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46#ifndef __PVRDMA_VERBS_H__
47#define __PVRDMA_VERBS_H__
48
49#include <linux/types.h>
50
51union pvrdma_gid {
52 u8 raw[16];
53 struct {
54 __be64 subnet_prefix;
55 __be64 interface_id;
56 } global;
57};
58
59enum pvrdma_link_layer {
60 PVRDMA_LINK_LAYER_UNSPECIFIED,
61 PVRDMA_LINK_LAYER_INFINIBAND,
62 PVRDMA_LINK_LAYER_ETHERNET,
63};
64
65enum pvrdma_mtu {
66 PVRDMA_MTU_256 = 1,
67 PVRDMA_MTU_512 = 2,
68 PVRDMA_MTU_1024 = 3,
69 PVRDMA_MTU_2048 = 4,
70 PVRDMA_MTU_4096 = 5,
71};
72
73static inline int pvrdma_mtu_enum_to_int(enum pvrdma_mtu mtu)
74{
75 switch (mtu) {
76 case PVRDMA_MTU_256: return 256;
77 case PVRDMA_MTU_512: return 512;
78 case PVRDMA_MTU_1024: return 1024;
79 case PVRDMA_MTU_2048: return 2048;
80 case PVRDMA_MTU_4096: return 4096;
81 default: return -1;
82 }
83}
84
85static inline enum pvrdma_mtu pvrdma_mtu_int_to_enum(int mtu)
86{
87 switch (mtu) {
88 case 256: return PVRDMA_MTU_256;
89 case 512: return PVRDMA_MTU_512;
90 case 1024: return PVRDMA_MTU_1024;
91 case 2048: return PVRDMA_MTU_2048;
92 case 4096:
93 default: return PVRDMA_MTU_4096;
94 }
95}
96
97enum pvrdma_port_state {
98 PVRDMA_PORT_NOP = 0,
99 PVRDMA_PORT_DOWN = 1,
100 PVRDMA_PORT_INIT = 2,
101 PVRDMA_PORT_ARMED = 3,
102 PVRDMA_PORT_ACTIVE = 4,
103 PVRDMA_PORT_ACTIVE_DEFER = 5,
104};
105
106enum pvrdma_port_cap_flags {
107 PVRDMA_PORT_SM = 1 << 1,
108 PVRDMA_PORT_NOTICE_SUP = 1 << 2,
109 PVRDMA_PORT_TRAP_SUP = 1 << 3,
110 PVRDMA_PORT_OPT_IPD_SUP = 1 << 4,
111 PVRDMA_PORT_AUTO_MIGR_SUP = 1 << 5,
112 PVRDMA_PORT_SL_MAP_SUP = 1 << 6,
113 PVRDMA_PORT_MKEY_NVRAM = 1 << 7,
114 PVRDMA_PORT_PKEY_NVRAM = 1 << 8,
115 PVRDMA_PORT_LED_INFO_SUP = 1 << 9,
116 PVRDMA_PORT_SM_DISABLED = 1 << 10,
117 PVRDMA_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
118 PVRDMA_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
119 PVRDMA_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,
120 PVRDMA_PORT_CM_SUP = 1 << 16,
121 PVRDMA_PORT_SNMP_TUNNEL_SUP = 1 << 17,
122 PVRDMA_PORT_REINIT_SUP = 1 << 18,
123 PVRDMA_PORT_DEVICE_MGMT_SUP = 1 << 19,
124 PVRDMA_PORT_VENDOR_CLASS_SUP = 1 << 20,
125 PVRDMA_PORT_DR_NOTICE_SUP = 1 << 21,
126 PVRDMA_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,
127 PVRDMA_PORT_BOOT_MGMT_SUP = 1 << 23,
128 PVRDMA_PORT_LINK_LATENCY_SUP = 1 << 24,
129 PVRDMA_PORT_CLIENT_REG_SUP = 1 << 25,
130 PVRDMA_PORT_IP_BASED_GIDS = 1 << 26,
131 PVRDMA_PORT_CAP_FLAGS_MAX = PVRDMA_PORT_IP_BASED_GIDS,
132};
133
134enum pvrdma_port_width {
135 PVRDMA_WIDTH_1X = 1,
136 PVRDMA_WIDTH_4X = 2,
137 PVRDMA_WIDTH_8X = 4,
138 PVRDMA_WIDTH_12X = 8,
139};
140
141static inline int pvrdma_width_enum_to_int(enum pvrdma_port_width width)
142{
143 switch (width) {
144 case PVRDMA_WIDTH_1X: return 1;
145 case PVRDMA_WIDTH_4X: return 4;
