Re: [PATCH v1 for-rc] RDMA/vmw_pvrdma: Return the correct opcode when creating WR

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On Mon, Jan 07, 2019 at 11:23:05PM +0000, Adit Ranadive wrote:
> From: Adit Ranadive <aditr@xxxxxxxxxx>
> 
> Since the IB_WR_REG_MR opcode value changed, let's set the PVRDMA
> device opcodes explicitly.
> 
> Reported-by: Ruishuang Wang <ruishuangw@xxxxxxxxxx>
> Fixes: 9a59739bd01f ("IB/rxe: Revise the ib_wr_opcode enum")
> Cc: stable@xxxxxxxxxxxxxxx
> Reviewed-by: Bryan Tan <bryantan@xxxxxxxxxx>
> Reviewed-by: Ruishuang Wang <ruishuangw@xxxxxxxxxx>
> Reviewed-by: Vishnu Dasa <vdasa@xxxxxxxxxx>
> Signed-off-by: Adit Ranadive <aditr@xxxxxxxxxx>
>  drivers/infiniband/hw/vmw_pvrdma/pvrdma.h | 43 +++++++++++++++++++++++++++++++
>  1 file changed, 43 insertions(+)
> 
> diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h
> index 42b8685c997e..a85d7ba96d55 100644
> +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h
> @@ -427,6 +427,49 @@ static inline enum ib_qp_state pvrdma_qp_state_to_ib(enum pvrdma_qp_state state)
>  
>  static inline enum pvrdma_wr_opcode ib_wr_opcode_to_pvrdma(enum ib_wr_opcode op)
>  {
> +	switch (op) {
> +	case IB_WR_RDMA_WRITE:
> +		return PVRDMA_WR_RDMA_WRITE;
> +	case IB_WR_RDMA_WRITE_WITH_IMM:
> +		return PVRDMA_WR_RDMA_WRITE_WITH_IMM;
> +	case IB_WR_SEND:
> +		return PVRDMA_WR_SEND;
> +	case IB_WR_SEND_WITH_IMM:
> +		return PVRDMA_WR_SEND_WITH_IMM;
> +	case IB_WR_RDMA_READ:
> +		return PVRDMA_WR_RDMA_READ;
> +	case IB_WR_ATOMIC_CMP_AND_SWP:
> +		return PVRDMA_WR_ATOMIC_CMP_AND_SWP;
> +	case IB_WR_ATOMIC_FETCH_AND_ADD:
> +		return PVRDMA_WR_ATOMIC_FETCH_AND_ADD;
> +	case IB_WR_LSO:
> +		return PVRDMA_WR_LSO;
> +	case IB_WR_SEND_WITH_INV:
> +		return PVRDMA_WR_SEND_WITH_INV;
> +	case IB_WR_RDMA_READ_WITH_INV:
> +		return PVRDMA_WR_RDMA_READ_WITH_INV;
> +	case IB_WR_LOCAL_INV:
> +		return PVRDMA_WR_LOCAL_INV;
> +	case IB_WR_REG_MR:
> +		return PVRDMA_WR_FAST_REG_MR;
> +	case IB_WR_MASKED_ATOMIC_CMP_AND_SWP:
> +		return PVRDMA_WR_MASKED_ATOMIC_CMP_AND_SWP;
> +	case IB_WR_MASKED_ATOMIC_FETCH_AND_ADD:
> +		return PVRDMA_WR_MASKED_ATOMIC_FETCH_AND_ADD;
> +	case IB_WR_REG_SIG_MR:
> +		return PVRDMA_WR_REG_SIG_MR;
> +	case IB_WR_RESERVED1:
> +	case IB_WR_RESERVED2:
> +	case IB_WR_RESERVED3:
> +	case IB_WR_RESERVED4:
> +	case IB_WR_RESERVED5:
> +	case IB_WR_RESERVED6:
> +	case IB_WR_RESERVED7:
> +	case IB_WR_RESERVED8:
> +	case IB_WR_RESERVED9:
> +	case IB_WR_RESERVED10:
> +		return (enum pvrdma_wr_opcode)op;
> +	}
>  	return (enum pvrdma_wr_opcode)op;

I ment it should always translate, not cast like this - if no
translation is available then it should be a posting failure.

Jason




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