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
16 #define VIRTIO_F_IOMMU_PLATFORM 33
18 /* Common configuration */
19 #define IFCVF_PCI_CAP_COMMON_CFG 1
21 #define IFCVF_PCI_CAP_NOTIFY_CFG 2
23 #define IFCVF_PCI_CAP_ISR_CFG 3
24 /* Device specific configuration */
25 #define IFCVF_PCI_CAP_DEVICE_CFG 4
26 /* PCI configuration access */
27 #define IFCVF_PCI_CAP_PCI_CFG 5
29 #define IFCVF_CONFIG_STATUS_RESET 0x00
30 #define IFCVF_CONFIG_STATUS_ACK 0x01
31 #define IFCVF_CONFIG_STATUS_DRIVER 0x02
32 #define IFCVF_CONFIG_STATUS_DRIVER_OK 0x04
33 #define IFCVF_CONFIG_STATUS_FEATURES_OK 0x08
34 #define IFCVF_CONFIG_STATUS_FAILED 0x80
36 #define IFCVF_MSI_NO_VECTOR 0xffff
37 #define IFCVF_PCI_MAX_RESOURCE 6
39 #define IFCVF_LM_CFG_SIZE 0x40
40 #define IFCVF_LM_RING_STATE_OFFSET 0x20
42 #define IFCVF_LM_LOGGING_CTRL 0x0
44 #define IFCVF_LM_BASE_ADDR_LOW 0x10
45 #define IFCVF_LM_BASE_ADDR_HIGH 0x14
46 #define IFCVF_LM_END_ADDR_LOW 0x18
47 #define IFCVF_LM_END_ADDR_HIGH 0x1c
49 #define IFCVF_LM_DISABLE 0x0
50 #define IFCVF_LM_ENABLE_VF 0x1
51 #define IFCVF_LM_ENABLE_PF 0x3
53 #define IFCVF_32_BIT_MASK 0xffffffff
56 struct ifcvf_pci_cap {
57 u8 cap_vndr; /* Generic PCI field: PCI_CAP_ID_VNDR */
58 u8 cap_next; /* Generic PCI field: next ptr. */
59 u8 cap_len; /* Generic PCI field: capability length */
60 u8 cfg_type; /* Identifies the structure. */
61 u8 bar; /* Where to find it. */
62 u8 padding[3]; /* Pad to full dword. */
63 u32 offset; /* Offset within bar. */
64 u32 length; /* Length of the structure, in bytes. */
67 struct ifcvf_pci_notify_cap {
68 struct ifcvf_pci_cap cap;
69 u32 notify_off_multiplier; /* Multiplier for queue_notify_off. */
72 struct ifcvf_pci_common_cfg {
73 /* About the whole device. */
74 u32 device_feature_select;
76 u32 guest_feature_select;
83 /* About a specific virtqueue. */
86 u16 queue_msix_vector;
97 struct ifcvf_net_config {
100 u16 max_virtqueue_pairs;
101 } __attribute__((packed));
103 struct ifcvf_pci_mem_resource {
104 u64 phys_addr; /**< Physical address, 0 if not resource. */
105 u64 len; /**< Length of the resource. */
106 u8 *addr; /**< Virtual address, NULL when not mapped. */
121 u32 notify_off_multiplier;
122 struct ifcvf_pci_common_cfg *common_cfg;
123 struct ifcvf_net_device_config *dev_cfg;
126 u16 *notify_addr[IFCVF_MAX_QUEUES * 2];
128 struct vring_info vring[IFCVF_MAX_QUEUES * 2];
130 struct ifcvf_pci_mem_resource mem_resource[IFCVF_PCI_MAX_RESOURCE];
134 ifcvf_init_hw(struct ifcvf_hw *hw, PCI_DEV *dev);
137 ifcvf_get_features(struct ifcvf_hw *hw);
140 ifcvf_start_hw(struct ifcvf_hw *hw);
143 ifcvf_stop_hw(struct ifcvf_hw *hw);
146 ifcvf_notify_queue(struct ifcvf_hw *hw, u16 qid);
149 ifcvf_get_notify_region(struct ifcvf_hw *hw);
152 ifcvf_get_queue_notify_off(struct ifcvf_hw *hw, int qid);
154 #endif /* _IFCVF_H_ */