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Commit bd2a1846 authored Apr 03, 2008 by Seokmann Ju Committed by James Bottomley Apr 07, 2008

[SCSI] qla2xxx: Use proper HA during asynchrounous event handling.



Changes are added to the driver so that it can behave properly
upon having asynchronous events, for example, addition of target
devices to the VPs.

Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

parent 463717ed

drivers/scsi/qla2xxx/qla_isr.c

+26 −6

Original line number	Diff line number	Diff line
		@@ -272,6 +272,8 @@ qla2x00_async_event(scsi_qla_host_t ha, uint16_t mb)
		uint32_t rscn_entry, host_pid;
		uint8_t rscn_queue_index;
		unsigned long flags;
		scsi_qla_host_t *vha;
		int i;

		/* Setup to process RIO completion. */
		handle_cnt = 0;
		@@ -542,6 +544,18 @@ qla2x00_async_event(scsi_qla_host_t ha, uint16_t mb)
		break;

		case MBA_PORT_UPDATE: /* Port database update */
		if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
		for_each_mapped_vp_idx(ha, i) {
		list_for_each_entry(vha, &ha->vp_list,
		vp_list) {
		if ((mb[3] & 0xff)
		== vha->vp_idx) {
		ha = vha;
		break;
		}
		}
		}
		}
		/*
		* If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
		* event etc. earlier indicating loop is down) then process
		@@ -576,12 +590,18 @@ qla2x00_async_event(scsi_qla_host_t ha, uint16_t mb)
		break;

		case MBA_RSCN_UPDATE: /* State Change Registration */
		/* Check if the Vport has issued a SCR */
		if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags))
		break;
		/* Only handle SCNs for our Vport index. */
		if (ha->flags.npiv_supported && ha->vp_idx != mb[3])
		if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
		for_each_mapped_vp_idx(ha, i) {
		list_for_each_entry(vha, &ha->vp_list,
		vp_list) {
		if ((mb[3] & 0xff)
		== vha->vp_idx) {
		ha = vha;
		break;
		}
		}
		}
		}

		DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
		ha->host_no));