qedr: Add support for QP verbs (cecbcddf) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/infiniband/hw/qedr/main.c

+14 −1

Original line number	Diff line number	Diff line
		@@ -48,6 +48,8 @@ MODULE_AUTHOR("QLogic Corporation");
		MODULE_LICENSE("Dual BSD/GPL");
		MODULE_VERSION(QEDR_MODULE_VERSION);

		#define QEDR_WQ_MULTIPLIER_DFT (3)

		void qedr_ib_dispatch_event(struct qedr_dev *dev, u8 port_num,
		enum ib_event_type type)
		{
		@@ -94,7 +96,11 @@ static int qedr_register_device(struct qedr_dev *dev)
		QEDR_UVERBS(CREATE_CQ) \|
		QEDR_UVERBS(RESIZE_CQ) \|
		QEDR_UVERBS(DESTROY_CQ) \|
		QEDR_UVERBS(REQ_NOTIFY_CQ);
		QEDR_UVERBS(REQ_NOTIFY_CQ) \|
		QEDR_UVERBS(CREATE_QP) \|
		QEDR_UVERBS(MODIFY_QP) \|
		QEDR_UVERBS(QUERY_QP) \|
		QEDR_UVERBS(DESTROY_QP);

		dev->ibdev.phys_port_cnt = 1;
		dev->ibdev.num_comp_vectors = dev->num_cnq;
		@@ -120,6 +126,11 @@ static int qedr_register_device(struct qedr_dev *dev)
		dev->ibdev.resize_cq = qedr_resize_cq;
		dev->ibdev.req_notify_cq = qedr_arm_cq;

		dev->ibdev.create_qp = qedr_create_qp;
		dev->ibdev.modify_qp = qedr_modify_qp;
		dev->ibdev.query_qp = qedr_query_qp;
		dev->ibdev.destroy_qp = qedr_destroy_qp;

		dev->ibdev.query_pkey = qedr_query_pkey;

		dev->ibdev.dma_device = &dev->pdev->dev;
		@@ -630,6 +641,8 @@ static struct qedr_dev qedr_add(struct qed_dev cdev, struct pci_dev *pdev,
		goto init_err;
		}

		dev->wq_multiplier = QEDR_WQ_MULTIPLIER_DFT;

		qedr_pci_set_atomic(dev, pdev);

		rc = qedr_alloc_resources(dev);

drivers/infiniband/hw/qedr/qedr.h

+125 −0

Original line number	Diff line number	Diff line
		@@ -52,6 +52,9 @@
		#define QEDR_MSG_MISC "MISC"
		#define QEDR_MSG_CQ " CQ"
		#define QEDR_MSG_MR " MR"
		#define QEDR_MSG_RQ " RQ"
		#define QEDR_MSG_SQ " SQ"
		#define QEDR_MSG_QP " QP"

		#define QEDR_CQ_MAGIC_NUMBER (0x11223344)

		@@ -143,6 +146,8 @@ struct qedr_dev {
		u32 dp_module;
		u8 dp_level;
		u8 num_hwfns;
		uint wq_multiplier;

		};

		#define QEDR_MAX_SQ_PBL (0x8000)
		@@ -272,6 +277,122 @@ struct qedr_mm {
		struct list_head entry;
		};

		union db_prod32 {
		struct rdma_pwm_val16_data data;
		u32 raw;
		};

		struct qedr_qp_hwq_info {
		/* WQE Elements */
		struct qed_chain pbl;
		u64 p_phys_addr_tbl;
		u32 max_sges;

		/* WQE */
		u16 prod;
		u16 cons;
		u16 wqe_cons;
		u16 max_wr;

		/* DB */
		void __iomem *db;
		union db_prod32 db_data;
		};

		#define QEDR_INC_SW_IDX(p_info, index) \
		do { \
		p_info->index = (p_info->index + 1) & \
		qed_chain_get_capacity(p_info->pbl) \
		} while (0)

		enum qedr_qp_err_bitmap {
		QEDR_QP_ERR_SQ_FULL = 1,
		QEDR_QP_ERR_RQ_FULL = 2,
		QEDR_QP_ERR_BAD_SR = 4,
		QEDR_QP_ERR_BAD_RR = 8,
		QEDR_QP_ERR_SQ_PBL_FULL = 16,
		QEDR_QP_ERR_RQ_PBL_FULL = 32,
		};

		struct qedr_qp {
		struct ib_qp ibqp; /* must be first */
		struct qedr_dev *dev;

		struct qedr_qp_hwq_info sq;
		struct qedr_qp_hwq_info rq;

		u32 max_inline_data;

