From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754792Ab3AVQvM (ORCPT ); Tue, 22 Jan 2013 11:51:12 -0500 Received: from terminus.zytor.com ([198.137.202.10]:34975 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752603Ab3AVQvJ (ORCPT ); Tue, 22 Jan 2013 11:51:09 -0500 Date: Tue, 22 Jan 2013 08:49:48 -0800 From: tip-bot for Daniel J Blueman Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, tglx@linutronix.de, bp@alien8.de, daniel@numascale-asia.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, bp@alien8.de, daniel@numascale-asia.com In-Reply-To: <1353997932-8475-1-git-send-email-daniel@numascale-asia.com> References: <1353997932-8475-1-git-send-email-daniel@numascale-asia.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/platform] x86, AMD, NB: Add multi-domain support Git-Commit-ID: 772c3ff385eda0d0b4744596f87b79a17f8c9282 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (terminus.zytor.com [127.0.0.1]); Tue, 22 Jan 2013 08:49:53 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 772c3ff385eda0d0b4744596f87b79a17f8c9282 Gitweb: http://git.kernel.org/tip/772c3ff385eda0d0b4744596f87b79a17f8c9282 Author: Daniel J Blueman AuthorDate: Tue, 27 Nov 2012 14:32:09 +0800 Committer: Borislav Petkov CommitDate: Thu, 10 Jan 2013 16:17:58 +0100 x86, AMD, NB: Add multi-domain support 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 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 --- arch/x86/include/asm/amd_nb.h | 17 +++++++++++++++++ drivers/edac/amd64_edac.c | 6 +++--- drivers/edac/amd64_edac.h | 6 ------ 3 files changed, 20 insertions(+), 9 deletions(-) diff --git a/arch/x86/include/asm/amd_nb.h b/arch/x86/include/asm/amd_nb.h index b3341e9..a54ee1d 100644 --- a/arch/x86/include/asm/amd_nb.h +++ b/arch/x86/include/asm/amd_nb.h @@ -81,6 +81,23 @@ static inline struct amd_northbridge *node_to_amd_nb(int node) return (node < amd_northbridges.num) ? &amd_northbridges.nb[node] : NULL; } +static inline u16 amd_get_node_id(struct pci_dev *pdev) +{ + struct pci_dev *misc; + int i; + + for (i = 0; i != amd_nb_num(); i++) { + misc = node_to_amd_nb(i)->misc; + + if (pci_domain_nr(misc->bus) == pci_domain_nr(pdev->bus) && + PCI_SLOT(misc->devfn) == PCI_SLOT(pdev->devfn)) + return i; + } + + WARN(1, "Unable to find AMD Northbridge id for %s\n", pci_name(pdev)); + return 0; +} + #else #define amd_nb_num(x) 0 diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index ad8bf2a..a3fe39b 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2474,7 +2474,7 @@ static int amd64_init_one_instance(struct pci_dev *F2) struct mem_ctl_info *mci = NULL; struct edac_mc_layer layers[2]; int err = 0, ret; - u8 nid = get_node_id(F2); + u16 nid = amd_get_node_id(F2); ret = -ENOMEM; pvt = kzalloc(sizeof(struct amd64_pvt), GFP_KERNEL); @@ -2566,7 +2566,7 @@ err_ret: static int amd64_probe_one_instance(struct pci_dev *pdev, const struct pci_device_id *mc_type) { - u8 nid = get_node_id(pdev); + u16 nid = amd_get_node_id(pdev); struct pci_dev *F3 = node_to_amd_nb(nid)->misc; struct ecc_settings *s; int ret = 0; @@ -2616,7 +2616,7 @@ static void amd64_remove_one_instance(struct pci_dev *pdev) { struct mem_ctl_info *mci; struct amd64_pvt *pvt; - u8 nid = get_node_id(pdev); + u16 nid = amd_get_node_id(pdev); struct pci_dev *F3 = node_to_amd_nb(nid)->misc; struct ecc_settings *s = ecc_stngs[nid]; diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index e864f40..cd7845f 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -292,12 +292,6 @@ /* MSRs */ #define MSR_MCGCTL_NBE BIT(4) -/* AMD sets the first MC device at device ID 0x18. */ -static inline u8 get_node_id(struct pci_dev *pdev) -{ - return PCI_SLOT(pdev->devfn) - 0x18; -} - enum amd_families { K8_CPUS = 0, F10_CPUS,