|  | /* | 
|  | *  ahci.c - AHCI SATA support | 
|  | * | 
|  | *  Maintained by:  Jeff Garzik <jgarzik@pobox.com> | 
|  | *    		    Please ALWAYS copy linux-ide@vger.kernel.org | 
|  | *		    on emails. | 
|  | * | 
|  | *  Copyright 2004-2005 Red Hat, Inc. | 
|  | * | 
|  | * | 
|  | *  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, 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. | 
|  | * | 
|  | *  You should have received a copy of the GNU General Public License | 
|  | *  along with this program; see the file COPYING.  If not, write to | 
|  | *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | 
|  | * | 
|  | * | 
|  | * libata documentation is available via 'make {ps|pdf}docs', | 
|  | * as Documentation/DocBook/libata.* | 
|  | * | 
|  | * AHCI hardware documentation: | 
|  | * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf | 
|  | * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/blkdev.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/dma-mapping.h> | 
|  | #include <linux/device.h> | 
|  | #include <linux/dmi.h> | 
|  | #include <linux/gfp.h> | 
|  | #include <scsi/scsi_host.h> | 
|  | #include <scsi/scsi_cmnd.h> | 
|  | #include <linux/libata.h> | 
|  | #include "ahci.h" | 
|  |  | 
|  | #define DRV_NAME	"ahci" | 
|  | #define DRV_VERSION	"3.0" | 
|  |  | 
|  | enum { | 
|  | AHCI_PCI_BAR_STA2X11	= 0, | 
|  | AHCI_PCI_BAR_ENMOTUS	= 2, | 
|  | AHCI_PCI_BAR_STANDARD	= 5, | 
|  | }; | 
|  |  | 
|  | enum board_ids { | 
|  | /* board IDs by feature in alphabetical order */ | 
|  | board_ahci, | 
|  | board_ahci_ign_iferr, | 
|  | board_ahci_nomsi, | 
|  | board_ahci_noncq, | 
|  | board_ahci_nosntf, | 
|  | board_ahci_yes_fbs, | 
|  |  | 
|  | /* board IDs for specific chipsets in alphabetical order */ | 
|  | board_ahci_avn, | 
|  | board_ahci_mcp65, | 
|  | board_ahci_mcp77, | 
|  | board_ahci_mcp89, | 
|  | board_ahci_mv, | 
|  | board_ahci_sb600, | 
|  | board_ahci_sb700,	/* for SB700 and SB800 */ | 
|  | board_ahci_vt8251, | 
|  |  | 
|  | /* aliases */ | 
|  | board_ahci_mcp_linux	= board_ahci_mcp65, | 
|  | board_ahci_mcp67	= board_ahci_mcp65, | 
|  | board_ahci_mcp73	= board_ahci_mcp65, | 
|  | board_ahci_mcp79	= board_ahci_mcp77, | 
|  | }; | 
|  |  | 
|  | static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); | 
|  | static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline); | 
|  | static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline); | 
|  | static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline); | 
|  | #ifdef CONFIG_PM | 
|  | static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); | 
|  | static int ahci_pci_device_resume(struct pci_dev *pdev); | 
|  | #endif | 
|  |  | 
|  | static struct scsi_host_template ahci_sht = { | 
|  | AHCI_SHT("ahci"), | 
|  | }; | 
|  |  | 
|  | static struct ata_port_operations ahci_vt8251_ops = { | 
|  | .inherits		= &ahci_ops, | 
|  | .hardreset		= ahci_vt8251_hardreset, | 
|  | }; | 
|  |  | 
|  | static struct ata_port_operations ahci_p5wdh_ops = { | 
|  | .inherits		= &ahci_ops, | 
|  | .hardreset		= ahci_p5wdh_hardreset, | 
|  | }; | 
|  |  | 
|  | static struct ata_port_operations ahci_avn_ops = { | 
|  | .inherits		= &ahci_ops, | 
|  | .hardreset		= ahci_avn_hardreset, | 
|  | }; | 
|  |  | 
|  | static const struct ata_port_info ahci_port_info[] = { | 
|  | /* by features */ | 
|  | [board_ahci] = | 
|  | { | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_ign_iferr] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_IGN_IRQ_IF_ERR), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_nomsi] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_MSI), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_noncq] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_nosntf] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_SNTF), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_yes_fbs] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_YES_FBS), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | /* by chipsets */ | 
|  | [board_ahci_avn] = { | 
|  | .flags          = AHCI_FLAG_COMMON, | 
|  | .pio_mask       = ATA_PIO4, | 
|  | .udma_mask      = ATA_UDMA6, | 
|  | .port_ops       = &ahci_avn_ops, | 
|  | }, | 
|  | [board_ahci_mcp65] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP | | 
|  | AHCI_HFLAG_YES_NCQ), | 
|  | .flags		= AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_mcp77] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_mcp89] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_FPDMA_AA), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_mv] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI | | 
|  | AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP), | 
|  | .flags		= ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_sb600] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL | | 
