From patchwork Fri Sep 4 13:56:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Henrique Barboza X-Patchwork-Id: 274502 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_INVALID, DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19724C43461 for ; Fri, 4 Sep 2020 13:58:04 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CF90220709 for ; Fri, 4 Sep 2020 13:58:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="epV1ofJL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CF90220709 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55402 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kECE7-0005JD-2Y for qemu-devel@archiver.kernel.org; Fri, 04 Sep 2020 09:58:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55270) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kECCu-0003yJ-N0; Fri, 04 Sep 2020 09:56:48 -0400 Received: from mail-qk1-x744.google.com ([2607:f8b0:4864:20::744]:43213) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kECCs-00086q-RR; Fri, 04 Sep 2020 09:56:48 -0400 Received: by mail-qk1-x744.google.com with SMTP id o64so6296852qkb.10; Fri, 04 Sep 2020 06:56:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=yaXUGx5Z0/GOHdtMl0ca+JpE0hz+CrwFr6VPmXocPbo=; b=epV1ofJLCkqzww6Swar+AuCfhlaYpOY1ZlZV/FvRsYJcGJG7hJkYJKILGjbGSx/5M6 IsMszHOLiYYcQ7cq3/6dB5a7oHbhde5HykBzpRdiHJ5gcIJ1WBsgu4TShfBeWxc3TiJK U4z2pn+d1GUKqsgHdAq6KhBxwrNUDDvtLUPE0ISzDli8iWpASwiONRESfzYhyyAlDFSy bJ6ckTC5CYOviLx/vMcylUCi9+q0VNv6Ca5yiFE1uFlMpmQxwaX8+mBo/QjSaNh+IErg FOn4b1e1t9FXkr/zpJeZgtdHLobg3NAfQ5JYwCxyMDyYWnyrifu3eM4Vf1L6JmiAxAIy dAgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=yaXUGx5Z0/GOHdtMl0ca+JpE0hz+CrwFr6VPmXocPbo=; b=p9lIsP4bvHALWEF2tzdsy/cvYkGl6vOQQ5VkOTdWYKfZE8N8pqgXkD4lwOPTrwIYRQ 5aT0GMZbVUff7ZF897eWMuxGQBwmPKBkAl8pU52pR3e/L9jZ0GyiiueAVyOvqQjIGYqE ofEDAivUM96E/RjHQYi/DfWyz9uJJEqbzQiZMaHIBg10+r6FTm9cwhCXAZncOo2nK1Sc W+OEMQxM8+vhbqfxz0nJmcUaSzk/impS/DGBN7/pPVdI+8GSToN1pDA58CrPEmuiiCG+ nLZNfhLjwOHeo0ZmGsjR0gpifhNtaZiUAgQXBZnRTFM8XTTnoATvV6gY8B2mKTpn4Erw nLbA== X-Gm-Message-State: AOAM532ICW8mhinFPnQOxvSZqDw8zGQ4w9nhmuUv/gfW9rSv2RsmI/Ys c25ziGb7CAX+q1LZjsnY33moN7Nbi5w= X-Google-Smtp-Source: ABdhPJxFvf3vZ0w3Utkxff9EV2w6ZbEWw+RQ46CTOtFyxfZd6nK1d6bdwBcYhIysiwPrh3mIQuaz8A== X-Received: by 2002:a05:620a:1212:: with SMTP id u18mr8128242qkj.434.1599227805277; Fri, 04 Sep 2020 06:56:45 -0700 (PDT) Received: from rekt.ibmuc.com ([2804:431:c7c6:1dc:ffbd:d3fb:97ff:aaca]) by smtp.gmail.com with ESMTPSA id y30sm4682993qth.7.2020.09.04.06.56.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Sep 2020 06:56:44 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Subject: [PATCH v5 1/3] spapr: move h_home_node_associativity to spapr_numa.c Date: Fri, 4 Sep 2020 10:56:29 -0300 Message-Id: <20200904135631.605094-2-danielhb413@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200904135631.605094-1-danielhb413@gmail.com> References: <20200904135631.605094-1-danielhb413@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::744; envelope-from=danielhb413@gmail.com; helo=mail-qk1-x744.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Henrique Barboza , qemu-ppc@nongnu.org, groug@kaod.