From 8c1b4316c3faa38cb66bde200a8f2942fa6728b6 Mon Sep 17 00:00:00 2001 From: Gal Pressman Date: Mon, 12 Jul 2021 13:59:23 +0300 Subject: [PATCH] RDMA/efa: Split hardware stats to device and port stats The hardware stats API distinguishes between device and port statistics, split the EFA stats accordingly instead of always dumping everything. Link: https://lore.kernel.org/r/20210712105923.17389-1-galpress@amazon.com Reviewed-by: Firas JahJah Reviewed-by: Yossi Leybovich Signed-off-by: Gal Pressman Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/efa/efa_verbs.c | 118 ++++++++++++++++++++-------------- 1 file changed, 70 insertions(+), 48 deletions(-) diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index be6d3ff..b4cfb65 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB /* - * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved. */ #include @@ -30,7 +30,21 @@ struct efa_user_mmap_entry { u8 mmap_flag; }; -#define EFA_DEFINE_STATS(op) \ +#define EFA_DEFINE_DEVICE_STATS(op) \ + op(EFA_SUBMITTED_CMDS, "submitted_cmds") \ + op(EFA_COMPLETED_CMDS, "completed_cmds") \ + op(EFA_CMDS_ERR, "cmds_err") \ + op(EFA_NO_COMPLETION_CMDS, "no_completion_cmds") \ + op(EFA_KEEP_ALIVE_RCVD, "keep_alive_rcvd") \ + op(EFA_ALLOC_PD_ERR, "alloc_pd_err") \ + op(EFA_CREATE_QP_ERR, "create_qp_err") \ + op(EFA_CREATE_CQ_ERR, "create_cq_err") \ + op(EFA_REG_MR_ERR, "reg_mr_err") \ + op(EFA_ALLOC_UCONTEXT_ERR, "alloc_ucontext_err") \ + op(EFA_CREATE_AH_ERR, "create_ah_err") \ + op(EFA_MMAP_ERR, "mmap_err") + +#define EFA_DEFINE_PORT_STATS(op) \ op(EFA_TX_BYTES, "tx_bytes") \ op(EFA_TX_PKTS, "tx_pkts") \ op(EFA_RX_BYTES, "rx_bytes") \ @@ -44,28 +58,24 @@ struct efa_user_mmap_entry { op(EFA_RDMA_READ_BYTES, "rdma_read_bytes") \ op(EFA_RDMA_READ_WR_ERR, "rdma_read_wr_err") \ op(EFA_RDMA_READ_RESP_BYTES, "rdma_read_resp_bytes") \ - op(EFA_SUBMITTED_CMDS, "submitted_cmds") \ - op(EFA_COMPLETED_CMDS, "completed_cmds") \ - op(EFA_CMDS_ERR, "cmds_err") \ - op(EFA_NO_COMPLETION_CMDS, "no_completion_cmds") \ - op(EFA_KEEP_ALIVE_RCVD, "keep_alive_rcvd") \ - op(EFA_ALLOC_PD_ERR, "alloc_pd_err") \ - op(EFA_CREATE_QP_ERR, "create_qp_err") \ - op(EFA_CREATE_CQ_ERR, "create_cq_err") \ - op(EFA_REG_MR_ERR, "reg_mr_err") \ - op(EFA_ALLOC_UCONTEXT_ERR, "alloc_ucontext_err") \ - op(EFA_CREATE_AH_ERR, "create_ah_err") \ - op(EFA_MMAP_ERR, "mmap_err") #define EFA_STATS_ENUM(ename, name) ename, #define EFA_STATS_STR(ename, name) [ename] = name, -enum efa_hw_stats { - EFA_DEFINE_STATS(EFA_STATS_ENUM) +enum efa_hw_device_stats { + EFA_DEFINE_DEVICE_STATS(EFA_STATS_ENUM) +}; + +static const char *const efa_device_stats_names[] = { + EFA_DEFINE_DEVICE_STATS(EFA_STATS_STR) +}; + +enum efa_hw_port_stats { + EFA_DEFINE_PORT_STATS(EFA_STATS_ENUM) }; -static const char *const efa_stats_names[] = { - EFA_DEFINE_STATS(EFA_STATS_STR) +static const char *const efa_port_stats_names[] = { + EFA_DEFINE_PORT_STATS(EFA_STATS_STR) }; #define EFA_CHUNK_PAYLOAD_SHIFT 12 @@ -1904,33 +1914,53 @@ int efa_destroy_ah(struct ib_ah *ibah, u32 flags) return 0; } -struct rdma_hw_stats *efa_alloc_hw_port_stats(struct ib_device *ibdev, u32 port_num) +struct rdma_hw_stats *efa_alloc_hw_port_stats(struct ib_device *ibdev, + u32 port_num) { - return rdma_alloc_hw_stats_struct(efa_stats_names, - ARRAY_SIZE(efa_stats_names), + return rdma_alloc_hw_stats_struct(efa_port_stats_names, + ARRAY_SIZE(efa_port_stats_names), RDMA_HW_STATS_DEFAULT_LIFESPAN); } struct