ide-tape: use generic scsi commands

Also, remove those which weren't used.

Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index e7f25ff978d918ae531916902ac66104727b1bee..502ca06bcc08eeee23369de91ee00518f79f97f6 100644 (file)
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -36,6 +36,7 @@
 #include <linux/completion.h>
 #include <linux/bitops.h>
 #include <linux/mutex.h>
+#include <scsi/scsi.h>
 
 #include <asm/byteorder.h>
 #include <asm/irq.h>
@@ -516,27 +517,6 @@ static void ide_tape_put(struct ide_tape_obj *tape)
 /* 0 = no tape is loaded, so we don't rewind after ejecting */
 #define IDETAPE_MEDIUM_PRESENT         9
 
-/*
- *     Supported ATAPI tape drives packet commands
- */
-#define IDETAPE_TEST_UNIT_READY_CMD    0x00
-#define IDETAPE_REWIND_CMD             0x01
-#define IDETAPE_REQUEST_SENSE_CMD      0x03
-#define IDETAPE_READ_CMD               0x08
-#define IDETAPE_WRITE_CMD              0x0a
-#define IDETAPE_WRITE_FILEMARK_CMD     0x10
-#define IDETAPE_SPACE_CMD              0x11
-#define IDETAPE_INQUIRY_CMD            0x12
-#define IDETAPE_ERASE_CMD              0x19
-#define IDETAPE_MODE_SENSE_CMD         0x1a
-#define IDETAPE_MODE_SELECT_CMD                0x15
-#define IDETAPE_LOAD_UNLOAD_CMD                0x1b
-#define IDETAPE_PREVENT_CMD            0x1e
-#define IDETAPE_LOCATE_CMD             0x2b
-#define IDETAPE_READ_POSITION_CMD      0x34
-#define IDETAPE_READ_BUFFER_CMD                0x3c
-#define IDETAPE_SET_SPEED_CMD          0xbb
-
 /*
  *     Some defines for the READ BUFFER command
  */
@@ -841,7 +821,7 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense)
         * with sense key=5, asc=0x22, ascq=0, let it slide.  Some drives
         * (i.e. Seagate STT3401A Travan) don't support 0-length read/writes.
         */
-       if ((pc->c[0] == IDETAPE_READ_CMD || pc->c[0] == IDETAPE_WRITE_CMD)
+       if ((pc->c[0] == READ_6 || pc->c[0] == WRITE_6)
            /* length == 0 */
            && pc->c[4] == 0 && pc->c[3] == 0 && pc->c[2] == 0) {
                if (tape->sense_key == 5) {
@@ -851,18 +831,18 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense)
                        set_bit(PC_ABORT, &pc->flags);
                }
        }
-       if (pc->c[0] == IDETAPE_READ_CMD && (sense[2] & 0x80)) {
+       if (pc->c[0] == READ_6 && (sense[2] & 0x80)) {
                pc->error = IDETAPE_ERROR_FILEMARK;
                set_bit(PC_ABORT, &pc->flags);
        }
-       if (pc->c[0] == IDETAPE_WRITE_CMD) {
+       if (pc->c[0] == WRITE_6) {
                if ((sense[2] & 0x40) || (tape->sense_key == 0xd
                     && tape->asc == 0x0 && tape->ascq == 0x2)) {
                        pc->error = IDETAPE_ERROR_EOD;
                        set_bit(PC_ABORT, &pc->flags);
                }
        }
-       if (pc->c[0] == IDETAPE_READ_CMD || pc->c[0] == IDETAPE_WRITE_CMD) {
+       if (pc->c[0] == READ_6 || pc->c[0] == WRITE_6) {
                if (tape->sense_key == 8) {
                        pc->error = IDETAPE_ERROR_EOD;
                        set_bit(PC_ABORT, &pc->flags);
@@ -1111,7 +1091,7 @@ static ide_startstop_t idetape_request_sense_callback (ide_drive_t *drive)
 static void idetape_create_request_sense_cmd (idetape_pc_t *pc)
 {
        idetape_init_pc(pc);    
-       pc->c[0] = IDETAPE_REQUEST_SENSE_CMD;
+       pc->c[0] = REQUEST_SENSE;
        pc->c[4] = 20;
        pc->request_transfer = 20;
        pc->callback = &idetape_request_sense_callback;
@@ -1264,15 +1244,14 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
                local_irq_enable();
 
