nvme: Correct NVMF enum values to match NVMe-oF rev 1.0

The enum values for QPTYPE, PRTYPE and CMS are off by 1 from the
values defined in figure 42 of the NVM Express over Fabrics 1.0:

    http://www.nvmexpress.org/wp-content/uploads/NVMe_over_Fabrics_1_0_Gold_20160605-1.pdf

Fix our enums to match the final spec.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index c43d435..9061780 100644 (file)
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -64,26 +64,26 @@ enum {
  * RDMA_QPTYPE field
  */
 enum {
-       NVMF_RDMA_QPTYPE_CONNECTED      = 0, /* Reliable Connected */
-       NVMF_RDMA_QPTYPE_DATAGRAM       = 1, /* Reliable Datagram */
+       NVMF_RDMA_QPTYPE_CONNECTED      = 1, /* Reliable Connected */
+       NVMF_RDMA_QPTYPE_DATAGRAM       = 2, /* Reliable Datagram */
 };
 
 /* RDMA QP Service Type codes for Discovery Log Page entry TSAS
  * RDMA_QPTYPE field
  */
 enum {
-       NVMF_RDMA_PRTYPE_NOT_SPECIFIED  = 0, /* No Provider Specified */
-       NVMF_RDMA_PRTYPE_IB             = 1, /* InfiniBand */
-       NVMF_RDMA_PRTYPE_ROCE           = 2, /* InfiniBand RoCE */
-       NVMF_RDMA_PRTYPE_ROCEV2         = 3, /* InfiniBand RoCEV2 */
-       NVMF_RDMA_PRTYPE_IWARP          = 4, /* IWARP */
+       NVMF_RDMA_PRTYPE_NOT_SPECIFIED  = 1, /* No Provider Specified */
+       NVMF_RDMA_PRTYPE_IB             = 2, /* InfiniBand */
+       NVMF_RDMA_PRTYPE_ROCE           = 3, /* InfiniBand RoCE */
+       NVMF_RDMA_PRTYPE_ROCEV2         = 4, /* InfiniBand RoCEV2 */
+       NVMF_RDMA_PRTYPE_IWARP          = 5, /* IWARP */
 };
 
 /* RDMA Connection Management Service Type codes for Discovery Log Page
  * entry TSAS RDMA_CMS field
  */
 enum {
-       NVMF_RDMA_CMS_RDMA_CM   = 0, /* Sockets based enpoint addressing */
+       NVMF_RDMA_CMS_RDMA_CM   = 1, /* Sockets based endpoint addressing */
 };
 
 #define NVMF_AQ_DEPTH          32