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-rw-r--r--drivers/target/target_core_file.c6
-rw-r--r--drivers/target/target_core_iblock.c6
-rw-r--r--drivers/target/target_core_rd.c6
-rw-r--r--drivers/target/target_core_sbc.c37
-rw-r--r--include/target/target_core_backend.h3
-rw-r--r--include/target/target_core_base.h5
6 files changed, 40 insertions, 23 deletions
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index bc3245d..c5448a5 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -547,11 +547,9 @@ fd_execute_unmap(struct se_cmd *cmd)
}
static sense_reason_t
-fd_execute_rw(struct se_cmd *cmd)
+fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
+ enum dma_data_direction data_direction)
{
- struct scatterlist *sgl = cmd->t_data_sg;
- u32 sgl_nents = cmd->t_data_nents;
- enum dma_data_direction data_direction = cmd->data_direction;
struct se_device *dev = cmd->se_dev;
int ret = 0;
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 0a460f3..81464eb 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -587,11 +587,9 @@ static ssize_t iblock_show_configfs_dev_params(struct se_device *dev, char *b)
}
static sense_reason_t
-iblock_execute_rw(struct se_cmd *cmd)
+iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
+ enum dma_data_direction data_direction)
{
- struct scatterlist *sgl = cmd->t_data_sg;
- u32 sgl_nents = cmd->t_data_nents;
- enum dma_data_direction data_direction = cmd->data_direction;
struct se_device *dev = cmd->se_dev;
struct iblock_req *ibr;
struct bio *bio;
diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c
index 51127d1..958d17ad 100644
--- a/drivers/target/target_core_rd.c
+++ b/drivers/target/target_core_rd.c
@@ -280,11 +280,9 @@ static struct rd_dev_sg_table *rd_get_sg_table(struct rd_dev *rd_dev, u32 page)
}
static sense_reason_t
-rd_execute_rw(struct se_cmd *cmd)
+rd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
+ enum dma_data_direction data_direction)
{
- struct scatterlist *sgl = cmd->t_data_sg;
- u32 sgl_nents = cmd->t_data_nents;
- enum dma_data_direction data_direction = cmd->data_direction;
struct se_device *se_dev = cmd->se_dev;
struct rd_dev *dev = RD_DEV(se_dev);
struct rd_dev_sg_table *table;
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index be5234a..5569b36 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -337,6 +337,13 @@ out:
return ret;
}
+static sense_reason_t
+sbc_execute_rw(struct se_cmd *cmd)
+{
+ return cmd->execute_rw(cmd, cmd->t_data_sg, cmd->t_data_nents,
+ cmd->data_direction);
+}
+
sense_reason_t
sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
{
@@ -351,31 +358,36 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
sectors = transport_get_sectors_6(cdb);
cmd->t_task_lba = transport_lba_21(cdb);
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case READ_10:
sectors = transport_get_sectors_10(cdb);
cmd->t_task_lba = transport_lba_32(cdb);
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case READ_12:
sectors = transport_get_sectors_12(cdb);
cmd->t_task_lba = transport_lba_32(cdb);
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case READ_16:
sectors = transport_get_sectors_16(cdb);
cmd->t_task_lba = transport_lba_64(cdb);
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_6:
sectors = transport_get_sectors_6(cdb);
cmd->t_task_lba = transport_lba_21(cdb);
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_10:
case WRITE_VERIFY:
@@ -384,7 +396,8 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (cdb[1] & 0x8)
cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_12:
sectors = transport_get_sectors_12(cdb);
@@ -392,7 +405,8 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (cdb[1] & 0x8)
cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case WRITE_16:
sectors = transport_get_sectors_16(cdb);
@@ -400,7 +414,8 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (cdb[1] & 0x8)
cmd->se_cmd_flags |= SCF_FUA;
cmd->se_cmd_flags |= SCF_SCSI_DATA_CDB;
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
break;
case XDWRITEREAD_10:
if (cmd->data_direction != DMA_TO_DEVICE ||
@@ -414,7 +429,8 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
/*
* Setup BIDI XOR callback to be run after I/O completion.
*/
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
cmd->transport_complete_callback = &xdreadwrite_callback;
if (cdb[1] & 0x8)
cmd->se_cmd_flags |= SCF_FUA;
@@ -437,7 +453,8 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
* Setup BIDI XOR callback to be run during after I/O
* completion.
*/
- cmd->execute_cmd = ops->execute_rw;
+ cmd->execute_rw = ops->execute_rw;
+ cmd->execute_cmd = sbc_execute_rw;
cmd->transport_complete_callback = &xdreadwrite_callback;
if (cdb[1] & 0x8)
cmd->se_cmd_flags |= SCF_FUA;
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index ffa2696..77f25e0 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -39,7 +39,8 @@ struct se_subsystem_api {
};
struct sbc_ops {
- sense_reason_t (*execute_rw)(struct se_cmd *cmd);
+ sense_reason_t (*execute_rw)(struct se_cmd *cmd, struct scatterlist *,
+ u32, enum dma_data_direction);
sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd);
sense_reason_t (*execute_write_same)(struct se_cmd *cmd);
sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd);
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 3313b7d..4a26a18 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -159,6 +159,8 @@ enum se_cmd_flags_table {
SCF_ALUA_NON_OPTIMIZED = 0x00008000,
SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00020000,
SCF_ACK_KREF = 0x00040000,
+ SCF_COMPARE_AND_WRITE = 0x00080000,
+ SCF_COMPARE_AND_WRITE_POST = 0x00100000,
};
/* struct se_dev_entry->lun_flags and struct se_lun->lun_access */
@@ -448,11 +450,14 @@ struct se_cmd {
struct kref cmd_kref;
struct target_core_fabric_ops *se_tfo;
sense_reason_t (*execute_cmd)(struct se_cmd *);
+ sense_reason_t (*execute_rw)(struct se_cmd *, struct scatterlist *,
+ u32, enum dma_data_direction);
sense_reason_t (*transport_complete_callback)(struct se_cmd *);
unsigned char *t_task_cdb;
unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE];
unsigned long long t_task_lba;
+ unsigned int t_task_nolb;
unsigned int transport_state;
#define CMD_T_ABORTED (1 << 0)
#define CMD_T_ACTIVE (1 << 1)
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