/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CACHEFLUSH_H
#define __ASM_CACHEFLUSH_H

/* Keep includes the same across arches.  */
#include <linux/mm.h>

#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0

/*
 * The cache doesn't need to be flushed when TLB entries change when
 * the cache is mapped to physical memory, not virtual memory
 */
#ifndef flush_cache_all
static inline void flush_cache_all(void)
{
}
#endif

#ifndef flush_cache_mm
static inline void flush_cache_mm(struct mm_struct *mm)
{
}
#endif

#ifndef flush_cache_dup_mm
static inline void flush_cache_dup_mm(struct mm_struct *mm)
{
}
#endif

#ifndef flush_cache_range
static inline void flush_cache_range(struct vm_area_struct *vma,
				     unsigned long start,
				     unsigned long end)
{
}
#endif

#ifndef flush_cache_page
static inline void flush_cache_page(struct vm_area_struct *vma,
				    unsigned long vmaddr,
				    unsigned long pfn)
{
}
#endif

#ifndef flush_dcache_page
static inline void flush_dcache_page(struct page *page)
{
}
#endif

#ifndef flush_dcache_mmap_lock
static inline void flush_dcache_mmap_lock(struct address_space *mapping)
{
}
#endif

#ifndef flush_dcache_mmap_unlock
static inline void flush_dcache_mmap_unlock(struct address_space *mapping)
{
}
#endif

#ifndef flush_icache_range
static inline void flush_icache_range(unsigned long start, unsigned long end)
{
}
#endif

#ifndef flush_icache_page
static inline void flush_icache_page(struct vm_area_struct *vma,
				     struct page *page)
{
}
#endif

#ifndef flush_icache_user_range
static inline void flush_icache_user_range(struct vm_area_struct *vma,
					   struct page *page,
					   unsigned long addr, int len)
{
}
#endif

#ifndef flush_cache_vmap
static inline void flush_cache_vmap(unsigned long start, unsigned long end)
{
}
#endif

#ifndef flush_cache_vunmap
static inline void flush_cache_vunmap(unsigned long start, unsigned long end)
{
}
#endif

#ifndef copy_to_user_page
#define copy_to_user_page(vma, page, vaddr, dst, src, len)	\
	do { \
		memcpy(dst, src, len); \
		flush_icache_user_range(vma, page, vaddr, len); \
	} while (0)
#endif

#ifndef copy_from_user_page
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
	memcpy(dst, src, len)
#endif

