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Add support for WRITEVERIFY10/12/16

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This commit is contained in:
Ronnie Sahlberg
2012-07-14 08:19:43 +10:00
parent 1745f76bef
commit 29f5e9378f
7 changed files with 372 additions and 0 deletions
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9
lib/libiscsi.def
View File

@@ -88,6 +88,12 @@ iscsi_write12_sync
iscsi_write12_task
iscsi_write16_sync
iscsi_write16_task
iscsi_writeverify10_sync
iscsi_writeverify10_task
iscsi_writeverify12_sync
iscsi_writeverify12_task
iscsi_writeverify16_sync
iscsi_writeverify16_task
iscsi_writesame10_sync
iscsi_writesame10_task
iscsi_writesame16_sync
@@ -114,6 +120,9 @@ scsi_cdb_verify16
scsi_cdb_write10
scsi_cdb_write12
scsi_cdb_write16
scsi_cdb_writeverify10
scsi_cdb_writeverify12
scsi_cdb_writeverify16
scsi_cdb_writesame10
scsi_cdb_writesame16
scsi_codeset_to_str

9
lib/libiscsi.syms
View File

@@ -86,6 +86,12 @@ iscsi_write12_sync
iscsi_write12_task
iscsi_write16_sync
iscsi_write16_task
iscsi_writeverify10_sync
iscsi_writeverify10_task
iscsi_writeverify12_sync
iscsi_writeverify12_task
iscsi_writeverify16_sync
iscsi_writeverify16_task
iscsi_writesame10_sync
iscsi_writesame10_task
iscsi_writesame16_sync
@@ -112,6 +118,9 @@ scsi_cdb_verify16
scsi_cdb_write10
scsi_cdb_write12
scsi_cdb_write16
scsi_cdb_writeverify10
scsi_cdb_writeverify12
scsi_cdb_writeverify16
scsi_cdb_writesame10
scsi_cdb_writesame16
scsi_codeset_to_str

105
lib/scsi-command.c
View File

@@ -870,6 +870,111 @@ iscsi_write16_task(struct iscsi_context *iscsi, int lun, uint64_t lba,
return task;
}
struct scsi_task *
iscsi_writeverify10_task(struct iscsi_context *iscsi, int lun, uint32_t lba,
unsigned char *data, uint32_t datalen, int blocksize,
int wrprotect, int dpo, int bytchk, int group_number,
iscsi_command_cb cb, void *private_data)
{
struct scsi_task *task;
struct iscsi_data outdata;
if (datalen % blocksize != 0) {
iscsi_set_error(iscsi, "Datalen:%d is not a multiple of the "
"blocksize:%d.", datalen, blocksize);
return NULL;
}
task = scsi_cdb_writeverify10(lba, datalen, blocksize, wrprotect,
dpo, bytchk, group_number);
if (task == NULL) {
iscsi_set_error(iscsi, "Out-of-memory: Failed to create "
"writeverify10 cdb.");
return NULL;
}
outdata.data = data;
outdata.size = datalen;
if (iscsi_scsi_command_async(iscsi, lun, task, cb, &outdata,
private_data) != 0) {
scsi_free_scsi_task(task);
return NULL;
}
return task;
}
struct scsi_task *
iscsi_writeverify12_task(struct iscsi_context *iscsi, int lun, uint32_t lba,
unsigned char *data, uint32_t datalen, int blocksize,
int wrprotect, int dpo, int bytchk, int group_number,
iscsi_command_cb cb, void *private_data)
{
struct scsi_task *task;
struct iscsi_data outdata;
if (datalen % blocksize != 0) {
iscsi_set_error(iscsi, "Datalen:%d is not a multiple of the "
"blocksize:%d.", datalen, blocksize);
return NULL;
}
task = scsi_cdb_writeverify12(lba, datalen, blocksize, wrprotect,
dpo, bytchk, group_number);
if (task == NULL) {
iscsi_set_error(iscsi, "Out-of-memory: Failed to create "
"writeverify12 cdb.");
return NULL;
}
outdata.data = data;
outdata.size = datalen;
if (iscsi_scsi_command_async(iscsi, lun, task, cb, &outdata,
private_data) != 0) {
scsi_free_scsi_task(task);
return NULL;
}
return task;
}
struct scsi_task *
iscsi_writeverify16_task(struct iscsi_context *iscsi, int lun, uint64_t lba,
unsigned char *data, uint32_t datalen, int blocksize,
int wrprotect, int dpo, int bytchk, int group_number,
iscsi_command_cb cb, void *private_data)
{
struct scsi_task *task;
struct iscsi_data outdata;
if (datalen % blocksize != 0) {
iscsi_set_error(iscsi, "Datalen:%d is not a multiple of the "
"blocksize:%d.", datalen, blocksize);
return NULL;
}
task = scsi_cdb_writeverify16(lba, datalen, blocksize, wrprotect,
dpo, bytchk, group_number);
if (task == NULL) {
iscsi_set_error(iscsi, "Out-of-memory: Failed to create "
"writeverify16 cdb.");
return NULL;
}
outdata.data = data;
outdata.size = datalen;
if (iscsi_scsi_command_async(iscsi, lun, task, cb, &outdata,
private_data) != 0) {
scsi_free_scsi_task(task);
return NULL;
}
return task;
}
struct scsi_task *
iscsi_verify10_task(struct iscsi_context *iscsi, int lun, unsigned char *data,
uint32_t datalen, uint32_t lba, int vprotect, int dpo, int bytchk, int blocksize,

