On Wed, Aug 03, 2016 at 04:27:31PM -0700, Adit Ranadive wrote:
> This patch adds the various Verbs structures that we support in the
> virtual RDMA device. We have re-mapped the ones from the RDMA core stack
> to make sure we can maintain compatibility with our backend.
>
> Changes v2->v3:
> - Added , to end of enums missing them.
>
> Reviewed-by: Jorgen Hansen <jhansen@xxxxxxxxxx>
> Reviewed-by: George Zhang <georgezhang@xxxxxxxxxx>
> Reviewed-by: Aditya Sarwade <asarwade@xxxxxxxxxx>
> Reviewed-by: Bryan Tan <bryantan@xxxxxxxxxx>
> Signed-off-by: Adit Ranadive <aditr@xxxxxxxxxx>
> ---
> drivers/infiniband/hw/pvrdma/pvrdma_ib_verbs.h | 450 +++++++++++++++++++++++++
> 1 file changed, 450 insertions(+)
> create mode 100644 drivers/infiniband/hw/pvrdma/pvrdma_ib_verbs.h
>
> diff --git a/drivers/infiniband/hw/pvrdma/pvrdma_ib_verbs.h b/drivers/infiniband/hw/pvrdma/pvrdma_ib_verbs.h
> new file mode 100644
> index 0000000..4bef8b4
> --- /dev/null
> +++ b/drivers/infiniband/hw/pvrdma/pvrdma_ib_verbs.h
> @@ -0,0 +1,450 @@
> +/*
> + * [PLEASE NOTE: VMWARE, INC. ELECTS TO USE AND DISTRIBUTE THIS COMPONENT
> + * UNDER THE TERMS OF THE OpenIB.org BSD license. THE ORIGINAL LICENSE TERMS
> + * ARE REPRODUCED BELOW ONLY AS A REFERENCE.]
> + *
> + * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
> + * Copyright (c) 2004 Infinicon Corporation. All rights reserved.
> + * Copyright (c) 2004 Intel Corporation. All rights reserved.
> + * 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, 2007 Cisco Systems. All rights reserved.
> + * Copyright (c) 2015-2016 VMware, Inc. 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
> + * General Public License (GPL) Version 2, available from the file
> + * COPYING in the main directory of this source tree, or the
> + * OpenIB.org BSD license below:
> + *
> + * Redistribution and use in source and binary forms, with or
> + * without modification, are permitted provided that the following
> + * conditions are met:
> + *
> + * - Redistributions of source code must retain the above
> + * copyright notice, this list of conditions and the following
> + * disclaimer.
> + *
> + * - Redistributions in binary form must reproduce the above
> + * copyright notice, this list of conditions and the following
> + * disclaimer in the documentation and/or other materials
> + * provided with the distribution.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> + * SOFTWARE.
> + */
> +
> +#ifndef __PVRDMA_IB_VERBS_H__
> +#define __PVRDMA_IB_VERBS_H__
> +
> +#include <linux/types.h>
> +
> +union pvrdma_gid {
> + __u8 raw[16];
> + struct {
> + __be64 subnet_prefix;
> + __be64 interface_id;
> + } global;
> +};
Any reason why not to use ib_gid?
Suggesting to utilize definitions from rdma/ib_verbs.h as much as you can.
