--- /dev/null
+#if defined(__i386__) || defined(__x86_64__)
+#define barrier() asm volatile("" ::: "memory")
+#define mb() __sync_synchronize()
+
+#define smp_mb() mb()
+# define smp_rmb() barrier()
+# define smp_wmb() barrier()
+/* Weak barriers should be used. If not - it's a bug */
+# define rmb() abort()
+# define wmb() abort()
+#else
+#error Please fill in barrier macros
+#endif
+
--- /dev/null
+#ifndef BUG_H
+#define BUG_H
+
+#define BUG_ON(__BUG_ON_cond) assert(!(__BUG_ON_cond))
+
+#define BUILD_BUG_ON(x)
+
+#define BUG() abort()
+
+#endif /* BUG_H */
--- /dev/null
+#ifndef ERR_H
+#define ERR_H
+#define MAX_ERRNO 4095
+
+#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
+
+static inline void * __must_check ERR_PTR(long error)
+{
+ return (void *) error;
+}
+
+static inline long __must_check PTR_ERR(const void *ptr)
+{
+ return (long) ptr;
+}
+
+static inline long __must_check IS_ERR(const void *ptr)
+{
+ return IS_ERR_VALUE((unsigned long)ptr);
+}
+
+static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
+{
+ return !ptr || IS_ERR_VALUE((unsigned long)ptr);
+}
+#endif /* ERR_H */
--- /dev/null
+#define EXPORT_SYMBOL(sym)
+#define EXPORT_SYMBOL_GPL(sym)
+#define EXPORT_SYMBOL_GPL_FUTURE(sym)
+#define EXPORT_UNUSED_SYMBOL(sym)
+#define EXPORT_UNUSED_SYMBOL_GPL(sym)
--- /dev/null
+#include "../../../include/linux/irqreturn.h"
--- /dev/null
+#ifndef KERNEL_H
+#define KERNEL_H
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <stdarg.h>
+
+#include <linux/types.h>
+#include <linux/printk.h>
+#include <linux/bug.h>
+#include <errno.h>
+#include <unistd.h>
+#include <asm/barrier.h>
+
+#define CONFIG_SMP
+
+#define PAGE_SIZE getpagesize()
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+typedef unsigned long long dma_addr_t;
+typedef size_t __kernel_size_t;
+
+struct page {
+ unsigned long long dummy;
+};
+
+/* Physical == Virtual */
+#define virt_to_phys(p) ((unsigned long)p)
+#define phys_to_virt(a) ((void *)(unsigned long)(a))
+/* Page address: Virtual / 4K */
+#define page_to_phys(p) ((dma_addr_t)(unsigned long)(p))
+#define virt_to_page(p) ((struct page *)((unsigned long)p & PAGE_MASK))
+
+#define offset_in_page(p) (((unsigned long)p) % PAGE_SIZE)
+
+#define __printf(a,b) __attribute__((format(printf,a,b)))
+
+typedef enum {
+ GFP_KERNEL,
+ GFP_ATOMIC,
+ __GFP_HIGHMEM,
+ __GFP_HIGH
+} gfp_t;
+
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
+
+extern void *__kmalloc_fake, *__kfree_ignore_start, *__kfree_ignore_end;
+static inline void *kmalloc(size_t s, gfp_t gfp)
+{
+ if (__kmalloc_fake)
+ return __kmalloc_fake;
+ return malloc(s);
+}
+
+static inline void kfree(void *p)
+{
+ if (p >= __kfree_ignore_start && p < __kfree_ignore_end)
+ return;
+ free(p);
+}
+
+static inline void *krealloc(void *p, size_t s, gfp_t gfp)
+{
+ return realloc(p, s);
+}
+
+
+static inline unsigned long __get_free_page(gfp_t gfp)
+{
+ void *p;
+
+ posix_memalign(&p, PAGE_SIZE, PAGE_SIZE);
+ return (unsigned long)p;
+}
+
+static inline void free_page(unsigned long addr)
+{
+ free((void *)addr);
+}
+
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+#define uninitialized_var(x) x = x
+
+# ifndef likely
+# define likely(x) (__builtin_expect(!!(x), 1))
+# endif
+# ifndef unlikely
+# define unlikely(x) (__builtin_expect(!!(x), 0))
+# endif
+
+#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
+#ifdef DEBUG
+#define pr_debug(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
+#else
+#define pr_debug(format, ...) do {} while (0)
+#endif
+#define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
+#define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
+
+#define min(x, y) ({ \
+ typeof(x) _min1 = (x); \
+ typeof(y) _min2 = (y); \
+ (void) (&_min1 == &_min2); \
+ _min1 < _min2 ? _min1 : _min2; })
+
+#endif /* KERNEL_H */
+#include <linux/export.h>
--- /dev/null
+#include "../../../include/linux/kern_levels.h"
+
+#define printk printf
+#define vprintk vprintf
--- /dev/null
+#define DEFINE_RATELIMIT_STATE(name, interval_init, burst_init) int name = 0
+
+#define __ratelimit(x) (*(x))
+
--- /dev/null
+#ifndef SCATTERLIST_H
+#define SCATTERLIST_H
+#include <linux/kernel.h>
+
+struct scatterlist {
+ unsigned long page_link;
+ unsigned int offset;
+ unsigned int length;
+ dma_addr_t dma_address;
+};
+
+/* Scatterlist helpers, stolen from linux/scatterlist.h */
+#define sg_is_chain(sg) ((sg)->page_link & 0x01)
+#define sg_is_last(sg) ((sg)->page_link & 0x02)
+#define sg_chain_ptr(sg) \
+ ((struct scatterlist *) ((sg)->page_link & ~0x03))
+
+/**
+ * sg_assign_page - Assign a given page to an SG entry
+ * @sg: SG entry
+ * @page: The page
+ *
+ * Description:
+ * Assign page to sg entry. Also see sg_set_page(), the most commonly used
+ * variant.
