#define ASC_DCNT __u32 /* Unsigned Data count type. */
#define ASC_SDCNT __s32 /* Signed Data count type. */
-/*
- * These macros are used to convert a virtual address to a
- * 32-bit value. This currently can be used on Linux Alpha
- * which uses 64-bit virtual address but a 32-bit bus address.
- * This is likely to break in the future, but doing this now
- * will give us time to change the HW and FW to handle 64-bit
- * addresses.
- */
-#define ASC_VADDR_TO_U32 virt_to_bus
-#define ASC_U32_TO_VADDR bus_to_virt
-
typedef unsigned char uchar;
#ifndef TRUE
#define CC_VERY_LONG_SG_LIST 0
#define ASC_SRB2SCSIQ(srb_ptr) (srb_ptr)
-#define PortAddr unsigned short /* port address size */
+#define PortAddr unsigned int /* port address size */
#define inp(port) inb(port)
#define outp(port, byte) outb((byte), (port))
ushort mcode_date;
ushort mcode_version;
uchar max_tag_qng[ASC_MAX_TID + 1];
- uchar *overrun_buf;
uchar sdtr_period_offset[ASC_MAX_TID + 1];
uchar adapter_info[6];
} ASC_DVC_CFG;
#define ASC_BUG_FIX_ASYN_USE_SYN 0x0002
#define ASC_MIN_TAGGED_CMD 7
#define ASC_MAX_SCSI_RESET_WAIT 30
+#define ASC_OVERRUN_BSIZE 64
struct asc_dvc_var; /* Forward Declaration. */
ASC_SCSI_BIT_ID_TYPE unit_not_ready;
ASC_SCSI_BIT_ID_TYPE queue_full_or_busy;
ASC_SCSI_BIT_ID_TYPE start_motor;
+ uchar *overrun_buf;
+ dma_addr_t overrun_dma;
uchar scsi_reset_wait;
uchar chip_no;
char is_in_int;
uchar min_sdtr_index;
uchar max_sdtr_index;
struct asc_board *drv_ptr;
+ int ptr_map_count;
+ void **ptr_map;
ASC_DCNT uc_break;
} ASC_DVC_VAR;
#define ASC_EEP_CMD_WRITE 0x40
#define ASC_EEP_CMD_WRITE_ABLE 0x30
#define ASC_EEP_CMD_WRITE_DISABLE 0x00
-#define ASC_OVERRUN_BSIZE 0x00000048UL
#define ASCV_MSGOUT_BEG 0x0000
#define ASCV_MSGOUT_SDTR_PERIOD (ASCV_MSGOUT_BEG+3)
#define ASCV_MSGOUT_SDTR_OFFSET (ASCV_MSGOUT_BEG+4)
(((struct asc_board *) shost_priv(shost))->asc_stats.counter += (count))
#endif /* ADVANSYS_STATS */
-#define ASC_CEILING(val, unit) (((val) + ((unit) - 1))/(unit))
-
/* If the result wraps when calculating tenths, return 0. */
#define ASC_TENTHS(num, den) \
(((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \
ADV_DCNT exe_error; /* # ASC_ERROR returns. */
ADV_DCNT exe_unknown; /* # unknown returns. */
/* Data Transfer Statistics */
- ADV_DCNT cont_cnt; /* # non-scatter-gather I/O requests received */
- ADV_DCNT cont_xfer; /* # contiguous transfer 512-bytes */
- ADV_DCNT sg_cnt; /* # scatter-gather I/O requests received */
- ADV_DCNT sg_elem; /* # scatter-gather elements */
- ADV_DCNT sg_xfer; /* # scatter-gather transfer 512-bytes */
+ ADV_DCNT xfer_cnt; /* # I/O requests received */