|  | AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 | | 
|  | AHCI_HFLAG_32BIT_ONLY), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_pmp_retry_srst_ops, | 
|  | }, | 
|  | [board_ahci_sb700] =	/* for SB700 and SB800 */ | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_pmp_retry_srst_ops, | 
|  | }, | 
|  | [board_ahci_vt8251] = | 
|  | { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_vt8251_ops, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static const struct pci_device_id ahci_pci_tbl[] = { | 
|  | /* Intel */ | 
|  | { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */ | 
|  | { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */ | 
|  | { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */ | 
|  | { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */ | 
|  | { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */ | 
|  | { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */ | 
|  | { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */ | 
|  | { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */ | 
|  | { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */ | 
|  |  | 
|  | /* JMicron 360/1/3/5/6, match class to avoid IDE function */ | 
|  | { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr }, | 
|  |  | 
|  | /* ATI */ | 
|  | { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */ | 
|  | { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  |  | 
|  | /* AMD */ | 
|  | { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */ | 
|  | { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */ | 
|  | /* AMD is using RAID class only for ahci controllers */ | 
|  | { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci }, | 
|  |  | 
|  | /* VIA */ | 
|  | { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */ | 
|  | { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */ | 
|  |  | 
|  | /* NVIDIA */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 },	/* MCP89 */ | 
|  |  | 
|  | /* SiS */ | 
|  | { PCI_VDEVICE(SI, 0x1184), board_ahci },		/* SiS 966 */ | 
|  | { PCI_VDEVICE(SI, 0x1185), board_ahci },		/* SiS 968 */ | 
|  | { PCI_VDEVICE(SI, 0x0186), board_ahci },		/* SiS 968 */ | 
|  |  | 
|  | /* ST Microelectronics */ | 
|  | { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci },		/* ST ConneXt */ | 
|  |  | 
|  | /* Marvell */ | 
|  | { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv },	/* 6145 */ | 
|  | { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv },	/* 6121 */ | 
|  | { PCI_DEVICE(0x1b4b, 0x9123), | 
|  | .class = PCI_CLASS_STORAGE_SATA_AHCI, | 
|  | .class_mask = 0xffffff, | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9128 */ | 
|  | { PCI_DEVICE(0x1b4b, 0x9125), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9125 */ | 
|  | { PCI_DEVICE(0x1b4b, 0x917a), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9172 */ | 
|  | { PCI_DEVICE(0x1b4b, 0x9182), | 
|  | .driver_data = board_ahci_yes_fbs },                  /* 88se9182 */ | 
|  | { PCI_DEVICE(0x1b4b, 0x9192), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9172 on some Gigabyte */ | 
|  | { PCI_DEVICE(0x1b4b, 0x91a3), | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  | { PCI_DEVICE(0x1b4b, 0x9230), | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  |  | 
|  | /* Promise */ | 
|  | { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },	/* PDC42819 */ | 
|  | { PCI_VDEVICE(PROMISE, 0x3781), board_ahci },   /* FastTrak TX8660 ahci-mode */ | 
|  |  | 
|  | /* Asmedia */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci },	/* ASM1060 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci },	/* ASM1060 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci },	/* ASM1061 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci },	/* ASM1062 */ | 
|  |  | 
|  | /* | 
|  | * Samsung SSDs found on some macbooks.  NCQ times out if MSI is | 
|  | * enabled.  https://bugzilla.kernel.org/show_bug.cgi?id=60731 | 
|  | */ | 
|  | { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi }, | 
|  | { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi }, | 
|  |  | 
|  | /* Enmotus */ | 
|  | { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, | 
|  |  | 
|  | /* Generic, PCI class code for AHCI */ | 
|  | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci }, | 
|  |  | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  |  | 
|  |  | 
|  | static struct pci_driver ahci_pci_driver = { | 
|  | .name			= DRV_NAME, | 
|  | .id_table		= ahci_pci_tbl, | 
|  | .probe			= ahci_init_one, | 
|  | .remove			= ata_pci_remove_one, | 
|  | #ifdef CONFIG_PM | 
|  | .suspend		= ahci_pci_device_suspend, | 
|  | .resume			= ahci_pci_device_resume, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE) | 
