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-rw-r--r--include/linux/acpi.h58
1 files changed, 47 insertions, 11 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index d7136d13aa44..f6d4539c3895 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -105,6 +105,7 @@ enum acpi_irq_model_id {
ACPI_IRQ_MODEL_IOSAPIC,
ACPI_IRQ_MODEL_PLATFORM,
ACPI_IRQ_MODEL_GIC,
+ ACPI_IRQ_MODEL_LPIC,
ACPI_IRQ_MODEL_COUNT
};
@@ -356,7 +357,8 @@ int acpi_gsi_to_irq (u32 gsi, unsigned int *irq);
int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi);
void acpi_set_irq_model(enum acpi_irq_model_id model,
- struct fwnode_handle *fwnode);
+ struct fwnode_handle *(*)(u32));
+void acpi_set_gsi_to_irq_fallback(u32 (*)(u32));
struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags,
unsigned int size,
@@ -520,9 +522,6 @@ int acpi_check_resource_conflict(const struct resource *res);
int acpi_check_region(resource_size_t start, resource_size_t n,
const char *name);
-acpi_status acpi_release_memory(acpi_handle handle, struct resource *res,
- u32 level);
-
int acpi_resources_are_enforced(void);
#ifdef CONFIG_HIBERNATION
@@ -550,10 +549,16 @@ struct acpi_osc_context {
acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
-/* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
+/* Number of _OSC capability DWORDS depends on bridge type */
+#define OSC_PCI_CAPABILITY_DWORDS 3
+#define OSC_CXL_CAPABILITY_DWORDS 5
+
+/* Indexes into _OSC Capabilities Buffer (DWORDs 2 to 5 are device-specific) */
#define OSC_QUERY_DWORD 0 /* DWORD 1 */
#define OSC_SUPPORT_DWORD 1 /* DWORD 2 */
#define OSC_CONTROL_DWORD 2 /* DWORD 3 */
+#define OSC_EXT_SUPPORT_DWORD 3 /* DWORD 4 */
+#define OSC_EXT_CONTROL_DWORD 4 /* DWORD 5 */
/* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */
#define OSC_QUERY_ENABLE 0x00000001 /* input */
@@ -574,13 +579,15 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
#define OSC_SB_OSLPI_SUPPORT 0x00000100
#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000
#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000
+#define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000
#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000
#define OSC_SB_PRM_SUPPORT 0x00200000
extern bool osc_sb_apei_support_acked;
extern bool osc_pc_lpi_support_confirmed;
extern bool osc_sb_native_usb4_support_confirmed;
-extern bool osc_sb_cppc_not_supported;
+extern bool osc_sb_cppc2_support_acked;
+extern bool osc_cpc_flexible_adr_space_confirmed;
/* USB4 Capabilities */
#define OSC_USB_USB3_TUNNELING 0x00000001
@@ -608,6 +615,29 @@ extern u32 osc_sb_native_usb4_control;
#define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020
#define OSC_PCI_EXPRESS_DPC_CONTROL 0x00000080
+/* CXL _OSC: Capabilities DWORD 4: Support Field */
+#define OSC_CXL_1_1_PORT_REG_ACCESS_SUPPORT 0x00000001
+#define OSC_CXL_2_0_PORT_DEV_REG_ACCESS_SUPPORT 0x00000002
+#define OSC_CXL_PROTOCOL_ERR_REPORTING_SUPPORT 0x00000004
+#define OSC_CXL_NATIVE_HP_SUPPORT 0x00000008
+
+/* CXL _OSC: Capabilities DWORD 5: Control Field */
+#define OSC_CXL_ERROR_REPORTING_CONTROL 0x00000001
+
+static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
+{
+ u32 *ret = context->ret.pointer;
+
+ return ret[OSC_CONTROL_DWORD];
+}
+
+static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
+{
+ u32 *ret = context->ret.pointer;
+
+ return ret[OSC_EXT_CONTROL_DWORD];
+}
+
#define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002
#define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004
#define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006
@@ -1004,6 +1034,17 @@ static inline int acpi_register_wakeup_handler(int wake_irq,
static inline void acpi_unregister_wakeup_handler(
bool (*wakeup)(void *context), void *context) { }
+struct acpi_osc_context;
+static inline u32 acpi_osc_ctx_get_pci_control(struct acpi_osc_context *context)
+{
+ return 0;
+}
+
+static inline u32 acpi_osc_ctx_get_cxl_control(struct acpi_osc_context *context)
+{
+ return 0;
+}
+
#endif /* !CONFIG_ACPI */
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
@@ -1390,7 +1431,6 @@ int find_acpi_cpu_topology(unsigned int cpu, int level);
int find_acpi_cpu_topology_cluster(unsigned int cpu);
int find_acpi_cpu_topology_package(unsigned int cpu);
int find_acpi_cpu_topology_hetero_id(unsigned int cpu);
-int find_acpi_cpu_cache_topology(unsigned int cpu, int level);
#else
static inline int acpi_pptt_cpu_is_thread(unsigned int cpu)
{
@@ -1412,10 +1452,6 @@ static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu)
{
return -EINVAL;
}
-static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level)
-{
- return -EINVAL;
-}
#endif
#ifdef CONFIG_ACPI_PCC