rdma_hw_stats *efa_alloc_hw_device_stats(struct ib_device *ibdev) { - /* - * It is probably a bug that efa reports its port stats as device - * stats - */ - return efa_alloc_hw_port_stats(ibdev, 0); + return rdma_alloc_hw_stats_struct(efa_device_stats_names, + ARRAY_SIZE(efa_device_stats_names), + RDMA_HW_STATS_DEFAULT_LIFESPAN); } -int efa_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats, - u32 port_num, int index) +static int efa_fill_device_stats(struct efa_dev *dev, + struct rdma_hw_stats *stats) +{ + struct efa_com_stats_admin *as = &dev->edev.aq.stats; + struct efa_stats *s = &dev->stats; + + stats->value[EFA_SUBMITTED_CMDS] = atomic64_read(&as->submitted_cmd); + stats->value[EFA_COMPLETED_CMDS] = atomic64_read(&as->completed_cmd); + stats->value[EFA_CMDS_ERR] = atomic64_read(&as->cmd_err); + stats->value[EFA_NO_COMPLETION_CMDS] = atomic64_read(&as->no_completion); + + stats->value[EFA_KEEP_ALIVE_RCVD] = atomic64_read(&s->keep_alive_rcvd); + stats->value[EFA_ALLOC_PD_ERR] = atomic64_read(&s->alloc_pd_err); + stats->value[EFA_CREATE_QP_ERR] = atomic64_read(&s->create_qp_err); + stats->value[EFA_CREATE_CQ_ERR] = atomic64_read(&s->create_cq_err); + stats->value[EFA_REG_MR_ERR] = atomic64_read(&s->reg_mr_err); + stats->value[EFA_ALLOC_UCONTEXT_ERR] = + atomic64_read(&s->alloc_ucontext_err); + stats->value[EFA_CREATE_AH_ERR] = atomic64_read(&s->create_ah_err); + stats->value[EFA_MMAP_ERR] = atomic64_read(&s->mmap_err); + + return ARRAY_SIZE(efa_device_stats_names); +} + +static int efa_fill_port_stats(struct efa_dev *dev, struct rdma_hw_stats *stats, + u32 port_num) { struct efa_com_get_stats_params params = {}; union efa_com_get_stats_result result; - struct efa_dev *dev = to_edev(ibdev); struct efa_com_rdma_read_stats *rrs; struct efa_com_messages_stats *ms; struct efa_com_basic_stats *bs; - struct efa_com_stats_admin *as; - struct efa_stats *s; int err; params.scope = EFA_ADMIN_GET_STATS_SCOPE_ALL; @@ -1969,24 +1999,16 @@ int efa_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats, stats->value[EFA_RDMA_READ_WR_ERR] = rrs->read_wr_err; stats->value[EFA_RDMA_READ_RESP_BYTES] = rrs->read_resp_bytes; - as = &dev->edev.aq.stats; - stats->value[EFA_SUBMITTED_CMDS] = atomic64_read(&as->submitted_cmd); - stats->value[EFA_COMPLETED_CMDS] = atomic64_read(&as->completed_cmd); - stats->value[EFA_CMDS_ERR] = atomic64_read(&as->cmd_err); - stats->value[EFA_NO_COMPLETION_CMDS] = atomic64_read(&as->no_completion); - - s = &dev->stats; - stats->value[EFA_KEEP_ALIVE_RCVD] = atomic64_read(&s->keep_alive_rcvd); - stats->value[EFA_ALLOC_PD_ERR] = atomic64_read(&s->alloc_pd_err); - stats->value[EFA_CREATE_QP_ERR] = atomic64_read(&s->create_qp_err); - stats->value[EFA_CREATE_CQ_ERR] = atomic64_read(&s->create_cq_err); - stats->value[EFA_REG_MR_ERR] = atomic64_read(&s->reg_mr_err); - stats->value[EFA_ALLOC_UCONTEXT_ERR] = - atomic64_read(&s->alloc_ucontext_err); - stats->value[EFA_CREATE_AH_ERR] = atomic64_read(&s->create_ah_err); - stats->value[EFA_MMAP_ERR] = atomic64_read(&s->mmap_err); + return ARRAY_SIZE(efa_port_stats_names); +} - return ARRAY_SIZE(efa_stats_names); +int efa_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats, + u32 port_num, int index) +{ + if (port_num) + return efa_fill_port_stats(to_edev(ibdev), stats, port_num); + else + return efa_fill_device_stats(to_edev(ibdev), stats); } enum rdma_link_layer efa_port_link_layer(struct ib_device *ibdev, -- 2.7.4