> +
> +enum pvrdma_link_layer {
> + PVRDMA_LINK_LAYER_UNSPECIFIED,
> + PVRDMA_LINK_LAYER_INFINIBAND,
> + PVRDMA_LINK_LAYER_ETHERNET,
> +};
> +
> +enum pvrdma_mtu {
> + PVRDMA_MTU_256 = 1,
> + PVRDMA_MTU_512 = 2,
> + PVRDMA_MTU_1024 = 3,
> + PVRDMA_MTU_2048 = 4,
> + PVRDMA_MTU_4096 = 5,
> +};
> +
> +static inline int pvrdma_mtu_enum_to_int(enum pvrdma_mtu mtu)
> +{
> + switch (mtu) {
> + case PVRDMA_MTU_256: return 256;
> + case PVRDMA_MTU_512: return 512;
> + case PVRDMA_MTU_1024: return 1024;
> + case PVRDMA_MTU_2048: return 2048;
> + case PVRDMA_MTU_4096: return 4096;
> + default: return -1;
> + }
> +}
> +
> +static inline enum pvrdma_mtu pvrdma_mtu_int_to_enum(int mtu)
> +{
> + switch (mtu) {
> + case 256: return PVRDMA_MTU_256;
> + case 512: return PVRDMA_MTU_512;
> + case 1024: return PVRDMA_MTU_1024;
> + case 2048: return PVRDMA_MTU_2048;
> + case 4096:
> + default: return PVRDMA_MTU_4096;
> + }
> +}
> +
> +enum pvrdma_port_state {
> + PVRDMA_PORT_NOP = 0,
> + PVRDMA_PORT_DOWN = 1,
> + PVRDMA_PORT_INIT = 2,
> + PVRDMA_PORT_ARMED = 3,
> + PVRDMA_PORT_ACTIVE = 4,
> + PVRDMA_PORT_ACTIVE_DEFER = 5,
> +};
> +
> +enum pvrdma_port_cap_flags {
> + PVRDMA_PORT_SM = 1 << 1,
> + PVRDMA_PORT_NOTICE_SUP = 1 << 2,
> + PVRDMA_PORT_TRAP_SUP = 1 << 3,
> + PVRDMA_PORT_OPT_IPD_SUP = 1 << 4,
> + PVRDMA_PORT_AUTO_MIGR_SUP = 1 << 5,
> + PVRDMA_PORT_SL_MAP_SUP = 1 << 6,
> + PVRDMA_PORT_MKEY_NVRAM = 1 << 7,
> + PVRDMA_PORT_PKEY_NVRAM = 1 << 8,
> + PVRDMA_PORT_LED_INFO_SUP = 1 << 9,
> + PVRDMA_PORT_SM_DISABLED = 1 << 10,
> + PVRDMA_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
> + PVRDMA_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
> + PVRDMA_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,
> + PVRDMA_PORT_CM_SUP = 1 << 16,
> + PVRDMA_PORT_SNMP_TUNNEL_SUP = 1 << 17,
> + PVRDMA_PORT_REINIT_SUP = 1 << 18,
> + PVRDMA_PORT_DEVICE_MGMT_SUP = 1 << 19,
> + PVRDMA_PORT_VENDOR_CLASS_SUP = 1 << 20,
> + PVRDMA_PORT_DR_NOTICE_SUP = 1 << 21,
> + PVRDMA_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,
> + PVRDMA_PORT_BOOT_MGMT_SUP = 1 << 23,
> + PVRDMA_PORT_LINK_LATENCY_SUP = 1 << 24,
> + PVRDMA_PORT_CLIENT_REG_SUP = 1 << 25,
> + PVRDMA_PORT_IP_BASED_GIDS = 1 << 26,
> + PVRDMA_PORT_CAP_FLAGS_MAX = PVRDMA_PORT_IP_BASED_GIDS,
> +};
> +
> +enum pvrdma_port_width {
> + PVRDMA_WIDTH_1X = 1,
> + PVRDMA_WIDTH_4X = 2,
> + PVRDMA_WIDTH_8X = 4,
> + PVRDMA_WIDTH_12X = 8,
> +};
> +
> +static inline int pvrdma_width_enum_to_int(enum pvrdma_port_width width)
> +{
> + switch (width) {
> + case PVRDMA_WIDTH_1X: return 1;
> + case PVRDMA_WIDTH_4X: return 4;
> + case PVRDMA_WIDTH_8X: return 8;
> + case PVRDMA_WIDTH_12X: return 12;
> + default: return -1;
> + }
> +}
> +
> +enum pvrdma_port_speed {
> + PVRDMA_SPEED_SDR = 1,
> + PVRDMA_SPEED_DDR = 2,
> + PVRDMA_SPEED_QDR = 4,
> + PVRDMA_SPEED_FDR10 = 8,
> + PVRDMA_SPEED_FDR = 16,
> + PVRDMA_SPEED_EDR = 32,
> +};
> +
> +struct pvrdma_port_attr {
> + enum pvrdma_port_state state;
> + enum pvrdma_mtu max_mtu;
> + enum pvrdma_mtu active_mtu;
> + __u32 gid_tbl_len;
> + __u32 port_cap_flags;
> + __u32 max_msg_sz;
> + __u32 bad_pkey_cntr;
> + __u32 qkey_viol_cntr;
> + __u16 pkey_tbl_len;
> + __u16 lid;
> + __u16 sm_lid;
> + __u8 lmc;
> + __u8 max_vl_num;
> + __u8 sm_sl;
> + __u8 subnet_timeout;
> + __u8 init_type_reply;
> + __u8 active_width;
> + __u8 active_speed;
> + __u8 phys_state;
> + __u8 reserved[2];
> +};
> +
> +struct pvrdma_global_route {
> + union pvrdma_gid dgid;
> + __u32 flow_label;
> + __u8 sgid_index;
> + __u8 hop_limit;
> + __u8 traffic_class;
> + __u8 reserved;
> +};
> +
> +struct pvrdma_grh {
> + __be32 version_tclass_flow;
> + __be16 paylen;
> + __u8 next_hdr;
> + __u8 hop_limit;
> + union pvrdma_gid sgid;
> + union pvrdma_gid dgid;
> +};
Same comment as for pvrdma_gid.