+ ADV_DCNT xfer_elem; /* # scatter-gather elements */
+ ADV_DCNT xfer_sect; /* # 512-byte blocks */
};
#endif /* ADVANSYS_STATS */
ushort bios_codelen; /* BIOS Code Segment Length. */
};
+#define asc_dvc_to_board(asc_dvc) container_of(asc_dvc, struct asc_board, \
+ dvc_var.asc_dvc_var)
#define adv_dvc_to_board(adv_dvc) container_of(adv_dvc, struct asc_board, \
dvc_var.adv_dvc_var)
#define adv_dvc_to_pdev(adv_dvc) to_pci_dev(adv_dvc_to_board(adv_dvc)->dev)
-/* Overrun buffer used by all narrow boards. */
-static uchar overrun_buf[ASC_OVERRUN_BSIZE] = { 0 };
-
#ifdef ADVANSYS_DEBUG
static int asc_dbglvl = 3;
"chip_version %d,\n", h->chip_scsi_id, h->isa_dma_speed,
h->isa_dma_channel, h->chip_version);
- printk(" mcode_date 0x%x, mcode_version %d, overrun_buf 0x%p\n",
- h->mcode_date, h->mcode_version, h->overrun_buf);
+ printk(" mcode_date 0x%x, mcode_version %d\n",
+ h->mcode_date, h->mcode_version);
}
/*
#endif /* ADVANSYS_DEBUG */
/*
+ * The advansys chip/microcode contains a 32-bit identifier for each command
+ * known as the 'srb'. I don't know what it stands for. The driver used
+ * to encode the scsi_cmnd pointer by calling virt_to_bus and retrieve it
+ * with bus_to_virt. Now the driver keeps a per-host map of integers to
+ * pointers. It auto-expands when full, unless it can't allocate memory.
+ * Note that an srb of 0 is treated specially by the chip/firmware, hence
+ * the return of i+1 in this routine, and the corresponding subtraction in
+ * the inverse routine.
+ */
+#define BAD_SRB 0
+static u32 advansys_ptr_to_srb(struct asc_dvc_var *asc_dvc, void *ptr)
+{
+ int i;
+ void **new_ptr;
+
+ for (i = 0; i < asc_dvc->ptr_map_count; i++) {
+ if (!asc_dvc->ptr_map[i])
+ goto out;
+ }
+
+ if (asc_dvc->ptr_map_count == 0)
+ asc_dvc->ptr_map_count = 1;
+ else
+ asc_dvc->ptr_map_count *= 2;
+
+ new_ptr = krealloc(asc_dvc->ptr_map,
+ asc_dvc->ptr_map_count * sizeof(void *), GFP_ATOMIC);
+ if (!new_ptr)
+ return BAD_SRB;
+ asc_dvc->ptr_map = new_ptr;
+ out:
+ ASC_DBG(3, "Putting ptr %p into array offset %d\n", ptr, i);
+ asc_dvc->ptr_map[i] = ptr;
+ return i + 1;
+}
+
+static void * advansys_srb_to_ptr(struct asc_dvc_var *asc_dvc, u32 srb)
+{
+ void *ptr;
+
+ srb--;
+ if (srb >= asc_dvc->ptr_map_count) {
+ printk("advansys: bad SRB %u, max %u\n", srb,
+ asc_dvc->ptr_map_count);
+ return NULL;
+ }
+ ptr = asc_dvc->ptr_map[srb];
+ asc_dvc->ptr_map[srb] = NULL;
+ ASC_DBG(3, "Returning ptr %p from array offset %d\n", ptr, srb);
+ return ptr;
+}
+
+/*
* advansys_info()
*
* Return suitable for printing on the console with the argument
/*
* Display data transfer statistics.
