[Qemu-devel] [PATCH v2 1/2] ACPI: Add definitions for the SPCR table

[Andrew Jones]

SPCR is the Serial Port Console Redirection table. See the document
linked from http://uefi.org/acpi. For serial port types, "Interface
Type", see the documentation for the Debug Port Table 2 (DBG2).

Signed-off-by: Andrew Jones <address@hidden>
Tested-by: Shannon Zhao <address@hidden>
---
 include/hw/acpi/acpi-defs.h | 72 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index 59cf277434b37..fcfaf7bc41541 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -197,6 +197,78 @@ enum {
 };
 
 /*
+ * ACPI Serial Port Console Redirection Table
+ */
+enum {
+    ACPI_SERIAL_16550_COMPAT        = 0,
+    ACPI_SERIAL_16550_SUBSET_COMPAT = 1,
+    ACPI_SERIAL_ARM_PL011_UART      = 3,
+};
+
+enum {
+    ACPI_SERIAL_ITYPE_PC            = 1,
+    ACPI_SERIAL_ITYPE_APIC          = 2,
+    ACPI_SERIAL_ITYPE_SAPIC         = 4,
+    ACPI_SERIAL_ITYPE_ARMH_GIC      = 8,
+};
+
+enum {
+    ACPI_SERIAL_BAUD_9600           = 3,
+    ACPI_SERIAL_BAUD_19200          = 4,
+    ACPI_SERIAL_BAUD_57600          = 6,
+    ACPI_SERIAL_BAUD_115200         = 7,
+};
+
+enum {
+    ACPI_SERIAL_FLOW_DCD_REQUIRED   = 1,
+    ACPI_SERIAL_FLOW_HW             = 2,
+    ACPI_SERIAL_FLOW_SW             = 4,
+};
+
+enum {
+    ACPI_SERIAL_TERM_VT100          = 0,
+    ACPI_SERIAL_TERM_VT100_PLUS     = 1,
+    ACPI_SERIAL_TERM_VT_UTF8        = 2,
+    ACPI_SERIAL_TERM_ANSI           = 3,
+};
+
+struct AcpiSerialPortConsoleRedirection {
+    ACPI_TABLE_HEADER_DEF            /* ACPI common table header */
+    uint8_t  interface_type;         /* See ACPI_SERIAL_ enums */
+    uint8_t  reserved1[3];           /* Reserved, must be 0 */
+    struct AcpiGenericAddress base_address;
+    uint8_t  interrupt_types;        /* Interrupt type support mask,
+                                      * see ACPI_SERIAL_ITYPE_ enums */
+    uint8_t  irq;                    /* PC irq used. 0 if ACPI_SERIAL_ITYPE_PC
+                                      * is not set, else must be one of
+                                      * 2-7,9-12,14-15 */
+    uint32_t gsi;                    /* Not valid if only ACPI_SERIAL_ITYPE_PC
+                                      * is set in the interrupt_types mask */
+    uint8_t  baud;                   /* See ACPI_SERIAL_BAUD_ enums */
+    uint8_t  parity;                 /* 0 = no parity, 1-255 reserved */
+    uint8_t  stopbits;               /* Must be 1 */
+    uint8_t  flowctrl;               /* See ACPI_SERIAL_FLOW_ enums */
+    uint8_t  term_type;              /* See ACPI_SERIAL_TERM_ enums */
+    uint8_t  reserved2;              /* Reserved, must be 0 */
+    uint16_t pci_device_id;          /* 0xffff, if not a pci dev */
+    uint16_t pci_vendor_id;          /* 0xffff, if not a pci dev */
+    uint8_t  pci_bus;                /* PCI bus number, 0 if not a pci dev */
+    uint8_t  pci_slot;               /* PCI slot number, 0 if not a pci dev */
+    uint8_t  pci_func;               /* PCI function num, 0 if not a pci dev */
+    uint32_t pci_flags;              /* PCI compatibility mask,
+                                      *   bits 1-31 reserved
+                                      *   bit0 = 0, if not a pci dev
+                                      *   bit0 = 1, don't suppress PNP or
+                                      *             power management
+                                      */
+    uint8_t  pci_seg;                /* PCI segment number, 0 for systems
+                                        with less than 255 PCI busses */
+    uint32_t reserved3;              /* Reserved, must be 0 */
+} QEMU_PACKED;
+typedef struct AcpiSerialPortConsoleRedirection
+               AcpiSerialPortConsoleRedirection;
+
+/*
  * ACPI 1.0 Root System Description Table (RSDT)
  */
 struct AcpiRsdtDescriptorRev1
-- 
1.8.3.1