On 12/02/19 2:29 AM, Avri Altman wrote: > Hello Pedro, > >> >> Hello everyone, >> >> We are planning to build an open source tool for UFS, (let's name it >> "ufsutils"). The idea is to interact with the ufs driver for debug and test >> purposes. For us it would be useful for scenarios like bring up of new >> hardware, >> debug while adding new features, force specific conditions for testing, check >> specific registers from any of the layers (UFS/UniPro/MPhy) at any time... >> >> We would like to check with you what would be the advisable method to >> interact >> with the driver from user-space (sysfs, debugFS, ioctls, etc.). I am aware of >> the ioctl through sg but we may have use cases without a device. >> >> Do you think this would be useful for you? Any suggestions? > Great minds think alike :) > Actually, we already did all that: we introduced a new bsg companion to the ufs driver, > To support the very exactly ufs-utils. It was merged in 4.20. > You can look it up using "scsi: Add ufs bsg endpoint". > We also have a supplementary short series, see https://www.spinics.net/lists/linux-scsi/msg127370.html. > We are about to publish ufs-utils in the coming days. > Good Work, will be really good to have this for UFS community. > Thanks, > Avri >
