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path: root/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/debugfs.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/debugfs.c157
1 files changed, 104 insertions, 53 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
index 04854e5fbcd7..3e232a65a0c3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
@@ -30,7 +30,6 @@
* SOFTWARE.
*/
-#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/cq.h>
@@ -99,26 +98,32 @@ void mlx5_unregister_debugfs(void)
debugfs_remove(mlx5_debugfs_root);
}
-void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev)
+struct dentry *mlx5_debugfs_get_dev_root(struct mlx5_core_dev *dev)
{
- atomic_set(&dev->num_qps, 0);
+ return dev->priv.dbg.dbg_root;
+}
+EXPORT_SYMBOL(mlx5_debugfs_get_dev_root);
- dev->priv.qp_debugfs = debugfs_create_dir("QPs", dev->priv.dbg_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.qp_debugfs);
+ 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.eq_debugfs = debugfs_create_dir("EQs", dev->priv.dbg_root);
+ 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.eq_debugfs);
+ debugfs_remove_recursive(dev->priv.dbg.eq_debugfs);
}
static ssize_t average_read(struct file *filp, char __user *buf, size_t count,
@@ -161,6 +166,28 @@ static const struct file_operations stats_fops = {
.write = average_write,
};
+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->bitmask, cmd->max_reg_cmds);
+ field = cmd->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,
+};
+
void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev)
{
struct mlx5_cmd_stats *stats;
@@ -168,10 +195,12 @@ void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev)
const char *namep;
int i;
- cmd = &dev->priv.cmdif_debugfs;
- *cmd = debugfs_create_dir("commands", dev->priv.dbg_root);
+ cmd = &dev->priv.dbg.cmdif_debugfs;
+ *cmd = debugfs_create_dir("commands", dev->priv.dbg.dbg_root);
- for (i = 0; i < ARRAY_SIZE(dev->cmd.stats); i++) {
+ debugfs_create_file("slots_inuse", 0400, *cmd, &dev->cmd, &slots_fops);
+
+ for (i = 0; i < MLX5_CMD_OP_MAX; i++) {
stats = &dev->cmd.stats[i];
namep = mlx5_command_str(i);
if (strcmp(namep, "unknown command opcode")) {
@@ -180,64 +209,94 @@ void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev)
debugfs_create_file("average", 0400, stats->root, stats,
&stats_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)
{
- debugfs_remove_recursive(dev->priv.cmdif_debugfs);
+ debugfs_remove_recursive(dev->priv.dbg.cmdif_debugfs);
}
void mlx5_cq_debugfs_init(struct mlx5_core_dev *dev)
{
- dev->priv.cq_debugfs = debugfs_create_dir("CQs", dev->priv.dbg_root);
+ 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.cq_debugfs);
+ 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.vfs_pages);
+ debugfs_create_u32("fw_pages_host_pf", 0400, pages, &dev->priv.host_pf_pages);
+ 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);
- struct mlx5_qp_context *ctx;
+ u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {};
u64 param = 0;
u32 *out;
+ int state;
+ u32 *qpc;
int err;
- int no_sq;
out = kzalloc(outlen, GFP_KERNEL);
if (!out)
- return param;
+ return 0;
- err = mlx5_core_qp_query(dev, qp, out, outlen);
- if (err) {
- mlx5_core_warn(dev, "failed to query qp err=%d\n", err);
+ 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;
- /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */
- ctx = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, out, qpc);
-
+ qpc = MLX5_ADDR_OF(query_qp_out, out, qpc);
switch (index) {
case QP_PID:
param = qp->pid;
break;
