From c5cc6da855c10d762c492d390b1e4059910259d1 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Sun, 19 Mar 2023 16:18:08 +0100 Subject: [PATCH] efi_loader: support for Ctrl() device path node * Add the definitions for Ctrl() device path nodes. * Implement Ctrl() nodes in the device path to text protocol. Signed-off-by: Heinrich Schuchardt Reviewed-by: Simon Glass Reviewed-by: Ilias Apalodimas --- include/efi_api.h | 6 ++++++ lib/efi_loader/efi_device_path_to_text.c | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/include/efi_api.h b/include/efi_api.h index 2d18d25..c57868a 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -570,6 +570,7 @@ struct efi_mac_addr { #define DEVICE_PATH_TYPE_HARDWARE_DEVICE 0x01 # define DEVICE_PATH_SUB_TYPE_MEMORY 0x03 # define DEVICE_PATH_SUB_TYPE_VENDOR 0x04 +# define DEVICE_PATH_SUB_TYPE_CONTROLLER 0x05 struct efi_device_path_memory { struct efi_device_path dp; @@ -584,6 +585,11 @@ struct efi_device_path_vendor { u8 vendor_data[]; } __packed; +struct efi_device_path_controller { + struct efi_device_path dp; + u32 controller_number; +} __packed; + #define DEVICE_PATH_TYPE_ACPI_DEVICE 0x02 # define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE 0x01 diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c index 9062058..4b2ade3 100644 --- a/lib/efi_loader/efi_device_path_to_text.c +++ b/lib/efi_loader/efi_device_path_to_text.c @@ -77,6 +77,13 @@ static char *dp_hardware(char *s, struct efi_device_path *dp) s += sprintf(s, ")"); break; } + case DEVICE_PATH_SUB_TYPE_CONTROLLER: { + struct efi_device_path_controller *cdp = + (struct efi_device_path_controller *)dp; + + s += sprintf(s, "Ctrl(0x%0x)", cdp->controller_number); + break; + } default: s = dp_unknown(s, dp); break; -- 2.7.4