From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 19:39:45 +0000 (+0200) Subject: ide-disk: move /proc handling to ide-disk_proc.c (take 3) X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=06b89518fa69fb7243dc98c31f9a9cfa61bfe788;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git ide-disk: move /proc handling to ide-disk_proc.c (take 3) While at it: - idedisk_capacity() -> ide_disk_capacity() - idedisk_proc[] -> ide_disk_proc[] - idedisk_settings[] -> ide_disk_settings[] v2/3: Build fix for CONFIG_IDE_PROC_FS=n from Elias Oltmanns. Signed-off-by: Bartlomiej Zolnierkiewicz --- diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 57b252b8e792..e6e7811812d2 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -41,6 +41,7 @@ ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o ide-floppy_mod-y += ide-floppy.o ide-floppy_ioctl.o ifeq ($(CONFIG_IDE_PROC_FS), y) + ide-disk_mod-y += ide-disk_proc.o ide-floppy_mod-y += ide-floppy_proc.o endif diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 995d448109eb..3853bde8eedc 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -405,115 +405,11 @@ static void init_idedisk_capacity(ide_drive_t *drive) } } -static sector_t idedisk_capacity(ide_drive_t *drive) +sector_t ide_disk_capacity(ide_drive_t *drive) { return drive->capacity64; } -#ifdef CONFIG_IDE_PROC_FS -static int smart_enable(ide_drive_t *drive) -{ - ide_task_t args; - struct ide_taskfile *tf = &args.tf; - - memset(&args, 0, sizeof(ide_task_t)); - tf->feature = ATA_SMART_ENABLE; - tf->lbam = ATA_SMART_LBAM_PASS; - tf->lbah = ATA_SMART_LBAH_PASS; - tf->command = ATA_CMD_SMART; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - return ide_no_data_taskfile(drive, &args); -} - -static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) -{ - ide_task_t args; - struct ide_taskfile *tf = &args.tf; - - memset(&args, 0, sizeof(ide_task_t)); - tf->feature = sub_cmd; - tf->nsect = 0x01; - tf->lbam = ATA_SMART_LBAM_PASS; - tf->lbah = ATA_SMART_LBAH_PASS; - tf->command = ATA_CMD_SMART; - args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; - args.data_phase = TASKFILE_IN; - (void) smart_enable(drive); - return ide_raw_taskfile(drive, &args, 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)idedisk_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; - - 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); -} - -static ide_proc_entry_t idedisk_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 } -}; -#endif /* CONFIG_IDE_PROC_FS */ - static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) { ide_drive_t *drive = q->queuedata; @@ -612,7 +508,7 @@ static void update_ordered(ide_drive_t *drive) * time we have trimmed the drive capacity if LBA48 is * not available so we don't need to recheck that. */ - capacity = idedisk_capacity(drive); + capacity = ide_disk_capacity(drive); barrier = ata_id_flush_enabled(id) && (drive->dev_flags & IDE_DFLAG_NOFLUSH) == 0 && ((drive->dev_flags & IDE_DFLAG_LBA48) == 0 || @@ -720,30 +616,6 @@ ide_ext_devset_rw(wcache, wcache); ide_ext_devset_rw_sync(nowerr, nowerr); -#ifdef CONFIG_IDE_PROC_FS -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); - -static const struct ide_proc_devset idedisk_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), - { 0 }, -}; -#endif - static void idedisk_setup(ide_drive_t *drive) { struct ide_disk_obj *idkp = drive->driver_data; @@ -806,7 +678,7 @@ static void idedisk_setup(ide_drive_t *drive) * if possible, give fdisk access to more of the drive, * by correcting bios_cyls: */ - capacity = idedisk_capacity(drive); + capacity = ide_disk_capacity(drive); if ((drive->dev_flags & IDE_DFLAG_FORCED_GEOM) == 0) { if (ata_id_lba48_enabled(drive->id)) { @@ -939,8 +811,8 @@ static ide_driver_t idedisk_driver = { .end_request = ide_end_request, .error = __ide_error, #ifdef CONFIG_IDE_PROC_FS - .proc = idedisk_proc, - .settings = idedisk_settings, + .proc = ide_disk_proc, + .settings = ide_disk_settings, #endif }; @@ -1034,7 +906,7 @@ static int idedisk_media_changed(struct gendisk *disk) static int idedisk_revalidate_disk(struct gendisk *disk) { struct ide_disk_obj *idkp = ide_disk_g(disk); - set_capacity(disk, idedisk_capacity(idkp->drive)); + set_capacity(disk, ide_disk_capacity(idkp->drive)); return 0; } @@ -1096,7 +968,7 @@ static int ide_disk_probe(ide_drive_t *drive) g->flags |= GENHD_FL_EXT_DEVT; if (drive->dev_flags & IDE_DFLAG_REMOVABLE) g->flags = GENHD_FL_REMOVABLE; - set_capacity(g, idedisk_capacity(drive)); + set_capacity(g, ide_disk_capacity(drive)); g->fops = &idedisk_ops; add_disk(g); return 0; diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h index 7f007854adac..a82fa4355665 100644 --- a/drivers/ide/ide-disk.h +++ b/drivers/ide/ide-disk.h @@ -13,6 +13,7 @@ struct ide_disk_obj { container_of((disk)->private_data, struct ide_disk_obj, driver) /* ide-disk.c */ +sector_t ide_disk_capacity(ide_drive_t *); ide_decl_devset(address); ide_decl_devset(multcount); ide_decl_devset(nowerr); @@ -22,4 +23,10 @@ ide_decl_devset(acoustic); /* ide-disk_ioctl.c */ int ide_disk_ioctl(struct inode *, struct file *, unsigned int, unsigned long); +#ifdef CONFIG_IDE_PROC_FS +/* ide-disk_proc.c */ +extern ide_proc_entry_t ide_disk_proc[]; +extern const struct ide_proc_devset ide_disk_settings[]; +#endif + #endif /* __IDE_DISK_H */ diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c new file mode 100644 index 000000000000..4724976afe71 --- /dev/null +++ b/drivers/ide/ide-disk_proc.c @@ -0,0 +1,129 @@ +#include +#include +#include + +#include "ide-disk.h" + +static int smart_enable(ide_drive_t *drive) +{ + ide_task_t args; + struct ide_taskfile *tf = &args.tf; + + memset(&args, 0, sizeof(ide_task_t)); + tf->feature = ATA_SMART_ENABLE; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; + args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + return ide_no_data_taskfile(drive, &args); +} + +static int get_smart_data(ide_drive_t *drive, u8 *buf, u8 sub_cmd) +{ + ide_task_t args; + struct ide_taskfile *tf = &args.tf; + + memset(&args, 0, sizeof(ide_task_t)); + tf->feature = sub_cmd; + tf->nsect = 0x01; + tf->lbam = ATA_SMART_LBAM_PASS; + tf->lbah = ATA_SMART_LBAH_PASS; + tf->command = ATA_CMD_SMART; + args.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; + args.data_phase = TASKFILE_IN; + (void) smart_enable(drive); + return ide_raw_taskfile(drive, &args, 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_disk_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; + + 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), + { 0 }, +};