From patchwork Mon Aug 7 15:57:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Johansson X-Patchwork-Id: 13344475 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 ED2F5C001B0 for ; Mon, 7 Aug 2023 15:59:15 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qT2c3-0006Jp-Pm; Mon, 07 Aug 2023 11:57:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qT2bp-0005zT-DE for qemu-devel@nongnu.org; Mon, 07 Aug 2023 11:57:29 -0400 Received: from rev.ng ([5.9.113.41]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qT2bm-0002XK-49 for qemu-devel@nongnu.org; Mon, 07 Aug 2023 11:57:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=Ot/tnnd4GUjcD2ax/eQ0Hy97cPVurBBGZtpYwOZROS0=; b=gR4bD9EUP/hKKb2IfimAEWU3zM gS8hjdgcnpQhzmZnGq5iBTSlRJA8z2xznIIIvRofWKcqHTeCMYVFBv2Pgd+D1JbtbSklO+v9A6F3m XwDq+HF3Zv46QarYH649d2FcAYFTFL2x+MLir/8qo01dRhfbF5Pb8tAT2pqnamVk8QU0=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, richard.henderson@linaro.org, pbonzini@redhat.com, philmd@linaro.org, agraf@csgraf.de, dirty@apple.com, rbolshakov@ddn.com, anielhb413@gmail.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, ysato@users.sourceforge.jp, peter.maydell@linaro.org Subject: [PATCH v2 3/9] target: Use vaddr for kvm_arch_[insert|remove]_hw_breakpoint Date: Mon, 7 Aug 2023 17:57:00 +0200 Message-ID: <20230807155706.9580-4-anjo@rev.ng> In-Reply-To: <20230807155706.9580-1-anjo@rev.ng> References: <20230807155706.9580-1-anjo@rev.ng> MIME-Version: 1.0 Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-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: , Reply-to: Anton Johansson X-Patchwork-Original-From: Anton Johansson via From: Anton Johansson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Changes the signature of the target-defined functions for inserting/removing kvm hw breakpoints. The address and length arguments are now of vaddr type, which both matches the type used internally in accel/kvm/kvm-all.c and makes the api target-agnostic. Signed-off-by: Anton Johansson Reviewed-by: Richard Henderson --- include/sysemu/kvm.h | 6 ++---- target/arm/kvm64.c | 6 ++---- target/i386/kvm/kvm.c | 8 +++----- target/ppc/kvm.c | 13 ++++++------- target/s390x/kvm/kvm.c | 6 ++---- 5 files changed, 15 insertions(+), 24 deletions(-) diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 5670306dbf..19d87b20e8 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -426,10 +426,8 @@ int kvm_arch_insert_sw_breakpoint(CPUState *cpu, struct kvm_sw_breakpoint *bp); int kvm_arch_remove_sw_breakpoint(CPUState *cpu, struct kvm_sw_breakpoint *bp); -int kvm_arch_insert_hw_breakpoint(target_ulong addr, - target_ulong len, int type); -int kvm_arch_remove_hw_breakpoint(target_ulong addr, - target_ulong len, int type); +int kvm_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type); +int kvm_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type); void kvm_arch_remove_all_hw_breakpoints(void); void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg); diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c index 94bbd9661f..4d904a1d11 100644 --- a/target/arm/kvm64.c +++ b/target/arm/kvm64.c @@ -49,8 +49,7 @@ void kvm_arm_init_debug(KVMState *s) return; } -int kvm_arch_insert_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type) { switch (type) { case GDB_BREAKPOINT_HW: @@ -65,8 +64,7 @@ int kvm_arch_insert_hw_breakpoint(target_ulong addr, } } -int kvm_arch_remove_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type) { switch (type) { case GDB_BREAKPOINT_HW: diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index ebfaf3d24c..295228cafb 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -4995,7 +4995,7 @@ MemTxAttrs kvm_arch_post_run(CPUState *cpu, struct kvm_run *run) kvm_rate_limit_on_bus_lock(); } -#ifdef CONFIG_XEN_EMU +#ifdef CONFIG_XEN_EMU /* * If the callback is asserted as a GSI (or PCI INTx) then check if * vcpu_info->evtchn_upcall_pending has been cleared, and deassert @@ -5156,8 +5156,7 @@ static int find_hw_breakpoint(target_ulong addr, int len, int type) return -1; } -int kvm_arch_insert_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type) { switch (type) { case GDB_BREAKPOINT_HW: @@ -5197,8 +5196,7 @@ int kvm_arch_insert_hw_breakpoint(target_ulong addr, return 0; } -int kvm_arch_remove_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type) { int n; diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index a8a935e267..91e73620d3 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -1444,15 +1444,15 @@ static int find_hw_watchpoint(target_ulong addr, int *flag) return -1; } -int kvm_arch_insert_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type) { - if ((nb_hw_breakpoint + nb_hw_watchpoint) >= ARRAY_SIZE(hw_debug_points)) { + const unsigned breakpoint_index = nb_hw_breakpoint + nb_hw_watchpoint; + if (breakpoint_index >= ARRAY_SIZE(hw_debug_points)) { return -ENOBUFS; } - hw_debug_points[nb_hw_breakpoint + nb_hw_watchpoint].addr = addr; - hw_debug_points[nb_hw_breakpoint + nb_hw_watchpoint].type = type; + hw_debug_points[breakpoint_index].addr = addr; + hw_debug_points[breakpoint_index].type = type; switch (type) { case GDB_BREAKPOINT_HW: @@ -1488,8 +1488,7 @@ int kvm_arch_insert_hw_breakpoint(target_ulong addr, return 0; } -int kvm_arch_remove_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type) { int n; diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c index a9e5880349..1b240fc8de 100644 --- a/target/s390x/kvm/kvm.c +++ b/target/s390x/kvm/kvm.c @@ -995,8 +995,7 @@ static int insert_hw_breakpoint(target_ulong addr, int len, int type) return 0; } -int kvm_arch_insert_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_insert_hw_breakpoint(vaddr addr, vaddr len, int type) { switch (type) { case GDB_BREAKPOINT_HW: @@ -1014,8 +1013,7 @@ int kvm_arch_insert_hw_breakpoint(target_ulong addr, return insert_hw_breakpoint(addr, len, type); } -int kvm_arch_remove_hw_breakpoint(target_ulong addr, - target_ulong len, int type) +int kvm_arch_remove_hw_breakpoint(vaddr addr, vaddr len, int type) { int size; struct kvm_hw_breakpoint *bp = find_hw_breakpoint(addr, len, type);