aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorGal Pressman <galpress@amazon.com>2019-05-05 13:59:23 -0400
committerJason Gunthorpe <jgg@mellanox.com>2019-05-06 14:18:17 -0400
commit853f56523565c7d3526799d3e2dc503128c336ec (patch)
tree95f672ab8020dca51d8c15ec7f76b9ab26e514e9
parent01edac3aa2b9002860f405f1af23536386d45db0 (diff)
RDMA/efa: Add the efa.h header file
Add EFA driver generic header file defining driver's device independent internal data structures and definitions. Signed-off-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat
-rw-r--r--drivers/infiniband/hw/efa/efa.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/efa/efa.h b/drivers/infiniband/hw/efa/efa.h
new file mode 100644
index 000000000000..9e3cc3239c13
--- /dev/null
+++ b/drivers/infiniband/hw/efa/efa.h
@@ -0,0 +1,163 @@
1/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
2/*
3 * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
4 */
5
6#ifndef _EFA_H_
7#define _EFA_H_
8
9#include <linux/bitops.h>
10#include <linux/idr.h>
11#include <linux/interrupt.h>
12#include <linux/pci.h>
13#include <linux/sched.h>
14
15#include <rdma/efa-abi.h>
16#include <rdma/ib_verbs.h>
17
18#include "efa_com_cmd.h"
19
20#define DRV_MODULE_NAME "efa"
21#define DEVICE_NAME "Elastic Fabric Adapter (EFA)"
22
23#define EFA_IRQNAME_SIZE 40
24
25/* 1 for AENQ + ADMIN */
26#define EFA_NUM_MSIX_VEC 1
27#define EFA_MGMNT_MSIX_VEC_IDX 0
28
29struct efa_irq {
30 irq_handler_t handler;
31 void *data;
32 int cpu;
33 u32 vector;
34 cpumask_t affinity_hint_mask;
35 char name[EFA_IRQNAME_SIZE];
36};
37
38struct efa_sw_stats {
39 atomic64_t alloc_pd_err;
40 atomic64_t create_qp_err;
41 atomic64_t create_cq_err;
42 atomic64_t reg_mr_err;
43 atomic64_t alloc_ucontext_err;
44 atomic64_t create_ah_err;
45};
46
47/* Don't use anything other than atomic64 */
48struct efa_stats {
49 struct efa_sw_stats sw_stats;
50 atomic64_t keep_alive_rcvd;
51};
52
53struct efa_dev {
54 struct ib_device ibdev;
55 struct efa_com_dev edev;
56 struct pci_dev *pdev;
57 struct efa_com_get_device_attr_result dev_attr;
58
59 u64 reg_bar_addr;
60 u64 reg_bar_len;
61 u64 mem_bar_addr;
62 u64 mem_bar_len;
63 u64 db_bar_addr;
64 u64 db_bar_len;
65 u8 addr[EFA_GID_SIZE];
66 u32 mtu;
67
68 int admin_msix_vector_idx;
69 struct efa_irq admin_irq;
70
71 struct efa_stats stats;
72};
73
74struct efa_ucontext {
75 struct ib_ucontext ibucontext;
76 struct xarray mmap_xa;
77 u32 mmap_xa_page;
78 u16 uarn;
79};
80
81struct efa_pd {
82 struct ib_pd ibpd;
83 u16 pdn;
84};
85
86struct efa_mr {
87 struct ib_mr ibmr;
88 struct ib_umem *umem;
89};
90
91struct efa_cq {
92 struct ib_cq ibcq;
93 struct efa_ucontext *ucontext;
94 dma_addr_t dma_addr;
95 void *cpu_addr;
96 size_t size;
97 u16 cq_idx;
98};
99
100struct efa_qp {
101 struct ib_qp ibqp;
102 dma_addr_t rq_dma_addr;
103 void *rq_cpu_addr;
104 size_t rq_size;
105 enum ib_qp_state state;
106 u32 qp_handle;
107 u32 max_send_wr;
108 u32 max_recv_wr;
109 u32 max_send_sge;
110 u32 max_recv_sge;
111 u32 max_inline_data;
112};
113
114struct efa_ah {
115 struct ib_ah ibah;
116 u16 ah;
117 /* dest_addr */
118 u8 id[EFA_GID_SIZE];
119};
120
121int efa_query_device(struct ib_device *ibdev,
122 struct ib_device_attr *props,
123 struct ib_udata *udata);
124int efa_query_port(struct ib_device *ibdev, u8 port,
125 struct ib_port_attr *props);
126int efa_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
127 int qp_attr_mask,
128 struct ib_qp_init_attr *qp_init_attr);
129int efa_query_gid(struct ib_device *ibdev, u8 port, int index,
130 union ib_gid *gid);
131int efa_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
132 u16 *pkey);
133int efa_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
134void efa_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
135int efa_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
136struct ib_qp *efa_create_qp(struct ib_pd *ibpd,
137 struct ib_qp_init_attr *init_attr,
138 struct ib_udata *udata);
139int efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
140struct ib_cq *efa_create_cq(struct ib_device *ibdev,
141 const struct ib_cq_init_attr *attr,
142 struct ib_udata *udata);
143struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
144 u64 virt_addr, int access_flags,
145 struct ib_udata *udata);
146int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
147int efa_get_port_immutable(struct ib_device *ibdev, u8 port_num,
148 struct ib_port_immutable *immutable);
149int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata);
150void efa_dealloc_ucontext(struct ib_ucontext *ibucontext);
151int efa_mmap(struct ib_ucontext *ibucontext,
152 struct vm_area_struct *vma);
153int efa_create_ah(struct ib_ah *ibah,
154 struct rdma_ah_attr *ah_attr,
155 u32 flags,
156 struct ib_udata *udata);
157void efa_destroy_ah(struct ib_ah *ibah, u32 flags);
158int efa_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
159 int qp_attr_mask, struct ib_udata *udata);
160enum rdma_link_layer efa_port_link_layer(struct ib_device *ibdev,
161 u8 port_num);
162
163#endif /* _EFA_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-30 03:38:16 -0500