1 /* 2 * There are two expected ways of including this header. 3 * 4 * 1) The "default" case (expected from tools etc). 5 * 6 * Simply #include <public/errno.h> 7 * 8 * In this circumstance, normal header guards apply and the includer shall get 9 * an enumeration in the XEN_xxx namespace, appropriate for C or assembly. 10 * 11 * 2) The special case where the includer provides a XEN_ERRNO() in scope. 12 * 13 * In this case, no inclusion guards apply and the caller is responsible for 14 * their XEN_ERRNO() being appropriate in the included context. The header 15 * will unilaterally #undef XEN_ERRNO(). 16 */ 17 18 #ifndef XEN_ERRNO 19 20 /* 21 * Includer has not provided a custom XEN_ERRNO(). Arrange for normal header 22 * guards, an automatic enum (for C code) and constants in the XEN_xxx 23 * namespace. 24 */ 25 #ifndef __XEN_PUBLIC_ERRNO_H__ 26 #define __XEN_PUBLIC_ERRNO_H__ 27 28 #define XEN_ERRNO_DEFAULT_INCLUDE 29 30 #ifndef __ASSEMBLY__ 31 32 #define XEN_ERRNO(name, value) XEN_##name = value, 33 enum xen_errno { 34 35 #elif __XEN_INTERFACE_VERSION__ < 0x00040700 36 37 #define XEN_ERRNO(name, value) .equ XEN_##name, value 38 39 #endif /* __ASSEMBLY__ */ 40 41 #endif /* __XEN_PUBLIC_ERRNO_H__ */ 42 #endif /* !XEN_ERRNO */ 43 44 /* ` enum neg_errnoval { [ -Efoo for each Efoo in the list below ] } */ 45 /* ` enum errnoval { */ 46 47 #ifdef XEN_ERRNO 48 49 /* 50 * Values originating from x86 Linux. Please consider using respective 51 * values when adding new definitions here. 52 * 53 * The set of identifiers to be added here shouldn't extend beyond what 54 * POSIX mandates (see e.g. 55 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html) 56 * with the exception that we support some optional (XSR) values 57 * specified there (but no new ones should be added). 58 */ 59 60 XEN_ERRNO(EPERM, 1) /* Operation not permitted */ 61 XEN_ERRNO(ENOENT, 2) /* No such file or directory */ 62 XEN_ERRNO(ESRCH, 3) /* No such process */ 63 #ifdef __XEN__ /* Internal only, should never be exposed to the guest. */ 64 XEN_ERRNO(EINTR, 4) /* Interrupted system call */ 65 #endif 66 XEN_ERRNO(EIO, 5) /* I/O error */ 67 XEN_ERRNO(ENXIO, 6) /* No such device or address */ 68 XEN_ERRNO(E2BIG, 7) /* Arg list too long */ 69 XEN_ERRNO(ENOEXEC, 8) /* Exec format error */ 70 XEN_ERRNO(EBADF, 9) /* Bad file number */ 71 XEN_ERRNO(ECHILD, 10) /* No child processes */ 72 XEN_ERRNO(EAGAIN, 11) /* Try again */ 73 XEN_ERRNO(EWOULDBLOCK, 11) /* Operation would block. Aliases EAGAIN */ 74 XEN_ERRNO(ENOMEM, 12) /* Out of memory */ 75 XEN_ERRNO(EACCES, 13) /* Permission denied */ 76 XEN_ERRNO(EFAULT, 14) /* Bad address */ 77 XEN_ERRNO(EBUSY, 16) /* Device or resource busy */ 78 XEN_ERRNO(EEXIST, 17) /* File exists */ 79 XEN_ERRNO(EXDEV, 18) /* Cross-device link */ 80 XEN_ERRNO(ENODEV, 19) /* No such device */ 81 XEN_ERRNO(ENOTDIR, 20) /* Not a directory */ 82 XEN_ERRNO(EISDIR, 21) /* Is a directory */ 83 XEN_ERRNO(EINVAL, 22) /* Invalid argument */ 84 XEN_ERRNO(ENFILE, 23) /* File table overflow */ 85 XEN_ERRNO(EMFILE, 24) /* Too many open files */ 86 XEN_ERRNO(ENOSPC, 28) /* No space left on device */ 87 XEN_ERRNO(EROFS, 30) /* Read-only file system */ 88 XEN_ERRNO(EMLINK, 31) /* Too many links */ 89 XEN_ERRNO(EDOM, 33) /* Math argument out of domain of func */ 90 XEN_ERRNO(ERANGE, 34) /* Math result not representable */ 91 XEN_ERRNO(EDEADLK, 35) /* Resource deadlock would occur */ 92 XEN_ERRNO(EDEADLOCK, 35) /* Resource deadlock would occur. Aliases EDEADLK */ 93 XEN_ERRNO(ENAMETOOLONG, 36) /* File name too long */ 94 XEN_ERRNO(ENOLCK, 37) /* No record locks available */ 95 XEN_ERRNO(ENOSYS, 38) /* Function not implemented */ 96 XEN_ERRNO(ENOTEMPTY, 39) /* Directory not empty */ 97 XEN_ERRNO(ENODATA, 61) /* No data available */ 98 XEN_ERRNO(ETIME, 62) /* Timer expired */ 99 XEN_ERRNO(EBADMSG, 74) /* Not a data message */ 100 XEN_ERRNO(EOVERFLOW, 75) /* Value too large for defined data type */ 101 XEN_ERRNO(EILSEQ, 84) /* Illegal byte sequence */ 102 #ifdef __XEN__ /* Internal only, should never be exposed to the guest. */ 103 XEN_ERRNO(ERESTART, 85) /* Interrupted system call should be restarted */ 104 #endif 105 XEN_ERRNO(ENOTSOCK, 88) /* Socket operation on non-socket */ 106 XEN_ERRNO(EMSGSIZE, 90) /* Message too large. */ 107 XEN_ERRNO(EOPNOTSUPP, 95) /* Operation not supported on transport endpoint */ 108 XEN_ERRNO(EADDRINUSE, 98) /* Address already in use */ 109 XEN_ERRNO(EADDRNOTAVAIL, 99) /* Cannot assign requested address */ 110 XEN_ERRNO(ENOBUFS, 105) /* No buffer space available */ 111 XEN_ERRNO(EISCONN, 106) /* Transport endpoint is already connected */ 112 XEN_ERRNO(ENOTCONN, 107) /* Transport endpoint is not connected */ 113 XEN_ERRNO(ETIMEDOUT, 110) /* Connection timed out */ 114 XEN_ERRNO(ECONNREFUSED, 111) /* Connection refused */ 115 116 #undef XEN_ERRNO 117 #endif /* XEN_ERRNO */ 118 /* ` } */ 119 120 /* Clean up from a default include. Close the enum (for C). */ 121 #ifdef XEN_ERRNO_DEFAULT_INCLUDE 122 #undef XEN_ERRNO_DEFAULT_INCLUDE 123 #ifndef __ASSEMBLY__ 124 }; 125 #endif 126 127 #endif /* XEN_ERRNO_DEFAULT_INCLUDE */ 128