* */
#define NCR_700_VERSION "2.8"
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>
#include <linux/blkdev.h>
#include <linux/module.h>
#include <linux/interrupt.h>
+#include <linux/device.h>
#include <asm/dma.h>
#include <asm/system.h>
#include <asm/io.h>
STATIC int NCR_700_host_reset(struct scsi_cmnd * SCpnt);
STATIC void NCR_700_chip_setup(struct Scsi_Host *host);
STATIC void NCR_700_chip_reset(struct Scsi_Host *host);
+STATIC int NCR_700_slave_alloc(struct scsi_device *SDpnt);
STATIC int NCR_700_slave_configure(struct scsi_device *SDpnt);
STATIC void NCR_700_slave_destroy(struct scsi_device *SDpnt);
static int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth);
"MSG IN",
};
-static __u8 NCR_700_SDTR_msg[] = {
- 0x01, /* Extended message */
- 0x03, /* Extended message Length */
- 0x01, /* SDTR Extended message */
- NCR_700_MIN_PERIOD,
- NCR_700_MAX_OFFSET
-};
-
/* This translates the SDTR message offset and period to a value
* which can be loaded into the SXFER_REG.
*
return 0;
if(period < hostdata->min_period) {
- printk(KERN_WARNING "53c700: Period %dns is less than this chip's minimum, setting to %d\n", period*4, NCR_700_SDTR_msg[3]*4);
+ printk(KERN_WARNING "53c700: Period %dns is less than this chip's minimum, setting to %d\n", period*4, NCR_700_MIN_PERIOD*4);
period = hostdata->min_period;
}
XFERP = (period*4 * hostdata->sync_clock)/1000 - 4;
BUG_ON(!dma_is_consistent(pScript) && L1_CACHE_BYTES < dma_get_cache_alignment());
hostdata->slots = (struct NCR_700_command_slot *)(memory + SLOTS_OFFSET);
hostdata->dev = dev;
-
+
pSlots = pScript + SLOTS_OFFSET;
/* Fill in the missing routines from the host template */
tpnt->use_clustering = ENABLE_CLUSTERING;
tpnt->slave_configure = NCR_700_slave_configure;
tpnt->slave_destroy = NCR_700_slave_destroy;
+ tpnt->slave_alloc = NCR_700_slave_alloc;
tpnt->change_queue_depth = NCR_700_change_queue_depth;
tpnt->change_queue_type = NCR_700_change_queue_type;
-
+
if(tpnt->name == NULL)
tpnt->name = "53c700";
if(tpnt->proc_name == NULL)
tpnt->proc_name = "53c700";
-
host = scsi_host_alloc(tpnt, 4);
if (!host)
return NULL;
memset(hostdata->slots, 0, sizeof(struct NCR_700_command_slot)
* NCR_700_COMMAND_SLOTS_PER_HOST);
- for(j = 0; j < NCR_700_COMMAND_SLOTS_PER_HOST; j++) {
+ for (j = 0; j < NCR_700_COMMAND_SLOTS_PER_HOST; j++) {
dma_addr_t offset = (dma_addr_t)((unsigned long)&hostdata->slots[j].SG[0]
- (unsigned long)&hostdata->slots[0].SG[0]);
hostdata->slots[j].pSG = (struct NCR_700_SG_List *)((unsigned long)(pSlots + offset));
hostdata->slots[j].state = NCR_700_SLOT_FREE;
}
- for(j = 0; j < sizeof(SCRIPT)/sizeof(SCRIPT[0]); j++) {
+ for (j = 0; j < ARRAY_SIZE(SCRIPT); j++)
script[j] = bS_to_host(SCRIPT[j]);
- }
/* adjust all labels to be bus physical */
- for(j = 0; j < PATCHES; j++) {
+ for (j = 0; j < PATCHES; j++)
