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Differential D19495 Diff 69728 usr.sbin/bhyve/pci_emul.h

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usr.sbin/bhyve/pci_emul.h

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#include <assert.h> #include <assert.h>
#define PCI_BARMAX PCIR_MAX_BAR_0 /* BAR registers in a Type 0 header */ #define PCI_BARMAX PCIR_MAX_BAR_0 /* BAR registers in a Type 0 header */
struct vmctx; struct vmctx;
struct pci_devinst; struct pci_devinst;
struct memory_region; struct memory_region;
struct vm_snapshot_meta;
struct pci_devemu { struct pci_devemu {
char *pe_emu; /* Name of device emulation */ char *pe_emu; /* Name of device emulation */
/* instance creation */ /* instance creation */
int (*pe_init)(struct vmctx *, struct pci_devinst *, int (*pe_init)(struct vmctx *, struct pci_devinst *,
char *opts); char *opts);
Show All 10 Linesstruct pci_devemu {
/* BAR read/write callbacks */ /* BAR read/write callbacks */
void (*pe_barwrite)(struct vmctx *ctx, int vcpu, void (*pe_barwrite)(struct vmctx *ctx, int vcpu,
struct pci_devinst *pi, int baridx, struct pci_devinst *pi, int baridx,
uint64_t offset, int size, uint64_t value); uint64_t offset, int size, uint64_t value);
uint64_t (*pe_barread)(struct vmctx *ctx, int vcpu, uint64_t (*pe_barread)(struct vmctx *ctx, int vcpu,
struct pci_devinst *pi, int baridx, struct pci_devinst *pi, int baridx,
uint64_t offset, int size); uint64_t offset, int size);
/* Save/restore device state */
int (*pe_snapshot)(struct vm_snapshot_meta *meta);
int (*pe_pause)(struct vmctx *ctx, struct pci_devinst *pi);
int (*pe_resume)(struct vmctx *ctx, struct pci_devinst *pi);
}; };
#define PCI_EMUL_SET(x) DATA_SET(pci_devemu_set, x); #define PCI_EMUL_SET(x) DATA_SET(pci_devemu_set, x);
enum pcibar_type { enum pcibar_type {
PCIBAR_NONE, PCIBAR_NONE,
PCIBAR_IO, PCIBAR_IO,
PCIBAR_MEM32, PCIBAR_MEM32,
PCIBAR_MEM64, PCIBAR_MEM64,
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int pci_emul_msix_twrite(struct pci_devinst *pi, uint64_t offset, int size, int pci_emul_msix_twrite(struct pci_devinst *pi, uint64_t offset, int size,
uint64_t value); uint64_t value);
uint64_t pci_emul_msix_tread(struct pci_devinst *pi, uint64_t offset, int size); uint64_t pci_emul_msix_tread(struct pci_devinst *pi, uint64_t offset, int size);
int pci_count_lintr(int bus); int pci_count_lintr(int bus);
void pci_walk_lintr(int bus, pci_lintr_cb cb, void *arg); void pci_walk_lintr(int bus, pci_lintr_cb cb, void *arg);
void pci_write_dsdt(void); void pci_write_dsdt(void);
uint64_t pci_ecfg_base(void); uint64_t pci_ecfg_base(void);
int pci_bus_configured(int bus); int pci_bus_configured(int bus);
#ifdef BHYVE_SNAPSHOT
int pci_snapshot(struct vm_snapshot_meta *meta);
int pci_pause(struct vmctx *ctx, const char *dev_name);
int pci_resume(struct vmctx *ctx, const char *dev_name);
#endif
static __inline void static __inline void
pci_set_cfgdata8(struct pci_devinst *pi, int offset, uint8_t val) pci_set_cfgdata8(struct pci_devinst *pi, int offset, uint8_t val)
{ {
assert(offset <= PCI_REGMAX); assert(offset <= PCI_REGMAX);
*(uint8_t *)(pi->pi_cfgdata + offset) = val; *(uint8_t *)(pi->pi_cfgdata + offset) = val;
} }
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