static int envctrl_detach(device_t dev) { struct pcf_softc *sc; int rv; sc = DEVTOSOFTC(dev); if ((rv = bus_generic_detach(dev)) != 0) return (rv); if ((rv = device_delete_child(dev, sc->iicbus)) != 0) return (rv); if (sc->res_irq != 0) { BUS_TEARDOWN_INTR(device_get_parent(dev), dev, sc->res_irq, sc->intr_cookie); bus_deactivate_resource(dev, SYS_RES_IRQ, sc->rid_irq, sc->res_irq); bus_release_resource(dev, SYS_RES_IRQ, sc->rid_irq, sc->res_irq); } bus_deactivate_resource(dev, SYS_RES_IOPORT, sc->rid_ioport, sc->res_ioport); bus_release_resource(dev, SYS_RES_IOPORT, sc->rid_ioport, sc->res_ioport); return (0); }
static int sbus_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { struct resource_list *rl; struct resource_list_entry *rle; int error, passthrough; passthrough = (device_get_parent(child) != bus); rl = BUS_GET_RESOURCE_LIST(bus, child); if (type == SYS_RES_MEMORY) { if ((rman_get_flags(r) & RF_ACTIVE) != 0) { error = bus_deactivate_resource(child, type, rid, r); if (error) return (error); } error = rman_release_resource(r); if (error != 0) return (error); if (!passthrough) { rle = resource_list_find(rl, type, rid); KASSERT(rle != NULL, ("%s: resource entry not found!", __func__)); KASSERT(rle->res != NULL, ("%s: resource entry is not busy", __func__)); rle->res = NULL; } return (0); } return (resource_list_release(rl, bus, child, type, rid, r)); }
static void dmar_release_resources(device_t dev, struct dmar_unit *unit) { int i; dmar_fini_busdma(unit); dmar_fini_irt(unit); dmar_fini_qi(unit); dmar_fini_fault_log(unit); for (i = 0; i < DMAR_INTR_TOTAL; i++) dmar_release_intr(dev, unit, i); if (unit->regs != NULL) { bus_deactivate_resource(dev, SYS_RES_MEMORY, unit->reg_rid, unit->regs); bus_release_resource(dev, SYS_RES_MEMORY, unit->reg_rid, unit->regs); unit->regs = NULL; } if (unit->domids != NULL) { delete_unrhdr(unit->domids); unit->domids = NULL; } if (unit->ctx_obj != NULL) { vm_object_deallocate(unit->ctx_obj); unit->ctx_obj = NULL; } }
/* * Release the resources allocated by cmx_allocate_resources. */ void cmx_release_resources(device_t dev) { struct cmx_softc *sc = device_get_softc(dev); mtx_destroy(&sc->mtx); #ifdef CMX_INTR if (sc->ih) { bus_teardown_intr(dev, sc->irq, sc->ih); sc->ih = NULL; } if (sc->irq) { bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, sc->irq); sc->irq = NULL; } #endif if (sc->ioport) { bus_deactivate_resource(dev, SYS_RES_IOPORT, sc->ioport_rid, sc->ioport); bus_release_resource(dev, SYS_RES_IOPORT, sc->ioport_rid, sc->ioport); sc->ioport = NULL; } return; }
int pci_vf_release_mem_resource(device_t dev, device_t child, int rid, struct resource *r) { struct pci_devinfo *dinfo; struct resource_list_entry *rle; int error; dinfo = device_get_ivars(child); if (rman_get_flags(r) & RF_ACTIVE) { error = bus_deactivate_resource(child, SYS_RES_MEMORY, rid, r); if (error != 0) return (error); } rle = resource_list_find(&dinfo->resources, SYS_RES_MEMORY, rid); if (rle != NULL) { rle->res = NULL; resource_list_delete(&dinfo->resources, SYS_RES_MEMORY, rid); } return (rman_release_resource(r)); }
static int sbus_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { struct resource_list *rl; struct resource_list_entry *rle; int error, passthrough; passthrough = (device_get_parent(child) != bus); rl = BUS_GET_RESOURCE_LIST(bus, child); if (type == SYS_RES_IRQ) return (resource_list_release(rl, bus, child, type, rid, r)); if ((rman_get_flags(r) & RF_ACTIVE) != 0) { error = bus_deactivate_resource(child, type, rid, r); if (error != 0) return (error); } error = rman_release_resource(r); if (error != 0 || passthrough) return (error); rle = resource_list_find(rl, type, rid); if (rle == NULL) panic("%s: cannot find resource", __func__); if (rle->res == NULL) panic("%s: resource entry is not busy", __func__); rle->res = NULL; return (0); }
