*/
#define IDEFLOPPY_MAX_PC_RETRIES 3
-/*
- * With each packet command, we allocate a buffer of IDEFLOPPY_PC_BUFFER_SIZE
- * bytes.
- */
-#define IDEFLOPPY_PC_BUFFER_SIZE 256
-
/* format capacities descriptor codes */
#define CAPACITY_INVALID 0x00
#define CAPACITY_UNFORMATTED 0x01
u8 cap_desc[8];
/* Copy of the flexible disk page */
u8 flexible_disk_page[32];
- /* Write protect */
- int wp;
- /* Supports format progress report */
- int srfp;
} idefloppy_floppy_t;
#define IDEFLOPPY_TICKS_DELAY HZ/20 /* default delay for ZIP 100 (50ms) */
idefloppy_end_request(drive, 1, 0);
}
-/*
- * Generate a new packet command request in front of the request queue, before
- * the current request so that it will be processed immediately, on the next
- * pass through the driver.
- */
-static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
- struct request *rq)
-{
- struct ide_floppy_obj *floppy = drive->driver_data;
-
- blk_rq_init(NULL, rq);
- rq->buffer = (char *) pc;
- rq->cmd_type = REQ_TYPE_SPECIAL;
- rq->cmd_flags |= REQ_PREEMPT;
- rq->rq_disk = floppy->disk;
- memcpy(rq->cmd, pc->c, 12);
- ide_do_drive_cmd(drive, rq);
-}
-
static void ide_floppy_callback(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
idefloppy_end_request(drive, uptodate, 0);
}
-static void idefloppy_init_pc(struct ide_atapi_pc *pc)
-{
- memset(pc, 0, sizeof(*pc));
- pc->buf = pc->pc_buf;
- pc->buf_size = IDEFLOPPY_PC_BUFFER_SIZE;
-}
-
static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc)
{
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
pc->c[0] = GPCMD_REQUEST_SENSE;
pc->c[4] = 255;
pc->req_xfer = 18;
(void)ide_read_error(drive);
idefloppy_create_request_sense_cmd(pc);
- idefloppy_queue_pc_head(drive, pc, rq);
+ ide_queue_pc_head(drive, floppy->disk, pc, rq);
}
/* The usual interrupt handler called during a packet command. */
{
debug_log("creating prevent removal command, prevent = %d\n", prevent);
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
pc->c[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
pc->c[4] = prevent;
}
static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
{
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES;
pc->c[7] = 255;
pc->c[8] = 255;
static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
int l, int flags)
{
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
pc->c[0] = GPCMD_FORMAT_UNIT;
pc->c[1] = 0x17;
{
u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
pc->c[0] = GPCMD_MODE_SENSE_10;
pc->c[1] = 0;
pc->c[2] = page_code;
static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start)
{
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
pc->c[0] = GPCMD_START_STOP_UNIT;
pc->c[4] = start;
}
debug_log("create_rw10_cmd: block == %d, blocks == %d\n",
block, blocks);
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
pc->c[0] = cmd == READ ? GPCMD_READ_10 : GPCMD_WRITE_10;
put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]);
put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[2]);
static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
struct ide_atapi_pc *pc, struct request *rq)
{
- idefloppy_init_pc(pc);
+ ide_init_pc(pc);
memcpy(pc->c, rq->cmd, sizeof(pc->c));
pc->rq = rq;
pc->b_count = 0;
return idefloppy_issue_pc(drive, pc);
}
-/*
- * Add a special packet command request to the tail of the request queue,
- * and wait for it to be serviced.
- */
-static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)
-{
- struct ide_floppy_obj *floppy = drive->driver_data;
- struct request *rq;
- int error;
-
- rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
- rq->buffer = (char *) pc;
- rq->cmd_type = REQ_TYPE_SPECIAL;
- memcpy(rq->cmd, pc->c, 12);
- error = blk_execute_rq(drive->queue, floppy->disk, rq, 0);
- blk_put_request(rq);
-
- return error;
-}
-
/*
* Look at the flexible disk page parameters. We ignore the CHS capacity
* parameters and use the LBA parameters instead.
