[SCSI] qla2xxx: Add firmware-dump kobject uevent notification.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/Documentation/ABI/stable/sysfs-driver-qla2xxx b/Documentation/ABI/stable/sysfs-driver-qla2xxx
new file mode 100644
index 0000000..9a59d84
--- /dev/null
+++ b/Documentation/ABI/stable/sysfs-driver-qla2xxx
@@ -0,0 +1,8 @@
+What: /sys/bus/pci/drivers/qla2xxx/.../devices/*
+Date: September 2009
+Contact: QLogic Linux Driver <linux-driver@qlogic.com>
+Description: qla2xxx-udev.sh currently looks for uevent CHANGE events to
+ signal a firmware-dump has been generated by the driver and is
+ ready for retrieval.
+Users: qla2xxx-udev.sh. Proposed changes should be mailed to
+ linux-driver@qlogic.com
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index cca8e4a..cb2eca4 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -377,6 +377,24 @@
return ptr + sizeof(struct qla2xxx_mq_chain);
}
+static void
+qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (rval != QLA_SUCCESS) {
+ qla_printk(KERN_WARNING, ha,
+ "Failed to dump firmware (%x)!!!\n", rval);
+ ha->fw_dumped = 0;
+ } else {
+ qla_printk(KERN_INFO, ha,
+ "Firmware dump saved to temp buffer (%ld/%p).\n",
+ vha->host_no, ha->fw_dump);
+ ha->fw_dumped = 1;
+ qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
+ }
+}
+
/**
* qla2300_fw_dump() - Dumps binary data from the 2300 firmware.
* @ha: HA context
@@ -530,17 +548,7 @@
if (rval == QLA_SUCCESS)
qla2xxx_copy_queues(ha, nxt);
- if (rval != QLA_SUCCESS) {
- qla_printk(KERN_WARNING, ha,
- "Failed to dump firmware (%x)!!!\n", rval);
- ha->fw_dumped = 0;
-
- } else {
- qla_printk(KERN_INFO, ha,
- "Firmware dump saved to temp buffer (%ld/%p).\n",
- base_vha->host_no, ha->fw_dump);
- ha->fw_dumped = 1;
- }
+ qla2xxx_dump_post_process(base_vha, rval);
qla2300_fw_dump_failed:
if (!hardware_locked)
@@ -737,17 +745,7 @@
if (rval == QLA_SUCCESS)
qla2xxx_copy_queues(ha, &fw->risc_ram[cnt]);
- if (rval != QLA_SUCCESS) {
- qla_printk(KERN_WARNING, ha,
- "Failed to dump firmware (%x)!!!\n", rval);
- ha->fw_dumped = 0;
-
- } else {
- qla_printk(KERN_INFO, ha,
- "Firmware dump saved to temp buffer (%ld/%p).\n",
- base_vha->host_no, ha->fw_dump);
- ha->fw_dumped = 1;
- }
+ qla2xxx_dump_post_process(base_vha, rval);
qla2100_fw_dump_failed:
if (!hardware_locked)
@@ -984,17 +982,7 @@
qla24xx_copy_eft(ha, nxt);
qla24xx_fw_dump_failed_0:
- if (rval != QLA_SUCCESS) {
- qla_printk(KERN_WARNING, ha,
- "Failed to dump firmware (%x)!!!\n", rval);
- ha->fw_dumped = 0;
-
- } else {
- qla_printk(KERN_INFO, ha,
- "Firmware dump saved to temp buffer (%ld/%p).\n",
- base_vha->host_no, ha->fw_dump);
- ha->fw_dumped = 1;
- }
+ qla2xxx_dump_post_process(base_vha, rval);
qla24xx_fw_dump_failed:
if (!hardware_locked)
@@ -1305,17 +1293,7 @@
}
qla25xx_fw_dump_failed_0:
- if (rval != QLA_SUCCESS) {
- qla_printk(KERN_WARNING, ha,
- "Failed to dump firmware (%x)!!!\n", rval);
- ha->fw_dumped = 0;
-
- } else {
- qla_printk(KERN_INFO, ha,
- "Firmware dump saved to temp buffer (%ld/%p).\n",
- base_vha->host_no, ha->fw_dump);
- ha->fw_dumped = 1;
- }
+ qla2xxx_dump_post_process(base_vha, rval);
qla25xx_fw_dump_failed:
if (!hardware_locked)
@@ -1628,17 +1606,7 @@
}
qla81xx_fw_dump_failed_0:
- if (rval != QLA_SUCCESS) {
- qla_printk(KERN_WARNING, ha,
- "Failed to dump firmware (%x)!!!\n", rval);
- ha->fw_dumped = 0;
-
- } else {
- qla_printk(KERN_INFO, ha,
- "Firmware dump saved to temp buffer (%ld/%p).\n",
- base_vha->host_no, ha->fw_dump);
- ha->fw_dumped = 1;
- }
+ qla2xxx_dump_post_process(base_vha, rval);
qla81xx_fw_dump_failed:
if (!hardware_locked)
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 2150618..d8ce310 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2123,6 +2123,7 @@
QLA_EVT_ASYNC_LOGIN_DONE,
QLA_EVT_ASYNC_LOGOUT,
QLA_EVT_ASYNC_LOGOUT_DONE,
+ QLA_EVT_UEVENT,
};
@@ -2146,6 +2147,10 @@
#define QLA_LOGIO_LOGIN_RETRIED BIT_0
u16 data[2];
} logio;
+ struct {
+ u32 code;
+#define QLA_UEVENT_CODE_FW_DUMP 0
+ } uevent;
} u;
};
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index f3d1d1a..14e0562 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -92,6 +92,7 @@
uint16_t *);
extern int qla2x00_post_async_logout_done_work(struct scsi_qla_host *,
fc_port_t *, uint16_t *);
+extern int qla2x00_post_uevent_work(struct scsi_qla_host *, u32);
extern int qla81xx_restart_mpi_firmware(scsi_qla_host_t *);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b79fca7..ecf2a40 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -11,6 +11,7 @@
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
+#include <linux/kobject.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
@@ -2653,6 +2654,37 @@
qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
+int
+qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
+{
+ struct qla_work_evt *e;
+
+ e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ e->u.uevent.code = code;
+ return qla2x00_post_work(vha, e);
+}
+
+static void
+qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
+{
+ char event_string[40];
+ char *envp[] = { event_string, NULL };
+
+ switch (code) {
+ case QLA_UEVENT_CODE_FW_DUMP:
+ snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
+ vha->host_no);
+ break;
+ default:
+ /* do nothing */
+ break;
+ }
+ kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
+}
+
void
qla2x00_do_work(struct scsi_qla_host *vha)
{
@@ -2690,6 +2722,9 @@
qla2x00_async_logout_done(vha, e->u.logio.fcport,
e->u.logio.data);
break;
+ case QLA_EVT_UEVENT:
+ qla2x00_uevent_emit(vha, e->u.uevent.code);
+ break;
}
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);