static int sbus_deactivate_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { if (type == SYS_RES_IRQ) return (bus_deactivate_resource(bus, type, rid, r)); return (rman_deactivate_resource(r)); }
static int nexus_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { if (rman_get_flags(r) & RF_ACTIVE) { int error = bus_deactivate_resource(child, type, rid, r); if (error) return error; } return (rman_release_resource(r)); }
static int ofwbus_release_resource(device_t bus __unused, device_t child, int type, int rid, struct resource *r) { int error; if ((rman_get_flags(r) & RF_ACTIVE) != 0) { error = bus_deactivate_resource(child, type, rid, r); if (error) return (error); } return (rman_release_resource(r)); }
/* * Deallocate anything allocated by xenpci_allocate_resources. */ static int xenpci_deallocate_resources(device_t dev) { struct xenpci_softc *scp = device_get_softc(dev); if (scp->res_irq != 0) { bus_deactivate_resource(dev, SYS_RES_IRQ, scp->rid_irq, scp->res_irq); bus_release_resource(dev, SYS_RES_IRQ, scp->rid_irq, scp->res_irq); scp->res_irq = 0; } if (scp->res_memory != 0) { bus_deactivate_resource(dev, SYS_RES_MEMORY, scp->rid_memory, scp->res_memory); bus_release_resource(dev, SYS_RES_MEMORY, scp->rid_memory, scp->res_memory); scp->res_memory = 0; } return (0); }
static int lbc_release_resource(device_t dev, device_t child, int type, int rid, struct resource *res) { int err; if (rman_get_flags(res) & RF_ACTIVE) { err = bus_deactivate_resource(child, type, rid, res); if (err) return (err); } return (rman_release_resource(res)); }
static int pcf_probe(device_t pcfdev) { struct pcf_softc *pcf = DEVTOSOFTC(pcfdev); device_t parent = device_get_parent(pcfdev); uintptr_t base; device_set_desc(pcfdev, "PCF8584 I2C bus controller"); bzero(pcf, sizeof(struct pcf_softc)); pcf->rid_irq = pcf->rid_ioport = 0; pcf->res_irq = pcf->res_ioport = NULL; /* IO port is mandatory */ pcf->res_ioport = bus_alloc_resource(pcfdev, SYS_RES_IOPORT, &pcf->rid_ioport, 0ul, ~0ul, IO_PCFSIZE, RF_ACTIVE); if (pcf->res_ioport == NULL) { device_printf(pcfdev, "cannot reserve I/O port range\n"); goto error; } BUS_READ_IVAR(parent, pcfdev, ISA_IVAR_PORT, &base); pcf->pcf_base = base; pcf->pcf_flags = device_get_flags(pcfdev); if (!(pcf->pcf_flags & IIC_POLLED)) { pcf->res_irq = bus_alloc_resource(pcfdev, SYS_RES_IRQ, &pcf->rid_irq, 0ul, ~0ul, 1, RF_ACTIVE); if (pcf->res_irq == NULL) { device_printf(pcfdev, "can't reserve irq, polled mode.\n"); pcf->pcf_flags |= IIC_POLLED; } } /* reset the chip */ pcf_rst_card(pcfdev, IIC_FASTEST, PCF_DEFAULT_ADDR, NULL); return (0); error: if (pcf->res_ioport != NULL) { bus_deactivate_resource(pcfdev, SYS_RES_IOPORT, pcf->rid_ioport, pcf->res_ioport); bus_release_resource(pcfdev, SYS_RES_IOPORT, pcf->rid_ioport, pcf->res_ioport); } return (ENXIO); }
static int ofw_pci_release_resource(device_t bus, device_t child, int type, int rid, struct resource *res) { if (rman_get_flags(res) & RF_ACTIVE) { int error; error = bus_deactivate_resource(child, type, rid, res); if (error != 0) return (error); } return (rman_release_resource(res)); }
