* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
- * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
#include <rdma/ib_verbs.h>
#include <rdma/ib_cache.h>
-int ib_rate_to_mult(enum ib_rate rate)
-{
- switch (rate) {
- case IB_RATE_2_5_GBPS: return 1;
- case IB_RATE_5_GBPS: return 2;
- case IB_RATE_10_GBPS: return 4;
- case IB_RATE_20_GBPS: return 8;
- case IB_RATE_30_GBPS: return 12;
- case IB_RATE_40_GBPS: return 16;
- case IB_RATE_60_GBPS: return 24;
- case IB_RATE_80_GBPS: return 32;
- case IB_RATE_120_GBPS: return 48;
- default: return -1;
- }
-}
-EXPORT_SYMBOL(ib_rate_to_mult);
-
-enum ib_rate mult_to_ib_rate(int mult)
-{
- switch (mult) {
- case 1: return IB_RATE_2_5_GBPS;
- case 2: return IB_RATE_5_GBPS;
- case 4: return IB_RATE_10_GBPS;
- case 8: return IB_RATE_20_GBPS;
- case 12: return IB_RATE_30_GBPS;
- case 16: return IB_RATE_40_GBPS;
- case 24: return IB_RATE_60_GBPS;
- case 32: return IB_RATE_80_GBPS;
- case 48: return IB_RATE_120_GBPS;
- default: return IB_RATE_PORT_CURRENT;
- }
-}
-EXPORT_SYMBOL(mult_to_ib_rate);
-
/* Protection domains */
struct ib_pd *ib_alloc_pd(struct ib_device *device)
}
EXPORT_SYMBOL(ib_create_ah);
-int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc,
- struct ib_grh *grh, struct ib_ah_attr *ah_attr)
+struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc,
+ struct ib_grh *grh, u8 port_num)
{
+ struct ib_ah_attr ah_attr;
u32 flow_class;
u16 gid_index;
int ret;
- memset(ah_attr, 0, sizeof *ah_attr);
- ah_attr->dlid = wc->slid;
- ah_attr->sl = wc->sl;
- ah_attr->src_path_bits = wc->dlid_path_bits;
- ah_attr->port_num = port_num;
+ memset(&ah_attr, 0, sizeof ah_attr);
+ ah_attr.dlid = wc->slid;
+ ah_attr.sl = wc->sl;
+ ah_attr.src_path_bits = wc->dlid_path_bits;
+ ah_attr.port_num = port_num;
if (wc->wc_flags & IB_WC_GRH) {
- ah_attr->ah_flags = IB_AH_GRH;
- ah_attr->grh.dgid = grh->sgid;
+ ah_attr.ah_flags = IB_AH_GRH;
+ ah_attr.grh.dgid = grh->sgid;
- ret = ib_find_cached_gid(device, &grh->dgid, &port_num,
+ ret = ib_find_cached_gid(pd->device, &grh->dgid, &port_num,
&gid_index);
if (ret)
- return ret;
+ return ERR_PTR(ret);
- ah_attr->grh.sgid_index = (u8) gid_index;
+ ah_attr.grh.sgid_index = (u8) gid_index;
flow_class = be32_to_cpu(grh->version_tclass_flow);
- ah_attr->grh.flow_label = flow_class & 0xFFFFF;
- ah_attr->grh.hop_limit = grh->hop_limit;
- ah_attr->grh.traffic_class = (flow_class >> 20) & 0xFF;
+ ah_attr.grh.flow_label = flow_class & 0xFFFFF;
+ ah_attr.grh.traffic_class = (flow_class >> 20) & 0xFF;
+ ah_attr.grh.hop_limit = grh->hop_limit;
}
- return 0;
-}
-EXPORT_SYMBOL(ib_init_ah_from_wc);
-
-struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc,
- struct ib_grh *grh, u8 port_num)
-{
- struct ib_ah_attr ah_attr;
- int ret;
-
- ret = ib_init_ah_from_wc(pd->device, port_num, wc, grh, &ah_attr);
- if (ret)
- return ERR_PTR(ret);
return ib_create_ah(pd, &ah_attr);
}
}