#endif /* __ASM_CACHEFLUSH_H */
inux-2.6.33.y</option>
<option value='linux-2.6.34.y'>linux-2.6.34.y</option>
<option value='linux-2.6.35.y'>linux-2.6.35.y</option>
<option value='linux-2.6.36.y'>linux-2.6.36.y</option>
<option value='linux-2.6.37.y'>linux-2.6.37.y</option>
<option value='linux-2.6.38.y'>linux-2.6.38.y</option>
<option value='linux-2.6.39.y'>linux-2.6.39.y</option>
<option value='linux-3.0.y'>linux-3.0.y</option>
<option value='linux-3.1.y'>linux-3.1.y</option>
<option value='linux-3.10.y'>linux-3.10.y</option>
<option value='linux-3.11.y'>linux-3.11.y</option>
<option value='linux-3.12.y'>linux-3.12.y</option>
<option value='linux-3.13.y'>linux-3.13.y</option>
<option value='linux-3.14.y'>linux-3.14.y</option>
<option value='linux-3.15.y'>linux-3.15.y</option>
<option value='linux-3.16.y'>linux-3.16.y</option>
<option value='linux-3.17.y'>linux-3.17.y</option>
<option value='linux-3.18.y'>linux-3.18.y</option>
<option value='linux-3.19.y'>linux-3.19.y</option>
<option value='linux-3.2.y'>linux-3.2.y</option>
<option value='linux-3.3.y'>linux-3.3.y</option>
<option value='linux-3.4.y'>linux-3.4.y</option>
<option value='linux-3.5.y'>linux-3.5.y</option>
<option value='linux-3.6.y'>linux-3.6.y</option>
<option value='linux-3.7.y'>linux-3.7.y</option>
<option value='linux-3.8.y'>linux-3.8.y</option>
<option value='linux-3.9.y'>linux-3.9.y</option>
<option value='linux-4.0.y'>linux-4.0.y</option>
<option value='linux-4.1.y'>linux-4.1.y</option>
<option value='linux-4.10.y'>linux-4.10.y</option>
<option value='linux-4.11.y'>linux-4.11.y</option>
<option value='linux-4.12.y'>linux-4.12.y</option>
<option value='linux-4.13.y'>linux-4.13.y</option>
<option value='linux-4.14.y'>linux-4.14.y</option>
<option value='linux-4.15.y'>linux-4.15.y</option>
<option value='linux-4.16.y'>linux-4.16.y</option>
<option value='linux-4.17.y'>linux-4.17.y</option>
<option value='linux-4.18.y'>linux-4.18.y</option>
<option value='linux-4.19.y'>linux-4.19.y</option>
<option value='linux-4.2.y'>linux-4.2.y</option>
<option value='linux-4.20.y'>linux-4.20.y</option>
<option value='linux-4.3.y'>linux-4.3.y</option>
<option value='linux-4.4.y'>linux-4.4.y</option>
<option value='linux-4.5.y'>linux-4.5.y</option>
<option value='linux-4.6.y'>linux-4.6.y</option>
<option value='linux-4.7.y'>linux-4.7.y</option>
<option value='linux-4.8.y'>linux-4.8.y</option>
<option value='linux-4.9.y'>linux-4.9.y</option>
<option value='linux-5.0.y'>linux-5.0.y</option>
<option value='linux-5.1.y'>linux-5.1.y</option>
<option value='linux-5.10.y'>linux-5.10.y</option>
<option value='linux-5.11.y'>linux-5.11.y</option>
<option value='linux-5.12.y'>linux-5.12.y</option>
<option value='linux-5.13.y'>linux-5.13.y</option>
<option value='linux-5.14.y'>linux-5.14.y</option>
<option value='linux-5.15.y'>linux-5.15.y</option>
<option value='linux-5.16.y'>linux-5.16.y</option>
<option value='linux-5.17.y'>linux-5.17.y</option>
<option value='linux-5.18.y'>linux-5.18.y</option>
<option value='linux-5.19.y'>linux-5.19.y</option>
<option value='linux-5.2.y'>linux-5.2.y</option>
<option value='linux-5.3.y'>linux-5.3.y</option>
<option value='linux-5.4.y'>linux-5.4.y</option>
<option value='linux-5.5.y'>linux-5.5.y</option>
<option value='linux-5.6.y'>linux-5.6.y</option>
<option value='linux-5.7.y'>linux-5.7.y</option>
<option value='linux-5.8.y'>linux-5.8.y</option>
<option value='linux-5.9.y'>linux-5.9.y</option>
<option value='linux-6.0.y'>linux-6.0.y</option>
<option value='linux-6.1.y'>linux-6.1.y</option>
<option value='linux-6.10.y'>linux-6.10.y</option>
<option value='linux-6.11.y'>linux-6.11.y</option>
<option value='linux-6.12.y'>linux-6.12.y</option>
<option value='linux-6.13.y'>linux-6.13.y</option>
<option value='linux-6.14.y'>linux-6.14.y</option>
<option value='linux-6.15.y'>linux-6.15.y</option>
<option value='linux-6.16.y'>linux-6.16.y</option>
<option value='linux-6.17.y'>linux-6.17.y</option>
<option value='linux-6.18.y'>linux-6.18.y</option>
<option value='linux-6.19.y'>linux-6.19.y</option>
<option value='linux-6.2.y'>linux-6.2.y</option>
<option value='linux-6.3.y'>linux-6.3.y</option>
<option value='linux-6.4.y'>linux-6.4.y</option>
<option value='linux-6.5.y'>linux-6.5.y</option>
<option value='linux-6.6.y'>linux-6.6.y</option>
<option value='linux-6.7.y'>linux-6.7.y</option>
<option value='linux-6.8.y'>linux-6.8.y</option>
<option value='linux-6.9.y'>linux-6.9.y</option>
<option value='linux-rolling-lts'>linux-rolling-lts</option>
<option value='linux-rolling-stable'>linux-rolling-stable</option>
<option value='master'>master</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Hosts the 0x221E linux distro kernel.</td><td class='sub right'>Ubuntu</td></tr></table>
<table class='tabs'><tr><td>
<a href='/distro/kernel/'>summary</a><a href='/distro/kernel/refs/?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>refs</a><a class='active' href='/distro/kernel/log/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h'>log</a><a href='/distro/kernel/tree/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>tree</a><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>commit</a><a href='/distro/kernel/diff/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>diff</a></td><td class='form'><form class='right' method='get' action='/distro/kernel/log/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h'>
