type stringclasses 5
values | content stringlengths 9 163k |
|---|---|
includes | #include <linux/kernel.h> |
includes | #include <linux/module.h> |
includes | #include <linux/mm.h> |
includes | #include <linux/poll.h> |
includes | #include <linux/slab.h> |
includes | #include <linux/sched.h> |
includes |
#include <media/v4l2-dev.h> |
includes | #include <media/v4l2-fh.h> |
includes | #include <media/v4l2-event.h> |
includes | #include <media/videobuf2-core.h> |
defines |
#define dprintk(level, fmt, arg...) \ |
defines |
#define call_memop(q, op, args...) \ |
defines |
#define call_qop(q, op, args...) \ |
defines |
#define V4L2_BUFFER_MASK_FLAGS (V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_QUEUED | \ |
structs | struct vb2_fileio_buf {
void *vaddr;
unsigned int size;
unsigned int pos;
unsigned int queued:1;
}; |
structs | struct vb2_fileio_data {
struct v4l2_requestbuffers req;
struct v4l2_buffer b;
struct vb2_fileio_buf bufs[VIDEO_MAX_FRAME];
unsigned int index;
unsigned int q_count;
unsigned int dq_count;
unsigned int flags;
}; |
functions | int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
void *mem_priv;
int write = !V4L2_TYPE_IS_OUTPUT(q->type);
int plane;
/*
* Allocate memory for all planes in this buffer
* NOTE: mmapped areas should be page aligned
*/
for (plane = 0; plane < vb->num_planes; ++plane) {
... |
functions | void __vb2_buf_mem_free(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned int plane;
for (plane = 0; plane < vb->num_planes; ++plane) {
call_memop(q, put, vb->planes[plane].mem_priv);
vb->planes[plane].mem_priv = NULL;
dprintk(3, "Freed plane %d of buffer %d\n", plane,
vb->v4l2_buf.ind... |
functions | void __vb2_buf_userptr_put(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned int plane;
for (plane = 0; plane < vb->num_planes; ++plane) {
if (vb->planes[plane].mem_priv)
call_memop(q, put_userptr, vb->planes[plane].mem_priv);
vb->planes[plane].mem_priv = NULL;
} |
functions | void __vb2_plane_dmabuf_put(struct vb2_queue *q, struct vb2_plane *p)
{
if (!p->mem_priv)
return;
if (p->dbuf_mapped)
call_memop(q, unmap_dmabuf, p->mem_priv);
call_memop(q, detach_dmabuf, p->mem_priv);
dma_buf_put(p->dbuf);
memset(p, 0, sizeof(*p));
} |
functions | void __vb2_buf_dmabuf_put(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned int plane;
for (plane = 0; plane < vb->num_planes; ++plane)
__vb2_plane_dmabuf_put(q, &vb->planes[plane]);
} |
functions | void __setup_offsets(struct vb2_queue *q, unsigned int n)
{
unsigned int buffer, plane;
struct vb2_buffer *vb;
unsigned long off;
if (q->num_buffers) {
struct v4l2_plane *p;
vb = q->bufs[q->num_buffers - 1];
p = &vb->v4l2_planes[vb->num_planes - 1];
off = PAGE_ALIGN(p->m.mem_offset + p->length);
} |
functions | int __vb2_queue_alloc(struct vb2_queue *q, enum v4l2_memory memory,
unsigned int num_buffers, unsigned int num_planes)
{
unsigned int buffer;
struct vb2_buffer *vb;
int ret;
q->timeline_max = 0;
q->timeline = sw_sync_timeline_create(q->name);
if (!q->timeline) {
dprintk(1, "Failed to create timeline\n"... |
functions | void __vb2_free_mem(struct vb2_queue *q, unsigned int buffers)
{
unsigned int buffer;
struct vb2_buffer *vb;
for (buffer = q->num_buffers - buffers; buffer < q->num_buffers;
++buffer) {
vb = q->bufs[buffer];
if (!vb)
continue;
/* Free MMAP buffers or release USERPTR buffers */
if (q->memory == V4L... |
functions | void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers)
{
unsigned int buffer;
/* Call driver-provided cleanup function for each buffer, if provided */
if (q->ops->buf_cleanup) {
for (buffer = q->num_buffers - buffers; buffer < q->num_buffers;
++buffer) {
if (NULL == q->bufs[buffer])
