The patch adds V4L2_FLAG_MEMORY_NON_CONSISTENT consistency
attr test to VIDIOC_REQBUFS and VIDIOC_CREATE_BUFS ioctl-s,
and V4L2_BUF_FLAG_NO_CACHE_INVALIDATE/V4L2_BUF_FLAG_NO_CACHE_CLEAN
buffer cache management hints test for MMAP queues.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
---
v3: intergated cache-hints test into testReqBufs (Hans)
utils/common/cv4l-helpers.h | 8 +-
utils/common/v4l-helpers.h | 10 +-
utils/common/v4l2-info.cpp | 1 +
utils/v4l2-compliance/v4l2-test-buffers.cpp | 105 +++++++++++++++++---
4 files changed, 102 insertions(+), 22 deletions(-)
diff --git a/utils/common/cv4l-helpers.h b/utils/common/cv4l-helpers.h
index 9505e334..9de0cdf0 100644
--- a/utils/common/cv4l-helpers.h
+++ b/utils/common/cv4l-helpers.h
@@ -753,17 +753,17 @@ public:
int g_fd(unsigned index, unsigned plane) const { return v4l_queue_g_fd(this, index, plane); }
void s_fd(unsigned index, unsigned plane, int fd) { v4l_queue_s_fd(this, index, plane, fd); }
- int reqbufs(cv4l_fd *fd, unsigned count = 0)
+ int reqbufs(cv4l_fd *fd, unsigned count = 0, unsigned int flags = 0)
{
- return v4l_queue_reqbufs(fd->g_v4l_fd(), this, count);
+ return v4l_queue_reqbufs(fd->g_v4l_fd(), this, count, flags);
}
bool has_create_bufs(cv4l_fd *fd) const
{
return v4l_queue_has_create_bufs(fd->g_v4l_fd(), this);
}
- int create_bufs(cv4l_fd *fd, unsigned count, const v4l2_format *fmt = NULL)
+ int create_bufs(cv4l_fd *fd, unsigned count, const v4l2_format *fmt = NULL, unsigned int flags = 0)
{
- return v4l_queue_create_bufs(fd->g_v4l_fd(), this, count, fmt);
+ return v4l_queue_create_bufs(fd->g_v4l_fd(), this, count, fmt, flags);
}
int mmap_bufs(cv4l_fd *fd, unsigned from = 0)
{
diff --git a/utils/common/v4l-helpers.h b/utils/common/v4l-helpers.h
index b794ff88..53f7bec9 100644
--- a/utils/common/v4l-helpers.h
+++ b/utils/common/v4l-helpers.h
@@ -1513,7 +1513,7 @@ static inline int v4l_queue_querybufs(struct v4l_fd *f, struct v4l_queue *q, uns
}
static inline int v4l_queue_reqbufs(struct v4l_fd *f,
- struct v4l_queue *q, unsigned count)
+ struct v4l_queue *q, unsigned count, unsigned int flags = 0)
{
struct v4l2_requestbuffers reqbufs;
int ret;
@@ -1521,7 +1521,7 @@ static inline int v4l_queue_reqbufs(struct v4l_fd *f,
reqbufs.type = q->type;
reqbufs.memory = q->memory;
reqbufs.count = count;
- memset(reqbufs.reserved, 0, sizeof(reqbufs.reserved));
+ reqbufs.flags = flags;
/*
* Problem: if REQBUFS returns an error, did it free any old
* buffers or not?
