1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Intel Corporation
8 #include "ifcvf_osdep.h"
10 #define IFCVF_VENDOR_ID 0x1AF4
11 #define IFCVF_DEVICE_ID 0x1041
12 #define IFCVF_SUBSYS_VENDOR_ID 0x8086
13 #define IFCVF_SUBSYS_DEVICE_ID 0x001A
15 #define IFCVF_MAX_QUEUES 1
17 #ifndef VIRTIO_F_IOMMU_PLATFORM
18 #define VIRTIO_F_IOMMU_PLATFORM 33
21 /* Common configuration */
22 #define IFCVF_PCI_CAP_COMMON_CFG 1
24 #define IFCVF_PCI_CAP_NOTIFY_CFG 2
26 #define IFCVF_PCI_CAP_ISR_CFG 3
27 /* Device specific configuration */
28 #define IFCVF_PCI_CAP_DEVICE_CFG 4
29 /* PCI configuration access */
30 #define IFCVF_PCI_CAP_PCI_CFG 5
32 #define IFCVF_CONFIG_STATUS_RESET 0x00
33 #define IFCVF_CONFIG_STATUS_ACK 0x01
34 #define IFCVF_CONFIG_STATUS_DRIVER 0x02
35 #define IFCVF_CONFIG_STATUS_DRIVER_OK 0x04
36 #define IFCVF_CONFIG_STATUS_FEATURES_OK 0x08
37 #define IFCVF_CONFIG_STATUS_FAILED 0x80
39 #define IFCVF_MSI_NO_VECTOR 0xffff
40 #define IFCVF_PCI_MAX_RESOURCE 6
42 #define IFCVF_LM_CFG_SIZE 0x40
43 #define IFCVF_LM_RING_STATE_OFFSET 0x20
45 #define IFCVF_LM_LOGGING_CTRL 0x0
47 #define IFCVF_LM_BASE_ADDR_LOW 0x10
48 #define IFCVF_LM_BASE_ADDR_HIGH 0x14
49 #define IFCVF_LM_END_ADDR_LOW 0x18
50 #define IFCVF_LM_END_ADDR_HIGH 0x1c
52 #define IFCVF_LM_DISABLE 0x0
53 #define IFCVF_LM_ENABLE_VF 0x1
54 #define IFCVF_LM_ENABLE_PF 0x3
55 #define IFCVF_LOG_BASE 0x100000000000
56 #define IFCVF_MEDIATED_VRING 0x200000000000
58 #define IFCVF_32_BIT_MASK 0xffffffff
61 struct ifcvf_pci_cap {
62 u8 cap_vndr; /* Generic PCI field: PCI_CAP_ID_VNDR */
63 u8 cap_next; /* Generic PCI field: next ptr. */
64 u8 cap_len; /* Generic PCI field: capability length */
65 u8 cfg_type; /* Identifies the structure. */
66 u8 bar; /* Where to find it. */
67 u8 padding[3]; /* Pad to full dword. */
68 u32 offset; /* Offset within bar. */
69 u32 length; /* Length of the structure, in bytes. */
72 struct ifcvf_pci_notify_cap {
73 struct ifcvf_pci_cap cap;
74 u32 notify_off_multiplier; /* Multiplier for queue_notify_off. */
77 struct ifcvf_pci_common_cfg {
78 /* About the whole device. */
79 u32 device_feature_select;
81 u32 guest_feature_select;
88 /* About a specific virtqueue. */
91 u16 queue_msix_vector;
102 struct ifcvf_net_config {
105 u16 max_virtqueue_pairs;
108 struct ifcvf_pci_mem_resource {
109 u64 phys_addr; /**< Physical address, 0 if not resource. */
110 u64 len; /**< Length of the resource. */
111 u8 *addr; /**< Virtual address, NULL when not mapped. */
127 u32 notify_off_multiplier;
128 struct ifcvf_pci_common_cfg *common_cfg;
129 struct ifcvf_net_config *dev_cfg;
132 u16 *notify_addr[IFCVF_MAX_QUEUES * 2];
134 struct vring_info vring[IFCVF_MAX_QUEUES * 2];
136 struct ifcvf_pci_mem_resource mem_resource[IFCVF_PCI_MAX_RESOURCE];
140 ifcvf_init_hw(struct ifcvf_hw *hw, PCI_DEV *dev);
143 ifcvf_get_features(struct ifcvf_hw *hw);
146 ifcvf_start_hw(struct ifcvf_hw *hw);
149 ifcvf_stop_hw(struct ifcvf_hw *hw);
152 ifcvf_enable_logging(struct ifcvf_hw *hw, u64 log_base, u64 log_size);
155 ifcvf_disable_logging(struct ifcvf_hw *hw);
158 ifcvf_notify_queue(struct ifcvf_hw *hw, u16 qid);
161 ifcvf_get_notify_region(struct ifcvf_hw *hw);
164 ifcvf_get_queue_notify_off(struct ifcvf_hw *hw, int qid);
166 #endif /* _IFCVF_H_ */