contin... |
functions | int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer *b)
{
if (!V4L2_TYPE_IS_MULTIPLANAR(b->type))
return 0;
/* Is memory for copying plane information present? */
if (NULL == b->m.planes) {
dprintk(1, "Multi-planar buffer passed but "
"planes array not provided\n");
return -EINVAL;... |
functions | bool __buffer_in_use(struct vb2_queue *q, struct vb2_buffer *vb)
{
unsigned int plane;
for (plane = 0; plane < vb->num_planes; ++plane) {
void *mem_priv = vb->planes[plane].mem_priv;
/*
* If num_users() has not been provided, call_memop
* will return 0, apparently nobody cares about this
* case anyway. I... |
functions | bool __buffers_in_use(struct vb2_queue *q)
{
unsigned int buffer;
for (buffer = 0; buffer < q->num_buffers; ++buffer) {
if (__buffer_in_use(q, q->bufs[buffer]))
return true;
} |
functions | void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b)
{
struct vb2_queue *q = vb->vb2_queue;
/* Copy back data such as timestamp, flags, etc. */
memcpy(b, &vb->v4l2_buf, offsetof(struct v4l2_buffer, m));
b->reserved2 = vb->v4l2_buf.reserved2;
b->reserved = vb->v4l2_buf.reserved;
if (V4L2_TYPE_IS... |
functions | int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b)
{
struct vb2_buffer *vb;
int ret;
if (b->type != q->type) {
dprintk(1, "querybuf: wrong buffer type\n");
return -EINVAL;
} |
functions | int __verify_userptr_ops(struct vb2_queue *q)
{
if (!(q->io_modes & VB2_USERPTR) || !q->mem_ops->get_userptr ||
!q->mem_ops->put_userptr)
return -EINVAL;
return 0;
} |
functions | int __verify_mmap_ops(struct vb2_queue *q)
{
if (!(q->io_modes & VB2_MMAP) || !q->mem_ops->alloc ||
!q->mem_ops->put || !q->mem_ops->mmap)
return -EINVAL;
return 0;
} |
functions | int __verify_dmabuf_ops(struct vb2_queue *q)
{
if (!(q->io_modes & VB2_DMABUF) || !q->mem_ops->attach_dmabuf ||
!q->mem_ops->detach_dmabuf || !q->mem_ops->map_dmabuf ||
!q->mem_ops->unmap_dmabuf)
return -EINVAL;
return 0;
} |
functions | int __verify_memory_type(struct vb2_queue *q,
enum v4l2_memory memory, enum v4l2_buf_type type)
{
if (memory != V4L2_MEMORY_MMAP && memory != V4L2_MEMORY_USERPTR &&
memory != V4L2_MEMORY_DMABUF) {
dprintk(1, "reqbufs: unsupported memory type\n");
return -EINVAL;
} |
functions | int __reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req)
{
unsigned int num_buffers, allocated_buffers, num_planes = 0;
int ret;
if (q->streaming) {
dprintk(1, "reqbufs: streaming active\n");
return -EBUSY;
} |
functions | int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req)
{
int ret = __verify_memory_type(q, req->memory, req->type);
return ret ? ret : __reqbufs(q, req);
} |
functions | int __create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create)
{
unsigned int num_planes = 0, num_buffers, allocated_buffers;
int ret;
if (q->num_buffers == VIDEO_MAX_FRAME) {
dprintk(1, "%s(): maximum number of buffers already allocated\n",
__func__);
return -ENOBUFS;
} |
functions | int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create)
{
int ret = __verify_memory_type(q, create->memory, create->format.type);
create->index = q->num_buffers;
if (create->count == 0)
return ret != -EBUSY ? ret : 0;
return ret ? ret : __create_bufs(q, create);
} |
functions | void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned long flags;
unsigned int plane;
if (vb->state != VB2_BUF_STATE_ACTIVE)
return;
if (state != VB2_BUF_STATE_DONE && state != VB2_BUF_STATE_ERROR)
return;
dprintk(4, "Done processing on buf... |
functions | int __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b,
struct v4l2_plane *v4l2_planes)
{
unsigned int plane;
int fence_fd = (int)b->reserved;
