsih_get_sas_address - set the sas_address for given device handle
+ * @ioc: ?
+ * @handle: device handle
+ * @sas_address: sas address
+ *
+ * Return: 0 success, non-zero when failure
+ */
+static int
+_scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle,
+ u64 *sas_address)
+{
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u32 ioc_status;
+
+ *sas_address = 0;
+
+ if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+ MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -ENXIO;
+ }
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
+ if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
+ /* For HBA, vSES doesn't return HBA SAS address. Instead return
+ * vSES's sas address.
+ */
+ if ((handle <= ioc->sas_hba.num_phys) &&
+ (!(le32_to_cpu(sas_device_pg0.DeviceInfo) &
+ MPI2_SAS_DEVICE_INFO_SEP)))
+ *sas_address = ioc->sas_hba.sas_address;
+ else
+ *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
+ return 0;
+ }
+
+ /* we hit this because the given parent handle doesn't exist */
+ if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
+ return -ENXIO;
+
+ /* else error case */
+ ioc_err(ioc, "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
+ handle, ioc_status, __FILE__, __LINE__, __func__);
+ return -EIO;
+}
+
+/**
+ * _scsih_determine_boot_device - determine boot device.
+ * @ioc: per adapter object
+ * @device: sas_device or pcie_device object
+ * @channel: SAS or PCIe channel
+ *
+ * Determines whether this device should be first reported device to
+ * to scsi-ml or sas transport, this purpose is for persistent boot device.
+ * There are primary, alternate, and current entries in bios page 2. The order
+ * priority is primary, alternate, then current. This routine saves
+ * the corresponding device object.
+ * The saved data to be used later in _scsih_probe_boot_devices().
+ */
+static void
+_scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, void *device,
+ u32 channel)
+{
+ struct _sas_device *sas_device;
+ struct _pcie_device *pcie_device;
+ struct _raid_device *raid_device;
+ u64 sas_address;
+ u64 device_name;
+ u64 enclosure_logical_id;
+ u16 slot;
+
+ /* only process this function when driver loads */
+ if (!ioc->is_driver_loading)
+ return;
+
+ /* no Bios, return immediately */
+ if (!ioc->bios_pg3.BiosVersion)
+ return;
+
+ if (channel == RAID_CHANNEL) {
+ raid_device = device;
+ sas_address = raid_device->wwid;
+ device_name = 0;
+ enclosure_logical_id = 0;
+ slot = 0;
+ } else if (channel == PCIE_CHANNEL) {
+ pcie_device = device;
+ sas_address = pcie_device->wwid;
+ device_name = 0;
+ enclosure_logical_id = 0;
+ slot = 0;
+ } else {
+ sas_device = device;
+ sas_address = sas_device->sas_address;
+ device_name = sas_device->device_name;
+ enclosure_logical_id = sas_device->enclosure_logical_id;
+ slot = sas_device->slot;
+ }
+
+ if (!ioc->req_boot_device.device) {
+ if (_scsih_is_boot_device(sas_address, device_name,
+ enclosure_logical_id, slot,
+ (ioc->bios_pg2.ReqBootDeviceForm &
+ MPI2_BIOSPAGE2_FORM_MASK),
+ &ioc->bios_pg2.RequestedBootDevice)) {
+ dinitprintk(ioc,
+ ioc_info(ioc, "%s: req_boot_device(0x%016llx)\n",
+ __func__, (u64)sas_address));
+ ioc->req_boot_device.device = device;
+ ioc->req_boot_device.channel = channel;
+ }
+ }
+
+ if (!ioc->req_alt_boot_device.device) {
+ if (_scsih_is_boot_device(sas_address, device_name,
+ enclosure_logical_id, slot,
+ (ioc->bios_pg2.ReqAltBootDeviceForm &
+ MPI2_BIOSPAGE2_FORM_MASK),
+ &ioc->bios_pg2.RequestedAltBootDevice)) {
+ dinitprintk(ioc,
+ ioc_info(ioc, "%s: req_alt_boot_device(0x%016llx)\n",
+ __func__, (u64)sas_address));
+ ioc->req_alt_boot_device.device = device;
+ ioc->req_alt_boot_device.channel = channel;
+ }
+ }
+
+ if (!ioc->current_boot_device.device) {
+ if (_scsih_is_boot_device(sas_address, device_name,
+ enclosure_logical_id, slot,
+ (ioc->bios_pg2.CurrentBootDeviceForm &
+ MPI2_BIOSPAGE2_FORM_MASK),
+ &ioc->bios_pg2.CurrentBootDevice)) {
+ dinitprintk(ioc,
+ ioc_info(ioc, "%s: current_boot_device(0x%016llx)\n",
+ __func__, (u64)sas_address));
+ ioc->current_boot_device.device = device;
+ ioc->current_boot_device.channel = channel;
+ }
+ }
+}
+
+static struct _sas_device *
+__mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
+ struct MPT3SAS_TARGET *tgt_priv)
+{
+ struct _sas_device *ret;
+
+ assert_spin_locked(&ioc->sas_device_lock);
+
+ ret = tgt_priv->sas_dev;
+ if (ret)
+ sas_device_get(ret);
+
+ return ret;
+}
+
+static struct _sas_device *
+mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
+ struct MPT3SAS_TARGET *tgt_priv)
+{
+ struct _sas_device *ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ return ret;
+}
+
+static struct _pcie_device *
+__mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc,
+ struct MPT3SAS_TARGET *tgt_priv)
+{
+ struct _pcie_device *ret;
+
+ assert_spin_locked(&ioc->pcie_device_lock);
+
+ ret = tgt_priv->pcie_dev;
+ if (ret)
+ pcie_device_get(ret);
+
+ return ret;
+}
+
+/**
+ * mpt3sas_get_pdev_from_target - pcie device search
+ * @ioc: per adapter object
+ * @tgt_priv: starget private object
+ *
+ * Context: This function will acquire ioc->pcie_device_lock and will release
+ * before returning the pcie_device object.
+ *
+ * This searches for pcie_device from target, then return pcie_device object.
+ */
+static struct _pcie_device *
+mpt3sas_get_pdev_from_target(struct MPT3SAS_ADAPTER *ioc,
+ struct MPT3SAS_TARGET *tgt_priv)
+{
+ struct _pcie_device *ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ ret = __mpt3sas_get_pdev_from_target(ioc, tgt_priv);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ return ret;
+}
+
+struct _sas_device *
+__mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
+ u64 sas_address)
+{
+ struct _sas_device *sas_device;
+
+ assert_spin_locked(&ioc->sas_device_lock);
+
+ list_for_each_entry(sas_device, &ioc->sas_device_list, list)
+ if (sas_device->sas_address == sas_address)
+ goto found_device;
+
+ list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
+ if (sas_device->sas_address == sas_address)
+ goto found_device;
+
+ return NULL;
+
+found_device:
+ sas_device_get(sas_device);
+ return sas_device;
+}
+
+/**
+ * mpt3sas_get_sdev_by_addr - sas device search
+ * @ioc: per adapter object
+ * @sas_address: sas address
+ * Context: Calling function should acquire ioc->sas_device_lock
+ *
+ * This searches for sas_device based on sas_address, then return sas_device
+ * object.
+ */
+struct _sas_device *
+mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
+ u64 sas_address)
+{
+ struct _sas_device *sas_device;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc,
+ sas_address);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ return sas_device;
+}
+
+static struct _sas_device *
+__mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _sas_device *sas_device;
+
+ assert_spin_locked(&ioc->sas_device_lock);
+
+ list_for_each_entry(sas_device, &ioc->sas_device_list, list)
+ if (sas_device->handle == handle)
+ goto found_device;
+
+ list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
+ if (sas_device->handle == handle)
+ goto found_device;
+
+ return NULL;
+
+found_device:
+ sas_device_get(sas_device);
+ return sas_device;
+}
+
+/**
+ * mpt3sas_get_sdev_by_handle - sas device search
+ * @ioc: per adapter object
+ * @handle: sas device handle (assigned by firmware)
+ * Context: Calling function should acquire ioc->sas_device_lock
+ *
+ * This searches for sas_device based on sas_address, then return sas_device
+ * object.
+ */
+struct _sas_device *
+mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _sas_device *sas_device;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ return sas_device;
+}
+
+/**
+ * _scsih_display_enclosure_chassis_info - display device location info
+ * @ioc: per adapter object
+ * @sas_device: per sas device object
+ * @sdev: scsi device struct
+ * @starget: scsi target struct
+ */
+static void
+_scsih_display_enclosure_chassis_info(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device, struct scsi_device *sdev,
+ struct scsi_target *starget)
+{
+ if (sdev) {
+ if (sas_device->enclosure_handle != 0)
+ sdev_printk(KERN_INFO, sdev,
+ "enclosure logical id (0x%016llx), slot(%d) \n",
+ (unsigned long long)
+ sas_device->enclosure_logical_id,
+ sas_device->slot);
+ if (sas_device->connector_name[0] != '\0')
+ sdev_printk(KERN_INFO, sdev,
+ "enclosure level(0x%04x), connector name( %s)\n",
+ sas_device->enclosure_level,
+ sas_device->connector_name);
+ if (sas_device->is_chassis_slot_valid)
+ sdev_printk(KERN_INFO, sdev, "chassis slot(0x%04x)\n",
+ sas_device->chassis_slot);
+ } else if (starget) {
+ if (sas_device->enclosure_handle != 0)
+ starget_printk(KERN_INFO, starget,
+ "enclosure logical id(0x%016llx), slot(%d) \n",
+ (unsigned long long)
+ sas_device->enclosure_logical_id,
+ sas_device->slot);
+ if (sas_device->connector_name[0] != '\0')
+ starget_printk(KERN_INFO, starget,
+ "enclosure level(0x%04x), connector name( %s)\n",
+ sas_device->enclosure_level,
+ sas_device->connector_name);
+ if (sas_device->is_chassis_slot_valid)
+ starget_printk(KERN_INFO, starget,
+ "chassis slot(0x%04x)\n",
+ sas_device->chassis_slot);
+ } else {
+ if (sas_device->enclosure_handle != 0)
+ ioc_info(ioc, "enclosure logical id(0x%016llx), slot(%d)\n",
+ (u64)sas_device->enclosure_logical_id,
+ sas_device->slot);
+ if (sas_device->connector_name[0] != '\0')
+ ioc_info(ioc, "enclosure level(0x%04x), connector name( %s)\n",
+ sas_device->enclosure_level,
+ sas_device->connector_name);
+ if (sas_device->is_chassis_slot_valid)
+ ioc_info(ioc, "chassis slot(0x%04x)\n",
+ sas_device->chassis_slot);
+ }
+}
+
+/**
+ * _scsih_sas_device_remove - remove sas_device from list.
+ * @ioc: per adapter object
+ * @sas_device: the sas_device object
+ * Context: This function will acquire ioc->sas_device_lock.
+ *
+ * If sas_device is on the list, remove it and decrement its reference count.
+ */
+static void
+_scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device)
+{
+ unsigned long flags;
+
+ if (!sas_device)
+ return;
+ ioc_info(ioc, "removing handle(0x%04x), sas_addr(0x%016llx)\n",
+ sas_device->handle, (u64)sas_device->sas_address);
+
+ _scsih_display_enclosure_chassis_info(ioc, sas_device, NULL, NULL);
+
+ /*
+ * The lock serializes access to the list, but we still need to verify
+ * that nobody removed the entry while we were waiting on the lock.
+ */
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ if (!list_empty(&sas_device->list)) {
+ list_del_init(&sas_device->list);
+ sas_device_put(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+}
+
+/**
+ * _scsih_device_remove_by_handle - removing device object by handle
+ * @ioc: per adapter object
+ * @handle: device handle
+ */
+static void
+_scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _sas_device *sas_device;
+ unsigned long flags;
+
+ if (ioc->shost_recovery)
+ return;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (sas_device) {
+ list_del_init(&sas_device->list);
+ sas_device_put(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ if (sas_device) {
+ _scsih_remove_device(ioc, sas_device);
+ sas_device_put(sas_device);
+ }
+}
+
+/**
+ * mpt3sas_device_remove_by_sas_address - removing device object by sas address
+ * @ioc: per adapter object
+ * @sas_address: device sas_address
+ */
+void
+mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
+ u64 sas_address)
+{
+ struct _sas_device *sas_device;
+ unsigned long flags;
+
+ if (ioc->shost_recovery)
+ return;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address);
+ if (sas_device) {
+ list_del_init(&sas_device->list);
+ sas_device_put(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ if (sas_device) {
+ _scsih_remove_device(ioc, sas_device);
+ sas_device_put(sas_device);
+ }
+}
+
+/**
+ * _scsih_sas_device_add - insert sas_device to the list.
+ * @ioc: per adapter object
+ * @sas_device: the sas_device object
+ * Context: This function will acquire ioc->sas_device_lock.
+ *
+ * Adding new object to the ioc->sas_device_list.
+ */
+static void
+_scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device)
+{
+ unsigned long flags;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
+ __func__, sas_device->handle,
+ (u64)sas_device->sas_address));
+
+ dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
+ NULL, NULL));
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device_get(sas_device);
+ list_add_tail(&sas_device->list, &ioc->sas_device_list);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ if (ioc->hide_drives) {
+ clear_bit(sas_device->handle, ioc->pend_os_device_add);
+ return;
+ }
+
+ if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
+ sas_device->sas_address_parent)) {
+ _scsih_sas_device_remove(ioc, sas_device);
+ } else if (!sas_device->starget) {
+ /*
+ * When asyn scanning is enabled, its not possible to remove
+ * devices while scanning is turned on due to an oops in
+ * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
+ */
+ if (!ioc->is_driver_loading) {
+ mpt3sas_transport_port_remove(ioc,
+ sas_device->sas_address,
+ sas_device->sas_address_parent);
+ _scsih_sas_device_remove(ioc, sas_device);
+ }
+ } else
+ clear_bit(sas_device->handle, ioc->pend_os_device_add);
+}
+
+/**
+ * _scsih_sas_device_init_add - insert sas_device to the list.
+ * @ioc: per adapter object
+ * @sas_device: the sas_device object
+ * Context: This function will acquire ioc->sas_device_lock.
+ *
+ * Adding new object at driver load time to the ioc->sas_device_init_list.
+ */
+static void
+_scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device)
+{
+ unsigned long flags;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
+ __func__, sas_device->handle,
+ (u64)sas_device->sas_address));
+
+ dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
+ NULL, NULL));
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device_get(sas_device);
+ list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
+ _scsih_determine_boot_device(ioc, sas_device, 0);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+}
+
+
+static struct _pcie_device *
+__mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
+{
+ struct _pcie_device *pcie_device;
+
+ assert_spin_locked(&ioc->pcie_device_lock);
+
+ list_for_each_entry(pcie_device, &ioc->pcie_device_list, list)
+ if (pcie_device->wwid == wwid)
+ goto found_device;
+
+ list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list)
+ if (pcie_device->wwid == wwid)
+ goto found_device;
+
+ return NULL;
+
+found_device:
+ pcie_device_get(pcie_device);
+ return pcie_device;
+}
+
+
+/**
+ * mpt3sas_get_pdev_by_wwid - pcie device search
+ * @ioc: per adapter object
+ * @wwid: wwid
+ *
+ * Context: This function will acquire ioc->pcie_device_lock and will release
+ * before returning the pcie_device object.
+ *
+ * This searches for pcie_device based on wwid, then return pcie_device object.
+ */
+static struct _pcie_device *
+mpt3sas_get_pdev_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
+{
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ return pcie_device;
+}
+
+
+static struct _pcie_device *
+__mpt3sas_get_pdev_by_idchannel(struct MPT3SAS_ADAPTER *ioc, int id,
+ int channel)
+{
+ struct _pcie_device *pcie_device;
+
+ assert_spin_locked(&ioc->pcie_device_lock);
+
+ list_for_each_entry(pcie_device, &ioc->pcie_device_list, list)
+ if (pcie_device->id == id && pcie_device->channel == channel)
+ goto found_device;
+
+ list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list)
+ if (pcie_device->id == id && pcie_device->channel == channel)
+ goto found_device;
+
+ return NULL;
+
+found_device:
+ pcie_device_get(pcie_device);
+ return pcie_device;
+}
+
+static struct _pcie_device *
+__mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _pcie_device *pcie_device;
+
+ assert_spin_locked(&ioc->pcie_device_lock);
+
+ list_for_each_entry(pcie_device, &ioc->pcie_device_list, list)
+ if (pcie_device->handle == handle)
+ goto found_device;
+
+ list_for_each_entry(pcie_device, &ioc->pcie_device_init_list, list)
+ if (pcie_device->handle == handle)
+ goto found_device;
+
+ return NULL;
+
+found_device:
+ pcie_device_get(pcie_device);
+ return pcie_device;
+}
+
+
+/**
+ * mpt3sas_get_pdev_by_handle - pcie device search
+ * @ioc: per adapter object
+ * @handle: Firmware device handle
+ *
+ * Context: This function will acquire ioc->pcie_device_lock and will release
+ * before returning the pcie_device object.
+ *
+ * This searches for pcie_device based on handle, then return pcie_device
+ * object.
+ */
+struct _pcie_device *
+mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ return pcie_device;
+}
+
+/**
+ * _scsih_pcie_device_remove - remove pcie_device from list.
+ * @ioc: per adapter object
+ * @pcie_device: the pcie_device object
+ * Context: This function will acquire ioc->pcie_device_lock.
+ *
+ * If pcie_device is on the list, remove it and decrement its reference count.
+ */
+static void
+_scsih_pcie_device_remove(struct MPT3SAS_ADAPTER *ioc,
+ struct _pcie_device *pcie_device)
+{
+ unsigned long flags;
+ int was_on_pcie_device_list = 0;
+
+ if (!pcie_device)
+ return;
+ ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
+ pcie_device->handle, (u64)pcie_device->wwid);
+ if (pcie_device->enclosure_handle != 0)
+ ioc_info(ioc, "removing enclosure logical id(0x%016llx), slot(%d)\n",
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot);
+ if (pcie_device->connector_name[0] != '\0')
+ ioc_info(ioc, "removing enclosure level(0x%04x), connector name( %s)\n",
+ pcie_device->enclosure_level,
+ pcie_device->connector_name);
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ if (!list_empty(&pcie_device->list)) {
+ list_del_init(&pcie_device->list);
+ was_on_pcie_device_list = 1;
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ if (was_on_pcie_device_list) {
+ kfree(pcie_device->serial_number);
+ pcie_device_put(pcie_device);
+ }
+}
+
+
+/**
+ * _scsih_pcie_device_remove_by_handle - removing pcie device object by handle
+ * @ioc: per adapter object
+ * @handle: device handle
+ */
+static void
+_scsih_pcie_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+ int was_on_pcie_device_list = 0;
+
+ if (ioc->shost_recovery)
+ return;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
+ if (pcie_device) {
+ if (!list_empty(&pcie_device->list)) {
+ list_del_init(&pcie_device->list);
+ was_on_pcie_device_list = 1;
+ pcie_device_put(pcie_device);
+ }
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ if (was_on_pcie_device_list) {
+ _scsih_pcie_device_remove_from_sml(ioc, pcie_device);
+ pcie_device_put(pcie_device);
+ }
+}
+
+/**
+ * _scsih_pcie_device_add - add pcie_device object
+ * @ioc: per adapter object
+ * @pcie_device: pcie_device object
+ *
+ * This is added to the pcie_device_list link list.
+ */
+static void
+_scsih_pcie_device_add(struct MPT3SAS_ADAPTER *ioc,
+ struct _pcie_device *pcie_device)
+{
+ unsigned long flags;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: handle (0x%04x), wwid(0x%016llx)\n",
+ __func__,
+ pcie_device->handle, (u64)pcie_device->wwid));
+ if (pcie_device->enclosure_handle != 0)
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enclosure logical id(0x%016llx), slot( %d)\n",
+ __func__,
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot));
+ if (pcie_device->connector_name[0] != '\0')
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enclosure level(0x%04x), connector name( %s)\n",
+ __func__, pcie_device->enclosure_level,
+ pcie_device->connector_name));
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device_get(pcie_device);
+ list_add_tail(&pcie_device->list, &ioc->pcie_device_list);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ if (pcie_device->access_status ==
+ MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED) {
+ clear_bit(pcie_device->handle, ioc->pend_os_device_add);
+ return;
+ }
+ if (scsi_add_device(ioc->shost, PCIE_CHANNEL, pcie_device->id, 0)) {
+ _scsih_pcie_device_remove(ioc, pcie_device);
+ } else if (!pcie_device->starget) {
+ if (!ioc->is_driver_loading) {
+/*TODO-- Need to find out whether this condition will occur or not*/
+ clear_bit(pcie_device->handle, ioc->pend_os_device_add);
+ }
+ } else
+ clear_bit(pcie_device->handle, ioc->pend_os_device_add);
+}
+
+/*
+ * _scsih_pcie_device_init_add - insert pcie_device to the init list.
+ * @ioc: per adapter object
+ * @pcie_device: the pcie_device object
+ * Context: This function will acquire ioc->pcie_device_lock.
+ *
+ * Adding new object at driver load time to the ioc->pcie_device_init_list.
+ */
+static void
+_scsih_pcie_device_init_add(struct MPT3SAS_ADAPTER *ioc,
+ struct _pcie_device *pcie_device)
+{
+ unsigned long flags;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: handle (0x%04x), wwid(0x%016llx)\n",
+ __func__,
+ pcie_device->handle, (u64)pcie_device->wwid));
+ if (pcie_device->enclosure_handle != 0)
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enclosure logical id(0x%016llx), slot( %d)\n",
+ __func__,
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot));
+ if (pcie_device->connector_name[0] != '\0')
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enclosure level(0x%04x), connector name( %s)\n",
+ __func__, pcie_device->enclosure_level,
+ pcie_device->connector_name));
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device_get(pcie_device);
+ list_add_tail(&pcie_device->list, &ioc->pcie_device_init_list);
+ if (pcie_device->access_status !=
+ MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED)
+ _scsih_determine_boot_device(ioc, pcie_device, PCIE_CHANNEL);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+}
+/**
+ * _scsih_raid_device_find_by_id - raid device search
+ * @ioc: per adapter object
+ * @id: sas device target id
+ * @channel: sas device channel
+ * Context: Calling function should acquire ioc->raid_device_lock
+ *
+ * This searches for raid_device based on target id, then return raid_device
+ * object.
+ */
+static struct _raid_device *
+_scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel)
+{
+ struct _raid_device *raid_device, *r;
+
+ r = NULL;
+ list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
+ if (raid_device->id == id && raid_device->channel == channel) {
+ r = raid_device;
+ goto out;
+ }
+ }
+
+ out:
+ return r;
+}
+
+/**
+ * mpt3sas_raid_device_find_by_handle - raid device search
+ * @ioc: per adapter object
+ * @handle: sas device handle (assigned by firmware)
+ * Context: Calling function should acquire ioc->raid_device_lock
+ *
+ * This searches for raid_device based on handle, then return raid_device
+ * object.
+ */
+struct _raid_device *
+mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _raid_device *raid_device, *r;
+
+ r = NULL;
+ list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
+ if (raid_device->handle != handle)
+ continue;
+ r = raid_device;
+ goto out;
+ }
+
+ out:
+ return r;
+}
+
+/**
+ * _scsih_raid_device_find_by_wwid - raid device search
+ * @ioc: per adapter object
+ * @wwid: ?
+ * Context: Calling function should acquire ioc->raid_device_lock
+ *
+ * This searches for raid_device based on wwid, then return raid_device
+ * object.
+ */
+static struct _raid_device *
+_scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
+{
+ struct _raid_device *raid_device, *r;
+
+ r = NULL;
+ list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
+ if (raid_device->wwid != wwid)
+ continue;
+ r = raid_device;
+ goto out;
+ }
+
+ out:
+ return r;
+}
+
+/**
+ * _scsih_raid_device_add - add raid_device object
+ * @ioc: per adapter object
+ * @raid_device: raid_device object
+ *
+ * This is added to the raid_device_list link list.
+ */
+static void
+_scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc,
+ struct _raid_device *raid_device)
+{
+ unsigned long flags;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: handle(0x%04x), wwid(0x%016llx)\n",
+ __func__,
+ raid_device->handle, (u64)raid_device->wwid));
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ list_add_tail(&raid_device->list, &ioc->raid_device_list);
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+}
+
+/**
+ * _scsih_raid_device_remove - delete raid_device object
+ * @ioc: per adapter object
+ * @raid_device: raid_device object
+ *
+ */
+static void
+_scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc,
+ struct _raid_device *raid_device)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ list_del(&raid_device->list);
+ kfree(raid_device);
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+}
+
+/**
+ * mpt3sas_scsih_expander_find_by_handle - expander device search
+ * @ioc: per adapter object
+ * @handle: expander handle (assigned by firmware)
+ * Context: Calling function should acquire ioc->sas_device_lock
+ *
+ * This searches for expander device based on handle, then returns the
+ * sas_node object.
+ */
+struct _sas_node *
+mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _sas_node *sas_expander, *r;
+
+ r = NULL;
+ list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
+ if (sas_expander->handle != handle)
+ continue;
+ r = sas_expander;
+ goto out;
+ }
+ out:
+ return r;
+}
+
+/**
+ * mpt3sas_scsih_enclosure_find_by_handle - exclosure device search
+ * @ioc: per adapter object
+ * @handle: enclosure handle (assigned by firmware)
+ * Context: Calling function should acquire ioc->sas_device_lock
+ *
+ * This searches for enclosure device based on handle, then returns the
+ * enclosure object.
+ */
+static struct _enclosure_node *
+mpt3sas_scsih_enclosure_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _enclosure_node *enclosure_dev, *r;
+
+ r = NULL;
+ list_for_each_entry(enclosure_dev, &ioc->enclosure_list, list) {
+ if (le16_to_cpu(enclosure_dev->pg0.EnclosureHandle) != handle)
+ continue;
+ r = enclosure_dev;
+ goto out;
+ }
+out:
+ return r;
+}
+/**
+ * mpt3sas_scsih_expander_find_by_sas_address - expander device search
+ * @ioc: per adapter object
+ * @sas_address: sas address
+ * Context: Calling function should acquire ioc->sas_node_lock.
+ *
+ * This searches for expander device based on sas_address, then returns the
+ * sas_node object.
+ */
+struct _sas_node *
+mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
+ u64 sas_address)
+{
+ struct _sas_node *sas_expander, *r;
+
+ r = NULL;
+ list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
+ if (sas_expander->sas_address != sas_address)
+ continue;
+ r = sas_expander;
+ goto out;
+ }
+ out:
+ return r;
+}
+
+/**
+ * _scsih_expander_node_add - insert expander device to the list.
+ * @ioc: per adapter object
+ * @sas_expander: the sas_device object
+ * Context: This function will acquire ioc->sas_node_lock.
+ *
+ * Adding new object to the ioc->sas_expander_list.
+ */
+static void
+_scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_node *sas_expander)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+}
+
+/**
+ * _scsih_is_end_device - determines if device is an end device
+ * @device_info: bitfield providing information about the device.
+ * Context: none
+ *
+ * Return: 1 if end device.
+ */
+static int
+_scsih_is_end_device(u32 device_info)
+{
+ if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
+ ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
+ (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
+ (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
+ return 1;
+ else
+ return 0;
+}
+
+/**
+ * _scsih_is_nvme_pciescsi_device - determines if
+ * device is an pcie nvme/scsi device
+ * @device_info: bitfield providing information about the device.
+ * Context: none
+ *
+ * Returns 1 if device is pcie device type nvme/scsi.
+ */
+static int
+_scsih_is_nvme_pciescsi_device(u32 device_info)
+{
+ if (((device_info & MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE)
+ == MPI26_PCIE_DEVINFO_NVME) ||
+ ((device_info & MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE)
+ == MPI26_PCIE_DEVINFO_SCSI))
+ return 1;
+ else
+ return 0;
+}
+
+/**
+ * mpt3sas_scsih_scsi_lookup_get - returns scmd entry
+ * @ioc: per adapter object
+ * @smid: system request message index
+ *
+ * Return: the smid stored scmd pointer.
+ * Then will dereference the stored scmd pointer.
+ */
+struct scsi_cmnd *
+mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
+{
+ struct scsi_cmnd *scmd = NULL;
+ struct scsiio_tracker *st;
+ Mpi25SCSIIORequest_t *mpi_request;
+
+ if (smid > 0 &&
+ smid <= ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT) {
+ u32 unique_tag = smid - 1;
+
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+
+ /*
+ * If SCSI IO request is outstanding at driver level then
+ * DevHandle filed must be non-zero. If DevHandle is zero
+ * then it means that this smid is free at driver level,
+ * so return NULL.
+ */
+ if (!mpi_request->DevHandle)
+ return scmd;
+
+ scmd = scsi_host_find_tag(ioc->shost, unique_tag);
+ if (scmd) {
+ st = scsi_cmd_priv(scmd);
+ if (st->cb_idx == 0xFF || st->smid == 0)
+ scmd = NULL;
+ }
+ }
+ return scmd;
+}
+
+/**
+ * scsih_change_queue_depth - setting device queue depth
+ * @sdev: scsi device struct
+ * @qdepth: requested queue depth
+ *
+ * Return: queue depth.
+ */
+static int
+scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
+{
+ struct Scsi_Host *shost = sdev->host;
+ int max_depth;
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct _sas_device *sas_device;
+ unsigned long flags;
+
+ max_depth = shost->can_queue;
+
+ /*
+ * limit max device queue for SATA to 32 if enable_sdev_max_qd
+ * is disabled.
+ */
+ if (ioc->enable_sdev_max_qd)
+ goto not_sata;
+
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data)
+ goto not_sata;
+ sas_target_priv_data = sas_device_priv_data->sas_target;
+ if (!sas_target_priv_data)
+ goto not_sata;
+ if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
+ goto not_sata;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
+ if (sas_device) {
+ if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
+ max_depth = MPT3SAS_SATA_QUEUE_DEPTH;
+
+ sas_device_put(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ not_sata:
+
+ if (!sdev->tagged_supported)
+ max_depth = 1;
+ if (qdepth > max_depth)
+ qdepth = max_depth;
+ return scsi_change_queue_depth(sdev, qdepth);
+}
+
+/**
+ * mpt3sas_scsih_change_queue_depth - setting device queue depth
+ * @sdev: scsi device struct
+ * @qdepth: requested queue depth
+ *
+ * Returns nothing.
+ */
+void
+mpt3sas_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
+{
+ struct Scsi_Host *shost = sdev->host;
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+
+ if (ioc->enable_sdev_max_qd)
+ qdepth = shost->can_queue;
+
+ scsih_change_queue_depth(sdev, qdepth);
+}
+
+/**
+ * scsih_target_alloc - target add routine
+ * @starget: scsi target struct
+ *
+ * Return: 0 if ok. Any other return is assumed to be an error and
+ * the device is ignored.
+ */
+static int
+scsih_target_alloc(struct scsi_target *starget)
+{
+ struct Scsi_Host *shost = dev_to_shost(&starget->dev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct _sas_device *sas_device;
+ struct _raid_device *raid_device;
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+ struct sas_rphy *rphy;
+
+ sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
+ GFP_KERNEL);
+ if (!sas_target_priv_data)
+ return -ENOMEM;
+
+ starget->hostdata = sas_target_priv_data;
+ sas_target_priv_data->starget = starget;
+ sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
+
+ /* RAID volumes */
+ if (starget->channel == RAID_CHANNEL) {
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
+ starget->channel);
+ if (raid_device) {
+ sas_target_priv_data->handle = raid_device->handle;
+ sas_target_priv_data->sas_address = raid_device->wwid;
+ sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
+ if (ioc->is_warpdrive)
+ sas_target_priv_data->raid_device = raid_device;
+ raid_device->starget = starget;
+ }
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ return 0;
+ }
+
+ /* PCIe devices */
+ if (starget->channel == PCIE_CHANNEL) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_idchannel(ioc, starget->id,
+ starget->channel);
+ if (pcie_device) {
+ sas_target_priv_data->handle = pcie_device->handle;
+ sas_target_priv_data->sas_address = pcie_device->wwid;
+ sas_target_priv_data->pcie_dev = pcie_device;
+ pcie_device->starget = starget;
+ pcie_device->id = starget->id;
+ pcie_device->channel = starget->channel;
+ sas_target_priv_data->flags |=
+ MPT_TARGET_FLAGS_PCIE_DEVICE;
+ if (pcie_device->fast_path)
+ sas_target_priv_data->flags |=
+ MPT_TARGET_FASTPATH_IO;
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ return 0;
+ }
+
+ /* sas/sata devices */
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ rphy = dev_to_rphy(starget->dev.parent);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc,
+ rphy->identify.sas_address);
+
+ if (sas_device) {
+ sas_target_priv_data->handle = sas_device->handle;
+ sas_target_priv_data->sas_address = sas_device->sas_address;
+ sas_target_priv_data->sas_dev = sas_device;
+ sas_device->starget = starget;
+ sas_device->id = starget->id;
+ sas_device->channel = starget->channel;
+ if (test_bit(sas_device->handle, ioc->pd_handles))
+ sas_target_priv_data->flags |=
+ MPT_TARGET_FLAGS_RAID_COMPONENT;
+ if (sas_device->fast_path)
+ sas_target_priv_data->flags |=
+ MPT_TARGET_FASTPATH_IO;
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ return 0;
+}
+
+/**
+ * scsih_target_destroy - target destroy routine
+ * @starget: scsi target struct
+ */
+static void
+scsih_target_destroy(struct scsi_target *starget)
+{
+ struct Scsi_Host *shost = dev_to_shost(&starget->dev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct _sas_device *sas_device;
+ struct _raid_device *raid_device;
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+
+ sas_target_priv_data = starget->hostdata;
+ if (!sas_target_priv_data)
+ return;
+
+ if (starget->channel == RAID_CHANNEL) {
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
+ starget->channel);
+ if (raid_device) {
+ raid_device->starget = NULL;
+ raid_device->sdev = NULL;
+ }
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ goto out;
+ }
+
+ if (starget->channel == PCIE_CHANNEL) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_from_target(ioc,
+ sas_target_priv_data);
+ if (pcie_device && (pcie_device->starget == starget) &&
+ (pcie_device->id == starget->id) &&
+ (pcie_device->channel == starget->channel))
+ pcie_device->starget = NULL;
+
+ if (pcie_device) {
+ /*
+ * Corresponding get() is in _scsih_target_alloc()
+ */
+ sas_target_priv_data->pcie_dev = NULL;
+ pcie_device_put(pcie_device);
+ pcie_device_put(pcie_device);
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ goto out;
+ }
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
+ if (sas_device && (sas_device->starget == starget) &&
+ (sas_device->id == starget->id) &&
+ (sas_device->channel == starget->channel))
+ sas_device->starget = NULL;
+
+ if (sas_device) {
+ /*
+ * Corresponding get() is in _scsih_target_alloc()
+ */
+ sas_target_priv_data->sas_dev = NULL;
+ sas_device_put(sas_device);
+
+ sas_device_put(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ out:
+ kfree(sas_target_priv_data);
+ starget->hostdata = NULL;
+}
+
+/**
+ * scsih_slave_alloc - device add routine
+ * @sdev: scsi device struct
+ *
+ * Return: 0 if ok. Any other return is assumed to be an error and
+ * the device is ignored.
