int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
struct mlx5_core_mkey *mkey,
struct mlx5_create_mkey_mbox_in *in, int inlen,
mlx5_cmd_cbk_t callback, void *context,
struct mlx5_create_mkey_mbox_out *out)
{
struct mlx5_mkey_table *table = &dev->priv.mkey_table;
struct mlx5_create_mkey_mbox_out lout;
int err;
u8 key;
memset(&lout, 0, sizeof(lout));
spin_lock_irq(&dev->priv.mkey_lock);
key = dev->priv.mkey_key++;
spin_unlock_irq(&dev->priv.mkey_lock);
in->seg.qpn_mkey7_0 |= cpu_to_be32(key);
in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_CREATE_MKEY);
if (callback) {
err = mlx5_cmd_exec_cb(dev, in, inlen, out, sizeof(*out),
callback, context);
return err;
} else {
err = mlx5_cmd_exec(dev, in, inlen, &lout, sizeof(lout));
}
if (err) {
mlx5_core_dbg(dev, "cmd exec failed %d\n", err);
return err;
}
if (lout.hdr.status) {
mlx5_core_dbg(dev, "status %d\n", lout.hdr.status);
return mlx5_cmd_status_to_err(&lout.hdr);
}
mkey->iova = be64_to_cpu(in->seg.start_addr);
mkey->size = be64_to_cpu(in->seg.len);
mkey->key = mlx5_idx_to_mkey(be32_to_cpu(lout.mkey) & 0xffffff) | key;
mkey->pd = be32_to_cpu(in->seg.flags_pd) & 0xffffff;
mlx5_core_dbg(dev, "out 0x%x, key 0x%x, mkey 0x%x\n",
be32_to_cpu(lout.mkey), key, mkey->key);
/* connect to mkey tree */
write_lock_irq(&table->lock);
err = radix_tree_insert(&table->tree, mlx5_base_mkey(mkey->key), mkey);
write_unlock_irq(&table->lock);
if (err) {
mlx5_core_warn(dev, "failed radix tree insert of mkey 0x%x, %d\n",
mlx5_base_mkey(mkey->key), err);
mlx5_core_destroy_mkey(dev, mkey);
}
return err;
}
int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mr *mr,
struct mlx5_create_mkey_mbox_in *in, int inlen,
mlx5_cmd_cbk_t callback, void *context,
struct mlx5_create_mkey_mbox_out *out)
{
struct mlx5_create_mkey_mbox_out lout;
int err;
u8 key;
memset(&lout, 0, sizeof(lout));
spin_lock_irq(&dev->priv.mkey_lock);
key = dev->priv.mkey_key++;
spin_unlock_irq(&dev->priv.mkey_lock);
in->seg.qpn_mkey7_0 |= cpu_to_be32(key);
in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_CREATE_MKEY);
if (callback) {
err = mlx5_cmd_exec_cb(dev, in, inlen, out, sizeof(*out),
callback, context);
return err;
} else {
err = mlx5_cmd_exec(dev, in, inlen, &lout, sizeof(lout));
}
if (err) {
mlx5_core_dbg(dev, "cmd exec faile %d\n", err);
return err;
}
if (lout.hdr.status) {
mlx5_core_dbg(dev, "status %d\n", lout.hdr.status);
return mlx5_cmd_status_to_err(&lout.hdr);
}
mr->key = mlx5_idx_to_mkey(be32_to_cpu(lout.mkey) & 0xffffff) | key;
mlx5_core_dbg(dev, "out 0x%x, key 0x%x, mkey 0x%x\n",
be32_to_cpu(lout.mkey), key, mr->key);
return err;
}
