xen/interface/xen.h

39 /* Define a variable length array (depends on compiler). */
166 #define VIRQ_CONSOLE    2  /* G. (DOM0) Bytes received on emergency console. */
171 #define VIRQ_CON_RING   8  /* G. (DOM0) Bytes received on console            */
175 #define VIRQ_ENOMEM     12 /* G. (DOM0) Low on heap memory       */
229  *  2). Keep on going, filling out the upper (PUD or L3), and middle (PMD
237  *  	operation on PGD (L4) pagetable entries that have a PUD (L3) entry.
294  *  using it as the Page Attribute Table (PAT) bit - for details on it please
313  *  If all bits are off, then we are using PAT0. If bit 3 turned on,
318  *  Combined on pages it MUST use PAT4 entry. Meaning that Bit 7 (PAGE_PAT) is
323  *   WC = PWT (bit 3 on)
324  *   UC = PWT | PCD (bit 3 and 4 are on).
328  *  PWT (so bit 3 on) --> PAT (so bit 7 is on) and clear bit 3
332  * PAT (bit 7 on) --> PWT (bit 3 on) and clear bit 7.
388  * on all CPUs in the system.
499  *      @return 0 on success, otherwise return an error code.
502  *      @return the number of characters read on success, otherwise return
572  * aren't adjusted on the I/O-mapping code path).
684      * on the CPU that is currently hosting the VCPU. This means that the
723  * only data on the shared page, but may vary in actual size even within
724  * compatible Xen versions; guests should not rely on the size
731      * A domain can create "event channels" on which it can send and receive
757      * transition on an unmasked channel causes a corresponding bit in a
766      * Guests should base their gettimeofday() syscall on this
794  *  2. The contiguous region ends on an aligned 4MB boundary.
817  * Note: Prior to 25833:bb85bbccb1c9. ("x86/32-on-64 adjust Dom0 initial page
820  * This only manifested itself on 32-on-64 dom0 kernels and not 32-on-64 domU
821  * or 64-bit kernels of any colour. The page tables for a 32-on-64 dom0 got
829     /* THE FOLLOWING ARE FILLED IN BOTH ON INITIAL BOOT AND ON RESUME.    */
846     /* THE FOLLOWING ARE ONLY FILLED IN ON INITIAL BOOT (NOT RESUME).     */
883  * - addresses in the module descriptors are based on the beginning of the