From: Jared McNeill <jmcneill@invisible.ca>
To: Kamil Rytarowski <n54@gmx.com>
Cc: peter.maydell@linaro.org, ehabkost@redhat.com, slp@redhat.com,
Kamil Rytarowski <krytarowski@gmail.com>,
qemu-devel@nongnu.org, pbonzini@redhat.com, philmd@redhat.com,
max@m00nbsd.net, rth@twiddle.net
Subject: Re: [PATCH v3 4/4] Add the NVMM acceleration enlightenments
Date: Thu, 6 Feb 2020 17:07:05 -0400 (AST) [thread overview]
Message-ID: <alpine.NEB.2.21.2002061706590.671@performa.invisible.ca> (raw)
In-Reply-To: <20200206115731.13552-5-n54@gmx.com>
[-- Attachment #1: Type: text/plain, Size: 5330 bytes --]
Tested-by: Jared McNeill <jmcneill@invisible.ca>
On Thu, 6 Feb 2020, Kamil Rytarowski wrote:
> From: Maxime Villard <max@m00nbsd.net>
>
> Implements the NVMM accelerator cpu enlightenments to actually use the nvmm-all
> accelerator on NetBSD platforms.
>
> Signed-off-by: Maxime Villard <max@m00nbsd.net>
> Signed-off-by: Kamil Rytarowski <n54@gmx.com>
> Reviewed-by: Sergio Lopez <slp@redhat.com>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> cpus.c | 58 +++++++++++++++++++++++++++++++++++++++
> include/sysemu/hw_accel.h | 14 ++++++++++
> target/i386/helper.c | 2 +-
> 3 files changed, 73 insertions(+), 1 deletion(-)
>
> diff --git a/cpus.c b/cpus.c
> index b4f8b84b61..f833da4a60 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -42,6 +42,7 @@
> #include "sysemu/hax.h"
> #include "sysemu/hvf.h"
> #include "sysemu/whpx.h"
> +#include "sysemu/nvmm.h"
> #include "exec/exec-all.h"
>
> #include "qemu/thread.h"
> @@ -1670,6 +1671,48 @@ static void *qemu_whpx_cpu_thread_fn(void *arg)
> return NULL;
> }
>
> +static void *qemu_nvmm_cpu_thread_fn(void *arg)
> +{
> + CPUState *cpu = arg;
> + int r;
> +
> + assert(nvmm_enabled());
> +
> + rcu_register_thread();
> +
> + qemu_mutex_lock_iothread();
> + qemu_thread_get_self(cpu->thread);
> + cpu->thread_id = qemu_get_thread_id();
> + current_cpu = cpu;
> +
> + r = nvmm_init_vcpu(cpu);
> + if (r < 0) {
> + fprintf(stderr, "nvmm_init_vcpu failed: %s\n", strerror(-r));
> + exit(1);
> + }
> +
> + /* signal CPU creation */
> + cpu->created = true;
> + qemu_cond_signal(&qemu_cpu_cond);
> +
> + do {
> + if (cpu_can_run(cpu)) {
> + r = nvmm_vcpu_exec(cpu);
> + if (r == EXCP_DEBUG) {
> + cpu_handle_guest_debug(cpu);
> + }
> + }
> + qemu_wait_io_event(cpu);
> + } while (!cpu->unplug || cpu_can_run(cpu));
> +
> + nvmm_destroy_vcpu(cpu);
> + cpu->created = false;
> + qemu_cond_signal(&qemu_cpu_cond);
> + qemu_mutex_unlock_iothread();
> + rcu_unregister_thread();
> + return NULL;
> +}
> +
> #ifdef _WIN32
> static void CALLBACK dummy_apc_func(ULONG_PTR unused)
> {
> @@ -2038,6 +2081,19 @@ static void qemu_whpx_start_vcpu(CPUState *cpu)
> #endif
> }
>
> +static void qemu_nvmm_start_vcpu(CPUState *cpu)
> +{
> + char thread_name[VCPU_THREAD_NAME_SIZE];
> +
> + cpu->thread = g_malloc0(sizeof(QemuThread));
> + cpu->halt_cond = g_malloc0(sizeof(QemuCond));
> + qemu_cond_init(cpu->halt_cond);
> + snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/NVMM",
> + cpu->cpu_index);
> + qemu_thread_create(cpu->thread, thread_name, qemu_nvmm_cpu_thread_fn,
> + cpu, QEMU_THREAD_JOINABLE);
> +}
> +
> static void qemu_dummy_start_vcpu(CPUState *cpu)
