xref: /openbmc/linux/include/linux/pds/pds_common.h (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)
155435ea7SShannon Nelson /* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) OR BSD-2-Clause */
255435ea7SShannon Nelson /* Copyright(c) 2023 Advanced Micro Devices, Inc. */
355435ea7SShannon Nelson 
455435ea7SShannon Nelson #ifndef _PDS_COMMON_H_
555435ea7SShannon Nelson #define _PDS_COMMON_H_
655435ea7SShannon Nelson 
755435ea7SShannon Nelson #define PDS_CORE_DRV_NAME			"pds_core"
855435ea7SShannon Nelson 
955435ea7SShannon Nelson /* the device's internal addressing uses up to 52 bits */
1055435ea7SShannon Nelson #define PDS_CORE_ADDR_LEN	52
1155435ea7SShannon Nelson #define PDS_CORE_ADDR_MASK	(BIT_ULL(PDS_ADDR_LEN) - 1)
1255435ea7SShannon Nelson #define PDS_PAGE_SIZE		4096
1355435ea7SShannon Nelson 
14523847dfSShannon Nelson enum pds_core_driver_type {
15523847dfSShannon Nelson 	PDS_DRIVER_LINUX   = 1,
16523847dfSShannon Nelson 	PDS_DRIVER_WIN     = 2,
17523847dfSShannon Nelson 	PDS_DRIVER_DPDK    = 3,
18523847dfSShannon Nelson 	PDS_DRIVER_FREEBSD = 4,
19523847dfSShannon Nelson 	PDS_DRIVER_IPXE    = 5,
20523847dfSShannon Nelson 	PDS_DRIVER_ESXI    = 6,
21523847dfSShannon Nelson };
22523847dfSShannon Nelson 
2365e0185aSShannon Nelson enum pds_core_vif_types {
2465e0185aSShannon Nelson 	PDS_DEV_TYPE_CORE	= 0,
2565e0185aSShannon Nelson 	PDS_DEV_TYPE_VDPA	= 1,
2665e0185aSShannon Nelson 	PDS_DEV_TYPE_VFIO	= 2,
2765e0185aSShannon Nelson 	PDS_DEV_TYPE_ETH	= 3,
2865e0185aSShannon Nelson 	PDS_DEV_TYPE_RDMA	= 4,
2965e0185aSShannon Nelson 	PDS_DEV_TYPE_LM		= 5,
3065e0185aSShannon Nelson 
3165e0185aSShannon Nelson 	/* new ones added before this line */
3265e0185aSShannon Nelson 	PDS_DEV_TYPE_MAX	= 16   /* don't change - used in struct size */
3365e0185aSShannon Nelson };
3465e0185aSShannon Nelson 
3565e0185aSShannon Nelson #define PDS_DEV_TYPE_CORE_STR	"Core"
3665e0185aSShannon Nelson #define PDS_DEV_TYPE_VDPA_STR	"vDPA"
37*63f77a71SBrett Creeley #define PDS_DEV_TYPE_VFIO_STR	"vfio"
3865e0185aSShannon Nelson #define PDS_DEV_TYPE_ETH_STR	"Eth"
3965e0185aSShannon Nelson #define PDS_DEV_TYPE_RDMA_STR	"RDMA"
4065e0185aSShannon Nelson #define PDS_DEV_TYPE_LM_STR	"LM"
4165e0185aSShannon Nelson 
42a16291b5SShannon Nelson #define PDS_VDPA_DEV_NAME	PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_VDPA_STR
43*63f77a71SBrett Creeley #define PDS_VFIO_LM_DEV_NAME	PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_LM_STR "." PDS_DEV_TYPE_VFIO_STR
44a16291b5SShannon Nelson 
45b021d05eSBrett Creeley struct pdsc;
46b021d05eSBrett Creeley 
47d24c2827SShannon Nelson int pdsc_register_notify(struct notifier_block *nb);
48d24c2827SShannon Nelson void pdsc_unregister_notify(struct notifier_block *nb);
494569cce4SShannon Nelson void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
50b021d05eSBrett Creeley int pds_client_register(struct pdsc *pf, char *devname);
51b021d05eSBrett Creeley int pds_client_unregister(struct pdsc *pf, u16 client_id);
5255435ea7SShannon Nelson #endif /* _PDS_COMMON_H_ */
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