From patchwork Sat Oct 24 21:35:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 11855041 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 1973AC55178 for ; Sat, 24 Oct 2020 21:38:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C24382225E for ; Sat, 24 Oct 2020 21:38:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="fWt8dGKh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765050AbgJXViM (ORCPT ); Sat, 24 Oct 2020 17:38:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764703AbgJXVfs (ORCPT ); Sat, 24 Oct 2020 17:35:48 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7CAA7C0613D5; Sat, 24 Oct 2020 14:35:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=zijc/whkOmfLXIiirWH/gYILveEHShuI4ufUQxZE7qw=; b=fWt8dGKh7QTvP+OygUJewhm3u3 U+nM12D9bRE5TDcVFQZQ7CvgupliaH6XLDlLzuaRe+oFKwMtHdwxJ90q1QXSdsHTHtp8I2XASVMJH zpYJrktcyQD78RM1USH+Jv/EzT5SA5o2+pR94AeKuaKxJG39oRdFzcQgBUER8/acKL3uNSNNH/ihR TGO19pNXmPwH1dNF0g9hi+bgw0iQDqUrNggvHMJNOXV8AXijNXeCqy1rJ3JNIH4fYFFjA2kibXi6J NbDaUK9QDnhfi63eDDjOyZhjh8GbWLtpS5IPLLNJdPr5GFm/qmheWsXfG0Y60kdmpPHkWOWcDSxkP akmrQgNg==; Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kWRCS-0006HA-8N; Sat, 24 Oct 2020 21:35:45 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.93 #3 (Red Hat Linux)) id 1kWRCM-001rO4-PJ; Sat, 24 Oct 2020 22:35:38 +0100 From: David Woodhouse To: x86@kernel.org Cc: kvm , iommu@lists.linux-foundation.org, joro@8bytes.org, Thomas Gleixner , Paolo Bonzini , linux-kernel , linux-hyperv@vger.kernel.org, maz@misterjones.org, Dexuan Cui Subject: [PATCH v3 08/35] x86/apic: Cleanup destination mode Date: Sat, 24 Oct 2020 22:35:08 +0100 Message-Id: <20201024213535.443185-9-dwmw2@infradead.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201024213535.443185-1-dwmw2@infradead.org> References: <20201024213535.443185-1-dwmw2@infradead.org> MIME-Version: 1.0 Sender: David Woodhouse X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Thomas Gleixner apic::irq_dest_mode is actually a boolean, but defined as u32 and named in a way which does not explain what it means. Make it a boolean and rename it to 'dest_mode_logical' Signed-off-by: Thomas Gleixner Signed-off-by: David Woodhouse --- arch/x86/include/asm/apic.h | 2 +- arch/x86/kernel/apic/apic.c | 2 +- arch/x86/kernel/apic/apic_flat_64.c | 4 ++-- arch/x86/kernel/apic/apic_noop.c | 4 +--- arch/x86/kernel/apic/apic_numachip.c | 4 ++-- arch/x86/kernel/apic/bigsmp_32.c | 3 +-- arch/x86/kernel/apic/io_apic.c | 2 +- arch/x86/kernel/apic/msi.c | 6 +++--- arch/x86/kernel/apic/probe_32.c | 3 +-- arch/x86/kernel/apic/x2apic_cluster.c | 2 +- arch/x86/kernel/apic/x2apic_phys.c | 2 +- arch/x86/kernel/apic/x2apic_uv_x.c | 2 +- arch/x86/kernel/smpboot.c | 7 ++----- arch/x86/platform/uv/uv_irq.c | 2 +- arch/x86/xen/apic.c | 3 +-- drivers/iommu/amd/amd_iommu_types.h | 2 +- drivers/iommu/amd/iommu.c | 8 ++++---- drivers/iommu/intel/irq_remapping.c | 2 +- 18 files changed, 26 insertions(+), 34 deletions(-) diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 019d7ac3b16e..652f62252349 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -309,7 +309,7 @@ struct apic { u32 disable_esr; enum apic_delivery_modes delivery_mode; - u32 irq_dest_mode; + bool dest_mode_logical; u32 (*calc_dest_apicid)(unsigned int cpu); diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 29d28b34cb2f..54f04355aaa2 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1591,7 +1591,7 @@ static void setup_local_APIC(void) apic->init_apic_ldr(); #ifdef CONFIG_X86_32 - if (apic->irq_dest_mode == 1) { + if (apic->dest_mode_logical) { int logical_apicid, ldr_apicid; /* diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c index bbb1b89fe711..8f72b4351c9f 100644 --- a/arch/x86/kernel/apic/apic_flat_64.c +++ b/arch/x86/kernel/apic/apic_flat_64.c @@ -114,7 +114,7 @@ static struct apic apic_flat __ro_after_init = { .apic_id_registered = flat_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - .irq_dest_mode = 1, /* logical */ + .dest_mode_logical = true, .disable_esr = 0, @@ -205,7 +205,7 @@ static struct apic apic_physflat __ro_after_init = { .apic_id_registered = flat_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - .irq_dest_mode = 0, /* physical */ + .dest_mode_logical = false, .disable_esr = 0, diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c