From: Jason Gunthorpe <jgg@ziepe.ca>
To: Michal Kalderon <michal.kalderon@marvell.com>
Cc: ariel.elior@marvell.com, dledford@redhat.com, linux-rdma@vger.kernel.org
Subject: Re: [PATCH rdma-next] RDMA/qedr: Add kernel capability flags for dpm enabled mode
Date: Wed, 20 Nov 2019 12:53:01 -0400 [thread overview]
Message-ID: <20191120165301.GI22515@ziepe.ca> (raw)
In-Reply-To: <20191120132009.14107-1-michal.kalderon@marvell.com>
On Wed, Nov 20, 2019 at 03:20:09PM +0200, Michal Kalderon wrote:
> diff --git a/include/uapi/rdma/qedr-abi.h b/include/uapi/rdma/qedr-abi.h
> index c022ee26089b..a0b83c9d4498 100644
> +++ b/include/uapi/rdma/qedr-abi.h
> @@ -48,6 +48,18 @@ struct qedr_alloc_ucontext_req {
> __u32 reserved;
> };
>
> +#define QEDR_LDPM_MAX_SIZE (8192)
> +#define QEDR_EDPM_TRANS_SIZE (64)
> +
> +enum qedr_rdma_dpm_type {
> + QEDR_DPM_TYPE_NONE = 0,
> + QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << 0,
> + QEDR_DPM_TYPE_ROCE_LEGACY = 1 << 1,
> + QEDR_DPM_TYPE_IWARP_LEGACY = 1 << 2,
> + QEDR_DPM_TYPE_RESERVED = 1 << 3,
> + QEDR_DPM_SIZES_SET = 1 << 4,
> +};
> +
> struct qedr_alloc_ucontext_resp {
> __aligned_u64 db_pa;
> __u32 db_size;
> @@ -59,10 +71,12 @@ struct qedr_alloc_ucontext_resp {
> __u32 sges_per_recv_wr;
> __u32 sges_per_srq_wr;
> __u32 max_cqes;
> - __u8 dpm_enabled;
> + __u8 dpm_flags;
Is this redefinition backwards compatible with old user space?
That should be described in the commit message
Jason
next prev parent reply other threads:[~2019-11-20 16:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-20 13:20 [PATCH rdma-next] RDMA/qedr: Add kernel capability flags for dpm enabled mode Michal Kalderon
2019-11-20 16:53 ` Jason Gunthorpe [this message]
2019-11-21 8:12 ` [EXT] " Michal Kalderon
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