+ */
+static int
+scsih_slave_alloc(struct scsi_device *sdev)
+{
+ struct Scsi_Host *shost;
+ struct MPT3SAS_ADAPTER *ioc;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_target *starget;
+ struct _raid_device *raid_device;
+ struct _sas_device *sas_device;
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+
+ sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
+ GFP_KERNEL);
+ if (!sas_device_priv_data)
+ return -ENOMEM;
+
+ sas_device_priv_data->lun = sdev->lun;
+ sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
+
+ starget = scsi_target(sdev);
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->num_luns++;
+ sas_device_priv_data->sas_target = sas_target_priv_data;
+ sdev->hostdata = sas_device_priv_data;
+ if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
+ sdev->no_uld_attach = 1;
+
+ shost = dev_to_shost(&starget->dev);
+ ioc = shost_priv(shost);
+ if (starget->channel == RAID_CHANNEL) {
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = _scsih_raid_device_find_by_id(ioc,
+ starget->id, starget->channel);
+ if (raid_device)
+ raid_device->sdev = sdev; /* raid is single lun */
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ }
+ if (starget->channel == PCIE_CHANNEL) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_wwid(ioc,
+ sas_target_priv_data->sas_address);
+ if (pcie_device && (pcie_device->starget == NULL)) {
+ sdev_printk(KERN_INFO, sdev,
+ "%s : pcie_device->starget set to starget @ %d\n",
+ __func__, __LINE__);
+ pcie_device->starget = starget;
+ }
+
+ if (pcie_device)
+ pcie_device_put(pcie_device);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc,
+ sas_target_priv_data->sas_address);
+ if (sas_device && (sas_device->starget == NULL)) {
+ sdev_printk(KERN_INFO, sdev,
+ "%s : sas_device->starget set to starget @ %d\n",
+ __func__, __LINE__);
+ sas_device->starget = starget;
+ }
+
+ if (sas_device)
+ sas_device_put(sas_device);
+
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ }
+
+ return 0;
+}
+
+/**
+ * scsih_slave_destroy - device destroy routine
+ * @sdev: scsi device struct
+ */
+static void
+scsih_slave_destroy(struct scsi_device *sdev)
+{
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct scsi_target *starget;
+ struct Scsi_Host *shost;
+ struct MPT3SAS_ADAPTER *ioc;
+ struct _sas_device *sas_device;
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+
+ if (!sdev->hostdata)
+ return;
+
+ starget = scsi_target(sdev);
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->num_luns--;
+
+ shost = dev_to_shost(&starget->dev);
+ ioc = shost_priv(shost);
+
+ if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_from_target(ioc,
+ sas_target_priv_data);
+ if (pcie_device && !sas_target_priv_data->num_luns)
+ pcie_device->starget = NULL;
+
+ if (pcie_device)
+ pcie_device_put(pcie_device);
+
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ } else if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_from_target(ioc,
+ sas_target_priv_data);
+ if (sas_device && !sas_target_priv_data->num_luns)
+ sas_device->starget = NULL;
+
+ if (sas_device)
+ sas_device_put(sas_device);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ }
+
+ kfree(sdev->hostdata);
+ sdev->hostdata = NULL;
+}
+
+/**
+ * _scsih_display_sata_capabilities - sata capabilities
+ * @ioc: per adapter object
+ * @handle: device handle
+ * @sdev: scsi device struct
+ */
+static void
+_scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc,
+ u16 handle, struct scsi_device *sdev)
+{
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ u32 ioc_status;
+ u16 flags;
+ u32 device_info;
+
+ if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+ MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ flags = le16_to_cpu(sas_device_pg0.Flags);
+ device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
+
+ sdev_printk(KERN_INFO, sdev,
+ "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
+ "sw_preserve(%s)\n",
+ (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
+ (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
+ (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
+ "n",
+ (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
+ (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
+ (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
+}
+
+/*
+ * raid transport support -
+ * Enabled for SLES11 and newer, in older kernels the driver will panic when
+ * unloading the driver followed by a load - I believe that the subroutine
+ * raid_class_release() is not cleaning up properly.
+ */
+
+/**
+ * scsih_is_raid - return boolean indicating device is raid volume
+ * @dev: the device struct object
+ */
+static int
+scsih_is_raid(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
+
+ if (ioc->is_warpdrive)
+ return 0;
+ return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
+}
+
+static int
+scsih_is_nvme(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+
+ return (sdev->channel == PCIE_CHANNEL) ? 1 : 0;
+}
+
+/**
+ * scsih_get_resync - get raid volume resync percent complete
+ * @dev: the device struct object
+ */
+static void
+scsih_get_resync(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
+ static struct _raid_device *raid_device;
+ unsigned long flags;
+ Mpi2RaidVolPage0_t vol_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u32 volume_status_flags;
+ u8 percent_complete;
+ u16 handle;
+
+ percent_complete = 0;
+ handle = 0;
+ if (ioc->is_warpdrive)
+ goto out;
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
+ sdev->channel);
+ if (raid_device) {
+ handle = raid_device->handle;
+ percent_complete = raid_device->percent_complete;
+ }
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+
+ if (!handle)
+ goto out;
+
+ if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
+ MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
+ sizeof(Mpi2RaidVolPage0_t))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ percent_complete = 0;
+ goto out;
+ }
+
+ volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
+ if (!(volume_status_flags &
+ MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
+ percent_complete = 0;
+
+ out:
+
+ switch (ioc->hba_mpi_version_belonged) {
+ case MPI2_VERSION:
+ raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
+ break;
+ case MPI25_VERSION:
+ case MPI26_VERSION:
+ raid_set_resync(mpt3sas_raid_template, dev, percent_complete);
+ break;
+ }
+}
+
+/**
+ * scsih_get_state - get raid volume level
+ * @dev: the device struct object
+ */
+static void
+scsih_get_state(struct device *dev)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
+ static struct _raid_device *raid_device;
+ unsigned long flags;
+ Mpi2RaidVolPage0_t vol_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u32 volstate;
+ enum raid_state state = RAID_STATE_UNKNOWN;
+ u16 handle = 0;
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
+ sdev->channel);
+ if (raid_device)
+ handle = raid_device->handle;
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+
+ if (!raid_device)
+ goto out;
+
+ if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
+ MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
+ sizeof(Mpi2RaidVolPage0_t))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+
+ volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
+ if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
+ state = RAID_STATE_RESYNCING;
+ goto out;
+ }
+
+ switch (vol_pg0.VolumeState) {
+ case MPI2_RAID_VOL_STATE_OPTIMAL:
+ case MPI2_RAID_VOL_STATE_ONLINE:
+ state = RAID_STATE_ACTIVE;
+ break;
+ case MPI2_RAID_VOL_STATE_DEGRADED:
+ state = RAID_STATE_DEGRADED;
+ break;
+ case MPI2_RAID_VOL_STATE_FAILED:
+ case MPI2_RAID_VOL_STATE_MISSING:
+ state = RAID_STATE_OFFLINE;
+ break;
+ }
+ out:
+ switch (ioc->hba_mpi_version_belonged) {
+ case MPI2_VERSION:
+ raid_set_state(mpt2sas_raid_template, dev, state);
+ break;
+ case MPI25_VERSION:
+ case MPI26_VERSION:
+ raid_set_state(mpt3sas_raid_template, dev, state);
+ break;
+ }
+}
+
+/**
+ * _scsih_set_level - set raid level
+ * @ioc: ?
+ * @sdev: scsi device struct
+ * @volume_type: volume type
+ */
+static void
+_scsih_set_level(struct MPT3SAS_ADAPTER *ioc,
+ struct scsi_device *sdev, u8 volume_type)
+{
+ enum raid_level level = RAID_LEVEL_UNKNOWN;
+
+ switch (volume_type) {
+ case MPI2_RAID_VOL_TYPE_RAID0:
+ level = RAID_LEVEL_0;
+ break;
+ case MPI2_RAID_VOL_TYPE_RAID10:
+ level = RAID_LEVEL_10;
+ break;
+ case MPI2_RAID_VOL_TYPE_RAID1E:
+ level = RAID_LEVEL_1E;
+ break;
+ case MPI2_RAID_VOL_TYPE_RAID1:
+ level = RAID_LEVEL_1;
+ break;
+ }
+
+ switch (ioc->hba_mpi_version_belonged) {
+ case MPI2_VERSION:
+ raid_set_level(mpt2sas_raid_template,
+ &sdev->sdev_gendev, level);
+ break;
+ case MPI25_VERSION:
+ case MPI26_VERSION:
+ raid_set_level(mpt3sas_raid_template,
+ &sdev->sdev_gendev, level);
+ break;
+ }
+}
+
+
+/**
+ * _scsih_get_volume_capabilities - volume capabilities
+ * @ioc: per adapter object
+ * @raid_device: the raid_device object
+ *
+ * Return: 0 for success, else 1
+ */
+static int
+_scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc,
+ struct _raid_device *raid_device)
+{
+ Mpi2RaidVolPage0_t *vol_pg0;
+ Mpi2RaidPhysDiskPage0_t pd_pg0;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u16 sz;
+ u8 num_pds;
+
+ if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle,
+ &num_pds)) || !num_pds) {
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+
+ raid_device->num_pds = num_pds;
+ sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
+ sizeof(Mpi2RaidVol0PhysDisk_t));
+ vol_pg0 = kzalloc(sz, GFP_KERNEL);
+ if (!vol_pg0) {
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+
+ if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
+ MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ kfree(vol_pg0);
+ return 1;
+ }
+
+ raid_device->volume_type = vol_pg0->VolumeType;
+
+ /* figure out what the underlying devices are by
+ * obtaining the device_info bits for the 1st device
+ */
+ if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
+ &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
+ vol_pg0->PhysDisk[0].PhysDiskNum))) {
+ if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
+ &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
+ le16_to_cpu(pd_pg0.DevHandle)))) {
+ raid_device->device_info =
+ le32_to_cpu(sas_device_pg0.DeviceInfo);
+ }
+ }
+
+ kfree(vol_pg0);
+ return 0;
+}
+
+/**
+ * _scsih_enable_tlr - setting TLR flags
+ * @ioc: per adapter object
+ * @sdev: scsi device struct
+ *
+ * Enabling Transaction Layer Retries for tape devices when
+ * vpd page 0x90 is present
+ *
+ */
+static void
+_scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev)
+{
+
+ /* only for TAPE */
+ if (sdev->type != TYPE_TAPE)
+ return;
+
+ if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
+ return;
+
+ sas_enable_tlr(sdev);
+ sdev_printk(KERN_INFO, sdev, "TLR %s\n",
+ sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
+ return;
+
+}
+
+/**
+ * scsih_slave_configure - device configure routine.
+ * @sdev: scsi device struct
+ *
+ * Return: 0 if ok. Any other return is assumed to be an error and
+ * the device is ignored.
+ */
+static int
+scsih_slave_configure(struct scsi_device *sdev)
+{
+ struct Scsi_Host *shost = sdev->host;
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct _sas_device *sas_device;
+ struct _pcie_device *pcie_device;
+ struct _raid_device *raid_device;
+ unsigned long flags;
+ int qdepth;
+ u8 ssp_target = 0;
+ char *ds = "";
+ char *r_level = "";
+ u16 handle, volume_handle = 0;
+ u64 volume_wwid = 0;
+
+ qdepth = 1;
+ sas_device_priv_data = sdev->hostdata;
+ sas_device_priv_data->configured_lun = 1;
+ sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
+ sas_target_priv_data = sas_device_priv_data->sas_target;
+ handle = sas_target_priv_data->handle;
+
+ /* raid volume handling */
+ if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ if (!raid_device) {
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+
+ if (_scsih_get_volume_capabilities(ioc, raid_device)) {
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+
+ /*
+ * WARPDRIVE: Initialize the required data for Direct IO
+ */
+ mpt3sas_init_warpdrive_properties(ioc, raid_device);
+
+ /* RAID Queue Depth Support
+ * IS volume = underlying qdepth of drive type, either
+ * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
+ * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
+ */
+ if (raid_device->device_info &
+ MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
+ qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
+ ds = "SSP";
+ } else {
+ qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
+ if (raid_device->device_info &
+ MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
+ ds = "SATA";
+ else
+ ds = "STP";
+ }
+
+ switch (raid_device->volume_type) {
+ case MPI2_RAID_VOL_TYPE_RAID0:
+ r_level = "RAID0";
+ break;
+ case MPI2_RAID_VOL_TYPE_RAID1E:
+ qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
+ if (ioc->manu_pg10.OEMIdentifier &&
+ (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
+ MFG10_GF0_R10_DISPLAY) &&
+ !(raid_device->num_pds % 2))
+ r_level = "RAID10";
+ else
+ r_level = "RAID1E";
+ break;
+ case MPI2_RAID_VOL_TYPE_RAID1:
+ qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
+ r_level = "RAID1";
+ break;
+ case MPI2_RAID_VOL_TYPE_RAID10:
+ qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
+ r_level = "RAID10";
+ break;
+ case MPI2_RAID_VOL_TYPE_UNKNOWN:
+ default:
+ qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
+ r_level = "RAIDX";
+ break;
+ }
+
+ if (!ioc->hide_ir_msg)
+ sdev_printk(KERN_INFO, sdev,
+ "%s: handle(0x%04x), wwid(0x%016llx),"
+ " pd_count(%d), type(%s)\n",
+ r_level, raid_device->handle,
+ (unsigned long long)raid_device->wwid,
+ raid_device->num_pds, ds);
+
+ if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) {
+ blk_queue_max_hw_sectors(sdev->request_queue,
+ MPT3SAS_RAID_MAX_SECTORS);
+ sdev_printk(KERN_INFO, sdev,
+ "Set queue's max_sector to: %u\n",
+ MPT3SAS_RAID_MAX_SECTORS);
+ }
+
+ mpt3sas_scsih_change_queue_depth(sdev, qdepth);
+
+ /* raid transport support */
+ if (!ioc->is_warpdrive)
+ _scsih_set_level(ioc, sdev, raid_device->volume_type);
+ return 0;
+ }
+
+ /* non-raid handling */
+ if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
+ if (mpt3sas_config_get_volume_handle(ioc, handle,
+ &volume_handle)) {
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+ if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
+ volume_handle, &volume_wwid)) {
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+ }
+
+ /* PCIe handling */
+ if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_wwid(ioc,
+ sas_device_priv_data->sas_target->sas_address);
+ if (!pcie_device) {
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+
+ qdepth = MPT3SAS_NVME_QUEUE_DEPTH;
+ ds = "NVMe";
+ sdev_printk(KERN_INFO, sdev,
+ "%s: handle(0x%04x), wwid(0x%016llx), port(%d)\n",
+ ds, handle, (unsigned long long)pcie_device->wwid,
+ pcie_device->port_num);
+ if (pcie_device->enclosure_handle != 0)
+ sdev_printk(KERN_INFO, sdev,
+ "%s: enclosure logical id(0x%016llx), slot(%d)\n",
+ ds,
+ (unsigned long long)pcie_device->enclosure_logical_id,
+ pcie_device->slot);
+ if (pcie_device->connector_name[0] != '\0')
+ sdev_printk(KERN_INFO, sdev,
+ "%s: enclosure level(0x%04x),"
+ "connector name( %s)\n", ds,
+ pcie_device->enclosure_level,
+ pcie_device->connector_name);
+
+ if (pcie_device->nvme_mdts)
+ blk_queue_max_hw_sectors(sdev->request_queue,
+ pcie_device->nvme_mdts/512);
+
+ pcie_device_put(pcie_device);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ mpt3sas_scsih_change_queue_depth(sdev, qdepth);
+ /* Enable QUEUE_FLAG_NOMERGES flag, so that IOs won't be
+ ** merged and can eliminate holes created during merging
+ ** operation.
+ **/
+ blk_queue_flag_set(QUEUE_FLAG_NOMERGES,
+ sdev->request_queue);
+ blk_queue_virt_boundary(sdev->request_queue,
+ ioc->page_size - 1);
+ return 0;
+ }
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc,
+ sas_device_priv_data->sas_target->sas_address);
+ if (!sas_device) {
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ dfailprintk(ioc,
+ ioc_warn(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__));
+ return 1;
+ }
+
+ sas_device->volume_handle = volume_handle;
+ sas_device->volume_wwid = volume_wwid;
+ if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
+ qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
+ ssp_target = 1;
+ if (sas_device->device_info &
+ MPI2_SAS_DEVICE_INFO_SEP) {
+ sdev_printk(KERN_WARNING, sdev,
+ "set ignore_delay_remove for handle(0x%04x)\n",
+ sas_device_priv_data->sas_target->handle);
+ sas_device_priv_data->ignore_delay_remove = 1;
+ ds = "SES";
+ } else
+ ds = "SSP";
+ } else {
+ qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
+ if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
+ ds = "STP";
+ else if (sas_device->device_info &
+ MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
+ ds = "SATA";
+ }
+
+ sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
+ "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
+ ds, handle, (unsigned long long)sas_device->sas_address,
+ sas_device->phy, (unsigned long long)sas_device->device_name);
+
+ _scsih_display_enclosure_chassis_info(NULL, sas_device, sdev, NULL);
+
+ sas_device_put(sas_device);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ if (!ssp_target)
+ _scsih_display_sata_capabilities(ioc, handle, sdev);
+
+
+ mpt3sas_scsih_change_queue_depth(sdev, qdepth);
+
+ if (ssp_target) {
+ sas_read_port_mode_page(sdev);
+ _scsih_enable_tlr(ioc, sdev);
+ }
+
+ return 0;
+}
+
+/**
+ * scsih_bios_param - fetch head, sector, cylinder info for a disk
+ * @sdev: scsi device struct
+ * @bdev: pointer to block device context
+ * @capacity: device size (in 512 byte sectors)
+ * @params: three element array to place output:
+ * params[0] number of heads (max 255)
+ * params[1] number of sectors (max 63)
+ * params[2] number of cylinders
+ */
+static int
+scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
+ sector_t capacity, int params[])
+{
+ int heads;
+ int sectors;
+ sector_t cylinders;
+ ulong dummy;
+
+ heads = 64;
+ sectors = 32;
+
+ dummy = heads * sectors;
+ cylinders = capacity;
+ sector_div(cylinders, dummy);
+
+ /*
+ * Handle extended translation size for logical drives
+ * > 1Gb
+ */
+ if ((ulong)capacity >= 0x200000) {
+ heads = 255;
+ sectors = 63;
+ dummy = heads * sectors;
+ cylinders = capacity;
+ sector_div(cylinders, dummy);
+ }
+
+ /* return result */
+ params[0] = heads;
+ params[1] = sectors;
+ params[2] = cylinders;
+
+ return 0;
+}
+
+/**
+ * _scsih_response_code - translation of device response code
+ * @ioc: per adapter object
+ * @response_code: response code returned by the device
+ */
+static void
+_scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
+{
+ char *desc;
+
+ switch (response_code) {
+ case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
+ desc = "task management request completed";
+ break;
+ case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
+ desc = "invalid frame";
+ break;
+ case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
+ desc = "task management request not supported";
+ break;
+ case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
+ desc = "task management request failed";
+ break;
+ case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
+ desc = "task management request succeeded";
+ break;
+ case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
+ desc = "invalid lun";
+ break;
+ case 0xA:
+ desc = "overlapped tag attempted";
+ break;
+ case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
+ desc = "task queued, however not sent to target";
+ break;
+ default:
+ desc = "unknown";
+ break;
+ }
+ ioc_warn(ioc, "response_code(0x%01x): %s\n", response_code, desc);
+}
+
+/**
+ * _scsih_tm_done - tm completion routine
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ * Context: none.
+ *
+ * The callback handler when using scsih_issue_tm.
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+static u8
+_scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
+{
+ MPI2DefaultReply_t *mpi_reply;
+
+ if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
+ return 1;
+ if (ioc->tm_cmds.smid != smid)
+ return 1;
+ ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
+ mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
+ if (mpi_reply) {
+ memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
+ ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
+ }
+ ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
+ complete(&ioc->tm_cmds.done);
+ return 1;
+}
+
+/**
+ * mpt3sas_scsih_set_tm_flag - set per target tm_busy
+ * @ioc: per adapter object
+ * @handle: device handle
+ *
+ * During taskmangement request, we need to freeze the device queue.
+ */
+void
+mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_device *sdev;
+ u8 skip = 0;
+
+ shost_for_each_device(sdev, ioc->shost) {
+ if (skip)
+ continue;
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data)
+ continue;
+ if (sas_device_priv_data->sas_target->handle == handle) {
+ sas_device_priv_data->sas_target->tm_busy = 1;
+ skip = 1;
+ ioc->ignore_loginfos = 1;
+ }
+ }
+}
+
+/**
+ * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
+ * @ioc: per adapter object
+ * @handle: device handle
+ *
+ * During taskmangement request, we need to freeze the device queue.
+ */
+void
+mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_device *sdev;
+ u8 skip = 0;
+
+ shost_for_each_device(sdev, ioc->shost) {
+ if (skip)
+ continue;
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data)
+ continue;
+ if (sas_device_priv_data->sas_target->handle == handle) {
+ sas_device_priv_data->sas_target->tm_busy = 0;
+ skip = 1;
+ ioc->ignore_loginfos = 0;
+ }
+ }
+}
+
+/**
+ * mpt3sas_scsih_issue_tm - main routine for sending tm requests
+ * @ioc: per adapter struct
+ * @handle: device handle
+ * @lun: lun number
+ * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
+ * @smid_task: smid assigned to the task
+ * @msix_task: MSIX table index supplied by the OS
+ * @timeout: timeout in seconds
+ * @tr_method: Target Reset Method
+ * Context: user
+ *
+ * A generic API for sending task management requests to firmware.
+ *
+ * The callback index is set inside `ioc->tm_cb_idx`.
+ * The caller is responsible to check for outstanding commands.
+ *
+ * Return: SUCCESS or FAILED.
+ */
+int
+mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, u64 lun,
+ u8 type, u16 smid_task, u16 msix_task, u8 timeout, u8 tr_method)
+{
+ Mpi2SCSITaskManagementRequest_t *mpi_request;
+ Mpi2SCSITaskManagementReply_t *mpi_reply;
+ u16 smid = 0;
+ u32 ioc_state;
+ int rc;
+
+ lockdep_assert_held(&ioc->tm_cmds.mutex);
+
+ if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
+ ioc_info(ioc, "%s: tm_cmd busy!!!\n", __func__);
+ return FAILED;
+ }
+
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery) {
+ ioc_info(ioc, "%s: host reset in progress!\n", __func__);
+ return FAILED;
+ }
+
+ ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
+ if (ioc_state & MPI2_DOORBELL_USED) {
+ dhsprintk(ioc, ioc_info(ioc, "unexpected doorbell active!\n"));
+ rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ return (!rc) ? SUCCESS : FAILED;
+ }
+
+ if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
+ mpt3sas_base_fault_info(ioc, ioc_state &
+ MPI2_DOORBELL_DATA_MASK);
+ rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ return (!rc) ? SUCCESS : FAILED;
+ }
+
+ smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
+ if (!smid) {
+ ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
+ return FAILED;
+ }
+
+ dtmprintk(ioc,
+ ioc_info(ioc, "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d), timeout(%d), tr_method(0x%x)\n",
+ handle, type, smid_task, timeout, tr_method));
+ ioc->tm_cmds.status = MPT3_CMD_PENDING;
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ ioc->tm_cmds.smid = smid;
+ memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
+ memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
+ mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
+ mpi_request->DevHandle = cpu_to_le16(handle);
+ mpi_request->TaskType = type;
+ mpi_request->MsgFlags = tr_method;
+ mpi_request->TaskMID = cpu_to_le16(smid_task);
+ int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
+ mpt3sas_scsih_set_tm_flag(ioc, handle);
+ init_completion(&ioc->tm_cmds.done);
+ ioc->put_smid_hi_priority(ioc, smid, msix_task);
+ wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
+ if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
+ if (mpt3sas_base_check_cmd_timeout(ioc,
+ ioc->tm_cmds.status, mpi_request,
+ sizeof(Mpi2SCSITaskManagementRequest_t)/4)) {
+ rc = mpt3sas_base_hard_reset_handler(ioc,
+ FORCE_BIG_HAMMER);
+ rc = (!rc) ? SUCCESS : FAILED;
+ goto out;
+ }
+ }
+
+ /* sync IRQs in case those were busy during flush. */
+ mpt3sas_base_sync_reply_irqs(ioc);
+
+ if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
+ mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
+ mpi_reply = ioc->tm_cmds.reply;
+ dtmprintk(ioc,
+ ioc_info(ioc, "complete tm: ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
+ le16_to_cpu(mpi_reply->IOCStatus),
+ le32_to_cpu(mpi_reply->IOCLogInfo),
+ le32_to_cpu(mpi_reply->TerminationCount)));
+ if (ioc->logging_level & MPT_DEBUG_TM) {
+ _scsih_response_code(ioc, mpi_reply->ResponseCode);
+ if (mpi_reply->IOCStatus)
+ _debug_dump_mf(mpi_request,
+ sizeof(Mpi2SCSITaskManagementRequest_t)/4);
+ }
+ }
+ rc = SUCCESS;
+
+out:
+ mpt3sas_scsih_clear_tm_flag(ioc, handle);
+ ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
+ return rc;
+}
+
+int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
+ u64 lun, u8 type, u16 smid_task, u16 msix_task,
+ u8 timeout, u8 tr_method)
+{
+ int ret;
+
+ mutex_lock(&ioc->tm_cmds.mutex);
+ ret = mpt3sas_scsih_issue_tm(ioc, handle, lun, type, smid_task,
+ msix_task, timeout, tr_method);
+ mutex_unlock(&ioc->tm_cmds.mutex);
+
+ return ret;
+}
+
+/**
+ * _scsih_tm_display_info - displays info about the device
+ * @ioc: per adapter struct
+ * @scmd: pointer to scsi command object
+ *
+ * Called by task management callback handlers.
+ */
+static void
+_scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
+{
+ struct scsi_target *starget = scmd->device->sdev_target;
+ struct MPT3SAS_TARGET *priv_target = starget->hostdata;
+ struct _sas_device *sas_device = NULL;
+ struct _pcie_device *pcie_device = NULL;
+ unsigned long flags;
+ char *device_str = NULL;
+
+ if (!priv_target)
+ return;
+ if (ioc->hide_ir_msg)
+ device_str = "WarpDrive";
+ else
+ device_str = "volume";
+
+ scsi_print_command(scmd);
+ if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
+ starget_printk(KERN_INFO, starget,
+ "%s handle(0x%04x), %s wwid(0x%016llx)\n",
+ device_str, priv_target->handle,
+ device_str, (unsigned long long)priv_target->sas_address);
+
+ } else if (priv_target->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_from_target(ioc, priv_target);
+ if (pcie_device) {
+ starget_printk(KERN_INFO, starget,
+ "handle(0x%04x), wwid(0x%016llx), port(%d)\n",
+ pcie_device->handle,
+ (unsigned long long)pcie_device->wwid,
+ pcie_device->port_num);
+ if (pcie_device->enclosure_handle != 0)
+ starget_printk(KERN_INFO, starget,
+ "enclosure logical id(0x%016llx), slot(%d)\n",
+ (unsigned long long)
+ pcie_device->enclosure_logical_id,
+ pcie_device->slot);
+ if (pcie_device->connector_name[0] != '\0')
+ starget_printk(KERN_INFO, starget,
+ "enclosure level(0x%04x), connector name( %s)\n",
+ pcie_device->enclosure_level,
+ pcie_device->connector_name);
+ pcie_device_put(pcie_device);
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ } else {
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
+ if (sas_device) {
+ if (priv_target->flags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT) {
+ starget_printk(KERN_INFO, starget,
+ "volume handle(0x%04x), "
+ "volume wwid(0x%016llx)\n",
+ sas_device->volume_handle,
+ (unsigned long long)sas_device->volume_wwid);
+ }
+ starget_printk(KERN_INFO, starget,
+ "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
+ sas_device->handle,
+ (unsigned long long)sas_device->sas_address,
+ sas_device->phy);
+
+ _scsih_display_enclosure_chassis_info(NULL, sas_device,
+ NULL, starget);
+
+ sas_device_put(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ }
+}
+
+/**
+ * scsih_abort - eh threads main abort routine
+ * @scmd: pointer to scsi command object
+ *
+ * Return: SUCCESS if command aborted else FAILED
+ */
+static int
+scsih_abort(struct scsi_cmnd *scmd)
+{
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsiio_tracker *st = scsi_cmd_priv(scmd);
+ u16 handle;
+ int r;
+
+ u8 timeout = 30;
+ struct _pcie_device *pcie_device = NULL;
+ sdev_printk(KERN_INFO, scmd->device,
+ "attempting task abort! scmd(%p)\n", scmd);
+ _scsih_tm_display_info(ioc, scmd);
+
+ sas_device_priv_data = scmd->device->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
+ ioc->remove_host) {
+ sdev_printk(KERN_INFO, scmd->device,
+ "device been deleted! scmd(%p)\n", scmd);
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ r = SUCCESS;
+ goto out;
+ }
+
+ /* check for completed command */
+ if (st == NULL || st->cb_idx == 0xFF) {
+ scmd->result = DID_RESET << 16;
+ r = SUCCESS;
+ goto out;
+ }
+
+ /* for hidden raid components and volumes this is not supported */
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT ||
+ sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
+ scmd->result = DID_RESET << 16;
+ r = FAILED;
+ goto out;
+ }
+
+ mpt3sas_halt_firmware(ioc);
+
+ handle = sas_device_priv_data->sas_target->handle;
+ pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle);
+ if (pcie_device && (!ioc->tm_custom_handling) &&
+ (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info))))
+ timeout = ioc->nvme_abort_timeout;
+ r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
+ st->smid, st->msix_io, timeout, 0);
+ /* Command must be cleared after abort */
+ if (r == SUCCESS && st->cb_idx != 0xFF)
+ r = FAILED;
+ out:
+ sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
+ ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
+ if (pcie_device)
+ pcie_device_put(pcie_device);
+ return r;
+}
+
+/**
+ * scsih_dev_reset - eh threads main device reset routine
+ * @scmd: pointer to scsi command object
+ *
+ * Return: SUCCESS if command aborted else FAILED
+ */
+static int
+scsih_dev_reset(struct scsi_cmnd *scmd)
+{
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct _sas_device *sas_device = NULL;
+ struct _pcie_device *pcie_device = NULL;
+ u16 handle;
+ u8 tr_method = 0;
+ u8 tr_timeout = 30;
+ int r;
+
+ struct scsi_target *starget = scmd->device->sdev_target;
+ struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
+
+ sdev_printk(KERN_INFO, scmd->device,
+ "attempting device reset! scmd(%p)\n", scmd);
+ _scsih_tm_display_info(ioc, scmd);
+
+ sas_device_priv_data = scmd->device->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
+ ioc->remove_host) {
+ sdev_printk(KERN_INFO, scmd->device,
+ "device been deleted! scmd(%p)\n", scmd);
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ r = SUCCESS;
+ goto out;
+ }
+
+ /* for hidden raid components obtain the volume_handle */
+ handle = 0;
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT) {
+ sas_device = mpt3sas_get_sdev_from_target(ioc,
+ target_priv_data);
+ if (sas_device)
+ handle = sas_device->volume_handle;
+ } else
+ handle = sas_device_priv_data->sas_target->handle;
+
+ if (!handle) {
+ scmd->result = DID_RESET << 16;
+ r = FAILED;
+ goto out;
+ }
+
+ pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle);
+
+ if (pcie_device && (!ioc->tm_custom_handling) &&
+ (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info)))) {
+ tr_timeout = pcie_device->reset_timeout;
+ tr_method = MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE;
+ } else
+ tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
+
+ r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 0,
+ tr_timeout, tr_method);
+ /* Check for busy commands after reset */
+ if (r == SUCCESS && atomic_read(&scmd->device->device_busy))
+ r = FAILED;
+ out:
+ sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
+ ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
+
+ if (sas_device)
+ sas_device_put(sas_device);
+ if (pcie_device)
+ pcie_device_put(pcie_device);
+
+ return r;
+}
+
+/**
+ * scsih_target_reset - eh threads main target reset routine
+ * @scmd: pointer to scsi command object
+ *
+ * Return: SUCCESS if command aborted else FAILED
+ */
+static int
+scsih_target_reset(struct scsi_cmnd *scmd)
+{
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct _sas_device *sas_device = NULL;
+ struct _pcie_device *pcie_device = NULL;
+ u16 handle;
+ u8 tr_method = 0;
+ u8 tr_timeout = 30;
+ int r;
+ struct scsi_target *starget = scmd->device->sdev_target;
+ struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
+
+ starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
+ scmd);
+ _scsih_tm_display_info(ioc, scmd);
+
+ sas_device_priv_data = scmd->device->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
+ ioc->remove_host) {
+ starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
+ scmd);
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ r = SUCCESS;
+ goto out;
+ }
+
+ /* for hidden raid components obtain the volume_handle */
+ handle = 0;
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT) {
+ sas_device = mpt3sas_get_sdev_from_target(ioc,
+ target_priv_data);
+ if (sas_device)
+ handle = sas_device->volume_handle;
+ } else
+ handle = sas_device_priv_data->sas_target->handle;
+
+ if (!handle) {
+ scmd->result = DID_RESET << 16;
+ r = FAILED;
+ goto out;
+ }
+
+ pcie_device = mpt3sas_get_pdev_by_handle(ioc, handle);
+
+ if (pcie_device && (!ioc->tm_custom_handling) &&
+ (!(mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info)))) {
+ tr_timeout = pcie_device->reset_timeout;
+ tr_method = MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE;
+ } else
+ tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
+ r = mpt3sas_scsih_issue_locked_tm(ioc, handle, 0,
+ MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 0,
+ tr_timeout, tr_method);
+ /* Check for busy commands after reset */
+ if (r == SUCCESS && atomic_read(&starget->target_busy))
+ r = FAILED;
+ out:
+ starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
+ ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
+
+ if (sas_device)
+ sas_device_put(sas_device);
+ if (pcie_device)
+ pcie_device_put(pcie_device);
+ return r;
+}
+
+
+/**
+ * scsih_host_reset - eh threads main host reset routine
+ * @scmd: pointer to scsi command object
+ *
+ * Return: SUCCESS if command aborted else FAILED
+ */
+static int
+scsih_host_reset(struct scsi_cmnd *scmd)
+{
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
+ int r, retval;
+
+ ioc_info(ioc, "attempting host reset! scmd(%p)\n", scmd);
+ scsi_print_command(scmd);
+
+ if (ioc->is_driver_loading || ioc->remove_host) {
+ ioc_info(ioc, "Blocking the host reset\n");
+ r = FAILED;
+ goto out;
+ }
+
+ retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ r = (retval < 0) ? FAILED : SUCCESS;
+out:
+ ioc_info(ioc, "host reset: %s scmd(%p)\n",
+ r == SUCCESS ? "SUCCESS" : "FAILED", scmd);
+
+ return r;
+}
+
+/**
+ * _scsih_fw_event_add - insert and queue up fw_event
+ * @ioc: per adapter object
+ * @fw_event: object describing the event
+ * Context: This function will acquire ioc->fw_event_lock.
+ *
+ * This adds the firmware event object into link list, then queues it up to
+ * be processed from user context.
+ */
+static void
+_scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
+{
+ unsigned long flags;
+
+ if (ioc->firmware_event_thread == NULL)
+ return;
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ fw_event_work_get(fw_event);
+ INIT_LIST_HEAD(&fw_event->list);
+ list_add_tail(&fw_event->list, &ioc->fw_event_list);
+ INIT_WORK(&fw_event->work, _firmware_event_work);
+ fw_event_work_get(fw_event);
+ queue_work(ioc->firmware_event_thread, &fw_event->work);
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+/**
+ * _scsih_fw_event_del_from_list - delete fw_event from the list
+ * @ioc: per adapter object
+ * @fw_event: object describing the event
+ * Context: This function will acquire ioc->fw_event_lock.
+ *
+ * If the fw_event is on the fw_event_list, remove it and do a put.
+ */
+static void
+_scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
+ *fw_event)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ if (!list_empty(&fw_event->list)) {
+ list_del_init(&fw_event->list);
+ fw_event_work_put(fw_event);
+ }
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+
+ /**
+ * mpt3sas_send_trigger_data_event - send event for processing trigger data
+ * @ioc: per adapter object
+ * @event_data: trigger event data
+ */
+void
+mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
+ struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
+{
+ struct fw_event_work *fw_event;
+ u16 sz;
+
+ if (ioc->is_driver_loading)
+ return;
+ sz = sizeof(*event_data);
+ fw_event = alloc_fw_event_work(sz);
+ if (!fw_event)
+ return;
+ fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
+ fw_event->ioc = ioc;
+ memcpy(fw_event->event_data, event_data, sizeof(*event_data));
+ _scsih_fw_event_add(ioc, fw_event);
+ fw_event_work_put(fw_event);
+}
+
+/**
+ * _scsih_error_recovery_delete_devices - remove devices not responding
+ * @ioc: per adapter object
+ */
+static void
+_scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct fw_event_work *fw_event;
+
+ if (ioc->is_driver_loading)
+ return;
+ fw_event = alloc_fw_event_work(0);
+ if (!fw_event)
+ return;
+ fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
+ fw_event->ioc = ioc;
+ _scsih_fw_event_add(ioc, fw_event);
+ fw_event_work_put(fw_event);
+}
+
+/**
+ * mpt3sas_port_enable_complete - port enable completed (fake event)
+ * @ioc: per adapter object
+ */
+void
+mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct fw_event_work *fw_event;
+
+ fw_event = alloc_fw_event_work(0);
+ if (!fw_event)
+ return;
+ fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
+ fw_event->ioc = ioc;
+ _scsih_fw_event_add(ioc, fw_event);
+ fw_event_work_put(fw_event);
+}
+
+static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
+{
+ unsigned long flags;
+ struct fw_event_work *fw_event = NULL;
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ if (!list_empty(&ioc->fw_event_list)) {
+ fw_event = list_first_entry(&ioc->fw_event_list,
+ struct fw_event_work, list);
+ list_del_init(&fw_event->list);
+ fw_event_work_put(fw_event);
+ }
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+
+ return fw_event;
+}
+
+/**
+ * _scsih_fw_event_cleanup_queue - cleanup event queue
+ * @ioc: per adapter object
+ *
+ * Walk the firmware event queue, either killing timers, or waiting
+ * for outstanding events to complete
+ */
+static void
+_scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct fw_event_work *fw_event;
+
+ if (list_empty(&ioc->fw_event_list) ||
+ !ioc->firmware_event_thread || in_interrupt())
+ return;
+
+ while ((fw_event = dequeue_next_fw_event(ioc))) {
+ /*
+ * Wait on the fw_event to complete. If this returns 1, then
+ * the event was never executed, and we need a put for the
+ * reference the work had on the fw_event.
