IDE: Report errors during drive reset back to user space
[pandora-kernel.git] / drivers / ide / ide-cd_ioctl.c
index 6d147ce..24d002a 100644 (file)
@@ -104,8 +104,8 @@ int cdrom_eject(ide_drive_t *drive, int ejectflag,
 {
        struct cdrom_info *cd = drive->driver_data;
        struct cdrom_device_info *cdi = &cd->devinfo;
-       struct request req;
        char loej = 0x02;
+       unsigned char cmd[BLK_MAX_CDB];
 
        if ((cd->cd_flags & IDE_CD_FLAG_NO_EJECT) && !ejectflag)
                return -EDRIVE_CANT_DO_THIS;
@@ -114,17 +114,16 @@ int cdrom_eject(ide_drive_t *drive, int ejectflag,
        if ((cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED) && ejectflag)
                return 0;
 
-       ide_cd_init_rq(drive, &req);
-
        /* only tell drive to close tray if open, if it can do that */
        if (ejectflag && (cdi->mask & CDC_CLOSE_TRAY))
                loej = 0;
 
-       req.sense = sense;
-       req.cmd[0] = GPCMD_START_STOP_UNIT;
-       req.cmd[4] = loej | (ejectflag != 0);
+       memset(cmd, 0, BLK_MAX_CDB);
+
+       cmd[0] = GPCMD_START_STOP_UNIT;
+       cmd[4] = loej | (ejectflag != 0);
 
-       return ide_cd_queue_pc(drive, &req);
+       return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, sense, 0, 0);
 }
 
 /* Lock the door if LOCKFLAG is nonzero; unlock it otherwise. */
@@ -134,7 +133,6 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
 {
        struct cdrom_info *cd = drive->driver_data;
        struct request_sense my_sense;
-       struct request req;
        int stat;
 
        if (sense == NULL)
@@ -144,11 +142,15 @@ int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
        if (cd->cd_flags & IDE_CD_FLAG_NO_DOORLOCK) {
                stat = 0;
        } else {
-               ide_cd_init_rq(drive, &req);
-               req.sense = sense;
-               req.cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
-               req.cmd[4] = lockflag ? 1 : 0;
-               stat = ide_cd_queue_pc(drive, &req);
+               unsigned char cmd[BLK_MAX_CDB];
+
+               memset(cmd, 0, BLK_MAX_CDB);
+
+               cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
+               cmd[4] = lockflag ? 1 : 0;
+
+               stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0,
+                                      sense, 0, 0);
        }
 
        /* If we got an illegal field error, the drive
@@ -206,32 +208,30 @@ int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed)
 {
        ide_drive_t *drive = cdi->handle;
        struct cdrom_info *cd = drive->driver_data;
-       struct request rq;
        struct request_sense sense;
        u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE];
        int stat;
-
-       ide_cd_init_rq(drive, &rq);
-
-       rq.sense = &sense;
+       unsigned char cmd[BLK_MAX_CDB];
 
        if (speed == 0)
                speed = 0xffff; /* set to max */
        else
                speed *= 177;   /* Nx to kbytes/s */
 
-       rq.cmd[0] = GPCMD_SET_SPEED;
+       memset(cmd, 0, BLK_MAX_CDB);
+
+       cmd[0] = GPCMD_SET_SPEED;
        /* Read Drive speed in kbytes/second MSB/LSB */
-       rq.cmd[2] = (speed >> 8) & 0xff;
-       rq.cmd[3] = speed & 0xff;
+       cmd[2] = (speed >> 8) & 0xff;
+       cmd[3] = speed & 0xff;
        if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) !=
            (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) {
                /* Write Drive speed in kbytes/second MSB/LSB */
-               rq.cmd[4] = (speed >> 8) & 0xff;
-               rq.cmd[5] = speed & 0xff;
+               cmd[4] = (speed >> 8) & 0xff;
+               cmd[5] = speed & 0xff;
        }
 
-       stat = ide_cd_queue_pc(drive, &rq);
+       stat = ide_cd_queue_pc(drive, cmd, 0, NULL, 0, &sense, 0, 0);
 
        if (!ide_cdrom_get_capabilities(drive, buf)) {
                ide_cdrom_update_speed(drive, buf);
@@ -268,21 +268,19 @@ int ide_cdrom_get_mcn(struct cdrom_device_info *cdi,
 {
        ide_drive_t *drive = cdi->handle;
        int stat, mcnlen;
-       struct request rq;
        char buf[24];
+       unsigned char cmd[BLK_MAX_CDB];
+       unsigned len = sizeof(buf);
 
-       ide_cd_init_rq(drive, &rq);
+       memset(cmd, 0, BLK_MAX_CDB);
 
-       rq.data = buf;
-       rq.data_len = sizeof(buf);
+       cmd[0] = GPCMD_READ_SUBCHANNEL;
+       cmd[1] = 2;             /* MSF addressing */
+       cmd[2] = 0x40;  /* request subQ data */
+       cmd[3] = 2;             /* format */
+       cmd[8] = len;
 
