acpi/nfit/core.c

190 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
198 		if (test_bit(NFIT_MEM_LSR, &nfit_mem->flags))
205 		if (test_bit(NFIT_MEM_LSR, &nfit_mem->flags)
210 		if (test_bit(NFIT_MEM_LSW, &nfit_mem->flags)
397 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
399 	if (nfit_mem && nfit_mem->family == NVDIMM_FAMILY_INTEL
406 static int cmd_to_func(struct nfit_mem *nfit_mem, unsigned int cmd,
412 		if (nfit_mem && nfit_mem->family != call_pkg->nd_family)
423 	if (!nfit_mem)
427 	if (nfit_mem->family == NVDIMM_FAMILY_INTEL)
441 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
464 	func = cmd_to_func(nfit_mem, cmd, call_pkg, &family);
469 		struct acpi_device *adev = nfit_mem->adev;
477 		dsm_mask = nfit_mem->dsm_mask;
479 		guid = to_nfit_uuid(nfit_mem->family);
544 			&& test_bit(NFIT_MEM_LSR, &nfit_mem->flags))
547 			&& test_bit(NFIT_MEM_LSR, &nfit_mem->flags)) {
552 			&& test_bit(NFIT_MEM_LSW, &nfit_mem->flags)) {
561 			revid = nfit_dsm_revid(nfit_mem->family, func);
766 	struct nfit_mem *nfit_mem;
772 		list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) {
773 			memdev = __to_nfit_memdev(nfit_mem);
1010 	struct nfit_mem *nfit_mem, *found;
1043 		list_for_each_entry(nfit_mem, &acpi_desc->dimms, list)
1044 			if (__to_nfit_memdev(nfit_mem)->device_handle
1046 				found = nfit_mem;
1051 			nfit_mem = found;
1053 			nfit_mem = devm_kzalloc(acpi_desc->dev,
1054 					sizeof(*nfit_mem), GFP_KERNEL);
1055 			if (!nfit_mem)
1057 			INIT_LIST_HEAD(&nfit_mem->list);
1058 			nfit_mem->acpi_desc = acpi_desc;
1059 			list_add(&nfit_mem->list, &acpi_desc->dimms);
1072 			if (!nfit_mem->dcr)
1073 				nfit_mem->dcr = nfit_dcr->dcr;
1074 			else if (nfit_mem->dcr->windows == 0
1076 				nfit_mem->dcr = nfit_dcr->dcr;
1086 			nfit_mem->nfit_flush = nfit_flush;
1088 			nfit_mem->flush_wpq = devm_kcalloc(acpi_desc->dev,
1092 			if (!nfit_mem->flush_wpq)
1095 				struct resource *res = &nfit_mem->flush_wpq[i];
1103 		if (dcr && !nfit_mem->dcr) {
1114 			nfit_mem->spa_dcr = spa;
1115 			nfit_mem->memdev_dcr = nfit_memdev->memdev;
1120 				nfit_mem->idt_dcr = nfit_idt->idt;
1129 			nfit_mem->memdev_pmem = nfit_memdev->memdev;
1131 			nfit_mem->memdev_dcr = nfit_memdev->memdev;
1140 	struct nfit_mem *a = container_of(_a, typeof(*a), list);
1141 	struct nfit_mem *b = container_of(_b, typeof(*b), list);
1164 	 * the DCR.  Throw it all into an nfit_mem object.  Note, that
1372 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1374 	return __to_nfit_memdev(nfit_mem);
1380 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1382 	return nfit_mem->dcr;
1460 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1463 	if (nfit_mem->memdev_pmem)
1482 	struct nfit_mem *nfit_mem;
1488 	nfit_mem = nvdimm_provider_data(nvdimm);
1489 	acpi_desc = nfit_mem->acpi_desc;
1540 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1542 	if (nfit_mem->family < 0)
1544 	return sysfs_emit(buf, "%d\n", nfit_mem->family);
1552 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1554 	if (nfit_mem->family < 0)
1556 	return sysfs_emit(buf, "%#lx\n", nfit_mem->dsm_mask);
1564 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1565 	u16 flags = __to_nfit_memdev(nfit_mem)->flags;
1567 	if (test_bit(NFIT_MEM_DIRTY, &nfit_mem->flags))
1585 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1587 	return sysfs_emit(buf, "%s\n", nfit_mem->id);
1595 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1597 	return sysfs_emit(buf, "%d\n", nfit_mem->dirty_shutdown);
1627 	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
1642 	if (!test_bit(NFIT_MEM_DIRTY_COUNT, &nfit_mem->flags)
1663 	struct nfit_mem *nfit_mem;
1665 	list_for_each_entry(nfit_mem, &acpi_desc->dimms, list)
1666 		if (__to_nfit_memdev(nfit_mem)->device_handle == device_handle)
1667 			return nfit_mem->nvdimm;
1674 	struct nfit_mem *nfit_mem;
1691 	 * If we successfully retrieved acpi_desc, then we know nfit_mem data
1694 	nfit_mem = dev_get_drvdata(dev);
1695 	if (nfit_mem && nfit_mem->flags_attr)
1696 		sysfs_notify_dirent(nfit_mem->flags_attr);
1722 __weak void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem)
1724 	struct device *dev = &nfit_mem->adev->dev;
1736 	const guid_t *guid = to_nfit_uuid(nfit_mem->family);
1737 	u8 revid = nfit_dsm_revid(nfit_mem->family, func);
1738 	struct acpi_device *adev = nfit_mem->adev;
1742 	if ((nfit_mem->dsm_mask & (1 << func)) == 0)
1757 			set_bit(NFIT_MEM_DIRTY, &nfit_mem->flags);
1761 		set_bit(NFIT_MEM_DIRTY_COUNT, &nfit_mem->flags);
1762 		nfit_mem->dirty_shutdown = smart.shutdown_count;
1766 static void populate_shutdown_status(struct nfit_mem *nfit_mem)
1771 	 * these values in nfit_mem.
