#define IDESCSI_DEBUG_LOG 0
-typedef struct idescsi_pc_s {
- u8 c[12]; /* Actual packet bytes */
- int request_transfer; /* Bytes to transfer */
- int actually_transferred; /* Bytes actually transferred */
- int buffer_size; /* Size of our data buffer */
- struct request *rq; /* The corresponding request */
- u8 *buffer; /* Data buffer */
- u8 *current_position; /* Pointer into the above buffer */
- struct scatterlist *sg; /* Scatter gather table */
- unsigned int sg_cnt; /* Number of entries in sg */
- int b_count; /* Bytes transferred from current entry */
- struct scsi_cmnd *scsi_cmd; /* SCSI command */
- void (*done)(struct scsi_cmnd *); /* Scsi completion routine */
- unsigned long flags; /* Status/Action flags */
- unsigned long timeout; /* Command timeout */
-} idescsi_pc_t;
-
-/*
- * Packet command status bits.
- */
-#define PC_DMA_IN_PROGRESS 0 /* 1 while DMA in progress */
-#define PC_WRITING 1 /* Data direction */
-#define PC_TIMEDOUT 3 /* command timed out */
-#define PC_DMA_OK 4 /* Use DMA */
+#if IDESCSI_DEBUG_LOG
+#define debug_log(fmt, args...) \
+ printk(KERN_INFO "ide-scsi: " fmt, ## args)
+#else
+#define debug_log(fmt, args...) do {} while (0)
+#endif
/*
* SCSI command transformation layer
struct gendisk *disk;
struct Scsi_Host *host;
- idescsi_pc_t *pc; /* Current packet command */
+ struct ide_atapi_pc *pc; /* Current packet command */
unsigned long flags; /* Status/Action flags */
unsigned long transform; /* SCSI cmd translation layer */
unsigned long log; /* log flags */
} idescsi_scsi_t;
static DEFINE_MUTEX(idescsi_ref_mutex);
-static int idescsi_nocd; /* Set by module param to skip cd */
+/* Set by module param to skip cd */
+static int idescsi_nocd;
#define ide_scsi_g(disk) \
container_of((disk)->private_data, struct ide_scsi_obj, driver)
*/
#define IDESCSI_PC_RQ 90
-static void idescsi_discard_data (ide_drive_t *drive, unsigned int bcount)
-{
- while (bcount--)
- (void) HWIF(drive)->INB(IDE_DATA_REG);
-}
-
-static void idescsi_output_zeros (ide_drive_t *drive, unsigned int bcount)
-{
- while (bcount--)
- HWIF(drive)->OUTB(0, IDE_DATA_REG);
-}
-
/*
- * PIO data transfer routines using the scatter gather table.
+ * PIO data transfer routine using the scatter gather table.
*/
-static void idescsi_input_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsigned int bcount)
+static void ide_scsi_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
+ unsigned int bcount, int write)
{
- int count;
+ ide_hwif_t *hwif = drive->hwif;
+ xfer_func_t *xf = write ? hwif->output_data : hwif->input_data;
char *buf;
+ int count;
while (bcount) {
count = min(pc->sg->length - pc->b_count, bcount);
local_irq_save(flags);
buf = kmap_atomic(sg_page(pc->sg), KM_IRQ0) +
- pc->sg->offset;
- drive->hwif->atapi_input_bytes(drive,
- buf + pc->b_count, count);
+ pc->sg->offset;
+ xf(drive, NULL, buf + pc->b_count, count);
kunmap_atomic(buf - pc->sg->offset, KM_IRQ0);
local_irq_restore(flags);