static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
+ struct gendisk *disk = floppy->disk;
struct ide_atapi_pc pc;
u8 *page;
int capacity, lba_capacity;
idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_FLEXIBLE_DISK_PAGE);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ if (ide_queue_pc_tail(drive, disk, &pc)) {
printk(KERN_ERR "ide-floppy: Can't get flexible disk page"
" parameters\n");
return 1;
}
- floppy->wp = !!(pc.buf[3] & 0x80);
- set_disk_ro(floppy->disk, floppy->wp);
+
+ if (pc.buf[3] & 0x80)
+ drive->atapi_flags |= IDE_AFLAG_WP;
+ else
+ drive->atapi_flags &= ~IDE_AFLAG_WP;
+
+ set_disk_ro(disk, !!(drive->atapi_flags & IDE_AFLAG_WP));
+
page = &pc.buf[8];
transfer_rate = be16_to_cpup((__be16 *)&pc.buf[8 + 2]);
idefloppy_floppy_t *floppy = drive->driver_data;
struct ide_atapi_pc pc;
- floppy->srfp = 0;
+ drive->atapi_flags &= ~IDE_AFLAG_SRFP;
idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE);
pc.flags |= PC_FLAG_SUPPRESS_ERROR;
- if (idefloppy_queue_pc_tail(drive, &pc))
+ if (ide_queue_pc_tail(drive, floppy->disk, &pc))
return 1;
- floppy->srfp = pc.buf[8 + 2] & 0x40;
+ if (pc.buf[8 + 2] & 0x40)
+ drive->atapi_flags |= IDE_AFLAG_SRFP;
+
return 0;
}
static int ide_floppy_get_capacity(ide_drive_t *drive)
{
idefloppy_floppy_t *floppy = drive->driver_data;
+ struct gendisk *disk = floppy->disk;
struct ide_atapi_pc pc;
u8 *cap_desc;
u8 header_len, desc_cnt;
set_capacity(floppy->disk, 0);
idefloppy_create_read_capacity_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ if (ide_queue_pc_tail(drive, disk, &pc)) {
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
return 1;
}
if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE))
(void) ide_floppy_get_flexible_disk_page(drive);
- set_capacity(floppy->disk, floppy->blocks * floppy->bs_factor);
+ set_capacity(disk, floppy->blocks * floppy->bs_factor);
+
return rc;
}
static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
{
+ struct ide_floppy_obj *floppy = drive->driver_data;
struct ide_atapi_pc pc;
u8 header_len, desc_cnt;
int i, blocks, length, u_array_size, u_index;
return -EINVAL;
idefloppy_create_read_capacity_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ if (ide_queue_pc_tail(drive, floppy->disk, &pc)) {
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
return -EIO;
}
struct ide_atapi_pc pc;
int progress_indication = 0x10000;
- if (floppy->srfp) {
+ if (drive->atapi_flags & IDE_AFLAG_SRFP) {
idefloppy_create_request_sense_cmd(&pc);
- if (idefloppy_queue_pc_tail(drive, &pc))
+ if (ide_queue_pc_tail(drive, floppy->disk, &pc))
return -EIO;
if (floppy->sense_key == 2 &&
static void ide_floppy_set_media_lock(ide_drive_t *drive, int on)
{
+ struct ide_floppy_obj *floppy = drive->driver_data;
struct ide_atapi_pc pc;
/* IOMEGA Clik! drives do not support lock/unlock commands */
if ((drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE) == 0) {
idefloppy_create_prevent_cmd(&pc, on);
- (void)idefloppy_queue_pc_tail(drive, &pc);
+ (void)ide_queue_pc_tail(drive, floppy->disk, &pc);
}
}
drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
/* Just in case */
- idefloppy_init_pc(&pc);
+ ide_init_pc(&pc);
pc.c[0] = GPCMD_TEST_UNIT_READY;
- if (idefloppy_queue_pc_tail(drive, &pc)) {
+ if (ide_queue_pc_tail(drive, disk, &pc)) {
idefloppy_create_start_stop_cmd(&pc, 1);
- (void) idefloppy_queue_pc_tail(drive, &pc);
+ (void)ide_queue_pc_tail(drive, disk, &pc);
}
if (ide_floppy_get_capacity(drive)
goto out_put_floppy;
}
- if (floppy->wp && (filp->f_mode & 2)) {
+ if ((drive->atapi_flags & IDE_AFLAG_WP) && (filp->f_mode & 2)) {
ret = -EROFS;
goto out_put_floppy;
}
if (cmd == CDROMEJECT) {
idefloppy_create_start_stop_cmd(pc, 2);
- (void) idefloppy_queue_pc_tail(floppy->drive, pc);
+ (void)ide_queue_pc_tail(drive, floppy->disk, pc);
}
return 0;
(void) idefloppy_get_sfrp_bit(drive);
idefloppy_create_format_unit_cmd(&pc, blocks, length, flags);
- if (idefloppy_queue_pc_tail(drive, &pc))
+ if (ide_queue_pc_tail(drive, floppy->disk, &pc))
err = -EIO;
out:
projects / linux-2.6-omap-h63xx.git / blobdiff