> {
> char thread_name[VCPU_THREAD_NAME_SIZE];
> @@ -2078,6 +2134,8 @@ void qemu_init_vcpu(CPUState *cpu)
> qemu_tcg_init_vcpu(cpu);
> } else if (whpx_enabled()) {
> qemu_whpx_start_vcpu(cpu);
> + } else if (nvmm_enabled()) {
> + qemu_nvmm_start_vcpu(cpu);
> } else {
> qemu_dummy_start_vcpu(cpu);
> }
> diff --git a/include/sysemu/hw_accel.h b/include/sysemu/hw_accel.h
> index 0ec2372477..dbfa7a02f9 100644
> --- a/include/sysemu/hw_accel.h
> +++ b/include/sysemu/hw_accel.h
> @@ -15,6 +15,7 @@
> #include "sysemu/hax.h"
> #include "sysemu/kvm.h"
> #include "sysemu/whpx.h"
> +#include "sysemu/nvmm.h"
>
> static inline void cpu_synchronize_state(CPUState *cpu)
> {
> @@ -27,6 +28,9 @@ static inline void cpu_synchronize_state(CPUState *cpu)
> if (whpx_enabled()) {
> whpx_cpu_synchronize_state(cpu);
> }
> + if (nvmm_enabled()) {
> + nvmm_cpu_synchronize_state(cpu);
> + }
> }
>
> static inline void cpu_synchronize_post_reset(CPUState *cpu)
> @@ -40,6 +44,10 @@ static inline void cpu_synchronize_post_reset(CPUState *cpu)
> if (whpx_enabled()) {
> whpx_cpu_synchronize_post_reset(cpu);
> }
> + if (nvmm_enabled()) {
> + nvmm_cpu_synchronize_post_reset(cpu);
> + }
> +
> }
>
> static inline void cpu_synchronize_post_init(CPUState *cpu)
> @@ -53,6 +61,9 @@ static inline void cpu_synchronize_post_init(CPUState *cpu)
> if (whpx_enabled()) {
> whpx_cpu_synchronize_post_init(cpu);
> }
> + if (nvmm_enabled()) {
> + nvmm_cpu_synchronize_post_init(cpu);
> + }
> }
>
> static inline void cpu_synchronize_pre_loadvm(CPUState *cpu)
> @@ -66,6 +77,9 @@ static inline void cpu_synchronize_pre_loadvm(CPUState *cpu)
> if (whpx_enabled()) {
> whpx_cpu_synchronize_pre_loadvm(cpu);
> }
> + if (nvmm_enabled()) {
> + nvmm_cpu_synchronize_pre_loadvm(cpu);
> + }
> }
>
> #endif /* QEMU_HW_ACCEL_H */
> diff --git a/target/i386/helper.c b/target/i386/helper.c
> index c3a6e4fabe..2e79d61329 100644
> --- a/target/i386/helper.c
> +++ b/target/i386/helper.c
> @@ -981,7 +981,7 @@ 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);
> --
> 2.25.0
>
>
next prev parent reply other threads:[~2020-02-06 23:33 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200107124903.16505-1-n54@gmx.com>
2020-01-28 14:09 ` [PATCH v2 0/4] Implements the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-01-28 14:09 ` [PATCH v2 1/4] Add the NVMM vcpu API Kamil Rytarowski
2020-02-03 11:42 ` Philippe Mathieu-Daudé
2020-01-28 14:09 ` [PATCH v2 2/4] Add the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-02-03 11:41 ` Philippe Mathieu-Daudé
2020-02-03 11:56 ` Kamil Rytarowski
2020-02-03 12:10 ` Philippe Mathieu-Daudé
2020-03-02 17:12 ` Paolo Bonzini
2020-03-02 18:05 ` Kamil Rytarowski
2020-03-02 19:14 ` Maxime Villard
2020-03-02 19:40 ` Paolo Bonzini
2020-03-02 21:10 ` Kamil Rytarowski
2020-03-02 22:45 ` Paolo Bonzini
2020-03-02 17:11 ` Paolo Bonzini
2020-03-02 18:09 ` Kamil Rytarowski
2020-01-28 14:09 ` [PATCH v2 3/4] Introduce the NVMM impl Kamil Rytarowski
2020-02-03 11:51 ` Philippe Mathieu-Daudé
2020-02-05 17:22 ` Kamil Rytarowski
2020-02-05 17:47 ` Maxime Villard
2020-01-28 14:09 ` [PATCH v2 4/4] Add the NVMM acceleration enlightenments Kamil Rytarowski
