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Support for Persistent Reservations for qla2x00t added

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1729 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2010-05-31 18:05:09 +00:00
parent 888bd5150e
commit 417ba22149
1 changed files with 44 additions and 0 deletions
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44
qla2x00t/qla2x00-target/qla2x00t.c
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@@ -71,6 +71,8 @@ static int __q24_xmit_response(struct q2t_cmd *cmd, int xmit_type);
static int q2t_rdy_to_xfer(struct scst_cmd *scst_cmd);
static void q2t_on_free_cmd(struct scst_cmd *scst_cmd);
static void q2t_task_mgmt_fn_done(struct scst_mgmt_cmd *mcmd);
static int q2t_get_initiator_port_transport_id(struct scst_session *scst_sess,
uint8_t **transport_id);
/* Predefs for callbacks handed to qla2xxx(target) */
static void q24_atio_pkt(scsi_qla_host_t *ha, atio7_entry_t *pkt);
@@ -167,6 +169,7 @@ static struct scst_tgt_template tgt2x_template = {
.rdy_to_xfer = q2t_rdy_to_xfer,
.on_free_cmd = q2t_on_free_cmd,
.task_mgmt_fn_done = q2t_task_mgmt_fn_done,
.get_initiator_port_transport_id = q2t_get_initiator_port_transport_id,
.on_hw_pending_cmd_timeout = q2t_on_hw_pending_cmd_timeout,
.enable_target = q2t_enable_tgt,
.is_target_enabled = q2t_is_tgt_enabled,
@@ -5207,6 +5210,47 @@ static bool q2t_is_tgt_enabled(struct scst_tgt *scst_tgt)
return qla_tgt_mode_enabled(ha);
}
static int q2t_get_initiator_port_transport_id(struct scst_session *scst_sess,
uint8_t **transport_id)
{
struct q2t_sess *sess;
int res = 0;
int tr_id_size;
uint8_t *tr_id;
TRACE_ENTRY();
if (scst_sess == NULL) {
res = SCSI_TRANSPORTID_PROTOCOLID_FCP2;
goto out;
}
sess = (struct q2t_sess *)scst_sess_get_tgt_priv(scst_sess);
tr_id_size = 24;
tr_id = kzalloc(tr_id_size, GFP_KERNEL);
if (tr_id == NULL) {
PRINT_ERROR("Allocation of TransportID (size %d) failed",
tr_id_size);
res = -ENOMEM;
goto out;
}
tr_id[0] = SCSI_TRANSPORTID_PROTOCOLID_FCP2;
BUILD_BUG_ON(sizeof(sess->port_name) != 8);
memcpy(&tr_id[8], sess->port_name, 8);
*transport_id = tr_id;
TRACE_BUFF_FLAG(TRACE_DEBUG, "Created tid", tr_id, tr_id_size);
out:
TRACE_EXIT_RES(res);
return res;
}
#ifndef CONFIG_SCST_PROC
static ssize_t q2t_show_expl_conf_enabled(struct kobject *kobj,