[Qemu-devel] [RFC 38/47] acpi: add acpi_word_bus_number(), acpi_word_io(), acpi_dword_memory(), acpi_qword_memory() terms

[Igor Mammedov <imammedo@redhat.com>]

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 hw/acpi/acpi_gen_utils.c         | 143 +++++++++++++++++++++++++++++++++++++++
 include/hw/acpi/acpi_gen_utils.h |  73 ++++++++++++++++++++
 2 files changed, 216 insertions(+)

diff --git a/hw/acpi/acpi_gen_utils.c b/hw/acpi/acpi_gen_utils.c
index a77d18c..39cbab7 100644
--- a/hw/acpi/acpi_gen_utils.c
+++ b/hw/acpi/acpi_gen_utils.c
@@ -674,3 +674,146 @@ AcpiAml acpi_eisaid(const char *str)
     build_append_value(var.buf, bswap32(id), sizeof(id));
     return var;
 }
+
+/* ACPI 5.0: 6.4.3.5.3 Word Address Space Descriptor */
+static AcpiAml
+acpi_as_desc_header(acpiResourceType type, acpiMinFixed min_fixed,
+                    acpiMaxFixed max_fixed, acpiDecode dec, uint8_t type_flags)
+{
+    uint8_t flags = max_fixed | min_fixed | dec;
+    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+
+    build_append_byte(var.buf, type);
+    build_append_byte(var.buf, flags);
+    build_append_byte(var.buf, type_flags); /* Type Specific Flags */
+    return var;
+}
+
+/* ACPI 5.0: 6.4.3.5.3 Word Address Space Descriptor */
+static AcpiAml acpi_word_as_desc(acpiResourceType type, acpiMinFixed min_fixed,
+                                 acpiMaxFixed max_fixed, acpiDecode dec,
+                                 uint16_t addr_gran, uint16_t addr_min,
+                                 uint16_t addr_max, uint16_t addr_trans,
+                                 uint16_t len, uint8_t type_flags)
+{
+    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+
+    build_append_byte(var.buf, 0x88); /* Word Address Space Descriptor */
+    /* minimum length since we do not encode optional fields */
+    build_append_byte(var.buf, 0x0D);
+    build_append_byte(var.buf, 0x0);
+
+    aml_append(&var,
+        acpi_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
+    build_append_value(var.buf, addr_gran, sizeof(addr_gran));
+    build_append_value(var.buf, addr_min, sizeof(addr_min));
+    build_append_value(var.buf, addr_max, sizeof(addr_max));
+    build_append_value(var.buf, addr_trans, sizeof(addr_trans));
+    build_append_value(var.buf, len, sizeof(len));
+    return var;
+}
+
+/* ACPI 5.0: 6.4.3.5.2 DWord Address Space Descriptor */
+static AcpiAml acpi_dword_as_desc(acpiResourceType type, acpiMinFixed min_fixed,
+                                  acpiMaxFixed max_fixed, acpiDecode dec,
+                                  uint32_t addr_gran, uint32_t addr_min,
+                                  uint32_t addr_max, uint32_t addr_trans,
+                                  uint32_t len, uint8_t type_flags)
+{
+    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+
+    build_append_byte(var.buf, 0x87); /* DWord Address Space Descriptor */
+    /* minimum length since we do not encode optional fields */
+    build_append_byte(var.buf, 23);
+    build_append_byte(var.buf, 0x0);
+
+
+    aml_append(&var,
+        acpi_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
+    build_append_value(var.buf, addr_gran, sizeof(addr_gran));
+    build_append_value(var.buf, addr_min, sizeof(addr_min));
+    build_append_value(var.buf, addr_max, sizeof(addr_max));
+    build_append_value(var.buf, addr_trans, sizeof(addr_trans));
+    build_append_value(var.buf, len, sizeof(len));
+    return var;
+}
+
+/* ACPI 5.0: 6.4.3.5.1 QWord Address Space Descriptor */
+static AcpiAml acpi_qword_as_desc(acpiResourceType type, acpiMinFixed min_fixed,
+                                  acpiMaxFixed max_fixed, acpiDecode dec,