index 38f167ce5031..fe78319e0f7a 100644 --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c @@ -96,8 +96,7 @@ struct apic apic_noop __ro_after_init = { .apic_id_registered = noop_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - /* logical delivery broadcast to all CPUs: */ - .irq_dest_mode = 1, + .dest_mode_logical = true, .disable_esr = 0, @@ -105,7 +104,6 @@ struct apic apic_noop __ro_after_init = { .init_apic_ldr = noop_init_apic_ldr, .ioapic_phys_id_map = default_ioapic_phys_id_map, .setup_apic_routing = NULL, - .cpu_present_to_apicid = default_cpu_present_to_apicid, .apicid_to_cpu_present = physid_set_mask_of_physid, diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c index 4ebf9fe2c95d..a54d817eb4b6 100644 --- a/arch/x86/kernel/apic/apic_numachip.c +++ b/arch/x86/kernel/apic/apic_numachip.c @@ -247,7 +247,7 @@ static const struct apic apic_numachip1 __refconst = { .apic_id_registered = numachip_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - .irq_dest_mode = 0, /* physical */ + .dest_mode_logical = false, .disable_esr = 0, @@ -294,7 +294,7 @@ static const struct apic apic_numachip2 __refconst = { .apic_id_registered = numachip_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - .irq_dest_mode = 0, /* physical */ + .dest_mode_logical = false, .disable_esr = 0, diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c index 64c375b8c54e..77555f66c14d 100644 --- a/arch/x86/kernel/apic/bigsmp_32.c +++ b/arch/x86/kernel/apic/bigsmp_32.c @@ -128,8 +128,7 @@ static struct apic apic_bigsmp __ro_after_init = { .apic_id_registered = bigsmp_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - /* phys delivery to target CPU: */ - .irq_dest_mode = 0, + .dest_mode_logical = false, .disable_esr = 1, diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index cff6cbc3d183..c6d92d2570d0 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2950,7 +2950,7 @@ static void mp_setup_entry(struct irq_cfg *cfg, struct mp_chip_data *data, { memset(entry, 0, sizeof(*entry)); entry->delivery_mode = apic->delivery_mode; - entry->dest_mode = apic->irq_dest_mode; + entry->dest_mode = apic->dest_mode_logical; entry->dest = cfg->dest_apicid; entry->vector = cfg->vector; entry->trigger = data->trigger; diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index 516df47bde73..46ffd41a4238 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -30,9 +30,9 @@ static void __irq_msi_compose_msg(struct irq_cfg *cfg, struct msi_msg *msg, msg->address_lo = MSI_ADDR_BASE_LO | - ((apic->irq_dest_mode == 0) ? - MSI_ADDR_DEST_MODE_PHYSICAL : - MSI_ADDR_DEST_MODE_LOGICAL) | + (apic->dest_mode_logical ? + MSI_ADDR_DEST_MODE_LOGICAL : + MSI_ADDR_DEST_MODE_PHYSICAL) | MSI_ADDR_REDIRECTION_CPU | MSI_ADDR_DEST_ID(cfg->dest_apicid); diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c index 97652aacf3e1..a61f642b1b90 100644 --- a/arch/x86/kernel/apic/probe_32.c +++ b/arch/x86/kernel/apic/probe_32.c @@ -70,8 +70,7 @@ static struct apic apic_default __ro_after_init = { .apic_id_registered = default_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - /* logical delivery broadcast to all CPUs: */ - .irq_dest_mode = 1, + .dest_mode_logical = true, .disable_esr = 0, diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 53390fc9f51e..df6adc5674c9 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -185,7 +185,7 @@ static struct apic apic_x2apic_cluster __ro_after_init = { .apic_id_registered = x2apic_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - .irq_dest_mode = 1, /* logical */ + .dest_mode_logical = true, .disable_esr = 0, diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index ee0c4d08092c..0e4e81971567 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c @@ -158,7 +158,7 @@ static struct apic apic_x2apic_phys __ro_after_init = { .apic_id_registered = x2apic_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - .irq_dest_mode = 0, /* physical */ + .dest_mode_logical = false, .disable_esr = 0, diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index d21a6853afee..de94181f4d0c 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -808,7 +808,7 @@ static struct apic apic_x2apic_uv_x __ro_after_init = { .apic_id_registered = uv_apic_id_registered, .delivery_mode = APIC_DELIVERY_MODE_FIXED, - .irq_dest_mode = 0, /* Physical */ + .dest_mode_logical = false, .disable_esr = 0, diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 6c14f1091f60..d133d6580f41 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -747,7 +747,7 @@ static void __init smp_quirk_init_udelay(void) int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip) { - u32 dm = apic->irq_dest_mode ? APIC_DEST_LOGICAL : APIC_DEST_PHYSICAL; + u32 dm = apic->dest_mode_logical ? APIC_DEST_LOGICAL : APIC_DEST_PHYSICAL; unsigned long send_status, accept_status = 0; int maxlvt; @@ -981,10 +981,7 @@ wakeup_cpu_via_init_nmi(int cpu, unsigned long start_ip, int apicid, if (!boot_error) { enable_start_cpu0 = 1; *cpu0_nmi_registered = 1; - if (apic->irq_dest_mode) - id = cpu0_logical_apicid; - else - id = apicid; + id = apic->dest_mode_logical ? cpu0_logical_apicid : apicid; boot_error = wakeup_secondary_cpu_via_nmi(id, start_ip); } diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c index e7020d162949..1a536a187d74 100644 --- a/arch/x86/platform/uv/uv_irq.c +++ b/arch/x86/platform/uv/uv_irq.c @@ -36,7 +36,7 @@ static void uv_program_mmr(struct irq_cfg *cfg, struct uv_irq_2_mmr_pnode *info) entry = (struct uv_IO_APIC_route_entry *)&mmr_value; entry->vector = cfg->vector; entry->delivery_mode = apic->delivery_mode; - entry->dest_mode = apic->irq_dest_mode; + entry->dest_mode = apic->dest_mode_logical; entry->polarity = 0; entry->trigger = 0; entry->mask = 0; diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c index c35c24b5bc01..0d46cc283cf5 100644 --- a/arch/x86/xen/apic.c +++ b/arch/x86/xen/apic.c @@ -148,8 +148,7 @@ static struct apic xen_pv_apic = { .apic_id_valid = xen_id_always_valid, .apic_id_registered = xen_id_always_registered, - /* .irq_delivery_mode - used in native_compose_msi_msg only */ - /* .irq_dest_mode - used in native_compose_msi_msg only */ + /* .delivery_mode and .dest_mode_logical not used by XENPV */ .disable_esr = 0, diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index f696ac7c5f89..ba74a722a400 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -893,7 +893,7 @@ struct amd_ir_data { }; struct amd_irte_ops { - void (*prepare)(void *, u32, u32, u8, u32, int); + void (*prepare)(void *, u32, bool, u8, u32, int); void (*activate)(void *, u16, u16); void (*deactivate)(void *, u16, u16); void (*set_affinity)(void *, u16, u16, u8, u32); diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index bc81b91f89fe..d7f0c8908602 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -3466,7 +3466,7 @@ static void free_irte(u16 devid, int index) } static void irte_prepare(void *entry, - u32 delivery_mode, u32 dest_mode, + u32 delivery_mode, bool dest_mode, u8 vector, u32 dest_apicid, int devid) { union irte *irte = (union irte *) entry; @@ -3480,7 +3480,7 @@ static void irte_prepare(void *entry, } static void irte_ga_prepare(void *entry, - u32 delivery_mode, u32 dest_mode, + u32 delivery_mode, bool dest_mode, u8 vector, u32 dest_apicid, int devid) { struct irte_ga *irte = (struct irte_ga *) entry; @@ -3672,7 +3672,7 @@ static void irq_remapping_prepare_irte(struct amd_ir_data *data, data->irq_2_irte.devid = devid; data->irq_2_irte.index = index + sub_handle; iommu->irte_ops->prepare(data->entry, apic->delivery_mode, - apic->irq_dest_mode, irq_cfg->vector, + apic->dest_mode_logical, irq_cfg->vector, irq_cfg->dest_apicid, devid); switch (info->type) { @@ -3943,7 +3943,7 @@ int amd_iommu_deactivate_guest_mode(void *data) entry->hi.val = 0; entry->lo.fields_remap.valid = valid; - entry->lo.fields_remap.dm = apic->irq_dest_mode; + entry->lo.fields_remap.dm = apic->dest_mode_logical; entry->lo.fields_remap.int_type = apic->delivery_mode; entry->hi.fields.vector = cfg->vector; entry->lo.fields_remap.destination = diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c index d44e719d1984..5628d43b795e 100644 --- a/drivers/iommu/intel/irq_remapping.c +++ b/drivers/iommu/intel/irq_remapping.c @@ -1113,7 +1113,7 @@ static void prepare_irte(struct irte *irte, int vector, unsigned int dest) memset(irte, 0, sizeof(*irte)); irte->present = 1; - irte->dst_mode = apic->irq_dest_mode; + irte->dst_mode = apic->dest_mode_logical; /* * Trigger mode in the IRTE will always be edge, and for IO-APIC, the * actual level or edge trigger will be setup in the IO-APIC