From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: "Claudio Fontana" <cfontana@suse.de>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Eduardo Habkost" <ehabkost@redhat.com>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Markus Armbruster" <armbru@redhat.com>
Cc: Laurent Vivier <lvivier@redhat.com>,
Thomas Huth <thuth@redhat.com>,
Alistair Francis <alistair.francis@wdc.com>,
Roman Bolshakov <r.bolshakov@yadro.com>,
qemu-devel@nongnu.org
Subject: Re: [PATCH v14 18/22] accel: introduce AccelCPUClass extending CPUClass
Date: Thu, 28 Jan 2021 14:03:14 +0100 [thread overview]
Message-ID: <64d8385c-db22-b647-2402-3840b0e0e9b5@redhat.com> (raw)
In-Reply-To: <20210128092814.8676-19-cfontana@suse.de>
On 1/28/21 10:28 AM, Claudio Fontana wrote:
> add a new optional interface to CPUClass,
> which allows accelerators to extend the CPUClass
> with additional accelerator-specific initializations.
>
> Add the field before tcg_ops, and mark tcg_ops as
> needing to be last in the struct until we rework this
> further in a later patch.
>
> Signed-off-by: Claudio Fontana <cfontana@suse.de>
> ---
> include/hw/core/accel-cpu.h | 35 +++++++++++++++++++++++++++++
> include/hw/core/cpu.h | 1 +
> accel/accel-common.c | 44 +++++++++++++++++++++++++++++++++++++
> MAINTAINERS | 1 +
> 4 files changed, 81 insertions(+)
> create mode 100644 include/hw/core/accel-cpu.h
>
> diff --git a/include/hw/core/accel-cpu.h b/include/hw/core/accel-cpu.h
> new file mode 100644
> index 0000000000..246b3e2fcb
> --- /dev/null
> +++ b/include/hw/core/accel-cpu.h
> @@ -0,0 +1,35 @@
> +/*
> + * Accelerator interface, specializes CPUClass
> + *
> + * Copyright 2020 SUSE LLC
2020-2021 ;)
> + *
> + * 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 ACCEL_CPU_H
> +#define ACCEL_CPU_H
> +
> +/*
> + * these defines cannot be in cpu.h, because we are using
> + * CPU_RESOLVING_TYPE here.
> + * Use this header to define your accelerator-specific
> + * cpu-specific accelerator interfaces.
> + */
> +
> +#define TYPE_ACCEL_CPU "accel-" CPU_RESOLVING_TYPE
> +#define ACCEL_CPU_NAME(name) (name "-" TYPE_ACCEL_CPU)
> +typedef struct AccelCPUClass AccelCPUClass;
> +DECLARE_CLASS_CHECKERS(AccelCPUClass, ACCEL_CPU, TYPE_ACCEL_CPU)
> +
> +typedef struct AccelCPUClass {
> + /*< private >*/
> + ObjectClass parent_class;
> + /*< public >*/
> +
> + void (*cpu_class_init)(CPUClass *cc);
> + void (*cpu_instance_init)(CPUState *cpu);
> + void (*cpu_realizefn)(CPUState *cpu, Error **errp);
If we want callers to check errp, better have the prototype return
a boolean.
> +} AccelCPUClass;
next prev parent reply other threads:[~2021-01-28 13:04 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 9:27 [PATCH v14 00/22] i386 cleanup PART 2 Claudio Fontana
2021-01-28 9:27 ` [PATCH v14 01/22] cpu: Introduce TCGCpuOperations struct Claudio Fontana
2021-01-28 9:27 ` [PATCH v14 02/22] target/riscv: remove CONFIG_TCG, as it is always TCG Claudio Fontana
2021-01-28 18:34 ` Alex Bennée
2021-01-28 9:27 ` [PATCH v14 03/22] accel/tcg: split TCG-only code from cpu_exec_realizefn Claudio Fontana
2021-01-28 9:27 ` [PATCH v14 04/22] cpu: Move synchronize_from_tb() to tcg_ops Claudio Fontana
2021-01-28 18:58 ` Alex Bennée
2021-01-28 23:01 ` Richard Henderson
2021-01-28 9:27 ` [PATCH v14 05/22] cpu: Move cpu_exec_* " Claudio Fontana
2021-01-28 9:27 ` [PATCH v14 06/22] cpu: Move tlb_fill " Claudio Fontana
2021-01-28 9:27 ` [PATCH v14 07/22] cpu: Move debug_excp_handler " Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 08/22] target/arm: do not use cc->do_interrupt for KVM directly Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 09/22] cpu: move cc->do_interrupt to tcg_ops Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 10/22] cpu: move cc->transaction_failed " Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 11/22] cpu: move do_unaligned_access " Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 12/22] physmem: make watchpoint checking code TCG-only Claudio Fontana
2021-01-28 19:09 ` Alex Bennée
2021-01-28 9:28 ` [PATCH v14 13/22] cpu: move adjust_watchpoint_address to tcg_ops Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 14/22] cpu: move debug_check_watchpoint " Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 15/22] cpu: tcg_ops: move to tcg-cpu-ops.h, keep a pointer in CPUClass Claudio Fontana
2021-01-29 0:31 ` Richard Henderson
2021-01-29 9:00 ` Claudio Fontana
2021-01-29 19:19 ` Richard Henderson
2021-01-29 19:36 ` Eduardo Habkost
2021-01-30 9:40 ` Claudio Fontana
2021-02-02 10:01 ` Claudio Fontana
2021-02-02 10:27 ` Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 16/22] accel: extend AccelState and AccelClass to user-mode Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 17/22] accel: replace struct CpusAccel with AccelOpsClass Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 18/22] accel: introduce AccelCPUClass extending CPUClass Claudio Fontana
2021-01-28 13:03 ` Philippe Mathieu-Daudé [this message]
2021-01-28 13:22 ` Claudio Fontana
2021-01-28 16:08 ` Alex Bennée
2021-01-28 16:29 ` Philippe Mathieu-Daudé
2021-01-29 0:13 ` Richard Henderson
2021-01-30 10:53 ` Claudio Fontana
2021-01-30 19:01 ` Richard Henderson
2021-02-01 9:15 ` Alex Bennée
2021-02-01 9:22 ` Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 19/22] i386: split cpu accelerators from cpu.c, using AccelCPUClass Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 20/22] cpu: call AccelCPUClass::cpu_realizefn in cpu_exec_realizefn Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 21/22] hw/core/cpu: call qemu_init_vcpu in cpu_common_realizefn Claudio Fontana
2021-01-28 9:28 ` [PATCH v14 22/22] accel: introduce new accessor functions Claudio Fontana
2021-01-29 0:22 ` [PATCH v14 00/22] i386 cleanup PART 2 Richard Henderson
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