+ *
+ * If it did execute, we wait for it to finish, and the put will
+ * happen from _firmware_event_work()
+ */
+ if (cancel_work_sync(&fw_event->work))
+ fw_event_work_put(fw_event);
+
+ }
+}
+
+/**
+ * _scsih_internal_device_block - block the sdev device
+ * @sdev: per device object
+ * @sas_device_priv_data : per device driver private data
+ *
+ * make sure device is blocked without error, if not
+ * print an error
+ */
+static void
+_scsih_internal_device_block(struct scsi_device *sdev,
+ struct MPT3SAS_DEVICE *sas_device_priv_data)
+{
+ int r = 0;
+
+ sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
+ sas_device_priv_data->sas_target->handle);
+ sas_device_priv_data->block = 1;
+
+ r = scsi_internal_device_block_nowait(sdev);
+ if (r == -EINVAL)
+ sdev_printk(KERN_WARNING, sdev,
+ "device_block failed with return(%d) for handle(0x%04x)\n",
+ r, sas_device_priv_data->sas_target->handle);
+}
+
+/**
+ * _scsih_internal_device_unblock - unblock the sdev device
+ * @sdev: per device object
+ * @sas_device_priv_data : per device driver private data
+ * make sure device is unblocked without error, if not retry
+ * by blocking and then unblocking
+ */
+
+static void
+_scsih_internal_device_unblock(struct scsi_device *sdev,
+ struct MPT3SAS_DEVICE *sas_device_priv_data)
+{
+ int r = 0;
+
+ sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
+ "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
+ sas_device_priv_data->block = 0;
+ r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING);
+ if (r == -EINVAL) {
+ /* The device has been set to SDEV_RUNNING by SD layer during
+ * device addition but the request queue is still stopped by
+ * our earlier block call. We need to perform a block again
+ * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
+
+ sdev_printk(KERN_WARNING, sdev,
+ "device_unblock failed with return(%d) for handle(0x%04x) "
+ "performing a block followed by an unblock\n",
+ r, sas_device_priv_data->sas_target->handle);
+ sas_device_priv_data->block = 1;
+ r = scsi_internal_device_block_nowait(sdev);
+ if (r)
+ sdev_printk(KERN_WARNING, sdev, "retried device_block "
+ "failed with return(%d) for handle(0x%04x)\n",
+ r, sas_device_priv_data->sas_target->handle);
+
+ sas_device_priv_data->block = 0;
+ r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING);
+ if (r)
+ sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
+ " failed with return(%d) for handle(0x%04x)\n",
+ r, sas_device_priv_data->sas_target->handle);
+ }
+}
+
+/**
+ * _scsih_ublock_io_all_device - unblock every device
+ * @ioc: per adapter object
+ *
+ * change the device state from block to running
+ */
+static void
+_scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, ioc->shost) {
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data)
+ continue;
+ if (!sas_device_priv_data->block)
+ continue;
+
+ dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
+ "device_running, handle(0x%04x)\n",
+ sas_device_priv_data->sas_target->handle));
+ _scsih_internal_device_unblock(sdev, sas_device_priv_data);
+ }
+}
+
+
+/**
+ * _scsih_ublock_io_device - prepare device to be deleted
+ * @ioc: per adapter object
+ * @sas_address: sas address
+ *
+ * unblock then put device in offline state
+ */
+static void
+_scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
+{
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, ioc->shost) {
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
+ continue;
+ if (sas_device_priv_data->sas_target->sas_address
+ != sas_address)
+ continue;
+ if (sas_device_priv_data->block)
+ _scsih_internal_device_unblock(sdev,
+ sas_device_priv_data);
+ }
+}
+
+/**
+ * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
+ * @ioc: per adapter object
+ *
+ * During device pull we need to appropriately set the sdev state.
+ */
+static void
+_scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, ioc->shost) {
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data)
+ continue;
+ if (sas_device_priv_data->block)
+ continue;
+ if (sas_device_priv_data->ignore_delay_remove) {
+ sdev_printk(KERN_INFO, sdev,
+ "%s skip device_block for SES handle(0x%04x)\n",
+ __func__, sas_device_priv_data->sas_target->handle);
+ continue;
+ }
+ _scsih_internal_device_block(sdev, sas_device_priv_data);
+ }
+}
+
+/**
+ * _scsih_block_io_device - set the device state to SDEV_BLOCK
+ * @ioc: per adapter object
+ * @handle: device handle
+ *
+ * During device pull we need to appropriately set the sdev state.
+ */
+static void
+_scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_device *sdev;
+ struct _sas_device *sas_device;
+
+ sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
+
+ shost_for_each_device(sdev, ioc->shost) {
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data)
+ continue;
+ if (sas_device_priv_data->sas_target->handle != handle)
+ continue;
+ if (sas_device_priv_data->block)
+ continue;
+ if (sas_device && sas_device->pend_sas_rphy_add)
+ continue;
+ if (sas_device_priv_data->ignore_delay_remove) {
+ sdev_printk(KERN_INFO, sdev,
+ "%s skip device_block for SES handle(0x%04x)\n",
+ __func__, sas_device_priv_data->sas_target->handle);
+ continue;
+ }
+ _scsih_internal_device_block(sdev, sas_device_priv_data);
+ }
+
+ if (sas_device)
+ sas_device_put(sas_device);
+}
+
+/**
+ * _scsih_block_io_to_children_attached_to_ex
+ * @ioc: per adapter object
+ * @sas_expander: the sas_device object
+ *
+ * This routine set sdev state to SDEV_BLOCK for all devices
+ * attached to this expander. This function called when expander is
+ * pulled.
+ */
+static void
+_scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_node *sas_expander)
+{
+ struct _sas_port *mpt3sas_port;
+ struct _sas_device *sas_device;
+ struct _sas_node *expander_sibling;
+ unsigned long flags;
+
+ if (!sas_expander)
+ return;
+
+ list_for_each_entry(mpt3sas_port,
+ &sas_expander->sas_port_list, port_list) {
+ if (mpt3sas_port->remote_identify.device_type ==
+ SAS_END_DEVICE) {
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc,
+ mpt3sas_port->remote_identify.sas_address);
+ if (sas_device) {
+ set_bit(sas_device->handle,
+ ioc->blocking_handles);
+ sas_device_put(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ }
+ }
+
+ list_for_each_entry(mpt3sas_port,
+ &sas_expander->sas_port_list, port_list) {
+
+ if (mpt3sas_port->remote_identify.device_type ==
+ SAS_EDGE_EXPANDER_DEVICE ||
+ mpt3sas_port->remote_identify.device_type ==
+ SAS_FANOUT_EXPANDER_DEVICE) {
+ expander_sibling =
+ mpt3sas_scsih_expander_find_by_sas_address(
+ ioc, mpt3sas_port->remote_identify.sas_address);
+ _scsih_block_io_to_children_attached_to_ex(ioc,
+ expander_sibling);
+ }
+ }
+}
+
+/**
+ * _scsih_block_io_to_children_attached_directly
+ * @ioc: per adapter object
+ * @event_data: topology change event data
+ *
+ * This routine set sdev state to SDEV_BLOCK for all devices
+ * direct attached during device pull.
+ */
+static void
+_scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataSasTopologyChangeList_t *event_data)
+{
+ int i;
+ u16 handle;
+ u16 reason_code;
+
+ for (i = 0; i < event_data->NumEntries; i++) {
+ handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+ reason_code = event_data->PHY[i].PhyStatus &
+ MPI2_EVENT_SAS_TOPO_RC_MASK;
+ if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
+ _scsih_block_io_device(ioc, handle);
+ }
+}
+
+/**
+ * _scsih_block_io_to_pcie_children_attached_directly
+ * @ioc: per adapter object
+ * @event_data: topology change event data
+ *
+ * This routine set sdev state to SDEV_BLOCK for all devices
+ * direct attached during device pull/reconnect.
+ */
+static void
+_scsih_block_io_to_pcie_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
+ Mpi26EventDataPCIeTopologyChangeList_t *event_data)
+{
+ int i;
+ u16 handle;
+ u16 reason_code;
+
+ for (i = 0; i < event_data->NumEntries; i++) {
+ handle =
+ le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+ reason_code = event_data->PortEntry[i].PortStatus;
+ if (reason_code ==
+ MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING)
+ _scsih_block_io_device(ioc, handle);
+ }
+}
+/**
+ * _scsih_tm_tr_send - send task management request
+ * @ioc: per adapter object
+ * @handle: device handle
+ * Context: interrupt time.
+ *
+ * This code is to initiate the device removal handshake protocol
+ * with controller firmware. This function will issue target reset
+ * using high priority request queue. It will send a sas iounit
+ * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
+ *
+ * This is designed to send muliple task management request at the same
+ * time to the fifo. If the fifo is full, we will append the request,
+ * and process it in a future completion.
+ */
+static void
+_scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ Mpi2SCSITaskManagementRequest_t *mpi_request;
+ u16 smid;
+ struct _sas_device *sas_device = NULL;
+ struct _pcie_device *pcie_device = NULL;
+ struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
+ u64 sas_address = 0;
+ unsigned long flags;
+ struct _tr_list *delayed_tr;
+ u32 ioc_state;
+ u8 tr_method = 0;
+
+ if (ioc->pci_error_recovery) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host in pci error recovery: handle(0x%04x)\n",
+ __func__, handle));
+ return;
+ }
+ ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
+ if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host is not operational: handle(0x%04x)\n",
+ __func__, handle));
+ return;
+ }
+
+ /* if PD, then return */
+ if (test_bit(handle, ioc->pd_handles))
+ return;
+
+ clear_bit(handle, ioc->pend_os_device_add);
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (sas_device && sas_device->starget &&
+ sas_device->starget->hostdata) {
+ sas_target_priv_data = sas_device->starget->hostdata;
+ sas_target_priv_data->deleted = 1;
+ sas_address = sas_device->sas_address;
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ if (!sas_device) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
+ if (pcie_device && pcie_device->starget &&
+ pcie_device->starget->hostdata) {
+ sas_target_priv_data = pcie_device->starget->hostdata;
+ sas_target_priv_data->deleted = 1;
+ sas_address = pcie_device->wwid;
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ if (pcie_device && (!ioc->tm_custom_handling) &&
+ (!(mpt3sas_scsih_is_pcie_scsi_device(
+ pcie_device->device_info))))
+ tr_method =
+ MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE;
+ else
+ tr_method = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
+ }
+ if (sas_target_priv_data) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
+ handle, (u64)sas_address));
+ if (sas_device) {
+ if (sas_device->enclosure_handle != 0)
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting delete flag:enclosure logical id(0x%016llx), slot(%d)\n",
+ (u64)sas_device->enclosure_logical_id,
+ sas_device->slot));
+ if (sas_device->connector_name[0] != '\0')
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting delete flag: enclosure level(0x%04x), connector name( %s)\n",
+ sas_device->enclosure_level,
+ sas_device->connector_name));
+ } else if (pcie_device) {
+ if (pcie_device->enclosure_handle != 0)
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting delete flag: logical id(0x%016llx), slot(%d)\n",
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot));
+ if (pcie_device->connector_name[0] != '\0')
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting delete flag:, enclosure level(0x%04x), connector name( %s)\n",
+ pcie_device->enclosure_level,
+ pcie_device->connector_name));
+ }
+ _scsih_ublock_io_device(ioc, sas_address);
+ sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
+ }
+
+ smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
+ if (!smid) {
+ delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
+ if (!delayed_tr)
+ goto out;
+ INIT_LIST_HEAD(&delayed_tr->list);
+ delayed_tr->handle = handle;
+ list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
+ dewtprintk(ioc,
+ ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n",
+ handle));
+ goto out;
+ }
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
+ handle, smid, ioc->tm_tr_cb_idx));
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
+ mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
+ mpi_request->DevHandle = cpu_to_le16(handle);
+ mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
+ mpi_request->MsgFlags = tr_method;
+ set_bit(handle, ioc->device_remove_in_progress);
+ ioc->put_smid_hi_priority(ioc, smid, 0);
+ mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL);
+
+out:
+ if (sas_device)
+ sas_device_put(sas_device);
+ if (pcie_device)
+ pcie_device_put(pcie_device);
+}
+
+/**
+ * _scsih_tm_tr_complete -
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ * Context: interrupt time.
+ *
+ * This is the target reset completion routine.
+ * This code is part of the code to initiate the device removal
+ * handshake protocol with controller firmware.
+ * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+static u8
+_scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
+ u32 reply)
+{
+ u16 handle;
+ Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
+ Mpi2SCSITaskManagementReply_t *mpi_reply =
+ mpt3sas_base_get_reply_virt_addr(ioc, reply);
+ Mpi2SasIoUnitControlRequest_t *mpi_request;
+ u16 smid_sas_ctrl;
+ u32 ioc_state;
+ struct _sc_list *delayed_sc;
+
+ if (ioc->pci_error_recovery) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host in pci error recovery\n",
+ __func__));
+ return 1;
+ }
+ ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
+ if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host is not operational\n",
+ __func__));
+ return 1;
+ }
+ if (unlikely(!mpi_reply)) {
+ ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 1;
+ }
+ mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
+ handle = le16_to_cpu(mpi_request_tm->DevHandle);
+ if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
+ dewtprintk(ioc,
+ ioc_err(ioc, "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
+ handle,
+ le16_to_cpu(mpi_reply->DevHandle), smid));
+ return 0;
+ }
+
+ mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
+ dewtprintk(ioc,
+ ioc_info(ioc, "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x), completed(%d)\n",
+ handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
+ le32_to_cpu(mpi_reply->IOCLogInfo),
+ le32_to_cpu(mpi_reply->TerminationCount)));
+
+ smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
+ if (!smid_sas_ctrl) {
+ delayed_sc = kzalloc(sizeof(*delayed_sc), GFP_ATOMIC);
+ if (!delayed_sc)
+ return _scsih_check_for_pending_tm(ioc, smid);
+ INIT_LIST_HEAD(&delayed_sc->list);
+ delayed_sc->handle = le16_to_cpu(mpi_request_tm->DevHandle);
+ list_add_tail(&delayed_sc->list, &ioc->delayed_sc_list);
+ dewtprintk(ioc,
+ ioc_info(ioc, "DELAYED:sc:handle(0x%04x), (open)\n",
+ handle));
+ return _scsih_check_for_pending_tm(ioc, smid);
+ }
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
+ handle, smid_sas_ctrl, ioc->tm_sas_control_cb_idx));
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl);
+ memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
+ mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
+ mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
+ mpi_request->DevHandle = mpi_request_tm->DevHandle;
+ ioc->put_smid_default(ioc, smid_sas_ctrl);
+
+ return _scsih_check_for_pending_tm(ioc, smid);
+}
+
+/** _scsih_allow_scmd_to_device - check whether scmd needs to
+ * issue to IOC or not.
+ * @ioc: per adapter object
+ * @scmd: pointer to scsi command object
+ *
+ * Returns true if scmd can be issued to IOC otherwise returns false.
+ */
+inline bool _scsih_allow_scmd_to_device(struct MPT3SAS_ADAPTER *ioc,
+ struct scsi_cmnd *scmd)
+{
+
+ if (ioc->pci_error_recovery)
+ return false;
+
+ if (ioc->hba_mpi_version_belonged == MPI2_VERSION) {
+ if (ioc->remove_host)
+ return false;
+
+ return true;
+ }
+
+ if (ioc->remove_host) {
+
+ switch (scmd->cmnd[0]) {
+ case SYNCHRONIZE_CACHE:
+ case START_STOP:
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ return true;
+}
+
+/**
+ * _scsih_sas_control_complete - completion routine
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ * Context: interrupt time.
+ *
+ * This is the sas iounit control completion routine.
+ * This code is part of the code to initiate the device removal
+ * handshake protocol with controller firmware.
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+static u8
+_scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
+ u8 msix_index, u32 reply)
+{
+ Mpi2SasIoUnitControlReply_t *mpi_reply =
+ mpt3sas_base_get_reply_virt_addr(ioc, reply);
+
+ if (likely(mpi_reply)) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "sc_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
+ le16_to_cpu(mpi_reply->DevHandle), smid,
+ le16_to_cpu(mpi_reply->IOCStatus),
+ le32_to_cpu(mpi_reply->IOCLogInfo)));
+ if (le16_to_cpu(mpi_reply->IOCStatus) ==
+ MPI2_IOCSTATUS_SUCCESS) {
+ clear_bit(le16_to_cpu(mpi_reply->DevHandle),
+ ioc->device_remove_in_progress);
+ }
+ } else {
+ ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ }
+ return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
+}
+
+/**
+ * _scsih_tm_tr_volume_send - send target reset request for volumes
+ * @ioc: per adapter object
+ * @handle: device handle
+ * Context: interrupt time.
+ *
+ * This is designed to send muliple task management request at the same
+ * time to the fifo. If the fifo is full, we will append the request,
+ * and process it in a future completion.
+ */
+static void
+_scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ Mpi2SCSITaskManagementRequest_t *mpi_request;
+ u16 smid;
+ struct _tr_list *delayed_tr;
+
+ if (ioc->pci_error_recovery) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host reset in progress!\n",
+ __func__));
+ return;
+ }
+
+ smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
+ if (!smid) {
+ delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
+ if (!delayed_tr)
+ return;
+ INIT_LIST_HEAD(&delayed_tr->list);
+ delayed_tr->handle = handle;
+ list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
+ dewtprintk(ioc,
+ ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n",
+ handle));
+ return;
+ }
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
+ handle, smid, ioc->tm_tr_volume_cb_idx));
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
+ mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
+ mpi_request->DevHandle = cpu_to_le16(handle);
+ mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
+ ioc->put_smid_hi_priority(ioc, smid, 0);
+}
+
+/**
+ * _scsih_tm_volume_tr_complete - target reset completion
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ * Context: interrupt time.
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+static u8
+_scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
+ u8 msix_index, u32 reply)
+{
+ u16 handle;
+ Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
+ Mpi2SCSITaskManagementReply_t *mpi_reply =
+ mpt3sas_base_get_reply_virt_addr(ioc, reply);
+
+ if (ioc->shost_recovery || ioc->pci_error_recovery) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host reset in progress!\n",
+ __func__));
+ return 1;
+ }
+ if (unlikely(!mpi_reply)) {
+ ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 1;
+ }
+
+ mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
+ handle = le16_to_cpu(mpi_request_tm->DevHandle);
+ if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
+ dewtprintk(ioc,
+ ioc_err(ioc, "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
+ handle, le16_to_cpu(mpi_reply->DevHandle),
+ smid));
+ return 0;
+ }
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), loginfo(0x%08x), completed(%d)\n",
+ handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
+ le32_to_cpu(mpi_reply->IOCLogInfo),
+ le32_to_cpu(mpi_reply->TerminationCount)));
+
+ return _scsih_check_for_pending_tm(ioc, smid);
+}
+
+/**
+ * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @event: Event ID
+ * @event_context: used to track events uniquely
+ *
+ * Context - processed in interrupt context.
+ */
+static void
+_scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, U16 event,
+ U32 event_context)
+{
+ Mpi2EventAckRequest_t *ack_request;
+ int i = smid - ioc->internal_smid;
+ unsigned long flags;
+
+ /* Without releasing the smid just update the
+ * call back index and reuse the same smid for
+ * processing this delayed request
+ */
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
+ le16_to_cpu(event), smid, ioc->base_cb_idx));
+ ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
+ ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
+ ack_request->Event = event;
+ ack_request->EventContext = event_context;
+ ack_request->VF_ID = 0; /* TODO */
+ ack_request->VP_ID = 0;
+ ioc->put_smid_default(ioc, smid);
+}
+
+/**
+ * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
+ * sas_io_unit_ctrl messages
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @handle: device handle
+ *
+ * Context - processed in interrupt context.
+ */
+static void
+_scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
+ u16 smid, u16 handle)
+{
+ Mpi2SasIoUnitControlRequest_t *mpi_request;
+ u32 ioc_state;
+ int i = smid - ioc->internal_smid;
+ unsigned long flags;
+
+ if (ioc->remove_host) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host has been removed\n",
+ __func__));
+ return;
+ } else if (ioc->pci_error_recovery) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host in pci error recovery\n",
+ __func__));
+ return;
+ }
+ ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
+ if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: host is not operational\n",
+ __func__));
+ return;
+ }
+
+ /* Without releasing the smid just update the
+ * call back index and reuse the same smid for
+ * processing this delayed request
+ */
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
+ handle, smid, ioc->tm_sas_control_cb_idx));
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
+ mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
+ mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
+ mpi_request->DevHandle = cpu_to_le16(handle);
+ ioc->put_smid_default(ioc, smid);
+}
+
+/**
+ * _scsih_check_for_pending_internal_cmds - check for pending internal messages
+ * @ioc: per adapter object
+ * @smid: system request message index
+ *
+ * Context: Executed in interrupt context
+ *
+ * This will check delayed internal messages list, and process the
+ * next request.
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+u8
+mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
+{
+ struct _sc_list *delayed_sc;
+ struct _event_ack_list *delayed_event_ack;
+
+ if (!list_empty(&ioc->delayed_event_ack_list)) {
+ delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
+ struct _event_ack_list, list);
+ _scsih_issue_delayed_event_ack(ioc, smid,
+ delayed_event_ack->Event, delayed_event_ack->EventContext);
+ list_del(&delayed_event_ack->list);
+ kfree(delayed_event_ack);
+ return 0;
+ }
+
+ if (!list_empty(&ioc->delayed_sc_list)) {
+ delayed_sc = list_entry(ioc->delayed_sc_list.next,
+ struct _sc_list, list);
+ _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
+ delayed_sc->handle);
+ list_del(&delayed_sc->list);
+ kfree(delayed_sc);
+ return 0;
+ }
+ return 1;
+}
+
+/**
+ * _scsih_check_for_pending_tm - check for pending task management
+ * @ioc: per adapter object
+ * @smid: system request message index
+ *
+ * This will check delayed target reset list, and feed the
+ * next reqeust.
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+static u8
+_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
+{
+ struct _tr_list *delayed_tr;
+
+ if (!list_empty(&ioc->delayed_tr_volume_list)) {
+ delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
+ struct _tr_list, list);
+ mpt3sas_base_free_smid(ioc, smid);
+ _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
+ list_del(&delayed_tr->list);
+ kfree(delayed_tr);
+ return 0;
+ }
+
+ if (!list_empty(&ioc->delayed_tr_list)) {
+ delayed_tr = list_entry(ioc->delayed_tr_list.next,
+ struct _tr_list, list);
+ mpt3sas_base_free_smid(ioc, smid);
+ _scsih_tm_tr_send(ioc, delayed_tr->handle);
+ list_del(&delayed_tr->list);
+ kfree(delayed_tr);
+ return 0;
+ }
+
+ return 1;
+}
+
+/**
+ * _scsih_check_topo_delete_events - sanity check on topo events
+ * @ioc: per adapter object
+ * @event_data: the event data payload
+ *
+ * This routine added to better handle cable breaker.
+ *
+ * This handles the case where driver receives multiple expander
+ * add and delete events in a single shot. When there is a delete event
+ * the routine will void any pending add events waiting in the event queue.
+ */
+static void
+_scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataSasTopologyChangeList_t *event_data)
+{
+ struct fw_event_work *fw_event;
+ Mpi2EventDataSasTopologyChangeList_t *local_event_data;
+ u16 expander_handle;
+ struct _sas_node *sas_expander;
+ unsigned long flags;
+ int i, reason_code;
+ u16 handle;
+
+ for (i = 0 ; i < event_data->NumEntries; i++) {
+ handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+ reason_code = event_data->PHY[i].PhyStatus &
+ MPI2_EVENT_SAS_TOPO_RC_MASK;
+ if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
+ _scsih_tm_tr_send(ioc, handle);
+ }
+
+ expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
+ if (expander_handle < ioc->sas_hba.num_phys) {
+ _scsih_block_io_to_children_attached_directly(ioc, event_data);
+ return;
+ }
+ if (event_data->ExpStatus ==
+ MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
+ /* put expander attached devices into blocking state */
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
+ expander_handle);
+ _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+ do {
+ handle = find_first_bit(ioc->blocking_handles,
+ ioc->facts.MaxDevHandle);
+ if (handle < ioc->facts.MaxDevHandle)
+ _scsih_block_io_device(ioc, handle);
+ } while (test_and_clear_bit(handle, ioc->blocking_handles));
+ } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
+ _scsih_block_io_to_children_attached_directly(ioc, event_data);
+
+ if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
+ return;
+
+ /* mark ignore flag for pending events */
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
+ if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
+ fw_event->ignore)
+ continue;
+ local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
+ fw_event->event_data;
+ if (local_event_data->ExpStatus ==
+ MPI2_EVENT_SAS_TOPO_ES_ADDED ||
+ local_event_data->ExpStatus ==
+ MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
+ if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
+ expander_handle) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting ignoring flag\n"));
+ fw_event->ignore = 1;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+/**
+ * _scsih_check_pcie_topo_remove_events - sanity check on topo
+ * events
+ * @ioc: per adapter object
+ * @event_data: the event data payload
+ *
+ * This handles the case where driver receives multiple switch
+ * or device add and delete events in a single shot. When there
+ * is a delete event the routine will void any pending add
+ * events waiting in the event queue.
+ */
+static void
+_scsih_check_pcie_topo_remove_events(struct MPT3SAS_ADAPTER *ioc,
+ Mpi26EventDataPCIeTopologyChangeList_t *event_data)
+{
+ struct fw_event_work *fw_event;
+ Mpi26EventDataPCIeTopologyChangeList_t *local_event_data;
+ unsigned long flags;
+ int i, reason_code;
+ u16 handle, switch_handle;
+
+ for (i = 0; i < event_data->NumEntries; i++) {
+ handle =
+ le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+ reason_code = event_data->PortEntry[i].PortStatus;
+ if (reason_code == MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING)
+ _scsih_tm_tr_send(ioc, handle);
+ }
+
+ switch_handle = le16_to_cpu(event_data->SwitchDevHandle);
+ if (!switch_handle) {
+ _scsih_block_io_to_pcie_children_attached_directly(
+ ioc, event_data);
+ return;
+ }
+ /* TODO We are not supporting cascaded PCIe Switch removal yet*/
+ if ((event_data->SwitchStatus
+ == MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING) ||
+ (event_data->SwitchStatus ==
+ MPI26_EVENT_PCIE_TOPO_SS_RESPONDING))
+ _scsih_block_io_to_pcie_children_attached_directly(
+ ioc, event_data);
+
+ if (event_data->SwitchStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
+ return;
+
+ /* mark ignore flag for pending events */
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
+ if (fw_event->event != MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
+ fw_event->ignore)
+ continue;
+ local_event_data =
+ (Mpi26EventDataPCIeTopologyChangeList_t *)
+ fw_event->event_data;
+ if (local_event_data->SwitchStatus ==
+ MPI2_EVENT_SAS_TOPO_ES_ADDED ||
+ local_event_data->SwitchStatus ==
+ MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
+ if (le16_to_cpu(local_event_data->SwitchDevHandle) ==
+ switch_handle) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting ignoring flag for switch event\n"));
+ fw_event->ignore = 1;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+}
+
+/**
+ * _scsih_set_volume_delete_flag - setting volume delete flag
+ * @ioc: per adapter object
+ * @handle: device handle
+ *
+ * This returns nothing.
+ */
+static void
+_scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _raid_device *raid_device;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
+ if (raid_device && raid_device->starget &&
+ raid_device->starget->hostdata) {
+ sas_target_priv_data =
+ raid_device->starget->hostdata;
+ sas_target_priv_data->deleted = 1;
+ dewtprintk(ioc,
+ ioc_info(ioc, "setting delete flag: handle(0x%04x), wwid(0x%016llx)\n",
+ handle, (u64)raid_device->wwid));
+ }
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+}
+
+/**
+ * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
+ * @handle: input handle
+ * @a: handle for volume a
+ * @b: handle for volume b
+ *
+ * IR firmware only supports two raid volumes. The purpose of this
+ * routine is to set the volume handle in either a or b. When the given
+ * input handle is non-zero, or when a and b have not been set before.
+ */
+static void
+_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
+{
+ if (!handle || handle == *a || handle == *b)
+ return;
+ if (!*a)
+ *a = handle;
+ else if (!*b)
+ *b = handle;
+}
+
+/**
+ * _scsih_check_ir_config_unhide_events - check for UNHIDE events
+ * @ioc: per adapter object
+ * @event_data: the event data payload
+ * Context: interrupt time.
+ *
+ * This routine will send target reset to volume, followed by target
+ * resets to the PDs. This is called when a PD has been removed, or
+ * volume has been deleted or removed. When the target reset is sent
+ * to volume, the PD target resets need to be queued to start upon
+ * completion of the volume target reset.
+ */
+static void
+_scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataIrConfigChangeList_t *event_data)
+{
+ Mpi2EventIrConfigElement_t *element;
+ int i;
+ u16 handle, volume_handle, a, b;
+ struct _tr_list *delayed_tr;
+
+ a = 0;
+ b = 0;
+
+ if (ioc->is_warpdrive)
+ return;
+
+ /* Volume Resets for Deleted or Removed */
+ element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
+ for (i = 0; i < event_data->NumElements; i++, element++) {
+ if (le32_to_cpu(event_data->Flags) &
+ MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
+ continue;
+ if (element->ReasonCode ==
+ MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
+ element->ReasonCode ==
+ MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
+ volume_handle = le16_to_cpu(element->VolDevHandle);
+ _scsih_set_volume_delete_flag(ioc, volume_handle);
+ _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
+ }
+ }
+
+ /* Volume Resets for UNHIDE events */
+ element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
+ for (i = 0; i < event_data->NumElements; i++, element++) {
+ if (le32_to_cpu(event_data->Flags) &
+ MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
+ continue;
+ if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
+ volume_handle = le16_to_cpu(element->VolDevHandle);
+ _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
+ }
+ }
+
+ if (a)
+ _scsih_tm_tr_volume_send(ioc, a);
+ if (b)
+ _scsih_tm_tr_volume_send(ioc, b);
+
+ /* PD target resets */
+ element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
+ for (i = 0; i < event_data->NumElements; i++, element++) {
+ if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
+ continue;
+ handle = le16_to_cpu(element->PhysDiskDevHandle);
+ volume_handle = le16_to_cpu(element->VolDevHandle);
+ clear_bit(handle, ioc->pd_handles);
+ if (!volume_handle)
+ _scsih_tm_tr_send(ioc, handle);
+ else if (volume_handle == a || volume_handle == b) {
+ delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
+ BUG_ON(!delayed_tr);
+ INIT_LIST_HEAD(&delayed_tr->list);
+ delayed_tr->handle = handle;
+ list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
+ dewtprintk(ioc,
+ ioc_info(ioc, "DELAYED:tr:handle(0x%04x), (open)\n",
+ handle));
+ } else
+ _scsih_tm_tr_send(ioc, handle);
+ }
+}
+
+
+/**
+ * _scsih_check_volume_delete_events - set delete flag for volumes
+ * @ioc: per adapter object
+ * @event_data: the event data payload
+ * Context: interrupt time.
+ *
+ * This will handle the case when the cable connected to entire volume is
+ * pulled. We will take care of setting the deleted flag so normal IO will
+ * not be sent.
+ */
+static void
+_scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataIrVolume_t *event_data)
+{
+ u32 state;
+
+ if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
+ return;
+ state = le32_to_cpu(event_data->NewValue);
+ if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
+ MPI2_RAID_VOL_STATE_FAILED)
+ _scsih_set_volume_delete_flag(ioc,
+ le16_to_cpu(event_data->VolDevHandle));
+}
+
+/**
+ * _scsih_temp_threshold_events - display temperature threshold exceeded events
+ * @ioc: per adapter object
+ * @event_data: the temp threshold event data
+ * Context: interrupt time.
+ */
+static void
+_scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataTemperature_t *event_data)
+{
+ if (ioc->temp_sensors_count >= event_data->SensorNum) {
+ ioc_err(ioc, "Temperature Threshold flags %s%s%s%s exceeded for Sensor: %d !!!\n",
+ le16_to_cpu(event_data->Status) & 0x1 ? "0 " : " ",
+ le16_to_cpu(event_data->Status) & 0x2 ? "1 " : " ",
+ le16_to_cpu(event_data->Status) & 0x4 ? "2 " : " ",
+ le16_to_cpu(event_data->Status) & 0x8 ? "3 " : " ",
+ event_data->SensorNum);
+ ioc_err(ioc, "Current Temp In Celsius: %d\n",
+ event_data->CurrentTemperature);
+ }
+}
+
+static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending)
+{
+ struct MPT3SAS_DEVICE *priv = scmd->device->hostdata;
+
+ if (scmd->cmnd[0] != ATA_12 && scmd->cmnd[0] != ATA_16)
+ return 0;
+
+ if (pending)
+ return test_and_set_bit(0, &priv->ata_command_pending);
+
+ clear_bit(0, &priv->ata_command_pending);
+ return 0;
+}
+
+/**
+ * _scsih_flush_running_cmds - completing outstanding commands.
+ * @ioc: per adapter object
+ *
+ * The flushing out of all pending scmd commands following host reset,
+ * where all IO is dropped to the floor.
+ */
+static void
+_scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct scsi_cmnd *scmd;
+ struct scsiio_tracker *st;
+ u16 smid;
+ int count = 0;
+
+ for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
+ scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
+ if (!scmd)
+ continue;
+ count++;
+ _scsih_set_satl_pending(scmd, false);
+ st = scsi_cmd_priv(scmd);
+ mpt3sas_base_clear_st(ioc, st);
+ scsi_dma_unmap(scmd);
+ if (ioc->pci_error_recovery || ioc->remove_host)
+ scmd->result = DID_NO_CONNECT << 16;
+ else
+ scmd->result = DID_RESET << 16;
+ scmd->scsi_done(scmd);
+ }
+ dtmprintk(ioc, ioc_info(ioc, "completing %d cmds\n", count));
+}
+
+/**
+ * _scsih_setup_eedp - setup MPI request for EEDP transfer
+ * @ioc: per adapter object
+ * @scmd: pointer to scsi command object
+ * @mpi_request: pointer to the SCSI_IO request message frame
+ *
+ * Supporting protection 1 and 3.
+ */
+static void
+_scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
+ Mpi25SCSIIORequest_t *mpi_request)
+{
+ u16 eedp_flags;
+ unsigned char prot_op = scsi_get_prot_op(scmd);
+ unsigned char prot_type = scsi_get_prot_type(scmd);
+ Mpi25SCSIIORequest_t *mpi_request_3v =
+ (Mpi25SCSIIORequest_t *)mpi_request;
+
+ if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
+ return;
+
+ if (prot_op == SCSI_PROT_READ_STRIP)
+ eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
+ else if (prot_op == SCSI_PROT_WRITE_INSERT)
+ eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
+ else
+ return;
+
+ switch (prot_type) {
+ case SCSI_PROT_DIF_TYPE1:
+ case SCSI_PROT_DIF_TYPE2:
+
+ /*
+ * enable ref/guard checking
+ * auto increment ref tag
+ */
+ eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
+ MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
+ MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
+ mpi_request->CDB.EEDP32.PrimaryReferenceTag =
+ cpu_to_be32(t10_pi_ref_tag(scmd->request));
+ break;
+
+ case SCSI_PROT_DIF_TYPE3:
+
+ /*
+ * enable guard checking
+ */
+ eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
+
+ break;
+ }
+
+ mpi_request_3v->EEDPBlockSize =
+ cpu_to_le16(scmd->device->sector_size);
+
+ if (ioc->is_gen35_ioc)
+ eedp_flags |= MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE;
+ mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
+}
+
+/**
+ * _scsih_eedp_error_handling - return sense code for EEDP errors
+ * @scmd: pointer to scsi command object
+ * @ioc_status: ioc status
+ */
+static void
+_scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
+{
+ u8 ascq;
+
+ switch (ioc_status) {
+ case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
+ ascq = 0x01;
+ break;
+ case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
+ ascq = 0x02;
+ break;
+ case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
+ ascq = 0x03;
+ break;
+ default:
+ ascq = 0x00;
+ break;
+ }
+ scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10,
+ ascq);
+ scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
+ SAM_STAT_CHECK_CONDITION;
+}
+
+/**
+ * scsih_qcmd - main scsi request entry point
+ * @shost: SCSI host pointer
+ * @scmd: pointer to scsi command object
+ *
+ * The callback index is set inside `ioc->scsi_io_cb_idx`.
