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authorAndrew Vasquez <andrew.vasquez@qlogic.com>2009-02-09 05:50:12 +0100
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-02-10 17:15:20 +0100
commit8a659571eccfde1df9bd057d67be51d1aaa0e2db (patch)
tree4d7c637f72ccb7de153c80300713c5f595ae3f44 /drivers/scsi/qla2xxx/qla_gbl.h
parent[SCSI] qla2xxx: Remove interrupt request bit check in the response processing... (diff)
downloadlinux-8a659571eccfde1df9bd057d67be51d1aaa0e2db.tar.xz
linux-8a659571eccfde1df9bd057d67be51d1aaa0e2db.zip
[SCSI] qla2xxx: Properly acknowledge IDC notification messages.
To ensure smooth operations amongst the FCoE and NIC side components of the ISP81xx chip, the FCoE driver (qla2xxx) must ensure the 10gb NIC driver (qlge) does not timeout waiting for IDC (Inter-Driver Communication) acknowledgments. The acknowledgment requirements are trivial -- a simple mirroring of incoming mailbox registers during the AEN to a process-context capable mailbox command. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_gbl.h')
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index bce5b0435188..6de283f8f111 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -72,6 +72,7 @@ extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
extern int qla2x00_post_aen_work(struct scsi_qla_host *, enum
fc_host_event_code, u32);
+extern int qla2x00_post_idc_ack_work(struct scsi_qla_host *, uint16_t *);
extern void qla2x00_abort_fcport_cmds(fc_port_t *);
extern struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *,
@@ -266,6 +267,8 @@ qla2x00_set_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t *);
extern int qla84xx_verify_chip(struct scsi_qla_host *, uint16_t *);
+extern int qla81xx_idc_ack(scsi_qla_host_t *, uint16_t *);
+
/*
* Global Function Prototypes in qla_isr.c source file.
*/