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