From patchwork Fri Dec 30 08:55:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Xu X-Patchwork-Id: 709676 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3tqgTk0fYlz9ssP for ; Fri, 30 Dec 2016 20:02:34 +1100 (AEDT) Received: from localhost ([::1]:38965 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMt55-0004k8-Rg for incoming@patchwork.ozlabs.org; Fri, 30 Dec 2016 04:02:31 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34479) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cMszG-0008Qx-T5 for qemu-devel@nongnu.org; Fri, 30 Dec 2016 03:56:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cMszD-0008Gy-Pt for qemu-devel@nongnu.org; Fri, 30 Dec 2016 03:56:30 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50274) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cMszD-0008G7-HJ for qemu-devel@nongnu.org; Fri, 30 Dec 2016 03:56:27 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9408A4DAF8; Fri, 30 Dec 2016 08:56:26 +0000 (UTC) Received: from pxdev.xzpeter.org (vpn1-4-51.pek2.redhat.com [10.72.4.51]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uBU8u2Lu011949; Fri, 30 Dec 2016 03:56:21 -0500 From: Peter Xu To: qemu-devel@nongnu.org, kvm@vger.kernel.org Date: Fri, 30 Dec 2016 16:55:56 +0800 Message-Id: <1483088160-6714-5-git-send-email-peterx@redhat.com> In-Reply-To: <1483088160-6714-1-git-send-email-peterx@redhat.com> References: <1483088160-6714-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 30 Dec 2016 08:56:26 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [kvm-unit-tests PATCH 4/8] x86: ioapic: generalize trigger mode X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Jones , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , peterx@redhat.com, agordeev@redhat.com, Jan Kiszka , Paolo Bonzini Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Move it out of x86/ioapic.c since it can be further re-used. Also, renaming into TRIGGER_*. Signed-off-by: Peter Xu --- lib/x86/apic.h | 6 ++++++ x86/ioapic.c | 34 ++++++++++++++++------------------ 2 files changed, 22 insertions(+), 18 deletions(-) diff --git a/lib/x86/apic.h b/lib/x86/apic.h index 192268c..699102c 100644 --- a/lib/x86/apic.h +++ b/lib/x86/apic.h @@ -18,6 +18,12 @@ typedef struct { uint8_t dest_id; } ioapic_redir_entry_t; +typedef enum trigger_mode { + TRIGGER_EDGE = 0, + TRIGGER_LEVEL, + TRIGGER_MAX, +} trigger_mode_t; + void mask_pic_interrupts(void); void eoi(void); diff --git a/x86/ioapic.c b/x86/ioapic.c index 314c9bb..e5cc259 100644 --- a/x86/ioapic.c +++ b/x86/ioapic.c @@ -5,10 +5,8 @@ #include "desc.h" #include "isr.h" -#define EDGE_TRIGGERED 0 -#define LEVEL_TRIGGERED 1 - -static void set_ioapic_redir(unsigned line, unsigned vec, unsigned trig_mode) +static void set_ioapic_redir(unsigned line, unsigned vec, + trigger_mode_t trig_mode) { ioapic_redir_entry_t e = { .vector = vec, @@ -89,7 +87,7 @@ static void ioapic_isr_76(isr_regs_t *regs) static void test_ioapic_edge_intr(void) { handle_irq(0x76, ioapic_isr_76); - set_ioapic_redir(0x0e, 0x76, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x76, TRIGGER_EDGE); toggle_irq_line(0x0e); asm volatile ("nop"); report("edge triggered intr", g_isr_76 == 1); @@ -107,7 +105,7 @@ static void ioapic_isr_77(isr_regs_t *regs) static void test_ioapic_level_intr(void) { handle_irq(0x77, ioapic_isr_77); - set_ioapic_redir(0x0e, 