(ib_grh)
> +
> +enum pvrdma_ah_flags {
> + PVRDMA_AH_GRH = 1,
> +};
Same comment as for pvrdma_gid.
(ib_ah_flags)
> +
> +enum pvrdma_rate {
> + PVRDMA_RATE_PORT_CURRENT = 0,
> + PVRDMA_RATE_2_5_GBPS = 2,
> + PVRDMA_RATE_5_GBPS = 5,
> + PVRDMA_RATE_10_GBPS = 3,
> + PVRDMA_RATE_20_GBPS = 6,
> + PVRDMA_RATE_30_GBPS = 4,
> + PVRDMA_RATE_40_GBPS = 7,
> + PVRDMA_RATE_60_GBPS = 8,
> + PVRDMA_RATE_80_GBPS = 9,
> + PVRDMA_RATE_120_GBPS = 10,
> + PVRDMA_RATE_14_GBPS = 11,
> + PVRDMA_RATE_56_GBPS = 12,
> + PVRDMA_RATE_112_GBPS = 13,
> + PVRDMA_RATE_168_GBPS = 14,
> + PVRDMA_RATE_25_GBPS = 15,
> + PVRDMA_RATE_100_GBPS = 16,
> + PVRDMA_RATE_200_GBPS = 17,
> + PVRDMA_RATE_300_GBPS = 18,
> +};
Same comment as for pvrdma_gid.
(ib_rate)
> +
> +struct pvrdma_ah_attr {
> + struct pvrdma_global_route grh;
> + __u16 dlid;
> + __u16 vlan_id;
> + __u8 sl;
> + __u8 src_path_bits;
> + __u8 static_rate;
> + __u8 ah_flags;
> + __u8 port_num;
> + __u8 dmac[6];
> + __u8 reserved;
> +};
And so on...
(ib_ah_attr)
> +
> +enum pvrdma_wc_status {
> + PVRDMA_WC_SUCCESS,
> + PVRDMA_WC_LOC_LEN_ERR,
> + PVRDMA_WC_LOC_QP_OP_ERR,
> + PVRDMA_WC_LOC_EEC_OP_ERR,
> + PVRDMA_WC_LOC_PROT_ERR,
> + PVRDMA_WC_WR_FLUSH_ERR,
> + PVRDMA_WC_MW_BIND_ERR,
> + PVRDMA_WC_BAD_RESP_ERR,
> + PVRDMA_WC_LOC_ACCESS_ERR,
> + PVRDMA_WC_REM_INV_REQ_ERR,
> + PVRDMA_WC_REM_ACCESS_ERR,
> + PVRDMA_WC_REM_OP_ERR,
> + PVRDMA_WC_RETRY_EXC_ERR,
> + PVRDMA_WC_RNR_RETRY_EXC_ERR,
> + PVRDMA_WC_LOC_RDD_VIOL_ERR,
> + PVRDMA_WC_REM_INV_RD_REQ_ERR,
> + PVRDMA_WC_REM_ABORT_ERR,
> + PVRDMA_WC_INV_EECN_ERR,
> + PVRDMA_WC_INV_EEC_STATE_ERR,
> + PVRDMA_WC_FATAL_ERR,
> + PVRDMA_WC_RESP_TIMEOUT_ERR,
> + PVRDMA_WC_GENERAL_ERR,
> +};
> +
> +enum pvrdma_wc_opcode {
> + PVRDMA_WC_SEND,
> + PVRDMA_WC_RDMA_WRITE,
> + PVRDMA_WC_RDMA_READ,
> + PVRDMA_WC_COMP_SWAP,
> + PVRDMA_WC_FETCH_ADD,
> + PVRDMA_WC_BIND_MW,
> + PVRDMA_WC_LSO,
> + PVRDMA_WC_LOCAL_INV,
> + PVRDMA_WC_FAST_REG_MR,
> + PVRDMA_WC_MASKED_COMP_SWAP,
> + PVRDMA_WC_MASKED_FETCH_ADD,
> + PVRDMA_WC_RECV = 1 << 7,
> + PVRDMA_WC_RECV_RDMA_WITH_IMM,
> +};
> +
> +enum pvrdma_wc_flags {
> + PVRDMA_WC_GRH = 1 << 0,
> + PVRDMA_WC_WITH_IMM = 1 << 1,
> + PVRDMA_WC_WITH_INVALIDATE = 1 << 2,