script[LABELPATCHES[j]] = bS_to_host(pScript + SCRIPT[LABELPATCHES[j]]);
- }
/* now patch up fixed addresses. */
script_patch_32(script, MessageLocation,
pScript + MSGOUT_OFFSET);
dma_sync_single_for_device(hostdata->dev, pScript, sizeof(SCRIPT), DMA_TO_DEVICE);
hostdata->state = NCR_700_HOST_FREE;
hostdata->cmd = NULL;
- host->max_id = 7;
+ host->max_id = 8;
host->max_lun = NCR_700_MAX_LUNS;
BUG_ON(NCR_700_transport_template == NULL);
host->transportt = NCR_700_transport_template;
host->hostdata[0] = (unsigned long)hostdata;
/* kick the chip */
NCR_700_writeb(0xff, host, CTEST9_REG);
- if(hostdata->chip710)
+ if (hostdata->chip710)
hostdata->rev = (NCR_700_readb(host, CTEST8_REG)>>4) & 0x0f;
else
hostdata->rev = (NCR_700_readb(host, CTEST7_REG)>>4) & 0x0f;
hostdata->fast = (NCR_700_readb(host, CTEST9_REG) == 0);
- if(banner == 0) {
+ if (banner == 0) {
printk(KERN_NOTICE "53c700: Version " NCR_700_VERSION " By James.Bottomley@HansenPartnership.com\n");
banner = 1;
}
printk(KERN_NOTICE "scsi%d: %s rev %d %s\n", host->host_no,
- hostdata->chip710 ? "53c710" :
+ hostdata->chip710 ? "53c710" :
(hostdata->fast ? "53c700-66" : "53c700"),
hostdata->rev, hostdata->differential ?
"(Differential)" : "");
* finish routine. If we cannot queue the command when it
* is properly build, we then change to NCR_700_SLOT_QUEUED */
slot->state = NCR_700_SLOT_BUSY;
+ slot->flags = 0;
hostdata->command_slot_count++;
return slot;
if(SCp->sc_data_direction != DMA_NONE &&
SCp->sc_data_direction != DMA_BIDIRECTIONAL) {
if(SCp->use_sg) {
- dma_unmap_sg(hostdata->dev, SCp->buffer,
+ dma_unmap_sg(hostdata->dev, SCp->request_buffer,
SCp->use_sg, SCp->sc_data_direction);
} else {
dma_unmap_single(hostdata->dev, slot->dma_handle,
struct NCR_700_command_slot *slot =
(struct NCR_700_command_slot *)SCp->host_scribble;
- NCR_700_unmap(hostdata, SCp, slot);
dma_unmap_single(hostdata->dev, slot->pCmd,
sizeof(SCp->cmnd), DMA_TO_DEVICE);
- if(SCp->cmnd[0] == REQUEST_SENSE && SCp->cmnd[6] == NCR_700_INTERNAL_SENSE_MAGIC) {
+ if (slot->flags == NCR_700_FLAG_AUTOSENSE) {
+ char *cmnd = NCR_700_get_sense_cmnd(SCp->device);
#ifdef NCR_700_DEBUG
printk(" ORIGINAL CMD %p RETURNED %d, new return is %d sense is\n",
SCp, SCp->cmnd[7], result);
scsi_print_sense("53c700", SCp);
#endif
+ dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
/* restore the old result if the request sense was
* successful */
if(result == 0)
- result = SCp->cmnd[7];
- /* now restore the original command */
- memcpy((void *) SCp->cmnd, (void *) SCp->data_cmnd,
- sizeof(SCp->data_cmnd));
- SCp->request_buffer = SCp->buffer;
- SCp->request_bufflen = SCp->bufflen;
- SCp->use_sg = SCp->old_use_sg;
- SCp->cmd_len = SCp->old_cmd_len;
- SCp->sc_data_direction = SCp->sc_old_data_direction;
- SCp->underflow = SCp->old_underflow;
-
- }
