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Commit 246de42c authored by Seokmann Ju's avatar Seokmann Ju Committed by James Bottomley
Browse files

[SCSI] qla2xxx: Always aquire the parent's hardware_lock. 



While issuing a marker, manipulating the request/response queues
and modifying the outstanding command array.

Signed-off-by: default avatarSeokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 436a7b11

drivers/scsi/qla2xxx/qla_init.c

+1 −1
Original line number Diff line number Diff line
@@ -4052,7 +4052,7 @@ qla24xx_configure_vhba(scsi_qla_host_t *ha) 
	rval = qla2x00_fw_ready(ha->parent);

	if (rval == QLA_SUCCESS) {

		clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);

		qla2x00_marker(ha->parent, 0, 0, MK_SYNC_ALL);

		qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);

	}



	ha->flags.management_server_logged_in = 0;

drivers/scsi/qla2xxx/qla_iocb.c

+13 −10
Original line number Diff line number Diff line
@@ -269,7 +269,7 @@ qla2x00_start_scsi(srb_t *sp) 
{

	int		ret, nseg;

	unsigned long   flags;

	scsi_qla_host_t	*ha;

	scsi_qla_host_t	*ha, *pha;

	struct scsi_cmnd *cmd;

	uint32_t	*clr_ptr;

	uint32_t        index;
@@ -283,6 +283,7 @@ qla2x00_start_scsi(srb_t *sp) 
	/* Setup device pointers. */

	ret = 0;

	ha = sp->ha;

	pha = to_qla_parent(ha);

	reg = &ha->iobase->isp;

	cmd = sp->cmd;

	/* So we know we haven't pci_map'ed anything yet */
@@ -297,7 +298,7 @@ qla2x00_start_scsi(srb_t *sp) 
	}



	/* Acquire ring specific lock */

	spin_lock_irqsave(&ha->hardware_lock, flags);

	spin_lock_irqsave(&pha->hardware_lock, flags);



	/* Check for room in outstanding command list. */

	handle = ha->current_outstanding_cmd;
@@ -386,14 +387,14 @@ qla2x00_start_scsi(srb_t *sp) 
	    ha->response_ring_ptr->signature != RESPONSE_PROCESSED)

		qla2x00_process_response_queue(ha);



	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	spin_unlock_irqrestore(&pha->hardware_lock, flags);

	return (QLA_SUCCESS);



queuing_error:

	if (tot_dsds)

		scsi_dma_unmap(cmd);



	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	spin_unlock_irqrestore(&pha->hardware_lock, flags);



	return (QLA_FUNCTION_FAILED);

}
@@ -454,10 +455,11 @@ qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun, 
{

	int ret;

	unsigned long flags = 0;

	scsi_qla_host_t *pha = to_qla_parent(ha);



	spin_lock_irqsave(&ha->hardware_lock, flags);

	spin_lock_irqsave(&pha->hardware_lock, flags);

	ret = __qla2x00_marker(ha, loop_id, lun, type);

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	spin_unlock_irqrestore(&pha->hardware_lock, flags);



	return (ret);

}
@@ -672,7 +674,7 @@ qla24xx_start_scsi(srb_t *sp) 
{

	int		ret, nseg;

	unsigned long   flags;

	scsi_qla_host_t	*ha;

	scsi_qla_host_t	*ha, *pha;

	struct scsi_cmnd *cmd;

	uint32_t	*clr_ptr;

	uint32_t        index;
@@ -686,6 +688,7 @@ qla24xx_start_scsi(srb_t *sp) 
	/* Setup device pointers. */

	ret = 0;

	ha = sp->ha;

	pha = to_qla_parent(ha);

	reg = &ha->iobase->isp24;

	cmd = sp->cmd;

	/* So we know we haven't pci_map'ed anything yet */
@@ -700,7 +703,7 @@ qla24xx_start_scsi(srb_t *sp) 
	}



	/* Acquire ring specific lock */

	spin_lock_irqsave(&ha->hardware_lock, flags);

	spin_lock_irqsave(&pha->hardware_lock, flags);



	/* Check for room in outstanding command list. */

	handle = ha->current_outstanding_cmd;
@@ -795,14 +798,14 @@ qla24xx_start_scsi(srb_t *sp) 
	    ha->response_ring_ptr->signature != RESPONSE_PROCESSED)

		qla24xx_process_response_queue(ha);



	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	spin_unlock_irqrestore(&pha->hardware_lock, flags);

	return QLA_SUCCESS;



queuing_error:

	if (tot_dsds)

		scsi_dma_unmap(cmd);



	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	spin_unlock_irqrestore(&pha->hardware_lock, flags);



	return QLA_FUNCTION_FAILED;

}

drivers/scsi/qla2xxx/qla_mbx.c

+6 −4
Original line number Diff line number Diff line
@@ -749,17 +749,18 @@ qla2x00_abort_command(scsi_qla_host_t *ha, srb_t *sp) 
	uint32_t	handle;

	mbx_cmd_t	mc;

	mbx_cmd_t	*mcp = &mc;

	scsi_qla_host_t *pha = to_qla_parent(ha);



	DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", ha->host_no));



	fcport = sp->fcport;



	spin_lock_irqsave(&ha->hardware_lock, flags);

	spin_lock_irqsave(&pha->hardware_lock, flags);

	for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {

		if (ha->outstanding_cmds[handle] == sp)

			break;

	}

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	spin_unlock_irqrestore(&pha->hardware_lock, flags);



	if (handle == MAX_OUTSTANDING_COMMANDS) {

		/* command not found */
@@ -2161,17 +2162,18 @@ qla24xx_abort_command(scsi_qla_host_t *ha, srb_t *sp) 
	struct abort_entry_24xx *abt;

	dma_addr_t	abt_dma;

	uint32_t	handle;

	scsi_qla_host_t *pha = to_qla_parent(ha);



	DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));



	fcport = sp->fcport;



	spin_lock_irqsave(&ha->hardware_lock, flags);

	spin_lock_irqsave(&pha->hardware_lock, flags);

	for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {

		if (ha->outstanding_cmds[handle] == sp)

			break;

	}

	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	spin_unlock_irqrestore(&pha->hardware_lock, flags);

	if (handle == MAX_OUTSTANDING_COMMANDS) {

		/* Command not found. */

		return QLA_FUNCTION_FAILED;