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47#ifndef __VMW_PVRDMA_ABI_H__
48#define __VMW_PVRDMA_ABI_H__
49
50#include "standard-headers/linux/types.h"
51
52#define PVRDMA_UVERBS_ABI_VERSION 3
53#define PVRDMA_UAR_HANDLE_MASK 0x00FFFFFF
54#define PVRDMA_UAR_QP_OFFSET 0
55#define PVRDMA_UAR_QP_SEND (1 << 30)
56#define PVRDMA_UAR_QP_RECV (1 << 31)
57#define PVRDMA_UAR_CQ_OFFSET 4
58#define PVRDMA_UAR_CQ_ARM_SOL (1 << 29)
59#define PVRDMA_UAR_CQ_ARM (1 << 30)
60#define PVRDMA_UAR_CQ_POLL (1 << 31)
61#define PVRDMA_UAR_SRQ_OFFSET 8
62#define PVRDMA_UAR_SRQ_RECV (1 << 30)
63
64enum pvrdma_wr_opcode {
65 PVRDMA_WR_RDMA_WRITE,
66 PVRDMA_WR_RDMA_WRITE_WITH_IMM,
67 PVRDMA_WR_SEND,
68 PVRDMA_WR_SEND_WITH_IMM,
69 PVRDMA_WR_RDMA_READ,
70 PVRDMA_WR_ATOMIC_CMP_AND_SWP,
71 PVRDMA_WR_ATOMIC_FETCH_AND_ADD,
72 PVRDMA_WR_LSO,
73 PVRDMA_WR_SEND_WITH_INV,
74 PVRDMA_WR_RDMA_READ_WITH_INV,
75 PVRDMA_WR_LOCAL_INV,
76 PVRDMA_WR_FAST_REG_MR,
77 PVRDMA_WR_MASKED_ATOMIC_CMP_AND_SWP,
78 PVRDMA_WR_MASKED_ATOMIC_FETCH_AND_ADD,
79 PVRDMA_WR_BIND_MW,
80 PVRDMA_WR_REG_SIG_MR,
81 PVRDMA_WR_ERROR,
82};
83
84enum pvrdma_wc_status {
85 PVRDMA_WC_SUCCESS,
86 PVRDMA_WC_LOC_LEN_ERR,
87 PVRDMA_WC_LOC_QP_OP_ERR,
88 PVRDMA_WC_LOC_EEC_OP_ERR,
89 PVRDMA_WC_LOC_PROT_ERR,
90 PVRDMA_WC_WR_FLUSH_ERR,
91 PVRDMA_WC_MW_BIND_ERR,
92 PVRDMA_WC_BAD_RESP_ERR,
93 PVRDMA_WC_LOC_ACCESS_ERR,
94 PVRDMA_WC_REM_INV_REQ_ERR,
95 PVRDMA_WC_REM_ACCESS_ERR,
96 PVRDMA_WC_REM_OP_ERR,
97 PVRDMA_WC_RETRY_EXC_ERR,
98 PVRDMA_WC_RNR_RETRY_EXC_ERR,
99 PVRDMA_WC_LOC_RDD_VIOL_ERR,
100 PVRDMA_WC_REM_INV_RD_REQ_ERR,
101 PVRDMA_WC_REM_ABORT_ERR,
102 PVRDMA_WC_INV_EECN_ERR,
103 PVRDMA_WC_INV_EEC_STATE_ERR,
104 PVRDMA_WC_FATAL_ERR,
105 PVRDMA_WC_RESP_TIMEOUT_ERR,
106 PVRDMA_WC_GENERAL_ERR,
107};
108
109enum pvrdma_wc_opcode {
110 PVRDMA_WC_SEND,
111 PVRDMA_WC_RDMA_WRITE,
112 PVRDMA_WC_RDMA_READ,
113 PVRDMA_WC_COMP_SWAP,
114 PVRDMA_WC_FETCH_ADD,
115 PVRDMA_WC_BIND_MW,
116 PVRDMA_WC_LSO,
117 PVRDMA_WC_LOCAL_INV,
118 PVRDMA_WC_FAST_REG_MR,
119 PVRDMA_WC_MASKED_COMP_SWAP,
120 PVRDMA_WC_MASKED_FETCH_ADD,
121 PVRDMA_WC_RECV = 1 << 7,
122 PVRDMA_WC_RECV_RDMA_WITH_IMM,
123};
124
125enum pvrdma_wc_flags {
126 PVRDMA_WC_GRH = 1 << 0,
127 PVRDMA_WC_WITH_IMM = 1 << 1,
128 PVRDMA_WC_WITH_INVALIDATE = 1 << 2,
129 PVRDMA_WC_IP_CSUM_OK = 1 << 3,
130 PVRDMA_WC_WITH_SMAC = 1 << 4,
131 PVRDMA_WC_WITH_VLAN = 1 << 5,
132 PVRDMA_WC_WITH_NETWORK_HDR_TYPE = 1 << 6,
133 PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_NETWORK_HDR_TYPE,
134};
135
136struct pvrdma_alloc_ucontext_resp {
137 uint32_t qp_tab_size;
138 uint32_t reserved;
139};
140
141struct pvrdma_alloc_pd_resp {
142 uint32_t pdn;
143 uint32_t reserved;
144};
145
146struct pvrdma_create_cq {
147 uint64_t __attribute__((aligned(8))) buf_addr;
148 uint32_t buf_size;
149 uint32_t reserved;
150};
151
152struct pvrdma_create_cq_resp {
153 uint32_t cqn;
154 uint32_t reserved;
155};
156
157struct pvrdma_resize_cq {
158 uint64_t __attribute__((aligned(8))) buf_addr;
159 uint32_t buf_size;
160 uint32_t reserved;
161};
162
163struct pvrdma_create_srq {
164 uint64_t __attribute__((aligned(8))) buf_addr;
