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[SCSI] libiscsi: iscsi_session_setup to allow for private space

Browse source 
This patch contains changes that allow iscsi_session_setup
to allocate private space for LLD's

Signed-off-by: Jayamohan Kallickal <[email protected]>
Acked-by: Mike Christie <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
This commit is contained in:
Jayamohan Kallickal 2009-09-22 08:21:22 +05:30 • committed by James Bottomley
commit b8b9e1b812
8 changed files with 19 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/scsi/be2iscsi/be_iscsi.c
View file

@ -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;

5
drivers/scsi/be2iscsi/be_main.h
View file

@ -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 */

2
drivers/scsi/bnx2i/bnx2i_iscsi.c
View file

@ -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;

2
drivers/scsi/cxgb3i/cxgb3i_iscsi.c
View file

@ -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);

2
drivers/scsi/iscsi_tcp.c
View file

@ -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);

6
drivers/scsi/libiscsi.c
View file

@ -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);