Differential D18734 Diff 53402 sys/dev/nvdimm/nvdimm.c

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sys/dev/nvdimm/nvdimm.c

Show First 20 Lines • Show All 221 Lines • ▼ Show 20 Lines

static int		static int
nvdimm_resume(device_t dev)		nvdimm_resume(device_t dev)
{		{

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

		static int
		nvdimm_root_create_spa(void nfitsubtbl, void arg)
		{
		enum SPA_mapping_type spa_type;
		ACPI_NFIT_SYSTEM_ADDRESS *nfitaddr;
		struct SPA_mapping *spa;
		struct nvdimm_root_dev *dev;
		int error;

		nfitaddr = nfitsubtbl;
		dev = arg;
		spa_type = nvdimm_spa_type_from_uuid(
		(struct uuid *)nfitaddr->RangeGuid);
		if (spa_type == SPA_TYPE_UNKNOWN)
		return (0);
		spa = malloc(sizeof(struct SPA_mapping), M_NVDIMM, M_WAITOK \| M_ZERO);
		error = nvdimm_spa_init(spa, nfitaddr, spa_type);
		if (error != 0) {
		nvdimm_spa_fini(spa);
		free(spa, M_NVDIMM);
		}
		SLIST_INSERT_HEAD(&dev->spas, spa, link);
		return (0);
		}

static ACPI_STATUS		static ACPI_STATUS
nvdimm_root_create_dev(ACPI_HANDLE handle, UINT32 nesting_level, void *context,		nvdimm_root_create_dev(ACPI_HANDLE handle, UINT32 nesting_level, void *context,
void **return_value)		void **return_value)
{		{
ACPI_STATUS status;		ACPI_STATUS status;
ACPI_DEVICE_INFO *device_info;		ACPI_DEVICE_INFO *device_info;
device_t parent, child;		device_t parent, child;
uintptr_t *ivars;		uintptr_t *ivars;
Show All 33 Lines	nvdimm_root_probe(device_t dev)
return (rv);		return (rv);
}		}

static int		static int
nvdimm_root_attach(device_t dev)		nvdimm_root_attach(device_t dev)
{		{
ACPI_HANDLE handle;		ACPI_HANDLE handle;
ACPI_STATUS status;		ACPI_STATUS status;
		ACPI_TABLE_NFIT *nfitbl;
int error;		int error;

handle = acpi_get_handle(dev);		handle = acpi_get_handle(dev);
status = AcpiWalkNamespace(ACPI_TYPE_DEVICE, handle, 1,		status = AcpiWalkNamespace(ACPI_TYPE_DEVICE, handle, 1,
nvdimm_root_create_dev, NULL, dev, NULL);		nvdimm_root_create_dev, NULL, dev, NULL);
if (ACPI_FAILURE(status))		if (ACPI_FAILURE(status))
device_printf(dev, "failed adding children\n");		device_printf(dev, "failed adding children\n");
error = bus_generic_attach(dev);		error = bus_generic_attach(dev);
		if (error != 0)
return (error);		return (error);
		status = AcpiGetTable(ACPI_SIG_NFIT, 1, (ACPI_TABLE_HEADER **)&nfitbl);
		if (ACPI_FAILURE(status)) {
		device_printf(dev, "cannot get NFIT\n");
		return (ENXIO);
}		}
		error = nvdimm_iterate_nfit(nfitbl, ACPI_NFIT_TYPE_SYSTEM_ADDRESS,
		nvdimm_root_create_spa, device_get_softc(dev));
		AcpiPutTable(&nfitbl->Header);
		return (error);
		}

static int		static int
nvdimm_root_detach(device_t dev)		nvdimm_root_detach(device_t dev)
{		{
		struct nvdimm_root_dev *root;
		struct SPA_mapping spa, next;
device_t *children;		device_t *children;
int i, error, num_children;		int i, error, num_children;

		root = device_get_softc(dev);
		SLIST_FOREACH_SAFE(spa, &root->spas, link, next) {
		nvdimm_spa_fini(spa);
		SLIST_REMOVE_HEAD(&root->spas, link);
		free(spa, M_NVDIMM);
		}
error = bus_generic_detach(dev);		error = bus_generic_detach(dev);
if (error != 0)		if (error != 0)
return (error);		return (error);
error = device_get_children(dev, &children, &num_children);		error = device_get_children(dev, &children, &num_children);
if (error != 0)		if (error != 0)
return (error);		return (error);
for (i = 0; i < num_children; i++)		for (i = 0; i < num_children; i++)
free(device_get_ivars(children[i]), M_NVDIMM);		free(device_get_ivars(children[i]), M_NVDIMM);
▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines	static device_method_t nvdimm_root_methods[] = {
DEVMETHOD(bus_read_ivar, nvdimm_root_read_ivar),		DEVMETHOD(bus_read_ivar, nvdimm_root_read_ivar),
DEVMETHOD(bus_write_ivar, nvdimm_root_write_ivar),		DEVMETHOD(bus_write_ivar, nvdimm_root_write_ivar),
DEVMETHOD_END		DEVMETHOD_END
};		};

static driver_t nvdimm_root_driver = {		static driver_t nvdimm_root_driver = {
"nvdimm_root",		"nvdimm_root",
nvdimm_root_methods,		nvdimm_root_methods,
		sizeof(struct nvdimm_root_dev),
};		};

DRIVER_MODULE(nvdimm_root, acpi, nvdimm_root_driver, nvdimm_root_devclass, NULL,		DRIVER_MODULE(nvdimm_root, acpi, nvdimm_root_driver, nvdimm_root_devclass, NULL,
NULL);		NULL);
DRIVER_MODULE(nvdimm, nvdimm_root, nvdimm_driver, nvdimm_devclass, NULL, NULL);		DRIVER_MODULE(nvdimm, nvdimm_root, nvdimm_driver, nvdimm_devclass, NULL, NULL);
MODULE_DEPEND(nvdimm, acpi, 1, 1, 1);		MODULE_DEPEND(nvdimm, acpi, 1, 1, 1);