<input type='hidden' name='id' value='1a75f24a7f8c2cac9c34126d7221ff59c5265316'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/distro/kernel/log/?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>root</a>/<a href='/distro/kernel/log/drivers?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>drivers</a>/<a href='/distro/kernel/log/drivers/gpu?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>gpu</a>/<a href='/distro/kernel/log/drivers/gpu/drm?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>drm</a>/<a href='/distro/kernel/log/drivers/gpu/drm/amd?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>amd</a>/<a href='/distro/kernel/log/drivers/gpu/drm/amd/amdgpu?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>amdgpu</a>/<a href='/distro/kernel/log/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316'>amdgpu_xgmi.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/distro/kernel/log/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=1a75f24a7f8c2cac9c34126d7221ff59c5265316&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2025-09-15 16:52:31 -0400'>2025-09-15</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=c1456fadce0c99175f97e66c2b982dd051e01aa2'>drm/amdgpu: Release hive reference properly</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2025-06-18 12:19:21 -0400'>2025-06-18</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=9750ad5aee4cf24b03dbd3baf475a0840bc0bcea'>drm/amdgpu: Add xgmi API to set max speed/width</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2025-06-18 12:19:21 -0400'>2025-06-18</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=8c9eb6ce5021adab44b4a365f2ba9bbbfd65f5b5'>drm/amdgpu: Deprecate xgmi_link_speed enum</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2025-05-22 12:02:04 -0400'>2025-05-22</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=74956242a0dfe4ef7fef0f9a4e8f7ea7415be97b'>drm/amd/pm: Use external link order for xgmi data</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2025-02-27 16:50:04 -0500'>2025-02-27</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=485993e2f1a6bf3d1e8fb5a38c82edd3ae697ad9'>drm/amdgpu: Add xgmi speed/width related info</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2025-02-27 16:50:04 -0500'>2025-02-27</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=6f16d101dab5ec6e8fc9567769f73ae8baa3fe38'>drm/amdgpu: Move xgmi definitions to xgmi header</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2025-02-25 11:45:12 -0500'>2025-02-25</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=9424a5bf0836347b737ab27da2c22111abf0ede2'>drm/amdgpu: simplify xgmi peer info calls</a></td><td>Jonathan Kim</td></tr>
<tr><td><span title='2024-11-20 09:36:48 -0500'>2024-11-20</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=466a59abacc6590487faf21bd572d704f7283d47'>drm/amd/pm: Get xgmi link status for XGMI_v_6_4_0</a></td><td>Asad Kamal</td></tr>
<tr><td><span title='2024-10-24 18:06:34 -0400'>2024-10-24</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=e46738a58f87fc03962ce907f81e69dcd93f88f5'>drm/amdkfd: sever xgmi io link if host driver has disable sharing</a></td><td>Jonathan Kim</td></tr>
<tr><td><span title='2024-10-15 11:16:20 -0400'>2024-10-15</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=ee52489d1210dbb894fda71957e1e9832126efda'>drm/amdgpu: Place NPS mode request on unload</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2024-10-07 14:32:23 -0400'>2024-10-07</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=bbc160084edad8db569f6af0291e0ff9a8f41c0c'>drm/amdgpu: Add gmc interface to request NPS mode</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2024-09-26 17:06:46 -0400'>2024-09-26</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=631af731ee9cc7f5a5c0ab1de94da68195920214'>drm/amdgpu: Refactor XGMI reset on init handling</a></td><td>Lijo Lazar</td></tr>
<tr><td><span title='2024-03-20 13:38:13 -0400'>2024-03-20</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=9dc57c2adf2c307a672f15b4be17c6c14e37cfb9'>drm/amdgpu: add ras event id support</a></td><td>Yang Wang</td></tr>
<tr><td><span title='2024-01-18 16:43:42 -0500'>2024-01-18</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=fb1c93c2e9604a884467a773790016199f78ca08'>drm/amdgpu: revert "Adjust removal control flow for smu v13_0_2"</a></td><td>Christian König</td></tr>
<tr><td><span title='2023-10-19 18:26:51 -0400'>2023-10-19</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=53dd920c1f471a5763c660a7b94fe0aaf746d357'>drm/amdgpu : Add hive ras recovery check</a></td><td>Asad Kamal</td></tr>
<tr><td><span title='2023-03-15 18:45:27 -0400'>2023-03-15</span></td><td><a href='/distro/kernel/commit/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h?id=da9d669eab152dbd6e9410606a7c8c8a212a7959'>drm/amdgpu: Rework xgmi_wafl_pcs ras sw_init</a></td><td>Hawking Zhang</td></tr>