static int nexus_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { if (rman_get_flags(r) & RF_ACTIVE) { int error = bus_deactivate_resource(child, type, rid, r); if (error) return error; } #ifdef PC98 if (type == SYS_RES_MEMORY || type == SYS_RES_IOPORT) { i386_bus_space_handle_free(r->r_bustag, r->r_bushandle, r->r_bushandle->bsh_sz); } #endif return (rman_release_resource(r)); }
static int zbpci_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { int error; if (type != SYS_RES_IOPORT) return (bus_generic_release_resource(bus, child, type, rid, r)); if (rman_get_flags(r) & RF_ACTIVE) { error = bus_deactivate_resource(child, type, rid, r); if (error) return (error); } return (rman_release_resource(r)); }
static int ofwbus_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { struct resource_list_entry *rle; int error; /* Clean resource list entry */ rle = resource_list_find(BUS_GET_RESOURCE_LIST(bus, child), type, rid); if (rle != NULL) rle->res = NULL; if ((rman_get_flags(r) & RF_ACTIVE) != 0) { error = bus_deactivate_resource(child, type, rid, r); if (error) return (error); } return (rman_release_resource(r)); }
static int cbb_pci_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) { struct cbb_softc *sc; int error; sc = device_get_softc(bus); if (type == PCI_RES_BUS) { if (!rman_is_region_manager(r, &sc->bus.rman)) return (EINVAL); if (rman_get_flags(r) & RF_ACTIVE) { error = bus_deactivate_resource(child, type, rid, r); if (error) return (error); } return (rman_release_resource(r)); } return (cbb_release_resource(bus, child, type, rid, r)); }
/** Free the resource pointing to the register page. **/ static int quantis_deallocate_resources(device_t device) { struct quantis_pci_device *scp = DEVICE2SOFTC(device); if (scp->reg != 0) { bus_deactivate_resource(device, scp->regtype, scp->regid, scp->reg); bus_release_resource(device, scp->regtype, scp->regid, scp->reg); scp->reg = 0; } if (scp->dev) { destroy_dev(scp->dev); } mtx_destroy(&scp->mutex); return (0); }
static int macgpio_deactivate_resource(device_t bus, device_t child, int type, int rid, struct resource *res) { struct macgpio_softc *sc; struct macgpio_devinfo *dinfo; u_char val; sc = device_get_softc(bus); dinfo = device_get_ivars(child); if (type != SYS_RES_IRQ) return ENXIO; if (dinfo->gpio_num >= 0) { val = bus_read_1(sc->sc_gpios,dinfo->gpio_num); val &= ~0x80; bus_write_1(sc->sc_gpios,dinfo->gpio_num,val); } return (bus_deactivate_resource(bus, type, rid, res)); }
int ppc_probe(device_t dev) { #ifdef __i386__ static short next_bios_ppc = 0; #endif struct ppc_data *ppc; int error; u_long port; /* * Allocate the ppc_data structure. */ ppc = DEVTOSOFTC(dev); bzero(ppc, sizeof(struct ppc_data)); ppc->rid_irq = ppc->rid_drq = ppc->rid_ioport = 0; ppc->res_irq = ppc->res_drq = ppc->res_ioport = 0; /* retrieve ISA parameters */ error = bus_get_resource(dev, SYS_RES_IOPORT, 0, &port, NULL); #ifdef __i386__ /* * If port not specified, use bios list. */ if (error) { if((next_bios_ppc < BIOS_MAX_PPC) && (*(BIOS_PORTS+next_bios_ppc) != 0) ) { port = *(BIOS_PORTS+next_bios_ppc++); if (bootverbose) device_printf(dev, "parallel port found at 0x%x\n", (int) port); } else { device_printf(dev, "parallel port not found.\n"); return ENXIO; } bus_set_resource(dev, SYS_RES_IOPORT, 0, port, IO_LPTSIZE_EXTENDED); } #endif #ifdef __alpha__ /* * There isn't a bios list on alpha. Put it in the usual place. */ if (error) { bus_set_resource(dev, SYS_RES_IOPORT, 0, 0x3bc, IO_LPTSIZE_NORMAL); } #endif /* IO port is mandatory */ /* Try "extended" IO port range...