diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index f6b5451328fc..60596357bfc7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -32,7 +32,6 @@ #include <linux/highmem.h> #include <linux/kernel.h> -#include <linux/module.h> #include <linux/delay.h> #include <linux/mlx5/driver.h> #include <linux/xarray.h> @@ -327,11 +326,12 @@ static void page_notify_fail(struct mlx5_core_dev *dev, u16 func_id, } static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages, - int notify_fail, bool ec_function) + int event, bool ec_function) { u32 function = get_function(func_id, ec_function); u32 out[MLX5_ST_SZ_DW(manage_pages_out)] = {0}; int inlen = MLX5_ST_SZ_BYTES(manage_pages_in); + int notify_fail = event; u64 addr; int err; u32 *in; @@ -351,8 +351,10 @@ retry: if (err) { if (err == -ENOMEM) err = alloc_system_page(dev, function); - if (err) + if (err) { + dev->priv.fw_pages_alloc_failed += (npages - i); goto out_4k; + } goto retry; } @@ -365,11 +367,20 @@ retry: MLX5_SET(manage_pages_in, in, input_num_entries, npages); MLX5_SET(manage_pages_in, in, embedded_cpu_function, ec_function); - err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out)); + err = mlx5_cmd_do(dev, in, inlen, out, sizeof(out)); + if (err == -EREMOTEIO) { + notify_fail = 0; + /* if triggered by FW and failed by FW ignore */ + if (event) { + err = 0; + goto out_dropped; + } + } + err = mlx5_cmd_check(dev, err, in, out); if (err) { mlx5_core_warn(dev, "func_id 0x%x, npages %d, err %d\n", func_id, npages, err); - goto out_4k; + goto out_dropped; } dev->priv.fw_pages += npages; @@ -384,6 +395,8 @@ retry: kvfree(in); return 0; +out_dropped: + dev->priv.give_pages_dropped += npages; out_4k: for (i--; i >= 0; i--) free_4k(dev, MLX5_GET64(manage_pages_in, in, pas[i]), function); @@ -455,7 +468,7 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev, u32 i = 0; if (!mlx5_cmd_is_down(dev)) - return mlx5_cmd_exec(dev, in, in_size, out, out_size); + return mlx5_cmd_do(dev, in, in_size, out, out_size); /* No hard feelings, we want our pages back! */ npages = MLX5_GET(manage_pages_in, in, input_num_entries); @@ -479,7 +492,7 @@ static int reclaim_pages_cmd(struct mlx5_core_dev *dev, } static int reclaim_pages(struct mlx5_core_dev *dev, u16 func_id, int npages, - int *nclaimed, bool ec_function) + int *nclaimed, bool event, bool ec_function) { u32 function = get_function(func_id, ec_function); int outlen = MLX5_ST_SZ_BYTES(manage_pages_out); @@ -507,6 +520,17 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u16 func_id, int npages, func_id, npages, outlen); err = reclaim_pages_cmd(dev, in, sizeof(in), out, outlen); if (err) { + npages = MLX5_GET(manage_pages_in, in, input_num_entries); + dev->priv.reclaim_pages_discard += npages; + } + /* if triggered by FW event and failed by FW then ignore */ + if (event && err == -EREMOTEIO) { + err = 0; + goto out_free; + } + + err = mlx5_cmd_check(dev, err, in, out); + if (err) { mlx5_core_err(dev, "failed reclaiming pages: err %d\n", err); goto out_free; } @@ -546,7 +570,7 @@ static void pages_work_handler(struct work_struct *work) release_all_pages(dev, req->func_id, req->ec_function); else if (req->npages < 0) err = reclaim_pages(dev, req->func_id, -1 * req->npages, NULL, - req->ec_function); + true, req->ec_function); else if (req->npages > 0) err = give_pages(dev, req->func_id, req->npages, 1, req->ec_function); @@ -645,7 +669,7 @@ static int mlx5_reclaim_root_pages(struct mlx5_core_dev *dev, int err; err = reclaim_pages(dev, func_id, optimal_reclaimed_pages(), - &nclaimed, mlx5_core_is_ecpf(dev)); + &nclaimed, false, mlx5_core_is_ecpf(dev)); if (err) { mlx5_core_warn(dev, "failed reclaiming pages (%d) for func id 0x%x\n", err, func_id); @@ -700,12 +724,14 @@ int mlx5_pagealloc_init(struct mlx5_core_dev *dev) return -ENOMEM; xa_init(&dev->priv.page_root_xa); + mlx5_pages_debugfs_init(dev); return 0; } void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev) { + mlx5_pages_debugfs_cleanup(dev); xa_destroy(&dev->priv.page_root_xa); destroy_workqueue(dev->priv.pg_wq); } |