/* SPDX-License-Identifier: MIT */ /* * There are two expected ways of including this header. * * 1) The "default" case (expected from tools etc). * * Simply #include <public/errno.h> * * In this circumstance, normal header guards apply and the includer shall get * an enumeration in the XEN_xxx namespace, appropriate for C or assembly. * * 2) The special case where the includer provides a XEN_ERRNO() in scope. * * In this case, no inclusion guards apply and the caller is responsible for * their XEN_ERRNO() being appropriate in the included context. The header * will unilaterally #undef XEN_ERRNO(). */ #ifndef XEN_ERRNO /* * Includer has not provided a custom XEN_ERRNO(). Arrange for normal header * guards, an automatic enum (for C code) and constants in the XEN_xxx * namespace. */ #ifndef __XEN_PUBLIC_ERRNO_H__ #define __XEN_PUBLIC_ERRNO_H__ #define XEN_ERRNO_DEFAULT_INCLUDE #ifndef __ASSEMBLY__ #define XEN_ERRNO(name, value) XEN_##name = (value), enum xen_errno { #elif __XEN_INTERFACE_VERSION__ < 0x00040700 #define XEN_ERRNO(name, value) .equ XEN_##name, value #endif /* __ASSEMBLY__ */ #endif /* __XEN_PUBLIC_ERRNO_H__ */ #endif /* !XEN_ERRNO */ /* ` enum neg_errnoval { [ -Efoo for each Efoo in the list below ] } */ /* ` enum errnoval { */ #ifdef XEN_ERRNO /* * Values originating from x86 Linux. Please consider using respective * values when adding new definitions here. * * The set of identifiers to be added here shouldn't extend beyond what * POSIX mandates (see e.g. * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html) * with the exception that we support some optional (XSR) values * specified there (but no new ones should be added). */ XEN_ERRNO(EPERM, 1) /* Operation not permitted */ XEN_ERRNO(ENOENT, 2) /* No such file or directory */ XEN_ERRNO(ESRCH, 3) /* No such process */ #ifdef __XEN__ /* Internal only, should never be exposed to the guest. */ XEN_ERRNO(EINTR, 4) /* Interrupted system call */ #endif XEN_ERRNO(EIO, 5) /* I/O error */ XEN_ERRNO(ENXIO, 6) /* No such device or address */ XEN_ERRNO(E2BIG, 7) /* Arg list too long */ XEN_ERRNO(ENOEXEC, 8) /* Exec format error */ XEN_ERRNO(EBADF, 9) /* Bad file number */ XEN_ERRNO(ECHILD, 10) /* No child processes */ XEN_ERRNO(EAGAIN, 11) /* Try again */ XEN_ERRNO(EWOULDBLOCK, 11) /* Operation would block. Aliases EAGAIN */ XEN_ERRNO(ENOMEM, 12) /* Out of memory */ XEN_ERRNO(EACCES, 13) /* Permission denied */ XEN_ERRNO(EFAULT, 14) /* Bad address */ XEN_ERRNO(EBUSY, 16) /* Device or resource busy */ XEN_ERRNO(EEXIST, 17) /* File exists */ XEN_ERRNO(EXDEV, 18) /* Cross-device link */ XEN_ERRNO(ENODEV, 19) /* No such device */ XEN_ERRNO(ENOTDIR, 20) /* Not a directory */ XEN_ERRNO(EISDIR, 21) /* Is a directory */ XEN_ERRNO(EINVAL, 22) /* Invalid argument */ XEN_ERRNO(ENFILE, 23) /* File table overflow */ XEN_ERRNO(EMFILE, 24) /* Too many open files */ XEN_ERRNO(ENOSPC, 28) /* No space left on device */ XEN_ERRNO(EROFS, 30) /* Read-only file system */ XEN_ERRNO(EMLINK, 31) /* Too many links */ XEN_ERRNO(EDOM, 33) /* Math argument out of domain of func */ XEN_ERRNO(ERANGE, 34) /* Math result not representable */ XEN_ERRNO(EDEADLK, 35) /* Resource deadlock would occur */ XEN_ERRNO(EDEADLOCK, 35) /* Resource deadlock would occur. Aliases EDEADLK */ XEN_ERRNO(ENAMETOOLONG, 36) /* File name too long */ XEN_ERRNO(ENOLCK, 37) /* No record locks available */ XEN_ERRNO(ENOSYS, 38) /* Function not implemented */ XEN_ERRNO(ENOTEMPTY, 39) /* Directory not empty */ XEN_ERRNO(ENODATA, 61) /* No data available */ XEN_ERRNO(ETIME, 62) /* Timer expired */ XEN_ERRNO(EBADMSG, 74) /* Not a data message */ XEN_ERRNO(EOVERFLOW, 75) /* Value too large for defined data type */ XEN_ERRNO(EILSEQ, 84) /* Illegal byte sequence */ #ifdef __XEN__ /* Internal only, should never be exposed to the guest. */ XEN_ERRNO(ERESTART, 85) /* Interrupted system call should be restarted */ #endif XEN_ERRNO(ENOTSOCK, 88) /* Socket operation on non-socket */ XEN_ERRNO(EMSGSIZE, 90) /* Message too large. */ XEN_ERRNO(EOPNOTSUPP, 95) /* Operation not supported on transport endpoint */ XEN_ERRNO(EADDRINUSE, 98) /* Address already in use */ XEN_ERRNO(EADDRNOTAVAIL, 99) /* Cannot assign requested address */ XEN_ERRNO(ENOBUFS, 105) /* No buffer space available */ XEN_ERRNO(EISCONN, 106) /* Transport endpoint is already connected */ XEN_ERRNO(ENOTCONN, 107) /* Transport endpoint is not connected */ XEN_ERRNO(ETIMEDOUT, 110) /* Connection timed out */ XEN_ERRNO(ECONNREFUSED, 111) /* Connection refused */ #undef XEN_ERRNO #endif /* XEN_ERRNO */ /* ` } */ /* Clean up from a default include. Close the enum (for C). */ #ifdef XEN_ERRNO_DEFAULT_INCLUDE #undef XEN_ERRNO_DEFAULT_INCLUDE #ifndef __ASSEMBLY__ }; #endif #endif /* XEN_ERRNO_DEFAULT_INCLUDE */