* 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 Cisco Systems. All rights reserved.
+ * Copyright (c) 2005, 2006 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)
if (wc->wc_flags & IB_WC_GRH) {
ah_attr.ah_flags = IB_AH_GRH;
- ah_attr.grh.dgid = grh->dgid;
+ ah_attr.grh.dgid = grh->sgid;
- ret = ib_find_cached_gid(pd->device, &grh->sgid, &port_num,
+ ret = ib_find_cached_gid(pd->device, &grh->dgid, &port_num,
&gid_index);
if (ret)
return ERR_PTR(ret);
}
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)
{
- int ret;
-
- if (!cq->device->resize_cq)
- return -ENOSYS;
-
- ret = cq->device->resize_cq(cq, &cqe);
- if (!ret)
- cq->cqe = cqe;
-
- return ret;
+ return cq->device->resize_cq ?
+ cq->device->resize_cq(cq, cqe, NULL) : -ENOSYS;
}
EXPORT_SYMBOL(ib_resize_cq);
git.openpandora.org / pandora-kernel.git / blobdiff