-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);
-