xref: /linux/include/linux/pds/pds_common.h (revision 47b60ec7ba22a6359379bce9643bfff7a1ffe9ed)
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 
14 enum 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 
23 enum 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_CORE_IFNAMSIZ		16
43 
44 /**
45  * enum pds_core_logical_qtype - Logical Queue Types
46  * @PDS_CORE_QTYPE_ADMINQ:    Administrative Queue
47  * @PDS_CORE_QTYPE_NOTIFYQ:   Notify Queue
48  * @PDS_CORE_QTYPE_RXQ:       Receive Queue
49  * @PDS_CORE_QTYPE_TXQ:       Transmit Queue
50  * @PDS_CORE_QTYPE_EQ:        Event Queue
51  * @PDS_CORE_QTYPE_MAX:       Max queue type supported
52  */
53 enum pds_core_logical_qtype {
54 	PDS_CORE_QTYPE_ADMINQ  = 0,
55 	PDS_CORE_QTYPE_NOTIFYQ = 1,
56 	PDS_CORE_QTYPE_RXQ     = 2,
57 	PDS_CORE_QTYPE_TXQ     = 3,
58 	PDS_CORE_QTYPE_EQ      = 4,
59 
60 	PDS_CORE_QTYPE_MAX     = 16   /* don't change - used in struct size */
61 };
62 
63 int pdsc_register_notify(struct notifier_block *nb);
64 void pdsc_unregister_notify(struct notifier_block *nb);
65 void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
66 int pds_client_register(struct pci_dev *pf_pdev, char *devname);
67 int pds_client_unregister(struct pci_dev *pf_pdev, u16 client_id);
68 #endif /* _PDS_COMMON_H_ */
69