		/* Lock for QP's */
		spinlock_t q_lock;
		struct qedr_cq *sq_cq;
		struct qedr_cq *rq_cq;
		struct qedr_srq *srq;
		enum qed_roce_qp_state state;
		u32 id;
		struct qedr_pd *pd;
		enum ib_qp_type qp_type;
		struct qed_rdma_qp *qed_qp;
		u32 qp_id;
		u16 icid;
		u16 mtu;
		int sgid_idx;
		u32 rq_psn;
		u32 sq_psn;
		u32 qkey;
		u32 dest_qp_num;

		/* Relevant to qps created from kernel space only (ULPs) */
		u8 prev_wqe_size;
		u16 wqe_cons;
		u32 err_bitmap;
		bool signaled;

		/* SQ shadow */
		struct {
		u64 wr_id;
		enum ib_wc_opcode opcode;
		u32 bytes_len;
		u8 wqe_size;
		bool signaled;
		dma_addr_t icrc_mapping;
		u32 *icrc;
		struct qedr_mr *mr;
		} *wqe_wr_id;

		/* RQ shadow */
		struct {
		u64 wr_id;
		struct ib_sge sg_list[RDMA_MAX_SGE_PER_RQ_WQE];
		u8 wqe_size;

		u16 vlan_id;
		int rc;
		} *rqe_wr_id;

		/* Relevant to qps created from user space only (applications) */
		struct qedr_userq usq;
		struct qedr_userq urq;
		};

		static inline int qedr_get_dmac(struct qedr_dev *dev,
		struct ib_ah_attr ah_attr, u8 mac_addr)
		{
		union ib_gid zero_sgid = { { 0 } };
		struct in6_addr in6;

		if (!memcmp(&ah_attr->grh.dgid, &zero_sgid, sizeof(union ib_gid))) {
		DP_ERR(dev, "Local port GID not supported\n");
		eth_zero_addr(mac_addr);
		return -EINVAL;
		}

		memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6));
		ether_addr_copy(mac_addr, ah_attr->dmac);

		return 0;
		}

		static inline
		struct qedr_ucontext get_qedr_ucontext(struct ib_ucontext ibucontext)
		{
		@@ -293,4 +414,8 @@ static inline struct qedr_cq get_qedr_cq(struct ib_cq ibcq)
		return container_of(ibcq, struct qedr_cq, ibcq);
		}

		static inline struct qedr_qp get_qedr_qp(struct ib_qp ibqp)
		{
		return container_of(ibqp, struct qedr_qp, ibqp);
		}
		#endif

drivers/infiniband/hw/qedr/qedr_cm.h

0 → 100644

+40 −0

Original line number	Diff line number	Diff line
		/* QLogic qedr NIC Driver
		* Copyright (c) 2015-2016 QLogic Corporation
		*
		* This software is available to you under a choice of one of two
		* licenses. You may choose to be licensed under the terms of the GNU
		* General Public License (GPL) Version 2, available from the file
		* COPYING in the main directory of this source tree, or the
		* OpenIB.org BSD license below:
		*
		* Redistribution and use in source and binary forms, with or
		* without modification, are permitted provided that the following
		* conditions are met:
		*
		* - Redistributions of source code must retain the above
		* copyright notice, this list of conditions and the following
		* disclaimer.
		*
		* - Redistributions in binary form must reproduce the above
		* copyright notice, this list of conditions and the following
		* disclaimer in the documentation and /or other materials
		* provided with the distribution.
		*
		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
		* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
		* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
		* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
		* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
		* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
		* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
		* SOFTWARE.
		*/
		#ifndef LINUX_QEDR_CM_H_
		#define LINUX_QEDR_CM_H_

		static inline u32 qedr_get_ipv4_from_gid(u8 *gid)
		{
		return (u32 )(void *)&gid[12];
		}

		#endif

drivers/infiniband/hw/qedr/qedr_hsi_rdma.h

+11 −0

Original line number	Diff line number	Diff line
		@@ -158,6 +158,17 @@ struct rdma_srq_sge {
		__le32 l_key;
		};

		/* Rdma doorbell data for SQ and RQ */
		struct rdma_pwm_val16_data {
		__le16 icid;
		__le16 value;
		};

		union rdma_pwm_val16_data_union {
		struct rdma_pwm_val16_data as_struct;
		__le32 as_dword;
		};

		/* Rdma doorbell data for CQ */
		struct rdma_pwm_val32_data {
		__le16 icid;

drivers/infiniband/hw/qedr/verbs.c

+1089 −0

File changed.

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