|  | static int marvell_enable; | 
|  | #else | 
|  | static int marvell_enable = 1; | 
|  | #endif | 
|  | module_param(marvell_enable, int, 0644); | 
|  | MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)"); | 
|  |  | 
|  |  | 
|  | static void ahci_pci_save_initial_config(struct pci_dev *pdev, | 
|  | struct ahci_host_priv *hpriv) | 
|  | { | 
|  | unsigned int force_port_map = 0; | 
|  | unsigned int mask_port_map = 0; | 
|  |  | 
|  | if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { | 
|  | dev_info(&pdev->dev, "JMB361 has only one port\n"); | 
|  | force_port_map = 1; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Temporary Marvell 6145 hack: PATA port presence | 
|  | * is asserted through the standard AHCI port | 
|  | * presence register, as bit 4 (counting from 0) | 
|  | */ | 
|  | if (hpriv->flags & AHCI_HFLAG_MV_PATA) { | 
|  | if (pdev->device == 0x6121) | 
|  | mask_port_map = 0x3; | 
|  | else | 
|  | mask_port_map = 0xf; | 
|  | dev_info(&pdev->dev, | 
|  | "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n"); | 
|  | } | 
|  |  | 
|  | ahci_save_initial_config(&pdev->dev, hpriv, force_port_map, | 
|  | mask_port_map); | 
|  | } | 
|  |  | 
|  | static int ahci_pci_reset_controller(struct ata_host *host) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  |  | 
|  | ahci_reset_controller(host); | 
|  |  | 
|  | if (pdev->vendor == PCI_VENDOR_ID_INTEL) { | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  | u16 tmp16; | 
|  |  | 
|  | /* configure PCS */ | 
|  | pci_read_config_word(pdev, 0x92, &tmp16); | 
|  | if ((tmp16 & hpriv->port_map) != hpriv->port_map) { | 
|  | tmp16 |= hpriv->port_map; | 
|  | pci_write_config_word(pdev, 0x92, tmp16); | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void ahci_pci_init_controller(struct ata_host *host) | 
|  | { | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  | void __iomem *port_mmio; | 
|  | u32 tmp; | 
|  | int mv; | 
|  |  | 
|  | if (hpriv->flags & AHCI_HFLAG_MV_PATA) { | 
|  | if (pdev->device == 0x6121) | 
|  | mv = 2; | 
|  | else | 
|  | mv = 4; | 
|  | port_mmio = __ahci_port_base(host, mv); | 
|  |  | 
|  | writel(0, port_mmio + PORT_IRQ_MASK); | 
|  |  | 
|  | /* clear port IRQ */ | 
|  | tmp = readl(port_mmio + PORT_IRQ_STAT); | 
|  | VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp); | 
|  | if (tmp) | 
|  | writel(tmp, port_mmio + PORT_IRQ_STAT); | 
|  | } | 
|  |  | 
|  | ahci_init_controller(host); | 
|  | } | 
|  |  | 
|  | static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline) | 
|  | { | 
|  | struct ata_port *ap = link->ap; | 
|  | bool online; | 
|  | int rc; | 
|  |  | 
|  | DPRINTK("ENTER\n"); | 
|  |  | 
|  | ahci_stop_engine(ap); | 
|  |  | 
|  | rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), | 
|  | deadline, &online, NULL); | 
|  |  | 
|  | ahci_start_engine(ap); | 
|  |  | 
|  | DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class); | 
|  |  | 
|  | /* vt8251 doesn't clear BSY on signature FIS reception, | 
|  | * request follow-up softreset. | 
|  | */ | 
|  | return online ? -EAGAIN : rc; | 
|  | } | 
|  |  | 
|  | static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline) | 
|  | { | 
|  | struct ata_port *ap = link->ap; | 
|  | struct ahci_port_priv *pp = ap->private_data; | 
|  | u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; | 
|  | struct ata_taskfile tf; | 
|  | bool online; | 
|  | int rc; | 
|  |  | 
|  | ahci_stop_engine(ap); | 
|  |  | 
|  | /* clear D2H reception area to properly wait for D2H FIS */ | 
|  | ata_tf_init(link->device, &tf); | 
|  | tf.command = 0x80; | 
|  | ata_tf_to_fis(&tf, 0, 0, d2h_fis); | 
|  |  | 
|  | rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), | 
|  | deadline, &online, NULL); | 
|  |  | 
|  | ahci_start_engine(ap); | 
|  |  | 
|  | /* The pseudo configuration device on SIMG4726 attached to | 
|  | * ASUS P5W-DH Deluxe doesn't send signature FIS after | 
|  | * hardreset if no device is attached to the first downstream | 
|  | * port && the pseudo device locks up on SRST w/ PMP==0.  To | 
|  | * work around this, wait for !BSY only briefly.  If BSY isn't | 
|  | * cleared, perform CLO and proceed to IDENTIFY (achieved by | 
|  | * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA). | 
|  | * | 
|  | * Wait for two seconds.  Devices attached to downstream port | 
|  | * which can't process the following IDENTIFY after this will | 
|  | * have to be reset again.  For most cases, this should | 
|  | * suffice while making probing snappish enough. | 
|  | */ | 
|  | if (online) { | 
|  | rc = ata_wait_after_reset(link, jiffies + 2 * HZ, | 
|  | ahci_check_ready); | 
|  | if (rc) | 
|  | ahci_kick_engine(ap); | 
|  | } | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports. | 
|  | * | 