} else {
buf = sg_virt(pc->sg);
- drive->hwif->atapi_input_bytes(drive,
- buf + pc->b_count, count);
+ xf(drive, NULL, buf + pc->b_count, count);
}
bcount -= count; pc->b_count += count;
if (pc->b_count == pc->sg->length) {
}
if (bcount) {
- printk (KERN_ERR "ide-scsi: scatter gather table too small, discarding data\n");
- idescsi_discard_data (drive, bcount);
+ printk(KERN_ERR "%s: scatter gather table too small, %s\n",
+ drive->name, write ? "padding with zeros"
+ : "discarding data");
+ ide_pad_transfer(drive, write, bcount);
}
}
-static void idescsi_output_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsigned int bcount)
+static void ide_scsi_hex_dump(u8 *data, int len)
{
- int count;
- char *buf;
+ print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, data, len, 0);
+}
- while (bcount) {
- count = min(pc->sg->length - pc->b_count, bcount);
- if (PageHighMem(sg_page(pc->sg))) {
- unsigned long flags;
+static int idescsi_end_request(ide_drive_t *, int, int);
- local_irq_save(flags);
- buf = kmap_atomic(sg_page(pc->sg), KM_IRQ0) +
- pc->sg->offset;
- drive->hwif->atapi_output_bytes(drive,
- buf + pc->b_count, count);
- kunmap_atomic(buf - pc->sg->offset, KM_IRQ0);
- local_irq_restore(flags);
- } else {
- buf = sg_virt(pc->sg);
- drive->hwif->atapi_output_bytes(drive,
- buf + pc->b_count, count);
- }
- bcount -= count; pc->b_count += count;
- if (pc->b_count == pc->sg->length) {
- if (!--pc->sg_cnt)
- break;
- pc->sg = sg_next(pc->sg);
- pc->b_count = 0;
- }
- }
+static void ide_scsi_callback(ide_drive_t *drive)
+{
+ idescsi_scsi_t *scsi = drive_to_idescsi(drive);
+ struct ide_atapi_pc *pc = scsi->pc;
- if (bcount) {
- printk (KERN_ERR "ide-scsi: scatter gather table too small, padding with zeros\n");
- idescsi_output_zeros (drive, bcount);
- }
-}
+ if (pc->flags & PC_FLAG_TIMEDOUT)
+ debug_log("%s: got timed out packet %lu at %lu\n", __func__,
+ pc->scsi_cmd->serial_number, jiffies);
+ /* end this request now - scsi should retry it*/
+ else if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
+ printk(KERN_INFO "Packet command completed, %d bytes"
+ " transferred\n", pc->xferred);
-static void ide_scsi_hex_dump(u8 *data, int len)
-{
- print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, data, len, 0);
+ idescsi_end_request(drive, 1, 0);
}
-static int idescsi_check_condition(ide_drive_t *drive, struct request *failed_command)
+static int idescsi_check_condition(ide_drive_t *drive,
+ struct request *failed_cmd)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- idescsi_pc_t *pc;
+ struct ide_atapi_pc *pc;
struct request *rq;
u8 *buf;
/* stuff a sense request in front of our current request */
- pc = kzalloc(sizeof(idescsi_pc_t), GFP_ATOMIC);
+ pc = kzalloc(sizeof(struct ide_atapi_pc), GFP_ATOMIC);
rq = kmalloc(sizeof(struct request), GFP_ATOMIC);
buf = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_ATOMIC);
if (!pc || !rq || !buf) {
kfree(pc);
return -ENOMEM;
}
