Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/tools/virtio/linux/compiler.h b/tools/virtio/linux/compiler.h
index 903dc9c..2c51bcc 100644
--- a/tools/virtio/linux/compiler.h
+++ b/tools/virtio/linux/compiler.h
@@ -7,4 +7,5 @@
#define READ_ONCE(var) (*((volatile typeof(var) *)(&(var))))
+#define __aligned(x) __attribute((__aligned__(x)))
#endif
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index 6683b4a..315e85c 100644
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -11,6 +11,7 @@
#include <linux/compiler.h>
#include <linux/types.h>
+#include <linux/list.h>
#include <linux/printk.h>
#include <linux/bug.h>
#include <errno.h>
@@ -109,8 +110,6 @@
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
@@ -135,10 +134,4 @@
(void) (&_min1 == &_min2); \
_min1 < _min2 ? _min1 : _min2; })
-/* TODO: empty stubs for now. Broken but enough for virtio_ring.c */
-#define list_add_tail(a, b) do {} while (0)
-#define list_del(a) do {} while (0)
-#define list_for_each_entry(a, b, c) while (0)
-/* end of stubs */
-
#endif /* KERNEL_H */
diff --git a/tools/virtio/linux/spinlock.h b/tools/virtio/linux/spinlock.h
new file mode 100644
index 0000000..028e3cd
--- /dev/null
+++ b/tools/virtio/linux/spinlock.h
@@ -0,0 +1,56 @@
+#ifndef SPINLOCK_H_STUB
+#define SPINLOCK_H_STUB
+
+#include <pthread.h>
+
+typedef pthread_spinlock_t spinlock_t;
+
+static inline void spin_lock_init(spinlock_t *lock)
+{
+ int r = pthread_spin_init(lock, 0);
+ assert(!r);
+}
+
+static inline void spin_lock(spinlock_t *lock)
+{
+ int ret = pthread_spin_lock(lock);
+ assert(!ret);
+}
+
+static inline void spin_unlock(spinlock_t *lock)
+{
+ int ret = pthread_spin_unlock(lock);
+ assert(!ret);
+}
+
+static inline void spin_lock_bh(spinlock_t *lock)
+{
+ spin_lock(lock);
+}
+
+static inline void spin_unlock_bh(spinlock_t *lock)
+{
+ spin_unlock(lock);
+}
+
+static inline void spin_lock_irq(spinlock_t *lock)
+{
+ spin_lock(lock);
+}
+
+static inline void spin_unlock_irq(spinlock_t *lock)
+{
+ spin_unlock(lock);
+}
+
+static inline void spin_lock_irqsave(spinlock_t *lock, unsigned long f)
+{
+ spin_lock(lock);
+}
+
+static inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long f)
+{
+ spin_unlock(lock);
+}
+
+#endif
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index b751350..363b982 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -3,6 +3,7 @@
#define LINUX_VIRTIO_H
#include <linux/scatterlist.h>
#include <linux/kernel.h>
+#include <linux/spinlock.h>
struct device {
void *parent;
@@ -11,12 +12,12 @@
struct virtio_device {
struct device dev;
u64 features;
+ struct list_head vqs;
+ spinlock_t vqs_list_lock;
};
struct virtqueue {
- /* TODO: commented as list macros are empty stubs for now.
- * Broken but enough for virtio_ring.c
- * struct list_head list; */
+ struct list_head list;
void (*callback)(struct virtqueue *vq);
const char *name;
struct virtio_device *vdev;
diff --git a/tools/virtio/linux/virtio_config.h b/tools/virtio/linux/virtio_config.h
index dbf14c1..f2640e5 100644
--- a/tools/virtio/linux/virtio_config.h
+++ b/tools/virtio/linux/virtio_config.h
@@ -42,16 +42,16 @@
(__virtio_test_bit((dev), feature))
/**
- * virtio_has_iommu_quirk - determine whether this device has the iommu quirk
+ * virtio_has_dma_quirk - determine whether this device has the DMA quirk
* @vdev: the device
*/
-static inline bool virtio_has_iommu_quirk(const struct virtio_device *vdev)
+static inline bool virtio_has_dma_quirk(const struct virtio_device *vdev)
{
/*
* Note the reverse polarity of the quirk feature (compared to most
* other features), this is for compatibility with legacy systems.
*/
- return !virtio_has_feature(vdev, VIRTIO_F_IOMMU_PLATFORM);
+ return !virtio_has_feature(vdev, VIRTIO_F_ACCESS_PLATFORM);
}
static inline bool virtio_is_little_endian(struct virtio_device *vdev)