Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Eli Cohen | 2083 | 70.68% | 3 | 8.11% |
Saeed Mahameed | 165 | 5.60% | 8 | 21.62% |
Moshe Shemesh | 162 | 5.50% | 5 | 13.51% |
Shay Drory | 139 | 4.72% | 2 | 5.41% |
Leon Romanovsky | 136 | 4.61% | 4 | 10.81% |
Tariq Toukan | 134 | 4.55% | 2 | 5.41% |
Arnd Bergmann | 28 | 0.95% | 2 | 5.41% |
Maher Sanalla | 27 | 0.92% | 2 | 5.41% |
Daniel Jurgens | 19 | 0.64% | 1 | 2.70% |
Jann Horn | 18 | 0.61% | 1 | 2.70% |
Patrisious Haddad | 9 | 0.31% | 1 | 2.70% |
Valentine Fatiev | 8 | 0.27% | 1 | 2.70% |
Bodong Wang | 7 | 0.24% | 2 | 5.41% |
Kees Cook | 4 | 0.14% | 1 | 2.70% |
Greg Kroah-Hartman | 4 | 0.14% | 1 | 2.70% |
Tim Gardner | 4 | 0.14% | 1 | 2.70% |
Total | 2947 | 37 |
/* * Copyright (c) 2013-2015, Mellanox Technologies. 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. */ #include <linux/debugfs.h> #include <linux/mlx5/qp.h> #include <linux/mlx5/cq.h> #include <linux/mlx5/driver.h> #include "mlx5_core.h" #include "lib/eq.h" enum { QP_PID, QP_STATE, QP_XPORT, QP_MTU, QP_N_RECV, QP_RECV_SZ, QP_N_SEND, QP_LOG_PG_SZ, QP_RQPN, }; static char *qp_fields[] = { [QP_PID] = "pid", [QP_STATE] = "state", [QP_XPORT] = "transport", [QP_MTU] = "mtu", [QP_N_RECV] = "num_recv", [QP_RECV_SZ] = "rcv_wqe_sz", [QP_N_SEND] = "num_send", [QP_LOG_PG_SZ] = "log2_page_sz", [QP_RQPN] = "remote_qpn", }; enum { EQ_NUM_EQES, EQ_INTR, EQ_LOG_PG_SZ, }; static char *eq_fields[] = { [EQ_NUM_EQES] = "num_eqes", [EQ_INTR] = "intr", [EQ_LOG_PG_SZ] = "log_page_size", }; enum { CQ_PID, CQ_NUM_CQES, CQ_LOG_PG_SZ, }; static char *cq_fields[] = { [CQ_PID] = "pid", [CQ_NUM_CQES] = "num_cqes", [CQ_LOG_PG_SZ] = "log_page_size", }; struct dentry *mlx5_debugfs_root; EXPORT_SYMBOL(mlx5_debugfs_root); void mlx5_register_debugfs(void) { mlx5_debugfs_root = debugfs_create_dir("mlx5", NULL); } void mlx5_unregister_debugfs(void) { debugfs_remove(mlx5_debugfs_root); } struct dentry *mlx5_debugfs_get_dev_root(struct mlx5_core_dev *dev) { return dev->priv.dbg.dbg_root; } EXPORT_SYMBOL(mlx5_debugfs_get_dev_root); void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev) { dev->priv.dbg.qp_debugfs = debugfs_create_dir("QPs", dev->priv.dbg.dbg_root); } EXPORT_SYMBOL(mlx5_qp_debugfs_init); void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev) { debugfs_remove_recursive(dev->priv.dbg.qp_debugfs); } EXPORT_SYMBOL(mlx5_qp_debugfs_cleanup); void mlx5_eq_debugfs_init(struct mlx5_core_dev *dev) { dev->priv.dbg.eq_debugfs = debugfs_create_dir("EQs", dev->priv.dbg.dbg_root); } void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev) { debugfs_remove_recursive(dev->priv.dbg.eq_debugfs); } static ssize_t average_read(struct file *filp, char __user *buf, size_t count, loff_t *pos) { struct mlx5_cmd_stats *stats; u64 field = 0; int ret; char tbuf[22]; stats = filp->private_data; spin_lock_irq(&stats->lock); if (stats->n) field = div64_u64(stats->sum, stats->n); spin_unlock_irq(&stats->lock); ret = snprintf(tbuf, sizeof(tbuf), "%llu\n", field); return simple_read_from_buffer(buf, count, pos, tbuf, ret); } static ssize_t reset_write(struct file *filp, const char __user *buf, size_t count, loff_t *pos) { struct mlx5_cmd_stats *stats; stats = filp->private_data; spin_lock_irq(&stats->lock); stats->sum = 0; stats->n = 0; stats->failed = 0; stats->failed_mbox_status = 0; stats->last_failed_errno = 0; stats->last_failed_mbox_status = 0; stats->last_failed_syndrome = 0; spin_unlock_irq(&stats->lock); *pos += count; return count; } static const struct file_operations reset_fops = { .owner = THIS_MODULE, .open = simple_open, .write = reset_write, }; static const struct file_operations average_fops = { .owner = THIS_MODULE, .open = simple_open, .read = average_read, }; static ssize_t slots_read(struct file *filp, char __user *buf, size_t count, loff_t *pos) { struct mlx5_cmd *cmd; char tbuf[6]; int weight; int field; int ret; cmd = filp->private_data; weight = bitmap_weight(&cmd->vars.bitmask, cmd->vars.max_reg_cmds); field = cmd->vars.max_reg_cmds - weight; ret = snprintf(tbuf, sizeof(tbuf), "%d\n", field); return simple_read_from_buffer(buf, count, pos, tbuf, ret); } static const struct file_operations slots_fops = { .owner = THIS_MODULE, .open = simple_open, .read = slots_read, }; static struct mlx5_cmd_stats * mlx5_cmdif_alloc_stats(struct xarray *stats_xa, int opcode) { struct mlx5_cmd_stats *stats = kzalloc(sizeof(*stats), GFP_KERNEL); int err; if (!stats) return NULL; err = xa_insert(stats_xa, opcode, stats, GFP_KERNEL); if (err) { kfree(stats); return NULL; } spin_lock_init(&stats->lock); return stats; } void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev) { struct mlx5_cmd_stats *stats; struct dentry **cmd; const char *namep; int i; cmd = &dev->priv.dbg.cmdif_debugfs; *cmd = debugfs_create_dir("commands", dev->priv.dbg.dbg_root); debugfs_create_file("slots_inuse", 0400, *cmd, &dev->cmd, &slots_fops); xa_init(&dev->cmd.stats); for (i = 0; i < MLX5_CMD_OP_MAX; i++) { namep = mlx5_command_str(i); if (strcmp(namep, "unknown command opcode")) { stats = mlx5_cmdif_alloc_stats(&dev->cmd.stats, i); if (!stats) continue; stats->root = debugfs_create_dir(namep, *cmd); debugfs_create_file("reset", 0200, stats->root, stats, &reset_fops); debugfs_create_file("average", 0400, stats->root, stats, &average_fops); debugfs_create_u64("n", 0400, stats->root, &stats->n); debugfs_create_u64("failed", 0400, stats->root, &stats->failed); debugfs_create_u64("failed_mbox_status", 0400, stats->root, &stats->failed_mbox_status); debugfs_create_u32("last_failed_errno", 0400, stats->root, &stats->last_failed_errno); debugfs_create_u8("last_failed_mbox_status", 0400, stats->root, &stats->last_failed_mbox_status); debugfs_create_x32("last_failed_syndrome", 0400, stats->root, &stats->last_failed_syndrome); } } } void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev) { struct mlx5_cmd_stats *stats; unsigned long i; debugfs_remove_recursive(dev->priv.dbg.cmdif_debugfs); xa_for_each(&dev->cmd.stats, i, stats) kfree(stats); xa_destroy(&dev->cmd.stats); } void mlx5_cq_debugfs_init(struct mlx5_core_dev *dev) { dev->priv.dbg.cq_debugfs = debugfs_create_dir("CQs", dev->priv.dbg.dbg_root); } void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev) { debugfs_remove_recursive(dev->priv.dbg.cq_debugfs); } void mlx5_pages_debugfs_init(struct mlx5_core_dev *dev) { struct dentry *pages; dev->priv.dbg.pages_debugfs = debugfs_create_dir("pages", dev->priv.dbg.dbg_root); pages = dev->priv.dbg.pages_debugfs; debugfs_create_u32("fw_pages_total", 0400, pages, &dev->priv.fw_pages); debugfs_create_u32("fw_pages_vfs", 