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| author | Gerd Hoffmann <kraxel@redhat.com> | 2023-06-01 13:57:13 +0200 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-06-01 12:48:45 +0000 |
| commit | 15f83fa36442eaa272300b31699b3b82ce7e07a9 (patch) | |
| tree | 5a434fd3ec9fff7868e78af850d88fec5d73be26 /ArmVirtPkg | |
| parent | aaf546879ab71722c36738ccc6f0f0ab4ecf5076 (diff) | |
| download | edk2-15f83fa36442eaa272300b31699b3b82ce7e07a9.zip edk2-15f83fa36442eaa272300b31699b3b82ce7e07a9.tar.gz edk2-15f83fa36442eaa272300b31699b3b82ce7e07a9.tar.bz2 | |
ArmVirt/PlatformBootManagerLib: set up virtio serial as console
In case a virtio serial device is found in the system register the first
console port as EFI console, by updating ConIn, ConOut and ErrOut.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ArmVirtPkg')
| -rw-r--r-- | ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c index ed38c42..b92a916 100644 --- a/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c +++ b/ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBm.c @@ -313,6 +313,21 @@ IsVirtioRng ( }
/**
+ This FILTER_FUNCTION checks if a handle corresponds to a Virtio serial device at
+ the VIRTIO_DEVICE_PROTOCOL level.
+**/
+STATIC
+BOOLEAN
+EFIAPI
+IsVirtioSerial (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ return IsVirtio (Handle, ReportText, VIRTIO_SUBSYSTEM_CONSOLE);
+}
+
+/**
This function checks if a handle corresponds to the Virtio Device ID given
at the EFI_PCI_IO_PROTOCOL level.
**/
@@ -447,6 +462,21 @@ IsVirtioPciRng ( }
/**
+ This FILTER_FUNCTION checks if a handle corresponds to a Virtio serial device at
+ the EFI_PCI_IO_PROTOCOL level.
+**/
+STATIC
+BOOLEAN
+EFIAPI
+IsVirtioPciSerial (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ return IsVirtioPci (Handle, ReportText, VIRTIO_SUBSYSTEM_CONSOLE);
+}
+
+/**
This CALLBACK_FUNCTION attempts to connect a handle non-recursively, asking
the matching driver to produce all first-level child handles.
**/
@@ -534,6 +564,142 @@ AddOutput ( ));
}
+/**
+ This CALLBACK_FUNCTION retrieves the EFI_DEVICE_PATH_PROTOCOL from
+ the handle, appends serial, uart and terminal nodes, finally updates
+ ConIn, ConOut and ErrOut.
+**/
+STATIC
+VOID
+EFIAPI
+SetupVirtioSerial (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ STATIC CONST ACPI_HID_DEVICE_PATH SerialNode = {
+ {
+ ACPI_DEVICE_PATH,
+ ACPI_DP,
+ {
+ (UINT8)(sizeof (ACPI_HID_DEVICE_PATH)),
+ (UINT8)((sizeof (ACPI_HID_DEVICE_PATH)) >> 8)
+ },
+ },
+ EISA_PNP_ID (0x0501),
+ 0
+ };
+
+ STATIC CONST UART_DEVICE_PATH UartNode = {
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_UART_DP,
+ {
+ (UINT8)(sizeof (UART_DEVICE_PATH)),
+ (UINT8)((sizeof (UART_DEVICE_PATH)) >> 8)
+ },
+ },
+ 0,
+ 115200,
+ 8,
+ 1,
+ 1
+ };
+
+ STATIC CONST VENDOR_DEVICE_PATH TerminalNode = {
+ {
+ MESSAGING_DEVICE_PATH,
+ MSG_VENDOR_DP,
+ {
+ (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
+ (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
+ },
+ },
+ DEVICE_PATH_MESSAGING_VT_UTF8
+ };
+
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath, *OldDevicePath;
+
+ DevicePath = DevicePathFromHandle (Handle);
+
+ if (DevicePath == NULL) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: %s: handle %p: device path not found\n",
+ __func__,
+ ReportText,
+ Handle
+ ));
+ return;
+ }
+
+ DevicePath = AppendDevicePathNode (
+ DevicePath,
+ &SerialNode.Header
+ );
+
+ OldDevicePath = DevicePath;
+ DevicePath = AppendDevicePathNode (
+ DevicePath,
+ &UartNode.Header
+ );
+ FreePool (OldDevicePath);
+
+ OldDevicePath = DevicePath;
+ DevicePath = AppendDevicePathNode (
+ DevicePath,
+ &TerminalNode.Header
+ );
+ FreePool (OldDevicePath);
+
+ Status = EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: %s: adding to ConIn: %r\n",
+ __func__,
+ ReportText,
+ Status
+ ));
+ return;
+ }
+
+ Status = EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+
+ "%a: %s: adding to ConOut: %r\n",
+ __func__,
+ ReportText,
+ Status
+ ));
+ return;
+ }
+
+ Status = EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "%a: %s: adding to ErrOut: %r\n",
+ __func__,
+ ReportText,
+ Status
+ ));
+ return;
+ }
+
+ FreePool (DevicePath);
+
+ DEBUG ((
+ DEBUG_VERBOSE,
+ "%a: %s: added to ConIn, ConOut and ErrOut\n",
+ __func__,
+ ReportText
+ ));
+}
+
STATIC
VOID
PlatformRegisterFvBootOption (
@@ -932,6 +1098,12 @@ PlatformBootManagerBeforeConsole ( // instances on Virtio PCI RNG devices.
//
FilterAndProcess (&gEfiPciIoProtocolGuid, IsVirtioPciRng, Connect);
+
+ //
+ // Register Virtio serial devices as console.
+ //
+ FilterAndProcess (&gVirtioDeviceProtocolGuid, IsVirtioSerial, SetupVirtioSerial);
+ FilterAndProcess (&gEfiPciIoProtocolGuid, IsVirtioPciSerial, SetupVirtioSerial);
}
/**
|