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Message-Id: <1300902635-1347-15-git-send-email-kys@microsoft.com>
Date: Wed, 23 Mar 2011 10:50:33 -0700
From: "K. Y. Srinivasan" <kys@...rosoft.com>
To: gregkh@...e.de, linux-kernel@...r.kernel.org,
devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc: "K. Y. Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Hank Janssen <hjanssen@...rosoft.com>
Subject: [PATCH 15/16] Staging: hv: Move the definition of the function stor_vsc_on_host_reset()
stor_vsc_on_host_reset() function is only used in storvsc_drv.c.
Move this function from storvsc.c to storvsc_drv.c
Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
---
drivers/staging/hv/storvsc.c | 56 ------------------------------------
drivers/staging/hv/storvsc_drv.c | 59 ++++++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+), 56 deletions(-)
diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c
index c576e7b..6801e37 100644
--- a/drivers/staging/hv/storvsc.c
+++ b/drivers/staging/hv/storvsc.c
@@ -522,62 +522,6 @@ int stor_vsc_on_device_remove(struct hv_device *device)
return 0;
}
-int stor_vsc_on_host_reset(struct hv_device *device)
-{
- struct storvsc_device *stor_device;
- struct storvsc_request_extension *request;
- struct vstor_packet *vstor_packet;
- int ret;
-
- DPRINT_INFO(STORVSC, "resetting host adapter...");
-
- stor_device = get_stor_device(device);
- if (!stor_device) {
- DPRINT_ERR(STORVSC, "unable to get stor device..."
- "device being destroyed?");
- return -1;
- }
-
- request = &stor_device->reset_request;
- vstor_packet = &request->vstor_packet;
-
- init_waitqueue_head(&request->wait_event);
-
- vstor_packet->operation = VSTOR_OPERATION_RESET_BUS;
- vstor_packet->flags = REQUEST_COMPLETION_FLAG;
- vstor_packet->vm_srb.path_id = stor_device->path_id;
-
- request->wait_condition = 0;
- ret = vmbus_sendpacket(device->channel, vstor_packet,
- sizeof(struct vstor_packet),
- (unsigned long)&stor_device->reset_request,
- VM_PKT_DATA_INBAND,
- VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
- if (ret != 0) {
- DPRINT_ERR(STORVSC, "Unable to send reset packet %p ret %d",
- vstor_packet, ret);
- goto cleanup;
- }
-
- wait_event_timeout(request->wait_event, request->wait_condition,
- msecs_to_jiffies(1000));
- if (request->wait_condition == 0) {
- ret = -ETIMEDOUT;
- goto cleanup;
- }
-
- DPRINT_INFO(STORVSC, "host adapter reset completed");
-
- /*
- * At this point, all outstanding requests in the adapter
- * should have been flushed out and return to us
- */
-
-cleanup:
- put_stor_device(device);
- return ret;
-}
-
/*
* stor_vsc_on_io_request - Callback to initiate an I/O request
*/
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 2c51a07..e0a1195 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -36,6 +36,8 @@
#include "version_info.h"
#include "vmbus.h"
#include "storvsc_api.h"
+#include "vstorage.h"
+#include "channel.h"
static const char *g_driver_name = "storvsc";
@@ -230,6 +232,63 @@ static int storvsc_drv_init(void)
return ret;
}
+
+int stor_vsc_on_host_reset(struct hv_device *device)
+{
+ struct storvsc_device *stor_device;
+ struct storvsc_request_extension *request;
+ struct vstor_packet *vstor_packet;
+ int ret;
+
+ DPRINT_INFO(STORVSC, "resetting host adapter...");
+
+ stor_device = get_stor_device(device);
+ if (!stor_device) {
+ DPRINT_ERR(STORVSC, "unable to get stor device..."
+ "device being destroyed?");
+ return -1;
+ }
+
+ request = &stor_device->reset_request;
+ vstor_packet = &request->vstor_packet;
+
+ init_waitqueue_head(&request->wait_event);
+
+ vstor_packet->operation = VSTOR_OPERATION_RESET_BUS;
+ vstor_packet->flags = REQUEST_COMPLETION_FLAG;
+ vstor_packet->vm_srb.path_id = stor_device->path_id;
+
+ request->wait_condition = 0;
+ ret = vmbus_sendpacket(device->channel, vstor_packet,
+ sizeof(struct vstor_packet),
+ (unsigned long)&stor_device->reset_request,
+ VM_PKT_DATA_INBAND,
+ VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
+ if (ret != 0) {
+ DPRINT_ERR(STORVSC, "Unable to send reset packet %p ret %d",
+ vstor_packet, ret);
+ goto cleanup;
+ }
+
+ wait_event_timeout(request->wait_event, request->wait_condition,
+ msecs_to_jiffies(1000));
+ if (request->wait_condition == 0) {
+ ret = -ETIMEDOUT;
+ goto cleanup;
+ }
+
+ DPRINT_INFO(STORVSC, "host adapter reset completed");
+
+ /*
+ * At this point, all outstanding requests in the adapter
+ * should have been flushed out and return to us
+ */
+
+cleanup:
+ put_stor_device(device);
+ return ret;
+}
+
static int storvsc_drv_exit_cb(struct device *dev, void *data)
{
struct device **curr = (struct device **)data;
--
1.7.4.1
--
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