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Diffstat (limited to 'qemu/roms/seabios/src/hw/virtio-pci.h')
-rw-r--r--qemu/roms/seabios/src/hw/virtio-pci.h211
1 files changed, 0 insertions, 211 deletions
diff --git a/qemu/roms/seabios/src/hw/virtio-pci.h b/qemu/roms/seabios/src/hw/virtio-pci.h
deleted file mode 100644
index b11c3555e..000000000
--- a/qemu/roms/seabios/src/hw/virtio-pci.h
+++ /dev/null
@@ -1,211 +0,0 @@
-#ifndef _VIRTIO_PCI_H
-#define _VIRTIO_PCI_H
-
-#include "x86.h" // inl
-#include "biosvar.h" // GET_LOWFLAT
-
-/* The bit of the ISR which indicates a device configuration change. */
-#define VIRTIO_PCI_ISR_CONFIG 0x2
-
-/* Virtio ABI version, this must match exactly */
-#define VIRTIO_PCI_ABI_VERSION 0
-
-/* --- virtio 0.9.5 (legacy) struct --------------------------------- */
-
-typedef struct virtio_pci_legacy {
- u32 host_features;
- u32 guest_features;
- u32 queue_pfn;
- u16 queue_num;
- u16 queue_sel;
- u16 queue_notify;
- u8 status;
- u8 isr;
- u8 device[];
-} virtio_pci_legacy;
-
-/* --- virtio 1.0 (modern) structs ---------------------------------- */
-
-/* Common configuration */
-#define VIRTIO_PCI_CAP_COMMON_CFG 1
-/* Notifications */
-#define VIRTIO_PCI_CAP_NOTIFY_CFG 2
-/* ISR access */
-#define VIRTIO_PCI_CAP_ISR_CFG 3
-/* Device specific configuration */
-#define VIRTIO_PCI_CAP_DEVICE_CFG 4
-/* PCI configuration access */
-#define VIRTIO_PCI_CAP_PCI_CFG 5
-
-/* This is the PCI capability header: */
-struct virtio_pci_cap {
- u8 cap_vndr; /* Generic PCI field: PCI_CAP_ID_VNDR */
- u8 cap_next; /* Generic PCI field: next ptr. */
- u8 cap_len; /* Generic PCI field: capability length */
- u8 cfg_type; /* Identifies the structure. */
- u8 bar; /* Where to find it. */
- u8 padding[3]; /* Pad to full dword. */
- u32 offset; /* Offset within bar. */
- u32 length; /* Length of the structure, in bytes. */
-};
-
-struct virtio_pci_notify_cap {
- struct virtio_pci_cap cap;
- u32 notify_off_multiplier; /* Multiplier for queue_notify_off. */
-};
-
-typedef struct virtio_pci_common_cfg {
- /* About the whole device. */
- u32 device_feature_select; /* read-write */
- u32 device_feature; /* read-only */
- u32 guest_feature_select; /* read-write */
- u32 guest_feature; /* read-write */
- u16 msix_config; /* read-write */
- u16 num_queues; /* read-only */
- u8 device_status; /* read-write */
- u8 config_generation; /* read-only */
-
- /* About a specific virtqueue. */
- u16 queue_select; /* read-write */
- u16 queue_size; /* read-write, power of 2. */
- u16 queue_msix_vector; /* read-write */
- u16 queue_enable; /* read-write */
- u16 queue_notify_off; /* read-only */
- u32 queue_desc_lo; /* read-write */
- u32 queue_desc_hi; /* read-write */
- u32 queue_avail_lo; /* read-write */
- u32 queue_avail_hi; /* read-write */
- u32 queue_used_lo; /* read-write */
- u32 queue_used_hi; /* read-write */
-} virtio_pci_common_cfg;
-
-typedef struct virtio_pci_isr {
- u8 isr;
-} virtio_pci_isr;
-
-/* --- driver structs ----------------------------------------------- */
-
-struct vp_cap {
- u32 addr;
- u8 cap;
- u8 bar;
- u8 is_io;
-};
-
-struct vp_device {
- struct vp_cap common, notify, isr, device, legacy;
- u32 notify_off_multiplier;
- u8 use_modern;
-};
-
-static inline u64 _vp_read(struct vp_cap *cap, u32 offset, u8 size)
-{
- u32 addr = cap->addr + offset;
- u64 var;
-
- if (cap->is_io) {
- switch (size) {
- case 8:
- var = inl(addr);
- var |= (u64)inl(addr+4) << 32;
- break;
- case 4:
- var = inl(addr);
- break;
- case 2:
- var = inw(addr);
- break;
- case 1:
- var = inb(addr);
- break;
- default:
- var = 0;
- }
- } else {
- switch (size) {
- case 8:
- var = readl((void*)addr);
- var |= (u64)readl((void*)(addr+4)) << 32;
- break;
- case 4:
- var = readl((void*)addr);
- break;
- case 2:
- var = readw((void*)addr);
- break;
- case 1:
- var = readb((void*)addr);
- break;
- default:
- var = 0;
- }
- }
- dprintf(9, "vp read %x (%d) -> 0x%llx\n", addr, size, var);
- return var;
-}
-
-static inline void _vp_write(struct vp_cap *cap, u32 offset, u8 size, u64 var)
-{
- u32 addr = cap->addr + offset;
-
- dprintf(9, "vp write %x (%d) <- 0x%llx\n", addr, size, var);
- if (cap->is_io) {
- switch (size) {
- case 4:
- outl(var, addr);
- break;
- case 2:
- outw(var, addr);
- break;
- case 1:
- outb(var, addr);
- break;
- }
- } else {
- switch (size) {
- case 4:
- writel((void*)addr, var);
- break;
- case 2:
- writew((void*)addr, var);
- break;
- case 1:
- writeb((void*)addr, var);
- break;
- }
- }
-}
-
-#define vp_read(_cap, _struct, _field) \
- _vp_read(_cap, offsetof(_struct, _field), \
- sizeof(((_struct *)0)->_field))
-
-#define vp_write(_cap, _struct, _field, _var) \
- _vp_write(_cap, offsetof(_struct, _field), \
- sizeof(((_struct *)0)->_field), _var)
-
-u64 vp_get_features(struct vp_device *vp);
-void vp_set_features(struct vp_device *vp, u64 features);
-
-static inline void vp_get_legacy(struct vp_device *vp, unsigned offset,
- void *buf, unsigned len)
-{
- u8 *ptr = buf;
- unsigned i;
-
- for (i = 0; i < len; i++)
- ptr[i] = vp_read(&vp->legacy, virtio_pci_legacy, device[i]);
-}
-
-u8 vp_get_status(struct vp_device *vp);
-void vp_set_status(struct vp_device *vp, u8 status);
-u8 vp_get_isr(struct vp_device *vp);
-void vp_reset(struct vp_device *vp);
-
-struct pci_device;
-struct vring_virtqueue;
-void vp_init_simple(struct vp_device *vp, struct pci_device *pci);
-void vp_notify(struct vp_device *vp, struct vring_virtqueue *vq);
-int vp_find_vq(struct vp_device *vp, int queue_index,
- struct vring_virtqueue **p_vq);
-#endif /* _VIRTIO_PCI_H_ */