IB/srpt: Cache global L_Key (74333f12) · Commits · 戴 / test

drivers/infiniband/ulp/srpt/ib_srpt.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -766,7 +766,7 @@ static int srpt_post_recv(struct srpt_device *sdev,
		BUG_ON(!sdev);
		list.addr = ioctx->ioctx.dma;
		list.length = srp_max_req_size;
		list.lkey = sdev->pd->local_dma_lkey;
		list.lkey = sdev->lkey;

		ioctx->ioctx.cqe.done = srpt_recv_done;
		wr.wr_cqe = &ioctx->ioctx.cqe;
		@@ -2343,7 +2343,7 @@ static void srpt_queue_response(struct se_cmd *cmd)

		sge.addr = ioctx->ioctx.dma;
		sge.length = resp_len;
		sge.lkey = sdev->pd->local_dma_lkey;
		sge.lkey = sdev->lkey;

		ioctx->ioctx.cqe.done = srpt_send_done;
		send_wr.next = NULL;
		@@ -2491,6 +2491,8 @@ static void srpt_add_one(struct ib_device *device)
		if (IS_ERR(sdev->pd))
		goto free_dev;

		sdev->lkey = sdev->pd->local_dma_lkey;

		sdev->srq_size = min(srpt_srq_size, sdev->device->attrs.max_srq_wr);

		srq_attr.event_handler = srpt_srq_event;

+2 −1

Original line number	Diff line number	Diff line
		@@ -343,7 +343,7 @@ struct srpt_port {
		* struct srpt_device - Information associated by SRPT with a single HCA.
		* @device: Backpointer to the struct ib_device managed by the IB core.
		* @pd: IB protection domain.
		* @mr: L_Key (local key) with write access to all local memory.
		* @lkey: L_Key (local key) with write access to all local memory.
		* @srq: Per-HCA SRQ (shared receive queue).
		* @cm_id: Connection identifier.
		* @srq_size: SRQ size.
		@@ -358,6 +358,7 @@ struct srpt_port {
		struct srpt_device {
		struct ib_device *device;
		struct ib_pd *pd;
		u32 lkey;
		struct ib_srq *srq;
		struct ib_cm_id *cm_id;
		int srq_size;