EXPORT_SYMBOL(ib_create_qp);
-static const struct {
- int valid;
- enum ib_qp_attr_mask req_param[IB_QPT_RAW_ETY + 1];
- enum ib_qp_attr_mask opt_param[IB_QPT_RAW_ETY + 1];
-} qp_state_table[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = {
- [IB_QPS_RESET] = {
- [IB_QPS_RESET] = { .valid = 1 },
- [IB_QPS_ERR] = { .valid = 1 },
- [IB_QPS_INIT] = {
- .valid = 1,
- .req_param = {
- [IB_QPT_UD] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_ACCESS_FLAGS),
- [IB_QPT_RC] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_ACCESS_FLAGS),
- [IB_QPT_SMI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- }
- },
- },
- [IB_QPS_INIT] = {
- [IB_QPS_RESET] = { .valid = 1 },
- [IB_QPS_ERR] = { .valid = 1 },
- [IB_QPS_INIT] = {
- .valid = 1,
- .opt_param = {
- [IB_QPT_UD] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_ACCESS_FLAGS),
- [IB_QPT_RC] = (IB_QP_PKEY_INDEX |
- IB_QP_PORT |
- IB_QP_ACCESS_FLAGS),
- [IB_QPT_SMI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- }
- },
- [IB_QPS_RTR] = {
- .valid = 1,
- .req_param = {
- [IB_QPT_UC] = (IB_QP_AV |
- IB_QP_PATH_MTU |
- IB_QP_DEST_QPN |
- IB_QP_RQ_PSN),
- [IB_QPT_RC] = (IB_QP_AV |
- IB_QP_PATH_MTU |
- IB_QP_DEST_QPN |
- IB_QP_RQ_PSN |
- IB_QP_MAX_DEST_RD_ATOMIC |
- IB_QP_MIN_RNR_TIMER),
- },
- .opt_param = {
- [IB_QPT_UD] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_PKEY_INDEX),
- [IB_QPT_RC] = (IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_PKEY_INDEX),
- [IB_QPT_SMI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- }
- }
- },
- [IB_QPS_RTR] = {
- [IB_QPS_RESET] = { .valid = 1 },
- [IB_QPS_ERR] = { .valid = 1 },
- [IB_QPS_RTS] = {
- .valid = 1,
- .req_param = {
- [IB_QPT_UD] = IB_QP_SQ_PSN,
- [IB_QPT_UC] = IB_QP_SQ_PSN,
- [IB_QPT_RC] = (IB_QP_TIMEOUT |
- IB_QP_RETRY_CNT |
- IB_QP_RNR_RETRY |
- IB_QP_SQ_PSN |
- IB_QP_MAX_QP_RD_ATOMIC),
- [IB_QPT_SMI] = IB_QP_SQ_PSN,
- [IB_QPT_GSI] = IB_QP_SQ_PSN,
- },
- .opt_param = {
- [IB_QPT_UD] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_CUR_STATE |
- IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_PATH_MIG_STATE),
- [IB_QPT_RC] = (IB_QP_CUR_STATE |
- IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_MIN_RNR_TIMER |
- IB_QP_PATH_MIG_STATE),
- [IB_QPT_SMI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- }
- }
- },
- [IB_QPS_RTS] = {
- [IB_QPS_RESET] = { .valid = 1 },
- [IB_QPS_ERR] = { .valid = 1 },
- [IB_QPS_RTS] = {
- .valid = 1,
- .opt_param = {
- [IB_QPT_UD] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_CUR_STATE |
- IB_QP_ACCESS_FLAGS |
- IB_QP_ALT_PATH |
- IB_QP_PATH_MIG_STATE),
- [IB_QPT_RC] = (IB_QP_CUR_STATE |
- IB_QP_ACCESS_FLAGS |
- IB_QP_ALT_PATH |
- IB_QP_PATH_MIG_STATE |
- IB_QP_MIN_RNR_TIMER),
- [IB_QPT_SMI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- }
- },
- [IB_QPS_SQD] = {
- .valid = 1,
- .opt_param = {
- [IB_QPT_UD] = IB_QP_EN_SQD_ASYNC_NOTIFY,
- [IB_QPT_UC] = IB_QP_EN_SQD_ASYNC_NOTIFY,