+ *
+ **/
+static inline void sg_assign_page(struct scatterlist *sg, struct page *page)
+{
+ unsigned long page_link = sg->page_link & 0x3;
+
+ /*
+ * In order for the low bit stealing approach to work, pages
+ * must be aligned at a 32-bit boundary as a minimum.
+ */
+ BUG_ON((unsigned long) page & 0x03);
+#ifdef CONFIG_DEBUG_SG
+ BUG_ON(sg->sg_magic != SG_MAGIC);
+ BUG_ON(sg_is_chain(sg));
+#endif
+ sg->page_link = page_link | (unsigned long) page;
+}
+
+/**
+ * sg_set_page - Set sg entry to point at given page
+ * @sg: SG entry
+ * @page: The page
+ * @len: Length of data
+ * @offset: Offset into page
+ *
+ * Description:
+ * Use this function to set an sg entry pointing at a page, never assign
+ * the page directly. We encode sg table information in the lower bits
+ * of the page pointer. See sg_page() for looking up the page belonging
+ * to an sg entry.
+ *
+ **/
+static inline void sg_set_page(struct scatterlist *sg, struct page *page,
+ unsigned int len, unsigned int offset)
+{
+ sg_assign_page(sg, page);
+ sg->offset = offset;
+ sg->length = len;
+}
+
+static inline struct page *sg_page(struct scatterlist *sg)
+{
+#ifdef CONFIG_DEBUG_SG
+ BUG_ON(sg->sg_magic != SG_MAGIC);
+ BUG_ON(sg_is_chain(sg));
+#endif
+ return (struct page *)((sg)->page_link & ~0x3);
+}
+
+/*
+ * Loop over each sg element, following the pointer to a new list if necessary
+ */
+#define for_each_sg(sglist, sg, nr, __i) \
+ for (__i = 0, sg = (sglist); __i < (nr); __i++, sg = sg_next(sg))
+
+/**
+ * sg_chain - Chain two sglists together
+ * @prv: First scatterlist
+ * @prv_nents: Number of entries in prv
+ * @sgl: Second scatterlist
+ *
+ * Description:
+ * Links @prv@ and @sgl@ together, to form a longer scatterlist.
+ *
+ **/
+static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
+ struct scatterlist *sgl)
+{
+ /*
+ * offset and length are unused for chain entry. Clear them.
+ */
+ prv[prv_nents - 1].offset = 0;
+ prv[prv_nents - 1].length = 0;
+
+ /*
+ * Set lowest bit to indicate a link pointer, and make sure to clear
+ * the termination bit if it happens to be set.
+ */
+ prv[prv_nents - 1].page_link = ((unsigned long) sgl | 0x01) & ~0x02;
+}
+
+/**
+ * sg_mark_end - Mark the end of the scatterlist
+ * @sg: SG entryScatterlist
+ *
+ * Description:
+ * Marks the passed in sg entry as the termination point for the sg
+ * table. A call to sg_next() on this entry will return NULL.
