From: Jakub Kicinski <kuba@kernel.org>
To: Abhijit Gangurde <abhijit.gangurde@amd.com>
Cc: <jgg@ziepe.ca>, <leon@kernel.org>, <brett.creeley@amd.com>,
<andrew+netdev@lunn.ch>, <davem@davemloft.net>,
<edumazet@google.com>, <pabeni@redhat.com>, <allen.hubbe@amd.com>,
<nikhil.agarwal@amd.com>, <linux-rdma@vger.kernel.org>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/4] net: ionic: Add PHC state page for user space access
Date: Wed, 1 Apr 2026 17:06:00 -0700 [thread overview]
Message-ID: <20260401170600.312a23d1@kernel.org> (raw)
In-Reply-To: <20260401102501.3395305-3-abhijit.gangurde@amd.com>
On Wed, 1 Apr 2026 15:54:59 +0530 Abhijit Gangurde wrote:
> diff --git a/include/uapi/rdma/ionic-abi.h b/include/uapi/rdma/ionic-abi.h
> index 7b589d3e9728..97f695510380 100644
> --- a/include/uapi/rdma/ionic-abi.h
> +++ b/include/uapi/rdma/ionic-abi.h
> @@ -112,4 +112,15 @@ struct ionic_srq_resp {
> __aligned_u64 rq_cmb_offset;
> };
>
> +struct ionic_phc_state {
> + __u32 seq;
> + __u32 rsvd;
> + __aligned_u64 mask;
> + __aligned_u64 tick;
> + __aligned_u64 nsec;
> + __aligned_u64 frac;
> + __u32 mult;
> + __u32 shift;
> +};
You're just exposing kernel timecounter internals.
Why is this ionic uAPI and not something reusable by other drivers?
next prev parent reply other threads:[~2026-04-02 0:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-01 10:24 [PATCH 0/4] ionic: RDMA completion timestamping support Abhijit Gangurde
2026-04-01 10:24 ` [PATCH 1/4] net: ionic: register PHC for rdma timestamping Abhijit Gangurde
2026-04-01 10:24 ` [PATCH 2/4] net: ionic: Add PHC state page for user space access Abhijit Gangurde
2026-04-02 0:06 ` Jakub Kicinski [this message]
2026-04-10 13:10 ` Allen Hubbe
2026-04-10 20:43 ` Jakub Kicinski
2026-04-10 23:44 ` Allen Hubbe
2026-04-12 14:52 ` Jakub Kicinski
2026-04-01 10:25 ` [PATCH 3/4] RDMA/ionic: map PHC state into user space Abhijit Gangurde
2026-04-01 10:25 ` [PATCH 4/4] RDMA/ionic: add completion timestamp to CQE format Abhijit Gangurde
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