if (V4L2_TYPE_IS_MULTIPLANAR(b->type)) {
/* Fill in driver-provided information for OUTPUT types */
if (V4L2_TYPE_IS_OUTPUT(b->type)) {
/*
*... |
functions | int __qbuf_userptr(struct vb2_buffer *vb, const struct v4l2_buffer *b)
{
struct v4l2_plane planes[VIDEO_MAX_PLANES];
struct vb2_queue *q = vb->vb2_queue;
void *mem_priv;
unsigned int plane;
int ret;
int write = !V4L2_TYPE_IS_OUTPUT(q->type);
/* Copy relevant information provided by the userspace */
ret = __fil... |
functions | int __qbuf_mmap(struct vb2_buffer *vb, const struct v4l2_buffer *b)
{
return __fill_vb2_buffer(vb, b, vb->v4l2_planes);
} |
functions | int __qbuf_dmabuf(struct vb2_buffer *vb, const struct v4l2_buffer *b)
{
struct v4l2_plane planes[VIDEO_MAX_PLANES];
struct vb2_queue *q = vb->vb2_queue;
void *mem_priv;
unsigned int plane;
int ret;
int write = !V4L2_TYPE_IS_OUTPUT(q->type);
/* Verify and copy relevant information provided by the userspace */
r... |
functions | void __enqueue_in_driver(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned int plane;
vb->state = VB2_BUF_STATE_ACTIVE;
atomic_inc(&q->queued_count);
/* sync buffers */
for (plane = 0; plane < vb->num_planes; ++plane)
call_memop(q, prepare, vb->planes[plane].mem_priv);
q->ops->buf_queue... |
functions | int __buf_prepare(struct vb2_buffer *vb, const struct v4l2_buffer *b)
{
struct vb2_queue *q = vb->vb2_queue;
int ret;
switch (q->memory) {
case V4L2_MEMORY_MMAP:
ret = __qbuf_mmap(vb, b);
break;
case V4L2_MEMORY_USERPTR:
ret = __qbuf_userptr(vb, b);
break;
case V4L2_MEMORY_DMABUF:
ret = __qbuf_dmabuf(v... |
functions | int vb2_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b)
{
struct vb2_buffer *vb;
int ret;
if (q->fileio) {
dprintk(1, "%s(): file io in progress\n", __func__);
return -EBUSY;
} |
functions | int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)
{
struct rw_semaphore *mmap_sem = NULL;
struct vb2_buffer *vb;
int ret = 0;
/*
* In case of user pointer buffers vb2 allocator needs to get direct
* access to userspace pages. This requires getting read access on
* mmap semaphore in the current process... |
functions | int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
{
/*
* All operations on vb_done_list are performed under done_lock
* spinlock protection. However, buffers may be removed from
* it and returned to userspace only while holding both driver's
* lock and the done_lock spinlock. Thus we can be sure... |
functions | int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
struct v4l2_buffer *b, int nonblocking)
{
unsigned long flags;
int ret;
/*
* Wait for at least one buffer to become available on the done_list.
*/
ret = __vb2_wait_for_done_vb(q, nonblocking);
if (ret)
return ret;
/*
* Driver's lock ... |
functions | int vb2_wait_for_all_buffers(struct vb2_queue *q)
{
if (!q->streaming) {
dprintk(1, "Streaming off, will not wait for buffers\n");
return -EINVAL;
} |
functions | void __vb2_dqbuf(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned int i;
/* nothing to do if the buffer is already dequeued */
if (vb->state == VB2_BUF_STATE_DEQUEUED)
return;
vb->state = VB2_BUF_STATE_DEQUEUED;
/* unmap DMABUF buffer */
if (q->memory == V4L2_MEMORY_DMABUF)
for (i = ... |
functions | int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking)
{
struct vb2_buffer *vb = NULL;
int ret;
if (q->fileio) {
dprintk(1, "dqbuf: file io in progress\n");
return -EBUSY;
} |
functions | void __vb2_queue_cancel(struct vb2_queue *q)
{
struct vb2_buffer *vb;
unsigned int i;
/*
* Tell driver to stop all transactions and release all queued
* buffers.
*/
if (q->streaming)
call_qop(q, stop_streaming, q);
q->streaming = 0;
/*
* Remove all buffers from videobuf's list...
