static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
+static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
#ifdef AAC_DETAILED_STATUS_INFO
static char *aac_get_status_string(u32 status);
spin_unlock_irqrestore(host->host_lock, cpu_flags);
}
+static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
+{
+ void *buf;
+ unsigned int transfer_len;
+ struct scatterlist *sg = scsicmd->request_buffer;
+
+ if (scsicmd->use_sg) {
+ buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+ transfer_len = min(sg->length, len + offset);
+ } else {
+ buf = scsicmd->request_buffer;
+ transfer_len = min(scsicmd->request_bufflen, len + offset);
+ }
+
+ memcpy(buf + offset, data, transfer_len - offset);
+
+ if (scsicmd->use_sg)
+ kunmap_atomic(buf - sg->offset, KM_IRQ0);
+
+}
+
static void get_container_name_callback(void *context, struct fib * fibptr)
{
struct aac_get_name_resp * get_name_reply;
/* Failure is irrelevant, using default value instead */
if ((le32_to_cpu(get_name_reply->status) == CT_OK)
&& (get_name_reply->data[0] != '\0')) {
- int count;
- char * dp;
- char * sp = get_name_reply->data;
+ char *sp = get_name_reply->data;
sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
while (*sp == ' ')
++sp;
- count = sizeof(((struct inquiry_data *)NULL)->inqd_pid);
- dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid;
- if (*sp) do {
- *dp++ = (*sp) ? *sp++ : ' ';
- } while (--count > 0);
+ if (*sp) {
+ char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
+ int count = sizeof(d);
+ char *dp = d;
+ do {
+ *dp++ = (*sp) ? *sp++ : ' ';
+ } while (--count > 0);
+ aac_internal_transfer(scsicmd, d,
+ offsetof(struct inquiry_data, inqd_pid), sizeof(d));
+ }
}
+
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
fib_complete(fibptr);
/*
* 57 scatter gather elements
*/
- dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
- sizeof(struct aac_fibhdr) -
- sizeof(struct aac_write) + sizeof(struct sgmap)) /
- sizeof(struct sgmap);
- if (dev->dac_support) {
- /*
- * 38 scatter gather elements
- */
- dev->scsi_host_ptr->sg_tablesize =
- (dev->max_fib_size -
+ if (!(dev->raw_io_interface)) {
+ dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
sizeof(struct aac_fibhdr) -
- sizeof(struct aac_write64) +
- sizeof(struct sgmap64)) /
- sizeof(struct sgmap64);
- }
- dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
- if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
- /*
- * Worst case size that could cause sg overflow when
- * we break up SG elements that are larger than 64KB.
- * Would be nice if we could tell the SCSI layer what
- * the maximum SG element size can be. Worst case is
- * (sg_tablesize-1) 4KB elements with one 64KB
- * element.
- * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
- */
- dev->scsi_host_ptr->max_sectors =
- (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
+ sizeof(struct aac_write) + sizeof(struct sgmap)) /
+ sizeof(struct sgmap);
+ if (dev->dac_support) {
+ /*
+ * 38 scatter gather elements
+ */
+ dev->scsi_host_ptr->sg_tablesize =
+ (dev->max_fib_size -
+ sizeof(struct aac_fibhdr) -
+ sizeof(struct aac_write64) +
+ sizeof(struct sgmap64)) /
+ sizeof(struct sgmap64);
+ }
+ dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
+ if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
+ /*
+ * Worst case size that could cause sg overflow when
+ * we break up SG elements that are larger than 64KB.
+ * Would be nice if we could tell the SCSI layer what
+ * the maximum SG element size can be. Worst case is
+ * (sg_tablesize-1) 4KB elements with one 64KB
+ * element.
+ * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
+ */
+ dev->scsi_host_ptr->max_sectors =
+ (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
+ }
}
fib_complete(fibptr);
}
-static void read_callback(void *context, struct fib * fibptr)
+static void io_callback(void *context, struct fib * fibptr)
{
struct aac_dev *dev;
struct aac_read_reply *readreply;
struct scsi_cmnd *scsicmd;
- u32 lba;
u32 cid;
scsicmd = (struct scsi_cmnd *) context;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
- lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
- dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
+ dprintk((KERN_DEBUG "io_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3], jiffies));
if (fibptr == NULL)
BUG();
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
else {
#ifdef AAC_DETAILED_STATUS_INFO
- printk(KERN_WARNING "read_callback: io failed, status = %d\n",
+ printk(KERN_WARNING "io_callback: io failed, status = %d\n",
le32_to_cpu(readreply->status));
#endif
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
aac_io_done(scsicmd);
}
-static void write_callback(void *context, struct fib * fibptr)
-{
- struct aac_dev *dev;
- struct aac_write_reply *writereply;
- struct scsi_cmnd *scsicmd;
- u32 lba;
- u32 cid;
-
- scsicmd = (struct scsi_cmnd *) context;
- dev = (struct aac_dev *)scsicmd->device->host->hostdata;
- cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
-
- lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
- dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
- if (fibptr == NULL)
- BUG();
-
- if(scsicmd->use_sg)
- pci_unmap_sg(dev->pdev,
- (struct scatterlist *)scsicmd->buffer,
- scsicmd->use_sg,
- scsicmd->sc_data_direction);
- else if(scsicmd->request_bufflen)
- pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
- scsicmd->request_bufflen,
- scsicmd->sc_data_direction);
-
- writereply = (struct aac_write_reply *) fib_data(fibptr);
- if (le32_to_cpu(writereply->status) == ST_OK)
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
- else {
- printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status);
- scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
- set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
- HARDWARE_ERROR,
- SENCODE_INTERNAL_TARGET_FAILURE,
- ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
- 0, 0);
- memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
- sizeof(struct sense_data));
- }
-
- fib_complete(fibptr);
- fib_free(fibptr);
- aac_io_done(scsicmd);
-}
-
static int aac_read(struct scsi_cmnd * scsicmd, int cid)
{
u32 lba;
fib_init(cmd_fibcontext);
- if (dev->dac_support == 1) {
+ if (dev->raw_io_interface) {
+ struct aac_raw_io *readcmd;
+ readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
+ readcmd->block[0] = cpu_to_le32(lba);
+ readcmd->block[1] = 0;
+ readcmd->count = cpu_to_le32(count<<9);
+ readcmd->cid = cpu_to_le16(cid);
+ readcmd->flags = cpu_to_le16(1);
+ readcmd->bpTotal = 0;
+ readcmd->bpComplete = 0;
+
+ aac_build_sgraw(scsicmd, &readcmd->sg);
+ fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
+ if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
+ BUG();
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerRawIo,
+ cmd_fibcontext,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) scsicmd);
+ } else if (dev->dac_support == 1) {
struct aac_read64 *readcmd;
readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
readcmd->command = cpu_to_le32(VM_CtHostRead64);
fibsize = sizeof(struct aac_read64) +
((le32_to_cpu(readcmd->sg.count) - 1) *
sizeof (struct sgentry64));
- BUG_ON (fibsize > (sizeof(struct hw_fib) -
+ BUG_ON (fibsize > (dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
fibsize,
FsaNormal,
0, 1,
- (fib_callback) read_callback,
+ (fib_callback) io_callback,
(void *) scsicmd);
} else {
struct aac_read *readcmd;
fibsize,
FsaNormal,
0, 1,
- (fib_callback) read_callback,
+ (fib_callback) io_callback,
(void *) scsicmd);
}
}
fib_init(cmd_fibcontext);
- if(dev->dac_support == 1) {
+ if (dev->raw_io_interface) {
+ struct aac_raw_io *writecmd;
+ writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
+ writecmd->block[0] = cpu_to_le32(lba);
+ writecmd->block[1] = 0;
+ writecmd->count = cpu_to_le32(count<<9);
+ writecmd->cid = cpu_to_le16(cid);
+ writecmd->flags = 0;
+ writecmd->bpTotal = 0;
+ writecmd->bpComplete = 0;
+
+ aac_build_sgraw(scsicmd, &writecmd->sg);
+ fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
+ if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
+ BUG();
+ /*
+ * Now send the Fib to the adapter
+ */
+ status = fib_send(ContainerRawIo,
+ cmd_fibcontext,
+ fibsize,
+ FsaNormal,
+ 0, 1,
+ (fib_callback) io_callback,
+ (void *) scsicmd);
+ } else if (dev->dac_support == 1) {
struct aac_write64 *writecmd;
writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
writecmd->command = cpu_to_le32(VM_CtHostWrite64);
fibsize,
FsaNormal,
0, 1,
- (fib_callback) write_callback,
+ (fib_callback) io_callback,
(void *) scsicmd);
} else {
struct aac_write *writecmd;
fibsize,
FsaNormal,
0, 1,
- (fib_callback) write_callback,
+ (fib_callback) io_callback,
(void *) scsicmd);
}
switch (scsicmd->cmnd[0]) {
case INQUIRY:
{
- struct inquiry_data *inq_data_ptr;
+ struct inquiry_data inq_data;
dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id));
- inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer;
- memset(inq_data_ptr, 0, sizeof (struct inquiry_data));
