gpu: nova-core: gsp: Create wpr metadata

The GSP requires some pieces of metadata to boot. These are passed in a
struct which the GSP transfers via DMA. Create this struct and get a
handle to it for future use when booting the GSP.

Signed-off-by: Alistair Popple <apopple@nvidia.com>
Co-developed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Message-ID: <20251110-gsp_boot-v9-5-8ae4058e3c0e@nvidia.com>

2 files changed, 4 insertions, 5 deletions

diff --git a/drivers/gpu/nova-core/firmware/gsp.rs b/drivers/gpu/nova-core/firmware/gsp.rs
index 471ace238f62..0549805282ab 100644
--- a/drivers/gpu/nova-core/firmware/gsp.rs
+++ b/drivers/gpu/nova-core/firmware/gsp.rs
@@ -145,7 +145,7 @@ pub(crate) struct GspFirmware {
     /// Size in bytes of the firmware contained in [`Self::fw`].
     pub(crate) size: usize,
     /// Device-mapped GSP signatures matching the GPU's [`Chipset`].
-    signatures: DmaObject,
+    pub(crate) signatures: DmaObject,
     /// GSP bootloader, verifies the GSP firmware before loading and running it.
     pub(crate) bootloader: RiscvFirmware,
 }
@@ -231,7 +231,6 @@ impl GspFirmware {
         }))
     }
 
-    #[expect(unused)]
     /// Returns the DMA handle of the radix3 level 0 page table.
     pub(crate) fn radix3_dma_handle(&self) -> DmaAddress {
         self.level0.dma_handle()
diff --git a/drivers/gpu/nova-core/firmware/riscv.rs b/drivers/gpu/nova-core/firmware/riscv.rs
index 3838fab8f1c0..7d82fb9876e8 100644
--- a/drivers/gpu/nova-core/firmware/riscv.rs
+++ b/drivers/gpu/nova-core/firmware/riscv.rs
@@ -60,11 +60,11 @@ impl RmRiscvUCodeDesc {
 #[expect(unused)]
 pub(crate) struct RiscvFirmware {
     /// Offset at which the code starts in the firmware image.
-    code_offset: u32,
+    pub(crate) code_offset: u32,
     /// Offset at which the data starts in the firmware image.
-    data_offset: u32,
+    pub(crate) data_offset: u32,
     /// Offset at which the manifest starts in the firmware image.
-    manifest_offset: u32,
+    pub(crate) manifest_offset: u32,
     /// Application version.
     app_version: u32,
     /// Device-mapped firmware image.