tools/virtio: add dma stubs

[cascardo/linux.git] / tools / virtio / linux / kernel.h

diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index 0338499..d9554fc 100644 (file)
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -20,7 +20,9 @@
 
 #define PAGE_SIZE getpagesize()
 #define PAGE_MASK (~(PAGE_SIZE-1))
+#define PAGE_ALIGN(x) ((x + PAGE_SIZE - 1) & PAGE_MASK)
 
+typedef unsigned long long phys_addr_t;
 typedef unsigned long long dma_addr_t;
 typedef size_t __kernel_size_t;
 typedef unsigned int __wsum;
@@ -57,6 +59,11 @@ static inline void *kzalloc(size_t s, gfp_t gfp)
        return p;
 }
 
+static inline void *alloc_pages_exact(size_t s, gfp_t gfp)
+{
+       return kmalloc(s, gfp);
+}
+
 static inline void kfree(void *p)
 {
        if (p >= __kfree_ignore_start && p < __kfree_ignore_end)
@@ -64,6 +71,11 @@ static inline void kfree(void *p)
        free(p);
 }
 
+static inline void free_pages_exact(void *p, size_t s)
+{
+       kfree(p);
+}
+
 static inline void *krealloc(void *p, size_t s, gfp_t gfp)
 {
        return realloc(p, s);
@@ -105,6 +117,8 @@ static inline void free_page(unsigned long addr)
 #define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
 #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
 
+#define WARN_ON_ONCE(cond) ((cond) && fprintf (stderr, "WARNING\n"))
+
 #define min(x, y) ({                           \
        typeof(x) _min1 = (x);                  \
        typeof(y) _min2 = (y);                  \