146 case PVRDMA_WIDTH_8X: return 8;
147 case PVRDMA_WIDTH_12X: return 12;
148 default: return -1;
149 }
150}
151
152enum pvrdma_port_speed {
153 PVRDMA_SPEED_SDR = 1,
154 PVRDMA_SPEED_DDR = 2,
155 PVRDMA_SPEED_QDR = 4,
156 PVRDMA_SPEED_FDR10 = 8,
157 PVRDMA_SPEED_FDR = 16,
158 PVRDMA_SPEED_EDR = 32,
159};
160
161struct pvrdma_port_attr {
162 enum pvrdma_port_state state;
163 enum pvrdma_mtu max_mtu;
164 enum pvrdma_mtu active_mtu;
165 u32 gid_tbl_len;
166 u32 port_cap_flags;
167 u32 max_msg_sz;
168 u32 bad_pkey_cntr;
169 u32 qkey_viol_cntr;
170 u16 pkey_tbl_len;
171 u16 lid;
172 u16 sm_lid;
173 u8 lmc;
174 u8 max_vl_num;
175 u8 sm_sl;
176 u8 subnet_timeout;
177 u8 init_type_reply;
178 u8 active_width;
179 u8 active_speed;
180 u8 phys_state;
181 u8 reserved[2];
182};
183
184struct pvrdma_global_route {
185 union pvrdma_gid dgid;
186 u32 flow_label;
187 u8 sgid_index;
188 u8 hop_limit;
189 u8 traffic_class;
190 u8 reserved;
191};
192
193struct pvrdma_grh {
194 __be32 version_tclass_flow;
195 __be16 paylen;
196 u8 next_hdr;
197 u8 hop_limit;
198 union pvrdma_gid sgid;
199 union pvrdma_gid dgid;
200};
201
202enum pvrdma_ah_flags {
203 PVRDMA_AH_GRH = 1,
204};
205
206enum pvrdma_rate {
207 PVRDMA_RATE_PORT_CURRENT = 0,
208 PVRDMA_RATE_2_5_GBPS = 2,
209 PVRDMA_RATE_5_GBPS = 5,
210 PVRDMA_RATE_10_GBPS = 3,
211 PVRDMA_RATE_20_GBPS = 6,
212 PVRDMA_RATE_30_GBPS = 4,
213 PVRDMA_RATE_40_GBPS = 7,
214 PVRDMA_RATE_60_GBPS = 8,
215 PVRDMA_RATE_80_GBPS = 9,
216 PVRDMA_RATE_120_GBPS = 10,
217 PVRDMA_RATE_14_GBPS = 11,
218 PVRDMA_RATE_56_GBPS = 12,
219 PVRDMA_RATE_112_GBPS = 13,
220 PVRDMA_RATE_168_GBPS = 14,
221 PVRDMA_RATE_25_GBPS = 15,
222 PVRDMA_RATE_100_GBPS = 16,
223 PVRDMA_RATE_200_GBPS = 17,
224 PVRDMA_RATE_300_GBPS = 18,
225};
226
227struct pvrdma_ah_attr {
228 struct pvrdma_global_route grh;
229 u16 dlid;
230 u16 vlan_id;
231 u8 sl;
232 u8 src_path_bits;
233 u8 static_rate;
234 u8 ah_flags;
235 u8 port_num;
236 u8 dmac[6];
237 u8 reserved;
238};
239
240enum pvrdma_cq_notify_flags {
241 PVRDMA_CQ_SOLICITED = 1 << 0,
242 PVRDMA_CQ_NEXT_COMP = 1 << 1,
243 PVRDMA_CQ_SOLICITED_MASK = PVRDMA_CQ_SOLICITED |
244 PVRDMA_CQ_NEXT_COMP,
245 PVRDMA_CQ_REPORT_MISSED_EVENTS = 1 << 2,
246};
247
248struct pvrdma_qp_cap {
249 u32 max_send_wr;
250 u32 max_recv_wr;
251 u32 max_send_sge;
252 u32 max_recv_sge;
253 u32 max_inline_data;
254 u32 reserved;
255};
256
257enum pvrdma_sig_type {
258 PVRDMA_SIGNAL_ALL_WR,
259 PVRDMA_SIGNAL_REQ_WR,
260};
261
262enum pvrdma_qp_type {
263 PVRDMA_QPT_SMI,
264 PVRDMA_QPT_GSI,
265 PVRDMA_QPT_RC,
266 PVRDMA_QPT_UC,
267 PVRDMA_QPT_UD,
268 PVRDMA_QPT_RAW_IPV6,
269 PVRDMA_QPT_RAW_ETHERTYPE,
270 PVRDMA_QPT_RAW_PACKET = 8,
271 PVRDMA_QPT_XRC_INI = 9,
272 PVRDMA_QPT_XRC_TGT,
273 PVRDMA_QPT_MAX,
274};
275
276enum pvrdma_qp_create_flags {