+ memset(&inq_data, 0, sizeof (struct inquiry_data));
- inq_data_ptr->inqd_ver = 2; /* claim compliance to SCSI-2 */
- inq_data_ptr->inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */
- inq_data_ptr->inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
- inq_data_ptr->inqd_len = 31;
+ inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
+ inq_data.inqd_dtq = 0x80; /* set RMB bit to one indicating that the medium is removable */
+ inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
+ inq_data.inqd_len = 31;
/*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
- inq_data_ptr->inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
+ inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
/*
* Set the Vendor, Product, and Revision Level
* see: <vendor>.c i.e. aac.c
*/
if (scsicmd->device->id == host->this_id) {
- setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), (sizeof(container_types)/sizeof(char *)));
- inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */
+ setinqstr(cardtype, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *)));
+ inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
+ aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
return 0;
}
- setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr[cid].type);
- inq_data_ptr->inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
+ setinqstr(cardtype, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
+ inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
+ aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
return aac_get_container_name(scsicmd, cid);
}
case READ_CAPACITY:
{
u32 capacity;
- char *cp;
+ char cp[8];
dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
if (fsa_dev_ptr[cid].size <= 0x100000000LL)
capacity = fsa_dev_ptr[cid].size - 1;
else
capacity = (u32)-1;
- cp = scsicmd->request_buffer;
+
cp[0] = (capacity >> 24) & 0xff;
cp[1] = (capacity >> 16) & 0xff;
cp[2] = (capacity >> 8) & 0xff;
cp[5] = 0;
cp[6] = 2;
cp[7] = 0;
+ aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
case MODE_SENSE:
{
- char *mode_buf;
+ char mode_buf[4];
dprintk((KERN_DEBUG "MODE SENSE command.\n"));
- mode_buf = scsicmd->request_buffer;
mode_buf[0] = 3; /* Mode data length */
mode_buf[1] = 0; /* Medium type - default */
mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected */
mode_buf[3] = 0; /* Block descriptor length */
+ aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
}
case MODE_SENSE_10:
{
- char *mode_buf;
+ char mode_buf[8];
dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
- mode_buf = scsicmd->request_buffer;
mode_buf[0] = 0; /* Mode data length (MSB) */
mode_buf[1] = 6; /* Mode data length (LSB) */
mode_buf[2] = 0; /* Medium type - default */
mode_buf[5] = 0; /* reserved */
mode_buf[6] = 0; /* Block descriptor length (MSB) */
mode_buf[7] = 0; /* Block descriptor length (LSB) */
+ aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
srbcmd->id = cpu_to_le32(scsicmd->device->id);
srbcmd->lun = cpu_to_le32(scsicmd->device->lun);
srbcmd->flags = cpu_to_le32(flag);
- timeout = (scsicmd->timeout-jiffies)/HZ;
+ timeout = scsicmd->timeout_per_command/HZ;
if(timeout == 0){
timeout = 1;
}
return byte_count;
}
+static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
+{
+ struct Scsi_Host *host = scsicmd->device->host;
+ struct aac_dev *dev = (struct aac_dev *)host->hostdata;
+ unsigned long byte_count = 0;
+
+ // Get rid of old data
+ psg->count = 0;
+ psg->sg[0].next = 0;
+ psg->sg[0].prev = 0;
+ psg->sg[0].addr[0] = 0;
+ psg->sg[0].addr[1] = 0;
+ psg->sg[0].count = 0;
+ psg->sg[0].flags = 0;
+ if (scsicmd->use_sg) {
+ struct scatterlist *sg;
+ int i;
+ int sg_count;
+ sg = (struct scatterlist *) scsicmd->request_buffer;
+
+ sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
+ scsicmd->sc_data_direction);
+
+ for (i = 0; i < sg_count; i++) {
+ int count = sg_dma_len(sg);
+ u64 addr = sg_dma_address(sg);
+ psg->sg[i].next = 0;
+ psg->sg[i].prev = 0;
+ psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
+ psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+ psg->sg[i].count = cpu_to_le32(count);
+ psg->sg[i].flags = 0;
+ byte_count += count;
+ sg++;
+ }
+ psg->count = cpu_to_le32(sg_count);
+ /* hba wants the size to be exact */
+ if(byte_count > scsicmd->request_bufflen){
+ u32 temp = le32_to_cpu(psg->sg[i-1].count) -
+ (byte_count - scsicmd->request_bufflen);
+ psg->sg[i-1].count = cpu_to_le32(temp);
+ byte_count = scsicmd->request_bufflen;
+ }
+ /* Check for command underflow */
+ if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
+ printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+ byte_count, scsicmd->underflow);
+ }
+ }
+ else if(scsicmd->request_bufflen) {
+ int count;
+ u64 addr;
+ scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
+ scsicmd->request_buffer,
+ scsicmd->request_bufflen,
+ scsicmd->sc_data_direction);
+ addr = scsicmd->SCp.dma_handle;
+ count = scsicmd->request_bufflen;
+ psg->count = cpu_to_le32(1);
+ psg->sg[0].next = 0;
+ psg->sg[0].prev = 0;
+ psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
+ psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+ psg->sg[0].count = cpu_to_le32(count);
+ psg->sg[0].flags = 0;
+ byte_count = scsicmd->request_bufflen;
+ }
+ return byte_count;
+}
+
#ifdef AAC_DETAILED_STATUS_INFO
struct aac_srb_status_info {
projects / linux-2.6-omap-h63xx.git / blobdiff