> + PVRDMA_WC_IP_CSUM_OK = 1 << 3,
> + PVRDMA_WC_WITH_SMAC = 1 << 4,
> + PVRDMA_WC_WITH_VLAN = 1 << 5,
> + PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_VLAN,
> +};
> +
> +enum pvrdma_cq_notify_flags {
> + PVRDMA_CQ_SOLICITED = 1 << 0,
> + PVRDMA_CQ_NEXT_COMP = 1 << 1,
> + PVRDMA_CQ_SOLICITED_MASK = PVRDMA_CQ_SOLICITED |
> + PVRDMA_CQ_NEXT_COMP,
> + PVRDMA_CQ_REPORT_MISSED_EVENTS = 1 << 2,
> +};
> +
> +struct pvrdma_qp_cap {
> + __u32 max_send_wr;
> + __u32 max_recv_wr;
> + __u32 max_send_sge;
> + __u32 max_recv_sge;
> + __u32 max_inline_data;
> + __u32 reserved;
> +};
> +
> +enum pvrdma_sig_type {
> + PVRDMA_SIGNAL_ALL_WR,
> + PVRDMA_SIGNAL_REQ_WR,
> +};
> +
> +enum pvrdma_qp_type {
> + PVRDMA_QPT_SMI,
> + PVRDMA_QPT_GSI,
> + PVRDMA_QPT_RC,
> + PVRDMA_QPT_UC,
> + PVRDMA_QPT_UD,
> + PVRDMA_QPT_RAW_IPV6,
> + PVRDMA_QPT_RAW_ETHERTYPE,
> + PVRDMA_QPT_RAW_PACKET = 8,
> + PVRDMA_QPT_XRC_INI = 9,
> + PVRDMA_QPT_XRC_TGT,
> + PVRDMA_QPT_MAX,
> +};
> +
> +enum pvrdma_qp_create_flags {
> + PVRDMA_QP_CREATE_IPOPVRDMA_UD_LSO = 1 << 0,
> + PVRDMA_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
> +};
> +
> +enum pvrdma_qp_attr_mask {
> + PVRDMA_QP_STATE = 1 << 0,
> + PVRDMA_QP_CUR_STATE = 1 << 1,
> + PVRDMA_QP_EN_SQD_ASYNC_NOTIFY = 1 << 2,
> + PVRDMA_QP_ACCESS_FLAGS = 1 << 3,
> + PVRDMA_QP_PKEY_INDEX = 1 << 4,
> + PVRDMA_QP_PORT = 1 << 5,
> + PVRDMA_QP_QKEY = 1 << 6,
> + PVRDMA_QP_AV = 1 << 7,
> + PVRDMA_QP_PATH_MTU = 1 << 8,
> + PVRDMA_QP_TIMEOUT = 1 << 9,
> + PVRDMA_QP_RETRY_CNT = 1 << 10,
> + PVRDMA_QP_RNR_RETRY = 1 << 11,
> + PVRDMA_QP_RQ_PSN = 1 << 12,
> + PVRDMA_QP_MAX_QP_RD_ATOMIC = 1 << 13,
> + PVRDMA_QP_ALT_PATH = 1 << 14,
> + PVRDMA_QP_MIN_RNR_TIMER = 1 << 15,
> + PVRDMA_QP_SQ_PSN = 1 << 16,
> + PVRDMA_QP_MAX_DEST_RD_ATOMIC = 1 << 17,
> + PVRDMA_QP_PATH_MIG_STATE = 1 << 18,
> + PVRDMA_QP_CAP = 1 << 19,
> + PVRDMA_QP_DEST_QPN = 1 << 20,
> + PVRDMA_QP_ATTR_MASK_MAX = PVRDMA_QP_DEST_QPN,
> +};
> +
> +enum pvrdma_qp_state {
> + PVRDMA_QPS_RESET,
> + PVRDMA_QPS_INIT,
> + PVRDMA_QPS_RTR,
> + PVRDMA_QPS_RTS,
> + PVRDMA_QPS_SQD,
> + PVRDMA_QPS_SQE,
> + PVRDMA_QPS_ERR,
> +};
> +
> +enum pvrdma_mig_state {
> + PVRDMA_MIG_MIGRATED,
