From f0ee5fc4a71e52400a15b90e8b6e56f0c1af7461 Mon Sep 17 00:00:00 2001 From: Andrew Jones Date: Tue, 16 Jun 2015 11:48:23 +0200 Subject: [PATCH 061/217] hw/acpi/aml-build: Add aml_interrupt() term Message-id: <1434455325-23399-12-git-send-email-drjones@redhat.com> Patchwork-id: 66244 O-Subject: [AArch64 RHEL-7.2 qemu-kvm-rhev PATCH 11/33] hw/acpi/aml-build: Add aml_interrupt() term Bugzilla: 1231719 RH-Acked-by: Miroslav Rezanina RH-Acked-by: Wei Huang RH-Acked-by: Igor Mammedov RH-Acked-by: Laszlo Ersek Author: Shannon Zhao Add aml_interrupt() for describing device interrupt in resource template. These can be used to generating DSDT table for ACPI on ARM. Signed-off-by: Shannon Zhao Signed-off-by: Shannon Zhao Reviewed-by: Igor Mammedov Message-id: 1432522520-8068-7-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell (cherry picked from commit 205d1d1c04033b1be4c925e687b6865d1fc1b26b) Signed-off-by: Andrew Jones Signed-off-by: Miroslav Rezanina --- hw/acpi/aml-build.c | 27 +++++++++++++++++++++++++++ include/hw/acpi/aml-build.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 69 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index ebfcf90..20eeaf9 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -534,6 +534,33 @@ Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, return var; } +/* + * ACPI 5.0: 6.4.3.6 Extended Interrupt Descriptor + * Type 1, Large Item Name 0x9 + */ +Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro, + AmlLevelAndEdge level_and_edge, + AmlActiveHighAndLow high_and_low, AmlShared shared, + uint32_t irq) +{ + Aml *var = aml_alloc(); + uint8_t irq_flags = con_and_pro | (level_and_edge << 1) + | (high_and_low << 2) | (shared << 3); + + build_append_byte(var->buf, 0x89); /* Extended irq descriptor */ + build_append_byte(var->buf, 6); /* Length, bits[7:0] minimum value = 6 */ + build_append_byte(var->buf, 0); /* Length, bits[15:8] minimum value = 0 */ + build_append_byte(var->buf, irq_flags); /* Interrupt Vector Information. */ + build_append_byte(var->buf, 0x01); /* Interrupt table length = 1 */ + + /* Interrupt Number */ + build_append_byte(var->buf, extract32(irq, 0, 8)); /* bits[7:0] */ + build_append_byte(var->buf, extract32(irq, 8, 8)); /* bits[15:8] */ + build_append_byte(var->buf, extract32(irq, 16, 8)); /* bits[23:16] */ + build_append_byte(var->buf, extract32(irq, 24, 8)); /* bits[31:24] */ + return var; +} + /* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */ Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 1c3cbd2..2142d54 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -111,6 +111,44 @@ typedef enum { AML_READ_WRITE = 1, } AmlReadAndWrite; +/* + * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition + * Interrupt Vector Flags Bits[0] Consumer/Producer + */ +typedef enum { + AML_CONSUMER_PRODUCER = 0, + AML_CONSUMER = 1, +} AmlConsumerAndProducer; + +/* + * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition + * _HE field definition + */ +typedef enum { + AML_LEVEL = 0, + AML_EDGE = 1, +} AmlLevelAndEdge; + +/* + * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition + * _LL field definition + */ +typedef enum { + AML_ACTIVE_HIGH = 0, + AML_ACTIVE_LOW = 1, +} AmlActiveHighAndLow; + +/* + * ACPI 5.0: Table 6-187 Extended Interrupt Descriptor Definition + * _SHR field definition + */ +typedef enum { + AML_EXCLUSIVE = 0, + AML_SHARED = 1, + AML_EXCLUSIVE_AND_WAKE = 2, + AML_SHARED_AND_WAKE = 3, +} AmlShared; + typedef struct AcpiBuildTables { GArray *table_data; @@ -170,6 +208,10 @@ Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3); Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4); Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, AmlReadAndWrite read_and_write); +Aml *aml_interrupt(AmlConsumerAndProducer con_and_pro, + AmlLevelAndEdge level_and_edge, + AmlActiveHighAndLow high_and_low, AmlShared shared, + uint32_t irq); Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len); Aml *aml_operation_region(const char *name, AmlRegionSpace rs, -- 1.8.3.1