diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_param.h')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_param.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h new file mode 100644 index 000000000..fa41009ce --- /dev/null +++ b/drivers/infiniband/sw/rxe/rxe_param.h @@ -0,0 +1,149 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. + * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. + */ + +#ifndef RXE_PARAM_H +#define RXE_PARAM_H + +#include <uapi/rdma/rdma_user_rxe.h> + +#define DEFAULT_MAX_VALUE (1 << 20) + +static inline enum ib_mtu rxe_mtu_int_to_enum(int mtu) +{ + if (mtu < 256) + return 0; + else if (mtu < 512) + return IB_MTU_256; + else if (mtu < 1024) + return IB_MTU_512; + else if (mtu < 2048) + return IB_MTU_1024; + else if (mtu < 4096) + return IB_MTU_2048; + else + return IB_MTU_4096; +} + +/* Find the IB mtu for a given network MTU. */ +static inline enum ib_mtu eth_mtu_int_to_enum(int mtu) +{ + mtu -= RXE_MAX_HDR_LENGTH; + + return rxe_mtu_int_to_enum(mtu); +} + +/* default/initial rxe device parameter settings */ +enum rxe_device_param { + RXE_MAX_MR_SIZE = -1ull, + RXE_PAGE_SIZE_CAP = 0xfffff000, + RXE_MAX_QP_WR = DEFAULT_MAX_VALUE, + RXE_DEVICE_CAP_FLAGS = IB_DEVICE_BAD_PKEY_CNTR + | IB_DEVICE_BAD_QKEY_CNTR + | IB_DEVICE_AUTO_PATH_MIG + | IB_DEVICE_CHANGE_PHY_PORT + | IB_DEVICE_UD_AV_PORT_ENFORCE + | IB_DEVICE_PORT_ACTIVE_EVENT + | IB_DEVICE_SYS_IMAGE_GUID + | IB_DEVICE_RC_RNR_NAK_GEN + | IB_DEVICE_SRQ_RESIZE + | IB_DEVICE_MEM_MGT_EXTENSIONS + | IB_DEVICE_MEM_WINDOW + | IB_DEVICE_MEM_WINDOW_TYPE_2B, + RXE_MAX_SGE = 32, + RXE_MAX_WQE_SIZE = sizeof(struct rxe_send_wqe) + + sizeof(struct ib_sge) * RXE_MAX_SGE, + RXE_MAX_INLINE_DATA = RXE_MAX_WQE_SIZE - + sizeof(struct rxe_send_wqe), + RXE_MAX_SGE_RD = 32, + RXE_MAX_CQ = DEFAULT_MAX_VALUE, + RXE_MAX_LOG_CQE = 15, + RXE_MAX_PD = DEFAULT_MAX_VALUE, + RXE_MAX_QP_RD_ATOM = 128, + RXE_MAX_RES_RD_ATOM = 0x3f000, + RXE_MAX_QP_INIT_RD_ATOM = 128, + RXE_MAX_MCAST_GRP = 8192, + RXE_MAX_MCAST_QP_ATTACH = 56, + RXE_MAX_TOT_MCAST_QP_ATTACH = 0x70000, + RXE_MAX_AH = (1<<15) - 1, /* 32Ki - 1 */ + RXE_MIN_AH_INDEX = 1, + RXE_MAX_AH_INDEX = RXE_MAX_AH, + RXE_MAX_SRQ_WR = DEFAULT_MAX_VALUE, + RXE_MIN_SRQ_WR = 1, + RXE_MAX_SRQ_SGE = 27, + RXE_MIN_SRQ_SGE = 1, + RXE_MAX_FMR_PAGE_LIST_LEN = 512, + RXE_MAX_PKEYS = 64, + RXE_LOCAL_CA_ACK_DELAY = 15, + + RXE_MAX_UCONTEXT = DEFAULT_MAX_VALUE, + + RXE_NUM_PORT = 1, + + RXE_MIN_QP_INDEX = 16, + RXE_MAX_QP_INDEX = DEFAULT_MAX_VALUE, + RXE_MAX_QP = DEFAULT_MAX_VALUE - RXE_MIN_QP_INDEX, + + RXE_MIN_SRQ_INDEX = 0x00020001, + RXE_MAX_SRQ_INDEX = DEFAULT_MAX_VALUE, + RXE_MAX_SRQ = DEFAULT_MAX_VALUE - RXE_MIN_SRQ_INDEX, + + RXE_MIN_MR_INDEX = 0x00000001, + RXE_MAX_MR_INDEX = DEFAULT_MAX_VALUE >> 1, + RXE_MAX_MR = RXE_MAX_MR_INDEX - RXE_MIN_MR_INDEX, + RXE_MIN_MW_INDEX = RXE_MAX_MR_INDEX + 1, + RXE_MAX_MW_INDEX = DEFAULT_MAX_VALUE, + RXE_MAX_MW = RXE_MAX_MW_INDEX - RXE_MIN_MW_INDEX, + + RXE_MAX_PKT_PER_ACK = 64, + + RXE_MAX_UNACKED_PSNS = 128, + + /* Max inflight SKBs per queue pair */ + RXE_INFLIGHT_SKBS_PER_QP_HIGH = 64, + RXE_INFLIGHT_SKBS_PER_QP_LOW = 16, + + /* Max number of interations of each tasklet + * before yielding the cpu to let other + * work make progress + */ + RXE_MAX_ITERATIONS = 1024, + + /* Delay before calling arbiter timer */ + RXE_NSEC_ARB_TIMER_DELAY = 200, + + /* IBTA v1.4 A3.3.1 VENDOR INFORMATION section */ + RXE_VENDOR_ID = 0XFFFFFF, +}; + +/* default/initial rxe port parameters */ +enum rxe_port_param { + RXE_PORT_GID_TBL_LEN = 1024, + RXE_PORT_PORT_CAP_FLAGS = IB_PORT_CM_SUP, + RXE_PORT_MAX_MSG_SZ = 0x800000, + RXE_PORT_BAD_PKEY_CNTR = 0, + RXE_PORT_QKEY_VIOL_CNTR = 0, + RXE_PORT_LID = 0, + RXE_PORT_SM_LID = 0, + RXE_PORT_SM_SL = 0, + RXE_PORT_LMC = 0, + RXE_PORT_MAX_VL_NUM = 1, + RXE_PORT_SUBNET_TIMEOUT = 0, + RXE_PORT_INIT_TYPE_REPLY = 0, + RXE_PORT_ACTIVE_WIDTH = IB_WIDTH_1X, + RXE_PORT_ACTIVE_SPEED = 1, + RXE_PORT_PKEY_TBL_LEN = 1, + RXE_PORT_PHYS_STATE = IB_PORT_PHYS_STATE_POLLING, + RXE_PORT_SUBNET_PREFIX = 0xfe80000000000000ULL, +}; + +/* default/initial port info parameters */ +enum rxe_port_info_param { + RXE_PORT_INFO_VL_CAP = 4, /* 1-8 */ + RXE_PORT_INFO_MTU_CAP = 5, /* 4096 */ + RXE_PORT_INFO_OPER_VL = 1, /* 1 */ +}; + +#endif /* RXE_PARAM_H */ |