Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 288932
b: refs/heads/master
c: 09f0355
h: refs/heads/master
v: v3
  • Loading branch information
K. Y. Srinivasan authored and Greg Kroah-Hartman committed Feb 9, 2012
1 parent 24d7deb commit eb71e60
Show file tree
Hide file tree
Showing 2 changed files with 27 additions and 32 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1739441c29e09706a1f82e6e0fecfd946b6f4328
refs/heads/master: 09f0355f0612520820ae4b2c342a26e048bef6e7
57 changes: 26 additions & 31 deletions trunk/drivers/staging/hv/storvsc_drv.c
Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,10 @@ static int storvsc_ringbuffer_size = STORVSC_RING_BUFFER_SIZE;
module_param(storvsc_ringbuffer_size, int, S_IRUGO);
MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)");

/* to alert the user that structure sizes may be mismatched even though the */
/* protocol versions match. */
/*
* To alert the user that structure sizes may be mismatched even though the
* protocol versions match.
*/


#define REVISION_STRING(REVISION_) #REVISION_
Expand All @@ -68,26 +70,36 @@ MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)");
} \
} while (0)

/* Major/minor macros. Minor version is in LSB, meaning that earlier flat */
/* version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1). */
/*
* Major/minor macros. Minor version is in LSB, meaning that earlier flat
* version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1).
*/

#define VMSTOR_PROTOCOL_MAJOR(VERSION_) (((VERSION_) >> 8) & 0xff)
#define VMSTOR_PROTOCOL_MINOR(VERSION_) (((VERSION_)) & 0xff)
#define VMSTOR_PROTOCOL_VERSION(MAJOR_, MINOR_) ((((MAJOR_) & 0xff) << 8) | \
(((MINOR_) & 0xff)))
#define VMSTOR_INVALID_PROTOCOL_VERSION (-1)

/* Version history: */
/* V1 Beta 0.1 */
/* V1 RC < 2008/1/31 1.0 */
/* V1 RC > 2008/1/31 2.0 */
/*
* Version history:
* V1 Beta: 0.1
* V1 RC < 2008/1/31: 1.0
* V1 RC > 2008/1/31: 2.0
* Win7: 4.2
*/

#define VMSTOR_PROTOCOL_VERSION_CURRENT VMSTOR_PROTOCOL_VERSION(4, 2)




/* This will get replaced with the max transfer length that is possible on */
/* the host adapter. */
/* The max transfer length will be published when we offer a vmbus channel. */
/*
* This will get replaced with the max transfer length that is possible on
* the host adapter.
* The max transfer length will be published when we offer a vmbus channel.
*/

#define MAX_TRANSFER_LENGTH 0x40000
#define DEFAULT_PACKET_SIZE (sizeof(struct vmdata_gpa_direct) + \
sizeof(struct vstor_packet) + \
Expand Down Expand Up @@ -211,18 +223,19 @@ struct vstor_packet {
};
} __packed;

/* Packet flags */
/*
* Packet Flags:
*
* This flag indicates that the server should send back a completion for this
* packet.
*/

#define REQUEST_COMPLETION_FLAG 0x1

/* This is the set of flags that the vsc can set in any packets it sends */
#define VSC_LEGAL_FLAGS (REQUEST_COMPLETION_FLAG)


/* Defines */

#define STORVSC_MAX_IO_REQUESTS 128

Expand Down Expand Up @@ -674,7 +687,6 @@ static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size)

memset(&props, 0, sizeof(struct vmstorage_channel_properties));

/* Open the channel */
ret = vmbus_open(device->channel,
ring_size,
ring_size,
Expand Down Expand Up @@ -1154,9 +1166,6 @@ static int storvsc_host_reset(struct hv_device *device)
}


/*
* storvsc_host_reset_handler - Reset the scsi HBA
*/
static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
{
struct hv_host_device *host_dev = shost_priv(scmnd->device->host);
Expand All @@ -1166,9 +1175,6 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
}


/*
* storvsc_command_completion - Command completion processing
*/
static void storvsc_command_completion(struct hv_storvsc_request *request)
{
struct storvsc_cmd_request *cmd_request =
Expand Down Expand Up @@ -1262,9 +1268,6 @@ static bool storvsc_check_scsi_cmd(struct scsi_cmnd *scmnd)
return allowed;
}

/*
* storvsc_queuecommand - Initiate command processing
*/
static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
{
int ret;
Expand Down Expand Up @@ -1407,7 +1410,6 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
return ret;
}

/* Scsi driver */
static struct scsi_host_template scsi_driver = {
.module = THIS_MODULE,
.name = "storvsc_host_t",
Expand Down Expand Up @@ -1448,11 +1450,6 @@ static const struct hv_vmbus_device_id id_table[] = {

MODULE_DEVICE_TABLE(vmbus, id_table);


/*
* storvsc_probe - Add a new device for this driver
*/

static int storvsc_probe(struct hv_device *device,
const struct hv_vmbus_device_id *dev_id)
{
Expand Down Expand Up @@ -1542,8 +1539,6 @@ static int storvsc_probe(struct hv_device *device,
return ret;
}

/* The one and only one */

static struct hv_driver storvsc_drv = {
.name = KBUILD_MODNAME,
.id_table = id_table,
Expand Down

0 comments on commit eb71e60

Please sign in to comment.