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Diffstat (limited to 'drivers/scsi/bnx2i/bnx2i.h')
-rw-r--r--drivers/scsi/bnx2i/bnx2i.h33
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