|  | * It has been observed with some SSDs that the timing of events in the | 
|  | * link synchronization phase can leave the port in a state that can not | 
|  | * be recovered by a SATA-hard-reset alone.  The failing signature is | 
|  | * SStatus.DET stuck at 1 ("Device presence detected but Phy | 
|  | * communication not established").  It was found that unloading and | 
|  | * reloading the driver when this problem occurs allows the drive | 
|  | * connection to be recovered (DET advanced to 0x3).  The critical | 
|  | * component of reloading the driver is that the port state machines are | 
|  | * reset by bouncing "port enable" in the AHCI PCS configuration | 
|  | * register.  So, reproduce that effect by bouncing a port whenever we | 
|  | * see DET==1 after a reset. | 
|  | */ | 
|  | static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline) | 
|  | { | 
|  | const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context); | 
|  | struct ata_port *ap = link->ap; | 
|  | struct ahci_port_priv *pp = ap->private_data; | 
|  | u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; | 
|  | unsigned long tmo = deadline - jiffies; | 
|  | struct ata_taskfile tf; | 
|  | bool online; | 
|  | int rc, i; | 
|  |  | 
|  | DPRINTK("ENTER\n"); | 
|  |  | 
|  | ahci_stop_engine(ap); | 
|  |  | 
|  | for (i = 0; i < 2; i++) { | 
|  | u16 val; | 
|  | u32 sstatus; | 
|  | int port = ap->port_no; | 
|  | struct ata_host *host = ap->host; | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  |  | 
|  | /* clear D2H reception area to properly wait for D2H FIS */ | 
|  | ata_tf_init(link->device, &tf); | 
|  | tf.command = ATA_BUSY; | 
|  | ata_tf_to_fis(&tf, 0, 0, d2h_fis); | 
|  |  | 
|  | rc = sata_link_hardreset(link, timing, deadline, &online, | 
|  | ahci_check_ready); | 
|  |  | 
|  | if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 || | 
|  | (sstatus & 0xf) != 1) | 
|  | break; | 
|  |  | 
|  | ata_link_printk(link, KERN_INFO, "avn bounce port%d\n", | 
|  | port); | 
|  |  | 
|  | pci_read_config_word(pdev, 0x92, &val); | 
|  | val &= ~(1 << port); | 
|  | pci_write_config_word(pdev, 0x92, val); | 
|  | ata_msleep(ap, 1000); | 
|  | val |= 1 << port; | 
|  | pci_write_config_word(pdev, 0x92, val); | 
|  | deadline += tmo; | 
|  | } | 
|  |  | 
|  | ahci_start_engine(ap); | 
|  |  | 
|  | if (online) | 
|  | *class = ahci_dev_classify(ap); | 
|  |  | 
|  | DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg) | 
|  | { | 
|  | struct ata_host *host = dev_get_drvdata(&pdev->dev); | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  | void __iomem *mmio = hpriv->mmio; | 
|  | u32 ctl; | 
|  |  | 
|  | if (mesg.event & PM_EVENT_SUSPEND && | 
|  | hpriv->flags & AHCI_HFLAG_NO_SUSPEND) { | 
|  | dev_err(&pdev->dev, | 
|  | "BIOS update required for suspend/resume\n"); | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | if (mesg.event & PM_EVENT_SLEEP) { | 
|  | /* AHCI spec rev1.1 section 8.3.3: | 
|  | * Software must disable interrupts prior to requesting a | 
|  | * transition of the HBA to D3 state. | 
|  | */ | 
|  | ctl = readl(mmio + HOST_CTL); | 
|  | ctl &= ~HOST_IRQ_EN; | 
|  | writel(ctl, mmio + HOST_CTL); | 
|  | readl(mmio + HOST_CTL); /* flush */ | 
|  | } | 
|  |  | 
|  | return ata_pci_device_suspend(pdev, mesg); | 
|  | } | 
|  |  | 
|  | static int ahci_pci_device_resume(struct pci_dev *pdev) | 
|  | { | 
|  | struct ata_host *host = dev_get_drvdata(&pdev->dev); | 
|  | int rc; | 
|  |  | 
|  | rc = ata_pci_device_do_resume(pdev); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { | 
|  | rc = ahci_pci_reset_controller(host); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | ahci_pci_init_controller(host); | 
|  | } | 
|  |  | 
|  | ata_host_resume(host); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac) | 
|  | { | 
|  | int rc; | 
|  |  | 
|  | /* | 
|  | * If the device fixup already set the dma_mask to some non-standard | 
|  | * value, don't extend it here. This happens on STA2X11, for example. | 
|  | */ | 
|  | if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32)) | 
|  | return 0; | 
|  |  | 
|  | if (using_dac && | 
|  | !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { | 
|  | rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | 
|  | if (rc) { | 
|  | rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | 
|  | if (rc) { | 
|  | dev_err(&pdev->dev, | 
|  | "64-bit DMA enable failed\n"); | 
|  | return rc; | 
|  | } | 
|  | } | 
|  | } else { | 
|  | rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | 
|  | if (rc) { | 
|  | dev_err(&pdev->dev, "32-bit DMA enable failed\n"); | 
|  | return rc; | 
|  | } | 
|  | rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | 
|  | if (rc) { | 
|  | dev_err(&pdev->dev, | 
|  | "32-bit consistent DMA enable failed\n"); | 
