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Message-ID: <CY1PR0301MB0748860D518F248E97187BA787220@CY1PR0301MB0748.namprd03.prod.outlook.com> Date: Tue, 27 Oct 2015 02:11:27 +0000 From: Stuart Yoder <stuart.yoder@...escale.com> To: Lijun Pan <Lijun.Pan@...escale.com>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, "arnd@...db.de" <arnd@...db.de>, "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> CC: Katz Itai <itai.katz@...escale.com>, Jose Rivera <German.Rivera@...escale.com>, Li Leo <LeoLi@...escale.com>, Scott Wood <scottwood@...escale.com>, "agraf@...e.de" <agraf@...e.de>, Hamciuc Bogdan <bhamciu1@...escale.com>, Marginean Alexandru <R89243@...escale.com>, "Sharma Bhupesh" <bhupesh.sharma@...escale.com>, Erez Nir <nir.erez@...escale.com>, Richard Schmitt <richard.schmitt@...escale.com>, "dan.carpenter@...cle.com" <dan.carpenter@...cle.com>, Lijun Pan <Lijun.Pan@...escale.com> Subject: RE: [PATCH 5/5] staging: fsl-mc: Management Complex restool driver > -----Original Message----- > From: Lijun Pan [mailto:Lijun.Pan@...escale.com] > Sent: Sunday, October 25, 2015 5:41 PM > To: gregkh@...uxfoundation.org; arnd@...db.de; devel@...verdev.osuosl.org; linux-kernel@...r.kernel.org > Cc: Yoder Stuart-B08248; katz Itai-RM05202; Rivera Jose-B46482; Li Yang-Leo-R58472; Wood Scott-B07421; > agraf@...e.de; Hamciuc Bogdan-BHAMCIU1; Marginean Alexandru-R89243; Sharma Bhupesh-B45370; Erez Nir-RM30794; > Schmitt Richard-B43082; dan.carpenter@...cle.com; Pan Lijun-B44306 > Subject: [PATCH 5/5] staging: fsl-mc: Management Complex restool driver > > The kernel support for the restool (a user space resource management > tool) is a driver for the /dev/dprc.N device file. > Its purpose is to provide an ioctl interface, > which the restool uses to interact with the MC bus driver Name of the user space tool should be updated to be current: s/restool/ls-restool/ > and with the MC firmware. > We allocate a dpmcp at driver initialization, > and keep that dpmcp until driver exit. > We use that dpmcp by default. > If that dpmcp is in use, we create another portal at run time > and destroy the newly created portal after use. > The ioctl RESTOOL_SEND_MC_COMMAND sends user space command to fsl-mc > bus and utilizes the fsl-mc bus to communicate with MC firmware. > The ioctl RESTOOL_DPRC_SYNC request the mc-bus launch > objects scan under root dprc. > In order to support multiple root dprc, we utilize the bus notify > mechanism to scan fsl_mc_bus_type for the newly added root dprc. > After discovering the root dprc, it creates a miscdevice > /dev/dprc.N to associate with this root dprc. > > Signed-off-by: Lijun Pan <Lijun.Pan@...escale.com> > --- > drivers/staging/fsl-mc/bus/Kconfig | 7 +- > drivers/staging/fsl-mc/bus/Makefile | 3 + > drivers/staging/fsl-mc/bus/mc-ioctl.h | 24 ++ > drivers/staging/fsl-mc/bus/mc-restool.c | 488 ++++++++++++++++++++++++++++++++ > 4 files changed, 521 insertions(+), 1 deletion(-) > create mode 100644 drivers/staging/fsl-mc/bus/mc-ioctl.h > create mode 100644 drivers/staging/fsl-mc/bus/mc-restool.c > > diff --git a/drivers/staging/fsl-mc/bus/Kconfig b/drivers/staging/fsl-mc/bus/Kconfig > index 0d779d9..39c6ef9 100644 > --- a/drivers/staging/fsl-mc/bus/Kconfig > +++ b/drivers/staging/fsl-mc/bus/Kconfig > @@ -21,4 +21,9 @@ config FSL_MC_BUS > Only enable this option when building the kernel for > Freescale QorQIQ LS2xxxx SoCs. > > - > +config FSL_MC_RESTOOL > + tristate "Freescale Management Complex (MC) restool driver" s/restool/ls-restool/ Thanks, Stuart -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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