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2018-03-15EDAC, skx_edac: Detect non-volatile DIMMsTony Luck1-6/+61
This just covers the topology function of the EDAC driver. We locate which DIMM slots are populated with NVDIMMs and query the NFIT and SMBIOS tables to get the size. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com> Cc: Aristeu Rozanski <aris@redhat.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: linux-acpi@vger.kernel.org Cc: linux-edac <linux-edac@vger.kernel.org> Cc: linux-nvdimm@lists.01.org Link: http://lkml.kernel.org/r/20180312182430.10335-6-tony.luck@intel.com Signed-off-by: Borislav Petkov <bp@suse.de>
2017-09-28EDAC, skx_edac: Handle systems with segmented PCI bussesTony Luck1-3/+5
Large systems separate their PCI busses into segments since the limit of only 256 PCI busses can be too restrictive. Extend this driver to check whether <segment, bus-number> matches when deciding how to group memory controller PCI devices to CPU sockets. Signed-off-by: Tony Luck <tony.luck@intel.com> Cc: Aristeu Rozanski <arozansk@redhat.com> Cc: Charles Rose <charles.rose@dell.com> Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/f58abfd10bf73c8bc5adc1fe4de7408128b00625.1506358467.git.tony.luck@intel.com [ Make skx_dev.seg an int. ] Signed-off-by: Borislav Petkov <bp@suse.de>
2017-09-27EDAC, skx_edac: Fix detection of single-rank DIMMsCharles Rose1-2/+2
Single-rank DIMMs did not get detected on Skylake/Kabylake systems due to wrong limit check. The single rank DIMM check is a simple typo. "0" is a legal value in this field meaning single rank. Signed-off-by: Charles Rose <charles.rose@dell.com> Cc: Aristeu Rozanski <arozansk@redhat.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/66df72d327c265fbf92fe25df96daa228a35f076.1506358467.git.tony.luck@intel.com [ Also fix debug message to print number of ranks. ] Signed-off-by: Tony Luck <tony.luck@intel.com> [ Expand commit message. ] Signed-off-by: Borislav Petkov <bp@suse.de>
2017-09-25EDAC: Add owner check to the x86 platform driversToshi Kani1-1/+8
Change x86 EDAC platform drivers to verify the module owner at the beginning of their module init functions. This allows them to fail their init immediately when ghes_edac is enabled. Similar change can be made to other edac drivers if necessary. Also, remove ".c" from module names of pnp2_edac, sb_edac, and skx_edac. Signed-off-by: Toshi Kani <toshi.kani@hpe.com> Suggested-by: Borislav Petkov <bp@alien8.de> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/20170823225447.15608-6-toshi.kani@hpe.com Signed-off-by: Borislav Petkov <bp@suse.de>
2017-09-21EDAC: Handle return value of kasprintf()Arvind Yadav1-2/+7
kasprintf() can fail and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Cc: linux-edac@vger.kernel.org [ Merged into a single patch, small formatting fixups. ] Signed-off-by: Borislav Petkov <bp@suse.de>
2017-07-17EDAC: Get rid of mci->mod_verBorislav Petkov1-3/+0
It is a write-only variable so get rid of it. Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Robert Richter <rric@kernel.org> Acked-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Thor Thayer <thor.thayer@linux.intel.com> Acked-by: Tony Luck <tony.luck@intel.com> Cc: Mark Gross <mark.gross@intel.com> Cc: Tim Small <tim@buttersideup.com> Cc: Ranganathan Desikan <ravi@jetztechnologies.com> Cc: "Arvind R." <arvino55@gmail.com> Cc: Jason Baron <jbaron@akamai.com> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Daney <david.daney@cavium.com> Cc: Loc Ho <lho@apm.com> Cc: linux-edac@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mips@linux-mips.org
2017-04-10EDAC: Rename report status accessorsBorislav Petkov1-1/+1
Change them to have the edac_ prefix. No functionality change. Signed-off-by: Borislav Petkov <bp@suse.de>
2017-01-24x86/ras, EDAC, acpi: Assign MCE notifier handlers a priorityBorislav Petkov1-1/+2
Assign all notifiers on the MCE decode chain a priority so that they get called in the correct order. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Yazen Ghannam <Yazen.Ghannam@amd.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/20170123183514.13356-10-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-12-15edac: rename edac_core.h to edac_mc.hMauro Carvalho Chehab1-1/+1
Now, all left at edac_core.h are at drivers/edac/edac_mc.c, so rename it to edac_mc.h. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-10-22EDAC, skx_edac: Fix non static symbol warningsWei Yongjun1-2/+2
Fix the following sparse warnings: drivers/edac/skx_edac.c:266:25: warning: symbol 'skx_cpuids' was not declared. Should it be static? drivers/edac/skx_edac.c:1040:12: warning: symbol 'skx_init' was not declared. Should it be static? Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/1477147098-2842-1-git-send-email-weiyj.lk@gmail.com Signed-off-by: Borislav Petkov <bp@suse.de>
2016-10-19EDAC, {sb,skx}_edac: Use Intel model macros instead of open-coding themDave Hansen1-1/+2
We now have symbolic names for a bunch of Intel CPU models via asm/intel-family.h. The original conversion missed the EDAC drivers. Convert them. Signed-off-by: Dave Hansen <dave.hansen@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: http://lkml.kernel.org/r/20160929204321.9FAE5F84@viggo.jf.intel.com [ Remove comment, macro name is descriptive enough. ] Signed-off-by: Borislav Petkov <bp@suse.de>
2016-08-21EDAC, skx_edac: Add EDAC driver for SkylakeTony Luck1-0/+1121
This is an entirely new driver instead of yet another set of patches to sb_edac.c because: 1) Mapping from PCI devices to socket/memory controller is significantly different. Skylake scatters devices on a socket across a number of PCI buses. 2) There is an extra level of interleaving via the "mcroute" register that would be a little messy to squeeze into the old driver. 3) Validation is getting too expensive. Changes to sb_edac need to be checked against Sandy Bridge, Ivy Bridge, Haswell, Broadwell and Knights Landing. Acked-by: Aristeu Rozanski <aris@redhat.com> Acked-by: Borislav Petkov <bp@suse.de> Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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