-       rq.cmd[0] = GPCMD_READ_SUBCHANNEL;
-       rq.cmd[1] = 2;          /* MSF addressing */
-       rq.cmd[2] = 0x40;       /* request subQ data */
-       rq.cmd[3] = 2;          /* format */
-       rq.cmd[8] = sizeof(buf);
-
-       stat = ide_cd_queue_pc(drive, &rq);
+       stat = ide_cd_queue_pc(drive, cmd, 0, buf, &len, NULL, 0, 0);
        if (stat)
                return stat;
 
@@ -298,14 +296,14 @@ int ide_cdrom_reset(struct cdrom_device_info *cdi)
        ide_drive_t *drive = cdi->handle;
        struct cdrom_info *cd = drive->driver_data;
        struct request_sense sense;
-       struct request req;
+       struct request *rq;
        int ret;
 
-       ide_cd_init_rq(drive, &req);
-       req.cmd_type = REQ_TYPE_SPECIAL;
-       req.cmd_flags = REQ_QUIET;
-       ret = ide_do_drive_cmd(drive, &req, ide_wait);
-
+       rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
+       rq->cmd_type = REQ_TYPE_SPECIAL;
+       rq->cmd_flags = REQ_QUIET;
+       ret = blk_execute_rq(drive->queue, cd->disk, rq, 0);
+       blk_put_request(rq);
        /*
         * A reset will unlock the door. If it was previously locked,
         * lock it again.
@@ -351,8 +349,8 @@ static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg)
        struct atapi_toc_entry *first_toc, *last_toc;
        unsigned long lba_start, lba_end;
        int stat;
-       struct request rq;
        struct request_sense sense;
+       unsigned char cmd[BLK_MAX_CDB];
 
        stat = ide_cd_get_toc_entry(drive, ti->cdti_trk0, &first_toc);
        if (stat)
@@ -370,14 +368,13 @@ static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg)
        if (lba_end <= lba_start)
                return -EINVAL;
 
-       ide_cd_init_rq(drive, &rq);
+       memset(cmd, 0, BLK_MAX_CDB);
 
-       rq.sense = &sense;
-       rq.cmd[0] = GPCMD_PLAY_AUDIO_MSF;
-       lba_to_msf(lba_start,   &rq.cmd[3], &rq.cmd[4], &rq.cmd[5]);
-       lba_to_msf(lba_end - 1, &rq.cmd[6], &rq.cmd[7], &rq.cmd[8]);
+       cmd[0] = GPCMD_PLAY_AUDIO_MSF;
+       lba_to_msf(lba_start,   &cmd[3], &cmd[4], &cmd[5]);
+       lba_to_msf(lba_end - 1, &cmd[6], &cmd[7], &cmd[8]);
 
-       return ide_cd_queue_pc(drive, &rq);
+       return ide_cd_queue_pc(drive, cmd, 0, NULL, 0, &sense, 0, 0);
 }
 
 static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg)
@@ -447,8 +444,9 @@ int ide_cdrom_audio_ioctl(struct cdrom_device_info *cdi,
 int ide_cdrom_packet(struct cdrom_device_info *cdi,
                            struct packet_command *cgc)
 {
-       struct request req;
        ide_drive_t *drive = cdi->handle;
+       unsigned int flags = 0;
+       unsigned len = cgc->buflen;
 
        if (cgc->timeout <= 0)
                cgc->timeout = ATAPI_WAIT_PC;
@@ -456,24 +454,21 @@ int ide_cdrom_packet(struct cdrom_device_info *cdi,
        /* here we queue the commands from the uniform CD-ROM
           layer. the packet must be complete, as we do not
           touch it at all. */
-       ide_cd_init_rq(drive, &req);
 
        if (cgc->data_direction == CGC_DATA_WRITE)
-               req.cmd_flags |= REQ_RW;
+               flags |= REQ_RW;
 
-       memcpy(req.cmd, cgc->cmd, CDROM_PACKET_SIZE);
        if (cgc->sense)
                memset(cgc->sense, 0, sizeof(struct request_sense));
-       req.data = cgc->buffer;
-       req.data_len = cgc->buflen;
-       req.timeout = cgc->timeout;
 
        if (cgc->quiet)
-               req.cmd_flags |= REQ_QUIET;
+               flags |= REQ_QUIET;
 
-       req.sense = cgc->sense;
-       cgc->stat = ide_cd_queue_pc(drive, &req);
+       cgc->stat = ide_cd_queue_pc(drive, cgc->cmd,
+                                   cgc->data_direction == CGC_DATA_WRITE,
+                                   cgc->buffer, &len,
+                                   cgc->sense, cgc->timeout, flags);
        if (!cgc->stat)
-               cgc->buflen -= req.data_len;
+               cgc->buflen -= len;
        return cgc->stat;
 }