1/* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) OR BSD-2-Clause */
2/* Copyright(c) 2023 Advanced Micro Devices, Inc. */
3
4#ifndef _PDS_COMMON_H_
5#define _PDS_COMMON_H_
6
7#define PDS_CORE_DRV_NAME			"pds_core"
8
9/* the device's internal addressing uses up to 52 bits */
10#define PDS_CORE_ADDR_LEN	52
11#define PDS_CORE_ADDR_MASK	(BIT_ULL(PDS_ADDR_LEN) - 1)
12#define PDS_PAGE_SIZE		4096
13
14enum pds_core_driver_type {
15	PDS_DRIVER_LINUX   = 1,
16	PDS_DRIVER_WIN     = 2,
17	PDS_DRIVER_DPDK    = 3,
18	PDS_DRIVER_FREEBSD = 4,
19	PDS_DRIVER_IPXE    = 5,
20	PDS_DRIVER_ESXI    = 6,
21};
22
23enum pds_core_vif_types {
24	PDS_DEV_TYPE_CORE	= 0,
25	PDS_DEV_TYPE_VDPA	= 1,
26	PDS_DEV_TYPE_VFIO	= 2,
27	PDS_DEV_TYPE_ETH	= 3,
28	PDS_DEV_TYPE_RDMA	= 4,
29	PDS_DEV_TYPE_LM		= 5,
30
31	/* new ones added before this line */
32	PDS_DEV_TYPE_MAX	= 16   /* don't change - used in struct size */
33};
34
35#define PDS_DEV_TYPE_CORE_STR	"Core"
36#define PDS_DEV_TYPE_VDPA_STR	"vDPA"
37#define PDS_DEV_TYPE_VFIO_STR	"vfio"
38#define PDS_DEV_TYPE_ETH_STR	"Eth"
39#define PDS_DEV_TYPE_RDMA_STR	"RDMA"
40#define PDS_DEV_TYPE_LM_STR	"LM"
41
42#define PDS_VDPA_DEV_NAME	PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_VDPA_STR
43#define PDS_VFIO_LM_DEV_NAME	PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_LM_STR "." PDS_DEV_TYPE_VFIO_STR
44
45struct pdsc;
46
47int pdsc_register_notify(struct notifier_block *nb);
48void pdsc_unregister_notify(struct notifier_block *nb);
49void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
50int pds_client_register(struct pdsc *pf, char *devname);
51int pds_client_unregister(struct pdsc *pf, u16 client_id);
52#endif /* _PDS_COMMON_H_ */
53