130
lib/scsi-lowlevel.c
View File

@@ -1623,6 +1623,136 @@ scsi_cdb_get_lba_status(uint64_t starting_lba, uint32_t alloc_len)
return task;
}
/*
* WRITEVERIFY10
*/
struct scsi_task *
scsi_cdb_writeverify10(uint32_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int bytchk, int group_number)
{
struct scsi_task *task;
task = malloc(sizeof(struct scsi_task));
if (task == NULL) {
return NULL;
}
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY10;
task->cdb[1] |= ((wrprotect & 0x07) << 5);
if (dpo) {
task->cdb[1] |= 0x10;
}
if (bytchk) {
task->cdb[1] |= 0x02;
}
*(uint32_t *)&task->cdb[2] = htonl(lba);
*(uint16_t *)&task->cdb[7] = htons(xferlen/blocksize);
task->cdb[6] |= (group_number & 0x1f);
task->cdb_size = 10;
if (xferlen != 0) {
task->xfer_dir = SCSI_XFER_WRITE;
} else {
task->xfer_dir = SCSI_XFER_NONE;
}
task->expxferlen = xferlen;
task->params.writeverify10.lba = lba;
task->params.writeverify10.num_blocks = xferlen/blocksize;
return task;
}
/*
* WRITEVERIFY12
*/
struct scsi_task *
scsi_cdb_writeverify12(uint32_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int bytchk, int group_number)
{
struct scsi_task *task;
task = malloc(sizeof(struct scsi_task));
if (task == NULL) {
return NULL;
}
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY12;
task->cdb[1] |= ((wrprotect & 0x07) << 5);
if (dpo) {
task->cdb[1] |= 0x10;
}
if (bytchk) {
task->cdb[1] |= 0x02;
}
*(uint32_t *)&task->cdb[2] = htonl(lba);
*(uint32_t *)&task->cdb[6] = htonl(xferlen/blocksize);
task->cdb[10] |= (group_number & 0x1f);
task->cdb_size = 12;
if (xferlen != 0) {
task->xfer_dir = SCSI_XFER_WRITE;
} else {
task->xfer_dir = SCSI_XFER_NONE;
}
task->expxferlen = xferlen;
task->params.writeverify12.lba = lba;
task->params.writeverify12.num_blocks = xferlen/blocksize;
return task;
}
/*
* WRITEVERIFY16
*/
struct scsi_task *
scsi_cdb_writeverify16(uint64_t lba, uint32_t xferlen, int blocksize, int wrprotect, int dpo, int bytchk, int group_number)
{
struct scsi_task *task;
task = malloc(sizeof(struct scsi_task));
if (task == NULL) {
return NULL;
}
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE_VERIFY16;
task->cdb[1] |= ((wrprotect & 0x07) << 5);
if (dpo) {
task->cdb[1] |= 0x10;
}
if (bytchk) {
task->cdb[1] |= 0x02;
}
*(uint32_t *)&task->cdb[2] = htonl(lba >> 32);
*(uint32_t *)&task->cdb[6] = htonl(lba & 0xffffffff);
*(uint32_t *)&task->cdb[10] = htonl(xferlen/blocksize);
task->cdb[14] |= (group_number & 0x1f);
task->cdb_size = 16;
if (xferlen != 0) {
task->xfer_dir = SCSI_XFER_WRITE;
} else {
task->xfer_dir = SCSI_XFER_NONE;
}
task->expxferlen = xferlen;
task->params.writeverify16.lba = lba;
task->params.writeverify16.num_blocks = xferlen/blocksize;
return task;
}
int
scsi_datain_getfullsize(struct scsi_task *task)
{

68
lib/sync.c
View File

@@ -528,6 +528,74 @@ iscsi_write16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
return state.task;
}
struct scsi_task *
iscsi_writeverify10_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
unsigned char *data, uint32_t datalen, int blocksize,
int wrprotect, int dpo, int bytchk, int group_number)
{
struct iscsi_sync_state state;
memset(&state, 0, sizeof(state));
if (iscsi_writeverify10_task(iscsi, lun, lba, data, datalen, blocksize,
wrprotect, dpo, bytchk, group_number,
scsi_sync_cb, &state) == NULL) {
iscsi_set_error(iscsi,
"Failed to send Writeverify10 command");
return NULL;
}
event_loop(iscsi, &state);
return state.task;
}
struct scsi_task *
iscsi_writeverify12_sync(struct iscsi_context *iscsi, int lun, uint32_t lba,
unsigned char *data, uint32_t datalen, int blocksize,
int wrprotect, int dpo, int bytchk, int group_number)
{
struct iscsi_sync_state state;
memset(&state, 0, sizeof(state));
if (iscsi_writeverify12_task(iscsi, lun, lba,
data, datalen, blocksize, wrprotect,
dpo, bytchk, group_number,
scsi_sync_cb, &state) == NULL) {
iscsi_set_error(iscsi,
"Failed to send Writeverify12 command");
return NULL;
}
event_loop(iscsi, &state);
return state.task;
}
struct scsi_task *
iscsi_writeverify16_sync(struct iscsi_context *iscsi, int lun, uint64_t lba,
unsigned char *data, uint32_t datalen, int blocksize,
int wrprotect, int dpo, int bytchk, int group_number)
{
struct iscsi_sync_state state;
memset(&state, 0, sizeof(state));
if (iscsi_writeverify16_task(iscsi, lun, lba,
data, datalen, blocksize, wrprotect,
dpo, bytchk, group_number,
scsi_sync_cb, &state) == NULL) {
iscsi_set_error(iscsi,
"Failed to send Writeverify16 command");
return NULL;
}
event_loop(iscsi, &state);
return state.task;
}
struct scsi_task *
iscsi_verify10_sync(struct iscsi_context *iscsi, int lun, unsigned char *data, uint32_t datalen, uint32_t lba,
int vprotect, int dpo, int bytchk, int blocksize)