 #if SIMULATE_ERRORS
-               if ((pc->c[0] == IDETAPE_WRITE_CMD ||
-                    pc->c[0] == IDETAPE_READ_CMD) &&
+               if ((pc->c[0] == WRITE_6 || pc->c[0] == READ_6) &&
                    (++error_sim_count % 100) == 0) {
                        printk(KERN_INFO "ide-tape: %s: simulating error\n",
                                tape->name);
                        stat |= ERR_STAT;
                }
 #endif
-               if ((stat & ERR_STAT) && pc->c[0] == IDETAPE_REQUEST_SENSE_CMD)
+               if ((stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE)
                        stat &= ~ERR_STAT;
                if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) {
                        /* Error detected */
@@ -1281,7 +1260,7 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive)
                                printk(KERN_INFO "ide-tape: %s: I/O error\n",
                                        tape->name);
 #endif /* IDETAPE_DEBUG_LOG */
-                       if (pc->c[0] == IDETAPE_REQUEST_SENSE_CMD) {
+                       if (pc->c[0] == REQUEST_SENSE) {
                                printk(KERN_ERR "ide-tape: I/O error in request sense command\n");
                                return ide_do_reset(drive);
                        }
@@ -1469,13 +1448,13 @@ static ide_startstop_t idetape_issue_packet_command (ide_drive_t *drive, idetape
        int dma_ok = 0;
        u16 bcount;
 
-       if (tape->pc->c[0] == IDETAPE_REQUEST_SENSE_CMD &&
-           pc->c[0] == IDETAPE_REQUEST_SENSE_CMD) {
+       if (tape->pc->c[0] == REQUEST_SENSE &&
+           pc->c[0] == REQUEST_SENSE) {
                printk(KERN_ERR "ide-tape: possible ide-tape.c bug - "
                        "Two request sense in serial were issued\n");
        }
 
-       if (tape->failed_pc == NULL && pc->c[0] != IDETAPE_REQUEST_SENSE_CMD)
+       if (tape->failed_pc == NULL && pc->c[0] != REQUEST_SENSE)
                tape->failed_pc = pc;
        /* Set the current packet command */
        tape->pc = pc;
@@ -1488,7 +1467,7 @@ static ide_startstop_t idetape_issue_packet_command (ide_drive_t *drive, idetape
                 *      filemark, or end of the media, for example).
                 */
                if (!test_bit(PC_ABORT, &pc->flags)) {
-                       if (!(pc->c[0] == IDETAPE_TEST_UNIT_READY_CMD &&
+                       if (!(pc->c[0] == TEST_UNIT_READY &&
                              tape->sense_key == 2 && tape->asc == 4 &&
                             (tape->ascq == 1 || tape->ascq == 8))) {
                                printk(KERN_ERR "ide-tape: %s: I/O error, "
@@ -1561,7 +1540,7 @@ static ide_startstop_t idetape_pc_callback (ide_drive_t *drive)
 static void idetape_create_mode_sense_cmd (idetape_pc_t *pc, u8 page_code)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_MODE_SENSE_CMD;
+       pc->c[0] = MODE_SENSE;
        if (page_code != IDETAPE_BLOCK_DESCRIPTOR)
                pc->c[1] = 8;   /* DBD = 1 - Don't return block descriptors */
        pc->c[2] = page_code;
@@ -1642,7 +1621,7 @@ static ide_startstop_t idetape_media_access_finished (ide_drive_t *drive)
        if (stat & SEEK_STAT) {
                if (stat & ERR_STAT) {
                        /* Error detected */
-                       if (pc->c[0] != IDETAPE_TEST_UNIT_READY_CMD)
+                       if (pc->c[0] != TEST_UNIT_READY)
                                printk(KERN_ERR "ide-tape: %s: I/O error, ",
                                                tape->name);
                        /* Retry operation */
@@ -1699,7 +1678,7 @@ static ide_startstop_t idetape_rw_callback (ide_drive_t *drive)
 static void idetape_create_read_cmd(idetape_tape_t *tape, idetape_pc_t *pc, unsigned int length, struct idetape_bh *bh)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_READ_CMD;
+       pc->c[0] = READ_6;
        put_unaligned(htonl(length), (unsigned int *) &pc->c[1]);
        pc->c[1] = 1;
        pc->callback = &idetape_rw_callback;
@@ -1717,7 +1696,7 @@ static void idetape_create_read_buffer_cmd(idetape_tape_t *tape, idetape_pc_t *p
        struct idetape_bh *p = bh;
 