|  | return rc; | 
|  | } | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void ahci_pci_print_info(struct ata_host *host) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  | u16 cc; | 
|  | const char *scc_s; | 
|  |  | 
|  | pci_read_config_word(pdev, 0x0a, &cc); | 
|  | if (cc == PCI_CLASS_STORAGE_IDE) | 
|  | scc_s = "IDE"; | 
|  | else if (cc == PCI_CLASS_STORAGE_SATA) | 
|  | scc_s = "SATA"; | 
|  | else if (cc == PCI_CLASS_STORAGE_RAID) | 
|  | scc_s = "RAID"; | 
|  | else | 
|  | scc_s = "unknown"; | 
|  |  | 
|  | ahci_print_info(host, scc_s); | 
|  | } | 
|  |  | 
|  | /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is | 
|  | * hardwired to on-board SIMG 4726.  The chipset is ICH8 and doesn't | 
|  | * support PMP and the 4726 either directly exports the device | 
|  | * attached to the first downstream port or acts as a hardware storage | 
|  | * controller and emulate a single ATA device (can be RAID 0/1 or some | 
|  | * other configuration). | 
|  | * | 
|  | * When there's no device attached to the first downstream port of the | 
|  | * 4726, "Config Disk" appears, which is a pseudo ATA device to | 
|  | * configure the 4726.  However, ATA emulation of the device is very | 
|  | * lame.  It doesn't send signature D2H Reg FIS after the initial | 
|  | * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues. | 
|  | * | 
|  | * The following function works around the problem by always using | 
|  | * hardreset on the port and not depending on receiving signature FIS | 
|  | * afterward.  If signature FIS isn't received soon, ATA class is | 
|  | * assumed without follow-up softreset. | 
|  | */ | 
|  | static void ahci_p5wdh_workaround(struct ata_host *host) | 
|  | { | 
|  | static struct dmi_system_id sysids[] = { | 
|  | { | 
|  | .ident = "P5W DH Deluxe", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, | 
|  | "ASUSTEK COMPUTER INC"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"), | 
|  | }, | 
|  | }, | 
|  | { } | 
|  | }; | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  |  | 
|  | if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) && | 
|  | dmi_check_system(sysids)) { | 
|  | struct ata_port *ap = host->ports[1]; | 
|  |  | 
|  | dev_info(&pdev->dev, | 
|  | "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n"); | 
|  |  | 
|  | ap->ops = &ahci_p5wdh_ops; | 
|  | ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* only some SB600 ahci controllers can do 64bit DMA */ | 
|  | static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * The oldest version known to be broken is 0901 and | 
|  | * working is 1501 which was released on 2007-10-26. | 
|  | * Enable 64bit DMA on 1501 and anything newer. | 
|  | * | 
|  | * Please read bko#9412 for more info. | 
|  | */ | 
|  | { | 
|  | .ident = "ASUS M2A-VM", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "ASUSTeK Computer INC."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"), | 
|  | }, | 
|  | .driver_data = "20071026",	/* yyyymmdd */ | 
|  | }, | 
|  | /* | 
|  | * All BIOS versions for the MSI K9A2 Platinum (MS-7376) | 
|  | * support 64bit DMA. | 
|  | * | 
|  | * BIOS versions earlier than 1.5 had the Manufacturer DMI | 
|  | * fields as "MICRO-STAR INTERANTIONAL CO.,LTD". | 
|  | * This spelling mistake was fixed in BIOS version 1.5, so | 
|  | * 1.5 and later have the Manufacturer as | 
|  | * "MICRO-STAR INTERNATIONAL CO.,LTD". | 
|  | * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER". | 
|  | * | 
|  | * BIOS versions earlier than 1.9 had a Board Product Name | 
|  | * DMI field of "MS-7376". This was changed to be | 
|  | * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still | 
|  | * match on DMI_BOARD_NAME of "MS-7376". | 
|  | */ | 
|  | { | 
|  | .ident = "MSI K9A2 Platinum", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "MICRO-STAR INTER"), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "MS-7376"), | 
|  | }, | 
|  | }, | 
|  | /* | 
|  | * All BIOS versions for the Asus M3A support 64bit DMA. | 
|  | * (all release versions from 0301 to 1206 were tested) | 
|  | */ | 
|  | { | 
|  | .ident = "ASUS M3A", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "ASUSTeK Computer INC."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "M3A"), | 
|  | }, | 
|  | }, | 
|  | { } | 
|  | }; | 
|  | const struct dmi_system_id *match; | 
|  | int year, month, date; | 
|  | char buf[9]; | 
|  |  | 
|  | match = dmi_first_match(sysids); | 
|  | if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) || | 
|  | !match) | 
|  | return false; | 
|  |  | 
|  | if (!match->driver_data) | 
|  | goto enable_64bit; | 
|  |  | 
|  | dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); | 
|  | snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); | 
