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From: David Gibson <david@gibson.dropbear.id.au>
To: "Cédric Le Goater" <clg@kaod.org>
Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org,
	Greg Kurz <groug@kaod.org>,
	Gustavo Romero <gromero@linux.ibm.com>
Subject: Re: [PATCH 2/8] linux-headers: Update for KVM_DEV_XIVE_GRP_SOURCE_INFO
Date: Thu, 20 Aug 2020 10:58:51 +1000	[thread overview]
Message-ID: <20200820005851.GE271315@yekko.fritz.box> (raw)
In-Reply-To: <20200819130843.2230799-3-clg@kaod.org>

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On Wed, Aug 19, 2020 at 03:08:37PM +0200, Cédric Le Goater wrote:
> To be sent with the linux-headers update when support is merged.

Ah, so this isn't ready to go just yet.

> 
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
> ---
>  linux-headers/asm-powerpc/kvm.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
> index 264e266a85bf..aeb8e8c4633b 100644
> --- a/linux-headers/asm-powerpc/kvm.h
> +++ b/linux-headers/asm-powerpc/kvm.h
> @@ -690,6 +690,7 @@ struct kvm_ppc_cpu_char {
>  #define KVM_DEV_XIVE_GRP_SOURCE_CONFIG	3	/* 64-bit source identifier */
>  #define KVM_DEV_XIVE_GRP_EQ_CONFIG	4	/* 64-bit EQ identifier */
>  #define KVM_DEV_XIVE_GRP_SOURCE_SYNC	5       /* 64-bit source identifier */
> +#define KVM_DEV_XIVE_GRP_SOURCE_INFO	6       /* 64-bit source identifier */
>  
>  /* Layout of 64-bit XIVE source attribute values */
>  #define KVM_XIVE_LEVEL_SENSITIVE	(1ULL << 0)
> @@ -721,6 +722,13 @@ struct kvm_ppc_xive_eq {
>  	__u8  pad[40];
>  };
>  
> +#define KVM_XIVE_SOURCE_FLAG_STORE_EOI	0x00000001
> +
> +/* Layout of source characteristics (8 bytes) */
> +struct kvm_ppc_xive_src {
> +	__u64 flags;
> +};
> +
>  #define KVM_XIVE_EQ_ALWAYS_NOTIFY	0x00000001
>  
>  #define KVM_XIVE_TIMA_PAGE_OFFSET	0

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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  reply	other threads:[~2020-08-20  1:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-19 13:08 [PATCH 0/8] spapr/xive: Activate StoreEOI in P10 compat guests Cédric Le Goater
2020-08-19 13:08 ` [PATCH 1/8] spapr/xive: Add a 'hv-prio' property to represent the KVM escalation priority Cédric Le Goater
2020-08-20  0:58   ` David Gibson
2020-08-19 13:08 ` [PATCH 2/8] linux-headers: Update for KVM_DEV_XIVE_GRP_SOURCE_INFO Cédric Le Goater
2020-08-20  0:58   ` David Gibson [this message]
2020-08-20  6:49     ` Cédric Le Goater
2020-08-19 13:08 ` [PATCH 3/8] spapr/xive: Query the characteristics of a source in KVM Cédric Le Goater
2020-08-20  1:33   ` David Gibson
2020-08-20  6:58     ` Cédric Le Goater
2020-08-19 13:08 ` [PATCH 4/8] spapr/xive: Activate StoreEOI for POWER10 only Cédric Le Goater
2020-08-19 13:08 ` [PATCH 5/8] spapr/xive: Enforce the load-after-store ordering Cédric Le Goater
2020-08-19 13:08 ` [PATCH 6/8] spapr/xive: Activate StoreEOI by default Cédric Le Goater
2020-08-19 13:08 ` [PATCH 7/8] spapr/xive: Use the xics flag to check for XIVE-only IRQ backends Cédric Le Goater
2020-08-20  1:36   ` David Gibson
2020-08-20  6:59     ` Cédric Le Goater
2020-08-19 13:08 ` [PATCH 8/8] spapr/xive: Introduce a XIVE StoreEOI IRQ backend Cédric Le Goater

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