1 /* 2 * Copyright 2010 Tilera Corporation. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation, version 2. 7 * 8 * This program is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 11 * NON INFRINGEMENT. See the GNU General Public License for 12 * more details. 13 */ 14 15 #ifndef _ASM_TILE_KMAP_TYPES_H 16 #define _ASM_TILE_KMAP_TYPES_H 17 18 /* 19 * In 32-bit TILE Linux we have to balance the desire to have a lot of 20 * nested atomic mappings with the fact that large page sizes and many 21 * processors chew up address space quickly. In a typical 22 * 64-processor, 64KB-page layout build, making KM_TYPE_NR one larger 23 * adds 4MB of required address-space. For now we leave KM_TYPE_NR 24 * set to depth 8. 25 */ 26 enum km_type { 27 KM_TYPE_NR = 8 28 }; 29 30 /* 31 * We provide dummy definitions of all the stray values that used to be 32 * required for kmap_atomic() and no longer are. 33 */ 34 enum { 35 KM_BOUNCE_READ, 36 KM_SKB_SUNRPC_DATA, 37 KM_SKB_DATA_SOFTIRQ, 38 KM_USER0, 39 KM_USER1, 40 KM_BIO_SRC_IRQ, 41 KM_BIO_DST_IRQ, 42 KM_PTE0, 43 KM_PTE1, 44 KM_IRQ0, 45 KM_IRQ1, 46 KM_SOFTIRQ0, 47 KM_SOFTIRQ1, 48 KM_SYNC_ICACHE, 49 KM_SYNC_DCACHE, 50 KM_UML_USERCOPY, 51 KM_IRQ_PTE, 52 KM_NMI, 53 KM_NMI_PTE, 54 KM_KDB 55 }; 56 57 #endif /* _ASM_TILE_KMAP_TYPES_H */ 58