Hi Jens, On mar., 2022-08-16 at 10:17 +0200, Jens Wiklander wrote: > Caution: EXT Email > > Hi Olivier, > > On Fri, Aug 12, 2022 at 4:31 PM Olivier Masse <olivier.masse@xxxxxxx> > wrote: > > > > Add a new ioctl called TEE_IOC_SHM_REGISTER_FD to register a > > shared memory from a dmabuf file descriptor. > > This new ioctl will allow the Linux Kernel to register a buffer > > to be used by the Secure Data Path OPTEE OS feature. > > > > Please find more information here: > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstatic.linaro.org%2Fconnect%2Fsan19%2Fpresentations%2Fsan19-107.pdf&data=05%7C01%7Colivier.masse%40nxp.com%7C20ddb873be8f4cd89b5408da7f5fda26%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C1%7C637962346897373445%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=cMbuihC0Hat4DEVORzcGhzwjO%2FxclAW43AIcvR8yReE%3D&reserved=0 > > > > Patch tested on Hikey 6220. > > What's new in this V2? Just updated the cover letter and minor change to fix a build error with gcc-11 for x86 architecture: >> ./usr/include/linux/tee.h:136:13: error: expected declaration specifiers or '...' before numeric constant 136 | } __aligned(8); | ^ Best regards, Olivier > > Thanks, > Jens > > > > > Etienne Carriere (1): > > tee: new ioctl to a register tee_shm from a dmabuf file > > descriptor > > > > drivers/tee/tee_core.c | 38 +++++++++++++++ > > drivers/tee/tee_shm.c | 99 > > +++++++++++++++++++++++++++++++++++++++- > > include/linux/tee_drv.h | 11 +++++ > > include/uapi/linux/tee.h | 29 ++++++++++++ > > 4 files changed, 175 insertions(+), 2 deletions(-) > > > > -- > > 2.25.0 > >