+ result = cmnd[7];
+ } else
+ NCR_700_unmap(hostdata, SCp, slot);
+
free_slot(slot, hostdata);
#ifdef NCR_700_DEBUG
if(NCR_700_get_depth(SCp->device) == 0 ||
} else {
/* SDTR message out of the blue, reject it */
- printk(KERN_WARNING "scsi%d Unexpected SDTR msg\n",
- host->host_no);
+ shost_printk(KERN_WARNING, host,
+ "Unexpected SDTR msg\n");
hostdata->msgout[0] = A_REJECT_MSG;
dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE);
script_patch_16(hostdata->script, MessageCount, 1);
printk(KERN_INFO "scsi%d (%d:%d): Unexpected message %s: ",
host->host_no, pun, lun,
NCR_700_phase[(dsps & 0xf00) >> 8]);
- scsi_print_msg(hostdata->msgin);
+ spi_print_msg(hostdata->msgin);
printk("\n");
/* just reject it */
hostdata->msgout[0] = A_REJECT_MSG;
#ifdef NCR_700_DEBUG
printk("scsi%d (%d:%d): message %s: ", host->host_no, pun, lun,
NCR_700_phase[(dsps & 0xf00) >> 8]);
- scsi_print_msg(hostdata->msgin);
+ spi_print_msg(hostdata->msgin);
printk("\n");
#endif
NCR_700_clear_flag(SCp->device, NCR_700_DEV_BEGIN_SYNC_NEGOTIATION);
} else if(SCp != NULL && NCR_700_get_tag_neg_state(SCp->device) == NCR_700_DURING_TAG_NEGOTIATION) {
/* rejected our first simple tag message */
- printk(KERN_WARNING "scsi%d (%d:%d) Rejected first tag queue attempt, turning off tag queueing\n", host->host_no, pun, lun);
+ scmd_printk(KERN_WARNING, SCp,
+ "Rejected first tag queue attempt, turning off tag queueing\n");
/* we're done negotiating */
NCR_700_set_tag_neg_state(SCp->device, NCR_700_FINISHED_TAG_NEGOTIATION);
- hostdata->tag_negotiated &= ~(1<<SCp->device->id);
+ hostdata->tag_negotiated &= ~(1<<scmd_id(SCp));
SCp->device->tagged_supported = 0;
scsi_deactivate_tcq(SCp->device, host->cmd_per_lun);
} else {
- printk(KERN_WARNING "scsi%d (%d:%d) Unexpected REJECT Message %s\n",
- host->host_no, pun, lun,
+ shost_printk(KERN_WARNING, host,
+ "(%d:%d) Unexpected REJECT Message %s\n",
+ pun, lun,
NCR_700_phase[(dsps & 0xf00) >> 8]);
/* however, just ignore it */
}
host->host_no, pun, lun,
NCR_700_phase[(dsps & 0xf00) >> 8]);
- scsi_print_msg(hostdata->msgin);
+ spi_print_msg(hostdata->msgin);
printk("\n");
/* just reject it */
hostdata->msgout[0] = A_REJECT_MSG;
status_byte(hostdata->status[0]) == COMMAND_TERMINATED) {
struct NCR_700_command_slot *slot =
(struct NCR_700_command_slot *)SCp->host_scribble;
- if(SCp->cmnd[0] == REQUEST_SENSE) {
+ if(slot->flags == NCR_700_FLAG_AUTOSENSE) {
/* OOPS: bad device, returning another
* contingent allegiance condition */
- printk(KERN_ERR "scsi%d (%d:%d) broken device is looping in contingent allegiance: ignoring\n", host->host_no, pun, lun);
+ scmd_printk(KERN_ERR, SCp,
+ "broken device is looping in contingent allegiance: ignoring\n");
NCR_700_scsi_done(hostdata, SCp, hostdata->status[0]);
} else {
+ char *cmnd =
+ NCR_700_get_sense_cmnd(SCp->device);
