/* 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 __QEDR_H__ #define __QEDR_H__ #include #include #include #include #include #include #include "qedr_hsi.h" #define QEDR_MODULE_VERSION "8.10.10.0" #define QEDR_NODE_DESC "QLogic 579xx RoCE HCA" #define DP_NAME(dev) ((dev)->ibdev.name) #define DP_DEBUG(dev, module, fmt, ...) \ pr_debug("(%s) " module ": " fmt, \ DP_NAME(dev) ? DP_NAME(dev) : "", ## __VA_ARGS__) #define QEDR_MSG_INIT "INIT" #define QEDR_MSG_MISC "MISC" #define QEDR_MSG_CQ " CQ" #define QEDR_MSG_MR " MR" #define QEDR_CQ_MAGIC_NUMBER (0x11223344) struct qedr_dev; struct qedr_cnq { struct qedr_dev *dev; struct qed_chain pbl; struct qed_sb_info *sb; char name[32]; u64 n_comp; __le16 *hw_cons_ptr; u8 index; }; #define QEDR_MAX_SGID 128 struct qedr_device_attr { u32 vendor_id; u32 vendor_part_id; u32 hw_ver; u64 fw_ver; u64 node_guid; u64 sys_image_guid; u8 max_cnq; u8 max_sge; u16 max_inline; u32 max_sqe; u32 max_rqe; u8 max_qp_resp_rd_atomic_resc; u8 max_qp_req_rd_atomic_resc; u64 max_dev_resp_rd_atomic_resc; u32 max_cq; u32 max_qp; u32 max_mr; u64 max_mr_size; u32 max_cqe; u32 max_mw; u32 max_fmr; u32 max_mr_mw_fmr_pbl; u64 max_mr_mw_fmr_size; u32 max_pd; u32 max_ah; u8 max_pkey; u32 max_srq; u32 max_srq_wr; u8 max_srq_sge; u8 max_stats_queues; u32 dev_caps; u64 page_size_caps; u8 dev_ack_delay; u32 reserved_lkey; u32 bad_pkey_counter; struct qed_rdma_events events; }; struct qedr_dev { struct ib_device ibdev; struct qed_dev *cdev; struct pci_dev *pdev; struct net_device *ndev; enum ib_atomic_cap atomic_cap; void *rdma_ctx; struct qedr_device_attr attr; const struct qed_rdma_ops *ops; struct qed_int_info int_info; struct qed_sb_info *sb_array; struct qedr_cnq *cnq_array; int num_cnq; int sb_start; void __iomem *db_addr; u64 db_phys_addr; u32 db_size; u16 dpi; union ib_gid *sgid_tbl; /* Lock for sgid table */ spinlock_t sgid_lock; u64 guid; u32 dp_module; u8 dp_level; u8 num_hwfns; }; #define QEDR_MAX_SQ_PBL (0x8000) #define QEDR_MAX_SQ_PBL_ENTRIES (0x10000 / sizeof(void *)) #define QEDR_SQE_ELEMENT_SIZE (sizeof(struct rdma_sq_sge)) #define QEDR_MAX_SQE_ELEMENTS_PER_SQE (ROCE_REQ_MAX_SINGLE_SQ_WQE_SIZE / \ QEDR_SQE_ELEMENT_SIZE) #define QEDR_MAX_SQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \ QEDR_SQE_ELEMENT_SIZE) #define QEDR_MAX_SQE ((QEDR_MAX_SQ_PBL_ENTRIES) *\ (RDMA_RING_PAGE_SIZE) / \ (QEDR_SQE_ELEMENT_SIZE) /\ (QEDR_MAX_SQE_ELEMENTS_PER_SQE)) /* RQ */ #define QEDR_MAX_RQ_PBL (0x2000) #define QEDR_MAX_RQ_PBL_ENTRIES (0x10000 / sizeof(void *)) #define QEDR_RQE_ELEMENT_SIZE (sizeof(struct rdma_rq_sge)) #define QEDR_MAX_RQE_ELEMENTS_PER_RQE (RDMA_MAX_SGE_PER_RQ_WQE) #define QEDR_MAX_RQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \ QEDR_RQE_ELEMENT_SIZE) #define QEDR_MAX_RQE ((QEDR_MAX_RQ_PBL_ENTRIES) *\ (RDMA_RING_PAGE_SIZE) / \ (QEDR_RQE_ELEMENT_SIZE) /\ (QEDR_MAX_RQE_ELEMENTS_PER_RQE)) #define QEDR_CQE_SIZE (sizeof(union rdma_cqe)) #define QEDR_MAX_CQE_PBL_SIZE (512 * 1024) #define QEDR_MAX_CQE_PBL_ENTRIES (((QEDR_MAX_CQE_PBL_SIZE) / \ sizeof(u64)) - 1) #define QEDR_MAX_CQES ((u32)((QEDR_MAX_CQE_PBL_ENTRIES) * \ (QED_CHAIN_PAGE_SIZE) / QEDR_CQE_SIZE)) #define QEDR_ROCE_MAX_CNQ_SIZE (0x4000) #define QEDR_MAX_PORT (1) #define QEDR_UVERBS(CMD_NAME) (1ull << IB_USER_VERBS_CMD_##CMD_NAME) #define QEDR_ROCE_PKEY_MAX 1 #define QEDR_ROCE_PKEY_TABLE_LEN 1 #define QEDR_ROCE_PKEY_DEFAULT 0xffff struct qedr_pbl { struct list_head list_entry; void *va; dma_addr_t pa; }; struct qedr_ucontext { struct ib_ucontext ibucontext; struct qedr_dev *dev; struct qedr_pd *pd; u64 dpi_addr; u64 dpi_phys_addr; u32 dpi_size; u16 dpi; struct list_head mm_head; /* Lock to protect mm list */ struct mutex mm_list_lock; }; union db_prod64 { struct rdma_pwm_val32_data data; u64 raw; }; enum qedr_cq_type { QEDR_CQ_TYPE_GSI, QEDR_CQ_TYPE_KERNEL, QEDR_CQ_TYPE_USER, }; struct qedr_pbl_info { u32 num_pbls; u32 num_pbes; u32 pbl_size; u32 pbe_size; bool two_layered; }; struct qedr_userq { struct ib_umem *umem; struct qedr_pbl_info pbl_info; struct qedr_pbl *pbl_tbl; u64 buf_addr; size_t buf_len; }; struct qedr_cq { struct ib_cq ibcq; enum qedr_cq_type cq_type; u32 sig; u16 icid; /* Lock to protect multiplem CQ's */ spinlock_t cq_lock; u8 arm_flags; struct qed_chain pbl; void __iomem *db_addr; union db_prod64 db; u8 pbl_toggle; union rdma_cqe *latest_cqe; union rdma_cqe *toggle_cqe; u32 cq_cons; struct qedr_userq q; }; struct qedr_pd { struct ib_pd ibpd; u32 pd_id; struct qedr_ucontext *uctx; }; struct qedr_mm { struct { u64 phy_addr; unsigned long len; } key; struct list_head entry; }; static inline struct qedr_ucontext *get_qedr_ucontext(struct ib_ucontext *ibucontext) { return container_of(ibucontext, struct qedr_ucontext, ibucontext); } static inline struct qedr_dev *get_qedr_dev(struct ib_device *ibdev) { return container_of(ibdev, struct qedr_dev, ibdev); } static inline struct qedr_pd *get_qedr_pd(struct ib_pd *ibpd) { return container_of(ibpd, struct qedr_pd, ibpd); } static inline struct qedr_cq *get_qedr_cq(struct ib_cq *ibcq) { return container_of(ibcq, struct qedr_cq, ibcq); } #endif