This introduces a new active linklist which would link up all active bnx2i_endpoints. This will be used by subsequent patches that follows.
Signed-off-by: Eddie Wai <[email protected]> Reviewed-by: Michael Chan <[email protected]> Reviewed-by: Benjamin Li <[email protected]> Acked-by: Anil Veerabhadrappa <[email protected]> --- drivers/scsi/bnx2i/bnx2i.h | 4 +++ drivers/scsi/bnx2i/bnx2i_iscsi.c | 43 +++++++++++++++++++++++++++++++++++++- 2 files changed, 46 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index 6b624e7..c17c3a3 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -299,6 +299,7 @@ struct iscsi_cid_queue { * @cid_que: iscsi cid queue * @ep_rdwr_lock: read / write lock to synchronize various ep lists * @ep_ofld_list: connection list for pending offload completion + * @ep_active_list: connection list for active offload endpoints * @ep_destroy_list: connection list for pending offload completion * @mp_bd_tbl: BD table to be used with middle path requests * @mp_bd_dma: DMA address of 'mp_bd_tbl' memory buffer @@ -369,6 +370,7 @@ struct bnx2i_hba { rwlock_t ep_rdwr_lock; struct list_head ep_ofld_list; + struct list_head ep_active_list; struct list_head ep_destroy_list; /* @@ -645,6 +647,7 @@ enum { * @link: list head to link elements * @hba: adapter to which this connection belongs * @conn: iscsi connection this EP is linked to + * @cls_ep: associated iSCSI endpoint pointer * @sess: iscsi session this EP is linked to * @cm_sk: cnic sock struct * @hba_age: age to detect if 'iscsid' issues ep_disconnect() @@ -664,6 +667,7 @@ struct bnx2i_endpoint { struct list_head link; struct bnx2i_hba *hba; struct bnx2i_conn *conn; + struct iscsi_endpoint *cls_ep; struct cnic_sock *cm_sk; u32 hba_age; u32 state; diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index 3276555..2179296 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -386,6 +386,7 @@ static struct iscsi_endpoint *bnx2i_alloc_ep(struct bnx2i_hba *hba) } bnx2i_ep = ep->dd_data; + bnx2i_ep->cls_ep = ep; INIT_LIST_HEAD(&bnx2i_ep->link); bnx2i_ep->state = EP_STATE_IDLE; bnx2i_ep->ep_iscsi_cid = (u16) -1; @@ -678,7 +679,6 @@ bnx2i_find_ep_in_ofld_list(struct bnx2i_hba *hba, u32 iscsi_cid) return ep; } - /** * bnx2i_find_ep_in_destroy_list - find iscsi_cid in destroy list * @hba: pointer to adapter instance @@ -708,6 +708,41 @@ bnx2i_find_ep_in_destroy_list(struct bnx2i_hba *hba, u32 iscsi_cid) return ep; } + +/** + * bnx2i_ep_active_list_add - add an entry to ep active list + * @hba: pointer to adapter instance + * @ep: pointer to endpoint (transport indentifier) structure + * + * current active conn queue manager + */ +static int bnx2i_ep_active_list_add(struct bnx2i_hba *hba, + struct bnx2i_endpoint *ep) +{ + write_lock_bh(&hba->ep_rdwr_lock); + list_add_tail(&ep->link, &hba->ep_active_list); + write_unlock_bh(&hba->ep_rdwr_lock); + return 0; +} + + +/** + * bnx2i_ep_active_list_del - deletes an entry to ep active list + * @hba: pointer to adapter instance + * @ep: pointer to endpoint (transport indentifier) structure + * + * current active conn queue manager + */ +static int bnx2i_ep_active_list_del(struct bnx2i_hba *hba, + struct bnx2i_endpoint *ep) +{ + write_lock_bh(&hba->ep_rdwr_lock); + list_del_init(&ep->link); + write_unlock_bh(&hba->ep_rdwr_lock); + return 0; +} + + /** * bnx2i_setup_host_queue_size - assigns shost->can_queue param * @hba: pointer to adapter instance @@ -784,6 +819,7 @@ struct bnx2i_hba *bnx2i_alloc_hba(struct cnic_dev *cnic) goto mp_bdt_mem_err; INIT_LIST_HEAD(&hba->ep_ofld_list); + INIT_LIST_HEAD(&hba->ep_active_list); INIT_LIST_HEAD(&hba->ep_destroy_list); rwlock_init(&hba->ep_rdwr_lock); @@ -857,6 +893,7 @@ void bnx2i_free_hba(struct bnx2i_hba *hba) iscsi_host_remove(shost); INIT_LIST_HEAD(&hba->ep_ofld_list); + INIT_LIST_HEAD(&hba->ep_active_list); INIT_LIST_HEAD(&hba->ep_destroy_list); pci_dev_put(hba->pcidev); @@ -1755,6 +1792,8 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost, } else rc = cnic->cm_connect(bnx2i_ep->cm_sk, &saddr); + bnx2i_ep_active_list_add(hba, bnx2i_ep); + if (rc) goto release_ep; @@ -1764,6 +1803,7 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost, return ep; release_ep: + bnx2i_ep_active_list_del(hba, bnx2i_ep); if (bnx2i_tear_down_conn(hba, bnx2i_ep)) { mutex_unlock(&hba->net_dev_lock); return ERR_PTR(rc); @@ -1931,6 +1971,7 @@ int bnx2i_hw_ep_disconnect(struct bnx2i_endpoint *bnx2i_ep) del_timer_sync(&bnx2i_ep->ofld_timer); destroy_conn: + bnx2i_ep_active_list_del(hba, bnx2i_ep); if (bnx2i_tear_down_conn(hba, bnx2i_ep)) ret = -EINVAL; out: -- 1.7.0.5 -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=en.