2020-02-03 11:54 ` Philippe Mathieu-Daudé
2020-02-06 10:24 ` Kamil Rytarowski
2020-02-06 12:18 ` Philippe Mathieu-Daudé
2020-02-06 13:06 ` Markus Armbruster
2020-02-06 13:09 ` Philippe Mathieu-Daudé
2020-02-06 13:31 ` Kamil Rytarowski
2020-02-06 14:13 ` Markus Armbruster
2020-02-06 15:38 ` Kamil Rytarowski
2020-02-06 16:07 ` Philippe Mathieu-Daudé
2020-02-06 16:59 ` Kamil Rytarowski
2020-02-03 9:52 ` [PATCH v2 0/4] Implements the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-02-06 11:57 ` [PATCH v3 " Kamil Rytarowski
2020-02-06 11:57 ` [PATCH v3 1/4] Add the NVMM vcpu API Kamil Rytarowski
2020-02-06 21:06 ` Jared McNeill
2020-02-06 11:57 ` [PATCH v3 2/4] Add the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-02-06 21:06 ` Jared McNeill
2020-02-06 11:57 ` [PATCH v3 3/4] Introduce the NVMM impl Kamil Rytarowski
2020-02-06 21:07 ` Jared McNeill
2020-02-06 11:57 ` [PATCH v3 4/4] Add the NVMM acceleration enlightenments Kamil Rytarowski
2020-02-06 21:07 ` Jared McNeill [this message]
2020-02-06 13:13 ` [PATCH v3 0/4] Implements the NetBSD Virtual Machine Monitor accelerator no-reply
2020-02-06 13:21 ` Kamil Rytarowski
2020-02-06 16:01 ` Philippe Mathieu-Daudé
2020-02-06 21:32 ` [PATCH v4 " Kamil Rytarowski
2020-02-06 21:32 ` [PATCH v4 1/4] Add the NVMM vcpu API Kamil Rytarowski
2020-08-11 12:47 ` [PATCH v5 " Kamil Rytarowski
2020-08-11 12:47 ` [PATCH v5 2/4] Add the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-08-11 12:47 ` [PATCH v5 3/4] Introduce the NVMM impl Kamil Rytarowski
2020-08-11 12:47 ` [PATCH v5 4/4] Add the NVMM acceleration enlightenments Kamil Rytarowski
2020-08-11 13:01 ` [PATCH v5 1/4] Add the NVMM vcpu API Kamil Rytarowski
2020-08-11 13:01 ` [PATCH v5 2/4] Add the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-08-11 13:01 ` [PATCH v5 3/4] Introduce the NVMM impl Kamil Rytarowski
2020-08-11 13:01 ` [PATCH v5 4/4] Add the NVMM acceleration enlightenments Kamil Rytarowski
2020-09-04 23:28 ` [PATCH v5 1/4] Add the NVMM vcpu API Kamil Rytarowski
2020-02-06 21:32 ` [PATCH v4 2/4] Add the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-02-06 21:32 ` [PATCH v4 3/4] Introduce the NVMM impl Kamil Rytarowski
2020-02-06 23:28 ` [PATCH v4 3/4 FIXUP] " Kamil Rytarowski
2020-03-02 18:13 ` [PATCH v4 3/4] " Paolo Bonzini
2020-03-02 19:28 ` Maxime Villard
2020-03-02 19:35 ` Paolo Bonzini
2020-03-10 6:45 ` Maxime Villard
2020-03-10 10:15 ` Kamil Rytarowski
2020-03-10 10:58 ` Paolo Bonzini
2020-03-10 19:14 ` Maxime Villard
2020-03-11 18:03 ` Paolo Bonzini
2020-03-11 20:14 ` Maxime Villard
2020-03-11 20:42 ` Paolo Bonzini
2020-03-11 21:21 ` Maxime Villard
2020-03-11 21:22 ` Kamil Rytarowski
2020-03-11 21:44 ` Paolo Bonzini
2020-03-12 7:08 ` Maxime Villard
2020-07-21 13:42 ` Kamil Rytarowski
2020-02-06 21:32 ` [PATCH v4 4/4] Add the NVMM acceleration enlightenments Kamil Rytarowski
2020-02-17 9:07 ` [PATCH v4 0/4] Implements the NetBSD Virtual Machine Monitor accelerator Kamil Rytarowski
2020-02-24 15:17 ` Kamil Rytarowski
2020-03-02 17:02 ` Kamil Rytarowski
2020-03-02 17:10 ` Eduardo Habkost
2020-03-02 17:10 ` Kamil Rytarowski
2020-03-02 17:22 ` Eduardo Habkost
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