*/
- if (s->cont_cnt > 0) {
- len = asc_prt_line(cp, leftlen, " cont_cnt %lu, ", s->cont_cnt);
+ if (s->xfer_cnt > 0) {
+ len = asc_prt_line(cp, leftlen, " xfer_cnt %lu, xfer_elem %lu, ",
+ s->xfer_cnt, s->xfer_elem);
ASC_PRT_NEXT();
- len = asc_prt_line(cp, leftlen, "cont_xfer %lu.%01lu kb ",
- s->cont_xfer / 2,
- ASC_TENTHS(s->cont_xfer, 2));
- ASC_PRT_NEXT();
-
- /* Contiguous transfer average size */
- len = asc_prt_line(cp, leftlen, "avg_xfer %lu.%01lu kb\n",
- (s->cont_xfer / 2) / s->cont_cnt,
- ASC_TENTHS((s->cont_xfer / 2), s->cont_cnt));
- ASC_PRT_NEXT();
- }
-
- if (s->sg_cnt > 0) {
-
- len = asc_prt_line(cp, leftlen, " sg_cnt %lu, sg_elem %lu, ",
- s->sg_cnt, s->sg_elem);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "sg_xfer %lu.%01lu kb\n",
- s->sg_xfer / 2, ASC_TENTHS(s->sg_xfer, 2));
+ len = asc_prt_line(cp, leftlen, "xfer_bytes %lu.%01lu kb\n",
+ s->xfer_sect / 2, ASC_TENTHS(s->xfer_sect, 2));
ASC_PRT_NEXT();
/* Scatter gather transfer statistics */
len = asc_prt_line(cp, leftlen, " avg_num_elem %lu.%01lu, ",
- s->sg_elem / s->sg_cnt,
- ASC_TENTHS(s->sg_elem, s->sg_cnt));
+ s->xfer_elem / s->xfer_cnt,
+ ASC_TENTHS(s->xfer_elem, s->xfer_cnt));
ASC_PRT_NEXT();
len = asc_prt_line(cp, leftlen, "avg_elem_size %lu.%01lu kb, ",
- (s->sg_xfer / 2) / s->sg_elem,
- ASC_TENTHS((s->sg_xfer / 2), s->sg_elem));
+ (s->xfer_sect / 2) / s->xfer_elem,
+ ASC_TENTHS((s->xfer_sect / 2), s->xfer_elem));
ASC_PRT_NEXT();
len = asc_prt_line(cp, leftlen, "avg_xfer_size %lu.%01lu kb\n",
- (s->sg_xfer / 2) / s->sg_cnt,
- ASC_TENTHS((s->sg_xfer / 2), s->sg_cnt));
+ (s->xfer_sect / 2) / s->xfer_cnt,
+ ASC_TENTHS((s->xfer_sect / 2), s->xfer_cnt));
ASC_PRT_NEXT();
}
- /*
- * Display request queuing statistics.
- */
- len = asc_prt_line(cp, leftlen,
- " Active and Waiting Request Queues (Time Unit: %d HZ):\n",
- HZ);
- ASC_PRT_NEXT();
-
return totlen;
}
#endif /* ADVANSYS_STATS */
static void asc_scsi_done(struct scsi_cmnd *scp)
{
- struct asc_board *boardp = shost_priv(scp->device->host);
-
- if (scp->use_sg)
- dma_unmap_sg(boardp->dev,
- (struct scatterlist *)scp->request_buffer,
- scp->use_sg, scp->sc_data_direction);
- else if (scp->request_bufflen)
- dma_unmap_single(boardp->dev, scp->SCp.dma_handle,
- scp->request_bufflen, scp->sc_data_direction);
-
+ scsi_dma_unmap(scp);
ASC_STATS(scp->device->host, done);
-
scp->scsi_done(scp);
}
PortAddr iop_base;
ASC_PADDR phy_addr;
ASC_DCNT phy_size;
+ struct asc_board *board = asc_dvc_to_board(asc_dvc);
iop_base = asc_dvc->iop_base;
warn_code = 0;
AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));
- /* Align overrun buffer on an 8 byte boundary. */
- phy_addr = virt_to_bus(asc_dvc->cfg->overrun_buf);
- phy_addr = cpu_to_le32((phy_addr + 7) & ~0x7);
+ /* Ensure overrun buffer is aligned on an 8 byte boundary. */
+ BUG_ON((unsigned long)asc_dvc->overrun_buf & 7);
+ asc_dvc->overrun_dma = dma_map_single(board->dev, asc_dvc->overrun_buf,
+ ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+ phy_addr = cpu_to_le32(asc_dvc->overrun_dma);
AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
(uchar *)&phy_addr, 1);
- phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE - 8);
+ phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE);
AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
(uchar *)&phy_size, 1);
i += 2;
len += 2;
} else {
- unsigned char off = buf[i] * 2;
+ unsigned int off = buf[i] * 2;
unsigned short word = (buf[off + 1] << 8) | buf[off];
AdvWriteWordAutoIncLram(iop_base, word);
len += 2;
* then return the number of underrun bytes.