+ *
+ * Return: 0 on success. If there's a failure, return either:
+ * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
+ * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
+ */
+static int
+scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
+{
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct _raid_device *raid_device;
+ struct request *rq = scmd->request;
+ int class;
+ Mpi25SCSIIORequest_t *mpi_request;
+ struct _pcie_device *pcie_device = NULL;
+ u32 mpi_control;
+ u16 smid;
+ u16 handle;
+
+ if (ioc->logging_level & MPT_DEBUG_SCSI)
+ scsi_print_command(scmd);
+
+ sas_device_priv_data = scmd->device->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+
+ if (!(_scsih_allow_scmd_to_device(ioc, scmd))) {
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+
+ sas_target_priv_data = sas_device_priv_data->sas_target;
+
+ /* invalid device handle */
+ handle = sas_target_priv_data->handle;
+ if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+
+
+ if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) {
+ /* host recovery or link resets sent via IOCTLs */
+ return SCSI_MLQUEUE_HOST_BUSY;
+ } else if (sas_target_priv_data->deleted) {
+ /* device has been deleted */
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ return 0;
+ } else if (sas_target_priv_data->tm_busy ||
+ sas_device_priv_data->block) {
+ /* device busy with task management */
+ return SCSI_MLQUEUE_DEVICE_BUSY;
+ }
+
+ /*
+ * Bug work around for firmware SATL handling. The loop
+ * is based on atomic operations and ensures consistency
+ * since we're lockless at this point
+ */
+ do {
+ if (test_bit(0, &sas_device_priv_data->ata_command_pending))
+ return SCSI_MLQUEUE_DEVICE_BUSY;
+ } while (_scsih_set_satl_pending(scmd, true));
+
+ if (scmd->sc_data_direction == DMA_FROM_DEVICE)
+ mpi_control = MPI2_SCSIIO_CONTROL_READ;
+ else if (scmd->sc_data_direction == DMA_TO_DEVICE)
+ mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
+ else
+ mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
+
+ /* set tags */
+ mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
+ /* NCQ Prio supported, make sure control indicated high priority */
+ if (sas_device_priv_data->ncq_prio_enable) {
+ class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
+ if (class == IOPRIO_CLASS_RT)
+ mpi_control |= 1 << MPI2_SCSIIO_CONTROL_CMDPRI_SHIFT;
+ }
+ /* Make sure Device is not raid volume.
+ * We do not expose raid functionality to upper layer for warpdrive.
+ */
+ if (((!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev))
+ && !scsih_is_nvme(&scmd->device->sdev_gendev))
+ && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
+ mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
+
+ smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
+ if (!smid) {
+ ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
+ _scsih_set_satl_pending(scmd, false);
+ goto out;
+ }
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ memset(mpi_request, 0, ioc->request_sz);
+ _scsih_setup_eedp(ioc, scmd, mpi_request);
+
+ if (scmd->cmd_len == 32)
+ mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
+ mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT)
+ mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
+ else
+ mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
+ mpi_request->DevHandle = cpu_to_le16(handle);
+ mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
+ mpi_request->Control = cpu_to_le32(mpi_control);
+ mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
+ mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
+ mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
+ mpi_request->SenseBufferLowAddress =
+ mpt3sas_base_get_sense_buffer_dma(ioc, smid);
+ mpi_request->SGLOffset0 = offsetof(Mpi25SCSIIORequest_t, SGL) / 4;
+ int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
+ mpi_request->LUN);
+ memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
+
+ if (mpi_request->DataLength) {
+ pcie_device = sas_target_priv_data->pcie_dev;
+ if (ioc->build_sg_scmd(ioc, scmd, smid, pcie_device)) {
+ mpt3sas_base_free_smid(ioc, smid);
+ _scsih_set_satl_pending(scmd, false);
+ goto out;
+ }
+ } else
+ ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
+
+ raid_device = sas_target_priv_data->raid_device;
+ if (raid_device && raid_device->direct_io_enabled)
+ mpt3sas_setup_direct_io(ioc, scmd,
+ raid_device, mpi_request);
+
+ if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
+ if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
+ mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
+ MPI25_SCSIIO_IOFLAGS_FAST_PATH);
+ ioc->put_smid_fast_path(ioc, smid, handle);
+ } else
+ ioc->put_smid_scsi_io(ioc, smid,
+ le16_to_cpu(mpi_request->DevHandle));
+ } else
+ ioc->put_smid_default(ioc, smid);
+ return 0;
+
+ out:
+ return SCSI_MLQUEUE_HOST_BUSY;
+}
+
+/**
+ * _scsih_normalize_sense - normalize descriptor and fixed format sense data
+ * @sense_buffer: sense data returned by target
+ * @data: normalized skey/asc/ascq
+ */
+static void
+_scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
+{
+ if ((sense_buffer[0] & 0x7F) >= 0x72) {
+ /* descriptor format */
+ data->skey = sense_buffer[1] & 0x0F;
+ data->asc = sense_buffer[2];
+ data->ascq = sense_buffer[3];
+ } else {
+ /* fixed format */
+ data->skey = sense_buffer[2] & 0x0F;
+ data->asc = sense_buffer[12];
+ data->ascq = sense_buffer[13];
+ }
+}
+
+/**
+ * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
+ * @ioc: per adapter object
+ * @scmd: pointer to scsi command object
+ * @mpi_reply: reply mf payload returned from firmware
+ * @smid: ?
+ *
+ * scsi_status - SCSI Status code returned from target device
+ * scsi_state - state info associated with SCSI_IO determined by ioc
+ * ioc_status - ioc supplied status info
+ */
+static void
+_scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
+ Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
+{
+ u32 response_info;
+ u8 *response_bytes;
+ u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ u8 scsi_state = mpi_reply->SCSIState;
+ u8 scsi_status = mpi_reply->SCSIStatus;
+ char *desc_ioc_state = NULL;
+ char *desc_scsi_status = NULL;
+ char *desc_scsi_state = ioc->tmp_string;
+ u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
+ struct _sas_device *sas_device = NULL;
+ struct _pcie_device *pcie_device = NULL;
+ struct scsi_target *starget = scmd->device->sdev_target;
+ struct MPT3SAS_TARGET *priv_target = starget->hostdata;
+ char *device_str = NULL;
+
+ if (!priv_target)
+ return;
+ if (ioc->hide_ir_msg)
+ device_str = "WarpDrive";
+ else
+ device_str = "volume";
+
+ if (log_info == 0x31170000)
+ return;
+
+ switch (ioc_status) {
+ case MPI2_IOCSTATUS_SUCCESS:
+ desc_ioc_state = "success";
+ break;
+ case MPI2_IOCSTATUS_INVALID_FUNCTION:
+ desc_ioc_state = "invalid function";
+ break;
+ case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
+ desc_ioc_state = "scsi recovered error";
+ break;
+ case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
+ desc_ioc_state = "scsi invalid dev handle";
+ break;
+ case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
+ desc_ioc_state = "scsi device not there";
+ break;
+ case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
+ desc_ioc_state = "scsi data overrun";
+ break;
+ case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
+ desc_ioc_state = "scsi data underrun";
+ break;
+ case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
+ desc_ioc_state = "scsi io data error";
+ break;
+ case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
+ desc_ioc_state = "scsi protocol error";
+ break;
+ case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
+ desc_ioc_state = "scsi task terminated";
+ break;
+ case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
+ desc_ioc_state = "scsi residual mismatch";
+ break;
+ case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
+ desc_ioc_state = "scsi task mgmt failed";
+ break;
+ case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
+ desc_ioc_state = "scsi ioc terminated";
+ break;
+ case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
+ desc_ioc_state = "scsi ext terminated";
+ break;
+ case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
+ desc_ioc_state = "eedp guard error";
+ break;
+ case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
+ desc_ioc_state = "eedp ref tag error";
+ break;
+ case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
+ desc_ioc_state = "eedp app tag error";
+ break;
+ case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
+ desc_ioc_state = "insufficient power";
+ break;
+ default:
+ desc_ioc_state = "unknown";
+ break;
+ }
+
+ switch (scsi_status) {
+ case MPI2_SCSI_STATUS_GOOD:
+ desc_scsi_status = "good";
+ break;
+ case MPI2_SCSI_STATUS_CHECK_CONDITION:
+ desc_scsi_status = "check condition";
+ break;
+ case MPI2_SCSI_STATUS_CONDITION_MET:
+ desc_scsi_status = "condition met";
+ break;
+ case MPI2_SCSI_STATUS_BUSY:
+ desc_scsi_status = "busy";
+ break;
+ case MPI2_SCSI_STATUS_INTERMEDIATE:
+ desc_scsi_status = "intermediate";
+ break;
+ case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
+ desc_scsi_status = "intermediate condmet";
+ break;
+ case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
+ desc_scsi_status = "reservation conflict";
+ break;
+ case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
+ desc_scsi_status = "command terminated";
+ break;
+ case MPI2_SCSI_STATUS_TASK_SET_FULL:
+ desc_scsi_status = "task set full";
+ break;
+ case MPI2_SCSI_STATUS_ACA_ACTIVE:
+ desc_scsi_status = "aca active";
+ break;
+ case MPI2_SCSI_STATUS_TASK_ABORTED:
+ desc_scsi_status = "task aborted";
+ break;
+ default:
+ desc_scsi_status = "unknown";
+ break;
+ }
+
+ desc_scsi_state[0] = '\0';
+ if (!scsi_state)
+ desc_scsi_state = " ";
+ if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
+ strcat(desc_scsi_state, "response info ");
+ if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
+ strcat(desc_scsi_state, "state terminated ");
+ if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
+ strcat(desc_scsi_state, "no status ");
+ if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
+ strcat(desc_scsi_state, "autosense failed ");
+ if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
+ strcat(desc_scsi_state, "autosense valid ");
+
+ scsi_print_command(scmd);
+
+ if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
+ ioc_warn(ioc, "\t%s wwid(0x%016llx)\n",
+ device_str, (u64)priv_target->sas_address);
+ } else if (priv_target->flags & MPT_TARGET_FLAGS_PCIE_DEVICE) {
+ pcie_device = mpt3sas_get_pdev_from_target(ioc, priv_target);
+ if (pcie_device) {
+ ioc_info(ioc, "\twwid(0x%016llx), port(%d)\n",
+ (u64)pcie_device->wwid, pcie_device->port_num);
+ if (pcie_device->enclosure_handle != 0)
+ ioc_info(ioc, "\tenclosure logical id(0x%016llx), slot(%d)\n",
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot);
+ if (pcie_device->connector_name[0])
+ ioc_info(ioc, "\tenclosure level(0x%04x), connector name( %s)\n",
+ pcie_device->enclosure_level,
+ pcie_device->connector_name);
+ pcie_device_put(pcie_device);
+ }
+ } else {
+ sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
+ if (sas_device) {
+ ioc_warn(ioc, "\tsas_address(0x%016llx), phy(%d)\n",
+ (u64)sas_device->sas_address, sas_device->phy);
+
+ _scsih_display_enclosure_chassis_info(ioc, sas_device,
+ NULL, NULL);
+
+ sas_device_put(sas_device);
+ }
+ }
+
+ ioc_warn(ioc, "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
+ le16_to_cpu(mpi_reply->DevHandle),
+ desc_ioc_state, ioc_status, smid);
+ ioc_warn(ioc, "\trequest_len(%d), underflow(%d), resid(%d)\n",
+ scsi_bufflen(scmd), scmd->underflow, scsi_get_resid(scmd));
+ ioc_warn(ioc, "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
+ le16_to_cpu(mpi_reply->TaskTag),
+ le32_to_cpu(mpi_reply->TransferCount), scmd->result);
+ ioc_warn(ioc, "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
+ desc_scsi_status, scsi_status, desc_scsi_state, scsi_state);
+
+ if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
+ struct sense_info data;
+ _scsih_normalize_sense(scmd->sense_buffer, &data);
+ ioc_warn(ioc, "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
+ data.skey, data.asc, data.ascq,
+ le32_to_cpu(mpi_reply->SenseCount));
+ }
+ if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
+ response_info = le32_to_cpu(mpi_reply->ResponseInfo);
+ response_bytes = (u8 *)&response_info;
+ _scsih_response_code(ioc, response_bytes[0]);
+ }
+}
+
+/**
+ * _scsih_turn_on_pfa_led - illuminate PFA LED
+ * @ioc: per adapter object
+ * @handle: device handle
+ * Context: process
+ */
+static void
+_scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ Mpi2SepReply_t mpi_reply;
+ Mpi2SepRequest_t mpi_request;
+ struct _sas_device *sas_device;
+
+ sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (!sas_device)
+ return;
+
+ memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
+ mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
+ mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
+ mpi_request.SlotStatus =
+ cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
+ mpi_request.DevHandle = cpu_to_le16(handle);
+ mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
+ if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
+ &mpi_request)) != 0) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ sas_device->pfa_led_on = 1;
+
+ if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
+ le16_to_cpu(mpi_reply.IOCStatus),
+ le32_to_cpu(mpi_reply.IOCLogInfo)));
+ goto out;
+ }
+out:
+ sas_device_put(sas_device);
+}
+
+/**
+ * _scsih_turn_off_pfa_led - turn off Fault LED
+ * @ioc: per adapter object
+ * @sas_device: sas device whose PFA LED has to turned off
+ * Context: process
+ */
+static void
+_scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device)
+{
+ Mpi2SepReply_t mpi_reply;
+ Mpi2SepRequest_t mpi_request;
+
+ memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
+ mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
+ mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
+ mpi_request.SlotStatus = 0;
+ mpi_request.Slot = cpu_to_le16(sas_device->slot);
+ mpi_request.DevHandle = 0;
+ mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
+ mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
+ if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
+ &mpi_request)) != 0) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
+ le16_to_cpu(mpi_reply.IOCStatus),
+ le32_to_cpu(mpi_reply.IOCLogInfo)));
+ return;
+ }
+}
+
+/**
+ * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
+ * @ioc: per adapter object
+ * @handle: device handle
+ * Context: interrupt.
+ */
+static void
+_scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct fw_event_work *fw_event;
+
+ fw_event = alloc_fw_event_work(0);
+ if (!fw_event)
+ return;
+ fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
+ fw_event->device_handle = handle;
+ fw_event->ioc = ioc;
+ _scsih_fw_event_add(ioc, fw_event);
+ fw_event_work_put(fw_event);
+}
+
+/**
+ * _scsih_smart_predicted_fault - process smart errors
+ * @ioc: per adapter object
+ * @handle: device handle
+ * Context: interrupt.
+ */
+static void
+_scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct scsi_target *starget;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ Mpi2EventNotificationReply_t *event_reply;
+ Mpi2EventDataSasDeviceStatusChange_t *event_data;
+ struct _sas_device *sas_device;
+ ssize_t sz;
+ unsigned long flags;
+
+ /* only handle non-raid devices */
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (!sas_device)
+ goto out_unlock;
+
+ starget = sas_device->starget;
+ sas_target_priv_data = starget->hostdata;
+
+ if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
+ ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
+ goto out_unlock;
+
+ _scsih_display_enclosure_chassis_info(NULL, sas_device, NULL, starget);
+
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
+ _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
+
+ /* insert into event log */
+ sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
+ sizeof(Mpi2EventDataSasDeviceStatusChange_t);
+ event_reply = kzalloc(sz, GFP_KERNEL);
+ if (!event_reply) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+
+ event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
+ event_reply->Event =
+ cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
+ event_reply->MsgLength = sz/4;
+ event_reply->EventDataLength =
+ cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
+ event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
+ event_reply->EventData;
+ event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
+ event_data->ASC = 0x5D;
+ event_data->DevHandle = cpu_to_le16(handle);
+ event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
+ mpt3sas_ctl_add_to_event_log(ioc, event_reply);
+ kfree(event_reply);
+out:
+ if (sas_device)
+ sas_device_put(sas_device);
+ return;
+
+out_unlock:
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ goto out;
+}
+
+/**
+ * _scsih_io_done - scsi request callback
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ *
+ * Callback handler when using _scsih_qcmd.
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+static u8
+_scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
+{
+ Mpi25SCSIIORequest_t *mpi_request;
+ Mpi2SCSIIOReply_t *mpi_reply;
+ struct scsi_cmnd *scmd;
+ struct scsiio_tracker *st;
+ u16 ioc_status;
+ u32 xfer_cnt;
+ u8 scsi_state;
+ u8 scsi_status;
+ u32 log_info;
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ u32 response_code = 0;
+
+ mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
+
+ scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
+ if (scmd == NULL)
+ return 1;
+
+ _scsih_set_satl_pending(scmd, false);
+
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+
+ if (mpi_reply == NULL) {
+ scmd->result = DID_OK << 16;
+ goto out;
+ }
+
+ sas_device_priv_data = scmd->device->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
+ sas_device_priv_data->sas_target->deleted) {
+ scmd->result = DID_NO_CONNECT << 16;
+ goto out;
+ }
+ ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
+
+ /*
+ * WARPDRIVE: If direct_io is set then it is directIO,
+ * the failed direct I/O should be redirected to volume
+ */
+ st = scsi_cmd_priv(scmd);
+ if (st->direct_io &&
+ ((ioc_status & MPI2_IOCSTATUS_MASK)
+ != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
+ st->direct_io = 0;
+ st->scmd = scmd;
+ memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
+ mpi_request->DevHandle =
+ cpu_to_le16(sas_device_priv_data->sas_target->handle);
+ ioc->put_smid_scsi_io(ioc, smid,
+ sas_device_priv_data->sas_target->handle);
+ return 0;
+ }
+ /* turning off TLR */
+ scsi_state = mpi_reply->SCSIState;
+ if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
+ response_code =
+ le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
+ if (!sas_device_priv_data->tlr_snoop_check) {
+ sas_device_priv_data->tlr_snoop_check++;
+ if ((!ioc->is_warpdrive &&
+ !scsih_is_raid(&scmd->device->sdev_gendev) &&
+ !scsih_is_nvme(&scmd->device->sdev_gendev))
+ && sas_is_tlr_enabled(scmd->device) &&
+ response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
+ sas_disable_tlr(scmd->device);
+ sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
+ }
+ }
+
+ xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
+ scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
+ if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
+ log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
+ else
+ log_info = 0;
+ ioc_status &= MPI2_IOCSTATUS_MASK;
+ scsi_status = mpi_reply->SCSIStatus;
+
+ if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
+ (scsi_status == MPI2_SCSI_STATUS_BUSY ||
+ scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
+ scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
+ ioc_status = MPI2_IOCSTATUS_SUCCESS;
+ }
+
+ if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
+ struct sense_info data;
+ const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
+ smid);
+ u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
+ le32_to_cpu(mpi_reply->SenseCount));
+ memcpy(scmd->sense_buffer, sense_data, sz);
+ _scsih_normalize_sense(scmd->sense_buffer, &data);
+ /* failure prediction threshold exceeded */
+ if (data.asc == 0x5D)
+ _scsih_smart_predicted_fault(ioc,
+ le16_to_cpu(mpi_reply->DevHandle));
+ mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
+
+ if ((ioc->logging_level & MPT_DEBUG_REPLY) &&
+ ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
+ (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
+ (scmd->sense_buffer[2] == HARDWARE_ERROR)))
+ _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
+ }
+ switch (ioc_status) {
+ case MPI2_IOCSTATUS_BUSY:
+ case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
+ scmd->result = SAM_STAT_BUSY;
+ break;
+
+ case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
+ scmd->result = DID_NO_CONNECT << 16;
+ break;
+
+ case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
+ if (sas_device_priv_data->block) {
+ scmd->result = DID_TRANSPORT_DISRUPTED << 16;
+ goto out;
+ }
+ if (log_info == 0x31110630) {
+ if (scmd->retries > 2) {
+ scmd->result = DID_NO_CONNECT << 16;
+ scsi_device_set_state(scmd->device,
+ SDEV_OFFLINE);
+ } else {
+ scmd->result = DID_SOFT_ERROR << 16;
+ scmd->device->expecting_cc_ua = 1;
+ }
+ break;
+ } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
+ scmd->result = DID_RESET << 16;
+ break;
+ } else if ((scmd->device->channel == RAID_CHANNEL) &&
+ (scsi_state == (MPI2_SCSI_STATE_TERMINATED |
+ MPI2_SCSI_STATE_NO_SCSI_STATUS))) {
+ scmd->result = DID_RESET << 16;
+ break;
+ }
+ scmd->result = DID_SOFT_ERROR << 16;
+ break;
+ case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
+ case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
+ scmd->result = DID_RESET << 16;
+ break;
+
+ case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
+ if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
+ scmd->result = DID_SOFT_ERROR << 16;
+ else
+ scmd->result = (DID_OK << 16) | scsi_status;
+ break;
+
+ case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
+ scmd->result = (DID_OK << 16) | scsi_status;
+
+ if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
+ break;
+
+ if (xfer_cnt < scmd->underflow) {
+ if (scsi_status == SAM_STAT_BUSY)
+ scmd->result = SAM_STAT_BUSY;
+ else
+ scmd->result = DID_SOFT_ERROR << 16;
+ } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
+ MPI2_SCSI_STATE_NO_SCSI_STATUS))
+ scmd->result = DID_SOFT_ERROR << 16;
+ else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
+ scmd->result = DID_RESET << 16;
+ else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
+ mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
+ mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
+ scmd->result = (DRIVER_SENSE << 24) |
+ SAM_STAT_CHECK_CONDITION;
+ scmd->sense_buffer[0] = 0x70;
+ scmd->sense_buffer[2] = ILLEGAL_REQUEST;
+ scmd->sense_buffer[12] = 0x20;
+ scmd->sense_buffer[13] = 0;
+ }
+ break;
+
+ case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
+ scsi_set_resid(scmd, 0);
+ /* fall through */
+ case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
+ case MPI2_IOCSTATUS_SUCCESS:
+ scmd->result = (DID_OK << 16) | scsi_status;
+ if (response_code ==
+ MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
+ (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
+ MPI2_SCSI_STATE_NO_SCSI_STATUS)))
+ scmd->result = DID_SOFT_ERROR << 16;
+ else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
+ scmd->result = DID_RESET << 16;
+ break;
+
+ case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
+ case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
+ case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
+ _scsih_eedp_error_handling(scmd, ioc_status);
+ break;
+
+ case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
+ case MPI2_IOCSTATUS_INVALID_FUNCTION:
+ case MPI2_IOCSTATUS_INVALID_SGL:
+ case MPI2_IOCSTATUS_INTERNAL_ERROR:
+ case MPI2_IOCSTATUS_INVALID_FIELD:
+ case MPI2_IOCSTATUS_INVALID_STATE:
+ case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
+ case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
+ case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
+ default:
+ scmd->result = DID_SOFT_ERROR << 16;
+ break;
+
+ }
+
+ if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
+ _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
+
+ out:
+
+ scsi_dma_unmap(scmd);
+ mpt3sas_base_free_smid(ioc, smid);
+ scmd->scsi_done(scmd);
+ return 0;
+}
+
+/**
+ * _scsih_sas_host_refresh - refreshing sas host object contents
+ * @ioc: per adapter object
+ * Context: user
+ *
+ * During port enable, fw will send topology events for every device. Its
+ * possible that the handles may change from the previous setting, so this
+ * code keeping handles updating if changed.
+ */
+static void
+_scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
+{
+ u16 sz;
+ u16 ioc_status;
+ int i;
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
+ u16 attached_handle;
+ u8 link_rate;
+
+ dtmprintk(ioc,
+ ioc_info(ioc, "updating handles for sas_host(0x%016llx)\n",
+ (u64)ioc->sas_hba.sas_address));
+
+ sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
+ * sizeof(Mpi2SasIOUnit0PhyData_t));
+ sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
+ if (!sas_iounit_pg0) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
+ sas_iounit_pg0, sz)) != 0)
+ goto out;
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+ goto out;
+ for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
+ link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
+ if (i == 0)
+ ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
+ PhyData[0].ControllerDevHandle);
+ ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
+ attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
+ AttachedDevHandle);
+ if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
+ link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
+ mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
+ attached_handle, i, link_rate);
+ }
+ out:
+ kfree(sas_iounit_pg0);
+}
+
+/**
+ * _scsih_sas_host_add - create sas host object
+ * @ioc: per adapter object
+ *
+ * Creating host side data object, stored in ioc->sas_hba
+ */
+static void
+_scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
+{
+ int i;
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
+ Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
+ Mpi2SasPhyPage0_t phy_pg0;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ Mpi2SasEnclosurePage0_t enclosure_pg0;
+ u16 ioc_status;
+ u16 sz;
+ u8 device_missing_delay;
+ u8 num_phys;
+
+ mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
+ if (!num_phys) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+ ioc->sas_hba.phy = kcalloc(num_phys,
+ sizeof(struct _sas_phy), GFP_KERNEL);
+ if (!ioc->sas_hba.phy) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ ioc->sas_hba.num_phys = num_phys;
+
+ /* sas_iounit page 0 */
+ sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
+ sizeof(Mpi2SasIOUnit0PhyData_t));
+ sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
+ if (!sas_iounit_pg0) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+ if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
+ sas_iounit_pg0, sz))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+
+ /* sas_iounit page 1 */
+ sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
+ sizeof(Mpi2SasIOUnit1PhyData_t));
+ sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
+ if (!sas_iounit_pg1) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
+ sas_iounit_pg1, sz))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+
+ ioc->io_missing_delay =
+ sas_iounit_pg1->IODeviceMissingDelay;
+ device_missing_delay =
+ sas_iounit_pg1->ReportDeviceMissingDelay;
+ if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
+ ioc->device_missing_delay = (device_missing_delay &
+ MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
+ else
+ ioc->device_missing_delay = device_missing_delay &
+ MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
+
+ ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
+ for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
+ if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
+ i))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+
+ if (i == 0)
+ ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
+ PhyData[0].ControllerDevHandle);
+ ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
+ ioc->sas_hba.phy[i].phy_id = i;
+ mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
+ phy_pg0, ioc->sas_hba.parent_dev);
+ }
+ if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+ MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out;
+ }
+ ioc->sas_hba.enclosure_handle =
+ le16_to_cpu(sas_device_pg0.EnclosureHandle);
+ ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
+ ioc_info(ioc, "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
+ ioc->sas_hba.handle,
+ (u64)ioc->sas_hba.sas_address,
+ ioc->sas_hba.num_phys);
+
+ if (ioc->sas_hba.enclosure_handle) {
+ if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
+ &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
+ ioc->sas_hba.enclosure_handle)))
+ ioc->sas_hba.enclosure_logical_id =
+ le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
+ }
+
+ out:
+ kfree(sas_iounit_pg1);
+ kfree(sas_iounit_pg0);
+}
+
+/**
+ * _scsih_expander_add - creating expander object
+ * @ioc: per adapter object
+ * @handle: expander handle
+ *
+ * Creating expander object, stored in ioc->sas_expander_list.
+ *
+ * Return: 0 for success, else error.
+ */
+static int
+_scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _sas_node *sas_expander;
+ struct _enclosure_node *enclosure_dev;
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2ExpanderPage0_t expander_pg0;
+ Mpi2ExpanderPage1_t expander_pg1;
+ u32 ioc_status;
+ u16 parent_handle;
+ u64 sas_address, sas_address_parent = 0;
+ int i;
+ unsigned long flags;
+ struct _sas_port *mpt3sas_port = NULL;
+
+ int rc = 0;
+
+ if (!handle)
+ return -1;
+
+ if (ioc->shost_recovery || ioc->pci_error_recovery)
+ return -1;
+
+ if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
+ MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -1;
+ }
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -1;
+ }
+
+ /* handle out of order topology events */
+ parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
+ if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
+ != 0) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -1;
+ }
+ if (sas_address_parent != ioc->sas_hba.sas_address) {
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
+ sas_address_parent);
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+ if (!sas_expander) {
+ rc = _scsih_expander_add(ioc, parent_handle);
+ if (rc != 0)
+ return rc;
+ }
+ }
+
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ sas_address = le64_to_cpu(expander_pg0.SASAddress);
+ sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
+ sas_address);
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+
+ if (sas_expander)
+ return 0;
+
+ sas_expander = kzalloc(sizeof(struct _sas_node),
+ GFP_KERNEL);
+ if (!sas_expander) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -1;
+ }
+
+ sas_expander->handle = handle;
+ sas_expander->num_phys = expander_pg0.NumPhys;
+ sas_expander->sas_address_parent = sas_address_parent;
+ sas_expander->sas_address = sas_address;
+
+ ioc_info(ioc, "expander_add: handle(0x%04x), parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
+ handle, parent_handle,
+ (u64)sas_expander->sas_address, sas_expander->num_phys);
+
+ if (!sas_expander->num_phys) {
+ rc = -1;
+ goto out_fail;
+ }
+ sas_expander->phy = kcalloc(sas_expander->num_phys,
+ sizeof(struct _sas_phy), GFP_KERNEL);
+ if (!sas_expander->phy) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ rc = -1;
+ goto out_fail;
+ }
+
+ INIT_LIST_HEAD(&sas_expander->sas_port_list);
+ mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
+ sas_address_parent);
+ if (!mpt3sas_port) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ rc = -1;
+ goto out_fail;
+ }
+ sas_expander->parent_dev = &mpt3sas_port->rphy->dev;
+
+ for (i = 0 ; i < sas_expander->num_phys ; i++) {
+ if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
+ &expander_pg1, i, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ rc = -1;
+ goto out_fail;
+ }
+ sas_expander->phy[i].handle = handle;
+ sas_expander->phy[i].phy_id = i;
+
+ if ((mpt3sas_transport_add_expander_phy(ioc,
+ &sas_expander->phy[i], expander_pg1,
+ sas_expander->parent_dev))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ rc = -1;
+ goto out_fail;
+ }
+ }
+
+ if (sas_expander->enclosure_handle) {
+ enclosure_dev =
+ mpt3sas_scsih_enclosure_find_by_handle(ioc,
+ sas_expander->enclosure_handle);
+ if (enclosure_dev)
+ sas_expander->enclosure_logical_id =
+ le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
+ }
+
+ _scsih_expander_node_add(ioc, sas_expander);
+ return 0;
+
+ out_fail:
+
+ if (mpt3sas_port)
+ mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
+ sas_address_parent);
+ kfree(sas_expander);
+ return rc;
+}
+
+/**
+ * mpt3sas_expander_remove - removing expander object
+ * @ioc: per adapter object
+ * @sas_address: expander sas_address
+ */
+void
+mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
+{
+ struct _sas_node *sas_expander;
+ unsigned long flags;
+
+ if (ioc->shost_recovery)
+ return;
+
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
+ sas_address);
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+ if (sas_expander)
+ _scsih_expander_node_remove(ioc, sas_expander);
+}
+
+/**
+ * _scsih_done - internal SCSI_IO callback handler.
+ * @ioc: per adapter object
+ * @smid: system request message index
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ *
+ * Callback handler when sending internal generated SCSI_IO.
+ * The callback index passed is `ioc->scsih_cb_idx`
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+static u8
+_scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
+{
+ MPI2DefaultReply_t *mpi_reply;
+
+ mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
+ if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
+ return 1;
+ if (ioc->scsih_cmds.smid != smid)
+ return 1;
+ ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
+ if (mpi_reply) {
+ memcpy(ioc->scsih_cmds.reply, mpi_reply,
+ mpi_reply->MsgLength*4);
+ ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
+ }
+ ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
+ complete(&ioc->scsih_cmds.done);
+ return 1;
+}
+
+
+
+
+#define MPT3_MAX_LUNS (255)
+
+
+/**
+ * _scsih_check_access_status - check access flags
+ * @ioc: per adapter object
+ * @sas_address: sas address
+ * @handle: sas device handle
+ * @access_status: errors returned during discovery of the device
+ *
+ * Return: 0 for success, else failure
+ */
+static u8
+_scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
+ u16 handle, u8 access_status)
+{
+ u8 rc = 1;
+ char *desc = NULL;
+
+ switch (access_status) {
+ case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
+ case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
+ rc = 0;
+ break;
+ case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
+ desc = "sata capability failed";
+ break;
+ case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
+ desc = "sata affiliation conflict";
+ break;
+ case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
+ desc = "route not addressable";
+ break;
+ case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
+ desc = "smp error not addressable";
+ break;
+ case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
+ desc = "device blocked";
+ break;
+ case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
+ case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
+ desc = "sata initialization failed";
+ break;
+ default:
+ desc = "unknown";
+ break;
+ }
+
+ if (!rc)
+ return 0;
+
+ ioc_err(ioc, "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
+ desc, (u64)sas_address, handle);
+ return rc;
+}
+
+/**
+ * _scsih_check_device - checking device responsiveness
+ * @ioc: per adapter object
+ * @parent_sas_address: sas address of parent expander or sas host
+ * @handle: attached device handle
+ * @phy_number: phy number
+ * @link_rate: new link rate
+ */
+static void
+_scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
+ u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
+{
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ struct _sas_device *sas_device;
+ struct _enclosure_node *enclosure_dev = NULL;
+ u32 ioc_status;
+ unsigned long flags;
+ u64 sas_address;
+ struct scsi_target *starget;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ u32 device_info;
+
+ if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+ MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
+ return;
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+ return;
+
+ /* wide port handling ~ we need only handle device once for the phy that
+ * is matched in sas device page zero
+ */
+ if (phy_number != sas_device_pg0.PhyNum)
+ return;
+
+ /* check if this is end device */
+ device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
+ if (!(_scsih_is_end_device(device_info)))
+ return;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc,
+ sas_address);
+
+ if (!sas_device)
+ goto out_unlock;
+
+ if (unlikely(sas_device->handle != handle)) {
+ starget = sas_device->starget;
+ sas_target_priv_data = starget->hostdata;
+ starget_printk(KERN_INFO, starget,
+ "handle changed from(0x%04x) to (0x%04x)!!!\n",
+ sas_device->handle, handle);
+ sas_target_priv_data->handle = handle;
+ sas_device->handle = handle;
+ if (le16_to_cpu(sas_device_pg0.Flags) &
+ MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
+ sas_device->enclosure_level =
+ sas_device_pg0.EnclosureLevel;
+ memcpy(sas_device->connector_name,
+ sas_device_pg0.ConnectorName, 4);
+ sas_device->connector_name[4] = '\0';
+ } else {
+ sas_device->enclosure_level = 0;
+ sas_device->connector_name[0] = '\0';
+ }
+
+ sas_device->enclosure_handle =
+ le16_to_cpu(sas_device_pg0.EnclosureHandle);
+ sas_device->is_chassis_slot_valid = 0;
+ enclosure_dev = mpt3sas_scsih_enclosure_find_by_handle(ioc,
+ sas_device->enclosure_handle);
+ if (enclosure_dev) {
+ sas_device->enclosure_logical_id =
+ le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
+ if (le16_to_cpu(enclosure_dev->pg0.Flags) &
+ MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) {
+ sas_device->is_chassis_slot_valid = 1;
+ sas_device->chassis_slot =
+ enclosure_dev->pg0.ChassisSlot;
+ }
+ }
+ }
+
+ /* check if device is present */
+ if (!(le16_to_cpu(sas_device_pg0.Flags) &
+ MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
+ ioc_err(ioc, "device is not present handle(0x%04x), flags!!!\n",
+ handle);
+ goto out_unlock;
+ }
+
+ /* check if there were any issues with discovery */
+ if (_scsih_check_access_status(ioc, sas_address, handle,
+ sas_device_pg0.AccessStatus))
+ goto out_unlock;
+
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ _scsih_ublock_io_device(ioc, sas_address);
+
+ if (sas_device)
+ sas_device_put(sas_device);
+ return;
+
+out_unlock:
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ if (sas_device)
+ sas_device_put(sas_device);
+}
+
+/**
+ * _scsih_add_device - creating sas device object
+ * @ioc: per adapter object
+ * @handle: sas device handle
+ * @phy_num: phy number end device attached to
+ * @is_pd: is this hidden raid component
+ *
+ * Creating end device object, stored in ioc->sas_device_list.
