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From: Aurelien Jarno <aurelien@aurel32.net>
To: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Gleb Natapov <gleb@redhat.com>,
	qemu-devel@nongnu.org, kvm@vger.kernel.org,
	Sanjay Lal <sanjayl@kymasys.com>
Subject: Re: [PATCH v2 08/10] hw/mips: In KVM mode, inject IRQ2 (I/O) interupts via ioctls
Date: Sat, 21 Dec 2013 16:41:36 +0100	[thread overview]
Message-ID: <20131221154136.GA9375@ohm.rr44.fr> (raw)
In-Reply-To: <1387203165-5553-9-git-send-email-james.hogan@imgtec.com>

On Mon, Dec 16, 2013 at 02:12:43PM +0000, James Hogan wrote:
> From: Sanjay Lal <sanjayl@kymasys.com>
> 
> COP0 emulation is in-kernel for KVM, so inject IRQ2 (I/O) interrupts via
> ioctls.
> 
> Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
> Signed-off-by: James Hogan <james.hogan@imgtec.com>
> Cc: Aurelien Jarno <aurelien@aurel32.net>
> ---
> Changes in v2:
>  - Expand commit message
>  - Remove #ifdef CONFIG_KVM since it's guarded by kvm_enabled() already
> ---
>  hw/mips/mips_int.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/hw/mips/mips_int.c b/hw/mips/mips_int.c
> index 7dbd24d..1b9981e 100644
> --- a/hw/mips/mips_int.c
> +++ b/hw/mips/mips_int.c
> @@ -23,6 +23,8 @@
>  #include "hw/hw.h"
>  #include "hw/mips/cpudevs.h"
>  #include "cpu.h"
> +#include "sysemu/kvm.h"
> +#include "kvm_mips.h"
>  
>  static void cpu_mips_irq_request(void *opaque, int irq, int level)
>  {
> @@ -35,8 +37,17 @@ static void cpu_mips_irq_request(void *opaque, int irq, int level)
>  
>      if (level) {
>          env->CP0_Cause |= 1 << (irq + CP0Ca_IP);
> +
> +        if (kvm_enabled() && irq == 2) {
> +            kvm_mips_set_interrupt(env, irq, level);
> +        }
> +
>      } else {
>          env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
> +
> +        if (kvm_enabled() && irq == 2) {
> +            kvm_mips_set_interrupt(env, irq, level);
> +        }
>      }
>  
>      if (env->CP0_Cause & CP0Ca_IP_mask) {

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

WARNING: multiple messages have this Message-ID (diff)
From: Aurelien Jarno <aurelien@aurel32.net>
To: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Gleb Natapov <gleb@redhat.com>,
	qemu-devel@nongnu.org, kvm@vger.kernel.org,
	Sanjay Lal <sanjayl@kymasys.com>
Subject: Re: [Qemu-devel] [PATCH v2 08/10] hw/mips: In KVM mode, inject IRQ2 (I/O) interupts via ioctls
Date: Sat, 21 Dec 2013 16:41:36 +0100	[thread overview]
Message-ID: <20131221154136.GA9375@ohm.rr44.fr> (raw)
In-Reply-To: <1387203165-5553-9-git-send-email-james.hogan@imgtec.com>

On Mon, Dec 16, 2013 at 02:12:43PM +0000, James Hogan wrote:
> From: Sanjay Lal <sanjayl@kymasys.com>
> 
> COP0 emulation is in-kernel for KVM, so inject IRQ2 (I/O) interrupts via
> ioctls.
> 
> Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
> Signed-off-by: James Hogan <james.hogan@imgtec.com>
> Cc: Aurelien Jarno <aurelien@aurel32.net>
> ---
> Changes in v2:
>  - Expand commit message
>  - Remove #ifdef CONFIG_KVM since it's guarded by kvm_enabled() already
> ---
>  hw/mips/mips_int.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/hw/mips/mips_int.c b/hw/mips/mips_int.c
> index 7dbd24d..1b9981e 100644
> --- a/hw/mips/mips_int.c
> +++ b/hw/mips/mips_int.c
> @@ -23,6 +23,8 @@
>  #include "hw/hw.h"
>  #include "hw/mips/cpudevs.h"
>  #include "cpu.h"
> +#include "sysemu/kvm.h"
> +#include "kvm_mips.h"
>  
>  static void cpu_mips_irq_request(void *opaque, int irq, int level)
>  {
> @@ -35,8 +37,17 @@ static void cpu_mips_irq_request(void *opaque, int irq, int level)
>  
>      if (level) {
>          env->CP0_Cause |= 1 << (irq + CP0Ca_IP);
> +
> +        if (kvm_enabled() && irq == 2) {
> +            kvm_mips_set_interrupt(env, irq, level);
> +        }
> +
>      } else {
>          env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
> +
> +        if (kvm_enabled() && irq == 2) {
> +            kvm_mips_set_interrupt(env, irq, level);
> +        }
>      }
>  
>      if (env->CP0_Cause & CP0Ca_IP_mask) {

