Hi Beilei, > -----Original Message----- > From: Xing, Beilei <[email protected]> > Sent: Wednesday, January 6, 2021 1:08 PM > To: Xia, Chenbo <[email protected]>; [email protected]; [email protected]; > [email protected] > Cc: [email protected]; Liang, Cunming <[email protected]>; Lu, > Xiuchun <[email protected]>; Li, Miao <[email protected]>; Wu, Jingjing > <[email protected]> > Subject: RE: [dpdk-dev] [PATCH 9/9] doc: add vfio-user library guide > > > > > -----Original Message----- > > From: dev <[email protected]> On Behalf Of Chenbo Xia > > Sent: Friday, December 18, 2020 3:39 PM > > To: [email protected]; [email protected]; [email protected] > > Cc: [email protected]; Liang, Cunming > > <[email protected]>; Lu, Xiuchun <[email protected]>; Li, Miao > > <[email protected]>; Wu, Jingjing <[email protected]> > > Subject: [dpdk-dev] [PATCH 9/9] doc: add vfio-user library guide > > > > Add vfio-user library guide and update release notes. > > > > Signed-off-by: Chenbo Xia <[email protected]> > > Signed-off-by: Xiuchun Lu <[email protected]> > > --- > > doc/guides/prog_guide/index.rst | 1 + > > doc/guides/prog_guide/vfio_user_lib.rst | 215 ++++++++++++++++++++++++ > > doc/guides/rel_notes/release_21_02.rst | 11 ++ > > 3 files changed, 227 insertions(+) > > create mode 100644 doc/guides/prog_guide/vfio_user_lib.rst > > > > diff --git a/doc/guides/prog_guide/index.rst > > b/doc/guides/prog_guide/index.rst index 45c7dec88d..f9847b1058 100644 > > --- a/doc/guides/prog_guide/index.rst > > +++ b/doc/guides/prog_guide/index.rst > > @@ -70,3 +70,4 @@ Programmer's Guide > > lto > > profile_app > > glossary > > + vfio_user_lib > > diff --git a/doc/guides/prog_guide/vfio_user_lib.rst > > b/doc/guides/prog_guide/vfio_user_lib.rst > > new file mode 100644 > > index 0000000000..6daec4d8e5 > > --- /dev/null > > +++ b/doc/guides/prog_guide/vfio_user_lib.rst > > @@ -0,0 +1,215 @@ > > +.. SPDX-License-Identifier: BSD-3-Clause > > + Copyright(c) 2020 Intel Corporation. > > + > > <snip> > > > + > > +3. Configure the device > > + > > +This step includes three APIs in Vfio User. > > + > > +* ``rte_vfio_user_dma_map(dev_id, mem, fds, num)`` > > + > > + This function maps DMA memory regions for the emulated device. > > + > > + ``mem`` specifies the information of DMA memory regions. > > + > > + ``fds`` specifies the file descriptors of the DMA memory regions. > > + > > + ``num`` specifies the number of the DMA memory regions. > > + > > +* ``rte_vfio_user_dma_map(dev_id, mem, num)`` > > Should be rte_vfio_user_dma_unmap here.
Oops.. yes, you are correct! Will fix it then. Thanks! Chenbo > > > + > > + This function unmaps DMA memory regions for the emulated device. > > + > > +* ``rte_vfio_user_set_irqs(dev_id, set)`` > > + > > + This function configure the interrupts for the emulated device. > > + > > + ``set`` specifies the configuration of interrupts. > > + > > +After the above three steps are done, users can easily use the emulated > > +device (e.g., do I/O operations). > > \ No newline at end of file > > <snip> > > > -- > > 2.17.1