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_READ_BUFFER_CMD;
+       pc->c[0] = READ_BUFFER;
        pc->c[1] = IDETAPE_RETRIEVE_FAULTY_BLOCK;
        pc->c[7] = size >> 8;
        pc->c[8] = size & 0xff;
@@ -1735,7 +1714,7 @@ static void idetape_create_read_buffer_cmd(idetape_tape_t *tape, idetape_pc_t *p
 static void idetape_create_write_cmd(idetape_tape_t *tape, idetape_pc_t *pc, unsigned int length, struct idetape_bh *bh)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_WRITE_CMD;
+       pc->c[0] = WRITE_6;
        put_unaligned(htonl(length), (unsigned int *) &pc->c[1]);
        pc->c[1] = 1;
        pc->callback = &idetape_rw_callback;
@@ -1781,7 +1760,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
         *      Retry a failed packet command
         */
        if (tape->failed_pc != NULL &&
-           tape->pc->c[0] == IDETAPE_REQUEST_SENSE_CMD) {
+           tape->pc->c[0] == REQUEST_SENSE) {
                return idetape_issue_packet_command(drive, tape->failed_pc);
        }
        if (postponed_rq != NULL)
@@ -2152,7 +2131,7 @@ static ide_startstop_t idetape_read_position_callback (ide_drive_t *drive)
 static void idetape_create_write_filemark_cmd (ide_drive_t *drive, idetape_pc_t *pc,int write_filemark)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_WRITE_FILEMARK_CMD;
+       pc->c[0] = WRITE_FILEMARKS;
        pc->c[4] = write_filemark;
        set_bit(PC_WAIT_FOR_DSC, &pc->flags);
        pc->callback = &idetape_pc_callback;
@@ -2161,7 +2140,7 @@ static void idetape_create_write_filemark_cmd (ide_drive_t *drive, idetape_pc_t
 static void idetape_create_test_unit_ready_cmd(idetape_pc_t *pc)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_TEST_UNIT_READY_CMD;
+       pc->c[0] = TEST_UNIT_READY;
        pc->callback = &idetape_pc_callback;
 }
 
@@ -2199,7 +2178,7 @@ static int __idetape_queue_pc_tail (ide_drive_t *drive, idetape_pc_t *pc)
 static void idetape_create_load_unload_cmd (ide_drive_t *drive, idetape_pc_t *pc,int cmd)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_LOAD_UNLOAD_CMD;
+       pc->c[0] = START_STOP;
        pc->c[4] = cmd;
        set_bit(PC_WAIT_FOR_DSC, &pc->flags);
        pc->callback = &idetape_pc_callback;
@@ -2256,7 +2235,7 @@ static int idetape_flush_tape_buffers (ide_drive_t *drive)
 static void idetape_create_read_position_cmd (idetape_pc_t *pc)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_READ_POSITION_CMD;
+       pc->c[0] = READ_POSITION;
        pc->request_transfer = 20;
        pc->callback = &idetape_read_position_callback;
 }
@@ -2282,7 +2261,7 @@ static int idetape_read_position (ide_drive_t *drive)
 static void idetape_create_locate_cmd (ide_drive_t *drive, idetape_pc_t *pc, unsigned int block, u8 partition, int skip)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_LOCATE_CMD;
+       pc->c[0] = POSITION_TO_ELEMENT;
        pc->c[1] = 2;
        put_unaligned(htonl(block), (unsigned int *) &pc->c[3]);
        pc->c[8] = partition;
@@ -2299,7 +2278,7 @@ static int idetape_create_prevent_cmd (ide_drive_t *drive, idetape_pc_t *pc, int
                return 0;
 
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_PREVENT_CMD;
+       pc->c[0] = ALLOW_MEDIUM_REMOVAL;
        pc->c[4] = prevent;
        pc->callback = &idetape_pc_callback;
        return 1;
@@ -2450,7 +2429,7 @@ static void idetape_insert_pipeline_into_queue (ide_drive_t *drive)
 static void idetape_create_inquiry_cmd (idetape_pc_t *pc)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_INQUIRY_CMD;
+       pc->c[0] = INQUIRY;
        pc->c[4] = pc->request_transfer = 254;
        pc->callback = &idetape_pc_callback;
 }
@@ -2458,7 +2437,7 @@ static void idetape_create_inquiry_cmd (idetape_pc_t *pc)
 static void idetape_create_rewind_cmd (ide_drive_t *drive, idetape_pc_t *pc)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_REWIND_CMD;
+       pc->c[0] = REZERO_UNIT;
        set_bit(PC_WAIT_FOR_DSC, &pc->flags);
        pc->callback = &idetape_pc_callback;
 }
@@ -2466,7 +2445,7 @@ static void idetape_create_rewind_cmd (ide_drive_t *drive, idetape_pc_t *pc)
 static void idetape_create_erase_cmd (idetape_pc_t *pc)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_ERASE_CMD;
+       pc->c[0] = ERASE;
        pc->c[1] = 1;
        set_bit(PC_WAIT_FOR_DSC, &pc->flags);
        pc->callback = &idetape_pc_callback;
@@ -2475,7 +2454,7 @@ static void idetape_create_erase_cmd (idetape_pc_t *pc)
 static void idetape_create_space_cmd (idetape_pc_t *pc,int count, u8 cmd)
 {
        idetape_init_pc(pc);
-       pc->c[0] = IDETAPE_SPACE_CMD;
+       pc->c[0] = SPACE;
        put_unaligned(htonl(count), (unsigned int *) &pc->c[1]);
        pc->c[1] = cmd;
        set_bit(PC_WAIT_FOR_DSC, &pc->flags);