Hi. If you want to declare some things for user interface, is it be better to put those thing include/uapi/linux/ than include/linux? Agreed with Mr. Pinto's opinion with respect to implementing additional ioctls. Regards. > -----Original Message----- > From: linux-scsi-owner@xxxxxxxxxxxxxxx [mailto:linux-scsi- > owner@xxxxxxxxxxxxxxx] On Behalf Of Shaun Tancheff > Sent: Tuesday, September 27, 2016 4:23 AM > To: Joao Pinto > Cc: linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: UFS API in the kernel > > On Thu, Sep 22, 2016 at 10:21 AM, Joao Pinto <Joao.Pinto@xxxxxxxxxxxx> > wrote: > > Hi! > > > > I am designing an application that has the goal to be an utility for > > Unipro and UFS testing purposes. This application is going to run on > > top of a recent Linux Kernel containing the new UFS stack (including the > new DWC drivers). > > > > I am considering doing the following: > > a) Create a new config item called CONFIG_UFS_CHARDEV which is going > > to create a char device responsible to make some IOCTL available for > > user-space applications > > b) Create a linux/ufs.h header file that contains data structures > > declarations that will be needed in user-space applications > > I am not very familiar with UFS devices, that said you should have an sgX > chardev being created already so you can handle SG_IO requests. > There also appear to be some sysfs entries being created. > > So between sg and sysfs you should be able to handle any user-space out of > band requests without resorting to making a new chardev. > > Adding more sysfs entries, if you need them, should be fine. > > You may find it easier to expand on the existing interfaces than to get > consensus on a new driver and ioctls. > > Hope this helps, > Shaun > > > Could you please advise me about what the correct approach should be > > to make it as standard as possible and usable in the future? > > > > Thank you very much for your help! > > > > regards, > > Joao > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-scsi" > > in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo > > info at > > https://urldefense.proofpoint.com/v2/url?u=http-3A__vger.kernel.org_ma > > jordomo-2Dinfo.html&d=DQICaQ&c=IGDlg0lD0b-nebmJJ0Kp8A&r=Wg5NqlNlVTT7Ug > > l8V50qIHLe856QW0qfG3WVYGOrWzA&m=vJFB6pCywWtdvkgHz9Vc0jQz0xzeyZlr-7eCWY > > u88nM&s=yiQLPFpqmMrbqLZz1Jb3aNqOje2dRMLJHEzUDobwcXc&e= > > > > -- > Shaun Tancheff > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
