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12#ifndef HW_VFIO_VFIO_PCI_H
13#define HW_VFIO_VFIO_PCI_H
14
15#include "qemu-common.h"
16#include "exec/memory.h"
17#include "hw/pci/pci.h"
18#include "hw/vfio/vfio-common.h"
19#include "qemu/event_notifier.h"
20#include "qemu/queue.h"
21#include "qemu/timer.h"
22
23#define PCI_ANY_ID (~0)
24
25struct VFIOPCIDevice;
26
27typedef struct VFIOQuirk {
28 QLIST_ENTRY(VFIOQuirk) next;
29 void *data;
30 int nr_mem;
31 MemoryRegion *mem;
32} VFIOQuirk;
33
34typedef struct VFIOBAR {
35 VFIORegion region;
36 bool ioport;
37 bool mem64;
38 QLIST_HEAD(, VFIOQuirk) quirks;
39} VFIOBAR;
40
41typedef struct VFIOVGARegion {
42 MemoryRegion mem;
43 off_t offset;
44 int nr;
45 QLIST_HEAD(, VFIOQuirk) quirks;
46} VFIOVGARegion;
47
48typedef struct VFIOVGA {
49 off_t fd_offset;
50 int fd;
51 VFIOVGARegion region[QEMU_PCI_VGA_NUM_REGIONS];
52} VFIOVGA;
53
54typedef struct VFIOINTx {
55 bool pending;
56 bool kvm_accel;
57 uint8_t pin;
58 EventNotifier interrupt;
59 EventNotifier unmask;
60 PCIINTxRoute route;
61 uint32_t mmap_timeout;
62 QEMUTimer *mmap_timer;
63} VFIOINTx;
64
65typedef struct VFIOMSIVector {
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75 EventNotifier interrupt;
76 EventNotifier kvm_interrupt;
77 struct VFIOPCIDevice *vdev;
78 int virq;
79 bool use;
80} VFIOMSIVector;
81
82enum {
83 VFIO_INT_NONE = 0,
84 VFIO_INT_INTx = 1,
85 VFIO_INT_MSI = 2,
86 VFIO_INT_MSIX = 3,
87};
88
89
90typedef struct VFIOMSIXInfo {
91 uint8_t table_bar;
92 uint8_t pba_bar;
93 uint16_t entries;
94 uint32_t table_offset;
95 uint32_t pba_offset;
96 MemoryRegion mmap_mem;
97 void *mmap;
98 unsigned long *pending;
99} VFIOMSIXInfo;
100
101typedef struct VFIOPCIDevice {
102 PCIDevice pdev;
103 VFIODevice vbasedev;
104 VFIOINTx intx;
105 unsigned int config_size;
106 uint8_t *emulated_config_bits;
107 off_t config_offset;
108 unsigned int rom_size;
109 off_t rom_offset;
110 void *rom;
111 int msi_cap_size;
112 VFIOMSIVector *msi_vectors;
113 VFIOMSIXInfo *msix;
114 int nr_vectors;
115 int interrupt;
116 VFIOBAR bars[PCI_NUM_REGIONS - 1];
117 VFIOVGA *vga;
118 PCIHostDeviceAddress host;
119 EventNotifier err_notifier;
120 EventNotifier req_notifier;
121 int (*resetfn)(struct VFIOPCIDevice *);
122 uint32_t vendor_id;
123 uint32_t device_id;
124 uint32_t sub_vendor_id;
125 uint32_t sub_device_id;
126 uint32_t features;
127#define VFIO_FEATURE_ENABLE_VGA_BIT 0
128#define VFIO_FEATURE_ENABLE_VGA (1 << VFIO_FEATURE_ENABLE_VGA_BIT)
129#define VFIO_FEATURE_ENABLE_REQ_BIT 1
130#define VFIO_FEATURE_ENABLE_REQ (1 << VFIO_FEATURE_ENABLE_REQ_BIT)
131 int32_t bootindex;
132 uint8_t pm_cap;
133 bool pci_aer;
134 bool req_enabled;
135 bool has_flr;
136 bool has_pm_reset;
137 bool rom_read_failed;
138 bool no_kvm_intx;
139 bool no_kvm_msi;
140 bool no_kvm_msix;
141} VFIOPCIDevice;
142
143uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t addr, int len);
144void vfio_pci_write_config(PCIDevice *pdev,
145 uint32_t addr, uint32_t val, int len);
146
147uint64_t vfio_vga_read(void *opaque, hwaddr addr, unsigned size);
148void vfio_vga_write(void *opaque, hwaddr addr, uint64_t data, unsigned size);
149
150bool vfio_blacklist_opt_rom(VFIOPCIDevice *vdev);
151void vfio_vga_quirk_setup(VFIOPCIDevice *vdev);
152void vfio_vga_quirk_exit(VFIOPCIDevice *vdev);
153void vfio_vga_quirk_finalize(VFIOPCIDevice *vdev);
154void vfio_bar_quirk_setup(VFIOPCIDevice *vdev, int nr);
155void vfio_bar_quirk_exit(VFIOPCIDevice *vdev, int nr);
156void vfio_bar_quirk_finalize(VFIOPCIDevice *vdev, int nr);
157void vfio_setup_resetfn_quirk(VFIOPCIDevice *vdev);
158
159int vfio_populate_vga(VFIOPCIDevice *vdev);
160
161#endif
162