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Differential D29571 Diff 86812 usr.sbin/bhyve/pci_passthru.c

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usr.sbin/bhyve/pci_passthru.c

Show First 20 Lines • Show All 613 Lines • ▼ Show 20 Lines pci_set_cfgdata16(pi, PCIR_COMMAND, read_config(&sc->psc_sel,
PCIR_COMMAND, 2)); PCIR_COMMAND, 2));
error = 0; /* success */ error = 0; /* success */
done: done:
return (error); return (error);
} }
static int static int
passthru_legacy_config(nvlist_t *nvl, const char *opts) passthru_legacy_config(config_node_t *node, const char *opts)
{ {
char value[16]; char value[16];
int bus, slot, func; int bus, slot, func;
if (opts == NULL) if (opts == NULL)
return (0); return (0);
if (sscanf(opts, "%d/%d/%d", &bus, &slot, &func) != 3) { if (sscanf(opts, "%d/%d/%d", &bus, &slot, &func) != 3) {
EPRINTLN("passthru: invalid options \"%s\"", opts); EPRINTLN("passthru: invalid options \"%s\"", opts);
return (-1); return (-1);
} }
snprintf(value, sizeof(value), "%d", bus); snprintf(value, sizeof(value), "%d", bus);
set_config_value_node(nvl, "bus", value); set_config_value_node(node, "bus", value);
snprintf(value, sizeof(value), "%d", slot); snprintf(value, sizeof(value), "%d", slot);
set_config_value_node(nvl, "slot", value); set_config_value_node(node, "slot", value);
snprintf(value, sizeof(value), "%d", func); snprintf(value, sizeof(value), "%d", func);
set_config_value_node(nvl, "func", value); set_config_value_node(node, "func", value);
return (0); return (0);
} }
static int static int
passthru_init(struct vmctx *ctx, struct pci_devinst *pi, nvlist_t *nvl) passthru_init(struct vmctx *ctx, struct pci_devinst *pi, config_node_t *node)
{ {
int bus, slot, func, error, memflags; int bus, slot, func, error, memflags;
struct passthru_softc *sc; struct passthru_softc *sc;
const char *value; const char *value;
#ifndef WITHOUT_CAPSICUM #ifndef WITHOUT_CAPSICUM
cap_rights_t rights; cap_rights_t rights;
cap_ioctl_t pci_ioctls[] = { PCIOCREAD, PCIOCWRITE, PCIOCGETBAR }; cap_ioctl_t pci_ioctls[] = { PCIOCREAD, PCIOCWRITE, PCIOCGETBAR };
cap_ioctl_t io_ioctls[] = { IODEV_PIO }; cap_ioctl_t io_ioctls[] = { IODEV_PIO };
▲ Show 20 Lines • Show All 53 Lines • ▼ Show 20 Lines
#ifndef WITHOUT_CAPSICUM #ifndef WITHOUT_CAPSICUM
cap_rights_clear(&rights, CAP_IOCTL); cap_rights_clear(&rights, CAP_IOCTL);
cap_rights_set(&rights, CAP_MMAP_RW); cap_rights_set(&rights, CAP_MMAP_RW);
if (caph_rights_limit(memfd, &rights) == -1) if (caph_rights_limit(memfd, &rights) == -1)
errx(EX_OSERR, "Unable to apply rights for sandbox"); errx(EX_OSERR, "Unable to apply rights for sandbox");
#endif #endif
#define GET_INT_CONFIG(var, name) do { \ #define GET_INT_CONFIG(var, name) do { \
value = get_config_value_node(nvl, name); \ value = get_config_value_node(node, name); \
if (value == NULL) { \ if (value == NULL) { \
EPRINTLN("passthru: missing required %s setting", name); \ EPRINTLN("passthru: missing required %s setting", name); \
return (error); \ return (error); \
} \ } \
var = atoi(value); \ var = atoi(value); \
} while (0) } while (0)
GET_INT_CONFIG(bus, "bus"); GET_INT_CONFIG(bus, "bus");
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