From: Alexandru Elisei <alexandru.elisei@arm.com>
To: Andre Przywara <andre.przywara@arm.com>,
Will Deacon <will@kernel.org>,
Julien Thierry <julien.thierry.kdev@gmail.com>
Cc: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
Marc Zyngier <maz@kernel.org>,
Sami Mujawar <sami.mujawar@arm.com>
Subject: Re: [PATCH kvmtool v2 07/22] hw/i8042: Switch to new trap handlers
Date: Mon, 8 Mar 2021 17:22:06 +0000 [thread overview]
Message-ID: <3a77522e-c3f7-7250-5a9a-0533400ce9bd@arm.com> (raw)
In-Reply-To: <20210225005915.26423-8-andre.przywara@arm.com>
Hi Andre,
On 2/25/21 12:59 AM, Andre Przywara wrote:
> Now that the PC keyboard has a trap handler adhering to the MMIO fault
> handler prototype, let's switch over to the joint registration routine.
>
> This allows us to get rid of the ioport shim routines.
>
> Make the kbd_init() function static on the way.
>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
> hw/i8042.c | 30 ++++--------------------------
> include/kvm/i8042.h | 1 -
> 2 files changed, 4 insertions(+), 27 deletions(-)
>
> diff --git a/hw/i8042.c b/hw/i8042.c
> index ab866662..20be36c4 100644
> --- a/hw/i8042.c
> +++ b/hw/i8042.c
> @@ -325,40 +325,18 @@ static void kbd_io(struct kvm_cpu *vcpu, u64 addr, u8 *data, u32 len,
> ioport__write8(data, value);
> }
>
> -/*
> - * Called when the OS has written to one of the keyboard's ports (0x60 or 0x64)
> - */
> -static bool kbd_in(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void *data, int size)
> -{
> - kbd_io(vcpu, port, data, size, false, NULL);
> -
> - return true;
> -}
> -
> -static bool kbd_out(struct ioport *ioport, struct kvm_cpu *vcpu, u16 port, void *data, int size)
> -{
> - kbd_io(vcpu, port, data, size, true, NULL);
> -
> - return true;
> -}
> -
> -static struct ioport_operations kbd_ops = {
> - .io_in = kbd_in,
> - .io_out = kbd_out,
> -};
> -
> -int kbd__init(struct kvm *kvm)
> +static int kbd__init(struct kvm *kvm)
> {
> int r;
>
> kbd_reset();
> state.kvm = kvm;
> - r = ioport__register(kvm, I8042_DATA_REG, &kbd_ops, 2, NULL);
> + r = kvm__register_pio(kvm, I8042_DATA_REG, 2, kbd_io, NULL);
> if (r < 0)
> return r;
> - r = ioport__register(kvm, I8042_COMMAND_REG, &kbd_ops, 2, NULL);
> + r = kvm__register_pio(kvm, I8042_COMMAND_REG, 2, kbd_io, NULL);
> if (r < 0) {
> - ioport__unregister(kvm, I8042_DATA_REG);
> + kvm__deregister_pio(kvm, I8042_DATA_REG);
> return r;
> }
>
> diff --git a/include/kvm/i8042.h b/include/kvm/i8042.h
> index 3b4ab688..cd4ae6bb 100644
> --- a/include/kvm/i8042.h
> +++ b/include/kvm/i8042.h
> @@ -7,6 +7,5 @@ struct kvm;
>
> void mouse_queue(u8 c);
> void kbd_queue(u8 c);
> -int kbd__init(struct kvm *kvm);
>
> #endif
Looks good, I also compile tested the code:
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Thanks,
Alex
next prev parent reply other threads:[~2021-03-08 17:22 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-25 0:58 [PATCH kvmtool v2 00/22] Unify I/O port and MMIO trap handling Andre Przywara
2021-02-25 0:58 ` [PATCH kvmtool v2 01/22] ioport: Remove ioport__setup_arch() Andre Przywara
2021-03-02 18:02 ` Alexandru Elisei
2021-02-25 0:58 ` [PATCH kvmtool v2 02/22] hw/serial: Use device abstraction for FDT generator function Andre Przywara
2021-02-25 0:58 ` [PATCH kvmtool v2 03/22] ioport: Retire .generate_fdt_node functionality Andre Przywara
2021-02-25 0:58 ` [PATCH kvmtool v2 04/22] mmio: Extend handling to include ioport emulation Andre Przywara
2021-03-03 17:58 ` Alexandru Elisei
2021-03-15 12:24 ` Andre Przywara
2021-02-25 0:58 ` [PATCH kvmtool v2 05/22] hw/i8042: Clean up data types Andre Przywara
2021-02-25 0:58 ` [PATCH kvmtool v2 06/22] hw/i8042: Refactor trap handler Andre Przywara
2021-03-08 17:16 ` Alexandru Elisei
2021-02-25 0:59 ` [PATCH kvmtool v2 07/22] hw/i8042: Switch to new trap handlers Andre Przywara
2021-03-08 17:22 ` Alexandru Elisei [this message]
2021-02-25 0:59 ` [PATCH kvmtool v2 08/22] x86/ioport: Refactor " Andre Przywara
2021-03-09 11:49 ` Alexandru Elisei
2021-03-15 12:26 ` Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 09/22] x86/ioport: Switch to new " Andre Przywara
2021-03-09 12:09 ` Alexandru Elisei
2021-03-15 12:26 ` Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 10/22] hw/rtc: Refactor " Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 11/22] hw/rtc: Switch to new trap handler Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 12/22] hw/vesa: Switch trap handling to use MMIO handler Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 13/22] hw/serial: Refactor trap handler Andre Przywara
2021-03-12 11:29 ` Alexandru Elisei
2021-03-15 12:26 ` Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 14/22] hw/serial: Switch to new trap handlers Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 15/22] vfio: Refactor ioport trap handler Andre Przywara
2021-03-09 14:21 ` Alexandru Elisei
2021-02-25 0:59 ` [PATCH kvmtool v2 16/22] vfio: Switch to new ioport trap handlers Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 17/22] virtio: Switch trap handling to use MMIO handler Andre Przywara
2021-03-09 14:43 ` Alexandru Elisei
2021-02-25 0:59 ` [PATCH kvmtool v2 18/22] pci: " Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 19/22] Remove ioport specific routines Andre Przywara
2021-03-09 15:13 ` Alexandru Elisei
2021-02-25 0:59 ` [PATCH kvmtool v2 20/22] arm: Reorganise and document memory map Andre Przywara
2021-03-09 15:46 ` Alexandru Elisei
2021-03-15 12:27 ` Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 21/22] hw/serial: ARM/arm64: Use MMIO at higher addresses Andre Przywara
2021-03-09 16:02 ` Alexandru Elisei
2021-03-15 12:27 ` Andre Przywara
2021-02-25 0:59 ` [PATCH kvmtool v2 22/22] hw/rtc: " Andre Przywara
2021-03-09 16:06 ` Alexandru Elisei
2021-03-02 17:57 ` [PATCH kvmtool v2 00/22] Unify I/O port and MMIO trap handling Alexandru Elisei
2021-03-03 18:41 ` Andre Przywara
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