@@ -1545,7 +1545,8 @@ static inline bool v4l_queue_has_create_bufs(struct v4l_fd *f, const struct v4l_
}
static inline int v4l_queue_create_bufs(struct v4l_fd *f,
- struct v4l_queue *q, unsigned count, const struct v4l2_format *fmt)
+ struct v4l_queue *q, unsigned count,
+ const struct v4l2_format *fmt, unsigned int flags = 0)
{
struct v4l2_create_buffers createbufs;
int ret;
@@ -1553,6 +1554,7 @@ static inline int v4l_queue_create_bufs(struct v4l_fd *f,
createbufs.format.type = q->type;
createbufs.memory = q->memory;
createbufs.count = count;
+ createbufs.flags = flags;
if (fmt) {
createbufs.format = *fmt;
} else {
@@ -1731,7 +1733,7 @@ static inline void v4l_queue_free(struct v4l_fd *f, struct v4l_queue *q)
v4l_ioctl(f, VIDIOC_STREAMOFF, &q->type);
v4l_queue_release_bufs(f, q, 0);
v4l_queue_close_exported_fds(q);
- v4l_queue_reqbufs(f, q, 0);
+ v4l_queue_reqbufs(f, q, 0, 0);
}
static inline void v4l_queue_buffer_update(const struct v4l_queue *q,
diff --git a/utils/common/v4l2-info.cpp b/utils/common/v4l2-info.cpp
index 0aac8504..a69569a6 100644
--- a/utils/common/v4l2-info.cpp
+++ b/utils/common/v4l2-info.cpp
@@ -206,6 +206,7 @@ static const flag_def bufcap_def[] = {
{ V4L2_BUF_CAP_SUPPORTS_REQUESTS, "requests" },
{ V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS, "orphaned-bufs" },
{ V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF, "m2m-hold-capture-buf" },
+ { V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS, "mmap-cache-hints" },
{ 0, NULL }
};
diff --git a/utils/v4l2-compliance/v4l2-test-buffers.cpp b/utils/v4l2-compliance/v4l2-test-buffers.cpp
index fc49fff6..d1224438 100644
--- a/utils/v4l2-compliance/v4l2-test-buffers.cpp
+++ b/utils/v4l2-compliance/v4l2-test-buffers.cpp
@@ -381,8 +381,6 @@ int buffer::check(unsigned type, unsigned memory, unsigned index,
if (g_flags() & V4L2_BUF_FLAG_BFRAME)
frame_types++;
fail_on_test(frame_types > 1);
- fail_on_test(g_flags() & (V4L2_BUF_FLAG_NO_CACHE_INVALIDATE |
- V4L2_BUF_FLAG_NO_CACHE_CLEAN));
if (g_flags() & V4L2_BUF_FLAG_QUEUED)
buf_states++;
if (g_flags() & V4L2_BUF_FLAG_DONE)
@@ -661,6 +659,10 @@ int testReqBufs(struct node *node)
fail_on_test(q.reqbufs(node, 0));
for (m = V4L2_MEMORY_MMAP; m <= V4L2_MEMORY_DMABUF; m++) {
+ bool cache_hints_cap = false;
+ bool consistent;
+
+ cache_hints_cap = q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS;
if (!(node->valid_memorytype & (1 << m)))
continue;
cv4l_queue q2(i, m);
@@ -673,11 +675,52 @@ int testReqBufs(struct node *node)
fail_on_test(q2.reqbufs(node->node2));
}
memset(&reqbufs, 0xff, sizeof(reqbufs));
- reqbufs.count = 0;
+ reqbufs.count = 1;
reqbufs.type = i;
reqbufs.memory = m;
+ reqbufs.flags = V4L2_FLAG_MEMORY_NON_CONSISTENT;
fail_on_test(doioctl(node, VIDIOC_REQBUFS, &reqbufs));
- fail_on_test(check_0(reqbufs.reserved, sizeof(reqbufs.reserved)));
+ consistent = reqbufs.flags & V4L2_FLAG_MEMORY_NON_CONSISTENT;
+ if (!cache_hints_cap) {
+ fail_on_test(consistent);
+ } else {
+ if (m == V4L2_MEMORY_MMAP)
+ fail_on_test(!consistent);
+ else
+ fail_on_test(consistent);
+ }
+ q.reqbufs(node);
+
+ memset(&crbufs, 0xff, sizeof(crbufs));
+ node->g_fmt(crbufs.format, i);
+ crbufs.count = 1;
+ crbufs.memory = m;
+ crbufs.flags = V4L2_FLAG_MEMORY_NON_CONSISTENT;
+ fail_on_test(doioctl(node, VIDIOC_CREATE_BUFS, &crbufs));
+ fail_on_test(check_0(crbufs.reserved, sizeof(crbufs.reserved)));
+ fail_on_test(crbufs.index != q.g_buffers());
+
+ consistent = crbufs.flags & V4L2_FLAG_MEMORY_NON_CONSISTENT;
+ if (!cache_hints_cap) {
+ fail_on_test(consistent);
+ } else {
+ if (m == V4L2_MEMORY_MMAP)
+ fail_on_test(!consistent);
+ else
+ fail_on_test(consistent);
+ }
+
+ if (cache_hints_cap) {
+ /*
+ * Different memory consistency model. Should fail for MMAP
+ * queues which support cache hints.
+ */
+ crbufs.flags = 0;
+ if (m == V4L2_MEMORY_MMAP)
+ fail_on_test(doioctl(node, VIDIOC_CREATE_BUFS, &crbufs) != EINVAL);
+ else
+ fail_on_test(doioctl(node, VIDIOC_CREATE_BUFS, &crbufs));
+ }
q.reqbufs(node);
ret = q.create_bufs(node, 1);
@@ -693,14 +736,7 @@ int testReqBufs(struct node *node)
fail_on_test(testQueryBuf(node, i, q.g_buffers()));
if (!node->is_m2m)
fail_on_test(q2.create_bufs(node->node2, 1) != EBUSY);
-
- memset(&crbufs, 0xff, sizeof(crbufs));
- node->g_fmt(crbufs.format, i);
- crbufs.count = 0;
- crbufs.memory = m;
- fail_on_test(doioctl(node, VIDIOC_CREATE_BUFS, &crbufs));
- fail_on_test(check_0(crbufs.reserved, sizeof(crbufs.reserved)));
- fail_on_test(crbufs.index != q.g_buffers());
+ q.reqbufs(node);
if (node->is_video) {
cv4l_fmt fmt;
@@ -1176,14 +1212,22 @@ static int bufferOutputErrorTest(struct node *node, const buffer &orig_buf)
static int setupMmap(struct node *node, cv4l_queue &q)
{
+ bool cache_hints = q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS;
+
fail_on_test(q.mmap_bufs(node));
for (unsigned i = 0; i < q.g_buffers(); i++) {
buffer buf(q);
+ unsigned int flags;
int ret;
fail_on_test(buf.querybuf(node, i));
fail_on_test(buf.check(q, Unqueued, i));
+ flags = buf.g_flags();
+ flags |= V4L2_BUF_FLAG_NO_CACHE_INVALIDATE;
+ flags |= V4L2_BUF_FLAG_NO_CACHE_CLEAN;
+ buf.s_flags(flags);
+
for (unsigned p = 0; p < buf.g_num_planes(); p++) {
// Try a random offset
fail_on_test(node->mmap(buf.g_length(p),
@@ -1220,6 +1264,14 @@ static int setupMmap(struct node *node, cv4l_queue &q)
buf.s_index(buf.g_index() - VIDEO_MAX_FRAME);
fail_on_test(buf.g_index() != i);
}
+ flags = buf.g_flags();
+ if (cache_hints) {
+ fail_on_test(!(flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE));
+ fail_on_test(!(flags & V4L2_BUF_FLAG_NO_CACHE_CLEAN));
+ } else {
+ fail_on_test(flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE);
+ fail_on_test(flags & V4L2_BUF_FLAG_NO_CACHE_CLEAN);
+ }
fail_on_test(buf.querybuf(node, i));
fail_on_test(buf.check(q, Queued, i));
fail_on_test(!buf.dqbuf(node));
@@ -1240,6 +1292,8 @@ int testMmap(struct node *node, struct node *node_m2m_cap, unsigned frame_count,
buffer_info.clear();
for (type = 0; type <= V4L2_BUF_TYPE_LAST; type++) {
+ cv4l_fmt fmt;
+
if (!(node->valid_buftypes & (1 << type)))
continue;
if (v4l_type_is_overlay(type))
@@ -1297,6 +1351,11 @@ int testMmap(struct node *node, struct node *node_m2m_cap, unsigned frame_count,
fail_on_test(q.reqbufs(node, q.g_buffers()));
fail_on_test(node->g_fmt(cur_fmt, q.g_type()));
+ q.reqbufs(node);
+ q.create_bufs(node, 2, &cur_fmt, V4L2_FLAG_MEMORY_NON_CONSISTENT);
+ fail_on_test(setupMmap(node, q));
+ q.reqbufs(node);
+
ret = q.create_bufs(node, 0);
fail_on_test(ret != ENOTTY && ret != 0);
if (ret == ENOTTY)
@@ -1475,11 +1534,17 @@ static int setupUserPtr(struct node *node, cv4l_queue &q)
{
for (unsigned i = 0; i < q.g_buffers(); i++) {
buffer buf(q);
+ unsigned int flags;
int ret;
fail_on_test(buf.querybuf(node, i));
fail_on_test(buf.check(q, Unqueued, i));
+ flags = buf.g_flags();
+ flags |= V4L2_BUF_FLAG_NO_CACHE_INVALIDATE;
+ flags |= V4L2_BUF_FLAG_NO_CACHE_CLEAN;
+ buf.s_flags(flags);
+
for (unsigned p = 0; p < buf.g_num_planes(); p++) {
// This should not work!
fail_on_test(node->mmap(buf.g_length(p), 0) != MAP_FAILED);
@@ -1537,7 +1602,10 @@ static int setupUserPtr(struct node *node, cv4l_queue &q)
if (v4l_type_is_output(q.g_type()))
fail_on_test(!buf.g_bytesused(p));
}
- fail_on_test(buf.g_flags() & V4L2_BUF_FLAG_DONE);
+ flags = buf.g_flags();
+ fail_on_test(flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE);
+ fail_on_test(flags & V4L2_BUF_FLAG_NO_CACHE_CLEAN);
+ fail_on_test(flags & V4L2_BUF_FLAG_DONE);
fail_on_test(buf.querybuf(node, i));
fail_on_test(buf.check(q, Queued, i));
}
@@ -1732,12 +1800,17 @@ static int setupDmaBuf(struct node *expbuf_node, struct node *node,
fail_on_test(q.mmap_bufs(node));
for (unsigned i = 0; i < q.g_buffers(); i++) {
buffer buf(q);
+ unsigned int flags;
int ret;
buf.init(q, i);
fail_on_test(buf.querybuf(node, i));
for (unsigned p = 0; p < buf.g_num_planes(); p++)
buf.s_fd(q.g_fd(i, p), p);
+ flags = buf.g_flags();
+ flags |= V4L2_BUF_FLAG_NO_CACHE_INVALIDATE;
+ flags |= V4L2_BUF_FLAG_NO_CACHE_CLEAN;
+ buf.s_flags(flags);
ret = buf.prepare_buf(node, q);
if (ret != ENOTTY) {
fail_on_test(ret);
@@ -1757,7 +1830,11 @@ static int setupDmaBuf(struct node *expbuf_node, struct node *node,
if (v4l_type_is_output(q.g_type()))
fail_on_test(!buf.g_bytesused(p));
}
- fail_on_test(buf.g_flags() & V4L2_BUF_FLAG_DONE);
+ flags = buf.g_flags();
+ /* We always skip cache sync/flush for DMABUF memory type */
+ fail_on_test(!(flags & V4L2_BUF_FLAG_NO_CACHE_INVALIDATE));
+ fail_on_test(!(flags & V4L2_BUF_FLAG_NO_CACHE_CLEAN));
+ fail_on_test(flags & V4L2_BUF_FLAG_DONE);
fail_on_test(buf.querybuf(node, i));
fail_on_test(buf.check(q, Queued, i));
}
--
2.27.0