- [IB_QPT_RC] = IB_QP_EN_SQD_ASYNC_NOTIFY,
- [IB_QPT_SMI] = IB_QP_EN_SQD_ASYNC_NOTIFY,
- [IB_QPT_GSI] = IB_QP_EN_SQD_ASYNC_NOTIFY
- }
- },
- },
- [IB_QPS_SQD] = {
- [IB_QPS_RESET] = { .valid = 1 },
- [IB_QPS_ERR] = { .valid = 1 },
- [IB_QPS_RTS] = {
- .valid = 1,
- .opt_param = {
- [IB_QPT_UD] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_CUR_STATE |
- IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_PATH_MIG_STATE),
- [IB_QPT_RC] = (IB_QP_CUR_STATE |
- IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_MIN_RNR_TIMER |
- IB_QP_PATH_MIG_STATE),
- [IB_QPT_SMI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- }
- },
- [IB_QPS_SQD] = {
- .valid = 1,
- .opt_param = {
- [IB_QPT_UD] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_AV |
- IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_PKEY_INDEX |
- IB_QP_PATH_MIG_STATE),
- [IB_QPT_RC] = (IB_QP_PORT |
- IB_QP_AV |
- IB_QP_TIMEOUT |
- IB_QP_RETRY_CNT |
- IB_QP_RNR_RETRY |
- IB_QP_MAX_QP_RD_ATOMIC |
- IB_QP_MAX_DEST_RD_ATOMIC |
- IB_QP_ALT_PATH |
- IB_QP_ACCESS_FLAGS |
- IB_QP_PKEY_INDEX |
- IB_QP_MIN_RNR_TIMER |
- IB_QP_PATH_MIG_STATE),
- [IB_QPT_SMI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_PKEY_INDEX |
- IB_QP_QKEY),
- }
- }
- },
- [IB_QPS_SQE] = {
- [IB_QPS_RESET] = { .valid = 1 },
- [IB_QPS_ERR] = { .valid = 1 },
- [IB_QPS_RTS] = {
- .valid = 1,
- .opt_param = {
- [IB_QPT_UD] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_UC] = (IB_QP_CUR_STATE |
- IB_QP_ACCESS_FLAGS),
- [IB_QPT_SMI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- [IB_QPT_GSI] = (IB_QP_CUR_STATE |
- IB_QP_QKEY),
- }
- }
- },
- [IB_QPS_ERR] = {
- [IB_QPS_RESET] = { .valid = 1 },
- [IB_QPS_ERR] = { .valid = 1 }
- }
-};
-
-int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state,
- enum ib_qp_type type, enum ib_qp_attr_mask mask)
-{
- enum ib_qp_attr_mask req_param, opt_param;
-
- if (cur_state < 0 || cur_state > IB_QPS_ERR ||
- next_state < 0 || next_state > IB_QPS_ERR)
- return 0;
-
- if (mask & IB_QP_CUR_STATE &&
- cur_state != IB_QPS_RTR && cur_state != IB_QPS_RTS &&
- cur_state != IB_QPS_SQD && cur_state != IB_QPS_SQE)
- return 0;
-
- if (!qp_state_table[cur_state][next_state].valid)
- return 0;
-
- req_param = qp_state_table[cur_state][next_state].req_param[type];
- opt_param = qp_state_table[cur_state][next_state].opt_param[type];
-
- if ((mask & req_param) != req_param)
- return 0;
-
- if (mask & ~(req_param | opt_param | IB_QP_STATE))
- return 0;
-
- return 1;
-}
-EXPORT_SYMBOL(ib_modify_qp_is_ok);
-
int ib_modify_qp(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask)
}
EXPORT_SYMBOL(ib_destroy_cq);
-int ib_resize_cq(struct ib_cq *cq, int cqe)
+int ib_resize_cq(struct ib_cq *cq,
+ int cqe)
{
return cq->device->resize_cq ?
- cq->device->resize_cq(cq, cqe, NULL) : -ENOSYS;
+ cq->device->resize_cq(cq, cqe) : -ENOSYS;
}
EXPORT_SYMBOL(ib_resize_cq);