RE: [PATCH V3 01/16] scsi: support well known logical units

2014-09-23 Thread Subhash Jadavani
stoph Hellwig' Sent: Monday, September 22, 2014 7:29 AM To: Subhash Jadavani Cc: 'Dolev Raviv'; james.bottom...@hansenpartnership.com; linux-scsi@vger.kernel.org; linux-scsi-ow...@vger.kernel.org; linux-arm-...@vger.kernel.org; santos...@gmail.com; 'Sujit Reddy Thumma'; 'Mart

Re: [PATCH V3 01/16] scsi: support well known logical units

2014-09-22 Thread 'Christoph Hellwig'
On Thu, Sep 18, 2014 at 12:12:22PM -0700, Subhash Jadavani wrote: > Hi Chris, > > While testing with another vendor's UFS devices, I realized that SELECT > REPORT need not to be set to 0x02 for making the device report the W-LUs. > Even when SELECT REPORT is set 0x00, this particular UFS device re

RE: [PATCH V3 01/16] scsi: support well known logical units

2014-09-18 Thread Subhash Jadavani
rnel.org; santos...@gmail.com; 'Sujit Reddy Thumma'; 'Martin K. Petersen' Subject: RE: [PATCH V3 01/16] scsi: support well known logical units > If those are the only LUs you specificly need I'd suggest you just manually call scsi_add_device from your driver for those instea

RE: [PATCH V3 01/16] scsi: support well known logical units

2014-09-18 Thread Subhash Jadavani
m...@hansenpartnership.com; linux-scsi@vger.kernel.org; linux-scsi-ow...@vger.kernel.org; linux-arm-...@vger.kernel.org; santos...@gmail.com; 'Sujit Reddy Thumma'; 'Martin K. Petersen' Subject: Re: [PATCH V3 01/16] scsi: support well known logical units On Thu, Sep 11, 2014 at 05:

Re: [PATCH V3 01/16] scsi: support well known logical units

2014-09-13 Thread 'Christoph Hellwig'
On Thu, Sep 11, 2014 at 05:41:18PM -0700, Subhash Jadavani wrote: > > UFS device has supports 4 different well known logical units: "REPORT_LUNS" > (address: 01h), "UFS Device" (address: 50h), "RPMB" (address: 44h) and > "BOOT" (address: 30h). > > UFS device's power management needs to be control

RE: [PATCH V3 01/16] scsi: support well known logical units

2014-09-11 Thread Subhash Jadavani
11:59 AM To: Dolev Raviv Cc: james.bottom...@hansenpartnership.com; h...@infradead.org; linux-scsi@vger.kernel.org; linux-scsi-ow...@vger.kernel.org; linux-arm-...@vger.kernel.org; santos...@gmail.com; Subhash Jadavani; Sujit Reddy Thumma; Martin K. Petersen Subject: Re: [PATCH V3 01/16] scsi: supp

Re: [PATCH V3 01/16] scsi: support well known logical units

2014-09-10 Thread Christoph Hellwig
On Wed, Sep 10, 2014 at 02:54:08PM +0300, Dolev Raviv wrote: > From: Subhash Jadavani > > REPORT LUNS command has "SELECT REPORT" field which controls what type of > logical units to be reported by device server. According to UFS device > standard, if this field is set to 0, REPORT LUNS would rep

[PATCH V3 01/16] scsi: support well known logical units

2014-09-10 Thread Dolev Raviv
From: Subhash Jadavani REPORT LUNS command has "SELECT REPORT" field which controls what type of logical units to be reported by device server. According to UFS device standard, if this field is set to 0, REPORT LUNS would report only report standard logical units. If it's set to 1 then it would