diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/errno/efi.h')
| -rw-r--r-- | qemu/roms/ipxe/src/include/ipxe/errno/efi.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/errno/efi.h b/qemu/roms/ipxe/src/include/ipxe/errno/efi.h new file mode 100644 index 000000000..2d2c50176 --- /dev/null +++ b/qemu/roms/ipxe/src/include/ipxe/errno/efi.h @@ -0,0 +1,134 @@ +#ifndef _IPXE_ERRNO_EFI_H +#define _IPXE_ERRNO_EFI_H + +/** + * @file + * + * EFI platform error codes + * + * We derive our platform error codes from the possible values for + * EFI_STATUS defined in the UEFI specification. + * + * EFI_STATUS codes are 32/64-bit values consisting of a top bit which + * is set for errors and clear for warnings, and a mildly undefined + * code of low bits indicating the precise error/warning code. Errors + * and warnings have completely separate namespaces. + * + * We assume that no EFI_STATUS code will ever be defined which uses + * more than bits 0-6 of the low bits. We then choose to encode our + * platform-specific error by mapping bit 31/63 of the EFI_STATUS to + * bit 7 of the platform-specific error code, and preserving bits 0-6 + * as-is. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <ipxe/efi/efi.h> +#include <ipxe/efi/Uefi/UefiBaseType.h> + +/** Bit shift for EFI error/warning bit */ +#define EFI_ERR_SHIFT ( 8 * ( sizeof ( EFI_STATUS ) - 1 ) ) + +/** + * Convert platform error code to platform component of iPXE error code + * + * @v platform Platform error code + * @ret errno Platform component of iPXE error code + */ +#define PLATFORM_TO_ERRNO( platform ) \ + ( ( (platform) | \ + ( ( ( EFI_STATUS ) (platform) ) >> EFI_ERR_SHIFT ) ) & 0xff ) + +/** + * Convert iPXE error code to platform error code + * + * @v errno iPXE error code + * @ret platform Platform error code + */ +#define ERRNO_TO_PLATFORM( errno ) \ + ( ( ( ( EFI_STATUS ) (errno) & 0x80 ) << EFI_ERR_SHIFT ) | \ + ( (errno) & 0x7f ) ) + +/* Platform-specific error codes */ +#define PLATFORM_ENOERR EFI_SUCCESS +#define PLATFORM_E2BIG EFI_BUFFER_TOO_SMALL +#define PLATFORM_EACCES EFI_ACCESS_DENIED +#define PLATFORM_EADDRINUSE EFI_ALREADY_STARTED +#define PLATFORM_EADDRNOTAVAIL EFI_NOT_READY +#define PLATFORM_EAFNOSUPPORT EFI_UNSUPPORTED +#define PLATFORM_EAGAIN EFI_NOT_READY +#define PLATFORM_EALREADY EFI_ALREADY_STARTED +#define PLATFORM_EBADF EFI_INVALID_PARAMETER +#define PLATFORM_EBADMSG EFI_PROTOCOL_ERROR +#define PLATFORM_EBUSY EFI_NO_RESPONSE +#define PLATFORM_ECANCELED EFI_ABORTED +#define PLATFORM_ECHILD EFI_NOT_FOUND +#define PLATFORM_ECONNABORTED EFI_ABORTED +#define PLATFORM_ECONNREFUSED EFI_NO_RESPONSE +#define PLATFORM_ECONNRESET EFI_ABORTED +#define PLATFORM_EDEADLK EFI_NOT_READY +#define PLATFORM_EDESTADDRREQ EFI_PROTOCOL_ERROR +#define