zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/ide/ide-disk_proc.c b/ap/os/linux/linux-3.4.x/drivers/ide/ide-disk_proc.c
new file mode 100644
index 0000000..8b570a1
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/ide/ide-disk_proc.c
@@ -0,0 +1,176 @@
+#include <linux/kernel.h>
+#include <linux/ide.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+#include <linux/seq_file.h>
+
+#include "ide-disk.h"
+
+static int smart_enable(ide_drive_t *drive)
+{
+ struct ide_cmd cmd;
+ struct ide_taskfile *tf = &cmd.tf;
+
+ memset(&cmd, 0, sizeof(cmd));
+ tf->feature = ATA_SMART_ENABLE;
+ tf->lbam = ATA_SMART_LBAM_PASS;
+ tf->lbah = ATA_SMART_LBAH_PASS;
+ tf->command = ATA_CMD_SMART;
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
+
+ return ide_no_data_taskfile(drive, &cmd);
+}
+
+static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd)
+{
+ struct ide_cmd cmd;
+ struct ide_taskfile *tf = &cmd.tf;
+
+ memset(&cmd, 0, sizeof(cmd));
+ tf->feature = sub_cmd;
+ tf->nsect = 0x01;
+ tf->lbam = ATA_SMART_LBAM_PASS;
+ tf->lbah = ATA_SMART_LBAH_PASS;
+ tf->command = ATA_CMD_SMART;
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
+ cmd.protocol = ATA_PROT_PIO;
+
+ return ide_raw_taskfile(drive, &cmd, buf, 1);
+}
+
+static int idedisk_cache_proc_show(struct seq_file *m, void *v)
+{
+ ide_drive_t *drive = (ide_drive_t *) m->private;
+
+ if (drive->dev_flags & IDE_DFLAG_ID_READ)
+ seq_printf(m, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2);
+ else
+ seq_printf(m, "(none)\n");
+ return 0;
+}
+
+static int idedisk_cache_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, idedisk_cache_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations idedisk_cache_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = idedisk_cache_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int idedisk_capacity_proc_show(struct seq_file *m, void *v)
+{
+ ide_drive_t*drive = (ide_drive_t *)m->private;
+
+ seq_printf(m, "%llu\n", (long long)ide_gd_capacity(drive));
+ return 0;
+}
+
+static int idedisk_capacity_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, idedisk_capacity_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations idedisk_capacity_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = idedisk_capacity_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __idedisk_proc_show(struct seq_file *m, ide_drive_t *drive, u8 sub_cmd)
+{
+ u8 *buf;
+
+ buf = kmalloc(SECTOR_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ (void)smart_enable(drive);
+
+ if (get_smart_data(drive, buf, sub_cmd) == 0) {
+ __le16 *val = (__le16 *)buf;
+ int i;
+
+ for (i = 0; i < SECTOR_SIZE / 2; i++) {
+ seq_printf(m, "%04x%c", le16_to_cpu(val[i]),
+ (i % 8) == 7 ? '\n' : ' ');
+ }
+ }
+ kfree(buf);
+ return 0;
+}
+
+static int idedisk_sv_proc_show(struct seq_file *m, void *v)
+{
+ return __idedisk_proc_show(m, m->private, ATA_SMART_READ_VALUES);
+}
+
+static int idedisk_sv_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, idedisk_sv_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations idedisk_sv_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = idedisk_sv_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int idedisk_st_proc_show(struct seq_file *m, void *v)
+{
+ return __idedisk_proc_show(m, m->private, ATA_SMART_READ_THRESHOLDS);
+}
+
+static int idedisk_st_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, idedisk_st_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations idedisk_st_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = idedisk_st_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+ide_proc_entry_t ide_disk_proc[] = {
+ { "cache", S_IFREG|S_IRUGO, &idedisk_cache_proc_fops },
+ { "capacity", S_IFREG|S_IRUGO, &idedisk_capacity_proc_fops },
+ { "geometry", S_IFREG|S_IRUGO, &ide_geometry_proc_fops },
+ { "smart_values", S_IFREG|S_IRUSR, &idedisk_sv_proc_fops },
+ { "smart_thresholds", S_IFREG|S_IRUSR, &idedisk_st_proc_fops },
+ {}
+};
+
+ide_devset_rw_field(bios_cyl, bios_cyl);
+ide_devset_rw_field(bios_head, bios_head);
+ide_devset_rw_field(bios_sect, bios_sect);
+ide_devset_rw_field(failures, failures);
+ide_devset_rw_field(lun, lun);
+ide_devset_rw_field(max_failures, max_failures);
+
+const struct ide_proc_devset ide_disk_settings[] = {
+ IDE_PROC_DEVSET(acoustic, 0, 254),
+ IDE_PROC_DEVSET(address, 0, 2),
+ IDE_PROC_DEVSET(bios_cyl, 0, 65535),
+ IDE_PROC_DEVSET(bios_head, 0, 255),
+ IDE_PROC_DEVSET(bios_sect, 0, 63),
+ IDE_PROC_DEVSET(failures, 0, 65535),
+ IDE_PROC_DEVSET(lun, 0, 7),
+ IDE_PROC_DEVSET(max_failures, 0, 65535),
+ IDE_PROC_DEVSET(multcount, 0, 16),
+ IDE_PROC_DEVSET(nowerr, 0, 1),
+ IDE_PROC_DEVSET(wcache, 0, 1),
+ { NULL },
+};