This patch contains changes that allow iscsi_session_setup
to allocate private space for LLD's
Signed-off-by: Jayamohan Kallickal <jayamohank@xxxxxxxxxxxxxxxxx>
---
drivers/infiniband/ulp/iser/iscsi_iser.c | 2 +-
drivers/scsi/be2iscsi/be_iscsi.c | 6 ++++--
drivers/scsi/be2iscsi/be_main.h | 5 +++++
drivers/scsi/bnx2i/bnx2i_iscsi.c | 2 +-
drivers/scsi/cxgb3i/cxgb3i_iscsi.c | 2 +-
drivers/scsi/iscsi_tcp.c | 2 +-
drivers/scsi/libiscsi.c | 6 ++++--
include/scsi/libiscsi.h | 3 ++-
8 files changed, 19 insertions(+), 9 deletions(-)
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 0ba6ec8..add9188 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -426,7 +426,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
* because we preallocate so many resources
*/
cls_session = iscsi_session_setup(&iscsi_iser_transport, shost,
- ISCSI_DEF_XMIT_CMDS_MAX,
+ ISCSI_DEF_XMIT_CMDS_MAX, 0,
sizeof(struct iscsi_iser_task),
initial_cmdsn, 0);
if (!cls_session)
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index b23526c..f18e643 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -44,9 +44,10 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
struct Scsi_Host *shost;
struct beiscsi_endpoint *beiscsi_ep;
struct iscsi_cls_session *cls_session;
- struct iscsi_session *sess;
struct beiscsi_hba *phba;
struct iscsi_task *task;
+ struct iscsi_session *sess;
+ struct beiscsi_session *beiscsi_sess;
struct beiscsi_io_task *io_task;
unsigned int max_size, num_cmd;
dma_addr_t bus_add;
@@ -73,7 +74,8 @@ struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
shost, cmds_max,
- sizeof(struct beiscsi_io_task),
+ sizeof(*beiscsi_sess),
+ sizeof(*io_task),
initial_cmdsn, ISCSI_MAX_TARGET);
if (!cls_session)
return NULL;
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index 2520c39..387e363 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -327,6 +327,10 @@ struct beiscsi_hba {
struct be_ctrl_info ctrl;
};
+struct beiscsi_session {
+ struct pci_pool *bhs_pool;
+};
+
/**
* struct beiscsi_conn - iscsi connection structure
*/
@@ -338,6 +342,7 @@ struct beiscsi_conn {
struct beiscsi_endpoint *ep;
unsigned short login_in_progress;
struct sgl_handle *plogin_sgl_handle;
+ struct beiscsi_session *beiscsi_sess;
};
/* This structure is used by the chip */
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index 9a7ba71..cafb888 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -1243,7 +1243,7 @@ bnx2i_session_create(struct iscsi_endpoint *ep,
cmds_max = BNX2I_SQ_WQES_MIN;
cls_session = iscsi_session_setup(&bnx2i_iscsi_transport, shost,
- cmds_max, sizeof(struct bnx2i_cmd),
+ cmds_max, 0, sizeof(struct bnx2i_cmd),
initial_cmdsn, ISCSI_MAX_TARGET);
if (!cls_session)
return NULL;
diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
index c399f48..2631bdd 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
@@ -422,7 +422,7 @@ cxgb3i_session_create(struct iscsi_endpoint *ep, u16 cmds_max, u16 qdepth,
BUG_ON(hba != iscsi_host_priv(shost));
cls_session = iscsi_session_setup(&cxgb3i_iscsi_transport, shost,
- cmds_max,
+ cmds_max, 0,
sizeof(struct iscsi_tcp_task) +
sizeof(struct cxgb3i_task_data),
initial_cmdsn, ISCSI_MAX_TARGET);
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 2b1b834..edc49ca 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -811,7 +811,7 @@ iscsi_sw_tcp_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
goto free_host;
cls_session = iscsi_session_setup(&iscsi_sw_tcp_transport, shost,
- cmds_max,
+ cmds_max, 0,
sizeof(struct iscsi_tcp_task) +
sizeof(struct iscsi_sw_tcp_hdrbuf),
initial_cmdsn, 0);
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 8dc73c4..f1a4246 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2436,7 +2436,7 @@ static void iscsi_host_dec_session_cnt(struct Scsi_Host *shost)
*/
struct iscsi_cls_session *
iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
- uint16_t cmds_max, int cmd_task_size,
+ uint16_t cmds_max, int dd_size, int cmd_task_size,
uint32_t initial_cmdsn, unsigned int id)
{
struct iscsi_host *ihost = shost_priv(shost);
@@ -2486,7 +2486,8 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
scsi_cmds = total_cmds - ISCSI_MGMT_CMDS_MAX;
cls_session = iscsi_alloc_session(shost, iscsit,
- sizeof(struct iscsi_session));
+ sizeof(struct iscsi_session) +
+ dd_size);
if (!cls_session)
goto dec_session_count;
session = cls_session->dd_data;
@@ -2503,6 +2504,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
session->max_cmdsn = initial_cmdsn + 1;
session->max_r2t = 1;
session->tt = iscsit;
+ session->dd_data = cls_session->dd_data + sizeof(*session);
mutex_init(&session->eh_mutex);
spin_lock_init(&session->lock);
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 887e57e..a72edd4 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -303,6 +303,7 @@ struct iscsi_session {
int cmds_max; /* size of cmds array */
struct iscsi_task **cmds; /* Original Cmds arr */
struct iscsi_pool cmdpool; /* PDU's pool */
+ void *dd_data; /* LLD private data */
};
enum {
@@ -363,7 +364,7 @@ extern int iscsi_target_alloc(struct scsi_target *starget);
*/
extern struct iscsi_cls_session *
iscsi_session_setup(struct iscsi_transport *, struct Scsi_Host *shost,
- uint16_t, int, uint32_t, unsigned int);
+ uint16_t, int, int, uint32_t, unsigned int);
extern void iscsi_session_teardown(struct iscsi_cls_session *);
extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
--
1.6.4
--
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