|  |  | 
|  | if (strcmp(buf, match->driver_data) >= 0) | 
|  | goto enable_64bit; | 
|  | else { | 
|  | dev_warn(&pdev->dev, | 
|  | "%s: BIOS too old, forcing 32bit DMA, update BIOS\n", | 
|  | match->ident); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | enable_64bit: | 
|  | dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident); | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool ahci_broken_system_poweroff(struct pci_dev *pdev) | 
|  | { | 
|  | static const struct dmi_system_id broken_systems[] = { | 
|  | { | 
|  | .ident = "HP Compaq nx6310", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"), | 
|  | }, | 
|  | /* PCI slot number of the controller */ | 
|  | .driver_data = (void *)0x1FUL, | 
|  | }, | 
|  | { | 
|  | .ident = "HP Compaq 6720s", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"), | 
|  | }, | 
|  | /* PCI slot number of the controller */ | 
|  | .driver_data = (void *)0x1FUL, | 
|  | }, | 
|  |  | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  | const struct dmi_system_id *dmi = dmi_first_match(broken_systems); | 
|  |  | 
|  | if (dmi) { | 
|  | unsigned long slot = (unsigned long)dmi->driver_data; | 
|  | /* apply the quirk only to on-board controllers */ | 
|  | return slot == PCI_SLOT(pdev->devfn); | 
|  | } | 
|  |  | 
|  | return false; | 
|  | } | 
|  |  | 
|  | static bool ahci_broken_suspend(struct pci_dev *pdev) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * On HP dv[4-6] and HDX18 with earlier BIOSen, link | 
|  | * to the harddisk doesn't become online after | 
|  | * resuming from STR.  Warn and fail suspend. | 
|  | * | 
|  | * http://bugzilla.kernel.org/show_bug.cgi?id=12276 | 
|  | * | 
|  | * Use dates instead of versions to match as HP is | 
|  | * apparently recycling both product and version | 
|  | * strings. | 
|  | * | 
|  | * http://bugzilla.kernel.org/show_bug.cgi?id=15462 | 
|  | */ | 
|  | { | 
|  | .ident = "dv4", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP Pavilion dv4 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090105",	/* F.30 */ | 
|  | }, | 
|  | { | 
|  | .ident = "dv5", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP Pavilion dv5 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090506",	/* F.16 */ | 
|  | }, | 
|  | { | 
|  | .ident = "dv6", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP Pavilion dv6 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090423",	/* F.21 */ | 
|  | }, | 
|  | { | 
|  | .ident = "HDX18", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP HDX18 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090430",	/* F.23 */ | 
|  | }, | 
|  | /* | 
|  | * Acer eMachines G725 has the same problem.  BIOS | 
|  | * V1.03 is known to be broken.  V3.04 is known to | 
|  | * work.  Between, there are V1.06, V2.06 and V3.03 | 
|  | * that we don't have much idea about.  For now, | 
|  | * blacklist anything older than V3.04. | 
|  | * | 
|  | * http://bugzilla.kernel.org/show_bug.cgi?id=15104 | 
|  | */ | 
|  | { | 
|  | .ident = "G725", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "eMachines"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"), | 
|  | }, | 
|  | .driver_data = "20091216",	/* V3.04 */ | 
|  | }, | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  | const struct dmi_system_id *dmi = dmi_first_match(sysids); | 
|  | int year, month, date; | 
|  | char buf[9]; | 
|  |  | 
|  | if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2)) | 
|  | return false; | 
|  |  | 
|  | dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); | 
|  | snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); | 
|  |  | 
|  | return strcmp(buf, dmi->driver_data) < 0; | 
|  | } | 
|  |  | 
|  | static bool ahci_broken_online(struct pci_dev *pdev) | 
|  | { | 
|  | #define ENCODE_BUSDEVFN(bus, slot, func)			\ | 
|  | (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func))) | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * There are several gigabyte boards which use | 
|  | * SIMG5723s configured as hardware RAID.  Certain | 
|  | * 5723 firmware revisions shipped there keep the link | 
|  | * online but fail to answer properly to SRST or | 
|  | * IDENTIFY when no device is attached downstream | 
|  | * causing libata to retry quite a few times leading | 
|  | * to excessive detection delay. | 
|  | * | 
|  | * As these firmwares respond to the second reset try | 
|  | * with invalid device signature, considering unknown | 
|  | * sig as offline works around the problem acceptably. | 
|  | */ | 
|  | { | 
|  | .ident = "EP45-DQ6", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "Gigabyte Technology Co., Ltd."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"), | 
|  | }, | 
|  | .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0), | 
