Date: Thu, 14 Jun 2018 12:50:36 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Bruce Evans <brde@optusnet.com.au> Cc: Matthew Macy <mmacy@freebsd.org>, Ryan Libby <rlibby@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org, bde@freebsd.org Subject: Re: svn commit: r335094 - head/sys/ofed/drivers/infiniband/core Message-ID: <4aa93c89-686e-e344-8e04-c34069e8516d@selasky.org> In-Reply-To: <20180614182603.U1417@besplex.bde.org> References: <201806132330.w5DNUsrE043573@repo.freebsd.org> <CAHgpiFwQza_CEeu687s-HwnHPT%2BfcPk80nHkbU3Kn-aUM2AjHQ@mail.gmail.com> <CAPrugNq-dGjOhJ7PW5zniggowENW74P5ttCWH01U=AmXcj4gzA@mail.gmail.com> <c14b6b39-22b3-cdb5-d387-829bad3509f3@selasky.org> <20180614182603.U1417@besplex.bde.org>
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On 06/14/18 10:46, Bruce Evans wrote: > Are these macros for conversion of host (FreeBSD) dev_t's or target (Linux) > ones? If for the host, then I don't see any reason not to use the host > APIs. > If for the target, then they shouldn't be used with the host dev_t. If for > a mixture, then the translations are very confusing, especially when they > are the identity, and many more macros are needed to reduce the confusion. Hi, These values are only used inside the LinuxKPI for creating character devices. They have no exposure to user-space. Basically: Z = MKDEV(X,Y) MAJOR(Z) must be equal to X MINOR(Z) must be equal to Y --HPS
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