*/
resid_cnt = le32_to_cpu(scsiqp->data_cnt);
- if (scp->request_bufflen != 0 && resid_cnt != 0 &&
- resid_cnt <= scp->request_bufflen) {
+ if (scsi_bufflen(scp) != 0 && resid_cnt != 0 &&
+ resid_cnt <= scsi_bufflen(scp)) {
ASC_DBG(1, "underrun condition %lu bytes\n",
(ulong)resid_cnt);
- scp->resid = resid_cnt;
+ scsi_set_resid(scp, resid_cnt);
}
break;
if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) {
ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
- sizeof(scp->sense_buffer));
+ SCSI_SENSE_BUFFERSIZE);
/*
* Note: The 'status_byte()' macro used by
* target drivers defined in scsi.h shifts the
ASC_DBG(1, "asc_dvc_varp 0x%p, qdonep 0x%p\n", asc_dvc_varp, qdonep);
ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep);
- /*
- * Get the struct scsi_cmnd structure and Scsi_Host structure for the
- * command that has been completed.
- */
- scp = (struct scsi_cmnd *)ASC_U32_TO_VADDR(qdonep->d2.srb_ptr);
- ASC_DBG(1, "scp 0x%p\n", scp);
-
- if (scp == NULL) {
- ASC_PRINT("asc_isr_callback: scp is NULL\n");
+ scp = advansys_srb_to_ptr(asc_dvc_varp, qdonep->d2.srb_ptr);
+ if (!scp)
return;
- }
+
ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);
shost = scp->device->host;
boardp = shost_priv(shost);
BUG_ON(asc_dvc_varp != &boardp->dvc_var.asc_dvc_var);
+ dma_unmap_single(boardp->dev, scp->SCp.dma_handle,
+ SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
/*
* 'qdonep' contains the command's ending status.
*/
* If there was no error and an underrun condition, then
* return the number of underrun bytes.
*/
- if (scp->request_bufflen != 0 && qdonep->remain_bytes != 0 &&
- qdonep->remain_bytes <= scp->request_bufflen) {
+ if (scsi_bufflen(scp) != 0 && qdonep->remain_bytes != 0 &&
+ qdonep->remain_bytes <= scsi_bufflen(scp)) {
ASC_DBG(1, "underrun condition %u bytes\n",
(unsigned)qdonep->remain_bytes);
- scp->resid = qdonep->remain_bytes;
+ scsi_set_resid(scp, qdonep->remain_bytes);
}
break;
if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) {
ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
- sizeof(scp->sense_buffer));
+ SCSI_SENSE_BUFFERSIZE);
/*
* Note: The 'status_byte()' macro used by
* target drivers defined in scsi.h shifts the
return 0;
}
+static __le32 advansys_get_sense_buffer_dma(struct scsi_cmnd *scp)
+{
+ struct asc_board *board = shost_priv(scp->device->host);
+ scp->SCp.dma_handle = dma_map_single(board->dev, scp->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
+ dma_cache_sync(board->dev, scp->sense_buffer,
+ SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
+ return cpu_to_le32(scp->SCp.dma_handle);
+}
+
static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
struct asc_scsi_q *asc_scsi_q)
{
+ struct asc_dvc_var *asc_dvc = &boardp->dvc_var.asc_dvc_var;
+ int use_sg;
+
memset(asc_scsi_q, 0, sizeof(*asc_scsi_q));
/*
* Point the ASC_SCSI_Q to the 'struct scsi_cmnd'.
