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From: Reinoud Zandijk <reinoud@NetBSD.org>
To: qemu-devel@nongnu.org
Cc: Eduardo Habkost <ehabkost@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Kamil Rytarowski <kamil@NetBSD.org>,
	Reinoud Zandijk <reinoud@NetBSD.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Ryo ONODERA <ryoon@netbsd.org>
Subject: [PATCH v8 3/4] Add NVMM accelerator: acceleration enlightenments
Date: Wed,  7 Apr 2021 16:16:30 +0000	[thread overview]
Message-ID: <20210407161631.1780-4-reinoud@NetBSD.org> (raw)
In-Reply-To: <20210407161631.1780-1-reinoud@NetBSD.org>

Signed-off-by: Kamil Rytarowski <kamil@NetBSD.org>
Signed-off-by: Reinoud Zandijk <reinoud@NetBSD.org>

---
 include/sysemu/hw_accel.h |  1 +
 include/sysemu/nvmm.h     | 26 ++++++++++++++++++++++++++
 target/i386/helper.c      |  2 +-
 3 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 include/sysemu/nvmm.h

diff --git a/include/sysemu/hw_accel.h b/include/sysemu/hw_accel.h
index 61672f9b32..01b5ebf442 100644
--- a/include/sysemu/hw_accel.h
+++ b/include/sysemu/hw_accel.h
@@ -16,6 +16,7 @@
 #include "sysemu/kvm.h"
 #include "sysemu/hvf.h"
 #include "sysemu/whpx.h"
+#include "sysemu/nvmm.h"
 
 void cpu_synchronize_state(CPUState *cpu);
 void cpu_synchronize_post_reset(CPUState *cpu);
diff --git a/include/sysemu/nvmm.h b/include/sysemu/nvmm.h
new file mode 100644
index 0000000000..6d216599b0
--- /dev/null
+++ b/include/sysemu/nvmm.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2019 Maxime Villard, All rights reserved.
+ *
+ * NetBSD Virtual Machine Monitor (NVMM) accelerator support.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_NVMM_H
+#define QEMU_NVMM_H
+
+#include "config-host.h"
+#include "qemu-common.h"
+
+#ifdef CONFIG_NVMM
+
+int nvmm_enabled(void);
+
+#else /* CONFIG_NVMM */
+
+#define nvmm_enabled() (0)
+
+#endif /* CONFIG_NVMM */
+
+#endif /* CONFIG_NVMM */
diff --git a/target/i386/helper.c b/target/i386/helper.c
index 618ad1c409..8c180b5b2b 100644
--- a/target/i386/helper.c
+++ b/target/i386/helper.c
@@ -495,7 +495,7 @@ void cpu_report_tpr_access(CPUX86State *env, TPRAccess access)
     X86CPU *cpu = env_archcpu(env);
     CPUState *cs = env_cpu(env);
 
-    if (kvm_enabled() || whpx_enabled()) {
+    if (kvm_enabled() || whpx_enabled() || nvmm_enabled()) {
         env->tpr_access_type = access;
 
         cpu_interrupt(cs, CPU_INTERRUPT_TPR);
-- 
2.31.1



  parent reply	other threads:[~2021-04-07 16:24 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-07 16:16 [PATCH v8 0/4] Implements the NetBSD Virtual Machine Monitor accelerator Reinoud Zandijk
2021-04-07 16:16 ` [PATCH v8 1/4] Add NVMM accelerator: configure and build logic Reinoud Zandijk
2021-04-07 16:16 ` [PATCH v8 2/4] Add NVMM accelerator: x86 CPU support Reinoud Zandijk
2021-04-07 16:16 ` Reinoud Zandijk [this message]
2021-04-07 16:16 ` [PATCH v8 4/4] Add NVMM Accelerator: add maintainers for NetBSD/NVMM Reinoud Zandijk
2021-05-08 14:27 ` [PATCH v8 0/4] Implements the NetBSD Virtual Machine Monitor accelerator Reinoud Zandijk
2021-05-09  7:56   ` Philippe Mathieu-Daudé

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