+ *
+ * Return: 0 for success, non-zero for failure.
+ */
+static int
+_scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
+ u8 is_pd)
+{
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ struct _sas_device *sas_device;
+ struct _enclosure_node *enclosure_dev = NULL;
+ u32 ioc_status;
+ u64 sas_address;
+ u32 device_info;
+
+ if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+ MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -1;
+ }
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return -1;
+ }
+
+ /* check if this is end device */
+ device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
+ if (!(_scsih_is_end_device(device_info)))
+ return -1;
+ set_bit(handle, ioc->pend_os_device_add);
+ sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
+
+ /* check if device is present */
+ if (!(le16_to_cpu(sas_device_pg0.Flags) &
+ MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
+ ioc_err(ioc, "device is not present handle(0x04%x)!!!\n",
+ handle);
+ return -1;
+ }
+
+ /* check if there were any issues with discovery */
+ if (_scsih_check_access_status(ioc, sas_address, handle,
+ sas_device_pg0.AccessStatus))
+ return -1;
+
+ sas_device = mpt3sas_get_sdev_by_addr(ioc,
+ sas_address);
+ if (sas_device) {
+ clear_bit(handle, ioc->pend_os_device_add);
+ sas_device_put(sas_device);
+ return -1;
+ }
+
+ if (sas_device_pg0.EnclosureHandle) {
+ enclosure_dev =
+ mpt3sas_scsih_enclosure_find_by_handle(ioc,
+ le16_to_cpu(sas_device_pg0.EnclosureHandle));
+ if (enclosure_dev == NULL)
+ ioc_info(ioc, "Enclosure handle(0x%04x) doesn't match with enclosure device!\n",
+ sas_device_pg0.EnclosureHandle);
+ }
+
+ sas_device = kzalloc(sizeof(struct _sas_device),
+ GFP_KERNEL);
+ if (!sas_device) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 0;
+ }
+
+ kref_init(&sas_device->refcount);
+ sas_device->handle = handle;
+ if (_scsih_get_sas_address(ioc,
+ le16_to_cpu(sas_device_pg0.ParentDevHandle),
+ &sas_device->sas_address_parent) != 0)
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ sas_device->enclosure_handle =
+ le16_to_cpu(sas_device_pg0.EnclosureHandle);
+ if (sas_device->enclosure_handle != 0)
+ sas_device->slot =
+ le16_to_cpu(sas_device_pg0.Slot);
+ sas_device->device_info = device_info;
+ sas_device->sas_address = sas_address;
+ sas_device->phy = sas_device_pg0.PhyNum;
+ sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
+ MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
+
+ if (le16_to_cpu(sas_device_pg0.Flags)
+ & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
+ sas_device->enclosure_level =
+ sas_device_pg0.EnclosureLevel;
+ memcpy(sas_device->connector_name,
+ sas_device_pg0.ConnectorName, 4);
+ sas_device->connector_name[4] = '\0';
+ } else {
+ sas_device->enclosure_level = 0;
+ sas_device->connector_name[0] = '\0';
+ }
+ /* get enclosure_logical_id & chassis_slot*/
+ sas_device->is_chassis_slot_valid = 0;
+ if (enclosure_dev) {
+ sas_device->enclosure_logical_id =
+ le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
+ if (le16_to_cpu(enclosure_dev->pg0.Flags) &
+ MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) {
+ sas_device->is_chassis_slot_valid = 1;
+ sas_device->chassis_slot =
+ enclosure_dev->pg0.ChassisSlot;
+ }
+ }
+
+ /* get device name */
+ sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
+
+ if (ioc->wait_for_discovery_to_complete)
+ _scsih_sas_device_init_add(ioc, sas_device);
+ else
+ _scsih_sas_device_add(ioc, sas_device);
+
+ sas_device_put(sas_device);
+ return 0;
+}
+
+/**
+ * _scsih_remove_device - removing sas device object
+ * @ioc: per adapter object
+ * @sas_device: the sas_device object
+ */
+static void
+_scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device)
+{
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+
+ if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
+ (sas_device->pfa_led_on)) {
+ _scsih_turn_off_pfa_led(ioc, sas_device);
+ sas_device->pfa_led_on = 0;
+ }
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
+ __func__,
+ sas_device->handle, (u64)sas_device->sas_address));
+
+ dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
+ NULL, NULL));
+
+ if (sas_device->starget && sas_device->starget->hostdata) {
+ sas_target_priv_data = sas_device->starget->hostdata;
+ sas_target_priv_data->deleted = 1;
+ _scsih_ublock_io_device(ioc, sas_device->sas_address);
+ sas_target_priv_data->handle =
+ MPT3SAS_INVALID_DEVICE_HANDLE;
+ }
+
+ if (!ioc->hide_drives)
+ mpt3sas_transport_port_remove(ioc,
+ sas_device->sas_address,
+ sas_device->sas_address_parent);
+
+ ioc_info(ioc, "removing handle(0x%04x), sas_addr(0x%016llx)\n",
+ sas_device->handle, (u64)sas_device->sas_address);
+
+ _scsih_display_enclosure_chassis_info(ioc, sas_device, NULL, NULL);
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
+ __func__,
+ sas_device->handle, (u64)sas_device->sas_address));
+ dewtprintk(ioc, _scsih_display_enclosure_chassis_info(ioc, sas_device,
+ NULL, NULL));
+}
+
+/**
+ * _scsih_sas_topology_change_event_debug - debug for topology event
+ * @ioc: per adapter object
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataSasTopologyChangeList_t *event_data)
+{
+ int i;
+ u16 handle;
+ u16 reason_code;
+ u8 phy_number;
+ char *status_str = NULL;
+ u8 link_rate, prev_link_rate;
+
+ switch (event_data->ExpStatus) {
+ case MPI2_EVENT_SAS_TOPO_ES_ADDED:
+ status_str = "add";
+ break;
+ case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
+ status_str = "remove";
+ break;
+ case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
+ case 0:
+ status_str = "responding";
+ break;
+ case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
+ status_str = "remove delay";
+ break;
+ default:
+ status_str = "unknown status";
+ break;
+ }
+ ioc_info(ioc, "sas topology change: (%s)\n", status_str);
+ pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
+ "start_phy(%02d), count(%d)\n",
+ le16_to_cpu(event_data->ExpanderDevHandle),
+ le16_to_cpu(event_data->EnclosureHandle),
+ event_data->StartPhyNum, event_data->NumEntries);
+ for (i = 0; i < event_data->NumEntries; i++) {
+ handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+ phy_number = event_data->StartPhyNum + i;
+ reason_code = event_data->PHY[i].PhyStatus &
+ MPI2_EVENT_SAS_TOPO_RC_MASK;
+ switch (reason_code) {
+ case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
+ status_str = "target add";
+ break;
+ case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
+ status_str = "target remove";
+ break;
+ case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
+ status_str = "delay target remove";
+ break;
+ case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
+ status_str = "link rate change";
+ break;
+ case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
+ status_str = "target responding";
+ break;
+ default:
+ status_str = "unknown";
+ break;
+ }
+ link_rate = event_data->PHY[i].LinkRate >> 4;
+ prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
+ pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
+ " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
+ handle, status_str, link_rate, prev_link_rate);
+
+ }
+}
+
+/**
+ * _scsih_sas_topology_change_event - handle topology changes
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ *
+ */
+static int
+_scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ int i;
+ u16 parent_handle, handle;
+ u16 reason_code;
+ u8 phy_number, max_phys;
+ struct _sas_node *sas_expander;
+ u64 sas_address;
+ unsigned long flags;
+ u8 link_rate, prev_link_rate;
+ Mpi2EventDataSasTopologyChangeList_t *event_data =
+ (Mpi2EventDataSasTopologyChangeList_t *)
+ fw_event->event_data;
+
+ if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+ _scsih_sas_topology_change_event_debug(ioc, event_data);
+
+ if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
+ return 0;
+
+ if (!ioc->sas_hba.num_phys)
+ _scsih_sas_host_add(ioc);
+ else
+ _scsih_sas_host_refresh(ioc);
+
+ if (fw_event->ignore) {
+ dewtprintk(ioc, ioc_info(ioc, "ignoring expander event\n"));
+ return 0;
+ }
+
+ parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
+
+ /* handle expander add */
+ if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
+ if (_scsih_expander_add(ioc, parent_handle) != 0)
+ return 0;
+
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
+ parent_handle);
+ if (sas_expander) {
+ sas_address = sas_expander->sas_address;
+ max_phys = sas_expander->num_phys;
+ } else if (parent_handle < ioc->sas_hba.num_phys) {
+ sas_address = ioc->sas_hba.sas_address;
+ max_phys = ioc->sas_hba.num_phys;
+ } else {
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+ return 0;
+ }
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+
+ /* handle siblings events */
+ for (i = 0; i < event_data->NumEntries; i++) {
+ if (fw_event->ignore) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "ignoring expander event\n"));
+ return 0;
+ }
+ if (ioc->remove_host || ioc->pci_error_recovery)
+ return 0;
+ phy_number = event_data->StartPhyNum + i;
+ if (phy_number >= max_phys)
+ continue;
+ reason_code = event_data->PHY[i].PhyStatus &
+ MPI2_EVENT_SAS_TOPO_RC_MASK;
+ if ((event_data->PHY[i].PhyStatus &
+ MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
+ MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
+ continue;
+ handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+ link_rate = event_data->PHY[i].LinkRate >> 4;
+ prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
+ switch (reason_code) {
+ case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
+
+ if (ioc->shost_recovery)
+ break;
+
+ if (link_rate == prev_link_rate)
+ break;
+
+ mpt3sas_transport_update_links(ioc, sas_address,
+ handle, phy_number, link_rate);
+
+ if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
+ break;
+
+ _scsih_check_device(ioc, sas_address, handle,
+ phy_number, link_rate);
+
+ if (!test_bit(handle, ioc->pend_os_device_add))
+ break;
+
+ /* fall through */
+
+ case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
+
+ if (ioc->shost_recovery)
+ break;
+
+ mpt3sas_transport_update_links(ioc, sas_address,
+ handle, phy_number, link_rate);
+
+ _scsih_add_device(ioc, handle, phy_number, 0);
+
+ break;
+ case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
+
+ _scsih_device_remove_by_handle(ioc, handle);
+ break;
+ }
+ }
+
+ /* handle expander removal */
+ if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
+ sas_expander)
+ mpt3sas_expander_remove(ioc, sas_address);
+
+ return 0;
+}
+
+/**
+ * _scsih_sas_device_status_change_event_debug - debug for device event
+ * @ioc: ?
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataSasDeviceStatusChange_t *event_data)
+{
+ char *reason_str = NULL;
+
+ switch (event_data->ReasonCode) {
+ case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
+ reason_str = "smart data";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
+ reason_str = "unsupported device discovered";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
+ reason_str = "internal device reset";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
+ reason_str = "internal task abort";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
+ reason_str = "internal task abort set";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
+ reason_str = "internal clear task set";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
+ reason_str = "internal query task";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
+ reason_str = "sata init failure";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
+ reason_str = "internal device reset complete";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
+ reason_str = "internal task abort complete";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
+ reason_str = "internal async notification";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
+ reason_str = "expander reduced functionality";
+ break;
+ case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
+ reason_str = "expander reduced functionality complete";
+ break;
+ default:
+ reason_str = "unknown reason";
+ break;
+ }
+ ioc_info(ioc, "device status change: (%s)\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
+ reason_str, le16_to_cpu(event_data->DevHandle),
+ (u64)le64_to_cpu(event_data->SASAddress),
+ le16_to_cpu(event_data->TaskTag));
+ if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
+ pr_cont(", ASC(0x%x), ASCQ(0x%x)\n",
+ event_data->ASC, event_data->ASCQ);
+ pr_cont("\n");
+}
+
+/**
+ * _scsih_sas_device_status_change_event - handle device status change
+ * @ioc: per adapter object
+ * @event_data: The fw event
+ * Context: user.
+ */
+static void
+_scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataSasDeviceStatusChange_t *event_data)
+{
+ struct MPT3SAS_TARGET *target_priv_data;
+ struct _sas_device *sas_device;
+ u64 sas_address;
+ unsigned long flags;
+
+ /* In MPI Revision K (0xC), the internal device reset complete was
+ * implemented, so avoid setting tm_busy flag for older firmware.
+ */
+ if ((ioc->facts.HeaderVersion >> 8) < 0xC)
+ return;
+
+ if (event_data->ReasonCode !=
+ MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
+ event_data->ReasonCode !=
+ MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
+ return;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_address = le64_to_cpu(event_data->SASAddress);
+ sas_device = __mpt3sas_get_sdev_by_addr(ioc,
+ sas_address);
+
+ if (!sas_device || !sas_device->starget)
+ goto out;
+
+ target_priv_data = sas_device->starget->hostdata;
+ if (!target_priv_data)
+ goto out;
+
+ if (event_data->ReasonCode ==
+ MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
+ target_priv_data->tm_busy = 1;
+ else
+ target_priv_data->tm_busy = 0;
+
+ if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+ ioc_info(ioc,
+ "%s tm_busy flag for handle(0x%04x)\n",
+ (target_priv_data->tm_busy == 1) ? "Enable" : "Disable",
+ target_priv_data->handle);
+
+out:
+ if (sas_device)
+ sas_device_put(sas_device);
+
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+}
+
+
+/**
+ * _scsih_check_pcie_access_status - check access flags
+ * @ioc: per adapter object
+ * @wwid: wwid
+ * @handle: sas device handle
+ * @access_status: errors returned during discovery of the device
+ *
+ * Return: 0 for success, else failure
+ */
+static u8
+_scsih_check_pcie_access_status(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
+ u16 handle, u8 access_status)
+{
+ u8 rc = 1;
+ char *desc = NULL;
+
+ switch (access_status) {
+ case MPI26_PCIEDEV0_ASTATUS_NO_ERRORS:
+ case MPI26_PCIEDEV0_ASTATUS_NEEDS_INITIALIZATION:
+ rc = 0;
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_CAPABILITY_FAILED:
+ desc = "PCIe device capability failed";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED:
+ desc = "PCIe device blocked";
+ ioc_info(ioc,
+ "Device with Access Status (%s): wwid(0x%016llx), "
+ "handle(0x%04x)\n ll only be added to the internal list",
+ desc, (u64)wwid, handle);
+ rc = 0;
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_MEMORY_SPACE_ACCESS_FAILED:
+ desc = "PCIe device mem space access failed";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_UNSUPPORTED_DEVICE:
+ desc = "PCIe device unsupported";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_MSIX_REQUIRED:
+ desc = "PCIe device MSIx Required";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_INIT_FAIL_MAX:
+ desc = "PCIe device init fail max";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_UNKNOWN:
+ desc = "PCIe device status unknown";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_READY_TIMEOUT:
+ desc = "nvme ready timeout";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_DEVCFG_UNSUPPORTED:
+ desc = "nvme device configuration unsupported";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_IDENTIFY_FAILED:
+ desc = "nvme identify failed";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_QCONFIG_FAILED:
+ desc = "nvme qconfig failed";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_QCREATION_FAILED:
+ desc = "nvme qcreation failed";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_EVENTCFG_FAILED:
+ desc = "nvme eventcfg failed";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_GET_FEATURE_STAT_FAILED:
+ desc = "nvme get feature stat failed";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_IDLE_TIMEOUT:
+ desc = "nvme idle timeout";
+ break;
+ case MPI26_PCIEDEV0_ASTATUS_NVME_FAILURE_STATUS:
+ desc = "nvme failure status";
+ break;
+ default:
+ ioc_err(ioc, "NVMe discovery error(0x%02x): wwid(0x%016llx), handle(0x%04x)\n",
+ access_status, (u64)wwid, handle);
+ return rc;
+ }
+
+ if (!rc)
+ return rc;
+
+ ioc_info(ioc, "NVMe discovery error(%s): wwid(0x%016llx), handle(0x%04x)\n",
+ desc, (u64)wwid, handle);
+ return rc;
+}
+
+/**
+ * _scsih_pcie_device_remove_from_sml - removing pcie device
+ * from SML and free up associated memory
+ * @ioc: per adapter object
+ * @pcie_device: the pcie_device object
+ */
+static void
+_scsih_pcie_device_remove_from_sml(struct MPT3SAS_ADAPTER *ioc,
+ struct _pcie_device *pcie_device)
+{
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enter: handle(0x%04x), wwid(0x%016llx)\n",
+ __func__,
+ pcie_device->handle, (u64)pcie_device->wwid));
+ if (pcie_device->enclosure_handle != 0)
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
+ __func__,
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot));
+ if (pcie_device->connector_name[0] != '\0')
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: enter: enclosure level(0x%04x), connector name(%s)\n",
+ __func__,
+ pcie_device->enclosure_level,
+ pcie_device->connector_name));
+
+ if (pcie_device->starget && pcie_device->starget->hostdata) {
+ sas_target_priv_data = pcie_device->starget->hostdata;
+ sas_target_priv_data->deleted = 1;
+ _scsih_ublock_io_device(ioc, pcie_device->wwid);
+ sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
+ }
+
+ ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
+ pcie_device->handle, (u64)pcie_device->wwid);
+ if (pcie_device->enclosure_handle != 0)
+ ioc_info(ioc, "removing : enclosure logical id(0x%016llx), slot(%d)\n",
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot);
+ if (pcie_device->connector_name[0] != '\0')
+ ioc_info(ioc, "removing: enclosure level(0x%04x), connector name( %s)\n",
+ pcie_device->enclosure_level,
+ pcie_device->connector_name);
+
+ if (pcie_device->starget && (pcie_device->access_status !=
+ MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED))
+ scsi_remove_target(&pcie_device->starget->dev);
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: exit: handle(0x%04x), wwid(0x%016llx)\n",
+ __func__,
+ pcie_device->handle, (u64)pcie_device->wwid));
+ if (pcie_device->enclosure_handle != 0)
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
+ __func__,
+ (u64)pcie_device->enclosure_logical_id,
+ pcie_device->slot));
+ if (pcie_device->connector_name[0] != '\0')
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: exit: enclosure level(0x%04x), connector name( %s)\n",
+ __func__,
+ pcie_device->enclosure_level,
+ pcie_device->connector_name));
+
+ kfree(pcie_device->serial_number);
+}
+
+
+/**
+ * _scsih_pcie_check_device - checking device responsiveness
+ * @ioc: per adapter object
+ * @handle: attached device handle
+ */
+static void
+_scsih_pcie_check_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi26PCIeDevicePage0_t pcie_device_pg0;
+ u32 ioc_status;
+ struct _pcie_device *pcie_device;
+ u64 wwid;
+ unsigned long flags;
+ struct scsi_target *starget;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ u32 device_info;
+
+ if ((mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
+ &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle)))
+ return;
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+ return;
+
+ /* check if this is end device */
+ device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo);
+ if (!(_scsih_is_nvme_pciescsi_device(device_info)))
+ return;
+
+ wwid = le64_to_cpu(pcie_device_pg0.WWID);
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid);
+
+ if (!pcie_device) {
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ return;
+ }
+
+ if (unlikely(pcie_device->handle != handle)) {
+ starget = pcie_device->starget;
+ sas_target_priv_data = starget->hostdata;
+ pcie_device->access_status = pcie_device_pg0.AccessStatus;
+ starget_printk(KERN_INFO, starget,
+ "handle changed from(0x%04x) to (0x%04x)!!!\n",
+ pcie_device->handle, handle);
+ sas_target_priv_data->handle = handle;
+ pcie_device->handle = handle;
+
+ if (le32_to_cpu(pcie_device_pg0.Flags) &
+ MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) {
+ pcie_device->enclosure_level =
+ pcie_device_pg0.EnclosureLevel;
+ memcpy(&pcie_device->connector_name[0],
+ &pcie_device_pg0.ConnectorName[0], 4);
+ } else {
+ pcie_device->enclosure_level = 0;
+ pcie_device->connector_name[0] = '\0';
+ }
+ }
+
+ /* check if device is present */
+ if (!(le32_to_cpu(pcie_device_pg0.Flags) &
+ MPI26_PCIEDEV0_FLAGS_DEVICE_PRESENT)) {
+ ioc_info(ioc, "device is not present handle(0x%04x), flags!!!\n",
+ handle);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ pcie_device_put(pcie_device);
+ return;
+ }
+
+ /* check if there were any issues with discovery */
+ if (_scsih_check_pcie_access_status(ioc, wwid, handle,
+ pcie_device_pg0.AccessStatus)) {
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ pcie_device_put(pcie_device);
+ return;
+ }
+
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ pcie_device_put(pcie_device);
+
+ _scsih_ublock_io_device(ioc, wwid);
+
+ return;
+}
+
+/**
+ * _scsih_pcie_add_device - creating pcie device object
+ * @ioc: per adapter object
+ * @handle: pcie device handle
+ *
+ * Creating end device object, stored in ioc->pcie_device_list.
+ *
+ * Return: 1 means queue the event later, 0 means complete the event
+ */
+static int
+_scsih_pcie_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ Mpi26PCIeDevicePage0_t pcie_device_pg0;
+ Mpi26PCIeDevicePage2_t pcie_device_pg2;
+ Mpi2ConfigReply_t mpi_reply;
+ struct _pcie_device *pcie_device;
+ struct _enclosure_node *enclosure_dev;
+ u32 ioc_status;
+ u64 wwid;
+
+ if ((mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
+ &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 0;
+ }
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 0;
+ }
+
+ set_bit(handle, ioc->pend_os_device_add);
+ wwid = le64_to_cpu(pcie_device_pg0.WWID);
+
+ /* check if device is present */
+ if (!(le32_to_cpu(pcie_device_pg0.Flags) &
+ MPI26_PCIEDEV0_FLAGS_DEVICE_PRESENT)) {
+ ioc_err(ioc, "device is not present handle(0x04%x)!!!\n",
+ handle);
+ return 0;
+ }
+
+ /* check if there were any issues with discovery */
+ if (_scsih_check_pcie_access_status(ioc, wwid, handle,
+ pcie_device_pg0.AccessStatus))
+ return 0;
+
+ if (!(_scsih_is_nvme_pciescsi_device(le32_to_cpu
+ (pcie_device_pg0.DeviceInfo))))
+ return 0;
+
+ pcie_device = mpt3sas_get_pdev_by_wwid(ioc, wwid);
+ if (pcie_device) {
+ clear_bit(handle, ioc->pend_os_device_add);
+ pcie_device_put(pcie_device);
+ return 0;
+ }
+
+ /* PCIe Device Page 2 contains read-only information about a
+ * specific NVMe device; therefore, this page is only
+ * valid for NVMe devices and skip for pcie devices of type scsi.
+ */
+ if (!(mpt3sas_scsih_is_pcie_scsi_device(
+ le32_to_cpu(pcie_device_pg0.DeviceInfo)))) {
+ if (mpt3sas_config_get_pcie_device_pg2(ioc, &mpi_reply,
+ &pcie_device_pg2, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
+ handle)) {
+ ioc_err(ioc,
+ "failure at %s:%d/%s()!\n", __FILE__,
+ __LINE__, __func__);
+ return 0;
+ }
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc,
+ "failure at %s:%d/%s()!\n", __FILE__,
+ __LINE__, __func__);
+ return 0;
+ }
+ }
+
+ pcie_device = kzalloc(sizeof(struct _pcie_device), GFP_KERNEL);
+ if (!pcie_device) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 0;
+ }
+
+ kref_init(&pcie_device->refcount);
+ pcie_device->id = ioc->pcie_target_id++;
+ pcie_device->channel = PCIE_CHANNEL;
+ pcie_device->handle = handle;
+ pcie_device->access_status = pcie_device_pg0.AccessStatus;
+ pcie_device->device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo);
+ pcie_device->wwid = wwid;
+ pcie_device->port_num = pcie_device_pg0.PortNum;
+ pcie_device->fast_path = (le32_to_cpu(pcie_device_pg0.Flags) &
+ MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
+
+ pcie_device->enclosure_handle =
+ le16_to_cpu(pcie_device_pg0.EnclosureHandle);
+ if (pcie_device->enclosure_handle != 0)
+ pcie_device->slot = le16_to_cpu(pcie_device_pg0.Slot);
+
+ if (le32_to_cpu(pcie_device_pg0.Flags) &
+ MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) {
+ pcie_device->enclosure_level = pcie_device_pg0.EnclosureLevel;
+ memcpy(&pcie_device->connector_name[0],
+ &pcie_device_pg0.ConnectorName[0], 4);
+ } else {
+ pcie_device->enclosure_level = 0;
+ pcie_device->connector_name[0] = '\0';
+ }
+
+ /* get enclosure_logical_id */
+ if (pcie_device->enclosure_handle) {
+ enclosure_dev =
+ mpt3sas_scsih_enclosure_find_by_handle(ioc,
+ pcie_device->enclosure_handle);
+ if (enclosure_dev)
+ pcie_device->enclosure_logical_id =
+ le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
+ }
+ /* TODO -- Add device name once FW supports it */
+ if (!(mpt3sas_scsih_is_pcie_scsi_device(
+ le32_to_cpu(pcie_device_pg0.DeviceInfo)))) {
+ pcie_device->nvme_mdts =
+ le32_to_cpu(pcie_device_pg2.MaximumDataTransferSize);
+ if (pcie_device_pg2.ControllerResetTO)
+ pcie_device->reset_timeout =
+ pcie_device_pg2.ControllerResetTO;
+ else
+ pcie_device->reset_timeout = 30;
+ } else
+ pcie_device->reset_timeout = 30;
+
+ if (ioc->wait_for_discovery_to_complete)
+ _scsih_pcie_device_init_add(ioc, pcie_device);
+ else
+ _scsih_pcie_device_add(ioc, pcie_device);
+
+ pcie_device_put(pcie_device);
+ return 0;
+}
+
+/**
+ * _scsih_pcie_topology_change_event_debug - debug for topology
+ * event
+ * @ioc: per adapter object
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_pcie_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+ Mpi26EventDataPCIeTopologyChangeList_t *event_data)
+{
+ int i;
+ u16 handle;
+ u16 reason_code;
+ u8 port_number;
+ char *status_str = NULL;
+ u8 link_rate, prev_link_rate;
+
+ switch (event_data->SwitchStatus) {
+ case MPI26_EVENT_PCIE_TOPO_SS_ADDED:
+ status_str = "add";
+ break;
+ case MPI26_EVENT_PCIE_TOPO_SS_NOT_RESPONDING:
+ status_str = "remove";
+ break;
+ case MPI26_EVENT_PCIE_TOPO_SS_RESPONDING:
+ case 0:
+ status_str = "responding";
+ break;
+ case MPI26_EVENT_PCIE_TOPO_SS_DELAY_NOT_RESPONDING:
+ status_str = "remove delay";
+ break;
+ default:
+ status_str = "unknown status";
+ break;
+ }
+ ioc_info(ioc, "pcie topology change: (%s)\n", status_str);
+ pr_info("\tswitch_handle(0x%04x), enclosure_handle(0x%04x)"
+ "start_port(%02d), count(%d)\n",
+ le16_to_cpu(event_data->SwitchDevHandle),
+ le16_to_cpu(event_data->EnclosureHandle),
+ event_data->StartPortNum, event_data->NumEntries);
+ for (i = 0; i < event_data->NumEntries; i++) {
+ handle =
+ le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+ port_number = event_data->StartPortNum + i;
+ reason_code = event_data->PortEntry[i].PortStatus;
+ switch (reason_code) {
+ case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
+ status_str = "target add";
+ break;
+ case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
+ status_str = "target remove";
+ break;
+ case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
+ status_str = "delay target remove";
+ break;
+ case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
+ status_str = "link rate change";
+ break;
+ case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
+ status_str = "target responding";
+ break;
+ default:
+ status_str = "unknown";
+ break;
+ }
+ link_rate = event_data->PortEntry[i].CurrentPortInfo &
+ MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+ prev_link_rate = event_data->PortEntry[i].PreviousPortInfo &
+ MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+ pr_info("\tport(%02d), attached_handle(0x%04x): %s:"
+ " link rate: new(0x%02x), old(0x%02x)\n", port_number,
+ handle, status_str, link_rate, prev_link_rate);
+ }
+}
+
+/**
+ * _scsih_pcie_topology_change_event - handle PCIe topology
+ * changes
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ *
+ */
+static void
+_scsih_pcie_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ int i;
+ u16 handle;
+ u16 reason_code;
+ u8 link_rate, prev_link_rate;
+ unsigned long flags;
+ int rc;
+ Mpi26EventDataPCIeTopologyChangeList_t *event_data =
+ (Mpi26EventDataPCIeTopologyChangeList_t *) fw_event->event_data;
+ struct _pcie_device *pcie_device;
+
+ if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+ _scsih_pcie_topology_change_event_debug(ioc, event_data);
+
+ if (ioc->shost_recovery || ioc->remove_host ||
+ ioc->pci_error_recovery)
+ return;
+
+ if (fw_event->ignore) {
+ dewtprintk(ioc, ioc_info(ioc, "ignoring switch event\n"));
+ return;
+ }
+
+ /* handle siblings events */
+ for (i = 0; i < event_data->NumEntries; i++) {
+ if (fw_event->ignore) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "ignoring switch event\n"));
+ return;
+ }
+ if (ioc->remove_host || ioc->pci_error_recovery)
+ return;
+ reason_code = event_data->PortEntry[i].PortStatus;
+ handle =
+ le16_to_cpu(event_data->PortEntry[i].AttachedDevHandle);
+ if (!handle)
+ continue;
+
+ link_rate = event_data->PortEntry[i].CurrentPortInfo
+ & MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+ prev_link_rate = event_data->PortEntry[i].PreviousPortInfo
+ & MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
+
+ switch (reason_code) {
+ case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
+ if (ioc->shost_recovery)
+ break;
+ if (link_rate == prev_link_rate)
+ break;
+ if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5)
+ break;
+
+ _scsih_pcie_check_device(ioc, handle);
+
+ /* This code after this point handles the test case
+ * where a device has been added, however its returning
+ * BUSY for sometime. Then before the Device Missing
+ * Delay expires and the device becomes READY, the
+ * device is removed and added back.
+ */
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = __mpt3sas_get_pdev_by_handle(ioc, handle);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ if (pcie_device) {
+ pcie_device_put(pcie_device);
+ break;
+ }
+
+ if (!test_bit(handle, ioc->pend_os_device_add))
+ break;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "handle(0x%04x) device not found: convert event to a device add\n",
+ handle));
+ event_data->PortEntry[i].PortStatus &= 0xF0;
+ event_data->PortEntry[i].PortStatus |=
+ MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED;
+ /* fall through */
+ case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
+ if (ioc->shost_recovery)
+ break;
+ if (link_rate < MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5)
+ break;
+
+ rc = _scsih_pcie_add_device(ioc, handle);
+ if (!rc) {
+ /* mark entry vacant */
+ /* TODO This needs to be reviewed and fixed,
+ * we dont have an entry
+ * to make an event void like vacant
+ */
+ event_data->PortEntry[i].PortStatus |=
+ MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE;
+ }
+ break;
+ case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
+ _scsih_pcie_device_remove_by_handle(ioc, handle);
+ break;
+ }
+ }
+}
+
+/**
+ * _scsih_pcie_device_status_change_event_debug - debug for device event
+ * @ioc: ?
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_pcie_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+ Mpi26EventDataPCIeDeviceStatusChange_t *event_data)
+{
+ char *reason_str = NULL;
+
+ switch (event_data->ReasonCode) {
+ case MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA:
+ reason_str = "smart data";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_UNSUPPORTED:
+ reason_str = "unsupported device discovered";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET:
+ reason_str = "internal device reset";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_TASK_ABORT_INTERNAL:
+ reason_str = "internal task abort";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
+ reason_str = "internal task abort set";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
+ reason_str = "internal clear task set";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_QUERY_TASK_INTERNAL:
+ reason_str = "internal query task";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_DEV_INIT_FAILURE:
+ reason_str = "device init failure";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
+ reason_str = "internal device reset complete";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
+ reason_str = "internal task abort complete";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_ASYNC_NOTIFICATION:
+ reason_str = "internal async notification";
+ break;
+ case MPI26_EVENT_PCIDEV_STAT_RC_PCIE_HOT_RESET_FAILED:
+ reason_str = "pcie hot reset failed";
+ break;
+ default:
+ reason_str = "unknown reason";
+ break;
+ }
+
+ ioc_info(ioc, "PCIE device status change: (%s)\n"
+ "\thandle(0x%04x), WWID(0x%016llx), tag(%d)",
+ reason_str, le16_to_cpu(event_data->DevHandle),
+ (u64)le64_to_cpu(event_data->WWID),
+ le16_to_cpu(event_data->TaskTag));
+ if (event_data->ReasonCode == MPI26_EVENT_PCIDEV_STAT_RC_SMART_DATA)
+ pr_cont(", ASC(0x%x), ASCQ(0x%x)\n",
+ event_data->ASC, event_data->ASCQ);
+ pr_cont("\n");
+}
+
+/**
+ * _scsih_pcie_device_status_change_event - handle device status
+ * change
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_pcie_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ struct MPT3SAS_TARGET *target_priv_data;
+ struct _pcie_device *pcie_device;
+ u64 wwid;
+ unsigned long flags;
+ Mpi26EventDataPCIeDeviceStatusChange_t *event_data =
+ (Mpi26EventDataPCIeDeviceStatusChange_t *)fw_event->event_data;
+ if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+ _scsih_pcie_device_status_change_event_debug(ioc,
+ event_data);
+
+ if (event_data->ReasonCode !=
+ MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET &&
+ event_data->ReasonCode !=
+ MPI26_EVENT_PCIDEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
+ return;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ wwid = le64_to_cpu(event_data->WWID);
+ pcie_device = __mpt3sas_get_pdev_by_wwid(ioc, wwid);
+
+ if (!pcie_device || !pcie_device->starget)
+ goto out;
+
+ target_priv_data = pcie_device->starget->hostdata;
+ if (!target_priv_data)
+ goto out;
+
+ if (event_data->ReasonCode ==
+ MPI26_EVENT_PCIDEV_STAT_RC_INTERNAL_DEVICE_RESET)
+ target_priv_data->tm_busy = 1;
+ else
+ target_priv_data->tm_busy = 0;
+out:
+ if (pcie_device)
+ pcie_device_put(pcie_device);
+
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+}
+
+/**
+ * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
+ * event
+ * @ioc: per adapter object
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataSasEnclDevStatusChange_t *event_data)
+{
+ char *reason_str = NULL;
+
+ switch (event_data->ReasonCode) {
+ case MPI2_EVENT_SAS_ENCL_RC_ADDED:
+ reason_str = "enclosure add";
+ break;
+ case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
+ reason_str = "enclosure remove";
+ break;
+ default:
+ reason_str = "unknown reason";
+ break;
+ }
+
+ ioc_info(ioc, "enclosure status change: (%s)\n"
+ "\thandle(0x%04x), enclosure logical id(0x%016llx) number slots(%d)\n",
+ reason_str,
+ le16_to_cpu(event_data->EnclosureHandle),
+ (u64)le64_to_cpu(event_data->EnclosureLogicalID),
+ le16_to_cpu(event_data->StartSlot));
+}
+
+/**
+ * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ Mpi2ConfigReply_t mpi_reply;
+ struct _enclosure_node *enclosure_dev = NULL;
+ Mpi2EventDataSasEnclDevStatusChange_t *event_data =
+ (Mpi2EventDataSasEnclDevStatusChange_t *)fw_event->event_data;
+ int rc;
+ u16 enclosure_handle = le16_to_cpu(event_data->EnclosureHandle);
+
+ if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+ _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
+ (Mpi2EventDataSasEnclDevStatusChange_t *)
+ fw_event->event_data);
+ if (ioc->shost_recovery)
+ return;
+
+ if (enclosure_handle)
+ enclosure_dev =
+ mpt3sas_scsih_enclosure_find_by_handle(ioc,
+ enclosure_handle);
+ switch (event_data->ReasonCode) {
+ case MPI2_EVENT_SAS_ENCL_RC_ADDED:
+ if (!enclosure_dev) {
+ enclosure_dev =
+ kzalloc(sizeof(struct _enclosure_node),
+ GFP_KERNEL);
+ if (!enclosure_dev) {
+ ioc_info(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+ rc = mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
+ &enclosure_dev->pg0,
+ MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
+ enclosure_handle);
+
+ if (rc || (le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK)) {
+ kfree(enclosure_dev);
+ return;
+ }
+
+ list_add_tail(&enclosure_dev->list,
+ &ioc->enclosure_list);
+ }
+ break;
+ case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
+ if (enclosure_dev) {
+ list_del(&enclosure_dev->list);
+ kfree(enclosure_dev);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * _scsih_sas_broadcast_primitive_event - handle broadcast events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ struct scsi_cmnd *scmd;
+ struct scsi_device *sdev;
+ struct scsiio_tracker *st;
+ u16 smid, handle;
+ u32 lun;
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ u32 termination_count;
+ u32 query_count;
+ Mpi2SCSITaskManagementReply_t *mpi_reply;
+ Mpi2EventDataSasBroadcastPrimitive_t *event_data =
+ (Mpi2EventDataSasBroadcastPrimitive_t *)
+ fw_event->event_data;
+ u16 ioc_status;
+ unsigned long flags;
+ int r;
+ u8 max_retries = 0;
+ u8 task_abort_retries;
+
+ mutex_lock(&ioc->tm_cmds.mutex);
+ ioc_info(ioc, "%s: enter: phy number(%d), width(%d)\n",
+ __func__, event_data->PhyNum, event_data->PortWidth);
+
+ _scsih_block_io_all_device(ioc);
+
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ mpi_reply = ioc->tm_cmds.reply;
+ broadcast_aen_retry:
+
+ /* sanity checks for retrying this loop */
+ if (max_retries++ == 5) {
+ dewtprintk(ioc, ioc_info(ioc, "%s: giving up\n", __func__));
+ goto out;
+ } else if (max_retries > 1)
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: %d retry\n",
+ __func__, max_retries - 1));
+
+ termination_count = 0;
+ query_count = 0;
+ for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
+ if (ioc->shost_recovery)
+ goto out;
+ scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
+ if (!scmd)
+ continue;
+ st = scsi_cmd_priv(scmd);
+ sdev = scmd->device;
+ sas_device_priv_data = sdev->hostdata;
+ if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
+ continue;
+ /* skip hidden raid components */
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT)
+ continue;
+ /* skip volumes */
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_VOLUME)
+ continue;
+ /* skip PCIe devices */
+ if (sas_device_priv_data->sas_target->flags &
+ MPT_TARGET_FLAGS_PCIE_DEVICE)
+ continue;
+
+ handle = sas_device_priv_data->sas_target->handle;
+ lun = sas_device_priv_data->lun;
+ query_count++;
+
+ if (ioc->shost_recovery)
+ goto out;
+
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+ r = mpt3sas_scsih_issue_tm(ioc, handle, lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, st->smid,
+ st->msix_io, 30, 0);
+ if (r == FAILED) {
+ sdev_printk(KERN_WARNING, sdev,
+ "mpt3sas_scsih_issue_tm: FAILED when sending "
+ "QUERY_TASK: scmd(%p)\n", scmd);
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ goto broadcast_aen_retry;
+ }
+ ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
+ & MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ sdev_printk(KERN_WARNING, sdev,
+ "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
+ ioc_status, scmd);
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ goto broadcast_aen_retry;
+ }
+
+ /* see if IO is still owned by IOC and target */
+ if (mpi_reply->ResponseCode ==
+ MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
+ mpi_reply->ResponseCode ==
+ MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ continue;
+ }
+ task_abort_retries = 0;
+ tm_retry:
+ if (task_abort_retries++ == 60) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: ABORT_TASK: giving up\n",
+ __func__));
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ goto broadcast_aen_retry;
+ }
+
+ if (ioc->shost_recovery)
+ goto out_no_lock;
+
+ r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->lun,
+ MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, st->smid,
+ st->msix_io, 30, 0);
+ if (r == FAILED || st->cb_idx != 0xFF) {
+ sdev_printk(KERN_WARNING, sdev,
+ "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
+ "scmd(%p)\n", scmd);
+ goto tm_retry;
+ }
+
+ if (task_abort_retries > 1)
+ sdev_printk(KERN_WARNING, sdev,
+ "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
+ " scmd(%p)\n",
+ task_abort_retries - 1, scmd);
+
+ termination_count += le32_to_cpu(mpi_reply->TerminationCount);
+ spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
+ }
+
+ if (ioc->broadcast_aen_pending) {
+ dewtprintk(ioc,
+ ioc_info(ioc,
+ "%s: loop back due to pending AEN\n",
+ __func__));
+ ioc->broadcast_aen_pending = 0;
+ goto broadcast_aen_retry;
+ }
+
+ out:
+ spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
+ out_no_lock:
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s - exit, query_count = %d termination_count = %d\n",
+ __func__, query_count, termination_count));
+
+ ioc->broadcast_aen_busy = 0;
+ if (!ioc->shost_recovery)
+ _scsih_ublock_io_all_device(ioc);
+ mutex_unlock(&ioc->tm_cmds.mutex);
+}
+
+/**
+ * _scsih_sas_discovery_event - handle discovery events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ Mpi2EventDataSasDiscovery_t *event_data =
+ (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
+
+ if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
+ ioc_info(ioc, "discovery event: (%s)",
+ event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED ?