|  | }, | 
|  | { | 
|  | .ident = "EP45-DS5", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "Gigabyte Technology Co., Ltd."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"), | 
|  | }, | 
|  | .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0), | 
|  | }, | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  | #undef ENCODE_BUSDEVFN | 
|  | const struct dmi_system_id *dmi = dmi_first_match(sysids); | 
|  | unsigned int val; | 
|  |  | 
|  | if (!dmi) | 
|  | return false; | 
|  |  | 
|  | val = (unsigned long)dmi->driver_data; | 
|  |  | 
|  | return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_ATA_ACPI | 
|  | static void ahci_gtf_filter_workaround(struct ata_host *host) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * Aspire 3810T issues a bunch of SATA enable commands | 
|  | * via _GTF including an invalid one and one which is | 
|  | * rejected by the device.  Among the successful ones | 
|  | * is FPDMA non-zero offset enable which when enabled | 
|  | * only on the drive side leads to NCQ command | 
|  | * failures.  Filter it out. | 
|  | */ | 
|  | { | 
|  | .ident = "Aspire 3810T", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"), | 
|  | }, | 
|  | .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET, | 
|  | }, | 
|  | { } | 
|  | }; | 
|  | const struct dmi_system_id *dmi = dmi_first_match(sysids); | 
|  | unsigned int filter; | 
|  | int i; | 
|  |  | 
|  | if (!dmi) | 
|  | return; | 
|  |  | 
|  | filter = (unsigned long)dmi->driver_data; | 
|  | dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n", | 
|  | filter, dmi->ident); | 
|  |  | 
|  | for (i = 0; i < host->n_ports; i++) { | 
|  | struct ata_port *ap = host->ports[i]; | 
|  | struct ata_link *link; | 
|  | struct ata_device *dev; | 
|  |  | 
|  | ata_for_each_link(link, ap, EDGE) | 
|  | ata_for_each_dev(dev, link, ALL) | 
|  | dev->gtf_filter |= filter; | 
|  | } | 
|  | } | 
|  | #else | 
|  | static inline void ahci_gtf_filter_workaround(struct ata_host *host) | 
|  | {} | 
|  | #endif | 
|  |  | 
|  | static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) | 
|  | { | 
|  | unsigned int board_id = ent->driver_data; | 
|  | struct ata_port_info pi = ahci_port_info[board_id]; | 
|  | const struct ata_port_info *ppi[] = { &pi, NULL }; | 
|  | struct device *dev = &pdev->dev; | 
|  | struct ahci_host_priv *hpriv; | 
|  | struct ata_host *host; | 
|  | int n_ports, i, rc; | 
|  | int ahci_pci_bar = AHCI_PCI_BAR_STANDARD; | 
|  |  | 
|  | VPRINTK("ENTER\n"); | 
|  |  | 
|  | WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS); | 
|  |  | 
|  | ata_print_version_once(&pdev->dev, DRV_VERSION); | 
|  |  | 
|  | /* The AHCI driver can only drive the SATA ports, the PATA driver | 
|  | can drive them all so if both drivers are selected make sure | 
|  | AHCI stays out of the way */ | 
|  | if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* | 
|  | * For some reason, MCP89 on MacBook 7,1 doesn't work with | 
|  | * ahci, use ata_generic instead. | 
|  | */ | 
|  | if (pdev->vendor == PCI_VENDOR_ID_NVIDIA && | 
|  | pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA && | 
|  | pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE && | 
|  | pdev->subsystem_device == 0xcb89) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode. | 
|  | * At the moment, we can only use the AHCI mode. Let the users know | 
|  | * that for SAS drives they're out of luck. | 
|  | */ | 
|  | if (pdev->vendor == PCI_VENDOR_ID_PROMISE) | 
|  | dev_info(&pdev->dev, | 
|  | "PDC42819 can only drive SATA devices with this driver\n"); | 
|  |  | 
|  | /* Both Connext and Enmotus devices use non-standard BARs */ | 
|  | if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06) | 
|  | ahci_pci_bar = AHCI_PCI_BAR_STA2X11; | 
|  | else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000) | 
|  | ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS; | 
|  |  | 
|  | /* acquire resources */ | 
|  | rc = pcim_enable_device(pdev); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | /* AHCI controllers often implement SFF compatible interface. | 
|  | * Grab all PCI BARs just in case. | 
|  | */ | 
|  | rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME); | 
|  | if (rc == -EBUSY) | 
|  | pcim_pin_device(pdev); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | if (pdev->vendor == PCI_VENDOR_ID_INTEL && | 
|  | (pdev->device == 0x2652 || pdev->device == 0x2653)) { | 
|  | u8 map; | 
|  |  | 
|  | /* ICH6s share the same PCI ID for both piix and ahci | 
|  | * modes.  Enabling ahci mode while MAP indicates | 
|  | * combined mode is a bad idea.  Yield to ata_piix. | 
|  | */ | 
|  | pci_read_config_byte(pdev, ICH_MAP, &map); | 
|  | if (map & 0x3) { | 
|  | dev_info(&pdev->dev, | 
