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path: root/drivers/scsi/ibmvscsi/rpa_vscsi.c
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Diffstat (limited to 'drivers/scsi/ibmvscsi/rpa_vscsi.c')
-rw-r--r--drivers/scsi/ibmvscsi/rpa_vscsi.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 50cb909f314..035f615817d 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -33,6 +33,10 @@
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include "ibmvscsi.h"
+#include "srp.h"
+
+static char partition_name[97] = "UNKNOWN";
+static unsigned int partition_number = -1;
/* ------------------------------------------------------------
* Routines for managing the command/response queue
@@ -148,6 +152,48 @@ static void ibmvscsi_task(void *data)
}
}
+static void gather_partition_info(void)
+{
+ struct device_node *rootdn;
+
+ char *ppartition_name;
+ unsigned int *p_number_ptr;
+
+ /* Retrieve information about this partition */
+ rootdn = find_path_device("/");
+ if (!rootdn) {
+ return;
+ }
+
+ ppartition_name =
+ get_property(rootdn, "ibm,partition-name", NULL);
+ if (ppartition_name)
+ strncpy(partition_name, ppartition_name,
+ sizeof(partition_name));
+ p_number_ptr =
+ (unsigned int *)get_property(rootdn, "ibm,partition-no",
+ NULL);
+ if (p_number_ptr)
+ partition_number = *p_number_ptr;
+}
+
+static void set_adapter_info(struct ibmvscsi_host_data *hostdata)
+{
+ memset(&hostdata->madapter_info, 0x00,
+ sizeof(hostdata->madapter_info));
+
+ printk(KERN_INFO "rpa_vscsi: SPR_VERSION: %s\n", SRP_VERSION);
+ strcpy(hostdata->madapter_info.srp_version, SRP_VERSION);
+
+ strncpy(hostdata->madapter_info.partition_name, partition_name,
+ sizeof(hostdata->madapter_info.partition_name));
+
+ hostdata->madapter_info.partition_number = partition_number;
+
+ hostdata->madapter_info.mad_version = 1;
+ hostdata->madapter_info.os_type = 2;
+}
+
/**
* initialize_crq_queue: - Initializes and registers CRQ with hypervisor
* @queue: crq_queue to initialize and register
@@ -177,6 +223,9 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
if (dma_mapping_error(queue->msg_token))
goto map_failed;
+ gather_partition_info();
+ set_adapter_info(hostdata);
+
rc = plpar_hcall_norets(H_REG_CRQ,
vdev->unit_address,
queue->msg_token, PAGE_SIZE);
@@ -246,6 +295,8 @@ void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
memset(queue->msgs, 0x00, PAGE_SIZE);
queue->cur = 0;
+ set_adapter_info(hostdata);
+
/* And re-open it again */
rc = plpar_hcall_norets(H_REG_CRQ,
vdev->unit_address,