#ifdef NCR_DEBUG
scsi_print_command(SCp);
printk(" cmd %p has status %d, requesting sense\n",
* data associated with the command
* here */
NCR_700_unmap(hostdata, SCp, slot);
-
- SCp->cmnd[0] = REQUEST_SENSE;
- SCp->cmnd[1] = (SCp->device->lun & 0x7) << 5;
- SCp->cmnd[2] = 0;
- SCp->cmnd[3] = 0;
- SCp->cmnd[4] = sizeof(SCp->sense_buffer);
- SCp->cmnd[5] = 0;
- SCp->cmd_len = 6;
+ dma_unmap_single(hostdata->dev, slot->pCmd,
+ sizeof(SCp->cmnd),
+ DMA_TO_DEVICE);
+
+ cmnd[0] = REQUEST_SENSE;
+ cmnd[1] = (SCp->device->lun & 0x7) << 5;
+ cmnd[2] = 0;
+ cmnd[3] = 0;
+ cmnd[4] = sizeof(SCp->sense_buffer);
+ cmnd[5] = 0;
/* Here's a quiet hack: the
* REQUEST_SENSE command is six bytes,
* so store a flag indicating that
* this was an internal sense request
* and the original status at the end
* of the command */
- SCp->cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC;
- SCp->cmnd[7] = hostdata->status[0];
- SCp->use_sg = 0;
- SCp->sc_data_direction = DMA_FROM_DEVICE;
- dma_sync_single_for_device(hostdata->dev, slot->pCmd,
- SCp->cmd_len, DMA_TO_DEVICE);
- SCp->request_bufflen = sizeof(SCp->sense_buffer);
+ cmnd[6] = NCR_700_INTERNAL_SENSE_MAGIC;
+ cmnd[7] = hostdata->status[0];
+ slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE);
slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE);
slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer));
slot->SG[0].pAddr = bS_to_host(slot->dma_handle);
/* queue the command for reissue */
slot->state = NCR_700_SLOT_QUEUED;
+ slot->flags = NCR_700_FLAG_AUTOSENSE;
hostdata->state = NCR_700_HOST_FREE;
hostdata->cmd = NULL;
}
// SCp->request_bufflen,
// DMA_FROM_DEVICE);
// if(((char *)SCp->request_buffer)[7] & 0x02) {
- // printk(KERN_INFO "scsi%d: (%d:%d) Enabling Tag Command Queuing\n", host->host_no, pun, lun);
- // hostdata->tag_negotiated |= (1<<SCp->device->id);
+ // scmd_printk(KERN_INFO, SCp,
+ // "Enabling Tag Command Queuing\n");
+ // hostdata->tag_negotiated |= (1<<scmd_id(SCp));
// NCR_700_set_flag(SCp->device, NCR_700_DEV_BEGIN_TAG_QUEUEING);
// } else {
// NCR_700_clear_flag(SCp->device, NCR_700_DEV_BEGIN_TAG_QUEUEING);
- // hostdata->tag_negotiated &= ~(1<<SCp->device->id);
+ // hostdata->tag_negotiated &= ~(1<<scmd_id(SCp));
// }
//}
NCR_700_scsi_done(hostdata, SCp, hostdata->status[0]);
} else if((dsps & 0xfffff0f0) == A_UNEXPECTED_PHASE) {
__u8 i = (dsps & 0xf00) >> 8;
- printk(KERN_ERR "scsi%d: (%d:%d), UNEXPECTED PHASE %s (%s)\n",
- host->host_no, pun, lun,
+ scmd_printk(KERN_ERR, SCp, "UNEXPECTED PHASE %s (%s)\n",
NCR_700_phase[i],
sbcl_to_string(NCR_700_readb(host, SBCL_REG)));
- printk(KERN_ERR " len = %d, cmd =", SCp->cmd_len);
+ scmd_printk(KERN_ERR, SCp, " len = %d, cmd =",
+ SCp->cmd_len);
scsi_print_command(SCp);
NCR_700_internal_bus_reset(host);
}
slot = (struct NCR_700_command_slot *)SCp->host_scribble;
