diff options
Diffstat (limited to 'drivers/scsi/bnx2i/bnx2i_init.c')
| -rw-r--r-- | drivers/scsi/bnx2i/bnx2i_init.c | 108 |
1 files changed, 20 insertions, 88 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c index 50c2aa3b8eb1..72a7b2d4a439 100644 --- a/drivers/scsi/bnx2i/bnx2i_init.c +++ b/drivers/scsi/bnx2i/bnx2i_init.c @@ -1,6 +1,6 @@ /* bnx2i.c: Broadcom NetXtreme II iSCSI driver. * - * Copyright (c) 2006 - 2009 Broadcom Corporation + * Copyright (c) 2006 - 2010 Broadcom Corporation * Copyright (c) 2007, 2008 Red Hat, Inc. All rights reserved. * Copyright (c) 2007, 2008 Mike Christie * @@ -9,6 +9,7 @@ * the Free Software Foundation. * * Written by: Anil Veerabhadrappa (anilgv@broadcom.com) + * Maintained by: Eddie Wai (eddie.wai@broadcom.com) */ #include "bnx2i.h" @@ -17,8 +18,8 @@ static struct list_head adapter_list = LIST_HEAD_INIT(adapter_list); static u32 adapter_count; #define DRV_MODULE_NAME "bnx2i" -#define DRV_MODULE_VERSION "2.1.3" -#define DRV_MODULE_RELDATE "Aug 10, 2010" +#define DRV_MODULE_VERSION "2.6.2.2" +#define DRV_MODULE_RELDATE "Nov 23, 2010" static char version[] __devinitdata = "Broadcom NetXtreme II iSCSI Driver " DRV_MODULE_NAME \ @@ -65,8 +66,6 @@ MODULE_PARM_DESC(rq_size, "Configure RQ size"); u64 iscsi_error_mask = 0x00; -static void bnx2i_unreg_one_device(struct bnx2i_hba *hba) ; - /** * bnx2i_identify_device - identifies NetXtreme II device type @@ -211,13 +210,24 @@ void bnx2i_stop(void *handle) { struct bnx2i_hba *hba = handle; int conns_active; + int wait_delay = 1 * HZ; /* check if cleanup happened in GOING_DOWN context */ - if (!test_and_clear_bit(ADAPTER_STATE_GOING_DOWN, - &hba->adapter_state)) + if (!test_and_set_bit(ADAPTER_STATE_GOING_DOWN, + &hba->adapter_state)) { iscsi_host_for_each_session(hba->shost, bnx2i_drop_session); - + wait_delay = hba->hba_shutdown_tmo; + } + /* Wait for inflight offload connection tasks to complete before + * proceeding. Forcefully terminate all connection recovery in + * progress at the earliest, either in bind(), send_pdu(LOGIN), + * or conn_start() + */ + wait_event_interruptible_timeout(hba->eh_wait, + (list_empty(&hba->ep_ofld_list) && + list_empty(&hba->ep_destroy_list)), + 10 * HZ); /* Wait for all endpoints to be torn down, Chip will be reset once * control returns to network driver. So it is required to cleanup and * release all connection resources before returning from this routine. @@ -226,7 +236,7 @@ void bnx2i_stop(void *handle) conns_active = hba->ofld_conns_active; wait_event_interruptible_timeout(hba->eh_wait, (hba->ofld_conns_active != conns_active), - hba->hba_shutdown_tmo); + wait_delay); if (hba->ofld_conns_active == conns_active) break; } @@ -235,88 +245,10 @@ void bnx2i_stop(void *handle) /* This flag should be cleared last so that ep_disconnect() gracefully * cleans up connection context */ + clear_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state); clear_bit(ADAPTER_STATE_UP, &hba->adapter_state); } -/** - * bnx2i_register_device - register bnx2i adapter instance with the cnic driver - * @hba: Adapter instance to register - * - * registers bnx2i adapter instance with the cnic driver while holding the - * adapter structure lock - */ -void bnx2i_register_device(struct bnx2i_hba *hba) -{ - int rc; - - if (test_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state) || - test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) { - return; - } - - rc = hba->cnic->register_device(hba->cnic, CNIC_ULP_ISCSI, hba); - - if (!rc) - set_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic); -} - - -/** - * bnx2i_reg_dev_all - registers all adapter instances with the cnic driver - * - * registers all bnx2i adapter instances with the cnic driver while holding - * the global resource lock - */ -void bnx2i_reg_dev_all(void) -{ - struct bnx2i_hba *hba, *temp; - - mutex_lock(&bnx2i_dev_lock); - list_for_each_entry_safe(hba, temp, &adapter_list, link) - bnx2i_register_device(hba); - mutex_unlock(&bnx2i_dev_lock); -} - - -/** - * bnx2i_unreg_one_device - unregister adapter instance with the cnic driver - * @hba: Adapter instance to unregister - * - * registers bnx2i adapter instance with the cnic driver while holding - * the adapter structure lock - */ -static void bnx2i_unreg_one_device(struct bnx2i_hba *hba) -{ - if (hba->ofld_conns_active || - !test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic) || - test_bit(ADAPTER_STATE_GOING_DOWN, &hba->adapter_state)) - return; - - hba->cnic->unregister_device(hba->cnic, CNIC_ULP_ISCSI); - - /* ep_disconnect could come before NETDEV_DOWN, driver won't - * see NETDEV_DOWN as it already unregistered itself. - */ - hba->adapter_state = 0; - clear_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic); -} - -/** - * bnx2i_unreg_dev_all - unregisters all bnx2i instances with the cnic driver - * - * unregisters all bnx2i adapter instances with the cnic driver while holding - * the global resource lock - */ -void bnx2i_unreg_dev_all(void) -{ - struct bnx2i_hba *hba, *temp; - - mutex_lock(&bnx2i_dev_lock); - list_for_each_entry_safe(hba, temp, &adapter_list, link) - bnx2i_unreg_one_device(hba); - mutex_unlock(&bnx2i_dev_lock); -} - /** * bnx2i_init_one - initialize an adapter instance and allocate memory resources |