- ide_init_drive_cmd(rq);
+ blk_rq_init(NULL, rq);
rq->special = (char *) pc;
pc->rq = rq;
- pc->buffer = buf;
+ pc->buf = buf;
pc->c[0] = REQUEST_SENSE;
- pc->c[4] = pc->request_transfer = pc->buffer_size = SCSI_SENSE_BUFFERSIZE;
+ pc->c[4] = pc->req_xfer = pc->buf_size = SCSI_SENSE_BUFFERSIZE;
rq->cmd_type = REQ_TYPE_SENSE;
+ rq->cmd_flags |= REQ_PREEMPT;
pc->timeout = jiffies + WAIT_READY;
+ pc->callback = ide_scsi_callback;
/* NOTE! Save the failed packet command in "rq->buffer" */
- rq->buffer = (void *) failed_command->special;
- pc->scsi_cmd = ((idescsi_pc_t *) failed_command->special)->scsi_cmd;
+ rq->buffer = (void *) failed_cmd->special;
+ pc->scsi_cmd = ((struct ide_atapi_pc *) failed_cmd->special)->scsi_cmd;
if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) {
printk ("ide-scsi: %s: queue cmd = ", drive->name);
ide_scsi_hex_dump(pc->c, 6);
}
rq->rq_disk = scsi->disk;
- return ide_do_drive_cmd(drive, rq, ide_preempt);
+ ide_do_drive_cmd(drive, rq);
+ return 0;
}
-static int idescsi_end_request(ide_drive_t *, int, int);
-
static ide_startstop_t
idescsi_atapi_error(ide_drive_t *drive, struct request *rq, u8 stat, u8 err)
{
+ ide_hwif_t *hwif = drive->hwif;
+
if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT))
/* force an abort */
- HWIF(drive)->OUTB(WIN_IDLEIMMEDIATE,IDE_COMMAND_REG);
+ hwif->OUTBSYNC(hwif, WIN_IDLEIMMEDIATE,
+ hwif->io_ports.command_addr);
rq->errors++;
static ide_startstop_t
idescsi_atapi_abort(ide_drive_t *drive, struct request *rq)
{
-#if IDESCSI_DEBUG_LOG
- printk(KERN_WARNING "idescsi_atapi_abort called for %lu\n",
- ((idescsi_pc_t *) rq->special)->scsi_cmd->serial_number);
-#endif
+ debug_log("%s called for %lu\n", __func__,
+ ((struct ide_atapi_pc *) rq->special)->scsi_cmd->serial_number);
+
rq->errors |= ERROR_MAX;
idescsi_end_request(drive, 0, 0);
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
struct request *rq = HWGROUP(drive)->rq;
- idescsi_pc_t *pc = (idescsi_pc_t *) rq->special;
+ struct ide_atapi_pc *pc = (struct ide_atapi_pc *) rq->special;
int log = test_bit(IDESCSI_LOG_CMD, &scsi->log);
struct Scsi_Host *host;
int errors = rq->errors;
}
ide_end_drive_cmd (drive, 0, 0);
if (blk_sense_request(rq)) {
- idescsi_pc_t *opc = (idescsi_pc_t *) rq->buffer;
+ struct ide_atapi_pc *opc = (struct ide_atapi_pc *) rq->buffer;
if (log) {
printk ("ide-scsi: %s: wrap up check %lu, rst = ", drive->name, opc->scsi_cmd->serial_number);
- ide_scsi_hex_dump(pc->buffer, 16);
+ ide_scsi_hex_dump(pc->buf, 16);
}
- memcpy((void *) opc->scsi_cmd->sense_buffer, pc->buffer, SCSI_SENSE_BUFFERSIZE);
- kfree(pc->buffer);
+ memcpy((void *) opc->scsi_cmd->sense_buffer, pc->buf,
+ SCSI_SENSE_BUFFERSIZE);
+ kfree(pc->buf);
kfree(pc);
kfree(rq);
pc = opc;
rq = pc->rq;
pc->scsi_cmd->result = (CHECK_CONDITION << 1) |
- ((test_bit(PC_TIMEDOUT, &pc->flags)?DID_TIME_OUT:DID_OK) << 16);
- } else if (test_bit(PC_TIMEDOUT, &pc->flags)) {
+ (((pc->flags & PC_FLAG_TIMEDOUT) ?