*/
- asc_scsi_q->q2.srb_ptr = ASC_VADDR_TO_U32(scp);
+ asc_scsi_q->q2.srb_ptr = advansys_ptr_to_srb(asc_dvc, scp);
+ if (asc_scsi_q->q2.srb_ptr == BAD_SRB) {
+ scp->result = HOST_BYTE(DID_SOFT_ERROR);
+ return ASC_ERROR;
+ }
/*
* Build the ASC_SCSI_Q request.
asc_scsi_q->q1.target_lun = scp->device->lun;
asc_scsi_q->q2.target_ix =
ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun);
- asc_scsi_q->q1.sense_addr =
- cpu_to_le32(virt_to_bus(&scp->sense_buffer[0]));
- asc_scsi_q->q1.sense_len = sizeof(scp->sense_buffer);
+ asc_scsi_q->q1.sense_addr = advansys_get_sense_buffer_dma(scp);
+ asc_scsi_q->q1.sense_len = SCSI_SENSE_BUFFERSIZE;
/*
* If there are any outstanding requests for the current target,
* started request.
*
*/
- if ((boardp->dvc_var.asc_dvc_var.cur_dvc_qng[scp->device->id] > 0) &&
+ if ((asc_dvc->cur_dvc_qng[scp->device->id] > 0) &&
(boardp->reqcnt[scp->device->id] % 255) == 0) {
asc_scsi_q->q2.tag_code = MSG_ORDERED_TAG;
} else {
asc_scsi_q->q2.tag_code = MSG_SIMPLE_TAG;
}
- /*
- * Build ASC_SCSI_Q for a contiguous buffer or a scatter-gather
- * buffer command.
- */
- if (scp->use_sg == 0) {
- /*
- * CDB request of single contiguous buffer.
- */
- ASC_STATS(scp->device->host, cont_cnt);
- scp->SCp.dma_handle = scp->request_bufflen ?
- dma_map_single(boardp->dev, scp->request_buffer,
- scp->request_bufflen,
- scp->sc_data_direction) : 0;
- asc_scsi_q->q1.data_addr = cpu_to_le32(scp->SCp.dma_handle);
- asc_scsi_q->q1.data_cnt = cpu_to_le32(scp->request_bufflen);
- ASC_STATS_ADD(scp->device->host, cont_xfer,
- ASC_CEILING(scp->request_bufflen, 512));
- asc_scsi_q->q1.sg_queue_cnt = 0;
- asc_scsi_q->sg_head = NULL;
- } else {
- /*
- * CDB scatter-gather request list.
- */
+ /* Build ASC_SCSI_Q */
+ use_sg = scsi_dma_map(scp);
+ if (use_sg != 0) {
int sgcnt;
- int use_sg;
struct scatterlist *slp;
struct asc_sg_head *asc_sg_head;
- slp = (struct scatterlist *)scp->request_buffer;
- use_sg = dma_map_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
-
if (use_sg > scp->device->host->sg_tablesize) {
scmd_printk(KERN_ERR, scp, "use_sg %d > "
"sg_tablesize %d\n", use_sg,
scp->device->host->sg_tablesize);
- dma_unmap_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
+ scsi_dma_unmap(scp);
scp->result = HOST_BYTE(DID_ERROR);
return ASC_ERROR;
}
- ASC_STATS(scp->device->host, sg_cnt);
-
asc_sg_head = kzalloc(sizeof(asc_scsi_q->sg_head) +
use_sg * sizeof(struct asc_sg_list), GFP_ATOMIC);
if (!asc_sg_head) {
- dma_unmap_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
+ scsi_dma_unmap(scp);
scp->result = HOST_BYTE(DID_SOFT_ERROR);
return ASC_ERROR;
}
asc_scsi_q->q1.data_addr = 0;
/* This is a byte value, otherwise it would need to be swapped. */
asc_sg_head->entry_cnt = asc_scsi_q->q1.sg_queue_cnt = use_sg;
- ASC_STATS_ADD(scp->device->host, sg_elem,
+ ASC_STATS_ADD(scp->device->host, xfer_elem,
asc_sg_head->entry_cnt);
/*
* Convert scatter-gather list into ASC_SG_HEAD list.
