[PATCH v2] RDMA: Split kernel-only global device caps from uverbs device caps
Bart Van Assche
bvanassche at acm.org
Wed Apr 6 12:57:31 PDT 2022
On 4/6/22 12:27, Jason Gunthorpe wrote:
> +enum ib_kernel_cap_flags {
> + /*
> + * This device supports a per-device lkey or stag that can be
> + * used without performing a memory registration for the local
> + * memory. Note that ULPs should never check this flag, but
> + * instead of use the local_dma_lkey flag in the ib_pd structure,
> + * which will always contain a usable lkey.
> + */
> + IBK_LOCAL_DMA_LKEY = 1 << 0,
> + /* IB_QP_CREATE_INTEGRITY_EN is supported to implement T10-PI */
> + IBK_INTEGRITY_HANDOVER = 1 << 1,
> + /* IB_ACCESS_ON_DEMAND is supported during reg_user_mr() */
> + IBK_ON_DEMAND_PAGING = 1 << 2,
> + /* IB_MR_TYPE_SG_GAPS is supported */
> + IBK_SG_GAPS_REG = 1 << 3,
> + /* Driver supports RDMA_NLDEV_CMD_DELLINK */
> + IBK_ALLOW_USER_UNREG = 1 << 4,
> +
> + /* ipoib will use IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK */
> + IBK_BLOCK_MULTICAST_LOOPBACK = 1 << 5,
> + /* iopib will use IB_QP_CREATE_IPOIB_UD_LSO for its QPs */
> + IBK_UD_TSO = 1 << 6,
> + /* iopib will use the device ops:
> + * get_vf_config
> + * get_vf_guid
> + * get_vf_stats
> + * set_vf_guid
> + * set_vf_link_state
> + */
> + IBK_VIRTUAL_FUNCTION = 1 << 7,
> + /* ipoib will use IB_QP_CREATE_NETDEV_USE for its QPs */
> + IBK_RDMA_NETDEV_OPA = 1 << 8,
> +};
Has it been considered to use the kernel-doc syntax? This means moving
all comments above "enum ib_kernel_cap_flags {".
Thanks,
Bart.
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