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authorAndrew Vasquez <andrew.vasquez@qlogic.com>2005-08-27 06:08:10 +0400
committerJames Bottomley <jejb@mulgrave.(none)>2005-09-05 04:53:04 +0400
commitad3e0edaceb9771be7ffbd7aa24fb444a7ed85bf (patch)
tree0815f12f6e026ea220c03605f1b7e122b265c143 /drivers/scsi/qla2xxx
parent7524f9b9e72cd36f0a70defcd424eba81c180f42 (diff)
downloadlinux-ad3e0edaceb9771be7ffbd7aa24fb444a7ed85bf.tar.xz
[SCSI] qla2xxx: Export class-of-service (COS) information.
Export COS information for the fc_host and fc_remote_port objects added by the driver. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c4
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c7
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c14
4 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 659a5d63467d..d05280eecc60 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -304,10 +304,13 @@ struct fc_function_template qla2xxx_transport_functions = {
.show_host_node_name = 1,
.show_host_port_name = 1,
+ .show_host_supported_classes = 1,
+
.get_host_port_id = qla2x00_get_host_port_id,
.show_host_port_id = 1,
.dd_fcrport_size = sizeof(struct fc_port *),
+ .show_rport_supported_classes = 1,
.get_starget_node_name = qla2x00_get_starget_node_name,
.show_starget_node_name = 1,
@@ -329,4 +332,5 @@ qla2x00_init_host_attr(scsi_qla_host_t *ha)
be64_to_cpu(*(uint64_t *)ha->init_cb->node_name);
fc_host_port_name(ha->host) =
be64_to_cpu(*(uint64_t *)ha->init_cb->port_name);
+ fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
}
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 1c6d366f4fad..38848c38ad8d 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1673,6 +1673,7 @@ typedef struct fc_port {
uint8_t cur_path; /* current path id */
struct fc_rport *rport;
+ u32 supported_classes;
} fc_port_t;
/*
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index a6d2559217cd..09b23f70fd66 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1697,6 +1697,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
atomic_set(&fcport->state, FCS_UNCONFIGURED);
fcport->flags = FCF_RLC_SUPPORT;
+ fcport->supported_classes = FC_COS_UNSPECIFIED;
return (fcport);
}
@@ -2075,6 +2076,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
return;
}
rport->dd_data = fcport;
+ rport->supported_classes = fcport->supported_classes;
rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
if (fcport->port_type == FCT_INITIATOR)
@@ -2794,6 +2796,11 @@ qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
}
}
+ if (mb[10] & BIT_0)
+ fcport->supported_classes |= FC_COS_CLASS2;
+ if (mb[10] & BIT_1)
+ fcport->supported_classes |= FC_COS_CLASS3;
+
rval = QLA_SUCCESS;
break;
} else if (mb[0] == MBS_LOOP_ID_USED) {
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 409ea0ac4032..774309a77c05 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -19,6 +19,7 @@
#include "qla_def.h"
#include <linux/delay.h>
+#include <scsi/scsi_transport_fc.h>
static void
qla2x00_mbx_sem_timeout(unsigned long data)
@@ -1326,6 +1327,10 @@ qla2x00_get_port_database(scsi_qla_host_t *ha, fc_port_t *fcport, uint8_t opt)
fcport->port_type = FCT_INITIATOR;
else
fcport->port_type = FCT_TARGET;
+
+ /* Passback COS information. */
+ fcport->supported_classes = (pd->options & BIT_4) ?
+ FC_COS_CLASS2: FC_COS_CLASS3;
}
gpd_error_out:
@@ -1661,6 +1666,13 @@ qla24xx_login_fabric(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
mb[1] |= BIT_1;
} else
mb[1] = BIT_0;
+
+ /* Passback COS information. */
+ mb[10] = 0;
+ if (lg->io_parameter[7] || lg->io_parameter[8])
+ mb[10] |= BIT_0; /* Class 2. */
+ if (lg->io_parameter[9] || lg->io_parameter[10])
+ mb[10] |= BIT_1; /* Class 3. */
}
dma_pool_free(ha->s_dma_pool, lg, lg_dma);
@@ -1723,6 +1735,8 @@ qla2x00_login_fabric(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
mb[2] = mcp->mb[2];
mb[6] = mcp->mb[6];
mb[7] = mcp->mb[7];
+ /* COS retrieved from Get-Port-Database mailbox command. */
+ mb[10] = 0;
}
if (rval != QLA_SUCCESS) {