X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2F53c700.c;h=68103e508db7077455dd437db6eae86797d63c0c;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=4ce7438608ecb68a374146276eff3308da099589;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 4ce743860..68103e508 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -114,7 +114,6 @@ * */ #define NCR_700_VERSION "2.8" -#include #include #include #include @@ -174,6 +173,7 @@ STATIC int NCR_700_bus_reset(struct scsi_cmnd * SCpnt); 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); @@ -238,14 +238,6 @@ static char *NCR_700_SBCL_to_phase[] = { "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. * @@ -266,7 +258,7 @@ NCR_700_offset_period_to_sxfer(struct NCR_700_Host_Parameters *hostdata, 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; @@ -321,10 +313,10 @@ NCR_700_detect(struct scsi_host_template *tpnt, hostdata->status = memory + STATUS_OFFSET; /* all of these offsets are L1_CACHE_BYTES separated. It is fatal * if this isn't sufficient separation to avoid dma flushing issues */ - BUG_ON(!dma_is_consistent(pScript) && L1_CACHE_BYTES < dma_get_cache_alignment()); + BUG_ON(!dma_is_consistent(hostdata->dev, 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 */ @@ -338,21 +330,21 @@ NCR_700_detect(struct scsi_host_template *tpnt, 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)); @@ -363,20 +355,18 @@ NCR_700_detect(struct scsi_host_template *tpnt, 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, + script_patch_32(hostdata->dev, script, MessageLocation, pScript + MSGOUT_OFFSET); - script_patch_32(script, StatusAddress, + script_patch_32(hostdata->dev, script, StatusAddress, pScript + STATUS_OFFSET); - script_patch_32(script, ReceiveMsgAddress, + script_patch_32(hostdata->dev, script, ReceiveMsgAddress, pScript + MSGIN_OFFSET); hostdata->script = script; @@ -384,7 +374,7 @@ NCR_700_detect(struct scsi_host_template *tpnt, 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; @@ -393,17 +383,17 @@ NCR_700_detect(struct scsi_host_template *tpnt, 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)" : ""); @@ -548,6 +538,7 @@ find_empty_slot(struct NCR_700_Host_Parameters *hostdata) * 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; @@ -597,7 +588,7 @@ NCR_700_unmap(struct NCR_700_Host_Parameters *hostdata, struct scsi_cmnd *SCp, 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, @@ -618,31 +609,26 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata, 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; - - } + if (result == 0) + result = cmnd[7]; + /* restore the original length */ + SCp->cmd_len = cmnd[8]; + } else + NCR_700_unmap(hostdata, SCp, slot); + free_slot(slot, hostdata); #ifdef NCR_700_DEBUG if(NCR_700_get_depth(SCp->device) == 0 || @@ -835,8 +821,9 @@ process_extended_message(struct Scsi_Host *host, 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); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, + MessageCount, 1); /* SendMsgOut returns, so set up the return * address */ resume_offset = hostdata->pScript + Ent_SendMessageWithATN; @@ -847,8 +834,9 @@ process_extended_message(struct Scsi_Host *host, printk(KERN_INFO "scsi%d: (%d:%d), Unsolicited WDTR after CMD, Rejecting\n", host->host_no, pun, lun); hostdata->msgout[0] = A_REJECT_MSG; - dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE); - script_patch_16(hostdata->script, MessageCount, 1); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, + 1); resume_offset = hostdata->pScript + Ent_SendMessageWithATN; break; @@ -861,8 +849,9 @@ process_extended_message(struct Scsi_Host *host, printk("\n"); /* just reject it */ hostdata->msgout[0] = A_REJECT_MSG; - dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE); - script_patch_16(hostdata->script, MessageCount, 1); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, + 1); /* SendMsgOut returns, so set up the return * address */ resume_offset = hostdata->pScript + Ent_SendMessageWithATN; @@ -943,8 +932,9 @@ process_message(struct Scsi_Host *host, struct NCR_700_Host_Parameters *hostdata printk("\n"); /* just reject it */ hostdata->msgout[0] = A_REJECT_MSG; - dma_cache_sync(hostdata->msgout, 1, DMA_TO_DEVICE); - script_patch_16(hostdata->script, MessageCount, 1); + dma_cache_sync(hostdata->dev, hostdata->msgout, 1, DMA_TO_DEVICE); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, + 1); /* SendMsgOut returns, so set up the return * address */ resume_offset = hostdata->pScript + Ent_SendMessageWithATN; @@ -953,7 +943,7 @@ process_message(struct Scsi_Host *host, struct NCR_700_Host_Parameters *hostdata } NCR_700_writel(temp, host, TEMP_REG); /* set us up to receive another message */ - dma_cache_sync(hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); return resume_offset; } @@ -983,13 +973,15 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, 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 */ 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", @@ -1003,38 +995,40 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, * 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]; + cmnd[8] = SCp->cmd_len; + SCp->cmd_len = 6; /* command length for + * REQUEST_SENSE */ + 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); slot->SG[1].ins = bS_to_host(SCRIPT_RETURN); slot->SG[1].pAddr = 0; slot->resume_offset = hostdata->pScript; - dma_cache_sync(slot->SG, sizeof(slot->SG[0])*2, DMA_TO_DEVICE); - dma_cache_sync(SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); - + dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG[0])*2, DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); + /* 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; } @@ -1146,11 +1140,12 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, hostdata->cmd = slot->cmnd; /* re-patch for this command */ - script_patch_32_abs(hostdata->script, CommandAddress, - slot->pCmd); - script_patch_16(hostdata->script, + script_patch_32_abs(hostdata->dev, hostdata->script, + CommandAddress, slot->pCmd); + script_patch_16(hostdata->dev, hostdata->script, CommandCount, slot->cmnd->cmd_len); - script_patch_32_abs(hostdata->script, SGScriptStartAddress, + script_patch_32_abs(hostdata->dev, hostdata->script, + SGScriptStartAddress, to32bit(&slot->pSG[0].ins)); /* Note: setting SXFER only works if we're @@ -1160,13 +1155,13 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, * should therefore always clear ACK */ NCR_700_writeb(NCR_700_get_SXFER(hostdata->cmd->device), host, SXFER_REG); - dma_cache_sync(hostdata->msgin, + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); - dma_cache_sync(hostdata->msgout, + dma_cache_sync(hostdata->dev, hostdata->msgout, MSG_ARRAY_SIZE, DMA_TO_DEVICE); /* I'm just being paranoid here, the command should * already have been flushed from the cache */ - dma_cache_sync(slot->cmnd->cmnd, + dma_cache_sync(hostdata->dev, slot->cmnd->cmnd, slot->cmnd->cmd_len, DMA_TO_DEVICE); @@ -1230,7 +1225,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, hostdata->reselection_id = reselection_id; /* just in case we have a stale simple tag message, clear it */ hostdata->msgin[1] = 0; - dma_cache_sync(hostdata->msgin, + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_BIDIRECTIONAL); if(hostdata->tag_negotiated & (1<pScript + Ent_GetReselectionWithTag; @@ -1255,7 +1250,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, 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); } } } @@ -1346,7 +1341,7 @@ process_selection(struct Scsi_Host *host, __u32 dsp) hostdata->cmd = NULL; /* clear any stale simple tag message */ hostdata->msgin[1] = 