PLATFORM_EDOM EFI_INVALID_PARAMETER +#define PLATFORM_EDQUOT EFI_VOLUME_FULL +#define PLATFORM_EEXIST EFI_WRITE_PROTECTED +#define PLATFORM_EFAULT EFI_INVALID_PARAMETER +#define PLATFORM_EFBIG EFI_END_OF_MEDIA +#define PLATFORM_EHOSTUNREACH EFI_NO_RESPONSE +#define PLATFORM_EIDRM EFI_INVALID_PARAMETER +#define PLATFORM_EILSEQ EFI_INVALID_PARAMETER +#define PLATFORM_EINPROGRESS EFI_ALREADY_STARTED +#define PLATFORM_EINTR EFI_NOT_READY +#define PLATFORM_EINVAL EFI_INVALID_PARAMETER +#define PLATFORM_EIO EFI_PROTOCOL_ERROR +#define PLATFORM_EISCONN EFI_ALREADY_STARTED +#define PLATFORM_EISDIR EFI_PROTOCOL_ERROR +#define PLATFORM_ELOOP EFI_VOLUME_CORRUPTED +#define PLATFORM_EMFILE EFI_OUT_OF_RESOURCES +#define PLATFORM_EMLINK EFI_OUT_OF_RESOURCES +#define PLATFORM_EMSGSIZE EFI_BAD_BUFFER_SIZE +#define PLATFORM_EMULTIHOP EFI_INVALID_PARAMETER +#define PLATFORM_ENAMETOOLONG EFI_INVALID_PARAMETER +#define PLATFORM_ENETDOWN EFI_NO_RESPONSE +#define PLATFORM_ENETRESET EFI_ABORTED +#define PLATFORM_ENETUNREACH EFI_NO_RESPONSE +#define PLATFORM_ENFILE EFI_OUT_OF_RESOURCES +#define PLATFORM_ENOBUFS EFI_OUT_OF_RESOURCES +#define PLATFORM_ENODATA EFI_NO_RESPONSE +#define PLATFORM_ENODEV EFI_DEVICE_ERROR +#define PLATFORM_ENOENT EFI_NOT_FOUND +#define PLATFORM_ENOEXEC EFI_LOAD_ERROR +#define PLATFORM_ENOLCK EFI_OUT_OF_RESOURCES +#define PLATFORM_ENOLINK EFI_OUT_OF_RESOURCES +#define PLATFORM_ENOMEM EFI_OUT_OF_RESOURCES +#define PLATFORM_ENOMSG EFI_PROTOCOL_ERROR +#define PLATFORM_ENOPROTOOPT EFI_UNSUPPORTED +#define PLATFORM_ENOSPC EFI_VOLUME_FULL +#define PLATFORM_ENOSR EFI_OUT_OF_RESOURCES +#define PLATFORM_ENOSTR EFI_PROTOCOL_ERROR +#define PLATFORM_ENOSYS EFI_UNSUPPORTED +#define PLATFORM_ENOTCONN EFI_NOT_STARTED +#define PLATFORM_ENOTDIR EFI_VOLUME_CORRUPTED +#define PLATFORM_ENOTEMPTY EFI_VOLUME_CORRUPTED +#define PLATFORM_ENOTSOCK EFI_INVALID_PARAMETER +#define PLATFORM_ENOTSUP EFI_UNSUPPORTED +#define PLATFORM_ENOTTY EFI_UNSUPPORTED +#define PLATFORM_ENXIO EFI_NOT_FOUND +#define PLATFORM_EOPNOTSUPP EFI_UNSUPPORTED +#define PLATFORM_EOVERFLOW EFI_BUFFER_TOO_SMALL +#define PLATFORM_EPERM EFI_ACCESS_DENIED +#define PLATFORM_EPIPE EFI_ABORTED +#define PLATFORM_EPROTO EFI_PROTOCOL_ERROR +#define PLATFORM_EPROTONOSUPPORT EFI_UNSUPPORTED +#define PLATFORM_EPROTOTYPE EFI_INVALID_PARAMETER +#define PLATFORM_ERANGE EFI_BUFFER_TOO_SMALL +#define PLATFORM_EROFS EFI_WRITE_PROTECTED +#define PLATFORM_ESPIPE EFI_END_OF_FILE +#define PLATFORM_ESRCH EFI_NOT_STARTED +#define PLATFORM_ESTALE EFI_PROTOCOL_ERROR +#define PLATFORM_ETIME EFI_TIMEOUT +#define PLATFORM_ETIMEDOUT EFI_TIMEOUT +#define PLATFORM_ETXTBSY EFI_MEDIA_CHANGED +#define PLATFORM_EWOULDBLOCK EFI_NOT_READY +#define PLATFORM_EXDEV EFI_VOLUME_CORRUPTED + +#endif /* _IPXE_ERRNO_EFI_H */ |