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#include <linux/notifier.h>
8
9#define PDS_CORE_DRV_NAME "pds_core"
10
11/* the device's internal addressing uses up to 52 bits */
12#define PDS_CORE_ADDR_LEN 52
13#define PDS_CORE_ADDR_MASK (BIT_ULL(PDS_ADDR_LEN) - 1)
14#define PDS_PAGE_SIZE 4096
15
16enum pds_core_driver_type {
17 PDS_DRIVER_LINUX = 1,
18 PDS_DRIVER_WIN = 2,
19 PDS_DRIVER_DPDK = 3,
20 PDS_DRIVER_FREEBSD = 4,
21 PDS_DRIVER_IPXE = 5,
22 PDS_DRIVER_ESXI = 6,
23};
24
25enum pds_core_vif_types {
26 PDS_DEV_TYPE_CORE = 0,
27 PDS_DEV_TYPE_VDPA = 1,
28 PDS_DEV_TYPE_VFIO = 2,
29 PDS_DEV_TYPE_ETH = 3,
30 PDS_DEV_TYPE_RDMA = 4,
31 PDS_DEV_TYPE_LM = 5,
32 PDS_DEV_TYPE_FWCTL = 6,
33
34 /* new ones added before this line */
35 PDS_DEV_TYPE_MAX = 16 /* don't change - used in struct size */
36};
37
38#define PDS_DEV_TYPE_CORE_STR "Core"
39#define PDS_DEV_TYPE_VDPA_STR "vDPA"
40#define PDS_DEV_TYPE_VFIO_STR "vfio"
41#define PDS_DEV_TYPE_ETH_STR "Eth"
42#define PDS_DEV_TYPE_RDMA_STR "RDMA"
43#define PDS_DEV_TYPE_LM_STR "LM"
44#define PDS_DEV_TYPE_FWCTL_STR "fwctl"
45
46#define PDS_VDPA_DEV_NAME PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_VDPA_STR
47#define PDS_VFIO_LM_DEV_NAME PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_LM_STR "." PDS_DEV_TYPE_VFIO_STR
48
49struct pdsc;
50
51int pdsc_register_notify(struct notifier_block *nb);
52void pdsc_unregister_notify(struct notifier_block *nb);
53void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
54int pds_client_register(struct pdsc *pf, char *devname);
55int pds_client_unregister(struct pdsc *pf, u16 client_id);
56#endif /* _PDS_COMMON_H_ */
57

source code of linux/include/linux/pds/pds_common.h