*/
- for (sgcnt = 0; sgcnt < use_sg; sgcnt++, slp++) {
+ scsi_for_each_sg(scp, slp, use_sg, sgcnt) {
asc_sg_head->sg_list[sgcnt].addr =
cpu_to_le32(sg_dma_address(slp));
asc_sg_head->sg_list[sgcnt].bytes =
cpu_to_le32(sg_dma_len(slp));
- ASC_STATS_ADD(scp->device->host, sg_xfer,
- ASC_CEILING(sg_dma_len(slp), 512));
+ ASC_STATS_ADD(scp->device->host, xfer_sect,
+ DIV_ROUND_UP(sg_dma_len(slp), 512));
}
}
+ ASC_STATS(scp->device->host, xfer_cnt);
+
ASC_DBG_PRT_ASC_SCSI_Q(2, asc_scsi_q);
ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
int i;
scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q);
- slp = (struct scatterlist *)scp->request_buffer;
+ slp = scsi_sglist(scp);
sg_elem_cnt = use_sg;
prev_sg_block = NULL;
reqp->sgblkp = NULL;
cpu_to_le32(sg_dma_address(slp));
sg_block->sg_list[i].sg_count =
cpu_to_le32(sg_dma_len(slp));
- ASC_STATS_ADD(scp->device->host, sg_xfer,
- ASC_CEILING(sg_dma_len(slp), 512));
+ ASC_STATS_ADD(scp->device->host, xfer_sect,
+ DIV_ROUND_UP(sg_dma_len(slp), 512));
if (--sg_elem_cnt == 0) { /* Last ADV_SG_BLOCK and scatter-gather entry. */
sg_block->sg_cnt = i + 1;
ADV_SCSI_REQ_Q *scsiqp;
int i;
int ret;
+ int use_sg;
/*
* Allocate an adv_req_t structure from the board to execute
/*
* Set the ADV_SCSI_REQ_Q 'srb_ptr' to point to the adv_req_t structure.
*/
- scsiqp->srb_ptr = ASC_VADDR_TO_U32(reqp);
+ scsiqp->srb_ptr = ADV_VADDR_TO_U32(reqp);
/*
* Set the adv_req_t 'cmndp' to point to the struct scsi_cmnd structure.
scsiqp->target_lun = scp->device->lun;
scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0]));
- scsiqp->sense_len = sizeof(scp->sense_buffer);
-
- /*
- * Build ADV_SCSI_REQ_Q for a contiguous buffer or a scatter-gather
- * buffer command.
- */
+ scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE;
- scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen);
- scsiqp->vdata_addr = scp->request_buffer;
- scsiqp->data_addr = cpu_to_le32(virt_to_bus(scp->request_buffer));
+ /* Build ADV_SCSI_REQ_Q */
- if (scp->use_sg == 0) {
- /*
- * CDB request of single contiguous buffer.
