Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 300 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/irdma/verbs.h b/drivers/infiniband/hw/irdma/verbs.h
new file mode 100644
index 0000000000..20297a14c9
--- /dev/null
+++ b/drivers/infiniband/hw/irdma/verbs.h
@@ -0,0 +1,300 @@
+/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
+/* Copyright (c) 2015 - 2021 Intel Corporation */
+#ifndef IRDMA_VERBS_H
+#define IRDMA_VERBS_H
+
+#define IRDMA_MAX_SAVED_PHY_PGADDR	4
+#define IRDMA_FLUSH_DELAY_MS		20
+
+#define IRDMA_PKEY_TBL_SZ		1
+#define IRDMA_DEFAULT_PKEY		0xFFFF
+
+struct irdma_ucontext {
+	struct ib_ucontext ibucontext;
+	struct irdma_device *iwdev;
+	struct rdma_user_mmap_entry *db_mmap_entry;
+	struct list_head cq_reg_mem_list;
+	spinlock_t cq_reg_mem_list_lock; /* protect CQ memory list */
+	struct list_head qp_reg_mem_list;
+	spinlock_t qp_reg_mem_list_lock; /* protect QP memory list */
+	int abi_ver;
+	u8 legacy_mode : 1;
+	u8 use_raw_attrs : 1;
+};
+
+struct irdma_pd {
+	struct ib_pd ibpd;
+	struct irdma_sc_pd sc_pd;
+};
+
+union irdma_sockaddr {
+	struct sockaddr_in saddr_in;
+	struct sockaddr_in6 saddr_in6;
+};
+
+struct irdma_av {
+	u8 macaddr[16];
+	struct rdma_ah_attr attrs;
+	union irdma_sockaddr sgid_addr;
+	union irdma_sockaddr dgid_addr;
+	u8 net_type;
+};
+
+struct irdma_ah {
+	struct ib_ah ibah;
+	struct irdma_sc_ah sc_ah;
+	struct irdma_pd *pd;
+	struct irdma_av av;
+	u8 sgid_index;
+	union ib_gid dgid;
+	struct hlist_node list;
+	refcount_t refcnt;
+	struct irdma_ah *parent_ah; /* AH from cached list */
+};
+
+struct irdma_hmc_pble {
+	union {
+		u32 idx;
+		dma_addr_t addr;
+	};
+};
+
+struct irdma_cq_mr {
+	struct irdma_hmc_pble cq_pbl;
+	dma_addr_t shadow;
+	bool split;
+};
+
+struct irdma_qp_mr {
+	struct irdma_hmc_pble sq_pbl;
+	struct irdma_hmc_pble rq_pbl;
+	dma_addr_t shadow;
+	struct page *sq_page;
+};
+
+struct irdma_cq_buf {
+	struct irdma_dma_mem kmem_buf;
+	struct irdma_cq_uk cq_uk;
+	struct irdma_hw *hw;
+	struct list_head list;
+	struct work_struct work;
+};
+
+struct irdma_pbl {
+	struct list_head list;
+	union {
+		struct irdma_qp_mr qp_mr;
+		struct irdma_cq_mr cq_mr;
+	};
+
+	bool pbl_allocated:1;
+	bool on_list:1;
+	u64 user_base;
+	struct irdma_pble_alloc pble_alloc;
+	struct irdma_mr *iwmr;
+};
+
+struct irdma_mr {
+	union {
+		struct ib_mr ibmr;
+		struct ib_mw ibmw;
+	};
+	struct ib_umem *region;
+	u16 type;
+	u32 page_cnt;
+	u64 page_size;
+	u32 npages;
+	u32 stag;
+	u64 len;
+	u64 pgaddrmem[IRDMA_MAX_SAVED_PHY_PGADDR];
+	struct irdma_pbl iwpbl;
+};
+
+struct irdma_cq {
+	struct ib_cq ibcq;
+	struct irdma_sc_cq sc_cq;
+	u16 cq_head;
+	u16 cq_size;
+	u16 cq_num;
+	bool user_mode;
+	atomic_t armed;
+	enum irdma_cmpl_notify last_notify;
+	u32 polled_cmpls;
+	u32 cq_mem_size;
+	struct irdma_dma_mem kmem;
+	struct irdma_dma_mem kmem_shadow;
+	struct completion free_cq;
+	refcount_t refcnt;
+	spinlock_t lock; /* for poll cq */
+	struct irdma_pbl *iwpbl;
+	struct irdma_pbl *iwpbl_shadow;
+	struct list_head resize_list;
+	struct irdma_cq_poll_info cur_cqe;
+	struct list_head cmpl_generated;
+};
+
+struct irdma_cmpl_gen {
+	struct list_head list;
+	struct irdma_cq_poll_info cpi;
+};
+
+struct disconn_work {
+	struct work_struct work;
+	struct irdma_qp *iwqp;
+};
+
+struct iw_cm_id;
+
+struct irdma_qp_kmode {
+	struct irdma_dma_mem dma_mem;
+	struct irdma_sq_uk_wr_trk_info *sq_wrid_mem;
+	u64 *rq_wrid_mem;
+};
+
+struct irdma_qp {
+	struct ib_qp ibqp;
+	struct irdma_sc_qp sc_qp;
+	struct irdma_device *iwdev;
+	struct irdma_cq *iwscq;
+	struct irdma_cq *iwrcq;
+	struct irdma_pd *iwpd;
+	struct rdma_user_mmap_entry *push_wqe_mmap_entry;
+	struct rdma_user_mmap_entry *push_db_mmap_entry;
+	struct irdma_qp_host_ctx_info ctx_info;