|  | "controller is in combined mode, can't enable AHCI mode\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  | } | 
|  |  | 
|  | hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); | 
|  | if (!hpriv) | 
|  | return -ENOMEM; | 
|  | hpriv->flags |= (unsigned long)pi.private_data; | 
|  |  | 
|  | /* MCP65 revision A1 and A2 can't do MSI */ | 
|  | if (board_id == board_ahci_mcp65 && | 
|  | (pdev->revision == 0xa1 || pdev->revision == 0xa2)) | 
|  | hpriv->flags |= AHCI_HFLAG_NO_MSI; | 
|  |  | 
|  | /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */ | 
|  | if (board_id == board_ahci_sb700 && pdev->revision >= 0x40) | 
|  | hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL; | 
|  |  | 
|  | /* only some SB600s can do 64bit DMA */ | 
|  | if (ahci_sb600_enable_64bit(pdev)) | 
|  | hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY; | 
|  |  | 
|  | if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev)) | 
|  | pci_intx(pdev, 1); | 
|  |  | 
|  | hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar]; | 
|  |  | 
|  | /* save initial config */ | 
|  | ahci_pci_save_initial_config(pdev, hpriv); | 
|  |  | 
|  | /* prepare host */ | 
|  | if (hpriv->cap & HOST_CAP_NCQ) { | 
|  | pi.flags |= ATA_FLAG_NCQ; | 
|  | /* | 
|  | * Auto-activate optimization is supposed to be | 
|  | * supported on all AHCI controllers indicating NCQ | 
|  | * capability, but it seems to be broken on some | 
|  | * chipsets including NVIDIAs. | 
|  | */ | 
|  | if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA)) | 
|  | pi.flags |= ATA_FLAG_FPDMA_AA; | 
|  | } | 
|  |  | 
|  | if (hpriv->cap & HOST_CAP_PMP) | 
|  | pi.flags |= ATA_FLAG_PMP; | 
|  |  | 
|  | ahci_set_em_messages(hpriv, &pi); | 
|  |  | 
|  | if (ahci_broken_system_poweroff(pdev)) { | 
|  | pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN; | 
|  | dev_info(&pdev->dev, | 
|  | "quirky BIOS, skipping spindown on poweroff\n"); | 
|  | } | 
|  |  | 
|  | if (ahci_broken_suspend(pdev)) { | 
|  | hpriv->flags |= AHCI_HFLAG_NO_SUSPEND; | 
|  | dev_warn(&pdev->dev, | 
|  | "BIOS update required for suspend/resume\n"); | 
|  | } | 
|  |  | 
|  | if (ahci_broken_online(pdev)) { | 
|  | hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE; | 
|  | dev_info(&pdev->dev, | 
|  | "online status unreliable, applying workaround\n"); | 
|  | } | 
|  |  | 
|  | /* CAP.NP sometimes indicate the index of the last enabled | 
|  | * port, at other times, that of the last possible port, so | 
|  | * determining the maximum port number requires looking at | 
|  | * both CAP.NP and port_map. | 
|  | */ | 
|  | n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map)); | 
|  |  | 
|  | host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); | 
|  | if (!host) | 
|  | return -ENOMEM; | 
|  | host->private_data = hpriv; | 
|  |  | 
|  | if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss) | 
|  | host->flags |= ATA_HOST_PARALLEL_SCAN; | 
|  | else | 
|  | printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n"); | 
|  |  | 
|  | if (pi.flags & ATA_FLAG_EM) | 
|  | ahci_reset_em(host); | 
|  |  | 
|  | for (i = 0; i < host->n_ports; i++) { | 
|  | struct ata_port *ap = host->ports[i]; | 
|  |  | 
|  | ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar"); | 
|  | ata_port_pbar_desc(ap, ahci_pci_bar, | 
|  | 0x100 + ap->port_no * 0x80, "port"); | 
|  |  | 
|  | /* set enclosure management message type */ | 
|  | if (ap->flags & ATA_FLAG_EM) | 
|  | ap->em_message_type = hpriv->em_msg_type; | 
|  |  | 
|  |  | 
|  | /* disabled/not-implemented port */ | 
|  | if (!(hpriv->port_map & (1 << i))) | 
|  | ap->ops = &ata_dummy_port_ops; | 
|  | } | 
|  |  | 
|  | /* apply workaround for ASUS P5W DH Deluxe mainboard */ | 
|  | ahci_p5wdh_workaround(host); | 
|  |  | 
|  | /* apply gtf filter quirk */ | 
|  | ahci_gtf_filter_workaround(host); | 
|  |  | 
|  | /* initialize adapter */ | 
|  | rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | rc = ahci_pci_reset_controller(host); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | ahci_pci_init_controller(host); | 
|  | ahci_pci_print_info(host); | 
|  |  | 
|  | pci_set_master(pdev); | 
|  | return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED, | 
|  | &ahci_sht); | 
|  | } | 
|  |  | 
|  | static int __init ahci_init(void) | 
|  | { | 
|  | return pci_register_driver(&ahci_pci_driver); | 
|  | } | 
|  |  | 
|  | static void __exit ahci_exit(void) | 
|  | { | 
|  | pci_unregister_driver(&ahci_pci_driver); | 
|  | } | 
|  |  | 
|  |  | 
|  | MODULE_AUTHOR("Jeff Garzik"); | 
|  | MODULE_DESCRIPTION("AHCI SATA low-level driver"); | 
|  | MODULE_LICENSE("GPL"); | 
|  | MODULE_DEVICE_TABLE(pci, ahci_pci_tbl); | 
|  | MODULE_VERSION(DRV_VERSION); | 
|  |  | 
|  | module_init(ahci_init); | 
|  | module_exit(ahci_exit); |