From patchwork Tue Oct 11 23:18:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 13004532 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6E733C4332F for ; Tue, 11 Oct 2022 23:22:54 +0000 (UTC) Received: from localhost ([::1]:32964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oiOaL-00045j-FH for qemu-devel@archiver.kernel.org; Tue, 11 Oct 2022 19:22:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39378) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oiOWu-00054L-KB for qemu-devel@nongnu.org; Tue, 11 Oct 2022 19:19:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:54663) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oiOWt-0006Qy-2r for qemu-devel@nongnu.org; Tue, 11 Oct 2022 19:19:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1665530358; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=AxK+GaPh99ZdRHLMBXzRZHgMj6Uw8BF0L6YSYsoc8Wg=; b=Q9MKCYW7p3Y9zyJWrJ5F421YgaWDjBSQ472bKc/NPF38JKFWdIt6f3Ce6DLaD/GXmqDwT8 Y+oRBNfkTOakj75N1oW+nfjI4eC0qVksHhHOTa+Dtf0kpdXfn5QQ8gdrdBUdqA+2z8YcHv NbRVbWSFCSpVM+sw3Y19Mc1WpmwiBzw= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-114-QDwU747rMBOfs_ov6QJAlg-1; Tue, 11 Oct 2022 19:19:15 -0400 X-MC-Unique: QDwU747rMBOfs_ov6QJAlg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 16A21811E75; Tue, 11 Oct 2022 23:19:15 +0000 (UTC) Received: from gshan.redhat.com (vpn2-54-52.bne.redhat.com [10.64.54.52]) by smtp.corp.redhat.com (Postfix) with ESMTP id B5E722166B2F; Tue, 11 Oct 2022 23:19:11 +0000 (UTC) From: Gavin Shan To: qemu-arm@nongnu.org Cc: qemu-devel@nongnu.org, maz@kernel.org, eric.auger@redhat.com, cohuck@redhat.com, zhenyzha@redhat.com, richard.henderson@linaro.org, peter.maydell@linaro.org, shan.gavin@gmail.com Subject: [PATCH v5 4/6] hw/arm/virt: Introduce virt_get_high_memmap_enabled() helper Date: Wed, 12 Oct 2022 07:18:30 +0800 Message-Id: <20221011231832.149839-5-gshan@redhat.com> In-Reply-To: <20221011231832.149839-1-gshan@redhat.com> References: <20221011231832.149839-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Received-SPF: pass client-ip=170.10.133.124; envelope-from=gshan@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This introduces virt_get_high_memmap_enabled() helper, which returns the pointer to vms->highmem_{redists, ecam, mmio}. The pointer will be used in the subsequent patches. No functional change intended. Signed-off-by: Gavin Shan Tested-by: Zhenyu Zhang Reviewed-by: Cornelia Huck Reviewed-by: Eric Auger --- hw/arm/virt.c | 32 +++++++++++++++++++------------- 1 file changed, 19 insertions(+), 13 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 0bf3cb7057..ee98a8a3b6 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1689,14 +1689,31 @@ static uint64_t virt_cpu_mp_affinity(VirtMachineState *vms, int idx) return arm_cpu_mp_affinity(idx, clustersz); } +static inline bool *virt_get_high_memmap_enabled(VirtMachineState *vms, + int index) +{ + bool *enabled_array[] = { + &vms->highmem_redists, + &vms->highmem_ecam, + &vms->highmem_mmio, + }; + + assert(ARRAY_SIZE(extended_memmap) - VIRT_LOWMEMMAP_LAST == + ARRAY_SIZE(enabled_array)); + assert(index - VIRT_LOWMEMMAP_LAST < ARRAY_SIZE(enabled_array)); + + return enabled_array[index - VIRT_LOWMEMMAP_LAST]; +} + static void virt_set_high_memmap(VirtMachineState *vms, hwaddr base, int pa_bits) { hwaddr region_base, region_size; - bool fits; + bool *region_enabled, fits; int i; for (i = VIRT_LOWMEMMAP_LAST; i < ARRAY_SIZE(extended_memmap); i++) { + region_enabled = virt_get_high_memmap_enabled(vms, i); region_base = ROUND_UP(base, extended_memmap[i].size); region_size = extended_memmap[i].size; @@ -1714,18 +1731,7 @@ static void virt_set_high_memmap(VirtMachineState *vms, vms->highest_gpa = region_base + region_size - 1; } - switch (i) { - case VIRT_HIGH_GIC_REDIST2: - vms->highmem_redists &= fits; - break; - case VIRT_HIGH_PCIE_ECAM: - vms->highmem_ecam &= fits; - break; - case VIRT_HIGH_PCIE_MMIO: - vms->highmem_mmio &= fits; - break; - } - + *region_enabled &= fits; base = region_base + region_size; } }