+	union {
+		struct irdma_iwarp_offload_info iwarp_info;
+		struct irdma_roce_offload_info roce_info;
+	};
+
+	union {
+		struct irdma_tcp_offload_info tcp_info;
+		struct irdma_udp_offload_info udp_info;
+	};
+
+	struct irdma_ah roce_ah;
+	struct list_head teardown_entry;
+	refcount_t refcnt;
+	struct iw_cm_id *cm_id;
+	struct irdma_cm_node *cm_node;
+	struct delayed_work dwork_flush;
+	struct ib_mr *lsmm_mr;
+	atomic_t hw_mod_qp_pend;
+	enum ib_qp_state ibqp_state;
+	u32 qp_mem_size;
+	u32 last_aeq;
+	int max_send_wr;
+	int max_recv_wr;
+	atomic_t close_timer_started;
+	spinlock_t lock; /* serialize posting WRs to SQ/RQ */
+	struct irdma_qp_context *iwqp_context;
+	void *pbl_vbase;
+	dma_addr_t pbl_pbase;
+	struct page *page;
+	u8 active_conn : 1;
+	u8 user_mode : 1;
+	u8 hte_added : 1;
+	u8 flush_issued : 1;
+	u8 sig_all : 1;
+	u8 pau_mode : 1;
+	u8 suspend_pending : 1;
+	u8 rsvd : 1;
+	u8 iwarp_state;
+	u16 term_sq_flush_code;
+	u16 term_rq_flush_code;
+	u8 hw_iwarp_state;
+	u8 hw_tcp_state;
+	struct irdma_qp_kmode kqp;
+	struct irdma_dma_mem host_ctx;
+	struct timer_list terminate_timer;
+	struct irdma_pbl *iwpbl;
+	struct irdma_dma_mem q2_ctx_mem;
+	struct irdma_dma_mem ietf_mem;
+	struct completion free_qp;
+	wait_queue_head_t waitq;
+	wait_queue_head_t mod_qp_waitq;
+	u8 rts_ae_rcvd;
+};
+
+enum irdma_mmap_flag {
+	IRDMA_MMAP_IO_NC,
+	IRDMA_MMAP_IO_WC,
+};
+
+struct irdma_user_mmap_entry {
+	struct rdma_user_mmap_entry rdma_entry;
+	u64 bar_offset;
+	u8 mmap_flag;
+};
+
+static inline u16 irdma_fw_major_ver(struct irdma_sc_dev *dev)
+{
+	return (u16)FIELD_GET(IRDMA_FW_VER_MAJOR, dev->feature_info[IRDMA_FEATURE_FW_INFO]);
+}
+
+static inline u16 irdma_fw_minor_ver(struct irdma_sc_dev *dev)
+{
+	return (u16)FIELD_GET(IRDMA_FW_VER_MINOR, dev->feature_info[IRDMA_FEATURE_FW_INFO]);
+}
+
+static inline void set_ib_wc_op_sq(struct irdma_cq_poll_info *cq_poll_info,
+				   struct ib_wc *entry)
+{
+	switch (cq_poll_info->op_type) {
+	case IRDMA_OP_TYPE_RDMA_WRITE:
+	case IRDMA_OP_TYPE_RDMA_WRITE_SOL:
+		entry->opcode = IB_WC_RDMA_WRITE;
+		break;
+	case IRDMA_OP_TYPE_RDMA_READ_INV_STAG:
+	case IRDMA_OP_TYPE_RDMA_READ:
+		entry->opcode = IB_WC_RDMA_READ;
+		break;
+	case IRDMA_OP_TYPE_SEND_SOL:
+	case IRDMA_OP_TYPE_SEND_SOL_INV:
+	case IRDMA_OP_TYPE_SEND_INV:
+	case IRDMA_OP_TYPE_SEND:
+		entry->opcode = IB_WC_SEND;
+		break;
+	case IRDMA_OP_TYPE_FAST_REG_NSMR:
+		entry->opcode = IB_WC_REG_MR;
+		break;
+	case IRDMA_OP_TYPE_INV_STAG:
+		entry->opcode = IB_WC_LOCAL_INV;
+		break;
+	default:
+		entry->status = IB_WC_GENERAL_ERR;
+	}
+}
+
+static inline void set_ib_wc_op_rq(struct irdma_cq_poll_info *cq_poll_info,
+				   struct ib_wc *entry, bool send_imm_support)
+{
+	/**
+	 * iWARP does not support sendImm, so the presence of Imm data
+	 * must be WriteImm.
+	 */
+	if (!send_imm_support) {
+		entry->opcode = cq_poll_info->imm_valid ?
+					IB_WC_RECV_RDMA_WITH_IMM :
+					IB_WC_RECV;
+		return;
+	}
+
+	switch (cq_poll_info->op_type) {
+	case IB_OPCODE_RDMA_WRITE_ONLY_WITH_IMMEDIATE:
+	case IB_OPCODE_RDMA_WRITE_LAST_WITH_IMMEDIATE:
+		entry->opcode = IB_WC_RECV_RDMA_WITH_IMM;
+		break;
+	default:
+		entry->opcode = IB_WC_RECV;
+	}
+}
+
+void irdma_mcast_mac(u32 *ip_addr, u8 *mac, bool ipv4);
+int irdma_ib_register_device(struct irdma_device *iwdev);
+void irdma_ib_unregister_device(struct irdma_device *iwdev);
+void irdma_ib_dealloc_device(struct ib_device *ibdev);
+void irdma_ib_qp_event(struct irdma_qp *iwqp, enum irdma_qp_event_type event);
+void irdma_generate_flush_completions(struct irdma_qp *iwqp);
+void irdma_remove_cmpls_list(struct irdma_cq *iwcq);
+int irdma_generated_cmpls(struct irdma_cq *iwcq, struct irdma_cq_poll_info *cq_poll_info);
+#endif /* IRDMA_VERBS_H */