+ *
+ **/
+static inline void sg_mark_end(struct scatterlist *sg)
+{
+#ifdef CONFIG_DEBUG_SG
+ BUG_ON(sg->sg_magic != SG_MAGIC);
+#endif
+ /*
+ * Set termination bit, clear potential chain bit
+ */
+ sg->page_link |= 0x02;
+ sg->page_link &= ~0x01;
+}
+
+static inline struct scatterlist *sg_next(struct scatterlist *sg)
+{
+#ifdef CONFIG_DEBUG_SG
+ BUG_ON(sg->sg_magic != SG_MAGIC);
+#endif
+ if (sg_is_last(sg))
+ return NULL;
+
+ sg++;
+ if (unlikely(sg_is_chain(sg)))
+ sg = sg_chain_ptr(sg);
+
+ return sg;
+}
+
+static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
+{
+ memset(sgl, 0, sizeof(*sgl) * nents);
+#ifdef CONFIG_DEBUG_SG
+ {
+ unsigned int i;
+ for (i = 0; i < nents; i++)
+ sgl[i].sg_magic = SG_MAGIC;
+ }
+#endif
+ sg_mark_end(&sgl[nents - 1]);
+}
+
+static inline dma_addr_t sg_phys(struct scatterlist *sg)
+{
+ return page_to_phys(sg_page(sg)) + sg->offset;
+}
+
+static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
+ unsigned int buflen)
+{
+ sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
+}
+
+static inline void sg_init_one(struct scatterlist *sg,
+ const void *buf, unsigned int buflen)
+{
+ sg_init_table(sg, 1);
+ sg_set_buf(sg, buf, buflen);
+}
+#endif /* SCATTERLIST_H */
--- /dev/null
+#ifndef TYPES_H
+#define TYPES_H
+#include <stdint.h>
+
+#define __force
+#define __user
+#define __must_check
+#define __cold
+
+typedef uint64_t u64;
+typedef int64_t s64;
+typedef uint32_t u32;
+typedef int32_t s32;
+typedef uint16_t u16;
+typedef int16_t s16;
+typedef uint8_t u8;
+typedef int8_t s8;
+
+typedef uint64_t __u64;
+typedef int64_t __s64;
+typedef uint32_t __u32;
+typedef int32_t __s32;
+typedef uint16_t __u16;
+typedef int16_t __s16;
+typedef uint8_t __u8;
+typedef int8_t __s8;
+
+#endif /* TYPES_H */
--- /dev/null
+#ifndef UACCESS_H
+#define UACCESS_H
+extern void *__user_addr_min, *__user_addr_max;
+
+#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
+
+static inline void __chk_user_ptr(const volatile void *p, size_t size)
+{
+ assert(p >= __user_addr_min && p + size <= __user_addr_max);
+}
+
+#define put_user(x, ptr) \
+({ \
+ typeof(ptr) __pu_ptr = (ptr); \
+ __chk_user_ptr(__pu_ptr, sizeof(*__pu_ptr)); \
+ ACCESS_ONCE(*(__pu_ptr)) = x; \
+ 0; \
+})
+
+#define get_user(x, ptr) \
+({ \
+ typeof(ptr) __pu_ptr = (ptr); \
+ __chk_user_ptr(__pu_ptr, sizeof(*__pu_ptr)); \
+ x = ACCESS_ONCE(*(__pu_ptr)); \
+ 0; \
+})
+
+static void volatile_memcpy(volatile char *to, const volatile char *from,
+ unsigned long n)
+{
+ while (n--)
+ *(to++) = *(from++);
+}
+
+static inline int copy_from_user(void *to, const void __user volatile *from,
+ unsigned long n)
+{
+ __chk_user_ptr(from, n);
+ volatile_memcpy(to, from, n);
+ return 0;
+}
+
+static inline int copy_to_user(void __user volatile *to, const void *from,
+ unsigned long n)
+{
+ __chk_user_ptr(to, n);
+ volatile_memcpy(to, from, n);
+ return 0;
+}
+#endif /* UACCESS_H */
--- /dev/null
+#include "../../../include/linux/uio.h"
#ifndef LINUX_VIRTIO_H
#define LINUX_VIRTIO_H
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-
-#include <linux/types.h>
-#include <errno.h>
-
-typedef unsigned long long dma_addr_t;
-
-struct scatterlist {
- unsigned long page_link;
- unsigned int offset;
- unsigned int length;
- dma_addr_t dma_address;
-};
-
-struct page {
- unsigned long long dummy;
-};
-
-#define BUG_ON(__BUG_ON_cond) assert(!(__BUG_ON_cond))
-
-/* Physical == Virtual */
-#define virt_to_phys(p) ((unsigned long)p)
-#define phys_to_virt(a) ((void *)(unsigned long)(a))
-/* Page address: Virtual / 4K */
-#define virt_to_page(p) ((struct page*)((virt_to_phys(p) / 4096) * \
- sizeof(struct page)))
-#define offset_in_page(p) (((unsigned long)p) % 4096)
-#define sg_phys(sg) ((sg->page_link & ~0x3) / sizeof(struct page) * 4096 + \
- sg->offset)
-static inline void sg_mark_end(struct scatterlist *sg)
-{
- /*
- * Set termination bit, clear potential chain bit
- */
- sg->page_link |= 0x02;
- sg->page_link &= ~0x01;
-}
-static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
-{
- memset(sgl, 0, sizeof(*sgl) * nents);
- sg_mark_end(&sgl[nents - 1]);
-}
-static inline void sg_assign_page(struct scatterlist *sg, struct page *page)
-{
- unsigned long page_link = sg->page_link & 0x3;
-
- /*
- * In order for the low bit stealing approach to work, pages
- * must be aligned at a 32-bit boundary as a minimum.