case QP_STATE:
- param = (unsigned long)mlx5_qp_state_str(be32_to_cpu(ctx->flags) >> 28);
+ 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((be32_to_cpu(ctx->flags) >> 16) & 0xff);
+ param = (unsigned long)mlx5_qp_type_str(MLX5_GET(qpc, qpc, st));
*is_str = 1;
break;
case QP_MTU:
- switch (ctx->mtu_msgmax >> 5) {
+ switch (MLX5_GET(qpc, qpc, mtu)) {
case IB_MTU_256:
param = 256;
break;
@@ -258,46 +317,32 @@ static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
}
break;
case QP_N_RECV:
- param = 1 << ((ctx->rq_size_stride >> 3) & 0xf);
+ param = 1 << MLX5_GET(qpc, qpc, log_rq_size);
break;
case QP_RECV_SZ:
- param = 1 << ((ctx->rq_size_stride & 7) + 4);
+ param = 1 << (MLX5_GET(qpc, qpc, log_rq_stride) + 4);
break;
case QP_N_SEND:
- no_sq = be16_to_cpu(ctx->sq_crq_size) >> 15;
- if (!no_sq)
- param = 1 << (be16_to_cpu(ctx->sq_crq_size) >> 11);
- else
- param = 0;
+ if (!MLX5_GET(qpc, qpc, no_sq))
+ param = 1 << MLX5_GET(qpc, qpc, log_sq_size);
break;
case QP_LOG_PG_SZ:
- param = (be32_to_cpu(ctx->log_pg_sz_remote_qpn) >> 24) & 0x1f;
- param += 12;
+ param = MLX5_GET(qpc, qpc, log_page_size) + 12;
break;
case QP_RQPN:
- param = be32_to_cpu(ctx->log_pg_sz_remote_qpn) & 0xffffff;
+ param = MLX5_GET(qpc, qpc, remote_qpn);
break;
}
-
out:
kfree(out);
return param;
}
-static int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
- u32 *out, int outlen)
-{
- u32 in[MLX5_ST_SZ_DW(query_eq_in)] = {};
-
- MLX5_SET(query_eq_in, in, opcode, MLX5_CMD_OP_QUERY_EQ);
- MLX5_SET(query_eq_in, in, eq_number, eq->eqn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
-}
-
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;
@@ -307,7 +352,9 @@ static u64 eq_read_field(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
if (!out)
return param;
- err = mlx5_core_eq_query(dev, eq, out, outlen);
+ 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;
@@ -344,7 +391,7 @@ static u64 cq_read_field(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
if (!out)
return param;
- err = mlx5_core_query_cq(dev, cq, out, outlen);
+ err = mlx5_core_query_cq(dev, cq, out);
if (err) {
mlx5_core_warn(dev, "failed to query cq\n");
goto out;
@@ -453,7 +500,7 @@ int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp)
if (!mlx5_debugfs_root)
return 0;
- err = add_res_tree(dev, MLX5_DBG_RSC_QP, dev->priv.qp_debugfs,
+ 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)
@@ -461,6 +508,7 @@ int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp)
return err;
}
+EXPORT_SYMBOL(mlx5_debug_qp_add);
void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp)
{
@@ -470,6 +518,7 @@ void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp)
if (qp->dbg)
rem_res_tree(qp->dbg);
}
+EXPORT_SYMBOL(mlx5_debug_qp_remove);
int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
{
@@ -478,7 +527,7 @@ int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
if (!mlx5_debugfs_root)
return 0;
- err = add_res_tree(dev, MLX5_DBG_RSC_EQ, dev->priv.eq_debugfs,
+ 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)
@@ -503,7 +552,7 @@ int mlx5_debug_cq_add(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq)
if (!mlx5_debugfs_root)
return 0;
- err = add_res_tree(dev, MLX5_DBG_RSC_CQ, dev->priv.cq_debugfs,
+ 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)
@@ -517,6 +566,8 @@ void mlx5_debug_cq_remove(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq)
if (!mlx5_debugfs_root)
return;
- if (cq->dbg)
+ if (cq->dbg) {
rem_res_tree(cq->dbg);
+ cq->dbg = NULL;
+ }
}
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