Commit edcb1342 authored by Alistair Popple's avatar Alistair Popple Committed by Alexandre Courbot
Browse files

gpu: nova-core: gsp: Add SetSystemInfo command 



Add support for sending the SetSystemInfo command, which provides
required hardware information to the GSP and is critical to its
initialization.

Signed-off-by: default avatarAlistair Popple <apopple@nvidia.com>
Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Message-ID: <20251110-gsp_boot-v9-11-8ae4058e3c0e@nvidia.com>
parent 4fd4acd9

drivers/gpu/nova-core/gsp.rs

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
};



pub(crate) mod cmdq;

pub(crate) mod commands;

mod fw;



pub(crate) use fw::{

drivers/gpu/nova-core/gsp/boot.rs

+8 −2
Original line number Diff line number Diff line
@@ -29,7 +29,10 @@ 
        FIRMWARE_VERSION, //

    },

    gpu::Chipset,

    gsp::GspFwWprMeta,

    gsp::{

        commands,

        GspFwWprMeta, //

    },

    regs,

    vbios::Vbios,

};
@@ -119,7 +122,7 @@ fn run_fwsec_frts( 
    ///

    /// Upon return, the GSP is up and running, and its runtime object given as return value.

    pub(crate) fn boot(

        self: Pin<&mut Self>,

        mut self: Pin<&mut Self>,

        pdev: &pci::Device<device::Bound>,

        bar: &Bar0,

        chipset: Chipset,
@@ -153,6 +156,9 @@ pub(crate) fn boot( 
            CoherentAllocation::<GspFwWprMeta>::alloc_coherent(dev, 1, GFP_KERNEL | __GFP_ZERO)?;

        dma_write!(wpr_meta[0] = GspFwWprMeta::new(&gsp_fw, &fb_layout))?;



        self.cmdq

            .send_command(bar, commands::SetSystemInfo::new(pdev))?;



        Ok(())

    }

}

drivers/gpu/nova-core/gsp/cmdq.rs

+0 −1
Original line number Diff line number Diff line
@@ -489,7 +489,6 @@ fn notify_gsp(bar: &Bar0) { 
    ///   written to by its [`CommandToGsp::init_variable_payload`] method.

    ///

    /// Error codes returned by the command initializers are propagated as-is.

    #[expect(unused)]

    pub(crate) fn send_command<M>(&mut self, bar: &Bar0, command: M) -> Result

    where

        M: CommandToGsp,

drivers/gpu/nova-core/gsp/commands.rs

0 → 100644
+37 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0



use kernel::{

    device,

    pci,

    prelude::*, //

};



use crate::gsp::{

    cmdq::CommandToGsp,

    fw::{

        commands::GspSetSystemInfo,

        MsgFunction, //

    },

};



/// The `GspSetSystemInfo` command.

pub(crate) struct SetSystemInfo<'a> {

    pdev: &'a pci::Device<device::Bound>,

}



impl<'a> SetSystemInfo<'a> {

    /// Creates a new `GspSetSystemInfo` command using the parameters of `pdev`.

    pub(crate) fn new(pdev: &'a pci::Device<device::Bound>) -> Self {

        Self { pdev }

    }

}



impl<'a> CommandToGsp for SetSystemInfo<'a> {

    const FUNCTION: MsgFunction = MsgFunction::GspSetSystemInfo;

    type Command = GspSetSystemInfo;

    type InitError = Error;



    fn init(&self) -> impl Init<Self::Command, Self::InitError> {

        GspSetSystemInfo::init(self.pdev)

    }

}

drivers/gpu/nova-core/gsp/fw.rs

+1 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0



pub(crate) mod commands;

mod r570_144;



// Alias to avoid repeating the version number with every use.