- */
- BUG_ON((unsigned long) page & 0x03);
- sg->page_link = page_link | (unsigned long) page;
-}
-
-static inline void sg_set_page(struct scatterlist *sg, struct page *page,
- unsigned int len, unsigned int offset)
-{
- sg_assign_page(sg, page);
- sg->offset = offset;
- sg->length = len;
-}
-
-static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
- unsigned int buflen)
-{
- sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));
-}
-
-static inline void sg_init_one(struct scatterlist *sg, const void *buf, unsigned int buflen)
-{
- sg_init_table(sg, 1);
- sg_set_buf(sg, buf, buflen);
-}
-
-typedef __u16 u16;
-
-typedef enum {
- GFP_KERNEL,
- GFP_ATOMIC,
- __GFP_HIGHMEM,
- __GFP_HIGH
-} gfp_t;
-typedef enum {
- IRQ_NONE,
- IRQ_HANDLED
-} irqreturn_t;
-
-static inline void *kmalloc(size_t s, gfp_t gfp)
-{
- return malloc(s);
-}
-
-static inline void kfree(void *p)
-{
- free(p);
-}
-
-#define container_of(ptr, type, member) ({ \
- const typeof( ((type *)0)->member ) *__mptr = (ptr); \
- (type *)( (char *)__mptr - offsetof(type,member) );})
-
-#define uninitialized_var(x) x = x
-
-# ifndef likely
-# define likely(x) (__builtin_expect(!!(x), 1))
-# endif
-# ifndef unlikely
-# define unlikely(x) (__builtin_expect(!!(x), 0))
-# endif
-
-#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
-#ifdef DEBUG
-#define pr_debug(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
-#else
-#define pr_debug(format, ...) do {} while (0)
-#endif
-#define dev_err(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
-#define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
+#include <linux/scatterlist.h>
+#include <linux/kernel.h>
/* TODO: empty stubs for now. Broken but enough for virtio_ring.c */
#define list_add_tail(a, b) do {} while (0)
#define BITS_PER_BYTE 8
#define BITS_PER_LONG (sizeof(long) * BITS_PER_BYTE)
#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
+
/* TODO: Not atomic as it should be:
* we don't use this for anything important. */
static inline void clear_bit(int nr, volatile unsigned long *addr)
{
return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
}
-
-/* The only feature we care to support */
-#define virtio_has_feature(dev, feature) \
- test_bit((feature), (dev)->features)
/* end of stubs */
struct virtio_device {
void *priv;
};
-#define EXPORT_SYMBOL_GPL(__EXPORT_SYMBOL_GPL_name) \
- void __EXPORT_SYMBOL_GPL##__EXPORT_SYMBOL_GPL_name() { \
-}
#define MODULE_LICENSE(__MODULE_LICENSE_value) \
const char *__MODULE_LICENSE_name = __MODULE_LICENSE_value
-#define CONFIG_SMP
-
-#if defined(__i386__) || defined(__x86_64__)
-#define barrier() asm volatile("" ::: "memory")
-#define mb() __sync_synchronize()
-
-#define smp_mb() mb()
-# define smp_rmb() barrier()
-# define smp_wmb() barrier()
-/* Weak barriers should be used. If not - it's a bug */
-# define rmb() abort()
-# define wmb() abort()
-#else
-#error Please fill in barrier macros
-#endif
-
/* Interfaces exported by virtio_ring. */
int virtqueue_add_buf(struct virtqueue *vq,
struct scatterlist sg[],
--- /dev/null
+#define VIRTIO_TRANSPORT_F_START 28
+#define VIRTIO_TRANSPORT_F_END 32
+
+#define virtio_has_feature(dev, feature) \
+ test_bit((feature), (dev)->features)
+
--- /dev/null
+#include "../../../include/linux/virtio_ring.h"
--- /dev/null
+#include "../../../include/linux/vringh.h"
--- /dev/null
+#include <sys/uio.h>
--- /dev/null
+#include "../../../../include/uapi/linux/virtio_config.h"
--- /dev/null
+#ifndef VIRTIO_RING_H
+#define VIRTIO_RING_H
+#include "../../../../include/uapi/linux/virtio_ring.h"
+#endif /* VIRTIO_RING_H */
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
+#include <stdbool.h>
#include <linux/vhost.h>
#include <linux/virtio.h>
#include <linux/virtio_ring.h>
#include "../../drivers/vhost/test.h"
+/* Unused */
+void *__kmalloc_fake, *__kfree_ignore_start, *__kfree_ignore_end;
+
struct vq_info {
int kick;
int call;
projects / ~andy / linux / commitdiff