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scst: Add support for the READ and WRITE DYN RUNTIME ATTR commands

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Signed-off-by: Rob Turk <robtu@rtist.nl>
[ bvanassche: moved get_cdb_info_dyn_runtime_attr() definition ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9324 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2021-01-04 03:59:00 +00:00
parent e6561891ff
commit 9aaa0846dc
1 changed files with 24 additions and 0 deletions
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24
scst/src/scst_lib.c
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@@ -495,6 +495,8 @@ static int get_cdb_info_mo(struct scst_cmd *cmd,
const struct scst_sdbops *sdbops);
static int get_cdb_info_var_len(struct scst_cmd *cmd,
const struct scst_sdbops *sdbops);
static int get_cdb_info_dyn_runtime_attr(struct scst_cmd *cmd,
const struct scst_sdbops *sdbops);
/*
* +=====================================-============-======-
@@ -1668,6 +1670,18 @@ static const struct scst_sdbops scst_scsi_op_table[] = {
.info_op_flags = FLAG_NONE,
.info_len_off = 6, .info_len_len = 4,
.get_cdb_info = get_cdb_info_len_4},
{.ops = 0xD1, .devkey = " O ",
.info_op_name = "READ DYN RUNTIME ATTR",
.info_data_direction = SCST_DATA_READ,
.info_op_flags = FLAG_NONE,
.info_len_off = 6, .info_len_len = 4,
.get_cdb_info = get_cdb_info_dyn_runtime_attr},
{.ops = 0xD2, .devkey = " O ",
.info_op_name = "WRITE DYN RUNTIME ATTR",
.info_data_direction = SCST_DATA_WRITE,
.info_op_flags = FLAG_NONE,
.info_len_off = 6, .info_len_len = 4,
.get_cdb_info = get_cdb_info_dyn_runtime_attr},
{.ops = 0xE7, .devkey = " V ",
.info_op_name = "INIT ELEMENT STATUS WRANGE",
.info_data_direction = SCST_DATA_NONE,
@@ -11784,6 +11798,16 @@ static int get_cdb_info_write_same32(struct scst_cmd *cmd,
return get_cdb_info_write_same(cmd, sdbops, cmd->cdb[10] & 1 /*NDOB*/);
}
static int get_cdb_info_dyn_runtime_attr(struct scst_cmd *cmd,
const struct scst_sdbops *sdbops)
{
/*
* Read/write dyn runtime attr commands are non-standard, CDB len is 12
*/
cmd->cdb_len = 12;
return get_cdb_info_len_4(cmd, sdbops);
}
/**
* scst_set_cmd_from_cdb_info() - Parse the SCSI CDB.
* @cmd: SCSI command to parse.