| #include <linux/kernel.h> |
| #include <linux/ide.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 proc_idedisk_read_cache |
| (char *page, char **start, off_t off, int count, int *eof, void *data) |
| { |
| ide_drive_t *drive = (ide_drive_t *) data; |
| char *out = page; |
| int len; |
| |
| if (drive->dev_flags & IDE_DFLAG_ID_READ) |
| len = sprintf(out, "%i\n", drive->id[ATA_ID_BUF_SIZE] / 2); |
| else |
| len = sprintf(out, "(none)\n"); |
| |
| PROC_IDE_READ_RETURN(page, start, off, count, eof, len); |
| } |
| |
| static int proc_idedisk_read_capacity |
| (char *page, char **start, off_t off, int count, int *eof, void *data) |
| { |
| ide_drive_t*drive = (ide_drive_t *)data; |
| int len; |
| |
| len = sprintf(page, "%llu\n", (long long)ide_gd_capacity(drive)); |
| |
| PROC_IDE_READ_RETURN(page, start, off, count, eof, len); |
| } |
| |
| static int proc_idedisk_read_smart(char *page, char **start, off_t off, |
| int count, int *eof, void *data, u8 sub_cmd) |
| { |
| ide_drive_t *drive = (ide_drive_t *)data; |
| int len = 0, i = 0; |
| |
| (void)smart_enable(drive); |
| |
| if (get_smart_data(drive, page, sub_cmd) == 0) { |
| unsigned short *val = (unsigned short *) page; |
| char *out = (char *)val + SECTOR_SIZE; |
| |
| page = out; |
| do { |
| out += sprintf(out, "%04x%c", le16_to_cpu(*val), |
| (++i & 7) ? ' ' : '\n'); |
| val += 1; |
| } while (i < SECTOR_SIZE / 2); |
| len = out - page; |
| } |
| |
| PROC_IDE_READ_RETURN(page, start, off, count, eof, len); |
| } |
| |
| static int proc_idedisk_read_sv |
| (char *page, char **start, off_t off, int count, int *eof, void *data) |
| { |
| return proc_idedisk_read_smart(page, start, off, count, eof, data, |
| ATA_SMART_READ_VALUES); |
| } |
| |
| static int proc_idedisk_read_st |
| (char *page, char **start, off_t off, int count, int *eof, void *data) |
| { |
| return proc_idedisk_read_smart(page, start, off, count, eof, data, |
| ATA_SMART_READ_THRESHOLDS); |
| } |
| |
| ide_proc_entry_t ide_disk_proc[] = { |
| { "cache", S_IFREG|S_IRUGO, proc_idedisk_read_cache, NULL }, |
| { "capacity", S_IFREG|S_IRUGO, proc_idedisk_read_capacity, NULL }, |
| { "geometry", S_IFREG|S_IRUGO, proc_ide_read_geometry, NULL }, |
| { "smart_values", S_IFREG|S_IRUSR, proc_idedisk_read_sv, NULL }, |
| { "smart_thresholds", S_IFREG|S_IRUSR, proc_idedisk_read_st, NULL }, |
| { NULL, 0, NULL, NULL } |
| }; |
| |
| 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 }, |
| }; |