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Commit 3420d36c authored Oct 13, 2009 by Andrew Vasquez Committed by James Bottomley Dec 04, 2009

[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>

parent f8ceafde

Documentation/ABI/stable/sysfs-driver-qla2xxx

0 → 100644

+8 −0

Original line number	Diff line number	Diff line
		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

drivers/scsi/qla2xxx/qla_dbg.c

+23 −55

Original line number	Diff line number	Diff line
		@@ -377,6 +377,24 @@ qla25xx_copy_mq(struct qla_hw_data ha, void ptr, uint32_t **last_chain)
		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 @@ qla2300_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
		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 @@ qla2100_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
		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_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
		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(scsi_qla_host_t *vha, int hardware_locked)
		}

		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(scsi_qla_host_t *vha, int hardware_locked)
		}

		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)

drivers/scsi/qla2xxx/qla_def.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -2123,6 +2123,7 @@ enum qla_work_type {
		QLA_EVT_ASYNC_LOGIN_DONE,
		QLA_EVT_ASYNC_LOGOUT,
		QLA_EVT_ASYNC_LOGOUT_DONE,
		QLA_EVT_UEVENT,
		};


		@@ -2146,6 +2147,10 @@ struct qla_work_evt {
		#define QLA_LOGIO_LOGIN_RETRIED BIT_0
		u16 data[2];
		} logio;
		struct {
		u32 code;
		#define QLA_UEVENT_CODE_FW_DUMP 0
		} uevent;
		} u;
		};

drivers/scsi/qla2xxx/qla_gbl.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -92,6 +92,7 @@ extern int qla2x00_post_async_logout_work(struct scsi_qla_host , fc_port_t ,
		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 *);

drivers/scsi/qla2xxx/qla_os.c

+35 −0

Original line number	Diff line number	Diff line
		@@ -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(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
		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_do_work(struct scsi_qla_host *vha)
		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);