0400, pages, &dev->priv.page_counters[MLX5_VF]); debugfs_create_u32("fw_pages_ec_vfs", 0400, pages, &dev->priv.page_counters[MLX5_EC_VF]); debugfs_create_u32("fw_pages_sfs", 0400, pages, &dev->priv.page_counters[MLX5_SF]); debugfs_create_u32("fw_pages_host_pf", 0400, pages, &dev->priv.page_counters[MLX5_HOST_PF]); debugfs_create_u32("fw_pages_alloc_failed", 0400, pages, &dev->priv.fw_pages_alloc_failed); debugfs_create_u32("fw_pages_give_dropped", 0400, pages, &dev->priv.give_pages_dropped); debugfs_create_u32("fw_pages_reclaim_discard", 0400, pages, &dev->priv.reclaim_pages_discard); } void mlx5_pages_debugfs_cleanup(struct mlx5_core_dev *dev) { debugfs_remove_recursive(dev->priv.dbg.pages_debugfs); } static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, int index, int *is_str) { int outlen = MLX5_ST_SZ_BYTES(query_qp_out); u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {}; u64 param = 0; u32 *out; int state; u32 *qpc; int err; out = kzalloc(outlen, GFP_KERNEL); if (!out) return 0; MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP); MLX5_SET(query_qp_in, in, qpn, qp->qpn); err = mlx5_cmd_exec_inout(dev, query_qp, in, out); if (err) goto out; *is_str = 0; qpc = MLX5_ADDR_OF(query_qp_out, out, qpc); switch (index) { case QP_PID: param = qp->pid; break; case QP_STATE: state = MLX5_GET(qpc, qpc, state); param = (unsigned long)mlx5_qp_state_str(state); *is_str = 1; break; case QP_XPORT: param = (unsigned long)mlx5_qp_type_str(MLX5_GET(qpc, qpc, st)); *is_str = 1; break; case QP_MTU: switch (MLX5_GET(qpc, qpc, mtu)) { case IB_MTU_256: param = 256; break; case IB_MTU_512: param = 512; break; case IB_MTU_1024: param = 1024; break; case IB_MTU_2048: param = 2048; break; case IB_MTU_4096: param = 4096; break; default: param = 0; } break; case QP_N_RECV: param = 1 << MLX5_GET(qpc, qpc, log_rq_size); break; case QP_RECV_SZ: param = 1 << (MLX5_GET(qpc, qpc, log_rq_stride) + 4); break; case QP_N_SEND: if (!MLX5_GET(qpc, qpc, no_sq)) param = 1 << MLX5_GET(qpc, qpc, log_sq_size); break; case QP_LOG_PG_SZ: param = MLX5_GET(qpc, qpc, log_page_size) + 12; break; case QP_RQPN: param = MLX5_GET(qpc, qpc, remote_qpn); break; } out: kfree(out); return param; } static u64 eq_read_field(struct mlx5_core_dev *dev, struct mlx5_eq *eq, int index) { int outlen = MLX5_ST_SZ_BYTES(query_eq_out); u32 in[MLX5_ST_SZ_DW(query_eq_in)] = {}; u64 param = 0; void *ctx; u32 *out; int err; out = kzalloc(outlen, GFP_KERNEL); if (!out) return param; MLX5_SET(query_eq_in, in, opcode, MLX5_CMD_OP_QUERY_EQ); MLX5_SET(query_eq_in, in, eq_number, eq->eqn); err = mlx5_cmd_exec_inout(dev, query_eq, in, out); if (err) { mlx5_core_warn(dev, "failed to query eq\n"); goto out; } ctx = MLX5_ADDR_OF(query_eq_out, out, eq_context_entry); switch (index) { case EQ_NUM_EQES: param = 1 << MLX5_GET(eqc, ctx, log_eq_size); break; case EQ_INTR: param = MLX5_GET(eqc, ctx, intr); break; case EQ_LOG_PG_SZ: param = MLX5_GET(eqc, ctx, log_page_size) + 12; break; } out: kfree(out); return param; } static u64 cq_read_field(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, int index) { int outlen = MLX5_ST_SZ_BYTES(query_cq_out); u64 param = 0; void *ctx; u32 *out; int err; out = kvzalloc(outlen, GFP_KERNEL); if (!out) return param; err = mlx5_core_query_cq(dev, cq, out); if (err) { mlx5_core_warn(dev, "failed to query