1773 	if (nfit_mem->family == NVDIMM_FAMILY_INTEL)
1774 		nfit_intel_shutdown_status(nfit_mem);
1778 		struct nfit_mem *nfit_mem, u32 device_handle)
1787 	struct acpi_nfit_control_region *dcr = nfit_mem->dcr;
1790 	nfit_mem->dsm_mask = acpi_desc->dimm_cmd_force_en;
1791 	nfit_mem->family = NVDIMM_FAMILY_INTEL;
1795 		sprintf(nfit_mem->id, "%04x-%02x-%04x-%08x",
1801 		sprintf(nfit_mem->id, "%04x-%08x",
1808 		populate_shutdown_status(nfit_mem);
1813 	nfit_mem->adev = adev_dimm;
1827 	 * Record nfit_mem for the notification path to track back to
1830 	dev_set_drvdata(&adev_dimm->dev, nfit_mem);
1854 	nfit_mem->family = family;
1857 	else if (nfit_mem->family == NVDIMM_FAMILY_INTEL) {
1861 	} else if (nfit_mem->family == NVDIMM_FAMILY_HPE1) {
1863 	} else if (nfit_mem->family == NVDIMM_FAMILY_HPE2) {
1867 	} else if (nfit_mem->family == NVDIMM_FAMILY_MSFT) {
1869 	} else if (nfit_mem->family == NVDIMM_FAMILY_HYPERV) {
1873 		nfit_mem->family = -1;
1885 	guid = to_nfit_uuid(nfit_mem->family);
1888 					nfit_dsm_revid(nfit_mem->family, i),
1890 			set_bit(i, &nfit_mem->dsm_mask);
1905 			set_bit(NFIT_MEM_LSR, &nfit_mem->flags);
1908 		if (test_bit(NFIT_MEM_LSR, &nfit_mem->flags)
1911 			set_bit(NFIT_MEM_LSW, &nfit_mem->flags);
1918 		if (!test_bit(NFIT_MEM_LSW, &nfit_mem->flags)
1922 			clear_bit(NFIT_MEM_LSR, &nfit_mem->flags);
1928 	populate_shutdown_status(nfit_mem);
1936 	struct nfit_mem *nfit_mem;
1940 	 * Clear out the nfit_mem->flags_attr and shut down dimm event
1943 	list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) {
1944 		struct acpi_device *adev_dimm = nfit_mem->adev;
1946 		if (nfit_mem->flags_attr) {
1947 			sysfs_put(nfit_mem->flags_attr);
1948 			nfit_mem->flags_attr = NULL;
1970 		struct nfit_mem *nfit_mem)
1973 	struct acpi_nfit_desc *acpi_desc = nfit_mem->acpi_desc;
1979 	if (nfit_mem->family != NVDIMM_FAMILY_INTEL)
1982 	mask = nfit_mem->dsm_mask & NVDIMM_INTEL_FW_ACTIVATE_CMDMASK;
1991 	struct nfit_mem *nfit_mem;
1995 	list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) {
2002 		device_handle = __to_nfit_memdev(nfit_mem)->device_handle;
2013 			dimm_memdev = __to_nfit_memdev(nfit_mem);
2020 		mem_flags = __to_nfit_memdev(nfit_mem)->flags;
2024 		rc = acpi_nfit_add_dimm(acpi_desc, nfit_mem, device_handle);
2034 		if (nfit_mem->family == NVDIMM_FAMILY_INTEL) {
2040 			cmd_mask |= nfit_mem->dsm_mask & NVDIMM_STANDARD_CMDMASK;
2043 		if (test_bit(NFIT_MEM_LSR, &nfit_mem->flags)) {
2047 		if (test_bit(NFIT_MEM_LSW, &nfit_mem->flags))
2050 		flush = nfit_mem->nfit_flush ? nfit_mem->nfit_flush->flush
2052 		nvdimm = __nvdimm_create(acpi_desc->nvdimm_bus, nfit_mem,
2055 				nfit_mem->flush_wpq, &nfit_mem->id[0],
2056 				acpi_nfit_get_security_ops(nfit_mem->family),
2057 				acpi_nfit_get_fw_ops(nfit_mem));
2061 		nfit_mem->nvdimm = nvdimm;
2085 	list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) {
2088 		nvdimm = nfit_mem->nvdimm;
2094 			nfit_mem->flags_attr = sysfs_get_dirent(nfit_kernfs,
2097 		if (!nfit_mem->flags_attr)
2284 		struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
2289 		struct acpi_nfit_control_region *dcr = nfit_mem->dcr;
2291 		if (!memdev || !nfit_mem->dcr) {
2326 			struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
2327 			struct acpi_nfit_control_region *dcr = nfit_mem->dcr;