Commit f885fb73 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Christoph Hellwig

drivers: scsi: storvsc: Set srb_flags in all cases

Correctly set SRB flags for all valid I/O directions. Some IHV drivers on the
Windows host require this. The host validates the command and SRB flags
prior to passing the command down to native driver stack.
Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 56b26e69
...@@ -1601,26 +1601,24 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) ...@@ -1601,26 +1601,24 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
vm_srb = &cmd_request->vstor_packet.vm_srb; vm_srb = &cmd_request->vstor_packet.vm_srb;
vm_srb->win8_extension.time_out_value = 60; vm_srb->win8_extension.time_out_value = 60;
vm_srb->win8_extension.srb_flags |=
(SRB_FLAGS_QUEUE_ACTION_ENABLE |
SRB_FLAGS_DISABLE_SYNCH_TRANSFER);
/* Build the SRB */ /* Build the SRB */
switch (scmnd->sc_data_direction) { switch (scmnd->sc_data_direction) {
case DMA_TO_DEVICE: case DMA_TO_DEVICE:
vm_srb->data_in = WRITE_TYPE; vm_srb->data_in = WRITE_TYPE;
vm_srb->win8_extension.srb_flags |= SRB_FLAGS_DATA_OUT; vm_srb->win8_extension.srb_flags |= SRB_FLAGS_DATA_OUT;
vm_srb->win8_extension.srb_flags |=
(SRB_FLAGS_QUEUE_ACTION_ENABLE |
SRB_FLAGS_DISABLE_SYNCH_TRANSFER);
break; break;
case DMA_FROM_DEVICE: case DMA_FROM_DEVICE:
vm_srb->data_in = READ_TYPE; vm_srb->data_in = READ_TYPE;
vm_srb->win8_extension.srb_flags |= SRB_FLAGS_DATA_IN; vm_srb->win8_extension.srb_flags |= SRB_FLAGS_DATA_IN;
vm_srb->win8_extension.srb_flags |=
(SRB_FLAGS_QUEUE_ACTION_ENABLE |
SRB_FLAGS_DISABLE_SYNCH_TRANSFER);
break; break;
default: default:
vm_srb->data_in = UNKNOWN_TYPE; vm_srb->data_in = UNKNOWN_TYPE;
vm_srb->win8_extension.srb_flags = 0; vm_srb->win8_extension.srb_flags |= (SRB_FLAGS_DATA_IN |
SRB_FLAGS_DATA_OUT);
break; break;
} }
......
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