Files
system76-edk2/OvmfPkg/Library/PlatformBootManagerLib/PlatformData.c
Anthony PERARD 05480e2fd4 OvmfPkg/PlatformBootManagerLib: Use a Xen console for ConOut/ConIn
On a Xen PVH guest, none of the existing serial or console interface
works, so we add a new one, based on XenConsoleSerialPortLib, and
implemented via SerialDxe.

That is a simple console implementation that can work on both PVH
guest and HVM guests, even if it is rarely going to be used on HVM.

Have PlatformBootManagerLib look for the new console, when running as a
Xen guest.

Since we use VENDOR_UART_DEVICE_PATH, fix its description and coding
style.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20190813113119.14804-32-anthony.perard@citrix.com>
2019-08-21 18:03:49 +02:00

214 lines
4.9 KiB
C

/** @file
Defined the platform specific device path which will be used by
platform Bbd to perform the platform policy connect.
Copyright (c) 2004 - 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "BdsPlatform.h"
#include <Guid/QemuRamfb.h>
#include <Guid/SerialPortLibVendor.h>
//
// Vendor UART Device Path structure
//
#pragma pack (1)
typedef struct {
VENDOR_DEVICE_PATH VendorHardware;
UART_DEVICE_PATH Uart;
VENDOR_DEVICE_PATH TerminalType;
EFI_DEVICE_PATH_PROTOCOL End;
} VENDOR_UART_DEVICE_PATH;
#pragma pack ()
//
// USB Keyboard Device Path structure
//
#pragma pack (1)
typedef struct {
USB_CLASS_DEVICE_PATH Keyboard;
EFI_DEVICE_PATH_PROTOCOL End;
} USB_KEYBOARD_DEVICE_PATH;
#pragma pack ()
//
// QemuRamfb Device Path structure
//
#pragma pack (1)
typedef struct {
VENDOR_DEVICE_PATH Vendor;
ACPI_ADR_DEVICE_PATH AcpiAdr;
EFI_DEVICE_PATH_PROTOCOL End;
} VENDOR_RAMFB_DEVICE_PATH;
#pragma pack ()
ACPI_HID_DEVICE_PATH gPnpPs2KeyboardDeviceNode = gPnpPs2Keyboard;
ACPI_HID_DEVICE_PATH gPnp16550ComPortDeviceNode = gPnp16550ComPort;
UART_DEVICE_PATH gUartDeviceNode = gUart;
VENDOR_DEVICE_PATH gTerminalTypeDeviceNode = gPcAnsiTerminal;
//
// Platform specific keyboard device path
//
//
// Debug Agent UART Device Path
//
VENDOR_UART_DEVICE_PATH gDebugAgentUartDevicePath = {
{
{
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
{
(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
}
},
EFI_DEBUG_AGENT_GUID,
},
{
{
MESSAGING_DEVICE_PATH,
MSG_UART_DP,
{
(UINT8) (sizeof (UART_DEVICE_PATH)),
(UINT8) ((sizeof (UART_DEVICE_PATH)) >> 8)
}
},
0, // Reserved
0, // BaudRate - Default
0, // DataBits - Default
0, // Parity - Default
0, // StopBits - Default
},
gPcAnsiTerminal,
gEndEntire
};
STATIC USB_KEYBOARD_DEVICE_PATH gUsbKeyboardDevicePath = {
{
{
MESSAGING_DEVICE_PATH,
MSG_USB_CLASS_DP,
{
(UINT8)sizeof (USB_CLASS_DEVICE_PATH),
(UINT8)(sizeof (USB_CLASS_DEVICE_PATH) >> 8)
}
},
0xFFFF, // VendorId: any
0xFFFF, // ProductId: any
3, // DeviceClass: HID
1, // DeviceSubClass: boot
1 // DeviceProtocol: keyboard
},
gEndEntire
};
STATIC VENDOR_RAMFB_DEVICE_PATH gQemuRamfbDevicePath = {
{
{
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
{
(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
}
},
QEMU_RAMFB_GUID,
},
{
{
ACPI_DEVICE_PATH,
ACPI_ADR_DP,
{
(UINT8) (sizeof (ACPI_ADR_DEVICE_PATH)),
(UINT8) ((sizeof (ACPI_ADR_DEVICE_PATH)) >> 8)
}
},
ACPI_DISPLAY_ADR (
1, // DeviceIdScheme
0, // HeadId
0, // NonVgaOutput
1, // BiosCanDetect
0, // VendorInfo
ACPI_ADR_DISPLAY_TYPE_EXTERNAL_DIGITAL, // Type
0, // Port
0 // Index
),
},
gEndEntire
};
STATIC VENDOR_UART_DEVICE_PATH gXenConsoleDevicePath = {
{
{
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
{
(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
}
},
EDKII_SERIAL_PORT_LIB_VENDOR_GUID
},
{
{
MESSAGING_DEVICE_PATH,
MSG_UART_DP,
{
(UINT8) (sizeof (UART_DEVICE_PATH)),
(UINT8) ((sizeof (UART_DEVICE_PATH)) >> 8)
}
},
0,
FixedPcdGet64 (PcdUartDefaultBaudRate),
FixedPcdGet8 (PcdUartDefaultDataBits),
FixedPcdGet8 (PcdUartDefaultParity),
FixedPcdGet8 (PcdUartDefaultStopBits),
},
gPcAnsiTerminal,
gEndEntire
};
//
// Predefined platform default console device path
//
PLATFORM_CONSOLE_CONNECT_ENTRY gPlatformConsole[] = {
{
(EFI_DEVICE_PATH_PROTOCOL *) &gDebugAgentUartDevicePath,
(CONSOLE_OUT | CONSOLE_IN | STD_ERROR)
},
{
(EFI_DEVICE_PATH_PROTOCOL *)&gUsbKeyboardDevicePath,
CONSOLE_IN
},
{
(EFI_DEVICE_PATH_PROTOCOL *)&gQemuRamfbDevicePath,
CONSOLE_OUT
},
{
NULL,
0
}
};
PLATFORM_CONSOLE_CONNECT_ENTRY gXenPlatformConsole[] = {
{
(EFI_DEVICE_PATH_PROTOCOL *)&gXenConsoleDevicePath,
(CONSOLE_OUT | CONSOLE_IN | STD_ERROR)
},
{
NULL,
0
}
};
//
// Predefined platform connect sequence
//
EFI_DEVICE_PATH_PROTOCOL *gPlatformConnectSequence[] = { NULL };