277 PVRDMA_QP_CREATE_IPOPVRDMA_UD_LSO = 1 << 0,
278 PVRDMA_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
279};
280
281enum pvrdma_qp_attr_mask {
282 PVRDMA_QP_STATE = 1 << 0,
283 PVRDMA_QP_CUR_STATE = 1 << 1,
284 PVRDMA_QP_EN_SQD_ASYNC_NOTIFY = 1 << 2,
285 PVRDMA_QP_ACCESS_FLAGS = 1 << 3,
286 PVRDMA_QP_PKEY_INDEX = 1 << 4,
287 PVRDMA_QP_PORT = 1 << 5,
288 PVRDMA_QP_QKEY = 1 << 6,
289 PVRDMA_QP_AV = 1 << 7,
290 PVRDMA_QP_PATH_MTU = 1 << 8,
291 PVRDMA_QP_TIMEOUT = 1 << 9,
292 PVRDMA_QP_RETRY_CNT = 1 << 10,
293 PVRDMA_QP_RNR_RETRY = 1 << 11,
294 PVRDMA_QP_RQ_PSN = 1 << 12,
295 PVRDMA_QP_MAX_QP_RD_ATOMIC = 1 << 13,
296 PVRDMA_QP_ALT_PATH = 1 << 14,
297 PVRDMA_QP_MIN_RNR_TIMER = 1 << 15,
298 PVRDMA_QP_SQ_PSN = 1 << 16,
299 PVRDMA_QP_MAX_DEST_RD_ATOMIC = 1 << 17,
300 PVRDMA_QP_PATH_MIG_STATE = 1 << 18,
301 PVRDMA_QP_CAP = 1 << 19,
302 PVRDMA_QP_DEST_QPN = 1 << 20,
303 PVRDMA_QP_ATTR_MASK_MAX = PVRDMA_QP_DEST_QPN,
304};
305
306enum pvrdma_qp_state {
307 PVRDMA_QPS_RESET,
308 PVRDMA_QPS_INIT,
309 PVRDMA_QPS_RTR,
310 PVRDMA_QPS_RTS,
311 PVRDMA_QPS_SQD,
312 PVRDMA_QPS_SQE,
313 PVRDMA_QPS_ERR,
314};
315
316enum pvrdma_mig_state {
317 PVRDMA_MIG_MIGRATED,
318 PVRDMA_MIG_REARM,
319 PVRDMA_MIG_ARMED,
320};
321
322enum pvrdma_mw_type {
323 PVRDMA_MW_TYPE_1 = 1,
324 PVRDMA_MW_TYPE_2 = 2,
325};
326
327struct pvrdma_srq_attr {
328 u32 max_wr;
329 u32 max_sge;
330 u32 srq_limit;
331 u32 reserved;
332};
333
334struct pvrdma_qp_attr {
335 enum pvrdma_qp_state qp_state;
336 enum pvrdma_qp_state cur_qp_state;
337 enum pvrdma_mtu path_mtu;
338 enum pvrdma_mig_state path_mig_state;
339 u32 qkey;
340 u32 rq_psn;
341 u32 sq_psn;
342 u32 dest_qp_num;
343 u32 qp_access_flags;
344 u16 pkey_index;
345 u16 alt_pkey_index;
346 u8 en_sqd_async_notify;
347 u8 sq_draining;
348 u8 max_rd_atomic;
349 u8 max_dest_rd_atomic;
350 u8 min_rnr_timer;
351 u8 port_num;
352 u8 timeout;
353 u8 retry_cnt;
354 u8 rnr_retry;
355 u8 alt_port_num;
356 u8 alt_timeout;
357 u8 reserved[5];
358 struct pvrdma_qp_cap cap;
359 struct pvrdma_ah_attr ah_attr;
360 struct pvrdma_ah_attr alt_ah_attr;
361};
362
363enum pvrdma_send_flags {
364 PVRDMA_SEND_FENCE = 1 << 0,
365 PVRDMA_SEND_SIGNALED = 1 << 1,
366 PVRDMA_SEND_SOLICITED = 1 << 2,
367 PVRDMA_SEND_INLINE = 1 << 3,
368 PVRDMA_SEND_IP_CSUM = 1 << 4,
369 PVRDMA_SEND_FLAGS_MAX = PVRDMA_SEND_IP_CSUM,
370};
371
372enum pvrdma_access_flags {
373 PVRDMA_ACCESS_LOCAL_WRITE = 1 << 0,
374 PVRDMA_ACCESS_REMOTE_WRITE = 1 << 1,
375 PVRDMA_ACCESS_REMOTE_READ = 1 << 2,
376 PVRDMA_ACCESS_REMOTE_ATOMIC = 1 << 3,
377 PVRDMA_ACCESS_MW_BIND = 1 << 4,
378 PVRDMA_ZERO_BASED = 1 << 5,
379 PVRDMA_ACCESS_ON_DEMAND = 1 << 6,
380 PVRDMA_ACCESS_FLAGS_MAX = PVRDMA_ACCESS_ON_DEMAND,
381};
382
383int pvrdma_query_device(struct ib_device *ibdev,
384 struct ib_device_attr *props,
385 struct ib_udata *udata);