0; - dma_cache_sync(hostdata->msgin, MSG_ARRAY_SIZE, + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_BIDIRECTIONAL); if(id == 0xff) { @@ -1414,12 +1409,14 @@ NCR_700_start_command(struct scsi_cmnd *SCp) /* 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); } @@ -1428,43 +1425,43 @@ NCR_700_start_command(struct scsi_cmnd *SCp) * will refuse all tags, so send the request sense as untagged * */ if((hostdata->tag_negotiated & (1<tag != SCSI_NO_TAG && SCp->cmnd[0] != REQUEST_SENSE)) { + && (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_16(hostdata->script, MessageCount, count); + script_patch_16(hostdata->dev, hostdata->script, MessageCount, count); - script_patch_ID(hostdata->script, + script_patch_ID(hostdata->dev, hostdata->script, Device_ID, 1<script, CommandAddress, + script_patch_32_abs(hostdata->dev, hostdata->script, CommandAddress, slot->pCmd); - script_patch_16(hostdata->script, CommandCount, SCp->cmd_len); + script_patch_16(hostdata->dev, hostdata->script, CommandCount, + SCp->cmd_len); /* finally plumb the beginning of the SG list into the script * */ - script_patch_32_abs(hostdata->script, SGScriptStartAddress, - to32bit(&slot->pSG[0].ins)); + script_patch_32_abs(hostdata->dev, hostdata->script, + SGScriptStartAddress, to32bit(&slot->pSG[0].ins)); NCR_700_clear_fifo(SCp->device->host); if(slot->resume_offset == 0) slot->resume_offset = hostdata->pScript; /* now perform all the writebacks and invalidates */ - dma_cache_sync(hostdata->msgout, count, DMA_TO_DEVICE); - dma_cache_sync(hostdata->msgin, MSG_ARRAY_SIZE, + dma_cache_sync(hostdata->dev, hostdata->msgout, count, DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, hostdata->msgin, MSG_ARRAY_SIZE, DMA_FROM_DEVICE); - dma_cache_sync(SCp->cmnd, SCp->cmd_len, DMA_TO_DEVICE); - dma_cache_sync(hostdata->status, 1, DMA_FROM_DEVICE); + dma_cache_sync(hostdata->dev, SCp->cmnd, SCp->cmd_len, DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, hostdata->status, 1, DMA_FROM_DEVICE); /* set the synchronous period/offset */ NCR_700_writeb(NCR_700_get_SXFER(SCp->device), @@ -1476,7 +1473,7 @@ NCR_700_start_command(struct scsi_cmnd *SCp) } irqreturn_t -NCR_700_intr(int irq, void *dev_id, struct pt_regs *regs) +NCR_700_intr(int irq, void *dev_id) { struct Scsi_Host *host = (struct Scsi_Host *)dev_id; struct NCR_700_Host_Parameters *hostdata = @@ -1543,7 +1540,7 @@ NCR_700_intr(int irq, void *dev_id, struct pt_regs *regs) /* 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++) { @@ -1640,7 +1637,7 @@ NCR_700_intr(int irq, void *dev_id, struct pt_regs *regs) slot->SG[i].ins = bS_to_host(SCRIPT_NOP); slot->SG[i].pAddr = 0; } - dma_cache_sync(slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); /* and pretend we disconnected after * the command phase */ resume_offset = hostdata->pScript + Ent_MsgInDuringData; @@ -1876,8 +1873,9 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) __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, @@ -1892,7 +1890,7 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) 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]); @@ -1905,9 +1903,9 @@ NCR_700_queuecommand(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)) } slot->SG[i].ins = bS_to_host(SCRIPT_RETURN); slot->SG[i].pAddr = 0; - dma_cache_sync(slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); + dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG), DMA_TO_DEVICE); DEBUG((" SETTING %08lx to %x\n", - (&slot->pSG[i].ins), + (&slot->pSG[i].ins), slot->SG[i].ins)); } slot->resume_offset = 0; @@ -1952,7 +1950,7 @@ NCR_700_abort(struct scsi_cmnd * SCp) 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]; @@ -2047,7 +2045,17 @@ NCR_700_set_offset(struct scsi_target *STp, int offset) 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) @@ -2078,7 +2086,8 @@ 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