Differential D24066 Diff 86007 usr.sbin/bhyve/pci_fbuf.c

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usr.sbin/bhyve/pci_fbuf.c

Show First 20 Lines • Show All 210 Lines • ▼ Show 20 Lines	pci_fbuf_read(struct vmctx ctx, int vcpu, struct pci_devinst pi,

DPRINTF(DEBUG_VERBOSE,		DPRINTF(DEBUG_VERBOSE,
("fbuf rd: offset 0x%lx, size: %d, value: 0x%lx",		("fbuf rd: offset 0x%lx, size: %d, value: 0x%lx",
offset, size, value));		offset, size, value));

return (value);		return (value);
}		}

		static void
		pci_fbuf_baraddr(struct vmctx ctx, struct pci_devinst pi, int baridx,
		int enabled, uint64_t address)
		{
		struct pci_fbuf_softc *sc;
		int prot;

		if (baridx != 1)
		return;

		sc = pi->pi_arg;
		if (!enabled && sc->fbaddr != 0) {
		if (vm_munmap_memseg(ctx, sc->fbaddr, FB_SIZE) != 0)
		EPRINTLN("pci_fbuf: munmap_memseg failed");
		sc->fbaddr = 0;
		} else if (sc->fb_base != NULL && sc->fbaddr == 0) {
		prot = PROT_READ \| PROT_WRITE;
		if (vm_mmap_memseg(ctx, address, VM_FRAMEBUFFER, 0, FB_SIZE, prot) != 0)
		EPRINTLN("pci_fbuf: mmap_memseg failed");
		sc->fbaddr = address;
		}
		}


static int		static int
pci_fbuf_parse_config(struct pci_fbuf_softc sc, nvlist_t nvl)		pci_fbuf_parse_config(struct pci_fbuf_softc sc, nvlist_t nvl)
{		{
const char *value;		const char *value;
char *cp;		char *cp;

sc->rfb_wait = get_config_bool_node_default(nvl, "wait", false);		sc->rfb_wait = get_config_bool_node_default(nvl, "wait", false);

▲ Show 20 Lines • Show All 225 Lines • ▼ Show 20 Lines
}		}
#endif		#endif

struct pci_devemu pci_fbuf = {		struct pci_devemu pci_fbuf = {
.pe_emu = "fbuf",		.pe_emu = "fbuf",
.pe_init = pci_fbuf_init,		.pe_init = pci_fbuf_init,
.pe_barwrite = pci_fbuf_write,		.pe_barwrite = pci_fbuf_write,
.pe_barread = pci_fbuf_read,		.pe_barread = pci_fbuf_read,
		.pe_baraddr = pci_fbuf_baraddr,
#ifdef BHYVE_SNAPSHOT		#ifdef BHYVE_SNAPSHOT
.pe_snapshot = pci_fbuf_snapshot,		.pe_snapshot = pci_fbuf_snapshot,
#endif		#endif
};		};
PCI_EMUL_SET(pci_fbuf);		PCI_EMUL_SET(pci_fbuf);