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The implementation of this hypercall will be modified to use spapr->numa_assoc_arrays input. Moving it to spapr_numa.c makes make more sense. Signed-off-by: Daniel Henrique Barboza Reviewed-by: Greg Kurz --- hw/ppc/spapr_hcall.c | 40 --------------------------------------- hw/ppc/spapr_numa.c | 45 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+), 40 deletions(-) diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index c1d01228c6..c2776b6a7d 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -1873,42 +1873,6 @@ static target_ulong h_client_architecture_support(PowerPCCPU *cpu, return ret; } -static target_ulong h_home_node_associativity(PowerPCCPU *cpu, - SpaprMachineState *spapr, - target_ulong opcode, - target_ulong *args) -{ - target_ulong flags = args[0]; - target_ulong procno = args[1]; - PowerPCCPU *tcpu; - int idx; - - /* only support procno from H_REGISTER_VPA */ - if (flags != 0x1) { - return H_FUNCTION; - } - - tcpu = spapr_find_cpu(procno); - if (tcpu == NULL) { - return H_P2; - } - - /* sequence is the same as in the "ibm,associativity" property */ - - idx = 0; -#define ASSOCIATIVITY(a, b) (((uint64_t)(a) << 32) | \ - ((uint64_t)(b) & 0xffffffff)) - args[idx++] = ASSOCIATIVITY(0, 0); - args[idx++] = ASSOCIATIVITY(0, tcpu->node_id); - args[idx++] = ASSOCIATIVITY(procno, -1); - for ( ; idx < 6; idx++) { - args[idx] = -1; - } -#undef ASSOCIATIVITY - - return H_SUCCESS; -} - static target_ulong h_get_cpu_characteristics(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, @@ -2139,10 +2103,6 @@ static void hypercall_register_types(void) spapr_register_hypercall(KVMPPC_H_CAS, h_client_architecture_support); spapr_register_hypercall(KVMPPC_H_UPDATE_DT, h_update_dt); - - /* Virtual Processor Home Node */ - spapr_register_hypercall(H_HOME_NODE_ASSOCIATIVITY, - h_home_node_associativity); } type_init(hypercall_register_types) diff --git a/hw/ppc/spapr_numa.c b/hw/ppc/spapr_numa.c index 93a000b729..368c1a494d 100644 --- a/hw/ppc/spapr_numa.c +++ b/hw/ppc/spapr_numa.c @@ -165,3 +165,48 @@ void spapr_numa_write_rtas_dt(SpaprMachineState *spapr, void *fdt, int rtas) _FDT(fdt_setprop(fdt, rtas, "ibm,max-associativity-domains", maxdomains, sizeof(maxdomains))); } + +static target_ulong h_home_node_associativity(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong opcode, + target_ulong *args) +{ + target_ulong flags = args[0]; + target_ulong procno = args[1]; + PowerPCCPU *tcpu; + int idx; + + /* only support procno from H_REGISTER_VPA */ + if (flags != 0x1) { + return H_FUNCTION; + } + + tcpu = spapr_find_cpu(procno); + if (tcpu == NULL) { + return H_P2; + } + + /* sequence is the same as in the "ibm,associativity" property */ + + idx = 0; +#define ASSOCIATIVITY(a, b) (((uint64_t)(a) << 32) | \ + ((uint64_t)(b) & 0xffffffff)) + args[idx++] = ASSOCIATIVITY(0, 0); + args[idx++] = ASSOCIATIVITY(0, tcpu->node_id); + args[idx++] = ASSOCIATIVITY(procno, -1); + for ( ; idx < 6; idx++) { + args[idx] = -1; + } +#undef ASSOCIATIVITY + + return H_SUCCESS; +} + +static void spapr_numa_register_types(void) +{ + /* Virtual Processor Home Node */ + spapr_register_hypercall(H_HOME_NODE_ASSOCIATIVITY, + h_home_node_associativity); +} + +type_init(spapr_numa_register_types) From patchwork Fri Sep 4 13:56:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Henrique Barboza X-Patchwork-Id: 306169 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_INVALID, DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BE9FC433E2 for ; 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Fri, 04 Sep 2020 06:56:47 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Subject: [PATCH v5 2/3] spapr_numa: create a vcpu associativity helper Date: Fri, 4 Sep 2020 10:56:30 -0300 Message-Id: <20200904135631.605094-3-danielhb413@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200904135631.605094-1-danielhb413@gmail.com> References: <20200904135631.605094-1-danielhb413@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::741; envelope-from=danielhb413@gmail.com; helo=mail-qk1-x741.