+ DID_TIME_OUT :
+ DID_OK) << 16);
+ } else if (pc->flags & PC_FLAG_TIMEDOUT) {
if (log)
printk (KERN_WARNING "ide-scsi: %s: timed out for %lu\n",
drive->name, pc->scsi_cmd->serial_number);
return 0;
}
-static inline unsigned long get_timeout(idescsi_pc_t *pc)
+static inline unsigned long get_timeout(struct ide_atapi_pc *pc)
{
return max_t(unsigned long, WAIT_CMD, pc->timeout - jiffies);
}
static int idescsi_expiry(ide_drive_t *drive)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- idescsi_pc_t *pc = scsi->pc;
+ struct ide_atapi_pc *pc = scsi->pc;
-#if IDESCSI_DEBUG_LOG
- printk(KERN_WARNING "idescsi_expiry called for %lu at %lu\n", pc->scsi_cmd->serial_number, jiffies);
-#endif
- set_bit(PC_TIMEDOUT, &pc->flags);
+ debug_log("%s called for %lu at %lu\n", __func__,
+ pc->scsi_cmd->serial_number, jiffies);
+
+ pc->flags |= PC_FLAG_TIMEDOUT;
return 0; /* we do not want the ide subsystem to retry */
}
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
ide_hwif_t *hwif = drive->hwif;
- idescsi_pc_t *pc = scsi->pc;
+ struct ide_atapi_pc *pc = scsi->pc;
struct request *rq = pc->rq;
+ xfer_func_t *xferfunc;
unsigned int temp;
u16 bcount;
u8 stat, ireason;
-#if IDESCSI_DEBUG_LOG
- printk (KERN_INFO "ide-scsi: Reached idescsi_pc_intr interrupt handler\n");
-#endif /* IDESCSI_DEBUG_LOG */
+ debug_log("Reached %s interrupt handler\n", __func__);
- if (test_bit(PC_TIMEDOUT, &pc->flags)){
-#if IDESCSI_DEBUG_LOG
- printk(KERN_WARNING "idescsi_pc_intr: got timed out packet %lu at %lu\n",
- pc->scsi_cmd->serial_number, jiffies);
-#endif
- /* end this request now - scsi should retry it*/
- idescsi_end_request (drive, 1, 0);
+ if (pc->flags & PC_FLAG_TIMEDOUT) {
+ pc->callback(drive);
return ide_stopped;
}
- if (test_and_clear_bit (PC_DMA_IN_PROGRESS, &pc->flags)) {
-#if IDESCSI_DEBUG_LOG
- printk ("ide-scsi: %s: DMA complete\n", drive->name);
-#endif /* IDESCSI_DEBUG_LOG */
- pc->actually_transferred=pc->request_transfer;
- (void) HWIF(drive)->ide_dma_end(drive);
+ if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
+ if (hwif->dma_ops->dma_end(drive))
+ pc->flags |= PC_FLAG_DMA_ERROR;
+ else
+ pc->xferred = pc->req_xfer;
+ debug_log("%s: DMA finished\n", drive->name);
}
/* Clear the interrupt */
if ((stat & DRQ_STAT) == 0) {
/* No more interrupts */
- if (test_bit(IDESCSI_LOG_CMD, &scsi->log))
- printk (KERN_INFO "Packet command completed, %d bytes transferred\n", pc->actually_transferred);
+ pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;
local_irq_enable_in_hardirq();
- if (stat & ERR_STAT)
+ if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR))
rq->errors++;
- idescsi_end_request (drive, 1, 0);
+ pc->callback(drive);
return ide_stopped;
}
- bcount = (hwif->INB(IDE_BCOUNTH_REG) << 8) |
- hwif->INB(IDE_BCOUNTL_REG);
- ireason = hwif->INB(IDE_IREASON_REG);
+ if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
+ pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;
+ printk(KERN_ERR "%s: The device wants to issue more interrupts "
+ "in DMA mode\n", drive->name);
+ ide_dma_off(drive);
+ return ide_do_reset(drive);
+ }
+ bcount = (hwif->INB(hwif->io_ports.lbah_addr) << 8) |
+ hwif->INB(hwif->io_ports.lbam_addr);
+ ireason = hwif->INB(hwif->io_ports.nsect_addr);
if (ireason & CD) {
