diff options
Diffstat (limited to 'drivers/scsi/bnx2i/bnx2i.h')
| -rw-r--r-- | drivers/scsi/bnx2i/bnx2i.h | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index e7cb7ecf6847..dc5700765db4 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -1,6 +1,6 @@ /* bnx2i.h: Broadcom NetXtreme II iSCSI driver. * - * Copyright (c) 2006 - 2010 Broadcom Corporation + * Copyright (c) 2006 - 2011 Broadcom Corporation * Copyright (c) 2007, 2008 Red Hat, Inc. All rights reserved. * Copyright (c) 2007, 2008 Mike Christie * @@ -22,11 +22,14 @@ #include <linux/pci.h> #include <linux/spinlock.h> #include <linux/interrupt.h> +#include <linux/delay.h> #include <linux/sched.h> #include <linux/in.h> #include <linux/kfifo.h> #include <linux/netdevice.h> #include <linux/completion.h> +#include <linux/kthread.h> +#include <linux/cpu.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> @@ -202,10 +205,13 @@ struct io_bdt { /** * bnx2i_cmd - iscsi command structure * + * @hdr: iSCSI header + * @conn: iscsi_conn pointer * @scsi_cmd: SCSI-ML task pointer corresponding to this iscsi cmd * @sg: SG list * @io_tbl: buffer descriptor (BD) table * @bd_tbl_dma: buffer descriptor (BD) table's dma address + * @req: bnx2i specific command request struct */ struct bnx2i_cmd { struct iscsi_hdr hdr; @@ -229,6 +235,7 @@ struct bnx2i_cmd { * @gen_pdu: login/nopout/logout pdu resources * @violation_notified: bit mask used to track iscsi error/warning messages * already printed out + * @work_cnt: keeps track of the number of outstanding work * * iSCSI connection structure */ @@ -252,6 +259,8 @@ struct bnx2i_conn { */ struct generic_pdu_resc gen_pdu; u64 violation_notified; + + atomic_t work_cnt; }; @@ -661,7 +670,6 @@ enum { * @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() * after HBA reset is completed by bnx2i/cnic/bnx2 @@ -687,7 +695,7 @@ struct bnx2i_endpoint { u32 hba_age; u32 state; unsigned long timestamp; - int num_active_cmds; + atomic_t num_active_cmds; u32 ec_shift; struct qp_info qp; @@ -700,6 +708,19 @@ struct bnx2i_endpoint { }; +struct bnx2i_work { + struct list_head list; + struct iscsi_session *session; + struct bnx2i_conn *bnx2i_conn; + struct cqe cqe; +}; + +struct bnx2i_percpu_s { + struct task_struct *iothread; + struct list_head work_list; + spinlock_t p_work_lock; +}; + /* Global variables */ extern unsigned int error_mask1, error_mask2; @@ -783,7 +804,7 @@ extern struct bnx2i_endpoint *bnx2i_find_ep_in_destroy_list( struct bnx2i_hba *hba, u32 iscsi_cid); extern int bnx2i_map_ep_dbell_regs(struct bnx2i_endpoint *ep); -extern void bnx2i_arm_cq_event_coalescing(struct bnx2i_endpoint *ep, u8 action); +extern int bnx2i_arm_cq_event_coalescing(struct bnx2i_endpoint *ep, u8 action); extern int bnx2i_hw_ep_disconnect(struct bnx2i_endpoint *bnx2i_ep); @@ -793,4 +814,8 @@ extern void bnx2i_print_active_cmd_queue(struct bnx2i_conn *conn); extern void bnx2i_print_xmit_pdu_queue(struct bnx2i_conn *conn); extern void bnx2i_print_recv_state(struct bnx2i_conn *conn); +extern int bnx2i_percpu_io_thread(void *arg); +extern int bnx2i_process_scsi_cmd_resp(struct iscsi_session *session, + struct bnx2i_conn *bnx2i_conn, + struct cqe *cqe); #endif |