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/*
* Copyright 2010 Tilera Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*/
#ifndef _ASM_TILE_KMAP_TYPES_H
#define _ASM_TILE_KMAP_TYPES_H
/*
* In 32-bit TILE Linux we have to balance the desire to have a lot of
* nested atomic mappings with the fact that large page sizes and many
* processors chew up address space quickly. In a typical
* 64-processor, 64KB-page layout build, making KM_TYPE_NR one larger
* adds 4MB of required address-space. For now we leave KM_TYPE_NR
* set to depth 8.
*/
enum km_type {
KM_TYPE_NR = 8
};
/*
* We provide dummy definitions of all the stray values that used to be
* required for kmap_atomic() and no longer are.
*/
enum {
KM_BOUNCE_READ,
KM_SKB_SUNRPC_DATA,
KM_SKB_DATA_SOFTIRQ,
KM_USER0,
KM_USER1,
KM_BIO_SRC_IRQ,
KM_BIO_DST_IRQ,
KM_PTE0,
KM_PTE1,
KM_IRQ0,
KM_IRQ1,
KM_SOFTIRQ0,
KM_SOFTIRQ1,
KM_SYNC_ICACHE,
KM_SYNC_DCACHE,
KM_UML_USERCOPY,
KM_IRQ_PTE,
KM_NMI,
KM_NMI_PTE,
KM_KDB
};
#endif /* _ASM_TILE_KMAP_TYPES_H */
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