- printk(KERN_ERR "ide-scsi: CoD != 0 in idescsi_pc_intr\n");
+ printk(KERN_ERR "%s: CoD != 0 in %s\n", drive->name, __func__);
return ide_do_reset (drive);
}
- if (ireason & IO) {
- temp = pc->actually_transferred + bcount;
- if (temp > pc->request_transfer) {
- if (temp > pc->buffer_size) {
- printk(KERN_ERR "ide-scsi: The scsi wants to "
- "send us more data than expected "
- "- discarding data\n");
- temp = pc->buffer_size - pc->actually_transferred;
+ if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) {
+ /* Hopefully, we will never get here */
+ printk(KERN_ERR "%s: We wanted to %s, but the device wants us "
+ "to %s!\n", drive->name,
+ (ireason & IO) ? "Write" : "Read",
+ (ireason & IO) ? "Read" : "Write");
+ return ide_do_reset(drive);
+ }
+ if (!(pc->flags & PC_FLAG_WRITING)) {
+ temp = pc->xferred + bcount;
+ if (temp > pc->req_xfer) {
+ if (temp > pc->buf_size) {
+ printk(KERN_ERR "%s: The device wants to send "
+ "us more data than expected - "
+ "discarding data\n",
+ drive->name);
+ temp = pc->buf_size - pc->xferred;
if (temp) {
- clear_bit(PC_WRITING, &pc->flags);
if (pc->sg)
- idescsi_input_buffers(drive, pc, temp);
+ ide_scsi_io_buffers(drive, pc,
+ temp, 0);
else
- drive->hwif->atapi_input_bytes(drive, pc->current_position, temp);
- printk(KERN_ERR "ide-scsi: transferred"
- " %d of %d bytes\n",
+ hwif->input_data(drive, NULL,
+ pc->cur_pos, temp);
+ printk(KERN_ERR "%s: transferred %d of "
+ "%d bytes\n",
+ drive->name,
temp, bcount);
}
- pc->actually_transferred += temp;
- pc->current_position += temp;
- idescsi_discard_data(drive, bcount - temp);
+ pc->xferred += temp;
+ pc->cur_pos += temp;
+ ide_pad_transfer(drive, 0, bcount - temp);
ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
return ide_started;
}
-#if IDESCSI_DEBUG_LOG
- printk (KERN_NOTICE "ide-scsi: The scsi wants to send us more data than expected - allowing transfer\n");
-#endif /* IDESCSI_DEBUG_LOG */
+ debug_log("The device wants to send us more data than "
+ "expected - allowing transfer\n");
}
- }
- if (ireason & IO) {
- clear_bit(PC_WRITING, &pc->flags);
- if (pc->sg)
- idescsi_input_buffers(drive, pc, bcount);
- else
- hwif->atapi_input_bytes(drive, pc->current_position,
- bcount);
- } else {
- set_bit(PC_WRITING, &pc->flags);
- if (pc->sg)
- idescsi_output_buffers(drive, pc, bcount);
- else
- hwif->atapi_output_bytes(drive, pc->current_position,
- bcount);
- }
+ xferfunc = hwif->input_data;
+ } else
+ xferfunc = hwif->output_data;
+
+ if (pc->sg)
+ ide_scsi_io_buffers(drive, pc, bcount,
+ !!(pc->flags & PC_FLAG_WRITING));
+ else
+ xferfunc(drive, NULL, pc->cur_pos, bcount);
+
/* Update the current position */
- pc->actually_transferred += bcount;
- pc->current_position += bcount;
+ pc->xferred += bcount;
+ pc->cur_pos += bcount;
/* And set the interrupt handler again */
ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
static ide_startstop_t idescsi_transfer_pc(ide_drive_t *drive)
{
- ide_hwif_t *hwif = drive->hwif;
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- idescsi_pc_t *pc = scsi->pc;
- ide_startstop_t startstop;
- u8 ireason;
-
- if (ide_wait_stat(&startstop,drive,DRQ_STAT,BUSY_STAT,WAIT_READY)) {
- printk(KERN_ERR "ide-scsi: Strange, packet command "
- "initiated yet DRQ isn't asserted\n");
- return startstop;
- }
- ireason = hwif->INB(IDE_IREASON_REG);