*/ ppc->res_ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &ppc->rid_ioport, 0, ~0, IO_LPTSIZE_EXTENDED, RF_ACTIVE); if (ppc->res_ioport != 0) { if (bootverbose) device_printf(dev, "using extended I/O port range\n"); } else { /* Failed? If so, then try the "normal" IO port range... */ ppc->res_ioport = bus_alloc_resource(dev, SYS_RES_IOPORT, &ppc->rid_ioport, 0, ~0, IO_LPTSIZE_NORMAL, RF_ACTIVE); if (ppc->res_ioport != 0) { if (bootverbose) device_printf(dev, "using normal I/O port range\n"); } else { device_printf(dev, "cannot reserve I/O port range\n"); goto error; } } ppc->ppc_base = rman_get_start(ppc->res_ioport); ppc->bsh = rman_get_bushandle(ppc->res_ioport); ppc->bst = rman_get_bustag(ppc->res_ioport); ppc->ppc_flags = device_get_flags(dev); if (!(ppc->ppc_flags & 0x20)) { ppc->res_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &ppc->rid_irq, 0ul, ~0ul, 1, RF_SHAREABLE); ppc->res_drq = bus_alloc_resource(dev, SYS_RES_DRQ, &ppc->rid_drq, 0ul, ~0ul, 1, RF_ACTIVE); } if (ppc->res_irq) ppc->ppc_irq = rman_get_start(ppc->res_irq); if (ppc->res_drq) ppc->ppc_dmachan = rman_get_start(ppc->res_drq); ppc->ppc_unit = device_get_unit(dev); ppc->ppc_model = GENERIC; ppc->ppc_mode = PPB_COMPATIBLE; ppc->ppc_epp = (ppc->ppc_flags & 0x10) >> 4; ppc->ppc_type = PPC_TYPE_GENERIC; /* * Try to detect the chipset and its mode. */ if (ppc_detect(ppc, ppc->ppc_flags & 0xf)) goto error; return (0); error: if (ppc->res_irq != 0) { bus_release_resource(dev, SYS_RES_IRQ, ppc->rid_irq, ppc->res_irq); } if (ppc->res_ioport != 0) { bus_deactivate_resource(dev, SYS_RES_IOPORT, ppc->rid_ioport, ppc->res_ioport); bus_release_resource(dev, SYS_RES_IOPORT, ppc->rid_ioport, ppc->res_ioport); } if (ppc->res_drq != 0) { bus_deactivate_resource(dev, SYS_RES_DRQ, ppc->rid_drq, ppc->res_drq); bus_release_resource(dev, SYS_RES_DRQ, ppc->rid_drq, ppc->res_drq); } return (ENXIO); }
static int envctrl_attach(device_t dev) { struct pcf_softc *sc; int rv = ENXIO; sc = DEVTOSOFTC(dev); bzero(sc, sizeof(struct pcf_softc)); /* IO port is mandatory */ sc->res_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->rid_ioport, RF_ACTIVE); if (sc->res_ioport == 0) { device_printf(dev, "cannot reserve I/O port range\n"); goto error; } sc->bt_ioport = rman_get_bustag(sc->res_ioport); sc->bh_ioport = rman_get_bushandle(sc->res_ioport); sc->pcf_flags = device_get_flags(dev); if (!(sc->pcf_flags & IIC_POLLED)) { sc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->rid_irq, RF_ACTIVE); if (sc->res_irq == 0) { device_printf(dev, "can't reserve irq, polled mode.\n"); sc->pcf_flags |= IIC_POLLED; } } /* reset the chip */ pcf_rst_card(dev, IIC_FASTEST, PCF_DEFAULT_ADDR, NULL); rv = BUS_SETUP_INTR(device_get_parent(dev), dev, sc->res_irq, INTR_TYPE_NET /* | INTR_ENTROPY */, pcf_intr, sc, &sc->intr_cookie); if (rv) { device_printf(dev, "could not setup IRQ\n"); goto error; } if ((sc->iicbus = device_add_child(dev, "iicbus", -1)) == NULL) device_printf(dev, "could not allocate iicbus instance\n"); /* probe and attach the iicbus */ bus_generic_attach(dev); return (0); error: if (sc->res_irq != 0) { bus_deactivate_resource(dev, SYS_RES_IRQ, sc->rid_irq, sc->res_irq); bus_release_resource(dev, SYS_RES_IRQ, sc->rid_irq, sc->res_irq); } if (sc->res_ioport != 0) { bus_deactivate_resource(dev, SYS_RES_IOPORT, sc->rid_ioport, sc->res_ioport); bus_release_resource(dev, SYS_RES_IOPORT, sc->rid_ioport, sc->res_ioport); } return (rv); }