On Thu, 2015-08-13 at 08:43 -0700, K. Y. Srinivasan wrote:
> From: Keith Mange <keith.mange@xxxxxxxxxxxxx>
>
> Currently we are making decisions based on vmbus protocol versions
> that have been negotiated; use storage potocol versions instead.
>
> Tested-by: Alex Ng <alexng@xxxxxxxxxxxxx>
> Signed-off-by: Keith Mange <keith.mange@xxxxxxxxxxxxx>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---
> drivers/scsi/storvsc_drv.c | 109 +++++++++++++++++++++++++++++++++++---------
> 1 files changed, 87 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
> index 5f9d133..f29871e 100644
> --- a/drivers/scsi/storvsc_drv.c
> +++ b/drivers/scsi/storvsc_drv.c
> @@ -56,14 +56,18 @@
> * V1 RC > 2008/1/31: 2.0
> * Win7: 4.2
> * Win8: 5.1
> + * Win8.1: 6.0
> + * Win10: 6.2
> */
>
> #define VMSTOR_PROTO_VERSION(MAJOR_, MINOR_) ((((MAJOR_) & 0xff) << 8) | \
> (((MINOR_) & 0xff)))
>
> +#define VMSTOR_PROTO_VERSION_WIN6 VMSTOR_PROTO_VERSION(2, 0)
> #define VMSTOR_PROTO_VERSION_WIN7 VMSTOR_PROTO_VERSION(4, 2)
> #define VMSTOR_PROTO_VERSION_WIN8 VMSTOR_PROTO_VERSION(5, 1)
> -
> +#define VMSTOR_PROTO_VERSION_WIN8_1 VMSTOR_PROTO_VERSION(6, 0)
> +#define VMSTOR_PROTO_VERSION_WIN10 VMSTOR_PROTO_VERSION(6, 2)
>
> /* Packet structure describing virtual storage requests. */
> enum vstor_packet_operation {
> @@ -205,6 +209,46 @@ struct vmscsi_request {
>
>
> /*
> + * The list of storage protocols in order of preference.
> + */
> +struct vmstor_protocol {
> + int protocol_version;
> + int sense_buffer_size;
> + int vmscsi_size_delta;
> +};
> +
> +#define VMSTOR_NUM_PROTOCOLS 5
> +
> +const struct vmstor_protocol vmstor_protocols[VMSTOR_NUM_PROTOCOLS] = {
Sparse doesn't like this not being static:
CHECK drivers/scsi/storvsc_drv.c
drivers/scsi/storvsc_drv.c:221:30: warning: symbol 'vmstor_protocols'
was not declared. Should it be static?
I fixed it up.
James
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