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net/mlx5: Pages management commands via mlx5 ifc
Remove old representation of manually created Pages management commands layout, and use mlx5_ifc canonical structures and defines. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Saeed Mahameed
Leon Romanovsky
parent
20bb566bda
commit
a533ed5e17
@ -44,12 +44,6 @@ enum {
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MLX5_PAGES_TAKE = 2
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};
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enum {
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MLX5_BOOT_PAGES = 1,
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MLX5_INIT_PAGES = 2,
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MLX5_POST_INIT_PAGES = 3
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};
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struct mlx5_pages_req {
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struct mlx5_core_dev *dev;
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u16 func_id;
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@ -67,33 +61,6 @@ struct fw_page {
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unsigned free_count;
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};
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struct mlx5_query_pages_inbox {
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struct mlx5_inbox_hdr hdr;
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u8 rsvd[8];
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};
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struct mlx5_query_pages_outbox {
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struct mlx5_outbox_hdr hdr;
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__be16 rsvd;
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__be16 func_id;
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__be32 num_pages;
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};
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struct mlx5_manage_pages_inbox {
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struct mlx5_inbox_hdr hdr;
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__be16 rsvd;
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__be16 func_id;
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__be32 num_entries;
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__be64 pas[0];
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};
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struct mlx5_manage_pages_outbox {
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struct mlx5_outbox_hdr hdr;
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__be32 num_entries;
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u8 rsvd[4];
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__be64 pas[0];
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};
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enum {
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MAX_RECLAIM_TIME_MSECS = 5000,
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MAX_RECLAIM_VFS_PAGES_TIME_MSECS = 2 * 1000 * 60,
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@ -167,24 +134,22 @@ static struct fw_page *find_fw_page(struct mlx5_core_dev *dev, u64 addr)
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static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
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s32 *npages, int boot)
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{
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struct mlx5_query_pages_inbox in;
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struct mlx5_query_pages_outbox out;
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u32 out[MLX5_ST_SZ_DW(query_pages_out)] = {0};
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u32 in[MLX5_ST_SZ_DW(query_pages_in)] = {0};
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int err;
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memset(&in, 0, sizeof(in));
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memset(&out, 0, sizeof(out));
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in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_PAGES);
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in.hdr.opmod = boot ? cpu_to_be16(MLX5_BOOT_PAGES) : cpu_to_be16(MLX5_INIT_PAGES);
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MLX5_SET(query_pages_in, in, opcode, MLX5_CMD_OP_QUERY_PAGES);
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MLX5_SET(query_pages_in, in, op_mod, boot ?
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MLX5_QUERY_PAGES_IN_OP_MOD_BOOT_PAGES :
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MLX5_QUERY_PAGES_IN_OP_MOD_INIT_PAGES);
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err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
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err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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err = err ? : mlx5_cmd_status_to_err_v2(out);
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if (err)
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return err;
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if (out.hdr.status)
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return mlx5_cmd_status_to_err(&out.hdr);
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*npages = be32_to_cpu(out.num_pages);
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*func_id = be16_to_cpu(out.func_id);
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*npages = MLX5_GET(query_pages_out, out, num_pages);
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*func_id = MLX5_GET(query_pages_out, out, function_id);
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return err;
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}
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@ -280,46 +245,37 @@ out_alloc:
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static void page_notify_fail(struct mlx5_core_dev *dev, u16 func_id)
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{
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struct mlx5_manage_pages_inbox *in;
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struct mlx5_manage_pages_outbox out;
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u32 out[MLX5_ST_SZ_DW(manage_pages_out)] = {0};
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u32 in[MLX5_ST_SZ_DW(manage_pages_in)] = {0};
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int err;
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in = kzalloc(sizeof(*in), GFP_KERNEL);
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if (!in)
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return;
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memset(&out, 0, sizeof(out));
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in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES);
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in->hdr.opmod = cpu_to_be16(MLX5_PAGES_CANT_GIVE);
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in->func_id = cpu_to_be16(func_id);
