From owner-svn-src-all@FreeBSD.ORG Thu Oct 9 05:34:29 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 67E188DF; Thu, 9 Oct 2014 05:34:29 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 3A533683; Thu, 9 Oct 2014 05:34:29 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s995YTPE057315; Thu, 9 Oct 2014 05:34:29 GMT (envelope-from adrian@FreeBSD.org) Received: (from adrian@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s995YTUx057314; Thu, 9 Oct 2014 05:34:29 GMT (envelope-from adrian@FreeBSD.org) Message-Id: <201410090534.s995YTUx057314@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: adrian set sender to adrian@FreeBSD.org using -f From: Adrian Chadd Date: Thu, 9 Oct 2014 05:34:29 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r272800 - head/sys/x86/acpica X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Oct 2014 05:34:29 -0000 Author: adrian Date: Thu Oct 9 05:34:28 2014 New Revision: 272800 URL: https://svnweb.freebsd.org/changeset/base/272800 Log: Missing from previous commit - keep the VM domain -> PXM mapping array and use it to map PXM -> VM domain when needed. Differential Revision: D906 Reviewed by: jhb Modified: head/sys/x86/acpica/srat.c Modified: head/sys/x86/acpica/srat.c ============================================================================== --- head/sys/x86/acpica/srat.c Thu Oct 9 05:33:25 2014 (r272799) +++ head/sys/x86/acpica/srat.c Thu Oct 9 05:34:28 2014 (r272800) @@ -62,6 +62,8 @@ int num_mem; static ACPI_TABLE_SRAT *srat; static vm_paddr_t srat_physaddr; +static int vm_domains[VM_PHYSSEG_MAX]; + static void srat_walk_table(acpi_subtable_handler *handler, void *arg); /* @@ -247,7 +249,6 @@ check_phys_avail(void) static int renumber_domains(void) { - int domains[VM_PHYSSEG_MAX]; int i, j, slot; /* Enumerate all the domains. */ @@ -255,17 +256,17 @@ renumber_domains(void) for (i = 0; i < num_mem; i++) { /* See if this domain is already known. */ for (j = 0; j < vm_ndomains; j++) { - if (domains[j] >= mem_info[i].domain) + if (vm_domains[j] >= mem_info[i].domain) break; } - if (j < vm_ndomains && domains[j] == mem_info[i].domain) + if (j < vm_ndomains && vm_domains[j] == mem_info[i].domain) continue; /* Insert the new domain at slot 'j'. */ slot = j; for (j = vm_ndomains; j > slot; j--) - domains[j] = domains[j - 1]; - domains[slot] = mem_info[i].domain; + vm_domains[j] = vm_domains[j - 1]; + vm_domains[slot] = mem_info[i].domain; vm_ndomains++; if (vm_ndomains > MAXMEMDOM) { vm_ndomains = 1; @@ -280,15 +281,15 @@ renumber_domains(void) * If the domain is already the right value, no need * to renumber. */ - if (domains[i] == i) + if (vm_domains[i] == i) continue; /* Walk the cpu[] and mem_info[] arrays to renumber. */ for (j = 0; j < num_mem; j++) - if (mem_info[j].domain == domains[i]) + if (mem_info[j].domain == vm_domains[i]) mem_info[j].domain = i; for (j = 0; j <= MAX_APIC_ID; j++) - if (cpus[j].enabled && cpus[j].domain == domains[i]) + if (cpus[j].enabled && cpus[j].domain == vm_domains[i]) cpus[j].domain = i; } KASSERT(vm_ndomains > 0, @@ -368,4 +369,23 @@ srat_set_cpus(void *dummy) } } SYSINIT(srat_set_cpus, SI_SUB_CPU, SI_ORDER_ANY, srat_set_cpus, NULL); + +/* + * Map a _PXM value to a VM domain ID. + * + * Returns the domain ID, or -1 if no domain ID was found. + */ +int +acpi_map_pxm_to_vm_domainid(int pxm) +{ + int i; + + for (i = 0; i < vm_ndomains; i++) { + if (vm_domains[i] == pxm) + return (i); + } + + return (-1); +} + #endif /* MAXMEMDOM > 1 */