- */
+ use_sg = scsi_dma_map(scp);
+ if (use_sg == 0) {
+ /* Zero-length transfer */
reqp->sgblkp = NULL;
- scsiqp->data_cnt = cpu_to_le32(scp->request_bufflen);
- if (scp->request_bufflen) {
- scsiqp->vdata_addr = scp->request_buffer;
- scp->SCp.dma_handle =
- dma_map_single(boardp->dev, scp->request_buffer,
- scp->request_bufflen,
- scp->sc_data_direction);
- } else {
- scsiqp->vdata_addr = NULL;
- scp->SCp.dma_handle = 0;
- }
- scsiqp->data_addr = cpu_to_le32(scp->SCp.dma_handle);
+ scsiqp->data_cnt = 0;
+ scsiqp->vdata_addr = NULL;
+
+ scsiqp->data_addr = 0;
scsiqp->sg_list_ptr = NULL;
scsiqp->sg_real_addr = 0;
- ASC_STATS(scp->device->host, cont_cnt);
- ASC_STATS_ADD(scp->device->host, cont_xfer,
- ASC_CEILING(scp->request_bufflen, 512));
} else {
- /*
- * CDB scatter-gather request list.
- */
- struct scatterlist *slp;
- int use_sg;
-
- slp = (struct scatterlist *)scp->request_buffer;
- use_sg = dma_map_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
-
if (use_sg > ADV_MAX_SG_LIST) {
scmd_printk(KERN_ERR, scp, "use_sg %d > "
"ADV_MAX_SG_LIST %d\n", use_sg,
scp->device->host->sg_tablesize);
- dma_unmap_sg(boardp->dev, slp, scp->use_sg,
- scp->sc_data_direction);
+ scsi_dma_unmap(scp);
scp->result = HOST_BYTE(DID_ERROR);
/*
return ASC_ERROR;
}
+ scsiqp->data_cnt = cpu_to_le32(scsi_bufflen(scp));
+
ret = adv_get_sglist(boardp, reqp, scp, use_sg);
if (ret != ADV_SUCCESS) {
/*
return ret;
}
- ASC_STATS(scp->device->host, sg_cnt);
- ASC_STATS_ADD(scp->device->host, sg_elem, use_sg);
+ ASC_STATS_ADD(scp->device->host, xfer_elem, use_sg);
}
+ ASC_STATS(scp->device->host, xfer_cnt);
+
ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);
/*
* Execute a single 'Scsi_Cmnd'.
- *
- * The function 'done' is called when the request has been completed.
- *
- * Scsi_Cmnd:
- *
- * host - board controlling device
- * device - device to send command
- * target - target of device
- * lun - lun of device
- * cmd_len - length of SCSI CDB
- * cmnd - buffer for SCSI 8, 10, or 12 byte CDB
- * use_sg - if non-zero indicates scatter-gather request with use_sg elements
- *
- * if (use_sg == 0) {
- * request_buffer - buffer address for request
- * request_bufflen - length of request buffer
- * } else {
- * request_buffer - pointer to scatterlist structure
- * }
- *
- * sense_buffer - sense command buffer
- *
- * result (4 bytes of an int):
- * Byte Meaning
- * 0 SCSI Status Byte Code
- * 1 SCSI One Byte Message Code
- * 2 Host Error Code
- * 3 Mid-Level Error Code
- *
- * host driver fields:
- * SCp - Scsi_Pointer used for command processing status
- * scsi_done - used to save caller's done function
- * host_scribble - used for pointer to another struct scsi_cmnd
- *
- * If this function returns ASC_NOERROR the request will be completed
- * from the interrupt handler.
- *
- * If this function returns ASC_ERROR the host error code has been set,
- * and the called must call asc_scsi_done.
- *
- * If ASC_BUSY is returned the request will be returned to the midlayer
- * and re-tried later.
*/
static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp)
{
/*
* Write the EEPROM from 'cfg_buf'.
*/
-void __devinit
+static void __devinit
AdvSet3550EEPConfig(AdvPortAddr iop_base, ADVEEP_3550_CONFIG *cfg_buf)
{
ushort *wbuf;
/*
* Write the EEPROM from 'cfg_buf'.
*/
-void __devinit
+static void __devinit
AdvSet38C0800EEPConfig(AdvPortAddr iop_base, ADVEEP_38C0800_CONFIG *cfg_buf)
{
ushort *wbuf;
/*
* Write the EEPROM from 'cfg_buf'.