> + PVRDMA_MIG_REARM,
> + PVRDMA_MIG_ARMED,
> +};
> +
> +enum pvrdma_mw_type {
> + PVRDMA_MW_TYPE_1 = 1,
> + PVRDMA_MW_TYPE_2 = 2,
> +};
> +
> +struct pvrdma_qp_attr {
> + enum pvrdma_qp_state qp_state;
> + enum pvrdma_qp_state cur_qp_state;
> + enum pvrdma_mtu path_mtu;
> + enum pvrdma_mig_state path_mig_state;
> + __u32 qkey;
> + __u32 rq_psn;
> + __u32 sq_psn;
> + __u32 dest_qp_num;
> + __u32 qp_access_flags;
> + __u16 pkey_index;
> + __u16 alt_pkey_index;
> + __u8 en_sqd_async_notify;
> + __u8 sq_draining;
> + __u8 max_rd_atomic;
> + __u8 max_dest_rd_atomic;
> + __u8 min_rnr_timer;
> + __u8 port_num;
> + __u8 timeout;
> + __u8 retry_cnt;
> + __u8 rnr_retry;
> + __u8 alt_port_num;
> + __u8 alt_timeout;
> + __u8 reserved[5];
> + struct pvrdma_qp_cap cap;
> + struct pvrdma_ah_attr ah_attr;
> + struct pvrdma_ah_attr alt_ah_attr;
> +};
> +
> +enum pvrdma_wr_opcode {
> + PVRDMA_WR_RDMA_WRITE,
> + PVRDMA_WR_RDMA_WRITE_WITH_IMM,
> + PVRDMA_WR_SEND,
> + PVRDMA_WR_SEND_WITH_IMM,
> + PVRDMA_WR_RDMA_READ,
> + PVRDMA_WR_ATOMIC_CMP_AND_SWP,
> + PVRDMA_WR_ATOMIC_FETCH_AND_ADD,
> + PVRDMA_WR_LSO,
> + PVRDMA_WR_SEND_WITH_INV,
> + PVRDMA_WR_RDMA_READ_WITH_INV,
> + PVRDMA_WR_LOCAL_INV,
> + PVRDMA_WR_FAST_REG_MR,
> + PVRDMA_WR_MASKED_ATOMIC_CMP_AND_SWP,
> + PVRDMA_WR_MASKED_ATOMIC_FETCH_AND_ADD,
> + PVRDMA_WR_BIND_MW,
> + PVRDMA_WR_REG_SIG_MR,
> +};
> +
> +enum pvrdma_send_flags {
> + PVRDMA_SEND_FENCE = 1 << 0,
> + PVRDMA_SEND_SIGNALED = 1 << 1,
> + PVRDMA_SEND_SOLICITED = 1 << 2,
> + PVRDMA_SEND_INLINE = 1 << 3,
> + PVRDMA_SEND_IP_CSUM = 1 << 4,
> + PVRDMA_SEND_FLAGS_MAX = PVRDMA_SEND_IP_CSUM,
> +};
> +
> +struct pvrdma_sge {
> + __u64 addr;
> + __u32 length;
> + __u32 lkey;
> +};
> +
> +enum pvrdma_access_flags {
> + PVRDMA_ACCESS_LOCAL_WRITE = 1 << 0,
> + PVRDMA_ACCESS_REMOTE_WRITE = 1 << 1,
> + PVRDMA_ACCESS_REMOTE_READ = 1 << 2,
> + PVRDMA_ACCESS_REMOTE_ATOMIC = 1 << 3,
> + PVRDMA_ACCESS_MW_BIND = 1 << 4,
> + PVRDMA_ZERO_BASED = 1 << 5,
> + PVRDMA_ACCESS_ON_DEMAND = 1 << 6,
> + PVRDMA_ACCESS_FLAGS_MAX = PVRDMA_ACCESS_ON_DEMAND,
> +};
> +
> +#endif /* __PVRDMA_IB_VERBS_H__ */
> --
> 2.7.4
>
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