- DEBUG(("53c700: %d:%d:%d, reselection is tag %d, slot %p(%d)\n",
- host->host_no, SDp->id, SDp->lun,
- hostdata->msgin[2], slot, slot->tag));
+ DDEBUG(KERN_DEBUG, SDp,
+ "reselection is tag %d, slot %p(%d)\n",
+ hostdata->msgin[2], slot, slot->tag);
} else {
struct scsi_cmnd *SCp = scsi_find_tag(SDp, SCSI_NO_TAG);
if(unlikely(SCp == NULL)) {
- printk(KERN_ERR "scsi%d: (%d:%d) no saved request for untagged cmd\n",
- host->host_no, reselection_id, lun);
+ sdev_printk(KERN_ERR, SDp,
+ "no saved request for untagged cmd\n");
BUG();
}
slot = (struct NCR_700_command_slot *)SCp->host_scribble;
if(SCp->use_sg) {
for(i = 0; i < SCp->use_sg + 1; i++) {
- printk(KERN_INFO " SG[%d].length = %d, move_insn=%08x, addr %08x\n", i, ((struct scatterlist *)SCp->buffer)[i].length, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].ins, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].pAddr);
+ printk(KERN_INFO " SG[%d].length = %d, move_insn=%08x, addr %08x\n", i, ((struct scatterlist *)SCp->request_buffer)[i].length, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].ins, ((struct NCR_700_command_slot *)SCp->host_scribble)->SG[i].pAddr);
}
}
}
/* keep interrupts disabled until we have the command correctly
* set up so we cannot take a selection interrupt */
- hostdata->msgout[0] = NCR_700_identify(SCp->cmnd[0] != REQUEST_SENSE,
+ hostdata->msgout[0] = NCR_700_identify((SCp->cmnd[0] != REQUEST_SENSE &&
+ slot->flags != NCR_700_FLAG_AUTOSENSE),
SCp->device->lun);
/* for INQUIRY or REQUEST_SENSE commands, we cannot be sure
* if the negotiated transfer parameters still hold, so
* always renegotiate them */
- if(SCp->cmnd[0] == INQUIRY || SCp->cmnd[0] == REQUEST_SENSE) {
+ if(SCp->cmnd[0] == INQUIRY || SCp->cmnd[0] == REQUEST_SENSE ||
+ slot->flags == NCR_700_FLAG_AUTOSENSE) {
NCR_700_clear_flag(SCp->device, NCR_700_DEV_NEGOTIATED_SYNC);
}
* If a contingent allegiance condition exists, the device
* will refuse all tags, so send the request sense as untagged
* */
- if((hostdata->tag_negotiated & (1<<SCp->device->id))
- && (slot->tag != SCSI_NO_TAG && SCp->cmnd[0] != REQUEST_SENSE)) {
+ if((hostdata->tag_negotiated & (1<<scmd_id(SCp)))
+ && (slot->tag != SCSI_NO_TAG && SCp->cmnd[0] != REQUEST_SENSE &&
+ slot->flags != NCR_700_FLAG_AUTOSENSE)) {
count += scsi_populate_tag_msg(SCp, &hostdata->msgout[count]);
}
if(hostdata->fast &&
NCR_700_is_flag_clear(SCp->device, NCR_700_DEV_NEGOTIATED_SYNC)) {
- memcpy(&hostdata->msgout[count], NCR_700_SDTR_msg,
- sizeof(NCR_700_SDTR_msg));
- hostdata->msgout[count+3] = spi_period(SCp->device->sdev_target);
- hostdata->msgout[count+4] = spi_offset(SCp->device->sdev_target);
- count += sizeof(NCR_700_SDTR_msg);
+ count += spi_populate_sync_msg(&hostdata->msgout[count],
+ spi_period(SCp->device->sdev_target),
