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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next prev parent 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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