Differential D39308 Diff 119585 usr.sbin/bhyve/pci_passthru.c

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usr.sbin/bhyve/pci_passthru.c

Show First 20 Lines • Show All 954 Lines • ▼ Show 20 Lines	if (bytes <= 2)
return (-1);		return (-1);

*rv = read_config(&sc->psc_sel, PCIR_STATUS, 2) << 16 \|		*rv = read_config(&sc->psc_sel, PCIR_STATUS, 2) << 16 \|
pci_get_cfgdata16(pi, PCIR_COMMAND);		pci_get_cfgdata16(pi, PCIR_COMMAND);

return (0);		return (0);
}		}

static int
passthru_cfgread_default(struct passthru_softc *sc,
struct pci_devinst pi __unused, int coff, int bytes, uint32_t rv)
{
*rv = read_config(&sc->psc_sel, coff, bytes);

return (0);
}

int		int
passthru_cfgread_emulate(struct passthru_softc *sc __unused,		passthru_cfgread_emulate(struct passthru_softc *sc __unused,
struct pci_devinst *pi __unused, int coff __unused, int bytes __unused,		struct pci_devinst *pi __unused, int coff __unused, int bytes __unused,
uint32_t *rv __unused)		uint32_t *rv __unused)
{		{
return (-1);		return (-1);
}		}

static int		static int
passthru_cfgread(struct pci_devinst pi, int coff, int bytes, uint32_t rv)		passthru_cfgread(struct pci_devinst pi, int coff, int bytes, uint32_t rv)
{		{
struct passthru_softc *sc;		struct passthru_softc *sc;

sc = pi->pi_arg;		sc = pi->pi_arg;

if (sc->psc_pcir_rhandler[coff] != NULL)		if (sc->psc_pcir_rhandler[coff] != NULL)
return (sc->psc_pcir_rhandler[coff](sc, pi, coff, bytes, rv));		return (sc->psc_pcir_rhandler[coff](sc, pi, coff, bytes, rv));

return (passthru_cfgread_default(sc, pi, coff, bytes, rv));		*rv = read_config(&sc->psc_sel, coff, bytes);

		return (0);
}		}

static int		static int
passthru_cfgwrite_command(struct passthru_softc sc, struct pci_devinst pi,		passthru_cfgwrite_command(struct passthru_softc sc, struct pci_devinst pi,
int coff, int bytes, uint32_t val)		int coff, int bytes, uint32_t val)
{		{
uint16_t cmd_old;		uint16_t cmd_old;

Show All 16 Lines	if (bytes == 1)
pci_set_cfgdata8(pi, coff, val);		pci_set_cfgdata8(pi, coff, val);
else if (bytes == 2)		else if (bytes == 2)
pci_set_cfgdata16(pi, coff, val);		pci_set_cfgdata16(pi, coff, val);
pci_emul_cmd_changed(pi, cmd_old);		pci_emul_cmd_changed(pi, cmd_old);

return (0);		return (0);
}		}

static int
passthru_cfgwrite_default(struct passthru_softc sc, struct pci_devinst pi,
int coff, int bytes, uint32_t val)
{
write_config(&sc->psc_sel, coff, bytes, val);

return (0);
}

int		int
passthru_cfgwrite_emulate(struct passthru_softc *sc __unused,		passthru_cfgwrite_emulate(struct passthru_softc *sc __unused,
struct pci_devinst *pi __unused, int coff __unused, int bytes __unused,		struct pci_devinst *pi __unused, int coff __unused, int bytes __unused,
uint32_t val __unused)		uint32_t val __unused)
{		{
return (-1);		return (-1);
}		}

▲ Show 20 Lines • Show All 48 Lines • ▼ Show 20 Lines
{		{
struct passthru_softc *sc;		struct passthru_softc *sc;

sc = pi->pi_arg;		sc = pi->pi_arg;

if (sc->psc_pcir_whandler[coff] != NULL)		if (sc->psc_pcir_whandler[coff] != NULL)
return (sc->psc_pcir_whandler[coff](sc, pi, coff, bytes, val));		return (sc->psc_pcir_whandler[coff](sc, pi, coff, bytes, val));

return (passthru_cfgwrite_default(sc, pi, coff, bytes, val));		write_config(&sc->psc_sel, coff, bytes, val);

		return (0);
}		}

static void		static void
passthru_write(struct pci_devinst *pi, int baridx, uint64_t offset, int size,		passthru_write(struct pci_devinst *pi, int baridx, uint64_t offset, int size,
uint64_t value)		uint64_t value)
{		{
struct passthru_softc *sc;		struct passthru_softc *sc;
struct pci_bar_ioreq pio;		struct pci_bar_ioreq pio;
▲ Show 20 Lines • Show All 184 Lines • Show Last 20 Lines