386int pvrdma_query_port(struct ib_device *ibdev, u8 port,
387 struct ib_port_attr *props);
388int pvrdma_query_gid(struct ib_device *ibdev, u8 port,
389 int index, union ib_gid *gid);
390int pvrdma_query_pkey(struct ib_device *ibdev, u8 port,
391 u16 index, u16 *pkey);
392enum rdma_link_layer pvrdma_port_link_layer(struct ib_device *ibdev,
393 u8 port);
394int pvrdma_modify_device(struct ib_device *ibdev, int mask,
395 struct ib_device_modify *props);
396int pvrdma_modify_port(struct ib_device *ibdev, u8 port,
397 int mask, struct ib_port_modify *props);
398int pvrdma_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
399int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
400void pvrdma_dealloc_ucontext(struct ib_ucontext *context);
401int pvrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
402void pvrdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
403struct ib_mr *pvrdma_get_dma_mr(struct ib_pd *pd, int acc);
404struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
405 u64 virt_addr, int access_flags,
406 struct ib_udata *udata);
407int pvrdma_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
408struct ib_mr *pvrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
409 u32 max_num_sg, struct ib_udata *udata);
410int pvrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
411 int sg_nents, unsigned int *sg_offset);
412int pvrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
413 struct ib_udata *udata);
414void pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
415int pvrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
416int pvrdma_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
417int pvrdma_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
418 struct ib_udata *udata);
419void pvrdma_destroy_ah(struct ib_ah *ah, u32 flags);
420
421int pvrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
422 struct ib_udata *udata);
423int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
424 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
425int pvrdma_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
426void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
427
428struct ib_qp *pvrdma_create_qp(struct ib_pd *pd,
429 struct ib_qp_init_attr *init_attr,
430 struct ib_udata *udata);
431int pvrdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
432 int attr_mask, struct ib_udata *udata);
433int pvrdma_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
434 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
435int pvrdma_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
436int pvrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
437 const struct ib_send_wr **bad_wr);
438int pvrdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
439 const struct ib_recv_wr **bad_wr);
440
441#endif
442