cq\n"); goto out; } ctx = MLX5_ADDR_OF(query_cq_out, out, cq_context); switch (index) { case CQ_PID: param = cq->pid; break; case CQ_NUM_CQES: param = 1 << MLX5_GET(cqc, ctx, log_cq_size); break; case CQ_LOG_PG_SZ: param = MLX5_GET(cqc, ctx, log_page_size); break; } out: kvfree(out); return param; } static ssize_t dbg_read(struct file *filp, char __user *buf, size_t count, loff_t *pos) { struct mlx5_field_desc *desc; struct mlx5_rsc_debug *d; char tbuf[18]; int is_str = 0; u64 field; int ret; desc = filp->private_data; d = (void *)(desc - desc->i) - sizeof(*d); switch (d->type) { case MLX5_DBG_RSC_QP: field = qp_read_field(d->dev, d->object, desc->i, &is_str); break; case MLX5_DBG_RSC_EQ: field = eq_read_field(d->dev, d->object, desc->i); break; case MLX5_DBG_RSC_CQ: field = cq_read_field(d->dev, d->object, desc->i); break; default: mlx5_core_warn(d->dev, "invalid resource type %d\n", d->type); return -EINVAL; } if (is_str) ret = snprintf(tbuf, sizeof(tbuf), "%s\n", (const char *)(unsigned long)field); else ret = snprintf(tbuf, sizeof(tbuf), "0x%llx\n", field); return simple_read_from_buffer(buf, count, pos, tbuf, ret); } static const struct file_operations fops = { .owner = THIS_MODULE, .open = simple_open, .read = dbg_read, }; static int add_res_tree(struct mlx5_core_dev *dev, enum dbg_rsc_type type, struct dentry *root, struct mlx5_rsc_debug **dbg, int rsn, char **field, int nfile, void *data) { struct mlx5_rsc_debug *d; char resn[32]; int i; d = kzalloc(struct_size(d, fields, nfile), GFP_KERNEL); if (!d) return -ENOMEM; d->dev = dev; d->object = data; d->type = type; sprintf(resn, "0x%x", rsn); d->root = debugfs_create_dir(resn, root); for (i = 0; i < nfile; i++) { d->fields[i].i = i; debugfs_create_file(field[i], 0400, d->root, &d->fields[i], &fops); } *dbg = d; return 0; } static void rem_res_tree(struct mlx5_rsc_debug *d) { debugfs_remove_recursive(d->root); kfree(d); } int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp) { int err; if (!mlx5_debugfs_root) return 0; err = add_res_tree(dev, MLX5_DBG_RSC_QP, dev->priv.dbg.qp_debugfs, &qp->dbg, qp->qpn, qp_fields, ARRAY_SIZE(qp_fields), qp); if (err) qp->dbg = NULL; return err; } EXPORT_SYMBOL(mlx5_debug_qp_add); void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp) { if (!mlx5_debugfs_root || !qp->dbg) return; rem_res_tree(qp->dbg); qp->dbg = NULL; } EXPORT_SYMBOL(mlx5_debug_qp_remove); int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq) { int err; if (!mlx5_debugfs_root) return 0; err = add_res_tree(dev, MLX5_DBG_RSC_EQ, dev->priv.dbg.eq_debugfs, &eq->dbg, eq->eqn, eq_fields, ARRAY_SIZE(eq_fields), eq); if (err) eq->dbg = NULL; return err; } void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq) { if (!mlx5_debugfs_root) return; if (eq->dbg) rem_res_tree(eq->dbg); } int mlx5_debug_cq_add(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq) { int err; if (!mlx5_debugfs_root) return 0; err = add_res_tree(dev, MLX5_DBG_RSC_CQ, dev->priv.dbg.cq_debugfs, &cq->dbg, cq->cqn, cq_fields, ARRAY_SIZE(cq_fields), cq); if (err) cq->dbg = NULL; return err; } void mlx5_debug_cq_remove(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq) { if (!mlx5_debugfs_root) return; if (cq->dbg) { rem_res_tree(cq->dbg); cq->dbg = NULL; } }
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