165 uint32_t buf_size;
166 uint32_t reserved;
167};
168
169struct pvrdma_create_srq_resp {
170 uint32_t srqn;
171 uint32_t reserved;
172};
173
174struct pvrdma_create_qp {
175 uint64_t __attribute__((aligned(8))) rbuf_addr;
176 uint64_t __attribute__((aligned(8))) sbuf_addr;
177 uint32_t rbuf_size;
178 uint32_t sbuf_size;
179 uint64_t __attribute__((aligned(8))) qp_addr;
180};
181
182
183struct pvrdma_ex_cmp_swap {
184 uint64_t __attribute__((aligned(8))) swap_val;
185 uint64_t __attribute__((aligned(8))) compare_val;
186 uint64_t __attribute__((aligned(8))) swap_mask;
187 uint64_t __attribute__((aligned(8))) compare_mask;
188};
189
190
191struct pvrdma_ex_fetch_add {
192 uint64_t __attribute__((aligned(8))) add_val;
193 uint64_t __attribute__((aligned(8))) field_boundary;
194};
195
196
197struct pvrdma_av {
198 uint32_t port_pd;
199 uint32_t sl_tclass_flowlabel;
200 uint8_t dgid[16];
201 uint8_t src_path_bits;
202 uint8_t gid_index;
203 uint8_t stat_rate;
204 uint8_t hop_limit;
205 uint8_t dmac[6];
206 uint8_t reserved[6];
207};
208
209
210struct pvrdma_sge {
211 uint64_t __attribute__((aligned(8))) addr;
212 uint32_t length;
213 uint32_t lkey;
214};
215
216
217struct pvrdma_rq_wqe_hdr {
218 uint64_t __attribute__((aligned(8))) wr_id;
219 uint32_t num_sge;
220 uint32_t total_len;
221};
222
223
224
225struct pvrdma_sq_wqe_hdr {
226 uint64_t __attribute__((aligned(8))) wr_id;
227 uint32_t num_sge;
228 uint32_t total_len;
229 uint32_t opcode;
230 uint32_t send_flags;
231 union {
232 uint32_t imm_data;
233 uint32_t invalidate_rkey;
234 } ex;
235 uint32_t reserved;
236 union {
237 struct {
238 uint64_t __attribute__((aligned(8))) remote_addr;
239 uint32_t rkey;
240 uint8_t reserved[4];
241 } rdma;
242 struct {
243 uint64_t __attribute__((aligned(8))) remote_addr;
244 uint64_t __attribute__((aligned(8))) compare_add;
245 uint64_t __attribute__((aligned(8))) swap;
246 uint32_t rkey;
247 uint32_t reserved;
248 } atomic;
249 struct {
250 uint64_t __attribute__((aligned(8))) remote_addr;
251 uint32_t log_arg_sz;
252 uint32_t rkey;
253 union {
254 struct pvrdma_ex_cmp_swap cmp_swap;
255 struct pvrdma_ex_fetch_add fetch_add;
256 } wr_data;
257 } masked_atomics;
258 struct {
259 uint64_t __attribute__((aligned(8))) iova_start;
260 uint64_t __attribute__((aligned(8))) pl_pdir_dma;
261 uint32_t page_shift;
262 uint32_t page_list_len;
263 uint32_t length;
264 uint32_t access_flags;
265 uint32_t rkey;
266 uint32_t reserved;
267 } fast_reg;
268 struct {
269 uint32_t remote_qpn;
270 uint32_t remote_qkey;
271 struct pvrdma_av av;
272 } ud;
273 } wr;
274};
275
276
277
278struct pvrdma_cqe {
279 uint64_t __attribute__((aligned(8))) wr_id;
280 uint64_t __attribute__((aligned(8))) qp;
281 uint32_t opcode;
282 uint32_t status;
283 uint32_t byte_len;
284 uint32_t imm_data;
285 uint32_t src_qp;
286 uint32_t wc_flags;
287 uint32_t vendor_err;
288 uint16_t pkey_index;
289 uint16_t slid;
290 uint8_t sl;
291 uint8_t dlid_path_bits;
292 uint8_t port_num;
293 uint8_t smac[6];
294 uint8_t network_hdr_type;
295 uint8_t reserved2[6];
296};
297
298#endif
299