+ "start" : "stop");
+ if (event_data->DiscoveryStatus)
+ pr_cont("discovery_status(0x%08x)",
+ le32_to_cpu(event_data->DiscoveryStatus));
+ pr_cont("\n");
+ }
+
+ if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
+ !ioc->sas_hba.num_phys) {
+ if (disable_discovery > 0 && ioc->shost_recovery) {
+ /* Wait for the reset to complete */
+ while (ioc->shost_recovery)
+ ssleep(1);
+ }
+ _scsih_sas_host_add(ioc);
+ }
+}
+
+/**
+ * _scsih_sas_device_discovery_error_event - display SAS device discovery error
+ * events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_device_discovery_error_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ Mpi25EventDataSasDeviceDiscoveryError_t *event_data =
+ (Mpi25EventDataSasDeviceDiscoveryError_t *)fw_event->event_data;
+
+ switch (event_data->ReasonCode) {
+ case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
+ ioc_warn(ioc, "SMP command sent to the expander (handle:0x%04x, sas_address:0x%016llx, physical_port:0x%02x) has failed\n",
+ le16_to_cpu(event_data->DevHandle),
+ (u64)le64_to_cpu(event_data->SASAddress),
+ event_data->PhysicalPort);
+ break;
+ case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
+ ioc_warn(ioc, "SMP command sent to the expander (handle:0x%04x, sas_address:0x%016llx, physical_port:0x%02x) has timed out\n",
+ le16_to_cpu(event_data->DevHandle),
+ (u64)le64_to_cpu(event_data->SASAddress),
+ event_data->PhysicalPort);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * _scsih_pcie_enumeration_event - handle enumeration events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_pcie_enumeration_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ Mpi26EventDataPCIeEnumeration_t *event_data =
+ (Mpi26EventDataPCIeEnumeration_t *)fw_event->event_data;
+
+ if (!(ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK))
+ return;
+
+ ioc_info(ioc, "pcie enumeration event: (%s) Flag 0x%02x",
+ (event_data->ReasonCode == MPI26_EVENT_PCIE_ENUM_RC_STARTED) ?
+ "started" : "completed",
+ event_data->Flags);
+ if (event_data->EnumerationStatus)
+ pr_cont("enumeration_status(0x%08x)",
+ le32_to_cpu(event_data->EnumerationStatus));
+ pr_cont("\n");
+}
+
+/**
+ * _scsih_ir_fastpath - turn on fastpath for IR physdisk
+ * @ioc: per adapter object
+ * @handle: device handle for physical disk
+ * @phys_disk_num: physical disk number
+ *
+ * Return: 0 for success, else failure.
+ */
+static int
+_scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
+{
+ Mpi2RaidActionRequest_t *mpi_request;
+ Mpi2RaidActionReply_t *mpi_reply;
+ u16 smid;
+ u8 issue_reset = 0;
+ int rc = 0;
+ u16 ioc_status;
+ u32 log_info;
+
+ if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
+ return rc;
+
+ mutex_lock(&ioc->scsih_cmds.mutex);
+
+ if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
+ ioc_err(ioc, "%s: scsih_cmd in use\n", __func__);
+ rc = -EAGAIN;
+ goto out;
+ }
+ ioc->scsih_cmds.status = MPT3_CMD_PENDING;
+
+ smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
+ if (!smid) {
+ ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
+ ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
+ rc = -EAGAIN;
+ goto out;
+ }
+
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ ioc->scsih_cmds.smid = smid;
+ memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
+
+ mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
+ mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
+ mpi_request->PhysDiskNum = phys_disk_num;
+
+ dewtprintk(ioc,
+ ioc_info(ioc, "IR RAID_ACTION: turning fast path on for handle(0x%04x), phys_disk_num (0x%02x)\n",
+ handle, phys_disk_num));
+
+ init_completion(&ioc->scsih_cmds.done);
+ ioc->put_smid_default(ioc, smid);
+ wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
+
+ if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
+ issue_reset =
+ mpt3sas_base_check_cmd_timeout(ioc,
+ ioc->scsih_cmds.status, mpi_request,
+ sizeof(Mpi2RaidActionRequest_t)/4);
+ rc = -EFAULT;
+ goto out;
+ }
+
+ if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
+
+ mpi_reply = ioc->scsih_cmds.reply;
+ ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
+ if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
+ log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
+ else
+ log_info = 0;
+ ioc_status &= MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ dewtprintk(ioc,
+ ioc_info(ioc, "IR RAID_ACTION: failed: ioc_status(0x%04x), loginfo(0x%08x)!!!\n",
+ ioc_status, log_info));
+ rc = -EFAULT;
+ } else
+ dewtprintk(ioc,
+ ioc_info(ioc, "IR RAID_ACTION: completed successfully\n"));
+ }
+
+ out:
+ ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
+ mutex_unlock(&ioc->scsih_cmds.mutex);
+
+ if (issue_reset)
+ mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+ return rc;
+}
+
+/**
+ * _scsih_reprobe_lun - reprobing lun
+ * @sdev: scsi device struct
+ * @no_uld_attach: sdev->no_uld_attach flag setting
+ *
+ **/
+static void
+_scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
+{
+ sdev->no_uld_attach = no_uld_attach ? 1 : 0;
+ sdev_printk(KERN_INFO, sdev, "%s raid component\n",
+ sdev->no_uld_attach ? "hiding" : "exposing");
+ WARN_ON(scsi_device_reprobe(sdev));
+}
+
+/**
+ * _scsih_sas_volume_add - add new volume
+ * @ioc: per adapter object
+ * @element: IR config element data
+ * Context: user.
+ */
+static void
+_scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventIrConfigElement_t *element)
+{
+ struct _raid_device *raid_device;
+ unsigned long flags;
+ u64 wwid;
+ u16 handle = le16_to_cpu(element->VolDevHandle);
+ int rc;
+
+ mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
+ if (!wwid) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+
+ if (raid_device)
+ return;
+
+ raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
+ if (!raid_device) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ raid_device->id = ioc->sas_id++;
+ raid_device->channel = RAID_CHANNEL;
+ raid_device->handle = handle;
+ raid_device->wwid = wwid;
+ _scsih_raid_device_add(ioc, raid_device);
+ if (!ioc->wait_for_discovery_to_complete) {
+ rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
+ raid_device->id, 0);
+ if (rc)
+ _scsih_raid_device_remove(ioc, raid_device);
+ } else {
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ _scsih_determine_boot_device(ioc, raid_device, 1);
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ }
+}
+
+/**
+ * _scsih_sas_volume_delete - delete volume
+ * @ioc: per adapter object
+ * @handle: volume device handle
+ * Context: user.
+ */
+static void
+_scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
+{
+ struct _raid_device *raid_device;
+ unsigned long flags;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct scsi_target *starget = NULL;
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
+ if (raid_device) {
+ if (raid_device->starget) {
+ starget = raid_device->starget;
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->deleted = 1;
+ }
+ ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
+ raid_device->handle, (u64)raid_device->wwid);
+ list_del(&raid_device->list);
+ kfree(raid_device);
+ }
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ if (starget)
+ scsi_remove_target(&starget->dev);
+}
+
+/**
+ * _scsih_sas_pd_expose - expose pd component to /dev/sdX
+ * @ioc: per adapter object
+ * @element: IR config element data
+ * Context: user.
+ */
+static void
+_scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventIrConfigElement_t *element)
+{
+ struct _sas_device *sas_device;
+ struct scsi_target *starget = NULL;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ unsigned long flags;
+ u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (sas_device) {
+ sas_device->volume_handle = 0;
+ sas_device->volume_wwid = 0;
+ clear_bit(handle, ioc->pd_handles);
+ if (sas_device->starget && sas_device->starget->hostdata) {
+ starget = sas_device->starget;
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->flags &=
+ ~MPT_TARGET_FLAGS_RAID_COMPONENT;
+ }
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ if (!sas_device)
+ return;
+
+ /* exposing raid component */
+ if (starget)
+ starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
+
+ sas_device_put(sas_device);
+}
+
+/**
+ * _scsih_sas_pd_hide - hide pd component from /dev/sdX
+ * @ioc: per adapter object
+ * @element: IR config element data
+ * Context: user.
+ */
+static void
+_scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventIrConfigElement_t *element)
+{
+ struct _sas_device *sas_device;
+ struct scsi_target *starget = NULL;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ unsigned long flags;
+ u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
+ u16 volume_handle = 0;
+ u64 volume_wwid = 0;
+
+ mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
+ if (volume_handle)
+ mpt3sas_config_get_volume_wwid(ioc, volume_handle,
+ &volume_wwid);
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (sas_device) {
+ set_bit(handle, ioc->pd_handles);
+ if (sas_device->starget && sas_device->starget->hostdata) {
+ starget = sas_device->starget;
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->flags |=
+ MPT_TARGET_FLAGS_RAID_COMPONENT;
+ sas_device->volume_handle = volume_handle;
+ sas_device->volume_wwid = volume_wwid;
+ }
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+ if (!sas_device)
+ return;
+
+ /* hiding raid component */
+ _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
+
+ if (starget)
+ starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
+
+ sas_device_put(sas_device);
+}
+
+/**
+ * _scsih_sas_pd_delete - delete pd component
+ * @ioc: per adapter object
+ * @element: IR config element data
+ * Context: user.
+ */
+static void
+_scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventIrConfigElement_t *element)
+{
+ u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
+
+ _scsih_device_remove_by_handle(ioc, handle);
+}
+
+/**
+ * _scsih_sas_pd_add - remove pd component
+ * @ioc: per adapter object
+ * @element: IR config element data
+ * Context: user.
+ */
+static void
+_scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventIrConfigElement_t *element)
+{
+ struct _sas_device *sas_device;
+ u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ u32 ioc_status;
+ u64 sas_address;
+ u16 parent_handle;
+
+ set_bit(handle, ioc->pd_handles);
+
+ sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (sas_device) {
+ _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
+ sas_device_put(sas_device);
+ return;
+ }
+
+ if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
+ MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
+ if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
+ mpt3sas_transport_update_links(ioc, sas_address, handle,
+ sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
+
+ _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
+ _scsih_add_device(ioc, handle, 0, 1);
+}
+
+/**
+ * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
+ * @ioc: per adapter object
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataIrConfigChangeList_t *event_data)
+{
+ Mpi2EventIrConfigElement_t *element;
+ u8 element_type;
+ int i;
+ char *reason_str = NULL, *element_str = NULL;
+
+ element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
+
+ ioc_info(ioc, "raid config change: (%s), elements(%d)\n",
+ le32_to_cpu(event_data->Flags) & MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG ?
+ "foreign" : "native",
+ event_data->NumElements);
+ for (i = 0; i < event_data->NumElements; i++, element++) {
+ switch (element->ReasonCode) {
+ case MPI2_EVENT_IR_CHANGE_RC_ADDED:
+ reason_str = "add";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
+ reason_str = "remove";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
+ reason_str = "no change";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_HIDE:
+ reason_str = "hide";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
+ reason_str = "unhide";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
+ reason_str = "volume_created";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
+ reason_str = "volume_deleted";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
+ reason_str = "pd_created";
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
+ reason_str = "pd_deleted";
+ break;
+ default:
+ reason_str = "unknown reason";
+ break;
+ }
+ element_type = le16_to_cpu(element->ElementFlags) &
+ MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
+ switch (element_type) {
+ case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
+ element_str = "volume";
+ break;
+ case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
+ element_str = "phys disk";
+ break;
+ case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
+ element_str = "hot spare";
+ break;
+ default:
+ element_str = "unknown element";
+ break;
+ }
+ pr_info("\t(%s:%s), vol handle(0x%04x), " \
+ "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
+ reason_str, le16_to_cpu(element->VolDevHandle),
+ le16_to_cpu(element->PhysDiskDevHandle),
+ element->PhysDiskNum);
+ }
+}
+
+/**
+ * _scsih_sas_ir_config_change_event - handle ir configuration change events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ Mpi2EventIrConfigElement_t *element;
+ int i;
+ u8 foreign_config;
+ Mpi2EventDataIrConfigChangeList_t *event_data =
+ (Mpi2EventDataIrConfigChangeList_t *)
+ fw_event->event_data;
+
+ if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
+ (!ioc->hide_ir_msg))
+ _scsih_sas_ir_config_change_event_debug(ioc, event_data);
+
+ foreign_config = (le32_to_cpu(event_data->Flags) &
+ MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
+
+ element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
+ if (ioc->shost_recovery &&
+ ioc->hba_mpi_version_belonged != MPI2_VERSION) {
+ for (i = 0; i < event_data->NumElements; i++, element++) {
+ if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
+ _scsih_ir_fastpath(ioc,
+ le16_to_cpu(element->PhysDiskDevHandle),
+ element->PhysDiskNum);
+ }
+ return;
+ }
+
+ for (i = 0; i < event_data->NumElements; i++, element++) {
+
+ switch (element->ReasonCode) {
+ case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
+ case MPI2_EVENT_IR_CHANGE_RC_ADDED:
+ if (!foreign_config)
+ _scsih_sas_volume_add(ioc, element);
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
+ case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
+ if (!foreign_config)
+ _scsih_sas_volume_delete(ioc,
+ le16_to_cpu(element->VolDevHandle));
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
+ if (!ioc->is_warpdrive)
+ _scsih_sas_pd_hide(ioc, element);
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
+ if (!ioc->is_warpdrive)
+ _scsih_sas_pd_expose(ioc, element);
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_HIDE:
+ if (!ioc->is_warpdrive)
+ _scsih_sas_pd_add(ioc, element);
+ break;
+ case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
+ if (!ioc->is_warpdrive)
+ _scsih_sas_pd_delete(ioc, element);
+ break;
+ }
+ }
+}
+
+/**
+ * _scsih_sas_ir_volume_event - IR volume event
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ u64 wwid;
+ unsigned long flags;
+ struct _raid_device *raid_device;
+ u16 handle;
+ u32 state;
+ int rc;
+ Mpi2EventDataIrVolume_t *event_data =
+ (Mpi2EventDataIrVolume_t *) fw_event->event_data;
+
+ if (ioc->shost_recovery)
+ return;
+
+ if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
+ return;
+
+ handle = le16_to_cpu(event_data->VolDevHandle);
+ state = le32_to_cpu(event_data->NewValue);
+ if (!ioc->hide_ir_msg)
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
+ __func__, handle,
+ le32_to_cpu(event_data->PreviousValue),
+ state));
+ switch (state) {
+ case MPI2_RAID_VOL_STATE_MISSING:
+ case MPI2_RAID_VOL_STATE_FAILED:
+ _scsih_sas_volume_delete(ioc, handle);
+ break;
+
+ case MPI2_RAID_VOL_STATE_ONLINE:
+ case MPI2_RAID_VOL_STATE_DEGRADED:
+ case MPI2_RAID_VOL_STATE_OPTIMAL:
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+
+ if (raid_device)
+ break;
+
+ mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
+ if (!wwid) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ break;
+ }
+
+ raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
+ if (!raid_device) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ break;
+ }
+
+ raid_device->id = ioc->sas_id++;
+ raid_device->channel = RAID_CHANNEL;
+ raid_device->handle = handle;
+ raid_device->wwid = wwid;
+ _scsih_raid_device_add(ioc, raid_device);
+ rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
+ raid_device->id, 0);
+ if (rc)
+ _scsih_raid_device_remove(ioc, raid_device);
+ break;
+
+ case MPI2_RAID_VOL_STATE_INITIALIZING:
+ default:
+ break;
+ }
+}
+
+/**
+ * _scsih_sas_ir_physical_disk_event - PD event
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ u16 handle, parent_handle;
+ u32 state;
+ struct _sas_device *sas_device;
+ Mpi2ConfigReply_t mpi_reply;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ u32 ioc_status;
+ Mpi2EventDataIrPhysicalDisk_t *event_data =
+ (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
+ u64 sas_address;
+
+ if (ioc->shost_recovery)
+ return;
+
+ if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
+ return;
+
+ handle = le16_to_cpu(event_data->PhysDiskDevHandle);
+ state = le32_to_cpu(event_data->NewValue);
+
+ if (!ioc->hide_ir_msg)
+ dewtprintk(ioc,
+ ioc_info(ioc, "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
+ __func__, handle,
+ le32_to_cpu(event_data->PreviousValue),
+ state));
+
+ switch (state) {
+ case MPI2_RAID_PD_STATE_ONLINE:
+ case MPI2_RAID_PD_STATE_DEGRADED:
+ case MPI2_RAID_PD_STATE_REBUILDING:
+ case MPI2_RAID_PD_STATE_OPTIMAL:
+ case MPI2_RAID_PD_STATE_HOT_SPARE:
+
+ if (!ioc->is_warpdrive)
+ set_bit(handle, ioc->pd_handles);
+
+ sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (sas_device) {
+ sas_device_put(sas_device);
+ return;
+ }
+
+ if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
+ &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
+ handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
+ if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
+ mpt3sas_transport_update_links(ioc, sas_address, handle,
+ sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
+
+ _scsih_add_device(ioc, handle, 0, 1);
+
+ break;
+
+ case MPI2_RAID_PD_STATE_OFFLINE:
+ case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
+ case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
+ default:
+ break;
+ }
+}
+
+/**
+ * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
+ * @ioc: per adapter object
+ * @event_data: event data payload
+ * Context: user.
+ */
+static void
+_scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2EventDataIrOperationStatus_t *event_data)
+{
+ char *reason_str = NULL;
+
+ switch (event_data->RAIDOperation) {
+ case MPI2_EVENT_IR_RAIDOP_RESYNC:
+ reason_str = "resync";
+ break;
+ case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
+ reason_str = "online capacity expansion";
+ break;
+ case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
+ reason_str = "consistency check";
+ break;
+ case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
+ reason_str = "background init";
+ break;
+ case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
+ reason_str = "make data consistent";
+ break;
+ }
+
+ if (!reason_str)
+ return;
+
+ ioc_info(ioc, "raid operational status: (%s)\thandle(0x%04x), percent complete(%d)\n",
+ reason_str,
+ le16_to_cpu(event_data->VolDevHandle),
+ event_data->PercentComplete);
+}
+
+/**
+ * _scsih_sas_ir_operation_status_event - handle RAID operation events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
+ struct fw_event_work *fw_event)
+{
+ Mpi2EventDataIrOperationStatus_t *event_data =
+ (Mpi2EventDataIrOperationStatus_t *)
+ fw_event->event_data;
+ static struct _raid_device *raid_device;
+ unsigned long flags;
+ u16 handle;
+
+ if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
+ (!ioc->hide_ir_msg))
+ _scsih_sas_ir_operation_status_event_debug(ioc,
+ event_data);
+
+ /* code added for raid transport support */
+ if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ handle = le16_to_cpu(event_data->VolDevHandle);
+ raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
+ if (raid_device)
+ raid_device->percent_complete =
+ event_data->PercentComplete;
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ }
+}
+
+/**
+ * _scsih_prep_device_scan - initialize parameters prior to device scan
+ * @ioc: per adapter object
+ *
+ * Set the deleted flag prior to device scan. If the device is found during
+ * the scan, then we clear the deleted flag.
+ */
+static void
+_scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct MPT3SAS_DEVICE *sas_device_priv_data;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, ioc->shost) {
+ sas_device_priv_data = sdev->hostdata;
+ if (sas_device_priv_data && sas_device_priv_data->sas_target)
+ sas_device_priv_data->sas_target->deleted = 1;
+ }
+}
+
+/**
+ * _scsih_mark_responding_sas_device - mark a sas_devices as responding
+ * @ioc: per adapter object
+ * @sas_device_pg0: SAS Device page 0
+ *
+ * After host reset, find out whether devices are still responding.
+ * Used in _scsih_remove_unresponsive_sas_devices.
+ */
+static void
+_scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
+Mpi2SasDevicePage0_t *sas_device_pg0)
+{
+ struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
+ struct scsi_target *starget;
+ struct _sas_device *sas_device = NULL;
+ struct _enclosure_node *enclosure_dev = NULL;
+ unsigned long flags;
+
+ if (sas_device_pg0->EnclosureHandle) {
+ enclosure_dev =
+ mpt3sas_scsih_enclosure_find_by_handle(ioc,
+ le16_to_cpu(sas_device_pg0->EnclosureHandle));
+ if (enclosure_dev == NULL)
+ ioc_info(ioc, "Enclosure handle(0x%04x) doesn't match with enclosure device!\n",
+ sas_device_pg0->EnclosureHandle);
+ }
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
+ if ((sas_device->sas_address == le64_to_cpu(
+ sas_device_pg0->SASAddress)) && (sas_device->slot ==
+ le16_to_cpu(sas_device_pg0->Slot))) {
+ sas_device->responding = 1;
+ starget = sas_device->starget;
+ if (starget && starget->hostdata) {
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->tm_busy = 0;
+ sas_target_priv_data->deleted = 0;
+ } else
+ sas_target_priv_data = NULL;
+ if (starget) {
+ starget_printk(KERN_INFO, starget,
+ "handle(0x%04x), sas_addr(0x%016llx)\n",
+ le16_to_cpu(sas_device_pg0->DevHandle),
+ (unsigned long long)
+ sas_device->sas_address);
+
+ if (sas_device->enclosure_handle != 0)
+ starget_printk(KERN_INFO, starget,
+ "enclosure logical id(0x%016llx),"
+ " slot(%d)\n",
+ (unsigned long long)
+ sas_device->enclosure_logical_id,
+ sas_device->slot);
+ }
+ if (le16_to_cpu(sas_device_pg0->Flags) &
+ MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
+ sas_device->enclosure_level =
+ sas_device_pg0->EnclosureLevel;
+ memcpy(&sas_device->connector_name[0],
+ &sas_device_pg0->ConnectorName[0], 4);
+ } else {
+ sas_device->enclosure_level = 0;
+ sas_device->connector_name[0] = '\0';
+ }
+
+ sas_device->enclosure_handle =
+ le16_to_cpu(sas_device_pg0->EnclosureHandle);
+ sas_device->is_chassis_slot_valid = 0;
+ if (enclosure_dev) {
+ sas_device->enclosure_logical_id = le64_to_cpu(
+ enclosure_dev->pg0.EnclosureLogicalID);
+ if (le16_to_cpu(enclosure_dev->pg0.Flags) &
+ MPI2_SAS_ENCLS0_FLAGS_CHASSIS_SLOT_VALID) {
+ sas_device->is_chassis_slot_valid = 1;
+ sas_device->chassis_slot =
+ enclosure_dev->pg0.ChassisSlot;
+ }
+ }
+
+ if (sas_device->handle == le16_to_cpu(
+ sas_device_pg0->DevHandle))
+ goto out;
+ pr_info("\thandle changed from(0x%04x)!!!\n",
+ sas_device->handle);
+ sas_device->handle = le16_to_cpu(
+ sas_device_pg0->DevHandle);
+ if (sas_target_priv_data)
+ sas_target_priv_data->handle =
+ le16_to_cpu(sas_device_pg0->DevHandle);
+ goto out;
+ }
+ }
+ out:
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+}
+
+/**
+ * _scsih_create_enclosure_list_after_reset - Free Existing list,
+ * And create enclosure list by scanning all Enclosure Page(0)s
+ * @ioc: per adapter object
+ */
+static void
+_scsih_create_enclosure_list_after_reset(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _enclosure_node *enclosure_dev;
+ Mpi2ConfigReply_t mpi_reply;
+ u16 enclosure_handle;
+ int rc;
+
+ /* Free existing enclosure list */
+ mpt3sas_free_enclosure_list(ioc);
+
+ /* Re constructing enclosure list after reset*/
+ enclosure_handle = 0xFFFF;
+ do {
+ enclosure_dev =
+ kzalloc(sizeof(struct _enclosure_node), GFP_KERNEL);
+ if (!enclosure_dev) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+ rc = mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
+ &enclosure_dev->pg0,
+ MPI2_SAS_ENCLOS_PGAD_FORM_GET_NEXT_HANDLE,
+ enclosure_handle);
+
+ if (rc || (le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK)) {
+ kfree(enclosure_dev);
+ return;
+ }
+ list_add_tail(&enclosure_dev->list,
+ &ioc->enclosure_list);
+ enclosure_handle =
+ le16_to_cpu(enclosure_dev->pg0.EnclosureHandle);
+ } while (1);
+}
+
+/**
+ * _scsih_search_responding_sas_devices -
+ * @ioc: per adapter object
+ *
+ * After host reset, find out whether devices are still responding.
+ * If not remove.
+ */
+static void
+_scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
+{
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u16 ioc_status;
+ u16 handle;
+ u32 device_info;
+
+ ioc_info(ioc, "search for end-devices: start\n");
+
+ if (list_empty(&ioc->sas_device_list))
+ goto out;
+
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
+ &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
+ handle))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+ break;
+ handle = le16_to_cpu(sas_device_pg0.DevHandle);
+ device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
+ if (!(_scsih_is_end_device(device_info)))
+ continue;
+ _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
+ }
+
+ out:
+ ioc_info(ioc, "search for end-devices: complete\n");
+}
+
+/**
+ * _scsih_mark_responding_pcie_device - mark a pcie_device as responding
+ * @ioc: per adapter object
+ * @pcie_device_pg0: PCIe Device page 0
+ *
+ * After host reset, find out whether devices are still responding.
+ * Used in _scsih_remove_unresponding_devices.
+ */
+static void
+_scsih_mark_responding_pcie_device(struct MPT3SAS_ADAPTER *ioc,
+ Mpi26PCIeDevicePage0_t *pcie_device_pg0)
+{
+ struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
+ struct scsi_target *starget;
+ struct _pcie_device *pcie_device;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) {
+ if ((pcie_device->wwid == le64_to_cpu(pcie_device_pg0->WWID))
+ && (pcie_device->slot == le16_to_cpu(
+ pcie_device_pg0->Slot))) {
+ pcie_device->access_status =
+ pcie_device_pg0->AccessStatus;
+ pcie_device->responding = 1;
+ starget = pcie_device->starget;
+ if (starget && starget->hostdata) {
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->tm_busy = 0;
+ sas_target_priv_data->deleted = 0;
+ } else
+ sas_target_priv_data = NULL;
+ if (starget) {
+ starget_printk(KERN_INFO, starget,
+ "handle(0x%04x), wwid(0x%016llx) ",
+ pcie_device->handle,
+ (unsigned long long)pcie_device->wwid);
+ if (pcie_device->enclosure_handle != 0)
+ starget_printk(KERN_INFO, starget,
+ "enclosure logical id(0x%016llx), "
+ "slot(%d)\n",
+ (unsigned long long)
+ pcie_device->enclosure_logical_id,
+ pcie_device->slot);
+ }
+
+ if (((le32_to_cpu(pcie_device_pg0->Flags)) &
+ MPI26_PCIEDEV0_FLAGS_ENCL_LEVEL_VALID) &&
+ (ioc->hba_mpi_version_belonged != MPI2_VERSION)) {
+ pcie_device->enclosure_level =
+ pcie_device_pg0->EnclosureLevel;
+ memcpy(&pcie_device->connector_name[0],
+ &pcie_device_pg0->ConnectorName[0], 4);
+ } else {
+ pcie_device->enclosure_level = 0;
+ pcie_device->connector_name[0] = '\0';
+ }
+
+ if (pcie_device->handle == le16_to_cpu(
+ pcie_device_pg0->DevHandle))
+ goto out;
+ pr_info("\thandle changed from(0x%04x)!!!\n",
+ pcie_device->handle);
+ pcie_device->handle = le16_to_cpu(
+ pcie_device_pg0->DevHandle);
+ if (sas_target_priv_data)
+ sas_target_priv_data->handle =
+ le16_to_cpu(pcie_device_pg0->DevHandle);
+ goto out;
+ }
+ }
+
+ out:
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+}
+
+/**
+ * _scsih_search_responding_pcie_devices -
+ * @ioc: per adapter object
+ *
+ * After host reset, find out whether devices are still responding.
+ * If not remove.
+ */
+static void
+_scsih_search_responding_pcie_devices(struct MPT3SAS_ADAPTER *ioc)
+{
+ Mpi26PCIeDevicePage0_t pcie_device_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u16 ioc_status;
+ u16 handle;
+ u32 device_info;
+
+ ioc_info(ioc, "search for end-devices: start\n");
+
+ if (list_empty(&ioc->pcie_device_list))
+ goto out;
+
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
+ &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
+ handle))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from %s: ioc_status(0x%04x), loginfo(0x%08x)\n",
+ __func__, ioc_status,
+ le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ handle = le16_to_cpu(pcie_device_pg0.DevHandle);
+ device_info = le32_to_cpu(pcie_device_pg0.DeviceInfo);
+ if (!(_scsih_is_nvme_pciescsi_device(device_info)))
+ continue;
+ _scsih_mark_responding_pcie_device(ioc, &pcie_device_pg0);
+ }
+out:
+ ioc_info(ioc, "search for PCIe end-devices: complete\n");
+}
+
+/**
+ * _scsih_mark_responding_raid_device - mark a raid_device as responding
+ * @ioc: per adapter object
+ * @wwid: world wide identifier for raid volume
+ * @handle: device handle
+ *
+ * After host reset, find out whether devices are still responding.
+ * Used in _scsih_remove_unresponsive_raid_devices.
+ */
+static void
+_scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
+ u16 handle)
+{
+ struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
+ struct scsi_target *starget;
+ struct _raid_device *raid_device;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
+ if (raid_device->wwid == wwid && raid_device->starget) {
+ starget = raid_device->starget;
+ if (starget && starget->hostdata) {
+ sas_target_priv_data = starget->hostdata;
+ sas_target_priv_data->deleted = 0;
+ } else
+ sas_target_priv_data = NULL;
+ raid_device->responding = 1;
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ starget_printk(KERN_INFO, raid_device->starget,
+ "handle(0x%04x), wwid(0x%016llx)\n", handle,
+ (unsigned long long)raid_device->wwid);
+
+ /*
+ * WARPDRIVE: The handles of the PDs might have changed
+ * across the host reset so re-initialize the
+ * required data for Direct IO
+ */
+ mpt3sas_init_warpdrive_properties(ioc, raid_device);
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ if (raid_device->handle == handle) {
+ spin_unlock_irqrestore(&ioc->raid_device_lock,
+ flags);
+ return;
+ }
+ pr_info("\thandle changed from(0x%04x)!!!\n",
+ raid_device->handle);
+ raid_device->handle = handle;
+ if (sas_target_priv_data)
+ sas_target_priv_data->handle = handle;
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ return;
+ }
+ }
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+}
+
+/**
+ * _scsih_search_responding_raid_devices -
+ * @ioc: per adapter object
+ *
+ * After host reset, find out whether devices are still responding.
+ * If not remove.
+ */
+static void
+_scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
+{
+ Mpi2RaidVolPage1_t volume_pg1;
+ Mpi2RaidVolPage0_t volume_pg0;
+ Mpi2RaidPhysDiskPage0_t pd_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u16 ioc_status;
+ u16 handle;
+ u8 phys_disk_num;
+
+ if (!ioc->ir_firmware)
+ return;
+
+ ioc_info(ioc, "search for raid volumes: start\n");
+
+ if (list_empty(&ioc->raid_device_list))
+ goto out;
+
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
+ &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+ break;
+ handle = le16_to_cpu(volume_pg1.DevHandle);
+
+ if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
+ &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
+ sizeof(Mpi2RaidVolPage0_t)))
+ continue;
+
+ if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
+ volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
+ volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
+ _scsih_mark_responding_raid_device(ioc,
+ le64_to_cpu(volume_pg1.WWID), handle);
+ }
+
+ /* refresh the pd_handles */
+ if (!ioc->is_warpdrive) {
+ phys_disk_num = 0xFF;
+ memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
+ while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
+ &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
+ phys_disk_num))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+ break;
+ phys_disk_num = pd_pg0.PhysDiskNum;
+ handle = le16_to_cpu(pd_pg0.DevHandle);
+ set_bit(handle, ioc->pd_handles);
+ }
+ }
+ out:
+ ioc_info(ioc, "search for responding raid volumes: complete\n");
+}
+
+/**
+ * _scsih_mark_responding_expander - mark a expander as responding
+ * @ioc: per adapter object
+ * @expander_pg0:SAS Expander Config Page0
+ *
+ * After host reset, find out whether devices are still responding.
