mlx4_core: Add extended port capabilities support
An Extended Port Info packet is sent to each hw port during HCA init. If it returns without error, we assume the port supports extended port capabilities. Signed-off-by: Marcel Apfelbaum <marcela@dev.mellanox.co.il> Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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@ -998,6 +998,13 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
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"ib capabilities (%d). Continuing with "
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"ib capabilities (%d). Continuing with "
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"caps = 0\n", port, err);
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"caps = 0\n", port, err);
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dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
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dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
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err = mlx4_check_ext_port_caps(dev, port);
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if (err)
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mlx4_warn(dev, "failed to get port %d extended "
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"port capabilities support info (%d)."
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" Assuming not supported\n", port, err);
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err = mlx4_SET_PORT(dev, port);
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err = mlx4_SET_PORT(dev, port);
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if (err) {
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if (err) {
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mlx4_err(dev, "Failed to set port %d, aborting\n",
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mlx4_err(dev, "Failed to set port %d, aborting\n",
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@ -450,6 +450,7 @@ void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
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int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
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int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
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int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
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int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
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int mlx4_check_ext_port_caps(struct mlx4_dev *dev, u8 port);
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int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
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int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
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enum mlx4_protocol prot, enum mlx4_steer_type steer);
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enum mlx4_protocol prot, enum mlx4_steer_type steer);
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@ -464,6 +464,48 @@ int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps)
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return err;
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return err;
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}
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}
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int mlx4_check_ext_port_caps(struct mlx4_dev *dev, u8 port)
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{
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struct mlx4_cmd_mailbox *inmailbox, *outmailbox;
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u8 *inbuf, *outbuf;
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int err, packet_error;
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inmailbox = mlx4_alloc_cmd_mailbox(dev);
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if (IS_ERR(inmailbox))
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return PTR_ERR(inmailbox);
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outmailbox = mlx4_alloc_cmd_mailbox(dev);
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if (IS_ERR(outmailbox)) {
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mlx4_free_cmd_mailbox(dev, inmailbox);
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return PTR_ERR(outmailbox);
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}
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inbuf = inmailbox->buf;
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outbuf = outmailbox->buf;
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memset(inbuf, 0, 256);
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memset(outbuf, 0, 256);
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inbuf[0] = 1;
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inbuf[1] = 1;
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inbuf[2] = 1;
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inbuf[3] = 1;
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*(__be16 *) (&inbuf[16]) = MLX4_ATTR_EXTENDED_PORT_INFO;
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*(__be32 *) (&inbuf[20]) = cpu_to_be32(port);
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err = mlx4_cmd_box(dev, inmailbox->dma, outmailbox->dma, port, 3,
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MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C);
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packet_error = be16_to_cpu(*(__be16 *) (outbuf + 4));
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dev->caps.ext_port_cap[port] = (!err && !packet_error) ?
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MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO
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: 0;
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mlx4_free_cmd_mailbox(dev, inmailbox);
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mlx4_free_cmd_mailbox(dev, outmailbox);
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return err;
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}
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int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
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int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
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{
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{
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struct mlx4_cmd_mailbox *mailbox;
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struct mlx4_cmd_mailbox *mailbox;
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@ -82,6 +82,12 @@ enum {
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MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48
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MLX4_DEV_CAP_FLAG_COUNTERS = 1LL << 48
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};
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};
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#define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
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enum {
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MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO = 1 << 0
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};
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enum {
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enum {
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MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
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MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
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MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
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MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
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@ -276,6 +282,7 @@ struct mlx4_caps {
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u32 port_mask;
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u32 port_mask;
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enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
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enum mlx4_port_type possible_type[MLX4_MAX_PORTS + 1];
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u32 max_counters;
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u32 max_counters;
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u8 ext_port_cap[MLX4_MAX_PORTS + 1];
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};
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};
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struct mlx4_buf_list {
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struct mlx4_buf_list {
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