[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>
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 659a5d6..d05280e 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -304,10 +304,13 @@
.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 @@
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 1c6d366..38848c3 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -1673,6 +1673,7 @@
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 a6d2559..09b23f7 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1697,6 +1697,7 @@
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 @@
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 @@
}
}
+ 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 409ea0a..774309a 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 @@
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 @@
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 @@
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) {