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

  reply	other threads:[~2013-12-21 15:41 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-16 14:12 [PATCH v2 00/10] KVM Support for MIPS32 Processors James Hogan
2013-12-16 14:12 ` [Qemu-devel] " James Hogan
2013-12-16 14:12 ` [PATCH v2 01/10] hw/mips/cputimer: Don't start periodic timer in KVM mode James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:34   ` Aurelien Jarno
2013-12-21 15:34     ` [Qemu-devel] " Aurelien Jarno
2013-12-16 14:12 ` [PATCH v2 02/10] hw/mips: Add API to convert KVM guest KSEG0 <-> GPA James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:34   ` Aurelien Jarno
2013-12-21 15:34     ` [Qemu-devel] " Aurelien Jarno
2013-12-16 14:12 ` [PATCH v2 03/10] target-mips: get_physical_address: Add defines for segment bases James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:34   ` Aurelien Jarno
2013-12-21 15:34     ` [Qemu-devel] " Aurelien Jarno
2013-12-16 14:12 ` [PATCH v2 04/10] target-mips: get_physical_address: Add KVM awareness James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:34   ` Aurelien Jarno
2013-12-21 15:34     ` [Qemu-devel] " Aurelien Jarno
2013-12-16 14:12 ` [PATCH v2 05/10] kvm: Set sigmask length to 16 for MIPS targets James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:34   ` Aurelien Jarno
2013-12-21 15:34     ` [Qemu-devel] " Aurelien Jarno
2013-12-21 20:18   ` Peter Maydell
2013-12-21 20:18     ` Peter Maydell
2013-12-16 14:12 ` [PATCH v2 06/10] target-mips: Set target page size to 16K in KVM mode James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:34   ` Aurelien Jarno
2013-12-21 15:34     ` [Qemu-devel] " Aurelien Jarno
2013-12-16 14:12 ` [PATCH v2 07/10] target-mips: kvm: Add main KVM support for MIPS James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:35   ` Aurelien Jarno
2013-12-21 15:35     ` [Qemu-devel] " Aurelien Jarno
2014-02-10 14:07   ` Andreas Färber
2014-02-10 14:07     ` Andreas Färber
2014-02-11 10:54     ` James Hogan
2014-02-11 10:54       ` James Hogan
2013-12-16 14:12 ` [PATCH v2 08/10] hw/mips: In KVM mode, inject IRQ2 (I/O) interupts via ioctls James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:41   ` Aurelien Jarno [this message]
2013-12-21 15:41     ` Aurelien Jarno
2013-12-21 20:40   ` Peter Maydell
2013-12-21 20:40     ` Peter Maydell
2013-12-16 14:12 ` [PATCH v2 09/10] hw/mips: malta: Add KVM support James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:37   ` Aurelien Jarno
2013-12-21 15:37     ` [Qemu-devel] " Aurelien Jarno
2013-12-21 20:42   ` Peter Maydell
2013-12-21 20:42     ` Peter Maydell
2014-02-12 15:07     ` James Hogan
2014-02-12 15:07       ` [Qemu-devel] " James Hogan
2013-12-16 14:12 ` [PATCH v2 10/10] target-mips: Enable KVM support in build system James Hogan
2013-12-16 14:12   ` [Qemu-devel] " James Hogan
2013-12-21 15:38   ` Aurelien Jarno
2013-12-21 15:38     ` [Qemu-devel] " Aurelien Jarno
2013-12-21 18:59   ` Peter Maydell
2013-12-21 18:59     ` [Qemu-devel] " Peter Maydell
2013-12-23 12:31     ` James Hogan
2013-12-23 12:31       ` James Hogan

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