*/
-void __devinit
+static void __devinit
AdvSet38C1600EEPConfig(AdvPortAddr iop_base, ADVEEP_38C1600_CONFIG *cfg_buf)
{
ushort *wbuf;
}
- ASC_DBG(1, "sg_cnt %d * %u = %u bytes\n", sg_cnt, sizeof(adv_sgblk_t),
- (unsigned)(sizeof(adv_sgblk_t) * sg_cnt));
+ ASC_DBG(1, "sg_cnt %d * %lu = %lu bytes\n", sg_cnt, sizeof(adv_sgblk_t),
+ sizeof(adv_sgblk_t) * sg_cnt);
if (!board->adv_sgblkp)
goto kmalloc_failed;
asc_dvc_varp->bus_type = bus_type;
asc_dvc_varp->drv_ptr = boardp;
asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg;
- asc_dvc_varp->cfg->overrun_buf = &overrun_buf[0];
asc_dvc_varp->iop_base = iop;
} else {
#ifdef CONFIG_PCI
boardp->ioremap_addr = ioremap(pci_resource_start(pdev, 1),
boardp->asc_n_io_port);
if (!boardp->ioremap_addr) {
- shost_printk(KERN_ERR, shost, "ioremap(%x, %d) "
+ shost_printk(KERN_ERR, shost, "ioremap(%lx, %d) "
"returned NULL\n",
- pci_resource_start(pdev, 1),
+ (long)pci_resource_start(pdev, 1),
boardp->asc_n_io_port);
ret = -ENODEV;
goto err_shost;
*/
if (ASC_NARROW_BOARD(boardp)) {
ASC_DBG(2, "AscInitAsc1000Driver()\n");
+
+ asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);
+ if (!asc_dvc_varp->overrun_buf) {
+ ret = -ENOMEM;
+ goto err_free_wide_mem;
+ }
warn_code = AscInitAsc1000Driver(asc_dvc_varp);
if (warn_code || asc_dvc_varp->err_code) {
"warn 0x%x, error 0x%x\n",
asc_dvc_varp->init_state, warn_code,
asc_dvc_varp->err_code);
- if (asc_dvc_varp->err_code)
+ if (asc_dvc_varp->err_code) {
ret = -ENODEV;
+ kfree(asc_dvc_varp->overrun_buf);
+ }
}
} else {
if (advansys_wide_init_chip(shost))
*/
static int advansys_release(struct Scsi_Host *shost)
{
- struct asc_board *boardp = shost_priv(shost);
+ struct asc_board *board = shost_priv(shost);
ASC_DBG(1, "begin\n");
scsi_remove_host(shost);
- free_irq(boardp->irq, shost);
+ free_irq(board->irq, shost);
if (shost->dma_channel != NO_ISA_DMA) {
ASC_DBG(1, "free_dma()\n");
free_dma(shost->dma_channel);
}
- if (!ASC_NARROW_BOARD(boardp)) {
- iounmap(boardp->ioremap_addr);
- advansys_wide_free_mem(boardp);
+ if (ASC_NARROW_BOARD(board)) {
+ dma_unmap_single(board->dev,
+ board->dvc_var.asc_dvc_var.overrun_dma,
+ ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+ kfree(board->dvc_var.asc_dvc_var.overrun_buf);
+ } else {
+ iounmap(board->ioremap_addr);
+ advansys_wide_free_mem(board);
}
- kfree(boardp->prtbuf);
+ kfree(board->prtbuf);
scsi_host_put(shost);
ASC_DBG(1, "end\n");
return 0;
#define ASC_IOADR_TABLE_MAX_IX 11
-static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] __devinitdata = {
+static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] = {
0x100, 0x0110, 0x120, 0x0130, 0x140, 0x0150, 0x0190,
0x0210, 0x0230, 0x0250, 0x0330
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff