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[SCSI] aacraid: rework packet support code

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Received from Mark Salyzyn,

Replace all if/else packet formations with platform function calls. This is in
recognition of the proliferation of read and write packet types, and in the
need to migrate to up-and-coming packets for new products.

Signed-off-by Mark Haverkamp <markh@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mark Haverkamp 2007-01-23 15:00:30 -08:00 committed by James Bottomley
parent 239eab1955
commit e8f32de52c
2 changed files with 343 additions and 273 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

598
drivers/scsi/aacraid/aachba.c
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@ -706,6 +706,309 @@ static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
}
}
static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
{
if (lba & 0xffffffff00000000LL) {
int cid = scmd_id(cmd);
dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
cmd->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(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
(sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
? sizeof(cmd->sense_buffer)
: sizeof(dev->fsa_dev[cid].sense_data));
cmd->scsi_done(cmd);
return 1;
}
return 0;
}
static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
{
return 0;
}
static void io_callback(void *context, struct fib * fibptr);
static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
u16 fibsize;
struct aac_raw_io *readcmd;
aac_fib_init(fib);
readcmd = (struct aac_raw_io *) fib_data(fib);
readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
readcmd->count = cpu_to_le32(count<<9);
readcmd->cid = cpu_to_le16(scmd_id(cmd));
readcmd->flags = cpu_to_le16(1);
readcmd->bpTotal = 0;
readcmd->bpComplete = 0;
aac_build_sgraw(cmd, &readcmd->sg);
fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ContainerRawIo,
fib,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) cmd);
}
static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
u16 fibsize;
struct aac_read64 *readcmd;
aac_fib_init(fib);
readcmd = (struct aac_read64 *) fib_data(fib);
readcmd->command = cpu_to_le32(VM_CtHostRead64);
readcmd->cid = cpu_to_le16(scmd_id(cmd));
readcmd->sector_count = cpu_to_le16(count);
readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
readcmd->pad = 0;
readcmd->flags = 0;
aac_build_sg64(cmd, &readcmd->sg);
fibsize = sizeof(struct aac_read64) +
((le32_to_cpu(readcmd->sg.count) - 1) *
sizeof (struct sgentry64));
BUG_ON (fibsize > (fib->dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ContainerCommand64,
fib,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) cmd);
}
static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
u16 fibsize;
struct aac_read *readcmd;
aac_fib_init(fib);
readcmd = (struct aac_read *) fib_data(fib);
readcmd->command = cpu_to_le32(VM_CtBlockRead);
readcmd->cid = cpu_to_le16(scmd_id(cmd));
readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
readcmd->count = cpu_to_le32(count * 512);
aac_build_sg(cmd, &readcmd->sg);
fibsize = sizeof(struct aac_read) +
((le32_to_cpu(readcmd->sg.count) - 1) *
sizeof (struct sgentry));
BUG_ON (fibsize > (fib->dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ContainerCommand,
fib,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) cmd);
}
static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
u16 fibsize;
struct aac_raw_io *writecmd;
aac_fib_init(fib);
writecmd = (struct aac_raw_io *) fib_data(fib);
writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
writecmd->count = cpu_to_le32(count<<9);
writecmd->cid = cpu_to_le16(scmd_id(cmd));
writecmd->flags = 0;
writecmd->bpTotal = 0;
writecmd->bpComplete = 0;
aac_build_sgraw(cmd, &writecmd->sg);
fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ContainerRawIo,
fib,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) cmd);
}
static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
u16 fibsize;
struct aac_write64 *writecmd;
aac_fib_init(fib);
writecmd = (struct aac_write64 *) fib_data(fib);
writecmd->command = cpu_to_le32(VM_CtHostWrite64);
writecmd->cid = cpu_to_le16(scmd_id(cmd));
writecmd->sector_count = cpu_to_le16(count);
writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
writecmd->pad = 0;
writecmd->flags = 0;
aac_build_sg64(cmd, &writecmd->sg);
fibsize = sizeof(struct aac_write64) +
((le32_to_cpu(writecmd->sg.count) - 1) *
sizeof (struct sgentry64));
BUG_ON (fibsize > (fib->dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ContainerCommand64,
fib,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) cmd);
}
static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
{
u16 fibsize;
struct aac_write *writecmd;
aac_fib_init(fib);
writecmd = (struct aac_write *) fib_data(fib);
writecmd->command = cpu_to_le32(VM_CtBlockWrite);
writecmd->cid = cpu_to_le16(scmd_id(cmd));
writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
writecmd->count = cpu_to_le32(count * 512);
writecmd->sg.count = cpu_to_le32(1);
/* ->stable is not used - it did mean which type of write */
aac_build_sg(cmd, &writecmd->sg);
fibsize = sizeof(struct aac_write) +
((le32_to_cpu(writecmd->sg.count) - 1) *
sizeof (struct sgentry));
BUG_ON (fibsize > (fib->dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ContainerCommand,
fib,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) cmd);
}
static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
{
struct aac_srb * srbcmd;
u32 flag;
u32 timeout;
aac_fib_init(fib);
switch(cmd->sc_data_direction){
case DMA_TO_DEVICE:
flag = SRB_DataOut;
break;
case DMA_BIDIRECTIONAL:
flag = SRB_DataIn | SRB_DataOut;
break;
case DMA_FROM_DEVICE:
flag = SRB_DataIn;
break;
case DMA_NONE:
default: /* shuts up some versions of gcc */
flag = SRB_NoDataXfer;
break;
}
srbcmd = (struct aac_srb*) fib_data(fib);
srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
srbcmd->id = cpu_to_le32(scmd_id(cmd));
srbcmd->lun = cpu_to_le32(cmd->device->lun);
srbcmd->flags = cpu_to_le32(flag);
timeout = cmd->timeout_per_command/HZ;
if (timeout == 0)
timeout = 1;
srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
srbcmd->retry_limit = 0; /* Obsolete parameter */
srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
return srbcmd;
}
static void aac_srb_callback(void *context, struct fib * fibptr);
static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
{
u16 fibsize;
struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
srbcmd->count = cpu_to_le32(cmd->request_bufflen);
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
/*
* Build Scatter/Gather list
*/
fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
((le32_to_cpu(srbcmd->sg.count) & 0xff) *
sizeof (struct sgentry64));
BUG_ON (fibsize > (fib->dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ScsiPortCommand64, fib,
fibsize, FsaNormal, 0, 1,
(fib_callback) aac_srb_callback,
(void *) cmd);
}
static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
{
u16 fibsize;
struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
srbcmd->count = cpu_to_le32(cmd->request_bufflen);
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
/*
* Build Scatter/Gather list
*/
fibsize = sizeof (struct aac_srb) +
(((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
sizeof (struct sgentry));
BUG_ON (fibsize > (fib->dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
(fib_callback) aac_srb_callback, (void *) cmd);
}
int aac_get_adapter_info(struct aac_dev* dev)
{
struct fib* fibptr;
@ -874,14 +1177,27 @@ int aac_get_adapter_info(struct aac_dev* dev)
}
}
/*
* 57 scatter gather elements
* Deal with configuring for the individualized limits of each packet
* interface.