- if ((ireason & CD) == 0 || (ireason & IO)) {
- printk(KERN_ERR "ide-scsi: (IO,CoD) != (0,1) while "
- "issuing a packet command\n");
- return ide_do_reset (drive);
- }
- BUG_ON(HWGROUP(drive)->handler != NULL);
- /* Set the interrupt routine */
- ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
- /* Send the actual packet */
- drive->hwif->atapi_output_bytes(drive, scsi->pc->c, 12);
- if (test_bit (PC_DMA_OK, &pc->flags)) {
- set_bit (PC_DMA_IN_PROGRESS, &pc->flags);
- hwif->dma_start(drive);
- }
- return ide_started;
+
+ return ide_transfer_pc(drive, scsi->pc, idescsi_pc_intr,
+ get_timeout(scsi->pc), idescsi_expiry);
}
-static inline int idescsi_set_direction(idescsi_pc_t *pc)
+static inline int idescsi_set_direction(struct ide_atapi_pc *pc)
{
switch (pc->c[0]) {
case READ_6: case READ_10: case READ_12:
- clear_bit(PC_WRITING, &pc->flags);
+ pc->flags &= ~PC_FLAG_WRITING;
return 0;
case WRITE_6: case WRITE_10: case WRITE_12:
- set_bit(PC_WRITING, &pc->flags);
+ pc->flags |= PC_FLAG_WRITING;
return 0;
default:
return 1;
}
}
-static int idescsi_map_sg(ide_drive_t *drive, idescsi_pc_t *pc)
+static int idescsi_map_sg(ide_drive_t *drive, struct ide_atapi_pc *pc)
{
ide_hwif_t *hwif = drive->hwif;
struct scatterlist *sg, *scsi_sg;
int segments;
- if (!pc->request_transfer || pc->request_transfer % 1024)
+ if (!pc->req_xfer || pc->req_xfer % 1024)
return 1;
if (idescsi_set_direction(pc))
return 0;
}
-/*
- * Issue a packet command
- */
-static ide_startstop_t idescsi_issue_pc (ide_drive_t *drive, idescsi_pc_t *pc)
+static ide_startstop_t idescsi_issue_pc(ide_drive_t *drive,
+ struct ide_atapi_pc *pc)
{
idescsi_scsi_t *scsi = drive_to_idescsi(drive);
- ide_hwif_t *hwif = drive->hwif;
- u16 bcount;
- u8 dma = 0;
-
- scsi->pc=pc; /* Set the current packet command */
- pc->actually_transferred=0; /* We haven't transferred any data yet */
- pc->current_position=pc->buffer;
- /* Request to transfer the entire buffer at once */
- bcount = min(pc->request_transfer, 63 * 1024);
-
- if (drive->using_dma && !idescsi_map_sg(drive, pc)) {
- hwif->sg_mapped = 1;
- dma = !hwif->dma_setup(drive);
- hwif->sg_mapped = 0;
- }
-
- ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK, bcount, dma);
- if (dma)
- set_bit(PC_DMA_OK, &pc->flags);
+ /* Set the current packet command */
+ scsi->pc = pc;
- if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags)) {
- ide_execute_command(drive, WIN_PACKETCMD, &idescsi_transfer_pc,
- get_timeout(pc), idescsi_expiry);
- return ide_started;
- } else {
- /* Issue the packet command */
- HWIF(drive)->OUTB(WIN_PACKETCMD, IDE_COMMAND_REG);
- return idescsi_transfer_pc(drive);
- }
+ return ide_issue_pc(drive, pc, idescsi_transfer_pc,
+ get_timeout(pc), idescsi_expiry);
}
/*
*/
static ide_startstop_t idescsi_do_request (ide_drive_t *drive, struct request *rq, sector_t block)
{
-#if IDESCSI_DEBUG_LOG
- printk (KERN_INFO "dev: %s, cmd: %x, errors: %d\n", rq->rq_disk->disk_name,rq->cmd[0],rq->errors);
- printk (KERN_INFO "sector: %ld, nr_sectors: %ld, current_nr_sectors: %d\n",rq->sector,rq->nr_sectors,rq->current_nr_sectors);
-#endif /* IDESCSI_DEBUG_LOG */
+ debug_log("dev: %s, cmd: %x, errors: %d\n", rq->rq_disk->disk_name,
+ rq->cmd[0], rq->errors);
+ debug_log("sector: %ld, nr_sectors: %ld, current_nr_sectors: %d\n",