+ spi_offset(SCp->device->sdev_target));
NCR_700_set_flag(SCp->device, NCR_700_DEV_BEGIN_SYNC_NEGOTIATION);
}
script_patch_ID(hostdata->script,
- Device_ID, 1<<SCp->device->id);
+ Device_ID, 1<<scmd_id(SCp));
script_patch_32_abs(hostdata->script, CommandAddress,
slot->pCmd);
/* clear all the negotiated parameters */
__shost_for_each_device(SDp, host)
- SDp->hostdata = NULL;
+ NCR_700_clear_flag(SDp, ~0);
/* clear all the slots and their pending commands */
for(i = 0; i < NCR_700_COMMAND_SLOTS_PER_HOST; i++) {
* - The blk layer sent and untagged command
*/
if(NCR_700_get_depth(SCp->device) != 0
- && (!(hostdata->tag_negotiated & (1<<SCp->device->id))
+ && (!(hostdata->tag_negotiated & (1<<scmd_id(SCp)))
|| !blk_rq_tagged(SCp->request))) {
- DEBUG((KERN_ERR "scsi%d (%d:%d) has non zero depth %d\n",
- SCp->device->host->host_no, SCp->device->id, SCp->device->lun,
- NCR_700_get_depth(SCp->device)));
+ CDEBUG(KERN_ERR, SCp, "has non zero depth %d\n",
+ NCR_700_get_depth(SCp->device));
return SCSI_MLQUEUE_DEVICE_BUSY;
}
if(NCR_700_get_depth(SCp->device) >= SCp->device->queue_depth) {
- DEBUG((KERN_ERR "scsi%d (%d:%d) has max tag depth %d\n",
- SCp->device->host->host_no, SCp->device->id, SCp->device->lun,
- NCR_700_get_depth(SCp->device)));
+ CDEBUG(KERN_ERR, SCp, "has max tag depth %d\n",
+ NCR_700_get_depth(SCp->device));
return SCSI_MLQUEUE_DEVICE_BUSY;
}
NCR_700_set_depth(SCp->device, NCR_700_get_depth(SCp->device) + 1);
scsi_print_command(SCp);
#endif
if(blk_rq_tagged(SCp->request)
- && (hostdata->tag_negotiated &(1<<SCp->device->id)) == 0
+ && (hostdata->tag_negotiated &(1<<scmd_id(SCp))) == 0
&& NCR_700_get_tag_neg_state(SCp->device) == NCR_700_START_TAG_NEGOTIATION) {
- printk(KERN_ERR "scsi%d: (%d:%d) Enabling Tag Command Queuing\n", SCp->device->host->host_no, SCp->device->id, SCp->device->lun);
- hostdata->tag_negotiated |= (1<<SCp->device->id);
+ scmd_printk(KERN_ERR, SCp, "Enabling Tag Command Queuing\n");
+ hostdata->tag_negotiated |= (1<<scmd_id(SCp));
NCR_700_set_tag_neg_state(SCp->device, NCR_700_DURING_TAG_NEGOTIATION);
}
* FIXME: This will royally screw up on multiple LUN devices
* */
if(!blk_rq_tagged(SCp->request)
- && (hostdata->tag_negotiated &(1<<SCp->device->id))) {
- printk(KERN_INFO "scsi%d: (%d:%d) Disabling Tag Command Queuing\n", SCp->device->host->host_no, SCp->device->id, SCp->device->lun);
- hostdata->tag_negotiated &= ~(1<<SCp->device->id);
+ && (hostdata->tag_negotiated &(1<<scmd_id(SCp)))) {
+ scmd_printk(KERN_INFO, SCp, "Disabling Tag Command Queuing\n");
+ hostdata->tag_negotiated &= ~(1<<scmd_id(SCp));
}
- if((hostdata->tag_negotiated &(1<<SCp->device->id))
+ if((hostdata->tag_negotiated &(1<<scmd_id(SCp)))
&& scsi_get_tag_type(SCp->device)) {
slot->tag = SCp->request->tag;
- DEBUG(("53c700 %d:%d:%d, sending out tag %d, slot %p\n",
