diff options
Diffstat (limited to 'include/xen')
-rw-r--r-- | include/xen/acpi.h | 35 | ||||
-rw-r--r-- | include/xen/arm/swiotlb-xen.h | 7 | ||||
-rw-r--r-- | include/xen/interface/features.h | 14 | ||||
-rw-r--r-- | include/xen/swiotlb-xen.h | 1 |
4 files changed, 22 insertions, 35 deletions
diff --git a/include/xen/acpi.h b/include/xen/acpi.h index 4ddd7dc4a61e..b1e11863144d 100644 --- a/include/xen/acpi.h +++ b/include/xen/acpi.h @@ -40,41 +40,6 @@ #include <xen/xen.h> #include <linux/acpi.h> -#define ACPI_MEMORY_DEVICE_CLASS "memory" -#define ACPI_MEMORY_DEVICE_HID "PNP0C80" -#define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device" - -int xen_stub_memory_device_init(void); -void xen_stub_memory_device_exit(void); - -#define ACPI_PROCESSOR_CLASS "processor" -#define ACPI_PROCESSOR_DEVICE_HID "ACPI0007" -#define ACPI_PROCESSOR_DEVICE_NAME "Processor" - -int xen_stub_processor_init(void); -void xen_stub_processor_exit(void); - -void xen_pcpu_hotplug_sync(void); -int xen_pcpu_id(uint32_t acpi_id); - -static inline int xen_acpi_get_pxm(acpi_handle h) -{ - unsigned long long pxm; - acpi_status status; - acpi_handle handle; - acpi_handle phandle = h; - - do { - handle = phandle; - status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm); - if (ACPI_SUCCESS(status)) - return pxm; - status = acpi_get_parent(handle, &phandle); - } while (ACPI_SUCCESS(status)); - - return -ENXIO; -} - int xen_acpi_notify_hypervisor_sleep(u8 sleep_state, u32 pm1a_cnt, u32 pm1b_cnd); int xen_acpi_notify_hypervisor_extended_sleep(u8 sleep_state, diff --git a/include/xen/arm/swiotlb-xen.h b/include/xen/arm/swiotlb-xen.h new file mode 100644 index 000000000000..2994fe6031a0 --- /dev/null +++ b/include/xen/arm/swiotlb-xen.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_ARM_SWIOTLB_XEN_H +#define _ASM_ARM_SWIOTLB_XEN_H + +extern int xen_swiotlb_detect(void); + +#endif /* _ASM_ARM_SWIOTLB_XEN_H */ diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h index 6d1384abfbdf..5a7bdefa06a8 100644 --- a/include/xen/interface/features.h +++ b/include/xen/interface/features.h @@ -83,6 +83,20 @@ */ #define XENFEAT_linux_rsdp_unrestricted 15 +/* + * A direct-mapped (or 1:1 mapped) domain is a domain for which its + * local pages have gfn == mfn. If a domain is direct-mapped, + * XENFEAT_direct_mapped is set; otherwise XENFEAT_not_direct_mapped + * is set. + * + * If neither flag is set (e.g. older Xen releases) the assumptions are: + * - not auto_translated domains (x86 only) are always direct-mapped + * - on x86, auto_translated domains are not direct-mapped + * - on ARM, Dom0 is direct-mapped, DomUs are not + */ +#define XENFEAT_not_direct_mapped 16 +#define XENFEAT_direct_mapped 17 + #define XENFEAT_NR_SUBMAPS 1 #endif /* __XEN_PUBLIC_FEATURES_H__ */ diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h index d5eaf9d682b8..dbc4a4b785f6 100644 --- a/include/xen/swiotlb-xen.h +++ b/include/xen/swiotlb-xen.h @@ -3,6 +3,7 @@ #define __LINUX_SWIOTLB_XEN_H #include <linux/swiotlb.h> +#include <asm/xen/swiotlb-xen.h> void xen_dma_sync_for_cpu(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir); |