+ rq->sector, rq->nr_sectors, rq->current_nr_sectors);
if (blk_sense_request(rq) || blk_special_request(rq)) {
- return idescsi_issue_pc (drive, (idescsi_pc_t *) rq->special);
+ struct ide_atapi_pc *pc = (struct ide_atapi_pc *)rq->special;
+ idescsi_scsi_t *scsi = drive_to_idescsi(drive);
+
+ if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags))
+ pc->flags |= PC_FLAG_DRQ_INTERRUPT;
+
+ if (drive->using_dma && !idescsi_map_sg(drive, pc))
+ pc->flags |= PC_FLAG_DMA_OK;
+
+ return idescsi_issue_pc(drive, pc);
}
blk_dump_rq_flags(rq, "ide-scsi: unsup command");
idescsi_end_request (drive, 0, 0);
put_disk(g);
ide_scsi_put(scsi);
+
+ drive->scsi = 0;
}
static int ide_scsi_probe(ide_drive_t *);
idescsi_scsi_t *scsi = scsihost_to_idescsi(host);
ide_drive_t *drive = scsi->drive;
struct request *rq = NULL;
- idescsi_pc_t *pc = NULL;
+ struct ide_atapi_pc *pc = NULL;
if (!drive) {
scmd_printk (KERN_ERR, cmd, "drive not present\n");
goto abort;
}
scsi = drive_to_idescsi(drive);
- pc = kmalloc (sizeof (idescsi_pc_t), GFP_ATOMIC);
- rq = kmalloc (sizeof (struct request), GFP_ATOMIC);
+ pc = kmalloc(sizeof(struct ide_atapi_pc), GFP_ATOMIC);
+ rq = kmalloc(sizeof(struct request), GFP_ATOMIC);
if (rq == NULL || pc == NULL) {
printk (KERN_ERR "ide-scsi: %s: out of memory\n", drive->name);
goto abort;
memset (pc->c, 0, 12);
pc->flags = 0;
+ if (cmd->sc_data_direction == DMA_TO_DEVICE)
+ pc->flags |= PC_FLAG_WRITING;
pc->rq = rq;
memcpy (pc->c, cmd->cmnd, cmd->cmd_len);
- pc->buffer = NULL;
+ pc->buf = NULL;
pc->sg = scsi_sglist(cmd);
pc->sg_cnt = scsi_sg_count(cmd);
pc->b_count = 0;
- pc->request_transfer = pc->buffer_size = scsi_bufflen(cmd);
+ pc->req_xfer = pc->buf_size = scsi_bufflen(cmd);
pc->scsi_cmd = cmd;
pc->done = done;
pc->timeout = jiffies + cmd->timeout_per_command;
+ pc->callback = ide_scsi_callback;
if (test_bit(IDESCSI_LOG_CMD, &scsi->log)) {
printk ("ide-scsi: %s: que %lu, cmd = ", drive->name, cmd->serial_number);
}
}
- ide_init_drive_cmd (rq);
+ blk_rq_init(NULL, rq);
rq->special = (char *) pc;
rq->cmd_type = REQ_TYPE_SPECIAL;
spin_unlock_irq(host->host_lock);
- rq->rq_disk = scsi->disk;
- (void) ide_do_drive_cmd (drive, rq, ide_end);
+ blk_execute_rq_nowait(drive->queue, scsi->disk, rq, 0, NULL);
spin_lock_irq(host->host_lock);
return 0;
abort:
printk (KERN_ERR "ide-scsi: cmd aborted!\n");
if (blk_sense_request(scsi->pc->rq))
- kfree(scsi->pc->buffer);
+ kfree(scsi->pc->buf);
kfree(scsi->pc->rq);
kfree(scsi->pc);
scsi->pc = NULL;
if (__blk_end_request(req, -EIO, 0))
BUG();
if (blk_sense_request(req))
- kfree(scsi->pc->buffer);
+ kfree(scsi->pc->buf);
kfree(scsi->pc);
scsi->pc = NULL;
kfree(req);
!(host = scsi_host_alloc(&idescsi_template,sizeof(idescsi_scsi_t))))
return -ENODEV;
+ drive->scsi = 1;
+
g = alloc_disk(1 << PARTN_BITS);
if (!g)
goto out_host_put;
host->max_id = 1;
-#if IDESCSI_DEBUG_LOG
if (drive->id->last_lun)
- printk(KERN_NOTICE "%s: id->last_lun=%u\n", drive->name, drive->id->last_lun);
-#endif
+ debug_log("%s: id->last_lun=%u\n", drive->name,
+ drive->id->last_lun);
+
if ((drive->id->last_lun & 0x7) != 7)
host->max_lun = (drive->id->last_lun & 0x7) + 1;
else
put_disk(g);
out_host_put:
+ drive->scsi = 0;
scsi_host_put(host);
return err;
}
projects / linux-2.6 / blobdiff