Re: [PATCH] IBM VSCSI Client: sending client info to server

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Anton Blanchard wrote:

Hi,

The attached patch fixes the problem in IBM VSCSI Client where the client doesn't send the information which is expected by the server.

...

+	printk(KERN_INFO "rpa_vscsi: SPR_VERSION: %s\n", SRP_VERSION);

Just a small thing, should the printk say SRP_VERSION?

Anton

Anton, thank you for catching my typo.  Attached is an updated version.

Linda


diff -X ../dontdiff -purN linux-2.6.12-rc5-git10-orig/drivers/scsi/ibmvscsi/ibmvscsi.c madinfo/drivers/scsi/ibmvscsi/ibmvscsi.c
--- linux-2.6.12-rc5-git10-orig/drivers/scsi/ibmvscsi/ibmvscsi.c	2005-06-20 19:00:43.000000000 -0500
+++ madinfo/drivers/scsi/ibmvscsi/ibmvscsi.c	2005-06-24 16:36:16.000000000 -0500
@@ -87,7 +87,7 @@ static int max_channel = 3;
 static int init_timeout = 5;
 static int max_requests = 50;
 
-#define IBMVSCSI_VERSION "1.5.5"
+#define IBMVSCSI_VERSION "1.5.6"
 
 MODULE_DESCRIPTION("IBM Virtual SCSI");
 MODULE_AUTHOR("Dave Boutcher");
@@ -675,8 +675,6 @@ static void send_mad_adapter_info(struct
 	struct viosrp_adapter_info *req;
 	struct srp_event_struct *evt_struct;
 	
-	memset(&hostdata->madapter_info, 0x00, sizeof(hostdata->madapter_info));
-	
 	evt_struct = get_event_struct(&hostdata->pool);
 	if (!evt_struct) {
 		printk(KERN_ERR "ibmvscsi: couldn't allocate an event "
diff -X ../dontdiff -purN linux-2.6.12-rc5-git10-orig/drivers/scsi/ibmvscsi/rpa_vscsi.c madinfo/drivers/scsi/ibmvscsi/rpa_vscsi.c
--- linux-2.6.12-rc5-git10-orig/drivers/scsi/ibmvscsi/rpa_vscsi.c	2005-03-02 01:38:13.000000000 -0600
+++ madinfo/drivers/scsi/ibmvscsi/rpa_vscsi.c	2005-07-06 11:31:31.000000000 -0500
@@ -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: SRP_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_q
 	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
 	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,
diff -X ../dontdiff -purN linux-2.6.12-rc5-git10-orig/drivers/scsi/ibmvscsi/srp.h madinfo/drivers/scsi/ibmvscsi/srp.h
--- linux-2.6.12-rc5-git10-orig/drivers/scsi/ibmvscsi/srp.h	2005-03-02 01:38:33.000000000 -0600
+++ madinfo/drivers/scsi/ibmvscsi/srp.h	2005-06-24 16:36:16.000000000 -0500
@@ -28,6 +28,8 @@
 #ifndef SRP_H
 #define SRP_H
 
+#define SRP_VERSION "16.a"
+
 #define PACKED __attribute__((packed))
 
 enum srp_types {

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