*/
if (!(dev->raw_io_interface)) {
dev->a_ops.adapter_scsi = (dev->dac_support)
? aac_scsi_64
: aac_scsi_32;
if (dev->raw_io_interface) {
dev->a_ops.adapter_bounds = (dev->raw_io_64)
? aac_bounds_64
: aac_bounds_32;
dev->a_ops.adapter_read = aac_read_raw_io;
dev->a_ops.adapter_write = aac_write_raw_io;
} else {
dev->a_ops.adapter_bounds = aac_bounds_32;
dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
sizeof(struct aac_fibhdr) -
sizeof(struct aac_write) + sizeof(struct sgentry)) /
sizeof(struct sgentry);
if (dev->dac_support) {
dev->a_ops.adapter_read = aac_read_block64;
dev->a_ops.adapter_write = aac_write_block64;
/*
* 38 scatter gather elements
*/
@ -891,6 +1207,9 @@ int aac_get_adapter_info(struct aac_dev* dev)
sizeof(struct aac_write64) +
sizeof(struct sgentry64)) /
sizeof(struct sgentry64);
} else {
dev->a_ops.adapter_read = aac_read_block;
dev->a_ops.adapter_write = aac_write_block;
}
dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
@ -1004,8 +1323,6 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
u64 lba;
u32 count;
int status;
u16 fibsize;
struct aac_dev *dev;
struct fib * cmd_fibcontext;
@ -1059,23 +1376,8 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
}
dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
smp_processor_id(), (unsigned long long)lba, jiffies));
if ((!(dev->raw_io_interface) || !(dev->raw_io_64)) &&
(lba & 0xffffffff00000000LL)) {
dprintk((KERN_DEBUG "aac_read: Illegal lba\n"));
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(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
? sizeof(scsicmd->sense_buffer)
: sizeof(dev->fsa_dev[cid].sense_data));
scsicmd->scsi_done(scsicmd);
if (aac_adapter_bounds(dev,scsicmd,lba))
return 0;
}
/*
* Alocate and initialize a Fib
*/
@ -1083,85 +1385,7 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
return -1;
}
aac_fib_init(cmd_fibcontext);
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((u32)(lba&0xffffffff));
readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
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));
BUG_ON(fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_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);
readcmd->cid = cpu_to_le16(cid);
readcmd->sector_count = cpu_to_le16(count);
readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
readcmd->pad = 0;
readcmd->flags = 0;
aac_build_sg64(scsicmd, &readcmd->sg);
fibsize = sizeof(struct aac_read64) +
((le32_to_cpu(readcmd->sg.count) - 1) *
sizeof (struct sgentry64));
BUG_ON (fibsize > (dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_fib_send(ContainerCommand64,
cmd_fibcontext,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) scsicmd);
} else {
struct aac_read *readcmd;
readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
readcmd->command = cpu_to_le32(VM_CtBlockRead);
readcmd->cid = cpu_to_le32(cid);
readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
readcmd->count = cpu_to_le32(count * 512);
aac_build_sg(scsicmd, &readcmd->sg);
fibsize = sizeof(struct aac_read) +
((le32_to_cpu(readcmd->sg.count) - 1) *
sizeof (struct sgentry));
BUG_ON (fibsize > (dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_fib_send(ContainerCommand,
cmd_fibcontext,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) scsicmd);
}
status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
/*
* Check that the command queued to the controller
@ -1187,7 +1411,6 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
u64 lba;
u32 count;
int status;
u16 fibsize;
struct aac_dev *dev;
struct fib * cmd_fibcontext;
@ -1227,22 +1450,8 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
}
dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
smp_processor_id(), (unsigned long long)lba, jiffies));
if ((!(dev->raw_io_interface) || !(dev->raw_io_64))
&& (lba & 0xffffffff00000000LL)) {
dprintk((KERN_DEBUG "aac_write: Illegal lba\n"));
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(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
? sizeof(scsicmd->sense_buffer)
: sizeof(dev->fsa_dev[cid].sense_data));
scsicmd->scsi_done(scsicmd);
if (aac_adapter_bounds(dev,scsicmd,lba))
return 0;
}
/*
* Allocate and initialize a Fib then setup a BlockWrite command
*/
@ -1251,85 +1460,8 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
scsicmd->scsi_done(scsicmd);
return 0;
}
aac_fib_init(cmd_fibcontext);
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((u32)(lba&0xffffffff));
writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
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));
BUG_ON(fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_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);
writecmd->cid = cpu_to_le16(cid);
writecmd->sector_count = cpu_to_le16(count);
writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
