mirror of https://gitee.com/openkylin/linux.git
net/mlx4_core: Add QUERY_FUNC firmware command
QUERY_FUNC firmware command could be used in order to query the number of EQs, reserved EQs, etc for a specific function. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -177,6 +177,62 @@ int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg)
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return err;
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}
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int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave)
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{
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struct mlx4_cmd_mailbox *mailbox;
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u32 *outbox;
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u8 in_modifier;
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u8 field;
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u16 field16;
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int err;
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#define QUERY_FUNC_BUS_OFFSET 0x00
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#define QUERY_FUNC_DEVICE_OFFSET 0x01
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#define QUERY_FUNC_FUNCTION_OFFSET 0x01
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#define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03
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#define QUERY_FUNC_RSVD_EQS_OFFSET 0x04
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#define QUERY_FUNC_MAX_EQ_OFFSET 0x06
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#define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b
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mailbox = mlx4_alloc_cmd_mailbox(dev);
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if (IS_ERR(mailbox))
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return PTR_ERR(mailbox);
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outbox = mailbox->buf;
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in_modifier = slave;
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mlx4_dbg(dev, "%s for VF %d\n", __func__, in_modifier);
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err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0,
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MLX4_CMD_QUERY_FUNC,
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MLX4_CMD_TIME_CLASS_A,
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MLX4_CMD_NATIVE);
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if (err)
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goto out;
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MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET);
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func->bus = field & 0xf;
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MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET);
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func->device = field & 0xf1;
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MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET);
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func->function = field & 0x7;
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MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET);
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func->physical_function = field & 0xf;
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MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET);
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func->rsvd_eqs = field16 & 0xffff;
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MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET);
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func->max_eq = field16 & 0xffff;
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MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET);
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func->rsvd_uars = field & 0x0f;
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mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n",
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func->bus, func->device, func->function, func->physical_function,
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func->max_eq, func->rsvd_eqs, func->rsvd_uars);
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out:
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mlx4_free_cmd_mailbox(dev, mailbox);
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return err;
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}
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int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
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struct mlx4_vhcr *vhcr,
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struct mlx4_cmd_mailbox *inbox,
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@ -145,6 +145,16 @@ struct mlx4_func_cap {
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u64 phys_port_id;
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};
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struct mlx4_func {
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int bus;
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int device;
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int function;
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int physical_function;
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int rsvd_eqs;
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int max_eq;
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int rsvd_uars;
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};
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struct mlx4_adapter {
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char board_id[MLX4_BOARD_ID_LEN];
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u8 inta_pin;
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@ -211,6 +221,7 @@ int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave,
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struct mlx4_cmd_mailbox *inbox,
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struct mlx4_cmd_mailbox *outbox,
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struct mlx4_cmd_info *cmd);
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int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave);
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int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm);
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int mlx4_UNMAP_FA(struct mlx4_dev *dev);
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int mlx4_RUN_FW(struct mlx4_dev *dev);
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