diff options
Diffstat (limited to 'include/xen/xencomm.h')
| -rw-r--r-- | include/xen/xencomm.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/include/xen/xencomm.h b/include/xen/xencomm.h deleted file mode 100644 index e43b039be112..000000000000 --- a/include/xen/xencomm.h +++ /dev/null | |||
| @@ -1,77 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * This program is free software; you can redistribute it and/or modify | ||
| 3 | * it under the terms of the GNU General Public License as published by | ||
| 4 | * the Free Software Foundation; either version 2 of the License, or | ||
| 5 | * (at your option) any later version. | ||
| 6 | * | ||
| 7 | * This program is distributed in the hope that it will be useful, | ||
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 10 | * GNU General Public License for more details. | ||
| 11 | * | ||
| 12 | * You should have received a copy of the GNU General Public License | ||
| 13 | * along with this program; if not, write to the Free Software | ||
| 14 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 15 | * | ||
| 16 | * Copyright (C) IBM Corp. 2006 | ||
| 17 | * | ||
| 18 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> | ||
| 19 | * Jerone Young <jyoung5@us.ibm.com> | ||
| 20 | */ | ||
| 21 | |||
| 22 | #ifndef _LINUX_XENCOMM_H_ | ||
| 23 | #define _LINUX_XENCOMM_H_ | ||
| 24 | |||
| 25 | #include <xen/interface/xencomm.h> | ||
| 26 | |||
| 27 | #define XENCOMM_MINI_ADDRS 3 | ||
| 28 | struct xencomm_mini { | ||
| 29 | struct xencomm_desc _desc; | ||
| 30 | uint64_t address[XENCOMM_MINI_ADDRS]; | ||
| 31 | }; | ||
| 32 | |||
| 33 | /* To avoid additionnal virt to phys conversion, an opaque structure is | ||
| 34 | presented. */ | ||
| 35 | struct xencomm_handle; | ||
| 36 | |||
| 37 | extern void xencomm_free(struct xencomm_handle *desc); | ||
| 38 | extern struct xencomm_handle *xencomm_map(void *ptr, unsigned long bytes); | ||
| 39 | extern struct xencomm_handle *__xencomm_map_no_alloc(void *ptr, | ||
| 40 | unsigned long bytes, struct xencomm_mini *xc_area); | ||
| 41 | |||
| 42 | #if 0 | ||
| 43 | #define XENCOMM_MINI_ALIGNED(xc_desc, n) \ | ||
| 44 | struct xencomm_mini xc_desc ## _base[(n)] \ | ||
| 45 | __attribute__((__aligned__(sizeof(struct xencomm_mini)))); \ | ||
| 46 | struct xencomm_mini *xc_desc = &xc_desc ## _base[0]; | ||
| 47 | #else | ||
| 48 | /* | ||
| 49 | * gcc bug workaround: | ||
| 50 | * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16660 | ||
| 51 | * gcc doesn't handle properly stack variable with | ||
| 52 | * __attribute__((__align__(sizeof(struct xencomm_mini)))) | ||
| 53 | */ | ||
| 54 | #define XENCOMM_MINI_ALIGNED(xc_desc, n) \ | ||
| 55 | unsigned char xc_desc ## _base[((n) + 1 ) * \ | ||
| 56 | sizeof(struct xencomm_mini)]; \ | ||
| 57 | struct xencomm_mini *xc_desc = (struct xencomm_mini *) \ | ||
| 58 | ((unsigned long)xc_desc ## _base + \ | ||
| 59 | (sizeof(struct xencomm_mini) - \ | ||
| 60 | ((unsigned long)xc_desc ## _base) % \ | ||
| 61 | sizeof(struct xencomm_mini))); | ||
| 62 | #endif | ||
| 63 | #define xencomm_map_no_alloc(ptr, bytes) \ | ||
| 64 | ({ XENCOMM_MINI_ALIGNED(xc_desc, 1); \ | ||
| 65 | __xencomm_map_no_alloc(ptr, bytes, xc_desc); }) | ||
| 66 | |||
| 67 | /* provided by architecture code: */ | ||
| 68 | extern unsigned long xencomm_vtop(unsigned long vaddr); | ||
| 69 | |||
| 70 | static inline void *xencomm_pa(void *ptr) | ||
| 71 | { | ||
| 72 | return (void *)xencomm_vtop((unsigned long)ptr); | ||
| 73 | } | ||
| 74 | |||
| 75 | #define xen_guest_handle(hnd) ((hnd).p) | ||
| 76 | |||
| 77 | #endif /* _LINUX_XENCOMM_H_ */ | ||