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err = mlx5_cmd_exec(dev, in, sizeof(*in), &out, sizeof(out));
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if (!err)
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err = mlx5_cmd_status_to_err(&out.hdr);
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MLX5_SET(manage_pages_in, in, opcode, MLX5_CMD_OP_MANAGE_PAGES);
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MLX5_SET(manage_pages_in, in, op_mod, MLX5_PAGES_CANT_GIVE);
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MLX5_SET(manage_pages_in, in, function_id, func_id);
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err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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err = err ? : mlx5_cmd_status_to_err_v2(out);
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if (err)
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mlx5_core_warn(dev, "page notify failed\n");
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kfree(in);
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mlx5_core_warn(dev, "page notify failed func_id(%d) err(%d)\n",
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func_id, err);
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}
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static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
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int notify_fail)
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{
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struct mlx5_manage_pages_inbox *in;
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struct mlx5_manage_pages_outbox out;
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int inlen;
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u32 out[MLX5_ST_SZ_DW(manage_pages_out)] = {0};
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int inlen = MLX5_ST_SZ_BYTES(manage_pages_in);
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u64 addr;
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int err;
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u32 *in;
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int i;
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inlen = sizeof(*in) + npages * sizeof(in->pas[0]);
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inlen += npages * MLX5_FLD_SZ_BYTES(manage_pages_in, pas[0]);
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in = mlx5_vzalloc(inlen);
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if (!in) {
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err = -ENOMEM;
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mlx5_core_warn(dev, "vzalloc failed %d\n", inlen);
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goto out_free;
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}
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memset(&out, 0, sizeof(out));
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for (i = 0; i < npages; i++) {
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retry:
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@ -332,27 +288,22 @@ retry:
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goto retry;
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}
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in->pas[i] = cpu_to_be64(addr);
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MLX5_SET64(manage_pages_in, in, pas[i], addr);
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}
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in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES);
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in->hdr.opmod = cpu_to_be16(MLX5_PAGES_GIVE);
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in->func_id = cpu_to_be16(func_id);
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in->num_entries = cpu_to_be32(npages);
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err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out));
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MLX5_SET(manage_pages_in, in, opcode, MLX5_CMD_OP_MANAGE_PAGES);
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MLX5_SET(manage_pages_in, in, op_mod, MLX5_PAGES_GIVE);
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MLX5_SET(manage_pages_in, in, function_id, func_id);
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MLX5_SET(manage_pages_in, in, input_num_entries, npages);
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err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
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err = err ? : mlx5_cmd_status_to_err_v2(out);
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if (err) {
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mlx5_core_warn(dev, "func_id 0x%x, npages %d, err %d\n",
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func_id, npages, err);
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goto out_4k;
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}
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err = mlx5_cmd_status_to_err(&out.hdr);
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if (err) {
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mlx5_core_warn(dev, "func_id 0x%x, npages %d, status %d\n",
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func_id, npages, out.hdr.status);
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goto out_4k;
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}
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dev->priv.fw_pages += npages;
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if (func_id)
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dev->priv.vfs_pages += npages;
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@ -364,7 +315,7 @@ retry:
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out_4k:
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for (i--; i >= 0; i--)
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free_4k(dev, be64_to_cpu(in->pas[i]));
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free_4k(dev, MLX5_GET64(manage_pages_in, in, pas[i]));
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out_free:
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kvfree(in);
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if (notify_fail)
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@ -373,64 +324,65 @@ out_free:
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}
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static int reclaim_pages_cmd(struct mlx5_core_dev *dev,
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struct mlx5_manage_pages_inbox *in, int in_size,
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struct mlx5_manage_pages_outbox *out, int out_size)
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u32 *in, int in_size, u32 *out, int out_size)
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{
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struct fw_page *fwp;
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struct rb_node *p;
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u32 npages;
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u32 i = 0;
