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path: root/drivers/edac/amd64_edac.h
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2013-01-10amd64_edac: Fix type usage in NB IDs and memory rangesDaniel J Blueman
Use appropriate types for northbridge IDs and memory ranges. Mark immutable data const and keep within compilation unit on related structures. Signed-off-by: Daniel J Blueman <daniel@numascale-asia.com> Link: http://lkml.kernel.org/r/1354265060-22956-2-git-send-email-daniel@numascale-asia.com [Boris: Drop arg change to node_to_amd_nb] Signed-off-by: Borislav Petkov <bp@alien8.de>
2013-01-10x86, AMD, NB: Add multi-domain supportDaniel J Blueman
Fix get_node_id to match northbridge IDs from the array of detected ones, allowing multi-server support such as with Numascale's NumaConnect, renaming to 'amd_get_node_id' for consistency. Signed-off-by: Daniel J Blueman <daniel@numascale-asia.com> Link: http://lkml.kernel.org/r/1353997932-8475-1-git-send-email-daniel@numascale-asia.com [Boris: shorten lines to fit 80 cols] Signed-off-by: Borislav Petkov <bp@alien8.de>
2012-11-28amd64_edac: Use DBAM_DIMM macroBorislav Petkov
Instead of open-coding it, use the DBAM_DIMM macro in amd64_csrow_nr_pages() which we have already. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2012-11-28amd64_edac: Reorganize error reporting pathBorislav Petkov
Rewrite CE/UE paths so that they use the same code and drop additional code duplication in handle_ue. Add a struct err_info which collects required info for the error reporting. This, in turn, helps slimming all edac_mc_handle_error() calls down to one. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2012-11-28amd64_edac: Improve error injectionBorislav Petkov
When injecting DRAM ECC errors over the F3xB[8,C] interface, the machine does this by injecting the error in the next non-cached access. This takes relatively long time on a normal system so that in order for us to expedite it, we disable the caches around the injection. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2012-11-28amd64_edac: Cleanup error injection codeBorislav Petkov
Invert kstrtoul return value testing and win one indentation level. Also, shorten up macro names so that the lines can fit into 80 cols. No functional change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2012-10-30EDAC: Change Boris' email addressBorislav Petkov
My @amd.com address will be invalid soon so move to private email address. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1351532410-4887-2-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-06-11amd64_edac: convert sysfs logic to use struct deviceMauro Carvalho Chehab
Now that the EDAC core supports struct device, there's no sense on having any logic at the EDAC core to simulate it. So, instead of adding such logic there, change the logic at amd64_edac to use it. Reviewed-by: Aristeu Rozanski <arozansk@redhat.com> Cc: Doug Thompson <norsk5@yahoo.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-04-26amd64_edac: Erratum #637 workaroundBorislav Petkov
F15h CPUs may report a non-DRAM address when reporting an error address belonging to a CC6 state save area. Add a workaround to detect this condition and compute the actual DRAM address of the error as documented in the Revision Guide for AMD Family 15h Models 00h-0Fh Processors. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-04-26amd64_edac: Factor in CC6 save areaBorislav Petkov
F15h and later use a portion of DRAM as a CC6 storage area. BIOS programs D18F1x[17C:140,7C:40] DRAM Base/Limit accordingly by subtracting the storage area from the DRAM limit setting. However, in order for edac to consider that part of DRAM too, we need to include it into the per-node range. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Fix DRAM base macrosBorislav Petkov
Return unsigned u8 values only. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Fix node id signednessBorislav Petkov
A node id can never be negative since we use it as an index into the DRAM ranges array. This also makes one of the BUG_ON conditions redundant. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Drop redundant declarationsBorislav Petkov
Those were moved to the mce_amd.h header. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Enable driver on F15hBorislav Petkov
Add the PCI device ids required for driver registration. Remove pvt->ctl_name and use the family descriptor directly, instead. Then, bump driver version and fixup its format. Finally, enable DRAM ECC decoding on F15h. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Adjust ECC symbol size to F15hBorislav Petkov
F15h has the same ECC symbol size options as F10h revD and later so adjust checks to that. Simplify code a bit. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Simplify scrubrate settingBorislav Petkov
Drop per-instance variable and compute min scrubrate dynamically. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Improve DRAM address mappingBorislav Petkov
Drop static tables which map the bits in F2x80 to a chip select size in favor of functions doing the mapping with some bit fiddling. Also, add F15 support. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Sanitize ->read_dram_ctl_registerBorislav Petkov
This function is relevant for F10h and higher, and it has only one callsite so drop its function pointer from the low_ops struct. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Revamp online spare handlingBorislav Petkov
Replace per-DCT macros with smarter ones, drop hack and look for the spare rank on all chip selects on a channel. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Add support for interleaved region swappingBorislav Petkov
On revC3 and revE Fam10h machines and later, non-interleaved graphics framebuffer memory under the 16G mark can be swapped with a region located at the bottom of memory so that the GPU can use the interleaved region and thus two channels. Add support for that. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Unify get_error_addressBorislav Petkov
The address bits from MC4_STATUS differ only between K8 and the rest so no need for a per-family method. No functional change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Simplify decoding pathBorislav Petkov
Use the struct mce directly instead of copying from it into a custom struct err_regs. No functionality change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Cleanup old defines cruftBorislav Petkov
Remove unused defines, drop family names from define names. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Cleanup NBCFG handlingBorislav Petkov
The fact whether we are chipkill capable or not does not have any bearing when computing the channel index on a ganged DCT configuration so remove that. Also, simplify debug statements. Finally, remove old error injection leftovers, while at it. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Cleanup NBCTL codeBorislav Petkov
Remove family names from macro names, drop single bit defines and comment their meaning instead. No functional change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Cleanup DCT Select Low/High codeBorislav Petkov
Shorten macro names, remove family name from macros, fix macro arguments, shorten debug strings. No functionality change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Cleanup Dram Configuration registers handlingBorislav Petkov