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Henrique Barboza , qemu-ppc@nongnu.org, groug@kaod.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The work to be done in h_home_node_associativity() intersects with what is already done in spapr_numa_fixup_cpu_dt(). This patch creates a new helper, spapr_numa_get_vcpu_assoc(), to be used for both spapr_numa_fixup_cpu_dt() and h_home_node_associativity(). While we're at it, use memcpy() instead of loop assignment to created the returned array. Signed-off-by: Daniel Henrique Barboza --- hw/ppc/spapr_numa.c | 33 ++++++++++++++++++++------------- include/hw/ppc/spapr.h | 7 ++++++- 2 files changed, 26 insertions(+), 14 deletions(-) diff --git a/hw/ppc/spapr_numa.c b/hw/ppc/spapr_numa.c index 368c1a494d..674d2ee86d 100644 --- a/hw/ppc/spapr_numa.c +++ b/hw/ppc/spapr_numa.c @@ -71,31 +71,38 @@ void spapr_numa_write_associativity_dt(SpaprMachineState *spapr, void *fdt, sizeof(spapr->numa_assoc_array[nodeid])))); } -int spapr_numa_fixup_cpu_dt(SpaprMachineState *spapr, void *fdt, - int offset, PowerPCCPU *cpu) +static uint32_t *spapr_numa_get_vcpu_assoc(SpaprMachineState *spapr, + PowerPCCPU *cpu) { - uint vcpu_assoc_size = NUMA_ASSOC_SIZE + 1; - uint32_t vcpu_assoc[vcpu_assoc_size]; + uint32_t *vcpu_assoc = g_malloc(VCPU_ASSOC_SIZE * sizeof(uint32_t)); int index = spapr_get_vcpu_id(cpu); - int i; + + g_assert(vcpu_assoc != NULL); /* * VCPUs have an extra 'cpu_id' value in ibm,associativity * compared to other resources. Increment the size at index - * 0, copy all associativity domains already set, then put - * cpu_id last. + * 0, put cpu_id last, then copy the remaining associativity + * domains. */ vcpu_assoc[0] = cpu_to_be32(MAX_DISTANCE_REF_POINTS + 1); + vcpu_assoc[VCPU_ASSOC_SIZE - 1] = cpu_to_be32(index); + memcpy(vcpu_assoc + 1, spapr->numa_assoc_array[cpu->node_id] + 1, + (VCPU_ASSOC_SIZE - 2) * sizeof(uint32_t)); - for (i = 1; i <= MAX_DISTANCE_REF_POINTS; i++) { - vcpu_assoc[i] = spapr->numa_assoc_array[cpu->node_id][i]; - } + return vcpu_assoc; +} + +int spapr_numa_fixup_cpu_dt(SpaprMachineState *spapr, void *fdt, + int offset, PowerPCCPU *cpu) +{ + g_autofree uint32_t *vcpu_assoc = NULL; - vcpu_assoc[vcpu_assoc_size - 1] = cpu_to_be32(index); + vcpu_assoc = spapr_numa_get_vcpu_assoc(spapr, cpu); /* Advertise NUMA via ibm,associativity */ - return fdt_setprop(fdt, offset, "ibm,associativity", - vcpu_assoc, sizeof(vcpu_assoc)); + return fdt_setprop(fdt, offset, "ibm,associativity", vcpu_assoc, + VCPU_ASSOC_SIZE * sizeof(uint32_t)); } diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 9a63380801..e50a2672e3 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -107,13 +107,18 @@ typedef enum { /* * NUMA related macros. MAX_DISTANCE_REF_POINTS was taken - * from Taken from Linux kernel arch/powerpc/mm/numa.h. + * from Linux kernel arch/powerpc/mm/numa.h. It represents the + * amount of associativity domains for non-CPU resources. * * NUMA_ASSOC_SIZE is the base array size of an ibm,associativity * array for any non-CPU resource. + * + * VCPU_ASSOC_SIZE represents the size of ibm,associativity array + * for CPUs, which has an extra element (vcpu_id) in the end. */ #define MAX_DISTANCE_REF_POINTS 4 #define NUMA_ASSOC_SIZE (MAX_DISTANCE_REF_POINTS + 1) +#define VCPU_ASSOC_SIZE (NUMA_ASSOC_SIZE + 1) typedef struct SpaprCapabilities SpaprCapabilities; struct SpaprCapabilities {