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if (dev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR)
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return mlx5_cmd_exec_check_status(dev, (u32 *)in, in_size,
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(u32 *)out, out_size);
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if (dev->state != MLX5_DEVICE_STATE_INTERNAL_ERROR) {
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int err = mlx5_cmd_exec(dev, in, in_size, out, out_size);
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npages = be32_to_cpu(in->num_entries);
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return err ? : mlx5_cmd_status_to_err_v2(out);
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}
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/* No hard feelings, we want our pages back! */
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npages = MLX5_GET(manage_pages_in, in, input_num_entries);
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p = rb_first(&dev->priv.page_root);
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while (p && i < npages) {
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fwp = rb_entry(p, struct fw_page, rb_node);
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out->pas[i] = cpu_to_be64(fwp->addr);
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MLX5_SET64(manage_pages_out, out, pas[i], fwp->addr);
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p = rb_next(p);
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i++;
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}
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out->num_entries = cpu_to_be32(i);
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MLX5_SET(manage_pages_out, out, output_num_entries, i);
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return 0;
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}
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static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
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int *nclaimed)
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{
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struct mlx5_manage_pages_inbox in;
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struct mlx5_manage_pages_outbox *out;
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int outlen = MLX5_ST_SZ_BYTES(manage_pages_out);
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u32 in[MLX5_ST_SZ_DW(manage_pages_in)] = {0};
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int num_claimed;
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int outlen;
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u64 addr;
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u32 *out;
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int err;
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int i;
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if (nclaimed)
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*nclaimed = 0;
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memset(&in, 0, sizeof(in));
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outlen = sizeof(*out) + npages * sizeof(out->pas[0]);
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outlen += npages * MLX5_FLD_SZ_BYTES(manage_pages_out, pas[0]);
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out = mlx5_vzalloc(outlen);
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if (!out)
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return -ENOMEM;
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in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES);
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in.hdr.opmod = cpu_to_be16(MLX5_PAGES_TAKE);
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in.func_id = cpu_to_be16(func_id);
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in.num_entries = cpu_to_be32(npages);
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MLX5_SET(manage_pages_in, in, opcode, MLX5_CMD_OP_MANAGE_PAGES);
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MLX5_SET(manage_pages_in, in, op_mod, MLX5_PAGES_TAKE);
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MLX5_SET(manage_pages_in, in, function_id, func_id);
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MLX5_SET(manage_pages_in, in, input_num_entries, npages);
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mlx5_core_dbg(dev, "npages %d, outlen %d\n", npages, outlen);
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err = reclaim_pages_cmd(dev, &in, sizeof(in), out, outlen);
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err = reclaim_pages_cmd(dev, in, sizeof(in), out, outlen);
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if (err) {
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mlx5_core_err(dev, "failed reclaiming pages: err %d\n", err);
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goto out_free;
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}
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num_claimed = be32_to_cpu(out->num_entries);
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num_claimed = MLX5_GET(manage_pages_out, out, output_num_entries);
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if (num_claimed > npages) {
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mlx5_core_warn(dev, "fw returned %d, driver asked %d => corruption\n",
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num_claimed, npages);
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@ -438,10 +390,9 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
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goto out_free;
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}
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for (i = 0; i < num_claimed; i++) {
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addr = be64_to_cpu(out->pas[i]);
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free_4k(dev, addr);
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}
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for (i = 0; i < num_claimed; i++)
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free_4k(dev, MLX5_GET64(manage_pages_out, out, pas[i]));
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if (nclaimed)
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*nclaimed = num_claimed;
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@ -518,8 +469,8 @@ static int optimal_reclaimed_pages(void)
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int ret;
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ret = (sizeof(lay->out) + MLX5_BLKS_FOR_RECLAIM_PAGES * sizeof(block->data) -
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sizeof(struct mlx5_manage_pages_outbox)) /
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FIELD_SIZEOF(struct mlx5_manage_pages_outbox, pas[0]);
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MLX5_ST_SZ_BYTES(manage_pages_out)) /
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MLX5_FLD_SZ_BYTES(manage_pages_out, pas[0]);
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return ret;
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}
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