cdx.h (ce558a391d80b9f47a462107977e8e81fe2f2962) cdx.h (fa10f413091a43f801f82b3cf484f15d6fc9266f)
1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * Header file for the CDX Bus
4 *
5 * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
6 */
7
8#ifndef _CDX_H_
9#define _CDX_H_
10
11#include <linux/cdx/cdx_bus.h>
12
13/**
14 * struct cdx_dev_params - CDX device parameters
15 * @cdx: CDX controller associated with the device
16 * @parent: Associated CDX Bus device
17 * @vendor: Vendor ID for CDX device
18 * @device: Device ID for CDX device
1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * Header file for the CDX Bus
4 *
5 * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
6 */
7
8#ifndef _CDX_H_
9#define _CDX_H_
10
11#include <linux/cdx/cdx_bus.h>
12
13/**
14 * struct cdx_dev_params - CDX device parameters
15 * @cdx: CDX controller associated with the device
16 * @parent: Associated CDX Bus device
17 * @vendor: Vendor ID for CDX device
18 * @device: Device ID for CDX device
19 * @subsys_vendor: Sub vendor ID for CDX device
20 * @subsys_device: Sub device ID for CDX device
19 * @bus_num: Bus number for this CDX device
20 * @dev_num: Device number for this device
21 * @res: array of MMIO region entries
22 * @res_count: number of valid MMIO regions
23 * @req_id: Requestor ID associated with CDX device
21 * @bus_num: Bus number for this CDX device
22 * @dev_num: Device number for this device
23 * @res: array of MMIO region entries
24 * @res_count: number of valid MMIO regions
25 * @req_id: Requestor ID associated with CDX device
26 * @class: Class of the CDX Device
27 * @revision: Revision of the CDX device
24 */
25struct cdx_dev_params {
26 struct cdx_controller *cdx;
27 struct device *parent;
28 u16 vendor;
29 u16 device;
28 */
29struct cdx_dev_params {
30 struct cdx_controller *cdx;
31 struct device *parent;
32 u16 vendor;
33 u16 device;
34 u16 subsys_vendor;
35 u16 subsys_device;
30 u8 bus_num;
31 u8 dev_num;
32 struct resource res[MAX_CDX_DEV_RESOURCES];
33 u8 res_count;
34 u32 req_id;
36 u8 bus_num;
37 u8 dev_num;
38 struct resource res[MAX_CDX_DEV_RESOURCES];
39 u8 res_count;
40 u32 req_id;
41 u32 class;
42 u8 revision;
35};
36
37/**
38 * cdx_register_controller - Register a CDX controller and its ports
39 * on the CDX bus.
40 * @cdx: The CDX controller to register
41 *
42 * Return: -errno on failure, 0 on success.

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44
45/**
46 * cdx_register_controller - Register a CDX controller and its ports
47 * on the CDX bus.
48 * @cdx: The CDX controller to register
49 *
50 * Return: -errno on failure, 0 on success.

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