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| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-03-19 16:18:08 +0100 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2023-03-25 11:05:42 +0100 |
| commit | c5cc6da855c10d762c492d390b1e4059910259d1 (patch) | |
| tree | 1ba5a8666e057ab155f5f5589a4edf17f4463bf3 | |
| parent | 884d626d8357853c012d535bf26c143bb7b5e6a5 (diff) | |
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 <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
| -rw-r--r-- | include/efi_api.h | 6 | ||||
| -rw-r--r-- | lib/efi_loader/efi_device_path_to_text.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/efi_api.h b/include/efi_api.h index 2d18d25a71..c57868abbd 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 9062058ac2..4b2ade3803 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; |