writecmd->pad = 0;
writecmd->flags = 0;
aac_build_sg64(scsicmd, &writecmd->sg);
fibsize = sizeof(struct aac_write64) +
((le32_to_cpu(writecmd->sg.count) - 1) *
sizeof (struct sgentry64));
BUG_ON (fibsize > (dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_fib_send(ContainerCommand64,
cmd_fibcontext,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) scsicmd);
} else {
struct aac_write *writecmd;
writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
writecmd->command = cpu_to_le32(VM_CtBlockWrite);
writecmd->cid = cpu_to_le32(cid);
writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
writecmd->count = cpu_to_le32(count * 512);
writecmd->sg.count = cpu_to_le32(1);
/* ->stable is not used - it did mean which type of write */
aac_build_sg(scsicmd, &writecmd->sg);
fibsize = sizeof(struct aac_write) +
((le32_to_cpu(writecmd->sg.count) - 1) *
sizeof (struct sgentry));
BUG_ON (fibsize > (dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_fib_send(ContainerCommand,
cmd_fibcontext,
fibsize,
FsaNormal,
0, 1,
(fib_callback) io_callback,
(void *) scsicmd);
}
status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
/*
* Check that the command queued to the controller
@ -2099,10 +2231,6 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
struct fib* cmd_fibcontext;
struct aac_dev* dev;
int status;
struct aac_srb *srbcmd;
u16 fibsize;
u32 flag;
u32 timeout;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
@ -2112,88 +2240,14 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
return 0;
}
switch(scsicmd->sc_data_direction){
case DMA_TO_DEVICE:
flag = SRB_DataOut;
break;
case DMA_BIDIRECTIONAL:
flag = SRB_DataIn | SRB_DataOut;
break;
case DMA_FROM_DEVICE:
flag = SRB_DataIn;
break;
case DMA_NONE:
default: /* shuts up some versions of gcc */
flag = SRB_NoDataXfer;
break;
}
/*
* Allocate and initialize a Fib then setup a BlockWrite command
*/
if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
return -1;
}
aac_fib_init(cmd_fibcontext);
status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(scsicmd)));
srbcmd->id = cpu_to_le32(scmd_id(scsicmd));
srbcmd->lun = cpu_to_le32(scsicmd->device->lun);
srbcmd->flags = cpu_to_le32(flag);
timeout = scsicmd->timeout_per_command/HZ;
if(timeout == 0){
timeout = 1;
}
srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
srbcmd->retry_limit = 0; /* Obsolete parameter */
srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
if( dev->dac_support == 1 ) {
aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
/*
* Build Scatter/Gather list
*/
fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
((le32_to_cpu(srbcmd->sg.count) & 0xff) *
sizeof (struct sgentry64));
BUG_ON (fibsize > (dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_fib_send(ScsiPortCommand64, cmd_fibcontext,
fibsize, FsaNormal, 0, 1,
(fib_callback) aac_srb_callback,
(void *) scsicmd);
} else {
aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
/*
* Build Scatter/Gather list
*/
fibsize = sizeof (struct aac_srb) +
(((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
sizeof (struct sgentry));
BUG_ON (fibsize > (dev->max_fib_size -
sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
status = aac_fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
(fib_callback) aac_srb_callback, (void *) scsicmd);
}
/*
* Check that the command queued to the controller
*/

18
drivers/scsi/aacraid/aacraid.h
View File

@ -486,6 +486,7 @@ enum aac_log_level {
struct aac_dev;
struct fib;
struct scsi_cmnd;
struct adapter_ops
{
@ -501,6 +502,10 @@ struct adapter_ops
irqreturn_t (*adapter_intr)(int irq, void *dev_id);
/* Packet operations */
int (*adapter_deliver)(struct fib * fib);
int (*adapter_bounds)(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba);
int (*adapter_read)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
int (*adapter_write)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
int (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
/* Administrative operations */
int (*adapter_comm)(struct aac_dev * dev, int comm);
};
@ -1061,6 +1066,18 @@ struct aac_dev
#define aac_adapter_deliver(fib) \
((fib)->dev)->a_ops.adapter_deliver(fib)
#define aac_adapter_bounds(dev,cmd,lba) \
dev->a_ops.adapter_bounds(dev,cmd,lba)
#define aac_adapter_read(fib,cmd,lba,count) \
((fib)->dev)->a_ops.adapter_read(fib,cmd,lba,count)
#define aac_adapter_write(fib,cmd,lba,count) \
((fib)->dev)->a_ops.adapter_write(fib,cmd,lba,count)
#define aac_adapter_scsi(fib,cmd) \
((fib)->dev)->a_ops.adapter_scsi(fib,cmd)
#define aac_adapter_comm(dev,comm) \
(dev)->a_ops.adapter_comm(dev, comm)
@ -1783,7 +1800,6 @@ static inline u32 cap_to_cyls(sector_t capacity, u32 divisor)
return (u32)capacity;
}
struct scsi_cmnd;
/* SCp.phase values */
#define AAC_OWNER_MIDLEVEL 0x101
#define AAC_OWNER_LOWLEVEL 0x102