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From: Alexandre Courbot <acourbot@nvidia.com>
To: "Danilo Krummrich" <dakr@kernel.org>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
	"Miguel Ojeda" <ojeda@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>,
	"Boqun Feng" <boqun@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>,
	 Alistair Popple <apopple@nvidia.com>,
	 Joel Fernandes <joelagnelf@nvidia.com>,
	Timur Tabi <ttabi@nvidia.com>,
	 Eliot Courtney <ecourtney@nvidia.com>,
	dri-devel@lists.freedesktop.org,  linux-kernel@vger.kernel.org,
	rust-for-linux@vger.kernel.org,
	 Alexandre Courbot <acourbot@nvidia.com>
Subject: [PATCH v3 4/6] gpu: nova-core: do not import firmware commands into GSP command module
Date: Wed, 22 Apr 2026 22:40:54 +0900	[thread overview]
Message-ID: <20260422-nova-unload-v3-4-1d2c81bd3ced@nvidia.com> (raw)
In-Reply-To: <20260422-nova-unload-v3-0-1d2c81bd3ced@nvidia.com>

Importing all the firmware commands like we did is a bit confusing, as
the layer of a command type (fw or GSP) cannot be inferred from looking
at its name alone. Furthermore it makes it impossible to create commands
that have the same name as their firmware command.

Thus, stop importing all commands and refer to them from the `fw` module
instead.

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
 drivers/gpu/nova-core/gsp/commands.rs | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/nova-core/gsp/commands.rs b/drivers/gpu/nova-core/gsp/commands.rs
index e81a865050e0..484aeb7dfd39 100644
--- a/drivers/gpu/nova-core/gsp/commands.rs
+++ b/drivers/gpu/nova-core/gsp/commands.rs
@@ -26,7 +26,7 @@
             NoReply, //
         },
         fw::{
-            commands::*,
+            self,
             MsgFunction, //
         },
     },
@@ -47,12 +47,12 @@ pub(crate) fn new(pdev: &'a pci::Device<device::Bound>) -> Self {
 
 impl<'a> CommandToGsp for SetSystemInfo<'a> {
     const FUNCTION: MsgFunction = MsgFunction::GspSetSystemInfo;
-    type Command = GspSetSystemInfo;
+    type Command = fw::commands::GspSetSystemInfo;
     type Reply = NoReply;
     type InitError = Error;
 
     fn init(&self) -> impl Init<Self::Command, Self::InitError> {
-        GspSetSystemInfo::init(self.pdev)
+        Self::Command::init(self.pdev)
     }
 }
 
@@ -99,12 +99,12 @@ pub(crate) fn new() -> Self {
 
 impl CommandToGsp for SetRegistry {
     const FUNCTION: MsgFunction = MsgFunction::SetRegistry;
-    type Command = PackedRegistryTable;
+    type Command = fw::commands::PackedRegistryTable;
     type Reply = NoReply;
     type InitError = Infallible;
 
     fn init(&self) -> impl Init<Self::Command, Self::InitError> {
-        PackedRegistryTable::init(Self::NUM_ENTRIES as u32, self.variable_payload_len() as u32)
+        Self::Command::init(Self::NUM_ENTRIES as u32, self.variable_payload_len() as u32)
     }
 
     fn variable_payload_len(&self) -> usize {
@@ -112,22 +112,22 @@ fn variable_payload_len(&self) -> usize {
         for i in 0..Self::NUM_ENTRIES {
             key_size += self.entries[i].key.len() + 1; // +1 for NULL terminator
         }
-        Self::NUM_ENTRIES * size_of::<PackedRegistryEntry>() + key_size
+        Self::NUM_ENTRIES * size_of::<fw::commands::PackedRegistryEntry>() + key_size
     }
 
     fn init_variable_payload(
         &self,
         dst: &mut SBufferIter<core::array::IntoIter<&mut [u8], 2>>,
     ) -> Result {
-        let string_data_start_offset =
-            size_of::<PackedRegistryTable>() + Self::NUM_ENTRIES * size_of::<PackedRegistryEntry>();
+        let string_data_start_offset = size_of::<Self::Command>()
+            + Self::NUM_ENTRIES * size_of::<fw::commands::PackedRegistryEntry>();
 
         // Array for string data.
         let mut string_data = KVec::new();
 
         for entry in self.entries.iter().take(Self::NUM_ENTRIES) {
             dst.write_all(
-                PackedRegistryEntry::new(
+                fw::commands::PackedRegistryEntry::new(
                     (string_data_start_offset + string_data.len()) as u32,
                     entry.value,
                 )
@@ -179,12 +179,12 @@ pub(crate) fn wait_gsp_init_done(cmdq: &Cmdq) -> Result {
 
 impl CommandToGsp for GetGspStaticInfo {
     const FUNCTION: MsgFunction = MsgFunction::GetGspStaticInfo;
-    type Command = GspStaticConfigInfo;
+    type Command = fw::commands::GspStaticConfigInfo;
     type Reply = GetGspStaticInfoReply;
     type InitError = Infallible;
 
     fn init(&self) -> impl Init<Self::Command, Self::InitError> {
-        GspStaticConfigInfo::init_zeroed()
+        Self::Command::init_zeroed()
     }
 }
 
@@ -195,7 +195,7 @@ pub(crate) struct GetGspStaticInfoReply {
 
 impl MessageFromGsp for GetGspStaticInfoReply {
     const FUNCTION: MsgFunction = MsgFunction::GetGspStaticInfo;
-    type Message = GspStaticConfigInfo;
+    type Message = fw::commands::GspStaticConfigInfo;
     type InitError = Infallible;
 
     fn read(

-- 
2.53.0


  parent reply	other threads:[~2026-04-22 13:41 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-22 13:40 [PATCH v3 0/6] gpu: nova-core: run unload sequence upon unbinding Alexandre Courbot
2026-04-22 13:40 ` [PATCH v3 1/6] rust: add warn_on_err macro Alexandre Courbot
2026-04-22 13:40 ` [PATCH v3 2/6] gpu: nova-core: use " Alexandre Courbot
2026-04-22 13:40 ` [PATCH v3 3/6] gpu: nova-core: remove unneeded get_gsp_info proxy function Alexandre Courbot
2026-04-23  2:32   ` Eliot Courtney
2026-04-22 13:40 ` Alexandre Courbot [this message]
2026-04-22 13:40 ` [PATCH v3 5/6] gpu: nova-core: send UNLOADING_GUEST_DRIVER GSP command upon unloading Alexandre Courbot
2026-04-23  3:00   ` Eliot Courtney
2026-04-22 13:40 ` [PATCH v3 6/6] gpu: nova-core: run Booter Unloader and FWSEC-SB upon unbinding Alexandre Courbot

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