linux/cdx/cdx_bus.h

1 /* SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
44  * CDX_DEVICE - macro used to describe a specific CDX device
45  * @vend: the 16 bit CDX Vendor ID
46  * @dev: the 16 bit CDX Device ID
53 	.vendor = (vend), .device = (dev), \
57  * CDX_DEVICE_DRIVER_OVERRIDE - macro used to describe a CDX device with
59  * @vend: the 16 bit CDX Vendor ID
60  * @dev: the 16 bit CDX Device ID
68 	.vendor = (vend), .device = (dev), .subvendor = CDX_ANY_ID,\
72  * struct cdx_ops - Callbacks supported by CDX controller.
90  * @id: Controller ID
97 	u32 id;  member
103  * struct cdx_device - CDX device object
106  * @vendor: Vendor ID for CDX device
107  * @device: Device ID for CDX device
108  * @subsystem_vendor: Subsystem Vendor ID for CDX device
109  * @subsystem_device: Subsystem Device ID for CDX device
120  * @req_id: Requestor ID associated with CDX device
130 	u16 vendor;  member
153 #define cdx_resource_start(dev, num)	((dev)->res[(num)].start)
154 #define cdx_resource_end(dev, num)	((dev)->res[(num)].end)
155 #define cdx_resource_flags(dev, num)	((dev)->res[(num)].flags)
160 	 (cdx_resource_end((dev), (num)) -		\
163  * struct cdx_driver - CDX device driver
198  * __cdx_driver_register - registers a CDX device driver
202  * Return: -errno on failure, 0 on success.
208  * cdx_driver_unregister - unregisters a device driver from the
217  * cdx_dev_reset - Reset CDX device
220  * Return: 0 for success, -errno on failure
225  * cdx_set_master - enables bus-mastering for CDX device
228  * Return: 0 for success, -errno on failure
233  * cdx_clear_master - disables bus-mastering for CDX device
236  * Return: 0 for success, -errno on failure