pds_common.h

 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_ */