Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[pandora-kernel.git] / drivers / scsi / bnx2i / bnx2i.h

diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h
index e7cb7ec..dc57007 100644 (file)
--- 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