*/
list_for_each_e... |
functions | int vb2_streamon(struct vb2_queue *q, enum v4l2_buf_type type)
{
struct vb2_buffer *vb;
int ret;
if (q->fileio) {
dprintk(1, "streamon: file io in progress\n");
return -EBUSY;
} |
functions | int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type)
{
if (q->fileio) {
dprintk(1, "streamoff: file io in progress\n");
return -EBUSY;
} |
functions | int __find_plane_by_offset(struct vb2_queue *q, unsigned long off,
unsigned int *_buffer, unsigned int *_plane)
{
struct vb2_buffer *vb;
unsigned int buffer, plane;
/*
* Go over all buffers and their planes, comparing the given offset
* with an offset assigned to each plane. If a match is found,
* return i... |
functions | int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb)
{
struct vb2_buffer *vb = NULL;
struct vb2_plane *vb_plane;
int ret;
struct dma_buf *dbuf;
if (q->memory != V4L2_MEMORY_MMAP) {
dprintk(1, "Queue is not currently set up for mmap\n");
return -EINVAL;
} |
functions | int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma)
{
unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
struct vb2_buffer *vb;
unsigned int buffer, plane;
int ret;
unsigned long length;
if (q->memory != V4L2_MEMORY_MMAP) {
dprintk(1, "Queue is not currently set up for mmap\n");
return -EINVAL;
} |
functions | long vb2_get_unmapped_area(struct vb2_queue *q,
unsigned long addr,
unsigned long len,
unsigned long pgoff,
unsigned long flags)
{
unsigned long off = pgoff << PAGE_SHIFT;
struct vb2_buffer *vb;
unsigned int buffer, plane;
int ret;
if (q->memory != V4L2_MEMORY_MMAP) {
dprintk(1, ... |
functions | int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait)
{
struct video_device *vfd = video_devdata(file);
unsigned long req_events = poll_requested_events(wait);
struct vb2_buffer *vb = NULL;
unsigned int res = 0;
unsigned long flags;
if (test_bit(V4L2_FL_USES_V4L2_FH, &vfd->flags)) {
struct v4l... |
functions | int vb2_queue_init(struct vb2_queue *q)
{
/*
* Sanity check
*/
if (WARN_ON(!q) ||
WARN_ON(!q->ops) ||
WARN_ON(!q->mem_ops) ||
WARN_ON(!q->type) ||
WARN_ON(!q->io_modes) ||
WARN_ON(!q->ops->queue_setup) ||
WARN_ON(!q->ops->buf_queue) ||
WARN_ON(q->timestamp_type &... |
functions | void vb2_queue_release(struct vb2_queue *q)
{
__vb2_cleanup_fileio(q);
__vb2_queue_cancel(q);
__vb2_queue_free(q, q->num_buffers);
} |
functions | int __vb2_init_fileio(struct vb2_queue *q, int read)
{
struct vb2_fileio_data *fileio;
int i, ret;
unsigned int count = 0;
/*
* Sanity check
*/
if ((read && !(q->io_modes & VB2_READ)) ||
(!read && !(q->io_modes & VB2_WRITE)))
BUG();
/*
* Check if device supports mapping buffers to kernel virtual spa... |
functions | int __vb2_cleanup_fileio(struct vb2_queue *q)
{
struct vb2_fileio_data *fileio = q->fileio;
if (fileio) {
/*
* Hack fileio context to enable direct calls to vb2 ioctl
* interface.
*/
q->fileio = NULL;
vb2_streamoff(q, q->type);
fileio->req.count = 0;
vb2_reqbufs(q, &fileio->req);
kfree(fileio);... |
functions | size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_t count,
loff_t *ppos, int nonblock, int read)
{
struct vb2_fileio_data *fileio;
struct vb2_fileio_buf *buf;
int ret, index;
dprintk(3, "file io: mode %s, offset %ld, count %zd, %sblocking\n",
read ? "read" : "write", (long)*ppos, count,
... |
functions | size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count,
loff_t *ppos, int nonblocking)
{
return __vb2_perform_fileio(q, data, count, ppos, nonblocking, 1);
} |
functions | size_t vb2_write(struct vb2_queue *q, char __user *data, size_t count,
loff_t *ppos, int nonblocking)
{
return __vb2_perform_fileio(q, data, count, ppos, nonblocking, 0);
} |
functions | bool vb2_queue_is_busy(struct video_device *vdev, struct file *file)
{
return vdev->queue->owner && vdev->queue->owner != file->private_data;
} |
functions | int vb2_ioctl_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
struct video_device *vdev = video_devdata(file);
int res = __verify_memory_type(vdev->queue, p->memory, p->type);
if (res)
return res;
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
res = __reqbufs(vdev->queue, p);
... |
functions | int vb2_ioctl_create_bufs(struct file *file, void *priv,
struct v4l2_create_buffers *p)
{
struct video_device *vdev = video_devdata(file);
int res = __verify_memory_type(vdev->queue, p->memory, p->format.type);
p->index = vdev->queue->num_buffers;
/* If count == 0, then just check if memory and type are valid... |
functions | int vb2_ioctl_prepare_buf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct video_device *vdev = video_devdata(file);
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
return vb2_prepare_buf(vdev->queue, p);
} |
functions | int vb2_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct video_device *vdev = video_devdata(file);
/* No need to call vb2_queue_is_busy(), anyone can query buffers. */
return vb2_querybuf(vdev->queue, p);
} |
functions | int vb2_ioctl_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct video_device *vdev = video_devdata(file);
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
return vb2_qbuf(vdev->queue, p);
} |
functions | int vb2_ioctl_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct video_device *vdev = video_devdata(file);
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK);
} |
functions | int vb2_ioctl_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct video_device *vdev = video_devdata(file);
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
return vb2_streamon(vdev->queue, i);
} |
functions | int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct video_device *vdev = video_devdata(file);
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
return vb2_streamoff(vdev->queue, i);
} |
functions | int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p)
{
struct video_device *vdev = video_devdata(file);
if (vb2_queue_is_busy(vdev, file))
return -EBUSY;
return vb2_expbuf(vdev->queue, p);
} |
functions | int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma)
{
struct video_device *vdev = video_devdata(file);
return vb2_mmap(vdev->queue, vma);
} |
functions | int vb2_fop_release(struct file *file)
{
struct video_device *vdev = video_devdata(file);
if (file->private_data == vdev->queue->owner) {
vb2_queue_release(vdev->queue);
vdev->queue->owner = NULL;
} |
functions | ssize_t vb2_fop_write(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct video_device *vdev = video_devdata(file);
struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;
int err = -EBUSY;
if (lock && mutex_lock_interruptible(lock))
return -ERESTARTSYS;
if (vb2_queue_is... |
functions | ssize_t vb2_fop_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct video_device *vdev = video_devdata(file);
struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;
int err = -EBUSY;
if (lock && mutex_lock_interruptible(lock))
return -ERESTARTSYS;
if (vb2_queue_is_... |
functions | int vb2_fop_poll(struct file *file, poll_table *wait)
{
struct video_device *vdev = video_devdata(file);
struct vb2_queue *q = vdev->queue;
struct mutex *lock = q->lock ? q->lock : vdev->lock;
unsigned long req_events = poll_requested_events(wait);
unsigned res;
void *fileio;
bool must_lock = false;
/* Try to ... |
functions | long vb2_fop_get_unmapped_area(struct file *file, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct video_device *vdev = video_devdata(file);
return vb2_get_unmapped_area(vdev->queue, addr, len, pgoff, flags);
} |
functions | void vb2_ops_wait_prepare(struct vb2_queue *vq)
{
mutex_unlock(vq->lock);
} |
functions | void vb2_ops_wait_finish(struct vb2_queue *vq)
{
mutex_lock(vq->lock);
} |
includes | #include <linux/irq.h> |
includes | #include <linux/slab.h> |
includes | #include <linux/export.h> |
includes | #include <linux/interrupt.h> |
includes | #include <linux/kernel_stat.h> |
includes | #include <linux/radix-tree.h> |
includes | #include <linux/bitmap.h> |
includes | #include <linux/irqdomain.h> |
includes | #include <linux/sysfs.h> |
defines |
#define IRQ_ATTR_RO(_name) \ |
functions | __init irq_affinity_setup(char *str)
{
alloc_bootmem_cpumask_var(&irq_default_affinity);
cpulist_parse(str, irq_default_affinity);
/*
* Set at least the boot cpu. We don't want to end up with
* bugreports caused by random comandline masks
*/
cpumask_set_cpu(smp_processor_id(), irq_default_affinity);
return 1... |
functions | __init init_irq_default_affinity(void)
{
if (!cpumask_available(irq_default_affinity))
zalloc_cpumask_var(&irq_default_affinity, GFP_NOWAIT);
if (cpumask_empty(irq_default_affinity))
cpumask_setall(irq_default_affinity);
} |
functions | __init init_irq_default_affinity(void)
{
} |
functions | int alloc_masks(struct irq_desc *desc, int node)
{
if (!zalloc_cpumask_var_node(&desc->irq_common_data.affinity,
GFP_KERNEL, node))
return -ENOMEM;
#ifdef CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK
if (!zalloc_cpumask_var_node(&desc->irq_common_data.effective_affinity,
GFP_KERNEL, node)) {
free_cpum... |
functions | void desc_smp_init(struct irq_desc *desc, int node,
const struct cpumask *affinity)
{
if (!affinity)
affinity = irq_default_affinity;
cpumask_copy(desc->irq_common_data.affinity, affinity);
#ifdef CONFIG_GENERIC_PENDING_IRQ
cpumask_clear(desc->pending_mask);
#endif
#ifdef CONFIG_NUMA
desc->irq_common_data.n... |
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