+ * Used in _scsih_remove_unresponsive_expanders.
+ */
+static void
+_scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2ExpanderPage0_t *expander_pg0)
+{
+ struct _sas_node *sas_expander = NULL;
+ unsigned long flags;
+ int i;
+ struct _enclosure_node *enclosure_dev = NULL;
+ u16 handle = le16_to_cpu(expander_pg0->DevHandle);
+ u16 enclosure_handle = le16_to_cpu(expander_pg0->EnclosureHandle);
+ u64 sas_address = le64_to_cpu(expander_pg0->SASAddress);
+
+ if (enclosure_handle)
+ enclosure_dev =
+ mpt3sas_scsih_enclosure_find_by_handle(ioc,
+ enclosure_handle);
+
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
+ if (sas_expander->sas_address != sas_address)
+ continue;
+ sas_expander->responding = 1;
+
+ if (enclosure_dev) {
+ sas_expander->enclosure_logical_id =
+ le64_to_cpu(enclosure_dev->pg0.EnclosureLogicalID);
+ sas_expander->enclosure_handle =
+ le16_to_cpu(expander_pg0->EnclosureHandle);
+ }
+
+ if (sas_expander->handle == handle)
+ goto out;
+ pr_info("\texpander(0x%016llx): handle changed" \
+ " from(0x%04x) to (0x%04x)!!!\n",
+ (unsigned long long)sas_expander->sas_address,
+ sas_expander->handle, handle);
+ sas_expander->handle = handle;
+ for (i = 0 ; i < sas_expander->num_phys ; i++)
+ sas_expander->phy[i].handle = handle;
+ goto out;
+ }
+ out:
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+}
+
+/**
+ * _scsih_search_responding_expanders -
+ * @ioc: per adapter object
+ *
+ * After host reset, find out whether devices are still responding.
+ * If not remove.
+ */
+static void
+_scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
+{
+ Mpi2ExpanderPage0_t expander_pg0;
+ Mpi2ConfigReply_t mpi_reply;
+ u16 ioc_status;
+ u64 sas_address;
+ u16 handle;
+
+ ioc_info(ioc, "search for expanders: start\n");
+
+ if (list_empty(&ioc->sas_expander_list))
+ goto out;
+
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
+ MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
+
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
+ break;
+
+ handle = le16_to_cpu(expander_pg0.DevHandle);
+ sas_address = le64_to_cpu(expander_pg0.SASAddress);
+ pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
+ handle,
+ (unsigned long long)sas_address);
+ _scsih_mark_responding_expander(ioc, &expander_pg0);
+ }
+
+ out:
+ ioc_info(ioc, "search for expanders: complete\n");
+}
+
+/**
+ * _scsih_remove_unresponding_devices - removing unresponding devices
+ * @ioc: per adapter object
+ */
+static void
+_scsih_remove_unresponding_devices(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _sas_device *sas_device, *sas_device_next;
+ struct _sas_node *sas_expander, *sas_expander_next;
+ struct _raid_device *raid_device, *raid_device_next;
+ struct _pcie_device *pcie_device, *pcie_device_next;
+ struct list_head tmp_list;
+ unsigned long flags;
+ LIST_HEAD(head);
+
+ ioc_info(ioc, "removing unresponding devices: start\n");
+
+ /* removing unresponding end devices */
+ ioc_info(ioc, "removing unresponding devices: end-devices\n");
+ /*
+ * Iterate, pulling off devices marked as non-responding. We become the
+ * owner for the reference the list had on any object we prune.
+ */
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ list_for_each_entry_safe(sas_device, sas_device_next,
+ &ioc->sas_device_list, list) {
+ if (!sas_device->responding)
+ list_move_tail(&sas_device->list, &head);
+ else
+ sas_device->responding = 0;
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ /*
+ * Now, uninitialize and remove the unresponding devices we pruned.
+ */
+ list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
+ _scsih_remove_device(ioc, sas_device);
+ list_del_init(&sas_device->list);
+ sas_device_put(sas_device);
+ }
+
+ ioc_info(ioc, "Removing unresponding devices: pcie end-devices\n");
+ INIT_LIST_HEAD(&head);
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ list_for_each_entry_safe(pcie_device, pcie_device_next,
+ &ioc->pcie_device_list, list) {
+ if (!pcie_device->responding)
+ list_move_tail(&pcie_device->list, &head);
+ else
+ pcie_device->responding = 0;
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ list_for_each_entry_safe(pcie_device, pcie_device_next, &head, list) {
+ _scsih_pcie_device_remove_from_sml(ioc, pcie_device);
+ list_del_init(&pcie_device->list);
+ pcie_device_put(pcie_device);
+ }
+
+ /* removing unresponding volumes */
+ if (ioc->ir_firmware) {
+ ioc_info(ioc, "removing unresponding devices: volumes\n");
+ list_for_each_entry_safe(raid_device, raid_device_next,
+ &ioc->raid_device_list, list) {
+ if (!raid_device->responding)
+ _scsih_sas_volume_delete(ioc,
+ raid_device->handle);
+ else
+ raid_device->responding = 0;
+ }
+ }
+
+ /* removing unresponding expanders */
+ ioc_info(ioc, "removing unresponding devices: expanders\n");
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ INIT_LIST_HEAD(&tmp_list);
+ list_for_each_entry_safe(sas_expander, sas_expander_next,
+ &ioc->sas_expander_list, list) {
+ if (!sas_expander->responding)
+ list_move_tail(&sas_expander->list, &tmp_list);
+ else
+ sas_expander->responding = 0;
+ }
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+ list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
+ list) {
+ _scsih_expander_node_remove(ioc, sas_expander);
+ }
+
+ ioc_info(ioc, "removing unresponding devices: complete\n");
+
+ /* unblock devices */
+ _scsih_ublock_io_all_device(ioc);
+}
+
+static void
+_scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_node *sas_expander, u16 handle)
+{
+ Mpi2ExpanderPage1_t expander_pg1;
+ Mpi2ConfigReply_t mpi_reply;
+ int i;
+
+ for (i = 0 ; i < sas_expander->num_phys ; i++) {
+ if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
+ &expander_pg1, i, handle))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return;
+ }
+
+ mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
+ le16_to_cpu(expander_pg1.AttachedDevHandle), i,
+ expander_pg1.NegotiatedLinkRate >> 4);
+ }
+}
+
+/**
+ * _scsih_scan_for_devices_after_reset - scan for devices after host reset
+ * @ioc: per adapter object
+ */
+static void
+_scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
+{
+ Mpi2ExpanderPage0_t expander_pg0;
+ Mpi2SasDevicePage0_t sas_device_pg0;
+ Mpi26PCIeDevicePage0_t pcie_device_pg0;
+ Mpi2RaidVolPage1_t volume_pg1;
+ Mpi2RaidVolPage0_t volume_pg0;
+ Mpi2RaidPhysDiskPage0_t pd_pg0;
+ Mpi2EventIrConfigElement_t element;
+ Mpi2ConfigReply_t mpi_reply;
+ u8 phys_disk_num;
+ u16 ioc_status;
+ u16 handle, parent_handle;
+ u64 sas_address;
+ struct _sas_device *sas_device;
+ struct _pcie_device *pcie_device;
+ struct _sas_node *expander_device;
+ static struct _raid_device *raid_device;
+ u8 retry_count;
+ unsigned long flags;
+
+ ioc_info(ioc, "scan devices: start\n");
+
+ _scsih_sas_host_refresh(ioc);
+
+ ioc_info(ioc, "\tscan devices: expanders start\n");
+
+ /* expanders */
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
+ MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from expander scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ handle = le16_to_cpu(expander_pg0.DevHandle);
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ expander_device = mpt3sas_scsih_expander_find_by_sas_address(
+ ioc, le64_to_cpu(expander_pg0.SASAddress));
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+ if (expander_device)
+ _scsih_refresh_expander_links(ioc, expander_device,
+ handle);
+ else {
+ ioc_info(ioc, "\tBEFORE adding expander: handle (0x%04x), sas_addr(0x%016llx)\n",
+ handle,
+ (u64)le64_to_cpu(expander_pg0.SASAddress));
+ _scsih_expander_add(ioc, handle);
+ ioc_info(ioc, "\tAFTER adding expander: handle (0x%04x), sas_addr(0x%016llx)\n",
+ handle,
+ (u64)le64_to_cpu(expander_pg0.SASAddress));
+ }
+ }
+
+ ioc_info(ioc, "\tscan devices: expanders complete\n");
+
+ if (!ioc->ir_firmware)
+ goto skip_to_sas;
+
+ ioc_info(ioc, "\tscan devices: phys disk start\n");
+
+ /* phys disk */
+ phys_disk_num = 0xFF;
+ while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
+ &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
+ phys_disk_num))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from phys disk scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ phys_disk_num = pd_pg0.PhysDiskNum;
+ handle = le16_to_cpu(pd_pg0.DevHandle);
+ sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
+ if (sas_device) {
+ sas_device_put(sas_device);
+ continue;
+ }
+ if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
+ &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
+ handle) != 0)
+ continue;
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from phys disk scan ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
+ if (!_scsih_get_sas_address(ioc, parent_handle,
+ &sas_address)) {
+ ioc_info(ioc, "\tBEFORE adding phys disk: handle (0x%04x), sas_addr(0x%016llx)\n",
+ handle,
+ (u64)le64_to_cpu(sas_device_pg0.SASAddress));
+ mpt3sas_transport_update_links(ioc, sas_address,
+ handle, sas_device_pg0.PhyNum,
+ MPI2_SAS_NEG_LINK_RATE_1_5);
+ set_bit(handle, ioc->pd_handles);
+ retry_count = 0;
+ /* This will retry adding the end device.
+ * _scsih_add_device() will decide on retries and
+ * return "1" when it should be retried
+ */
+ while (_scsih_add_device(ioc, handle, retry_count++,
+ 1)) {
+ ssleep(1);
+ }
+ ioc_info(ioc, "\tAFTER adding phys disk: handle (0x%04x), sas_addr(0x%016llx)\n",
+ handle,
+ (u64)le64_to_cpu(sas_device_pg0.SASAddress));
+ }
+ }
+
+ ioc_info(ioc, "\tscan devices: phys disk complete\n");
+
+ ioc_info(ioc, "\tscan devices: volumes start\n");
+
+ /* volumes */
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
+ &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from volume scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ handle = le16_to_cpu(volume_pg1.DevHandle);
+ spin_lock_irqsave(&ioc->raid_device_lock, flags);
+ raid_device = _scsih_raid_device_find_by_wwid(ioc,
+ le64_to_cpu(volume_pg1.WWID));
+ spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
+ if (raid_device)
+ continue;
+ if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
+ &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
+ sizeof(Mpi2RaidVolPage0_t)))
+ continue;
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from volume scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
+ volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
+ volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
+ memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
+ element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
+ element.VolDevHandle = volume_pg1.DevHandle;
+ ioc_info(ioc, "\tBEFORE adding volume: handle (0x%04x)\n",
+ volume_pg1.DevHandle);
+ _scsih_sas_volume_add(ioc, &element);
+ ioc_info(ioc, "\tAFTER adding volume: handle (0x%04x)\n",
+ volume_pg1.DevHandle);
+ }
+ }
+
+ ioc_info(ioc, "\tscan devices: volumes complete\n");
+
+ skip_to_sas:
+
+ ioc_info(ioc, "\tscan devices: end devices start\n");
+
+ /* sas devices */
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
+ &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
+ handle))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from end device scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ handle = le16_to_cpu(sas_device_pg0.DevHandle);
+ if (!(_scsih_is_end_device(
+ le32_to_cpu(sas_device_pg0.DeviceInfo))))
+ continue;
+ sas_device = mpt3sas_get_sdev_by_addr(ioc,
+ le64_to_cpu(sas_device_pg0.SASAddress));
+ if (sas_device) {
+ sas_device_put(sas_device);
+ continue;
+ }
+ parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
+ if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
+ ioc_info(ioc, "\tBEFORE adding end device: handle (0x%04x), sas_addr(0x%016llx)\n",
+ handle,
+ (u64)le64_to_cpu(sas_device_pg0.SASAddress));
+ mpt3sas_transport_update_links(ioc, sas_address, handle,
+ sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
+ retry_count = 0;
+ /* This will retry adding the end device.
+ * _scsih_add_device() will decide on retries and
+ * return "1" when it should be retried
+ */
+ while (_scsih_add_device(ioc, handle, retry_count++,
+ 0)) {
+ ssleep(1);
+ }
+ ioc_info(ioc, "\tAFTER adding end device: handle (0x%04x), sas_addr(0x%016llx)\n",
+ handle,
+ (u64)le64_to_cpu(sas_device_pg0.SASAddress));
+ }
+ }
+ ioc_info(ioc, "\tscan devices: end devices complete\n");
+ ioc_info(ioc, "\tscan devices: pcie end devices start\n");
+
+ /* pcie devices */
+ handle = 0xFFFF;
+ while (!(mpt3sas_config_get_pcie_device_pg0(ioc, &mpi_reply,
+ &pcie_device_pg0, MPI26_PCIE_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
+ handle))) {
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus)
+ & MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ ioc_info(ioc, "\tbreak from pcie end device scan: ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc_status, le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
+ handle = le16_to_cpu(pcie_device_pg0.DevHandle);
+ if (!(_scsih_is_nvme_pciescsi_device(
+ le32_to_cpu(pcie_device_pg0.DeviceInfo))))
+ continue;
+ pcie_device = mpt3sas_get_pdev_by_wwid(ioc,
+ le64_to_cpu(pcie_device_pg0.WWID));
+ if (pcie_device) {
+ pcie_device_put(pcie_device);
+ continue;
+ }
+ retry_count = 0;
+ parent_handle = le16_to_cpu(pcie_device_pg0.ParentDevHandle);
+ _scsih_pcie_add_device(ioc, handle);
+
+ ioc_info(ioc, "\tAFTER adding pcie end device: handle (0x%04x), wwid(0x%016llx)\n",
+ handle, (u64)le64_to_cpu(pcie_device_pg0.WWID));
+ }
+ ioc_info(ioc, "\tpcie devices: pcie end devices complete\n");
+ ioc_info(ioc, "scan devices: complete\n");
+}
+
+/**
+ * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
+ * @ioc: per adapter object
+ *
+ * The handler for doing any required cleanup or initialization.
+ */
+void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc)
+{
+ dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_PRE_RESET\n", __func__));
+}
+
+/**
+ * mpt3sas_scsih_after_reset_handler - reset callback handler (for scsih)
+ * @ioc: per adapter object
+ *
+ * The handler for doing any required cleanup or initialization.
+ */
+void
+mpt3sas_scsih_after_reset_handler(struct MPT3SAS_ADAPTER *ioc)
+{
+ dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_AFTER_RESET\n", __func__));
+ if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
+ ioc->scsih_cmds.status |= MPT3_CMD_RESET;
+ mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
+ complete(&ioc->scsih_cmds.done);
+ }
+ if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
+ ioc->tm_cmds.status |= MPT3_CMD_RESET;
+ mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
+ complete(&ioc->tm_cmds.done);
+ }
+
+ memset(ioc->pend_os_device_add, 0, ioc->pend_os_device_add_sz);
+ memset(ioc->device_remove_in_progress, 0,
+ ioc->device_remove_in_progress_sz);
+ _scsih_fw_event_cleanup_queue(ioc);
+ _scsih_flush_running_cmds(ioc);
+}
+
+/**
+ * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
+ * @ioc: per adapter object
+ *
+ * The handler for doing any required cleanup or initialization.
+ */
+void
+mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc)
+{
+ dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_DONE_RESET\n", __func__));
+ if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
+ !ioc->sas_hba.num_phys)) {
+ _scsih_prep_device_scan(ioc);
+ _scsih_create_enclosure_list_after_reset(ioc);
+ _scsih_search_responding_sas_devices(ioc);
+ _scsih_search_responding_pcie_devices(ioc);
+ _scsih_search_responding_raid_devices(ioc);
+ _scsih_search_responding_expanders(ioc);
+ _scsih_error_recovery_delete_devices(ioc);
+ }
+}
+
+/**
+ * _mpt3sas_fw_work - delayed task for processing firmware events
+ * @ioc: per adapter object
+ * @fw_event: The fw_event_work object
+ * Context: user.
+ */
+static void
+_mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
+{
+ _scsih_fw_event_del_from_list(ioc, fw_event);
+
+ /* the queue is being flushed so ignore this event */
+ if (ioc->remove_host || ioc->pci_error_recovery) {
+ fw_event_work_put(fw_event);
+ return;
+ }
+
+ switch (fw_event->event) {
+ case MPT3SAS_PROCESS_TRIGGER_DIAG:
+ mpt3sas_process_trigger_data(ioc,
+ (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
+ fw_event->event_data);
+ break;
+ case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
+ while (scsi_host_in_recovery(ioc->shost) ||
+ ioc->shost_recovery) {
+ /*
+ * If we're unloading, bail. Otherwise, this can become
+ * an infinite loop.
+ */
+ if (ioc->remove_host)
+ goto out;
+ ssleep(1);
+ }
+ _scsih_remove_unresponding_devices(ioc);
+ _scsih_scan_for_devices_after_reset(ioc);
+ break;
+ case MPT3SAS_PORT_ENABLE_COMPLETE:
+ ioc->start_scan = 0;
+ if (missing_delay[0] != -1 && missing_delay[1] != -1)
+ mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
+ missing_delay[1]);
+ dewtprintk(ioc,
+ ioc_info(ioc, "port enable: complete from worker thread\n"));
+ break;
+ case MPT3SAS_TURN_ON_PFA_LED:
+ _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
+ break;
+ case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
+ _scsih_sas_topology_change_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
+ if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
+ _scsih_sas_device_status_change_event_debug(ioc,
+ (Mpi2EventDataSasDeviceStatusChange_t *)
+ fw_event->event_data);
+ break;
+ case MPI2_EVENT_SAS_DISCOVERY:
+ _scsih_sas_discovery_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
+ _scsih_sas_device_discovery_error_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
+ _scsih_sas_broadcast_primitive_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
+ _scsih_sas_enclosure_dev_status_change_event(ioc,
+ fw_event);
+ break;
+ case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
+ _scsih_sas_ir_config_change_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_IR_VOLUME:
+ _scsih_sas_ir_volume_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_IR_PHYSICAL_DISK:
+ _scsih_sas_ir_physical_disk_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_IR_OPERATION_STATUS:
+ _scsih_sas_ir_operation_status_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
+ _scsih_pcie_device_status_change_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_PCIE_ENUMERATION:
+ _scsih_pcie_enumeration_event(ioc, fw_event);
+ break;
+ case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
+ _scsih_pcie_topology_change_event(ioc, fw_event);
+ return;
+ break;
+ }
+out:
+ fw_event_work_put(fw_event);
+}
+
+/**
+ * _firmware_event_work
+ * @work: The fw_event_work object
+ * Context: user.
+ *
+ * wrappers for the work thread handling firmware events
+ */
+
+static void
+_firmware_event_work(struct work_struct *work)
+{
+ struct fw_event_work *fw_event = container_of(work,
+ struct fw_event_work, work);
+
+ _mpt3sas_fw_work(fw_event->ioc, fw_event);
+}
+
+/**
+ * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
+ * @ioc: per adapter object
+ * @msix_index: MSIX table index supplied by the OS
+ * @reply: reply message frame(lower 32bit addr)
+ * Context: interrupt.
+ *
+ * This function merely adds a new work task into ioc->firmware_event_thread.
+ * The tasks are worked from _firmware_event_work in user context.
+ *
+ * Return: 1 meaning mf should be freed from _base_interrupt
+ * 0 means the mf is freed from this function.
+ */
+u8
+mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
+ u32 reply)
+{
+ struct fw_event_work *fw_event;
+ Mpi2EventNotificationReply_t *mpi_reply;
+ u16 event;
+ u16 sz;
+ Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
+
+ /* events turned off due to host reset */
+ if (ioc->pci_error_recovery)
+ return 1;
+
+ mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
+
+ if (unlikely(!mpi_reply)) {
+ ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 1;
+ }
+
+ event = le16_to_cpu(mpi_reply->Event);
+
+ if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
+ mpt3sas_trigger_event(ioc, event, 0);
+
+ switch (event) {
+ /* handle these */
+ case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
+ {
+ Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
+ (Mpi2EventDataSasBroadcastPrimitive_t *)
+ mpi_reply->EventData;
+
+ if (baen_data->Primitive !=
+ MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
+ return 1;
+
+ if (ioc->broadcast_aen_busy) {
+ ioc->broadcast_aen_pending++;
+ return 1;
+ } else
+ ioc->broadcast_aen_busy = 1;
+ break;
+ }
+
+ case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
+ _scsih_check_topo_delete_events(ioc,
+ (Mpi2EventDataSasTopologyChangeList_t *)
+ mpi_reply->EventData);
+ break;
+ case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
+ _scsih_check_pcie_topo_remove_events(ioc,
+ (Mpi26EventDataPCIeTopologyChangeList_t *)
+ mpi_reply->EventData);
+ break;
+ case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
+ _scsih_check_ir_config_unhide_events(ioc,
+ (Mpi2EventDataIrConfigChangeList_t *)
+ mpi_reply->EventData);
+ break;
+ case MPI2_EVENT_IR_VOLUME:
+ _scsih_check_volume_delete_events(ioc,
+ (Mpi2EventDataIrVolume_t *)
+ mpi_reply->EventData);
+ break;
+ case MPI2_EVENT_LOG_ENTRY_ADDED:
+ {
+ Mpi2EventDataLogEntryAdded_t *log_entry;
+ u32 *log_code;
+
+ if (!ioc->is_warpdrive)
+ break;
+
+ log_entry = (Mpi2EventDataLogEntryAdded_t *)
+ mpi_reply->EventData;
+ log_code = (u32 *)log_entry->LogData;
+
+ if (le16_to_cpu(log_entry->LogEntryQualifier)
+ != MPT2_WARPDRIVE_LOGENTRY)
+ break;
+
+ switch (le32_to_cpu(*log_code)) {
+ case MPT2_WARPDRIVE_LC_SSDT:
+ ioc_warn(ioc, "WarpDrive Warning: IO Throttling has occurred in the WarpDrive subsystem. Check WarpDrive documentation for additional details.\n");
+ break;
+ case MPT2_WARPDRIVE_LC_SSDLW:
+ ioc_warn(ioc, "WarpDrive Warning: Program/Erase Cycles for the WarpDrive subsystem in degraded range. Check WarpDrive documentation for additional details.\n");
+ break;
+ case MPT2_WARPDRIVE_LC_SSDLF:
+ ioc_err(ioc, "WarpDrive Fatal Error: There are no Program/Erase Cycles for the WarpDrive subsystem. The storage device will be in read-only mode. Check WarpDrive documentation for additional details.\n");
+ break;
+ case MPT2_WARPDRIVE_LC_BRMF:
+ ioc_err(ioc, "WarpDrive Fatal Error: The Backup Rail Monitor has failed on the WarpDrive subsystem. Check WarpDrive documentation for additional details.\n");
+ break;
+ }
+
+ break;
+ }
+ case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
+ _scsih_sas_device_status_change_event(ioc,
+ (Mpi2EventDataSasDeviceStatusChange_t *)
+ mpi_reply->EventData);
+ break;
+ case MPI2_EVENT_IR_OPERATION_STATUS:
+ case MPI2_EVENT_SAS_DISCOVERY:
+ case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
+ case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
+ case MPI2_EVENT_IR_PHYSICAL_DISK:
+ case MPI2_EVENT_PCIE_ENUMERATION:
+ case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
+ break;
+
+ case MPI2_EVENT_TEMP_THRESHOLD:
+ _scsih_temp_threshold_events(ioc,
+ (Mpi2EventDataTemperature_t *)
+ mpi_reply->EventData);
+ break;
+ case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
+ ActiveCableEventData =
+ (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
+ switch (ActiveCableEventData->ReasonCode) {
+ case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
+ ioc_notice(ioc, "Currently an active cable with ReceptacleID %d\n",
+ ActiveCableEventData->ReceptacleID);
+ pr_notice("cannot be powered and devices connected\n");
+ pr_notice("to this active cable will not be seen\n");
+ pr_notice("This active cable requires %d mW of power\n",
+ ActiveCableEventData->ActiveCablePowerRequirement);
+ break;
+
+ case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
+ ioc_notice(ioc, "Currently a cable with ReceptacleID %d\n",
+ ActiveCableEventData->ReceptacleID);
+ pr_notice(
+ "is not running at optimal speed(12 Gb/s rate)\n");
+ break;
+ }
+
+ break;
+
+ default: /* ignore the rest */
+ return 1;
+ }
+
+ sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
+ fw_event = alloc_fw_event_work(sz);
+ if (!fw_event) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ return 1;
+ }
+
+ memcpy(fw_event->event_data, mpi_reply->EventData, sz);
+ fw_event->ioc = ioc;
+ fw_event->VF_ID = mpi_reply->VF_ID;
+ fw_event->VP_ID = mpi_reply->VP_ID;
+ fw_event->event = event;
+ _scsih_fw_event_add(ioc, fw_event);
+ fw_event_work_put(fw_event);
+ return 1;
+}
+
+/**
+ * _scsih_expander_node_remove - removing expander device from list.
+ * @ioc: per adapter object
+ * @sas_expander: the sas_device object
+ *
+ * Removing object and freeing associated memory from the
+ * ioc->sas_expander_list.
+ */
+static void
+_scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_node *sas_expander)
+{
+ struct _sas_port *mpt3sas_port, *next;
+ unsigned long flags;
+
+ /* remove sibling ports attached to this expander */
+ list_for_each_entry_safe(mpt3sas_port, next,
+ &sas_expander->sas_port_list, port_list) {
+ if (ioc->shost_recovery)
+ return;
+ if (mpt3sas_port->remote_identify.device_type ==
+ SAS_END_DEVICE)
+ mpt3sas_device_remove_by_sas_address(ioc,
+ mpt3sas_port->remote_identify.sas_address);
+ else if (mpt3sas_port->remote_identify.device_type ==
+ SAS_EDGE_EXPANDER_DEVICE ||
+ mpt3sas_port->remote_identify.device_type ==
+ SAS_FANOUT_EXPANDER_DEVICE)
+ mpt3sas_expander_remove(ioc,
+ mpt3sas_port->remote_identify.sas_address);
+ }
+
+ mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
+ sas_expander->sas_address_parent);
+
+ ioc_info(ioc, "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
+ sas_expander->handle, (unsigned long long)
+ sas_expander->sas_address);
+
+ spin_lock_irqsave(&ioc->sas_node_lock, flags);
+ list_del(&sas_expander->list);
+ spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
+
+ kfree(sas_expander->phy);
+ kfree(sas_expander);
+}
+
+/**
+ * _scsih_ir_shutdown - IR shutdown notification
+ * @ioc: per adapter object
+ *
+ * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
+ * the host system is shutting down.
+ */
+static void
+_scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
+{
+ Mpi2RaidActionRequest_t *mpi_request;
+ Mpi2RaidActionReply_t *mpi_reply;
+ u16 smid;
+
+ /* is IR firmware build loaded ? */
+ if (!ioc->ir_firmware)
+ return;
+
+ /* are there any volumes ? */
+ if (list_empty(&ioc->raid_device_list))
+ return;
+
+ mutex_lock(&ioc->scsih_cmds.mutex);
+
+ if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
+ ioc_err(ioc, "%s: scsih_cmd in use\n", __func__);
+ goto out;
+ }
+ ioc->scsih_cmds.status = MPT3_CMD_PENDING;
+
+ smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
+ if (!smid) {
+ ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
+ ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
+ goto out;
+ }
+
+ mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+ ioc->scsih_cmds.smid = smid;
+ memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
+
+ mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
+ mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
+
+ if (!ioc->hide_ir_msg)
+ ioc_info(ioc, "IR shutdown (sending)\n");
+ init_completion(&ioc->scsih_cmds.done);
+ ioc->put_smid_default(ioc, smid);
+ wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
+
+ if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
+ ioc_err(ioc, "%s: timeout\n", __func__);
+ goto out;
+ }
+
+ if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
+ mpi_reply = ioc->scsih_cmds.reply;
+ if (!ioc->hide_ir_msg)
+ ioc_info(ioc, "IR shutdown (complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
+ le16_to_cpu(mpi_reply->IOCStatus),
+ le32_to_cpu(mpi_reply->IOCLogInfo));
+ }
+
+ out:
+ ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
+ mutex_unlock(&ioc->scsih_cmds.mutex);
+}
+
+/**
+ * scsih_remove - detach and remove add host
+ * @pdev: PCI device struct
+ *
+ * Routine called when unloading the driver.
+ */
+static void scsih_remove(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ struct _sas_port *mpt3sas_port, *next_port;
+ struct _raid_device *raid_device, *next;
+ struct MPT3SAS_TARGET *sas_target_priv_data;
+ struct _pcie_device *pcie_device, *pcienext;
+ struct workqueue_struct *wq;
+ unsigned long flags;
+ Mpi2ConfigReply_t mpi_reply;
+
+ ioc->remove_host = 1;
+
+ if (!pci_device_is_present(pdev))
+ _scsih_flush_running_cmds(ioc);
+
+ _scsih_fw_event_cleanup_queue(ioc);
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ wq = ioc->firmware_event_thread;
+ ioc->firmware_event_thread = NULL;
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+ if (wq)
+ destroy_workqueue(wq);
+ /*
+ * Copy back the unmodified ioc page1. so that on next driver load,
+ * current modified changes on ioc page1 won't take effect.
+ */
+ if (ioc->is_aero_ioc)
+ mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply,
+ &ioc->ioc_pg1_copy);
+ /* release all the volumes */
+ _scsih_ir_shutdown(ioc);
+ sas_remove_host(shost);
+ list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
+ list) {
+ if (raid_device->starget) {
+ sas_target_priv_data =
+ raid_device->starget->hostdata;
+ sas_target_priv_data->deleted = 1;
+ scsi_remove_target(&raid_device->starget->dev);
+ }
+ ioc_info(ioc, "removing handle(0x%04x), wwid(0x%016llx)\n",
+ raid_device->handle, (u64)raid_device->wwid);
+ _scsih_raid_device_remove(ioc, raid_device);
+ }
+ list_for_each_entry_safe(pcie_device, pcienext, &ioc->pcie_device_list,
+ list) {
+ _scsih_pcie_device_remove_from_sml(ioc, pcie_device);
+ list_del_init(&pcie_device->list);
+ pcie_device_put(pcie_device);
+ }
+
+ /* free ports attached to the sas_host */
+ list_for_each_entry_safe(mpt3sas_port, next_port,
+ &ioc->sas_hba.sas_port_list, port_list) {
+ if (mpt3sas_port->remote_identify.device_type ==
+ SAS_END_DEVICE)
+ mpt3sas_device_remove_by_sas_address(ioc,
+ mpt3sas_port->remote_identify.sas_address);
+ else if (mpt3sas_port->remote_identify.device_type ==
+ SAS_EDGE_EXPANDER_DEVICE ||
+ mpt3sas_port->remote_identify.device_type ==
+ SAS_FANOUT_EXPANDER_DEVICE)
+ mpt3sas_expander_remove(ioc,
+ mpt3sas_port->remote_identify.sas_address);
+ }
+
+ /* free phys attached to the sas_host */
+ if (ioc->sas_hba.num_phys) {
+ kfree(ioc->sas_hba.phy);
+ ioc->sas_hba.phy = NULL;
+ ioc->sas_hba.num_phys = 0;
+ }
+
+ mpt3sas_base_detach(ioc);
+ spin_lock(&gioc_lock);
+ list_del(&ioc->list);
+ spin_unlock(&gioc_lock);
+ scsi_host_put(shost);
+}
+
+/**
+ * scsih_shutdown - routine call during system shutdown
+ * @pdev: PCI device struct
+ */
+static void
+scsih_shutdown(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ struct workqueue_struct *wq;
+ unsigned long flags;
+ Mpi2ConfigReply_t mpi_reply;
+
+ ioc->remove_host = 1;
+
+ if (!pci_device_is_present(pdev))
+ _scsih_flush_running_cmds(ioc);
+
+ _scsih_fw_event_cleanup_queue(ioc);
+
+ spin_lock_irqsave(&ioc->fw_event_lock, flags);
+ wq = ioc->firmware_event_thread;
+ ioc->firmware_event_thread = NULL;
+ spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+ if (wq)
+ destroy_workqueue(wq);
+ /*
+ * Copy back the unmodified ioc page1 so that on next driver load,
+ * current modified changes on ioc page1 won't take effect.
+ */
+ if (ioc->is_aero_ioc)
+ mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply,
+ &ioc->ioc_pg1_copy);
+
+ _scsih_ir_shutdown(ioc);
+ mpt3sas_base_detach(ioc);
+}
+
+
+/**
+ * _scsih_probe_boot_devices - reports 1st device
+ * @ioc: per adapter object
+ *
+ * If specified in bios page 2, this routine reports the 1st
+ * device scsi-ml or sas transport for persistent boot device
+ * purposes. Please refer to function _scsih_determine_boot_device()
+ */
+static void
+_scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
+{
+ u32 channel;
+ void *device;
+ struct _sas_device *sas_device;
+ struct _raid_device *raid_device;
+ struct _pcie_device *pcie_device;
+ u16 handle;
+ u64 sas_address_parent;
+ u64 sas_address;
+ unsigned long flags;
+ int rc;
+ int tid;
+
+ /* no Bios, return immediately */
+ if (!ioc->bios_pg3.BiosVersion)
+ return;
+
+ device = NULL;
+ if (ioc->req_boot_device.device) {
+ device = ioc->req_boot_device.device;
+ channel = ioc->req_boot_device.channel;
+ } else if (ioc->req_alt_boot_device.device) {
+ device = ioc->req_alt_boot_device.device;
+ channel = ioc->req_alt_boot_device.channel;
+ } else if (ioc->current_boot_device.device) {
+ device = ioc->current_boot_device.device;
+ channel = ioc->current_boot_device.channel;
+ }
+
+ if (!device)
+ return;
+
+ if (channel == RAID_CHANNEL) {
+ raid_device = device;
+ rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
+ raid_device->id, 0);
+ if (rc)
+ _scsih_raid_device_remove(ioc, raid_device);
+ } else if (channel == PCIE_CHANNEL) {
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ pcie_device = device;
+ tid = pcie_device->id;
+ list_move_tail(&pcie_device->list, &ioc->pcie_device_list);
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+ rc = scsi_add_device(ioc->shost, PCIE_CHANNEL, tid, 0);
+ if (rc)
+ _scsih_pcie_device_remove(ioc, pcie_device);
+ } else {
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ sas_device = device;
+ handle = sas_device->handle;
+ sas_address_parent = sas_device->sas_address_parent;
+ sas_address = sas_device->sas_address;
+ list_move_tail(&sas_device->list, &ioc->sas_device_list);
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ if (ioc->hide_drives)
+ return;
+ if (!mpt3sas_transport_port_add(ioc, handle,
+ sas_address_parent)) {
+ _scsih_sas_device_remove(ioc, sas_device);
+ } else if (!sas_device->starget) {
+ if (!ioc->is_driver_loading) {
+ mpt3sas_transport_port_remove(ioc,
+ sas_address,
+ sas_address_parent);
+ _scsih_sas_device_remove(ioc, sas_device);
+ }
+ }
+ }
+}
+
+/**
+ * _scsih_probe_raid - reporting raid volumes to scsi-ml
+ * @ioc: per adapter object
+ *
+ * Called during initial loading of the driver.
+ */
+static void
+_scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _raid_device *raid_device, *raid_next;
+ int rc;
+
+ list_for_each_entry_safe(raid_device, raid_next,
+ &ioc->raid_device_list, list) {
+ if (raid_device->starget)
+ continue;
+ rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
+ raid_device->id, 0);
+ if (rc)
+ _scsih_raid_device_remove(ioc, raid_device);
+ }
+}
+
+static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _sas_device *sas_device = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+ if (!list_empty(&ioc->sas_device_init_list)) {
+ sas_device = list_first_entry(&ioc->sas_device_init_list,
+ struct _sas_device, list);
+ sas_device_get(sas_device);
+ }
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+
+ return sas_device;
+}
+
+static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
+ struct _sas_device *sas_device)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->sas_device_lock, flags);
+
+ /*
+ * Since we dropped the lock during the call to port_add(), we need to
+ * be careful here that somebody else didn't move or delete this item
+ * while we were busy with other things.
