summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h5
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h3
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c48
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c26
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c16
6 files changed, 87 insertions, 13 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 023ee77fb027..e0c5bb54b258 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2135,6 +2135,7 @@ struct qla_msix_entry {
/* Work events. */
enum qla_work_type {
QLA_EVT_AEN,
+ QLA_EVT_IDC_ACK,
};
@@ -2149,6 +2150,10 @@ struct qla_work_evt {
enum fc_host_event_code code;
u32 data;
} aen;
+ struct {
+#define QLA_IDC_ACK_REGS 7
+ uint16_t mb[QLA_IDC_ACK_REGS];
+ } idc_ack;
} u;
};
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 7abb045a0410..ffff42554087 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -1402,6 +1402,8 @@ struct access_chip_rsp_84xx {
#define MBA_IDC_NOTIFY 0x8101
#define MBA_IDC_TIME_EXT 0x8102
+#define MBC_IDC_ACK 0x101
+
struct nvram_81xx {
/* NVRAM header. */
uint8_t id[4];
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.
*/
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index b5554ea4693b..f250e5b7897c 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -266,6 +266,40 @@ qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
}
}
+static void
+qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
+{
+ static char *event[] =
+ { "Complete", "Request Notification", "Time Extension" };
+ int rval;
+ struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
+ uint16_t __iomem *wptr;
+ uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
+
+ /* Seed data -- mailbox1 -> mailbox7. */
+ wptr = (uint16_t __iomem *)&reg24->mailbox1;
+ for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
+ mb[cnt] = RD_REG_WORD(wptr);
+
+ DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
+ "%04x %04x %04x %04x %04x %04x %04x.\n", vha->host_no,
+ event[aen & 0xff],
+ mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6]));
+
+ /* Acknowledgement needed? [Notify && non-zero timeout]. */
+ timeout = (descr >> 8) & 0xf;
+ if (aen != MBA_IDC_NOTIFY || !timeout)
+ return;
+
+ DEBUG2(printk("scsi(%ld): Inter-Driver Commucation %s -- "
+ "ACK timeout=%d.\n", vha->host_no, event[aen & 0xff], timeout));
+
+ rval = qla2x00_post_idc_ack_work(vha, mb);
+ if (rval != QLA_SUCCESS)
+ qla_printk(KERN_WARNING, vha->hw,
+ "IDC failed to post ACK.\n");
+}
+
/**
* qla2x00_async_event() - Process aynchronous events.
* @ha: SCSI driver HA context
@@ -714,21 +748,9 @@ skip_rio:
"%04x %04x %04x\n", vha->host_no, mb[1], mb[2], mb[3]));
break;
case MBA_IDC_COMPLETE:
- DEBUG2(printk("scsi(%ld): Inter-Driver Commucation "
- "Complete -- %04x %04x %04x\n", vha->host_no, mb[1], mb[2],
- mb[3]));
- break;
case MBA_IDC_NOTIFY:
- DEBUG2(printk("scsi(%ld): Inter-Driver Commucation "
- "Request Notification -- %04x %04x %04x\n", vha->host_no,
- mb[1], mb[2], mb[3]));
- /**** Mailbox registers 4 - 7 valid!!! */
- break;
case MBA_IDC_TIME_EXT:
- DEBUG2(printk("scsi(%ld): Inter-Driver Commucation "
- "Time Extension -- %04x %04x %04x\n", vha->host_no, mb[1],
- mb[2], mb[3]));
- /**** Mailbox registers 4 - 7 valid!!! */
+ qla81xx_idc_event(vha, mb[0], mb[1]);
break;
}
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 723cd37294c3..4c7504cb3990 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3191,3 +3191,29 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
return rval;
}
+int
+qla81xx_idc_ack(scsi_qla_host_t *vha, uint16_t *mb)
+{
+ int rval;
+ mbx_cmd_t mc;
+ mbx_cmd_t *mcp = &mc;
+
+ DEBUG11(printk("%s(%ld): entered.\n", __func__, vha->host_no));
+
+ mcp->mb[0] = MBC_IDC_ACK;
+ memcpy(&mcp->mb[1], mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
+ mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
+ mcp->in_mb = MBX_0;
+ mcp->tov = MBX_TOV_SECONDS;
+ mcp->flags = 0;
+ rval = qla2x00_mailbox_command(vha, mcp);
+
+ if (rval != QLA_SUCCESS) {
+ DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__,
+ vha->host_no, rval, mcp->mb[0]));
+ } else {
+ DEBUG11(printk("%s(%ld): done.\n", __func__, vha->host_no));
+ }
+
+ return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index c11f872d3e10..2f5f72531e23 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2522,6 +2522,19 @@ qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
return qla2x00_post_work(vha, e, 1);
}
+int
+qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
+{
+ struct qla_work_evt *e;
+
+ e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK, 1);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
+ return qla2x00_post_work(vha, e, 1);
+}
+
static void
qla2x00_do_work(struct scsi_qla_host *vha)
{
@@ -2539,6 +2552,9 @@ qla2x00_do_work(struct scsi_qla_host *vha)
fc_host_post_event(vha->host, fc_get_event_number(),
e->u.aen.code, e->u.aen.data);
break;
+ case QLA_EVT_IDC_ACK:
+ qla81xx_idc_ack(vha, e->u.idc_ack.mb);
+ break;
}
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);
OpenPOWER on IntegriCloud