+                                  uint64_t addr_gran, uint64_t addr_min,
+                                  uint64_t addr_max, uint64_t addr_trans,
+                                  uint64_t len, uint8_t type_flags)
+{
+    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
+
+    build_append_byte(var.buf, 0x8A); /* QWord Address Space Descriptor */
+    /* minimum length since we do not encode optional fields */
+    build_append_byte(var.buf, 0x2B);
+    build_append_byte(var.buf, 0x0);
+
+    aml_append(&var,
+        acpi_as_desc_header(type, min_fixed, max_fixed, dec, type_flags));
+    build_append_value(var.buf, addr_gran, sizeof(addr_gran));
+    build_append_value(var.buf, addr_min, sizeof(addr_min));
+    build_append_value(var.buf, addr_max, sizeof(addr_max));
+    build_append_value(var.buf, addr_trans, sizeof(addr_trans));
+    build_append_value(var.buf, len, sizeof(len));
+    return var;
+}
+
+/*
+ * ACPI 5.0: 19.5.141 WordBusNumber (Word Bus Number Resource Descriptor Macro)
+ */
+AcpiAml acpi_word_bus_number(acpiMinFixed min_fixed, acpiMaxFixed max_fixed,
+                             acpiDecode dec, uint16_t addr_gran,
+                             uint16_t addr_min, uint16_t addr_max,
+                             uint16_t addr_trans, uint16_t len)
+
+{
+    return acpi_word_as_desc(acpi_bus_number_range, min_fixed, max_fixed, dec,
+                             addr_gran, addr_min, addr_max, addr_trans, len, 0);
+}
+
+/* ACPI 5.0: 19.5.142 WordIO (Word IO Resource Descriptor Macro) */
+AcpiAml acpi_word_io(acpiMinFixed min_fixed, acpiMaxFixed max_fixed,
+                     acpiDecode dec, acpiISARanges isa_ranges,
+                     uint16_t addr_gran, uint16_t addr_min,
+                     uint16_t addr_max, uint16_t addr_trans,
+                     uint16_t len)
+
+{
+    return acpi_word_as_desc(acpi_io_range, min_fixed, max_fixed, dec,
+                             addr_gran, addr_min, addr_max, addr_trans, len,
+                             isa_ranges);
+}
+
+/* ACPI 5.0: 19.5.34 DWordMemory (DWord Memory Resource Descriptor Macro) */
+AcpiAml acpi_dword_memory(acpiDecode dec, acpiMinFixed min_fixed,
+                          acpiMaxFixed max_fixed, acpiCacheble cacheable,
+                          acpiReadAndWrite read_and_write,
+                          uint32_t addr_gran, uint32_t addr_min,
+                          uint32_t addr_max, uint32_t addr_trans,
+                          uint32_t len)
+{
+    uint8_t flags = read_and_write | (cacheable << 1);
+
+    return acpi_dword_as_desc(acpi_memory_range, min_fixed, max_fixed,
+                              dec, addr_gran, addr_min, addr_max,
+                              addr_trans, len, flags);
+}
+
+/* ACPI 5.0: 19.5.102 QWordMemory (QWord Memory Resource Descriptor Macro) */
+AcpiAml acpi_qword_memory(acpiDecode dec, acpiMinFixed min_fixed,
+                          acpiMaxFixed max_fixed, acpiCacheble cacheable,
+                          acpiReadAndWrite read_and_write,
+                          uint64_t addr_gran, uint64_t addr_min,
+                          uint64_t addr_max, uint64_t addr_trans,
+                          uint64_t len)
+{
+    uint8_t flags = read_and_write | (cacheable << 1);
+
+    return acpi_qword_as_desc(acpi_memory_range, min_fixed, max_fixed,
+                              dec, addr_gran, addr_min, addr_max,
+                              addr_trans, len, flags);
+}
diff --git a/include/hw/acpi/acpi_gen_utils.h b/include/hw/acpi/acpi_gen_utils.h
index 048ed26..5e8db3d 100644
--- a/include/hw/acpi/acpi_gen_utils.h
+++ b/include/hw/acpi/acpi_gen_utils.h
@@ -38,6 +38,58 @@ typedef enum {
     acpi_system_io = 0x01,
 } acpiRegionSpace;
 
