From: "Eliot Courtney" <ecourtney@nvidia.com>
To: "Alexandre Courbot" <acourbot@nvidia.com>,
"Eliot Courtney" <ecourtney@nvidia.com>
Cc: "Danilo Krummrich" <dakr@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>, "Zhi Wang" <zhiw@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Joel Fernandes" <joelagnelf@nvidia.com>,
nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org,
dri-devel <dri-devel-bounces@lists.freedesktop.org>
Subject: Re: [PATCH v5 7/9] gpu: nova-core: gsp: add `size_in_bytes` helper to `CommandToGsp`
Date: Wed, 04 Mar 2026 12:10:18 +0900 [thread overview]
Message-ID: <DGTO2EIVVL2C.26IA2WATTEA9U@nvidia.com> (raw)
In-Reply-To: <DGTNPPB7GUP0.KDZGQ9AHPOG2@nvidia.com>
On Wed Mar 4, 2026 at 11:53 AM JST, Alexandre Courbot wrote:
> On Wed Mar 4, 2026 at 10:42 AM JST, Eliot Courtney wrote:
>> Add a default method to `CommandToGsp` which computes the size of a
>> command.
>>
>> Tested-by: Zhi Wang <zhiw@nvidia.com>
>> Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
>> ---
>> drivers/gpu/nova-core/gsp/cmdq.rs | 12 +++++++++---
>> 1 file changed, 9 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/gpu/nova-core/gsp/cmdq.rs b/drivers/gpu/nova-core/gsp/cmdq.rs
>> index 48cf28b41f39..3424be4e15f8 100644
>> --- a/drivers/gpu/nova-core/gsp/cmdq.rs
>> +++ b/drivers/gpu/nova-core/gsp/cmdq.rs
>> @@ -94,6 +94,12 @@ fn init_variable_payload(
>> ) -> Result {
>> Ok(())
>> }
>> +
>> + /// Total size of the command (including its variable-length payload) without the
>> + /// [`GspMsgElement`] header.
>> + fn size_in_bytes(&self) -> usize {
>
> We usually don't specify the unit in the method name (the doccomment is
> a better place for that). I can fix this when applying.
Thanks, I will make a note of this so I don't make this mistake again. I
wanted to clarify this since size for a command could mean a few things.
WARNING: multiple messages have this Message-ID (diff)
From: "Eliot Courtney" <ecourtney@nvidia.com>
To: "Alexandre Courbot" <acourbot@nvidia.com>,
"Eliot Courtney" <ecourtney@nvidia.com>
Cc: "Danilo Krummrich" <dakr@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>, "Zhi Wang" <zhiw@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Joel Fernandes" <joelagnelf@nvidia.com>,
nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org,
dri-devel <dri-devel-bounces@lists.freedesktop.org>
Subject: Re: [PATCH v5 7/9] gpu: nova-core: gsp: add `size_in_bytes` helper to `CommandToGsp`
Date: Wed, 04 Mar 2026 12:10:18 +0900 [thread overview]
Message-ID: <DGTO2EIVVL2C.26IA2WATTEA9U@nvidia.com> (raw)
In-Reply-To: <DGTNPPB7GUP0.KDZGQ9AHPOG2@nvidia.com>
On Wed Mar 4, 2026 at 11:53 AM JST, Alexandre Courbot wrote:
> On Wed Mar 4, 2026 at 10:42 AM JST, Eliot Courtney wrote:
>> Add a default method to `CommandToGsp` which computes the size of a
>> command.
>>
>> Tested-by: Zhi Wang <zhiw@nvidia.com>
>> Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
>> ---
>> drivers/gpu/nova-core/gsp/cmdq.rs | 12 +++++++++---
>> 1 file changed, 9 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/gpu/nova-core/gsp/cmdq.rs b/drivers/gpu/nova-core/gsp/cmdq.rs
>> index 48cf28b41f39..3424be4e15f8 100644
>> --- a/drivers/gpu/nova-core/gsp/cmdq.rs
>> +++ b/drivers/gpu/nova-core/gsp/cmdq.rs
>> @@ -94,6 +94,12 @@ fn init_variable_payload(
>> ) -> Result {
>> Ok(())
>> }
>> +
>> + /// Total size of the command (including its variable-length payload) without the
>> + /// [`GspMsgElement`] header.
>> + fn size_in_bytes(&self) -> usize {
>
> We usually don't specify the unit in the method name (the doccomment is
> a better place for that). I can fix this when applying.
Thanks, I will make a note of this so I don't make this mistake again. I
wanted to clarify this since size for a command could mean a few things.
next prev parent reply other threads:[~2026-03-04 3:10 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-04 1:42 [PATCH v5 0/9] gpu: nova-core: gsp: add continuation record support Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 1/9] gpu: nova-core: gsp: sort `MsgFunction` variants alphabetically Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 2/9] gpu: nova-core: gsp: add mechanism to wait for space on command queue Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 11:39 ` Danilo Krummrich
2026-03-04 11:39 ` Danilo Krummrich
2026-03-05 7:37 ` Eliot Courtney
2026-03-05 7:37 ` Eliot Courtney
2026-03-05 7:50 ` John Hubbard
2026-03-05 7:50 ` John Hubbard
2026-03-05 8:01 ` Eliot Courtney
2026-03-05 8:01 ` Eliot Courtney
2026-03-05 10:38 ` Alexandre Courbot
2026-03-05 10:38 ` Alexandre Courbot
2026-03-05 11:16 ` Danilo Krummrich
2026-03-05 11:16 ` Danilo Krummrich
2026-03-06 0:48 ` Alexandre Courbot
2026-03-06 0:48 ` Alexandre Courbot
2026-03-06 1:46 ` Gary Guo
2026-03-06 1:46 ` Gary Guo
2026-03-06 11:03 ` Danilo Krummrich
2026-03-06 11:03 ` Danilo Krummrich
2026-03-06 5:21 ` Alexandre Courbot
2026-03-06 5:21 ` Alexandre Courbot
2026-03-04 1:42 ` [PATCH v5 3/9] rust: add EMSGSIZE error code Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 4/9] gpu: nova-core: gsp: add checking oversized commands Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 5/9] gpu: nova-core: gsp: clarify invariant on command queue Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 6/9] gpu: nova-core: gsp: unconditionally call variable payload handling Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 7/9] gpu: nova-core: gsp: add `size_in_bytes` helper to `CommandToGsp` Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 2:53 ` Alexandre Courbot
2026-03-04 2:53 ` Alexandre Courbot
2026-03-04 3:10 ` Eliot Courtney [this message]
2026-03-04 3:10 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 8/9] gpu: nova-core: gsp: support large RPCs via continuation record Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
2026-03-04 1:42 ` [PATCH v5 9/9] gpu: nova-core: gsp: add tests for continuation records Eliot Courtney
2026-03-04 1:42 ` Eliot Courtney
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