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DMA copying now specifies destination operating system

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This commit is contained in:
Taku Shimosawa
2012-02-22 18:01:55 +09:00
parent e4d776a0b6
commit 0be6147a81
1 changed files with 5 additions and 0 deletions
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5
kernel/copy.c
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@@ -10,14 +10,19 @@ int memcpy_async(unsigned long dest, unsigned long src,
if (notify) if (notify)
*notify = 0; *notify = 0;
memset(&req, 0, sizeof(req)); memset(&req, 0, sizeof(req));
/* Physical */
req.src_os = (aal_os_t)AAL_THIS_OS;
req.src_phys = src; req.src_phys = src;
req.dest_os = (aal_os_t)AAL_THIS_OS;
req.dest_phys = dest; req.dest_phys = dest;
req.size = len; req.size = len;
if (notify) { if (notify) {
req.notify_os = (aal_os_t)AAL_THIS_OS;
req.notify = (void *)virt_to_phys(notify); req.notify = (void *)virt_to_phys(notify);
req.priv = (void *)1; req.priv = (void *)1;
} else if (wait) { } else if (wait) {
req.notify_os = (aal_os_t)AAL_THIS_OS;
req.notify = (void *)virt_to_phys(&fin); req.notify = (void *)virt_to_phys(&fin);
req.priv = (void *)1; req.priv = (void *)1;
} }