+typedef enum {
+    acpi_memory_range = 0,
+    acpi_io_range = 1,
+    acpi_bus_number_range = 2,
+} acpiResourceType;
+
+typedef enum {
+    acpi_sub_decode = 1 << 1,
+    acpi_pos_decode = 0
+} acpiDecode;
+
+typedef enum {
+    acpi_max_fixed = 1 << 3,
+    acpi_max_not_fixed = 0,
+} acpiMaxFixed;
+
+typedef enum {
+    acpi_min_fixed = 1 << 2,
+    acpi_min_not_fixed = 0
+} acpiMinFixed;
+
+/*
+ * ACPI 5.0: Table 6-185 I/O Resource Flag (Resource Type = 1) Definitions
+ * _RNG field definition
+ */
+typedef enum {
+    acpi_isa_only = 1,
+    acpi_non_isa_only = 2,
+    acpi_entire_range = 3,
+} acpiISARanges;
+
+/*
+ * ACPI 5.0: Table 6-184 Memory Resource Flag (Resource Type = 0) Definitions
+ * _MEM field definition
+ */
+typedef enum {
+    acpi_non_cacheable = 0,
+    acpi_cacheable = 1,
+    acpi_write_combining = 2,
+    acpi_prefetchable = 3,
+} acpiCacheble;
+
+/*
+ * ACPI 5.0: Table 6-184 Memory Resource Flag (Resource Type = 0) Definitions
+ * _RW field definition
+ */
+typedef enum {
+    acpi_ReadOnly = 0,
+    acpi_ReadWrite = 1,
+} acpiReadAndWrite;
+
+
 void aml_append(AcpiAml *parent_ctx, AcpiAml child);
 
 /* non block ASL object primitives */
@@ -71,6 +123,27 @@ AcpiAml GCC_FMT_ATTR(4, 5)
 acpi_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
                const char *name_format, ...);
 AcpiAml acpi_eisaid(const char *str);
+AcpiAml acpi_word_bus_number(acpiMinFixed min_fixed, acpiMaxFixed max_fixed,
+                             acpiDecode dec, uint16_t addr_gran,
+                             uint16_t addr_min, uint16_t addr_max,
+                             uint16_t addr_trans, uint16_t len);
+AcpiAml acpi_word_io(acpiMinFixed min_fixed, acpiMaxFixed max_fixed,
+                     acpiDecode dec, acpiISARanges isa_ranges,
+                     uint16_t addr_gran, uint16_t addr_min,
+                     uint16_t addr_max, uint16_t addr_trans,
+                     uint16_t len);
+AcpiAml acpi_dword_memory(acpiDecode dec, acpiMinFixed min_fixed,
+                          acpiMaxFixed max_fixed, acpiCacheble cacheable,
+                          acpiReadAndWrite read_and_write,
+                          uint32_t addr_gran, uint32_t addr_min,
+                          uint32_t addr_max, uint32_t addr_trans,
+                          uint32_t len);
+AcpiAml acpi_qword_memory(acpiDecode dec, acpiMinFixed min_fixed,
+                          acpiMaxFixed max_fixed, acpiCacheble cacheable,
+                          acpiReadAndWrite read_and_write,
+                          uint64_t addr_gran, uint64_t addr_min,
+                          uint64_t addr_max, uint64_t addr_trans,
+                          uint64_t len);
 
 /* Block ASL object primitives */
 AcpiAml acpi_if(AcpiAml predicate);
-- 
1.8.3.1