0x77, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x77, TRIGGER_LEVEL); set_irq_line(0x0e, 1); asm volatile ("nop"); report("level triggered intr", g_isr_77 == 1); @@ -136,8 +134,8 @@ static void test_ioapic_simultaneous(void) { handle_irq(0x78, ioapic_isr_78); handle_irq(0x66, ioapic_isr_66); - set_ioapic_redir(0x0e, 0x78, EDGE_TRIGGERED); - set_ioapic_redir(0x0f, 0x66, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x78, TRIGGER_EDGE); + set_ioapic_redir(0x0f, 0x66, TRIGGER_EDGE); irq_disable(); toggle_irq_line(0x0f); toggle_irq_line(0x0e); @@ -161,7 +159,7 @@ static void test_ioapic_edge_tmr(bool expected_tmr_before) int tmr_before; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_EDGE); tmr_before = apic_read_bit(APIC_TMR, 0x79); toggle_irq_line(0x0e); asm volatile ("nop"); @@ -175,7 +173,7 @@ static void test_ioapic_level_tmr(bool expected_tmr_before) int tmr_before; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_LEVEL); tmr_before = apic_read_bit(APIC_TMR, 0x79); set_irq_line(0x0e, 1); asm volatile ("nop"); @@ -206,7 +204,7 @@ static void test_ioapic_edge_tmr_smp(bool expected_tmr_before) g_tmr_79 = -1; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_EDGE); tmr_before = apic_read_bit(APIC_TMR, 0x79); on_cpu_async(1, toggle_irq_line_0x0e, 0); i = 0; @@ -231,7 +229,7 @@ static void test_ioapic_level_tmr_smp(bool expected_tmr_before) g_tmr_79 = -1; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_LEVEL); tmr_before = apic_read_bit(APIC_TMR, 0x79); on_cpu_async(1, set_irq_line_0x0e, 0); i = 0; @@ -258,7 +256,7 @@ static void ioapic_isr_98(isr_regs_t *regs) static void test_ioapic_level_coalesce(void) { handle_irq(0x98, ioapic_isr_98); - set_ioapic_redir(0x0e, 0x98, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x98, TRIGGER_LEVEL); set_irq_line(0x0e, 1); asm volatile ("nop"); report("coalesce simultaneous level interrupts", g_isr_98 == 1); @@ -276,7 +274,7 @@ static void ioapic_isr_99(isr_regs_t *regs) static void test_ioapic_level_sequential(void) { handle_irq(0x99, ioapic_isr_99); - set_ioapic_redir(0x0e, 0x99, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x99, TRIGGER_LEVEL); set_irq_line(0x0e, 1); set_irq_line(0x0e, 1); asm volatile ("nop"); @@ -298,7 +296,7 @@ static void test_ioapic_level_retrigger(void) int i; handle_irq(0x9a, ioapic_isr_9a); - set_ioapic_redir(0x0e, 0x9a, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x9a, TRIGGER_LEVEL); asm volatile ("cli"); set_irq_line(0x0e, 1); @@ -327,7 +325,7 @@ static void ioapic_isr_81(isr_regs_t *regs) static void test_ioapic_edge_mask(void) { handle_irq(0x81, ioapic_isr_81); - set_ioapic_redir(0x0e, 0x81, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x81, TRIGGER_EDGE); set_mask(0x0e, true); set_irq_line(0x0e, 1); @@ -355,7 +353,7 @@ static void ioapic_isr_82(isr_regs_t *regs) static void test_ioapic_level_mask(void) { handle_irq(0x82, ioapic_isr_82); - set_ioapic_redir(0x0e, 0x82, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x82, TRIGGER_LEVEL); set_mask(0x0e, true); set_irq_line(0x0e, 1); @@ -381,7 +379,7 @@ static void ioapic_isr_83(isr_regs_t *regs) static void test_ioapic_level_retrigger_mask(void) { handle_irq(0x83, ioapic_isr_83); - set_ioapic_redir(0x0e, 0x83, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x83, TRIGGER_LEVEL); set_irq_line(0x0e, 1); asm volatile ("nop");