* Restrict DCT ganged mode check since only Fam10h supports it * Adjust DRAM type detection for BD since it only supports DDR3 * Remove second and thus unneeded DCLR read in k8_early_channel_count() - we do that in read_mc_regs() * Cleanup comments and remove family names from register macros * Remove unused defines There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Sanitize f10_get_base_addr_offsetBorislav Petkov
This function maps the system address to the normalized DCT address. Document what the code does for more clarity and wrap insane bitmasks in a more understandable macro which generates them. Also, reduce number of arguments passed to the function. Finally, rename this function to what it actually does. No functional change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Cleanup chipselect handlingBorislav Petkov
Add a struct representing the DRAM chip select base/limit register pairs. Concentrate all CS handling in a single function. Also, add CS looping macros for cleaner, more readable code. While at it, adjust code to F15h. Finally, do smaller macro names cleanups (remove family names from register macros) and debug messages clarification. No functional change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Cleanup DHAR handlingBorislav Petkov
Adjust to F15h, simplify code, fixup macros. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Remove DRAM base/limit subfields cachingBorislav Petkov
Add a struct representing the DRAM base/limit range pairs and remove all cached subfields. Replace them with accessor functions, which actually saves us some space: text data bss dec hex filename 14712 1577 336 16625 40f1 drivers/edac/amd64_edac_mod.o.after 14831 1609 336 16776 4188 drivers/edac/amd64_edac_mod.o.before Also, it simplifies the code a lot allowing to merge the K8 and F10h routines. No functional change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-03-17amd64_edac: Add support for F15h DCT PCI config accessesBorislav Petkov
F15h "multiplexes" between the configuration space of the two DRAM controllers by toggling D18F1x10C[DctCfgSel] while F10h has a different set of registers for DCT0, and DCT1 in extended PCI config space. Add DCT configuration space accessors per family thus wrapping all the different access prerequisites. Clean up code while at it, shorten names. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07EDAC: Fixup scrubrate manipulationBorislav Petkov
Make the ->{get|set}_sdram_scrub_rate return the actual scrub rate bandwidth it succeeded setting and remove superfluous arg pointer used for that. A negative value returned still means that an error occurred while setting the scrubrate. Document this for future reference. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Carve out ECC-related hw settingsBorislav Petkov
This is in preparation for the init path reorganization where we want only to 1) test whether a particular node supports ECC 2) can it be enabled and only then do the necessary allocation/initialization. For that, we need to decouple the ECC settings of the node from the instance's descriptor. The should be no functional change introduced by this patch. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Remove PCI ECS enabling functionsBorislav Petkov
PCI ECS is being enabled by default since 2.6.26 on AMD so this code is just superfluous now, remove it. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Allocate driver instances dynamicallyBorislav Petkov
Remove static allocation in favor of dynamically allocating space for as many driver instances as northbridges present on the system. There should be no functional change resulting from this patch. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Rework printk macrosBorislav Petkov
Add a macro per printk level, shorten up error messages. Add relevant information to KERN_INFO level. No functional change. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Rename CPU PCI devicesBorislav Petkov
Rename variables representing PCI devices to their BKDG names for faster search and shorter, clearer code. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Concentrate per-family init even moreBorislav Petkov
Move the remaining per-family init code into the proper place and simplify the rest of the initialization. Reorganize error handling in amd64_init_one_instance(). Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Simplify CPU family detectionBorislav Petkov
Concentrate CPU family detection in the per-family init function. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Add per-family init functionBorislav Petkov
Run a per-family init function which does all the settings based on the family this driver instance is running on. Move the scrubrate calculation in it and simplify code. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-01-07amd64_edac: Remove F11h supportBorislav Petkov
F11h doesn't support DRAM ECC so whack it away. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-10-21EDAC, MCE: Complete NB MCE decodersBorislav Petkov
Add support for decoding F14h BU MCEs and improve decoding of the remaining families. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-10-21EDAC, MCE: Rename filesBorislav Petkov
Drop "edac_" string from the filenames since they're prefixed with edac/ in their pathname anyway. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-10-21EDAC, MCE: Rework MCE injectionBorislav Petkov
Add sysfs injection facilities for testing of the MCE decoding code. Remove large parts of amd64_edac_dbg.c, as a result, which did only NB MCE injection anyway and the new injection code supports that functionality already. Add an injection module so that MCE decoding code in production kernels like those in RHEL and SLES can be tested. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-08-03amd64_edac: Remove unneeded definesBorislav Petkov
All F2x110-related bit defines are used at only one place so replace them with simple BIT() macros. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Acked-by: Doug Thompson <dougthompson@xmission.com>
2010-08-03amd64_edac: Sanitize syndrome extractionBorislav Petkov
Remove the two syndrome extraction macros and add a single function which does the same thing but with proper typechecking. While at it, make sure to cache ECC syndrome size and dump it in debug output. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2010-03-01amd64_edac: Simplify ECC override handlingBorislav Petkov
No need for clearing ecc_enable_override and checking it in two places. Instead, simply check it during probing and act accordingly. Also, rename the flag bitfields according to the functionality they actually represent. What is more, make sure original BIOS ECC settings are restored when the module is unloaded. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-08amd64_edac: bump driver versionBorislav Petkov
This was long overdue ... Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-07amd64_edac: remove early hw support checkBorislav Petkov
The .probe_valid_hardware low_ops member checked whether the DCTs are in DDR3 mode and bailed out if so. Now that all the needed changes for DDR3 support is in place, remove it. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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