+ *
+ * If it was on the list, we need a put() for the reference the list
+ * had. Either way, we need a get() for the destination list.
+ */
+ if (!list_empty(&sas_device->list)) {
+ list_del_init(&sas_device->list);
+ sas_device_put(sas_device);
+ }
+
+ sas_device_get(sas_device);
+ list_add_tail(&sas_device->list, &ioc->sas_device_list);
+
+ spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
+}
+
+/**
+ * _scsih_probe_sas - reporting sas devices to sas transport
+ * @ioc: per adapter object
+ *
+ * Called during initial loading of the driver.
+ */
+static void
+_scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _sas_device *sas_device;
+
+ if (ioc->hide_drives)
+ return;
+
+ while ((sas_device = get_next_sas_device(ioc))) {
+ if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
+ sas_device->sas_address_parent)) {
+ _scsih_sas_device_remove(ioc, sas_device);
+ sas_device_put(sas_device);
+ continue;
+ } else if (!sas_device->starget) {
+ /*
+ * When asyn scanning is enabled, its not possible to
+ * remove devices while scanning is turned on due to an
+ * oops in scsi_sysfs_add_sdev()->add_device()->
+ * sysfs_addrm_start()
+ */
+ if (!ioc->is_driver_loading) {
+ mpt3sas_transport_port_remove(ioc,
+ sas_device->sas_address,
+ sas_device->sas_address_parent);
+ _scsih_sas_device_remove(ioc, sas_device);
+ sas_device_put(sas_device);
+ continue;
+ }
+ }
+ sas_device_make_active(ioc, sas_device);
+ sas_device_put(sas_device);
+ }
+}
+
+/**
+ * get_next_pcie_device - Get the next pcie device
+ * @ioc: per adapter object
+ *
+ * Get the next pcie device from pcie_device_init_list list.
+ *
+ * Return: pcie device structure if pcie_device_init_list list is not empty
+ * otherwise returns NULL
+ */
+static struct _pcie_device *get_next_pcie_device(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _pcie_device *pcie_device = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+ if (!list_empty(&ioc->pcie_device_init_list)) {
+ pcie_device = list_first_entry(&ioc->pcie_device_init_list,
+ struct _pcie_device, list);
+ pcie_device_get(pcie_device);
+ }
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+
+ return pcie_device;
+}
+
+/**
+ * pcie_device_make_active - Add pcie device to pcie_device_list list
+ * @ioc: per adapter object
+ * @pcie_device: pcie device object
+ *
+ * Add the pcie device which has registered with SCSI Transport Later to
+ * pcie_device_list list
+ */
+static void pcie_device_make_active(struct MPT3SAS_ADAPTER *ioc,
+ struct _pcie_device *pcie_device)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&ioc->pcie_device_lock, flags);
+
+ if (!list_empty(&pcie_device->list)) {
+ list_del_init(&pcie_device->list);
+ pcie_device_put(pcie_device);
+ }
+ pcie_device_get(pcie_device);
+ list_add_tail(&pcie_device->list, &ioc->pcie_device_list);
+
+ spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
+}
+
+/**
+ * _scsih_probe_pcie - reporting PCIe devices to scsi-ml
+ * @ioc: per adapter object
+ *
+ * Called during initial loading of the driver.
+ */
+static void
+_scsih_probe_pcie(struct MPT3SAS_ADAPTER *ioc)
+{
+ struct _pcie_device *pcie_device;
+ int rc;
+
+ /* PCIe Device List */
+ while ((pcie_device = get_next_pcie_device(ioc))) {
+ if (pcie_device->starget) {
+ pcie_device_put(pcie_device);
+ continue;
+ }
+ if (pcie_device->access_status ==
+ MPI26_PCIEDEV0_ASTATUS_DEVICE_BLOCKED) {
+ pcie_device_make_active(ioc, pcie_device);
+ pcie_device_put(pcie_device);
+ continue;
+ }
+ rc = scsi_add_device(ioc->shost, PCIE_CHANNEL,
+ pcie_device->id, 0);
+ if (rc) {
+ _scsih_pcie_device_remove(ioc, pcie_device);
+ pcie_device_put(pcie_device);
+ continue;
+ } else if (!pcie_device->starget) {
+ /*
+ * When async scanning is enabled, its not possible to
+ * remove devices while scanning is turned on due to an
+ * oops in scsi_sysfs_add_sdev()->add_device()->
+ * sysfs_addrm_start()
+ */
+ if (!ioc->is_driver_loading) {
+ /* TODO-- Need to find out whether this condition will
+ * occur or not
+ */
+ _scsih_pcie_device_remove(ioc, pcie_device);
+ pcie_device_put(pcie_device);
+ continue;
+ }
+ }
+ pcie_device_make_active(ioc, pcie_device);
+ pcie_device_put(pcie_device);
+ }
+}
+
+/**
+ * _scsih_probe_devices - probing for devices
+ * @ioc: per adapter object
+ *
+ * Called during initial loading of the driver.
+ */
+static void
+_scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
+{
+ u16 volume_mapping_flags;
+
+ if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
+ return; /* return when IOC doesn't support initiator mode */
+
+ _scsih_probe_boot_devices(ioc);
+
+ if (ioc->ir_firmware) {
+ volume_mapping_flags =
+ le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
+ MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
+ if (volume_mapping_flags ==
+ MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
+ _scsih_probe_raid(ioc);
+ _scsih_probe_sas(ioc);
+ } else {
+ _scsih_probe_sas(ioc);
+ _scsih_probe_raid(ioc);
+ }
+ } else {
+ _scsih_probe_sas(ioc);
+ _scsih_probe_pcie(ioc);
+ }
+}
+
+/**
+ * scsih_scan_start - scsi lld callback for .scan_start
+ * @shost: SCSI host pointer
+ *
+ * The shost has the ability to discover targets on its own instead
+ * of scanning the entire bus. In our implemention, we will kick off
+ * firmware discovery.
+ */
+static void
+scsih_scan_start(struct Scsi_Host *shost)
+{
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ int rc;
+ if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
+ mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
+
+ if (disable_discovery > 0)
+ return;
+
+ ioc->start_scan = 1;
+ rc = mpt3sas_port_enable(ioc);
+
+ if (rc != 0)
+ ioc_info(ioc, "port enable: FAILED\n");
+}
+
+/**
+ * scsih_scan_finished - scsi lld callback for .scan_finished
+ * @shost: SCSI host pointer
+ * @time: elapsed time of the scan in jiffies
+ *
+ * This function will be called periodicallyn until it returns 1 with the
+ * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
+ * we wait for firmware discovery to complete, then return 1.
+ */
+static int
+scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+
+ if (disable_discovery > 0) {
+ ioc->is_driver_loading = 0;
+ ioc->wait_for_discovery_to_complete = 0;
+ return 1;
+ }
+
+ if (time >= (300 * HZ)) {
+ ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
+ ioc_info(ioc, "port enable: FAILED with timeout (timeout=300s)\n");
+ ioc->is_driver_loading = 0;
+ return 1;
+ }
+
+ if (ioc->start_scan)
+ return 0;
+
+ if (ioc->start_scan_failed) {
+ ioc_info(ioc, "port enable: FAILED with (ioc_status=0x%08x)\n",
+ ioc->start_scan_failed);
+ ioc->is_driver_loading = 0;
+ ioc->wait_for_discovery_to_complete = 0;
+ ioc->remove_host = 1;
+ return 1;
+ }
+
+ ioc_info(ioc, "port enable: SUCCESS\n");
+ ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
+
+ if (ioc->wait_for_discovery_to_complete) {
+ ioc->wait_for_discovery_to_complete = 0;
+ _scsih_probe_devices(ioc);
+ }
+ mpt3sas_base_start_watchdog(ioc);
+ ioc->is_driver_loading = 0;
+ return 1;
+}
+
+/* shost template for SAS 2.0 HBA devices */
+static struct scsi_host_template mpt2sas_driver_template = {
+ .module = THIS_MODULE,
+ .name = "Fusion MPT SAS Host",
+ .proc_name = MPT2SAS_DRIVER_NAME,
+ .queuecommand = scsih_qcmd,
+ .target_alloc = scsih_target_alloc,
+ .slave_alloc = scsih_slave_alloc,
+ .slave_configure = scsih_slave_configure,
+ .target_destroy = scsih_target_destroy,
+ .slave_destroy = scsih_slave_destroy,
+ .scan_finished = scsih_scan_finished,
+ .scan_start = scsih_scan_start,
+ .change_queue_depth = scsih_change_queue_depth,
+ .eh_abort_handler = scsih_abort,
+ .eh_device_reset_handler = scsih_dev_reset,
+ .eh_target_reset_handler = scsih_target_reset,
+ .eh_host_reset_handler = scsih_host_reset,
+ .bios_param = scsih_bios_param,
+ .can_queue = 1,
+ .this_id = -1,
+ .sg_tablesize = MPT2SAS_SG_DEPTH,
+ .max_sectors = 32767,
+ .cmd_per_lun = 7,
+ .shost_attrs = mpt3sas_host_attrs,
+ .sdev_attrs = mpt3sas_dev_attrs,
+ .track_queue_depth = 1,
+ .cmd_size = sizeof(struct scsiio_tracker),
+};
+
+/* raid transport support for SAS 2.0 HBA devices */
+static struct raid_function_template mpt2sas_raid_functions = {
+ .cookie = &mpt2sas_driver_template,
+ .is_raid = scsih_is_raid,
+ .get_resync = scsih_get_resync,
+ .get_state = scsih_get_state,
+};
+
+/* shost template for SAS 3.0 HBA devices */
+static struct scsi_host_template mpt3sas_driver_template = {
+ .module = THIS_MODULE,
+ .name = "Fusion MPT SAS Host",
+ .proc_name = MPT3SAS_DRIVER_NAME,
+ .queuecommand = scsih_qcmd,
+ .target_alloc = scsih_target_alloc,
+ .slave_alloc = scsih_slave_alloc,
+ .slave_configure = scsih_slave_configure,
+ .target_destroy = scsih_target_destroy,
+ .slave_destroy = scsih_slave_destroy,
+ .scan_finished = scsih_scan_finished,
+ .scan_start = scsih_scan_start,
+ .change_queue_depth = scsih_change_queue_depth,
+ .eh_abort_handler = scsih_abort,
+ .eh_device_reset_handler = scsih_dev_reset,
+ .eh_target_reset_handler = scsih_target_reset,
+ .eh_host_reset_handler = scsih_host_reset,
+ .bios_param = scsih_bios_param,
+ .can_queue = 1,
+ .this_id = -1,
+ .sg_tablesize = MPT3SAS_SG_DEPTH,
+ .max_sectors = 32767,
+ .max_segment_size = 0xffffffff,
+ .cmd_per_lun = 7,
+ .shost_attrs = mpt3sas_host_attrs,
+ .sdev_attrs = mpt3sas_dev_attrs,
+ .track_queue_depth = 1,
+ .cmd_size = sizeof(struct scsiio_tracker),
+};
+
+/* raid transport support for SAS 3.0 HBA devices */
+static struct raid_function_template mpt3sas_raid_functions = {
+ .cookie = &mpt3sas_driver_template,
+ .is_raid = scsih_is_raid,
+ .get_resync = scsih_get_resync,
+ .get_state = scsih_get_state,
+};
+
+/**
+ * _scsih_determine_hba_mpi_version - determine in which MPI version class
+ * this device belongs to.
+ * @pdev: PCI device struct
+ *
+ * return MPI2_VERSION for SAS 2.0 HBA devices,
+ * MPI25_VERSION for SAS 3.0 HBA devices, and
+ * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
+ */
+static u16
+_scsih_determine_hba_mpi_version(struct pci_dev *pdev)
+{
+
+ switch (pdev->device) {
+ case MPI2_MFGPAGE_DEVID_SSS6200:
+ case MPI2_MFGPAGE_DEVID_SAS2004:
+ case MPI2_MFGPAGE_DEVID_SAS2008:
+ case MPI2_MFGPAGE_DEVID_SAS2108_1:
+ case MPI2_MFGPAGE_DEVID_SAS2108_2:
+ case MPI2_MFGPAGE_DEVID_SAS2108_3:
+ case MPI2_MFGPAGE_DEVID_SAS2116_1:
+ case MPI2_MFGPAGE_DEVID_SAS2116_2:
+ case MPI2_MFGPAGE_DEVID_SAS2208_1:
+ case MPI2_MFGPAGE_DEVID_SAS2208_2:
+ case MPI2_MFGPAGE_DEVID_SAS2208_3:
+ case MPI2_MFGPAGE_DEVID_SAS2208_4:
+ case MPI2_MFGPAGE_DEVID_SAS2208_5:
+ case MPI2_MFGPAGE_DEVID_SAS2208_6:
+ case MPI2_MFGPAGE_DEVID_SAS2308_1:
+ case MPI2_MFGPAGE_DEVID_SAS2308_2:
+ case MPI2_MFGPAGE_DEVID_SAS2308_3:
+ case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP:
+ case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1:
+ return MPI2_VERSION;
+ case MPI25_MFGPAGE_DEVID_SAS3004:
+ case MPI25_MFGPAGE_DEVID_SAS3008:
+ case MPI25_MFGPAGE_DEVID_SAS3108_1:
+ case MPI25_MFGPAGE_DEVID_SAS3108_2:
+ case MPI25_MFGPAGE_DEVID_SAS3108_5:
+ case MPI25_MFGPAGE_DEVID_SAS3108_6:
+ return MPI25_VERSION;
+ case MPI26_MFGPAGE_DEVID_SAS3216:
+ case MPI26_MFGPAGE_DEVID_SAS3224:
+ case MPI26_MFGPAGE_DEVID_SAS3316_1:
+ case MPI26_MFGPAGE_DEVID_SAS3316_2:
+ case MPI26_MFGPAGE_DEVID_SAS3316_3:
+ case MPI26_MFGPAGE_DEVID_SAS3316_4:
+ case MPI26_MFGPAGE_DEVID_SAS3324_1:
+ case MPI26_MFGPAGE_DEVID_SAS3324_2:
+ case MPI26_MFGPAGE_DEVID_SAS3324_3:
+ case MPI26_MFGPAGE_DEVID_SAS3324_4:
+ case MPI26_MFGPAGE_DEVID_SAS3508:
+ case MPI26_MFGPAGE_DEVID_SAS3508_1:
+ case MPI26_MFGPAGE_DEVID_SAS3408:
+ case MPI26_MFGPAGE_DEVID_SAS3516:
+ case MPI26_MFGPAGE_DEVID_SAS3516_1:
+ case MPI26_MFGPAGE_DEVID_SAS3416:
+ case MPI26_MFGPAGE_DEVID_SAS3616:
+ case MPI26_ATLAS_PCIe_SWITCH_DEVID:
+ case MPI26_MFGPAGE_DEVID_CFG_SEC_3916:
+ case MPI26_MFGPAGE_DEVID_HARD_SEC_3916:
+ case MPI26_MFGPAGE_DEVID_CFG_SEC_3816:
+ case MPI26_MFGPAGE_DEVID_HARD_SEC_3816:
+ return MPI26_VERSION;
+ }
+ return 0;
+}
+
+/**
+ * _scsih_probe - attach and add scsi host
+ * @pdev: PCI device struct
+ * @id: pci device id
+ *
+ * Return: 0 success, anything else error.
+ */
+static int
+_scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct MPT3SAS_ADAPTER *ioc;
+ struct Scsi_Host *shost = NULL;
+ int rv;
+ u16 hba_mpi_version;
+
+ /* Determine in which MPI version class this pci device belongs */
+ hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
+ if (hba_mpi_version == 0)
+ return -ENODEV;
+
+ /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
+ * for other generation HBA's return with -ENODEV
+ */
+ if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
+ return -ENODEV;
+
+ /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
+ * for other generation HBA's return with -ENODEV
+ */
+ if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
+ || hba_mpi_version == MPI26_VERSION)))
+ return -ENODEV;
+
+ switch (hba_mpi_version) {
+ case MPI2_VERSION:
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
+ PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+ /* Use mpt2sas driver host template for SAS 2.0 HBA's */
+ shost = scsi_host_alloc(&mpt2sas_driver_template,
+ sizeof(struct MPT3SAS_ADAPTER));
+ if (!shost)
+ return -ENODEV;
+ ioc = shost_priv(shost);
+ memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
+ ioc->hba_mpi_version_belonged = hba_mpi_version;
+ ioc->id = mpt2_ids++;
+ sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
+ switch (pdev->device) {
+ case MPI2_MFGPAGE_DEVID_SSS6200:
+ ioc->is_warpdrive = 1;
+ ioc->hide_ir_msg = 1;
+ break;
+ case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP:
+ case MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1:
+ ioc->is_mcpu_endpoint = 1;
+ break;
+ default:
+ ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
+ break;
+ }
+ break;
+ case MPI25_VERSION:
+ case MPI26_VERSION:
+ /* Use mpt3sas driver host template for SAS 3.0 HBA's */
+ shost = scsi_host_alloc(&mpt3sas_driver_template,
+ sizeof(struct MPT3SAS_ADAPTER));
+ if (!shost)
+ return -ENODEV;
+ ioc = shost_priv(shost);
+ memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
+ ioc->hba_mpi_version_belonged = hba_mpi_version;
+ ioc->id = mpt3_ids++;
+ sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
+ switch (pdev->device) {
+ case MPI26_MFGPAGE_DEVID_SAS3508:
+ case MPI26_MFGPAGE_DEVID_SAS3508_1:
+ case MPI26_MFGPAGE_DEVID_SAS3408:
+ case MPI26_MFGPAGE_DEVID_SAS3516:
+ case MPI26_MFGPAGE_DEVID_SAS3516_1:
+ case MPI26_MFGPAGE_DEVID_SAS3416:
+ case MPI26_MFGPAGE_DEVID_SAS3616:
+ case MPI26_ATLAS_PCIe_SWITCH_DEVID:
+ ioc->is_gen35_ioc = 1;
+ break;
+ case MPI26_MFGPAGE_DEVID_CFG_SEC_3816:
+ case MPI26_MFGPAGE_DEVID_CFG_SEC_3916:
+ dev_info(&pdev->dev,
+ "HBA is in Configurable Secure mode\n");
+ /* fall through */
+ case MPI26_MFGPAGE_DEVID_HARD_SEC_3816:
+ case MPI26_MFGPAGE_DEVID_HARD_SEC_3916:
+ ioc->is_aero_ioc = ioc->is_gen35_ioc = 1;
+ break;
+ default:
+ ioc->is_gen35_ioc = ioc->is_aero_ioc = 0;
+ }
+ if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
+ pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
+ (ioc->hba_mpi_version_belonged == MPI26_VERSION)) {
+ ioc->combined_reply_queue = 1;
+ if (ioc->is_gen35_ioc)
+ ioc->combined_reply_index_count =
+ MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35;
+ else
+ ioc->combined_reply_index_count =
+ MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3;
+ }
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ INIT_LIST_HEAD(&ioc->list);
+ spin_lock(&gioc_lock);
+ list_add_tail(&ioc->list, &mpt3sas_ioc_list);
+ spin_unlock(&gioc_lock);
+ ioc->shost = shost;
+ ioc->pdev = pdev;
+ ioc->scsi_io_cb_idx = scsi_io_cb_idx;
+ ioc->tm_cb_idx = tm_cb_idx;
+ ioc->ctl_cb_idx = ctl_cb_idx;
+ ioc->base_cb_idx = base_cb_idx;
+ ioc->port_enable_cb_idx = port_enable_cb_idx;
+ ioc->transport_cb_idx = transport_cb_idx;
+ ioc->scsih_cb_idx = scsih_cb_idx;
+ ioc->config_cb_idx = config_cb_idx;
+ ioc->tm_tr_cb_idx = tm_tr_cb_idx;
+ ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
+ ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
+ ioc->logging_level = logging_level;
+ ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
+ /*
+ * Enable MEMORY MOVE support flag.
+ */
+ ioc->drv_support_bitmap |= MPT_DRV_SUPPORT_BITMAP_MEMMOVE;
+
+ ioc->enable_sdev_max_qd = enable_sdev_max_qd;
+
+ /* misc semaphores and spin locks */
+ mutex_init(&ioc->reset_in_progress_mutex);
+ /* initializing pci_access_mutex lock */
+ mutex_init(&ioc->pci_access_mutex);
+ spin_lock_init(&ioc->ioc_reset_in_progress_lock);
+ spin_lock_init(&ioc->scsi_lookup_lock);
+ spin_lock_init(&ioc->sas_device_lock);
+ spin_lock_init(&ioc->sas_node_lock);
+ spin_lock_init(&ioc->fw_event_lock);
+ spin_lock_init(&ioc->raid_device_lock);
+ spin_lock_init(&ioc->pcie_device_lock);
+ spin_lock_init(&ioc->diag_trigger_lock);
+
+ INIT_LIST_HEAD(&ioc->sas_device_list);
+ INIT_LIST_HEAD(&ioc->sas_device_init_list);
+ INIT_LIST_HEAD(&ioc->sas_expander_list);
+ INIT_LIST_HEAD(&ioc->enclosure_list);
+ INIT_LIST_HEAD(&ioc->pcie_device_list);
+ INIT_LIST_HEAD(&ioc->pcie_device_init_list);
+ INIT_LIST_HEAD(&ioc->fw_event_list);
+ INIT_LIST_HEAD(&ioc->raid_device_list);
+ INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
+ INIT_LIST_HEAD(&ioc->delayed_tr_list);
+ INIT_LIST_HEAD(&ioc->delayed_sc_list);
+ INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
+ INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
+ INIT_LIST_HEAD(&ioc->reply_queue_list);
+
+ sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
+
+ /* init shost parameters */
+ shost->max_cmd_len = 32;
+ shost->max_lun = max_lun;
+ shost->transportt = mpt3sas_transport_template;
+ shost->unique_id = ioc->id;
+
+ if (ioc->is_mcpu_endpoint) {
+ /* mCPU MPI support 64K max IO */
+ shost->max_sectors = 128;
+ ioc_info(ioc, "The max_sectors value is set to %d\n",
+ shost->max_sectors);
+ } else {
+ if (max_sectors != 0xFFFF) {
+ if (max_sectors < 64) {
+ shost->max_sectors = 64;
+ ioc_warn(ioc, "Invalid value %d passed for max_sectors, range is 64 to 32767. Assigning value of 64.\n",
+ max_sectors);
+ } else if (max_sectors > 32767) {
+ shost->max_sectors = 32767;
+ ioc_warn(ioc, "Invalid value %d passed for max_sectors, range is 64 to 32767.Assigning default value of 32767.\n",
+ max_sectors);
+ } else {
+ shost->max_sectors = max_sectors & 0xFFFE;
+ ioc_info(ioc, "The max_sectors value is set to %d\n",
+ shost->max_sectors);
+ }
+ }
+ }
+ /* register EEDP capabilities with SCSI layer */
+ if (prot_mask > 0)
+ scsi_host_set_prot(shost, prot_mask);
+ else
+ scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
+ | SHOST_DIF_TYPE2_PROTECTION
+ | SHOST_DIF_TYPE3_PROTECTION);
+
+ scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
+
+ /* event thread */
+ snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
+ "fw_event_%s%d", ioc->driver_name, ioc->id);
+ ioc->firmware_event_thread = alloc_ordered_workqueue(
+ ioc->firmware_event_name, 0);
+ if (!ioc->firmware_event_thread) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ rv = -ENODEV;
+ goto out_thread_fail;
+ }
+
+ ioc->is_driver_loading = 1;
+ if ((mpt3sas_base_attach(ioc))) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ rv = -ENODEV;
+ goto out_attach_fail;
+ }
+
+ if (ioc->is_warpdrive) {
+ if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
+ ioc->hide_drives = 0;
+ else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
+ ioc->hide_drives = 1;
+ else {
+ if (mpt3sas_get_num_volumes(ioc))
+ ioc->hide_drives = 1;
+ else
+ ioc->hide_drives = 0;
+ }
+ } else
+ ioc->hide_drives = 0;
+
+ rv = scsi_add_host(shost, &pdev->dev);
+ if (rv) {
+ ioc_err(ioc, "failure at %s:%d/%s()!\n",
+ __FILE__, __LINE__, __func__);
+ goto out_add_shost_fail;
+ }
+
+ scsi_scan_host(shost);
+ return 0;
+out_add_shost_fail:
+ mpt3sas_base_detach(ioc);
+ out_attach_fail:
+ destroy_workqueue(ioc->firmware_event_thread);
+ out_thread_fail:
+ spin_lock(&gioc_lock);
+ list_del(&ioc->list);
+ spin_unlock(&gioc_lock);
+ scsi_host_put(shost);
+ return rv;
+}
+
+#ifdef CONFIG_PM
+/**
+ * scsih_suspend - power management suspend main entry point
+ * @pdev: PCI device struct
+ * @state: PM state change to (usually PCI_D3)
+ *
+ * Return: 0 success, anything else error.
+ */
+static int
+scsih_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ pci_power_t device_state;
+
+ mpt3sas_base_stop_watchdog(ioc);
+ flush_scheduled_work();
+ scsi_block_requests(shost);
+ device_state = pci_choose_state(pdev, state);
+ ioc_info(ioc, "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
+ pdev, pci_name(pdev), device_state);
+
+ pci_save_state(pdev);
+ mpt3sas_base_free_resources(ioc);
+ pci_set_power_state(pdev, device_state);
+ return 0;
+}
+
+/**
+ * scsih_resume - power management resume main entry point
+ * @pdev: PCI device struct
+ *
+ * Return: 0 success, anything else error.
+ */
+static int
+scsih_resume(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ pci_power_t device_state = pdev->current_state;
+ int r;
+
+ ioc_info(ioc, "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
+ pdev, pci_name(pdev), device_state);
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_enable_wake(pdev, PCI_D0, 0);
+ pci_restore_state(pdev);
+ ioc->pdev = pdev;
+ r = mpt3sas_base_map_resources(ioc);
+ if (r)
+ return r;
+
+ mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET);
+ scsi_unblock_requests(shost);
+ mpt3sas_base_start_watchdog(ioc);
+ return 0;
+}
+#endif /* CONFIG_PM */
+
+/**
+ * scsih_pci_error_detected - Called when a PCI error is detected.
+ * @pdev: PCI device struct
+ * @state: PCI channel state
+ *
+ * Description: Called when a PCI error is detected.
+ *
+ * Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT.
+ */
+static pci_ers_result_t
+scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+
+ ioc_info(ioc, "PCI error: detected callback, state(%d)!!\n", state);
+
+ switch (state) {
+ case pci_channel_io_normal:
+ return PCI_ERS_RESULT_CAN_RECOVER;
+ case pci_channel_io_frozen:
+ /* Fatal error, prepare for slot reset */
+ ioc->pci_error_recovery = 1;
+ scsi_block_requests(ioc->shost);
+ mpt3sas_base_stop_watchdog(ioc);
+ mpt3sas_base_free_resources(ioc);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ /* Permanent error, prepare for device removal */
+ ioc->pci_error_recovery = 1;
+ mpt3sas_base_stop_watchdog(ioc);
+ _scsih_flush_running_cmds(ioc);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * scsih_pci_slot_reset - Called when PCI slot has been reset.
+ * @pdev: PCI device struct
+ *
+ * Description: This routine is called by the pci error recovery
+ * code after the PCI slot has been reset, just before we
+ * should resume normal operations.
+ */
+static pci_ers_result_t
+scsih_pci_slot_reset(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+ int rc;
+
+ ioc_info(ioc, "PCI error: slot reset callback!!\n");
+
+ ioc->pci_error_recovery = 0;
+ ioc->pdev = pdev;
+ pci_restore_state(pdev);
+ rc = mpt3sas_base_map_resources(ioc);
+ if (rc)
+ return PCI_ERS_RESULT_DISCONNECT;
+
+ rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
+
+ ioc_warn(ioc, "hard reset: %s\n",
+ (rc == 0) ? "success" : "failed");
+
+ if (!rc)
+ return PCI_ERS_RESULT_RECOVERED;
+ else
+ return PCI_ERS_RESULT_DISCONNECT;
+}
+
+/**
+ * scsih_pci_resume() - resume normal ops after PCI reset
+ * @pdev: pointer to PCI device
+ *
+ * Called when the error recovery driver tells us that its
+ * OK to resume normal operation. Use completion to allow
+ * halted scsi ops to resume.
+ */
+static void
+scsih_pci_resume(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+
+ ioc_info(ioc, "PCI error: resume callback!!\n");
+
+ mpt3sas_base_start_watchdog(ioc);
+ scsi_unblock_requests(ioc->shost);
+}
+
+/**
+ * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
+ * @pdev: pointer to PCI device
+ */
+static pci_ers_result_t
+scsih_pci_mmio_enabled(struct pci_dev *pdev)
+{
+ struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
+
+ ioc_info(ioc, "PCI error: mmio enabled callback!!\n");
+
+ /* TODO - dump whatever for debugging purposes */
+
+ /* This called only if scsih_pci_error_detected returns
+ * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still
+ * works, no need to reset slot.
+ */
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * scsih__ncq_prio_supp - Check for NCQ command priority support
+ * @sdev: scsi device struct
+ *
+ * This is called when a user indicates they would like to enable
+ * ncq command priorities. This works only on SATA devices.
+ */
+bool scsih_ncq_prio_supp(struct scsi_device *sdev)
+{
+ unsigned char *buf;
+ bool ncq_prio_supp = false;
+
+ if (!scsi_device_supports_vpd(sdev))
+ return ncq_prio_supp;
+
+ buf = kmalloc(SCSI_VPD_PG_LEN, GFP_KERNEL);
+ if (!buf)
+ return ncq_prio_supp;
+
+ if (!scsi_get_vpd_page(sdev, 0x89, buf, SCSI_VPD_PG_LEN))
+ ncq_prio_supp = (buf[213] >> 4) & 1;
+
+ kfree(buf);
+ return ncq_prio_supp;
+}
+/*
+ * The pci device ids are defined in mpi/mpi2_cnfg.h.
+ */
+static const struct pci_device_id mpt3sas_pci_table[] = {
+ /* Spitfire ~ 2004 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Falcon ~ 2008 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Liberator ~ 2108 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Meteor ~ 2116 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Thunderbolt ~ 2208 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Mustang ~ 2308 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SWITCH_MPI_EP_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* SSS6200 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Fury ~ 3004 and 3008 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Invader ~ 3108 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Cutlass ~ 3216 and 3224 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Intruder ~ 3316 and 3324 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Ventura, Crusader, Harpoon & Tomcat ~ 3516, 3416, 3508 & 3408*/
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3408,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3416,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Mercator ~ 3616*/
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3616,
+ PCI_ANY_ID, PCI_ANY_ID },
+
+ /* Aero SI 0x00E1 Configurable Secure
+ * 0x00E2 Hard Secure
+ */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_CFG_SEC_3916,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_HARD_SEC_3916,
+ PCI_ANY_ID, PCI_ANY_ID },
+
+ /* Atlas PCIe Switch Management Port */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_ATLAS_PCIe_SWITCH_DEVID,
+ PCI_ANY_ID, PCI_ANY_ID },
+
+ /* Sea SI 0x00E5 Configurable Secure
+ * 0x00E6 Hard Secure
+ */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_CFG_SEC_3816,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_HARD_SEC_3816,
+ PCI_ANY_ID, PCI_ANY_ID },
+
+ {0} /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
+
+static struct pci_error_handlers _mpt3sas_err_handler = {
+ .error_detected = scsih_pci_error_detected,
+ .mmio_enabled = scsih_pci_mmio_enabled,
+ .slot_reset = scsih_pci_slot_reset,
+ .resume = scsih_pci_resume,
+};
+
+static struct pci_driver mpt3sas_driver = {
+ .name = MPT3SAS_DRIVER_NAME,
+ .id_table = mpt3sas_pci_table,
+ .probe = _scsih_probe,
+ .remove = scsih_remove,
+ .shutdown = scsih_shutdown,
+ .err_handler = &_mpt3sas_err_handler,
+#ifdef CONFIG_PM
+ .suspend = scsih_suspend,
+ .resume = scsih_resume,
+#endif
+};
+
+/**
+ * scsih_init - main entry point for this driver.
+ *
+ * Return: 0 success, anything else error.
+ */
+static int
+scsih_init(void)
+{
+ mpt2_ids = 0;
+ mpt3_ids = 0;
+
+ mpt3sas_base_initialize_callback_handler();
+
+ /* queuecommand callback hander */
+ scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
+
+ /* task management callback handler */
+ tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
+
+ /* base internal commands callback handler */
+ base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
+ port_enable_cb_idx = mpt3sas_base_register_callback_handler(
+ mpt3sas_port_enable_done);
+
+ /* transport internal commands callback handler */
+ transport_cb_idx = mpt3sas_base_register_callback_handler(
+ mpt3sas_transport_done);
+
+ /* scsih internal commands callback handler */
+ scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
+
+ /* configuration page API internal commands callback handler */
+ config_cb_idx = mpt3sas_base_register_callback_handler(
+ mpt3sas_config_done);
+
+ /* ctl module callback handler */
+ ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
+
+ tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
+ _scsih_tm_tr_complete);
+
+ tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
+ _scsih_tm_volume_tr_complete);
+
+ tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
+ _scsih_sas_control_complete);
+
+ return 0;
+}
+
+/**
+ * scsih_exit - exit point for this driver (when it is a module).
+ *
+ * Return: 0 success, anything else error.
+ */
+static void
+scsih_exit(void)
+{
+
+ mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
+ mpt3sas_base_release_callback_handler(tm_cb_idx);
+ mpt3sas_base_release_callback_handler(base_cb_idx);
+ mpt3sas_base_release_callback_handler(port_enable_cb_idx);
+ mpt3sas_base_release_callback_handler(transport_cb_idx);
+ mpt3sas_base_release_callback_handler(scsih_cb_idx);
+ mpt3sas_base_release_callback_handler(config_cb_idx);
+ mpt3sas_base_release_callback_handler(ctl_cb_idx);
+
+ mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
+ mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
+ mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
+
+/* raid transport support */
+ if (hbas_to_enumerate != 1)
+ raid_class_release(mpt3sas_raid_template);
+ if (hbas_to_enumerate != 2)
+ raid_class_release(mpt2sas_raid_template);
+ sas_release_transport(mpt3sas_transport_template);
+}
+
+/**
+ * _mpt3sas_init - main entry point for this driver.
+ *
+ * Return: 0 success, anything else error.
+ */
+static int __init
+_mpt3sas_init(void)
+{
+ int error;
+
+ pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
+ MPT3SAS_DRIVER_VERSION);
+
+ mpt3sas_transport_template =
+ sas_attach_transport(&mpt3sas_transport_functions);
+ if (!mpt3sas_transport_template)
+ return -ENODEV;
+
+ /* No need attach mpt3sas raid functions template
+ * if hbas_to_enumarate value is one.
+ */
+ if (hbas_to_enumerate != 1) {
+ mpt3sas_raid_template =
+ raid_class_attach(&mpt3sas_raid_functions);
+ if (!mpt3sas_raid_template) {
+ sas_release_transport(mpt3sas_transport_template);
+ return -ENODEV;
+ }
+ }
+
+ /* No need to attach mpt2sas raid functions template
+ * if hbas_to_enumarate value is two
+ */
+ if (hbas_to_enumerate != 2) {
+ mpt2sas_raid_template =
+ raid_class_attach(&mpt2sas_raid_functions);
+ if (!mpt2sas_raid_template) {
+ sas_release_transport(mpt3sas_transport_template);
+ return -ENODEV;
+ }
+ }
+
+ error = scsih_init();
+ if (error) {
+ scsih_exit();
+ return error;
+ }
+
+ mpt3sas_ctl_init(hbas_to_enumerate);
+
+ error = pci_register_driver(&mpt3sas_driver);
+ if (error) {
+ mpt3sas_ctl_exit(hbas_to_enumerate);
+ scsih_exit();
+ }
+
+ return error;
+}
+
+/**
+ * _mpt3sas_exit - exit point for this driver (when it is a module).
+ *
+ */
+static void __exit
+_mpt3sas_exit(void)
+{
+ pr_info("mpt3sas version %s unloading\n",
+ MPT3SAS_DRIVER_VERSION);
+
+ mpt3sas_ctl_exit(hbas_to_enumerate);
+
+ pci_unregister_driver(&mpt3sas_driver);
+
+ scsih_exit();
+}
+
+module_init(_mpt3sas_init);
+module_exit(_mpt3sas_exit);