- SCp->device->host->host_no, SCp->device->id, SCp->device->lun, slot->tag,
- slot));
+ CDEBUG(KERN_DEBUG, SCp, "sending out tag %d, slot %p\n",
+ slot->tag, slot);
} else {
slot->tag = SCSI_NO_TAG;
/* must populate current_cmnd for scsi_find_tag to work */
__u32 count = 0;
if(SCp->use_sg) {
- sg_count = dma_map_sg(hostdata->dev, SCp->buffer,
- SCp->use_sg, direction);
+ sg_count = dma_map_sg(hostdata->dev,
+ SCp->request_buffer, SCp->use_sg,
+ direction);
} else {
vPtr = dma_map_single(hostdata->dev,
SCp->request_buffer,
for(i = 0; i < sg_count; i++) {
if(SCp->use_sg) {
- struct scatterlist *sg = SCp->buffer;
+ struct scatterlist *sg = SCp->request_buffer;
vPtr = sg_dma_address(&sg[i]);
count = sg_dma_len(&sg[i]);
{
struct NCR_700_command_slot *slot;
- printk(KERN_INFO "scsi%d (%d:%d) New error handler wants to abort command\n\t",
- SCp->device->host->host_no, SCp->device->id, SCp->device->lun);
+ scmd_printk(KERN_INFO, SCp,
+ "New error handler wants to abort command\n\t");
scsi_print_command(SCp);
slot = (struct NCR_700_command_slot *)SCp->host_scribble;
STATIC int
NCR_700_bus_reset(struct scsi_cmnd * SCp)
{
- DECLARE_COMPLETION(complete);
+ DECLARE_COMPLETION_ONSTACK(complete);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)SCp->device->host->hostdata[0];
- printk(KERN_INFO "scsi%d (%d:%d) New error handler wants BUS reset, cmd %p\n\t",
- SCp->device->host->host_no, SCp->device->id, SCp->device->lun, SCp);
+ scmd_printk(KERN_INFO, SCp,
+ "New error handler wants BUS reset, cmd %p\n\t", SCp);
scsi_print_command(SCp);
/* In theory, eh_complete should always be null because the
STATIC int
NCR_700_host_reset(struct scsi_cmnd * SCp)
{
- printk(KERN_INFO "scsi%d (%d:%d) New error handler wants HOST reset\n\t",
- SCp->device->host->host_no, SCp->device->id, SCp->device->lun);
+ scmd_printk(KERN_INFO, SCp, "New error handler wants HOST reset\n\t");
scsi_print_command(SCp);
spin_lock_irq(SCp->device->host->host_lock);
spi_flags(STp) |= NCR_700_DEV_PRINT_SYNC_NEGOTIATION;
}
+STATIC int
+NCR_700_slave_alloc(struct scsi_device *SDp)
+{
+ SDp->hostdata = kzalloc(sizeof(struct NCR_700_Device_Parameters),
+ GFP_KERNEL);
+
+ if (!SDp->hostdata)
+ return -ENOMEM;
+ return 0;
+}
STATIC int
NCR_700_slave_configure(struct scsi_device *SDp)
STATIC void
NCR_700_slave_destroy(struct scsi_device *SDp)
{
- /* to do here: deallocate memory */
+ kfree(SDp->hostdata);
+ SDp->hostdata = NULL;
}
static int
/* shift back to the default unqueued number of commands
* (the user can still raise this) */
scsi_deactivate_tcq(SDp, SDp->host->cmd_per_lun);
- hostdata->tag_negotiated &= ~(1 << SDp->id);
+ hostdata->tag_negotiated &= ~(1 << sdev_id(SDp));
} else {
/* Here, we cleared the negotiation flag above, so this
* will force the driver to renegotiate */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff