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xiaoxiang781216 pushed a change to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git
from 2e6e1b0a2ad fs/v9fs: Fail readlink() of a file that is not a symbolic
link.
new 4ee43fbeac1 drivers/dma-buf: add DMA-BUF framework
new 8462252ef3e drivers/dma-buf: add system heap allocator
The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails. The revisions
listed as "add" were already present in the repository and have only
been added to this reference.
Summary of changes:
Documentation/os/drivers/special/dma.rst | 55 +++
drivers/CMakeLists.txt | 4 +
drivers/Kconfig | 1 +
drivers/Makefile | 1 +
drivers/{loop => dma-buf}/CMakeLists.txt | 11 +-
drivers/dma-buf/Kconfig | 23 ++
drivers/{loop => dma-buf}/Make.defs | 24 +-
drivers/dma-buf/dma-buf.c | 645 +++++++++++++++++++++++++++++++
drivers/dma-buf/dma-heap.c | 168 ++++++++
drivers/dma-buf/system_heap.c | 299 ++++++++++++++
drivers/drivers_initialize.c | 5 +
include/nuttx/dma-buf.h | 619 +++++++++++++++++++++++++++++
include/nuttx/{atexit.h => dma-heap.h} | 97 ++---
include/nuttx/fs/ioctl.h | 8 +
14 files changed, 1886 insertions(+), 74 deletions(-)
copy drivers/{loop => dma-buf}/CMakeLists.txt (86%)
create mode 100644 drivers/dma-buf/Kconfig
copy drivers/{loop => dma-buf}/Make.defs (73%)
create mode 100644 drivers/dma-buf/dma-buf.c
create mode 100644 drivers/dma-buf/dma-heap.c
create mode 100644 drivers/dma-buf/system_heap.c
create mode 100644 include/nuttx/dma-buf.h
copy include/nuttx/{atexit.h => dma-heap.h} (54%)
