1
0
Fork 0

Staging: hv: storvsc: Cleanup some comments

Use consistent format for comments and get rid of some unnecessary
comments.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
K. Y. Srinivasan 2012-01-12 12:37:54 -08:00 committed by Greg Kroah-Hartman
parent 1739441c29
commit 09f0355f06
1 changed files with 26 additions and 31 deletions

View File

@ -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_
@ -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) + \
@ -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
@ -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,
@ -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);
@ -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 =
@ -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;
@ -1407,7 +1410,6 @@ retry_request:
return ret;
}
/* Scsi driver */
static struct scsi_host_template scsi_driver = {
.module = THIS_MODULE,
.name = "storvsc_host_t",
@ -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)
{
@ -1542,8 +1539,6 @@ err_out0:
return ret;
}
/* The one and only one */
static struct hv_driver storvsc_drv = {
.name = KBUILD_MODNAME,
.id_table = id_table,