Danilo Krummrich
2025-Jun-18 20:23 UTC
[PATCH v5 23/23] gpu: nova-core: load and run FWSEC-FRTS
On Thu, Jun 12, 2025 at 11:01:51PM +0900, Alexandre Courbot wrote:> @@ -237,6 +237,67 @@ pub(crate) fn new( > }, > )?; > > + // Check that the WPR2 region does not already exists - if it does, the GPU needs to be > + // reset. > + if regs::NV_PFB_PRI_MMU_WPR2_ADDR_HI::read(bar).hi_val() != 0 { > + dev_err!( > + pdev.as_ref(), > + "WPR2 region already exists - GPU needs to be reset to proceed\n" > + ); > + return Err(EBUSY); > + } > + > + // Reset falcon, load FWSEC-FRTS, and run it. > + gsp_falcon > + .reset(bar) > + .inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to reset GSP falcon: {:?}\n", e))?; > + gsp_falcon > + .dma_load(bar, &fwsec_frts) > + .inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to load FWSEC-FRTS: {:?}\n", e))?; > + let (mbox0, _) = gsp_falcon > + .boot(bar, Some(0), None) > + .inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to boot FWSEC-FRTS: {:?}\n", e))?; > + if mbox0 != 0 { > + dev_err!(pdev.as_ref(), "FWSEC firmware returned error {}\n", mbox0); > + return Err(EIO); > + } > + > + // SCRATCH_E contains FWSEC-FRTS' error code, if any. > + let frts_status = regs::NV_PBUS_SW_SCRATCH_0E::read(bar).frts_err_code(); > + if frts_status != 0 { > + dev_err!( > + pdev.as_ref(), > + "FWSEC-FRTS returned with error code {:#x}", > + frts_status > + ); > + return Err(EIO); > + } > + > + // Check the WPR2 has been created as we requested. > + let (wpr2_lo, wpr2_hi) = ( > + (regs::NV_PFB_PRI_MMU_WPR2_ADDR_LO::read(bar).lo_val() as u64) << 12, > + (regs::NV_PFB_PRI_MMU_WPR2_ADDR_HI::read(bar).hi_val() as u64) << 12, > + ); > + if wpr2_hi == 0 { > + dev_err!( > + pdev.as_ref(), > + "WPR2 region not created after running FWSEC-FRTS\n" > + ); > + > + return Err(EIO); > + } else if wpr2_lo != fb_layout.frts.start { > + dev_err!( > + pdev.as_ref(), > + "WPR2 region created at unexpected address {:#x}; expected {:#x}\n", > + wpr2_lo, > + fb_layout.frts.start, > + ); > + return Err(EIO); > + } > + > + dev_dbg!(pdev.as_ref(), "WPR2: {:#x}-{:#x}\n", wpr2_lo, wpr2_hi); > + dev_dbg!(pdev.as_ref(), "GPU instance built\n"); > +This makes Gpu::new() quite messy, can we move this to a separate function please?
Danilo Krummrich
2025-Jun-18 20:24 UTC
[PATCH v5 23/23] gpu: nova-core: load and run FWSEC-FRTS
On Wed, Jun 18, 2025 at 10:23:15PM +0200, Danilo Krummrich wrote:> On Thu, Jun 12, 2025 at 11:01:51PM +0900, Alexandre Courbot wrote: > > @@ -237,6 +237,67 @@ pub(crate) fn new( > > }, > > )?; > > > > + // Check that the WPR2 region does not already exists - if it does, the GPU needs to be > > + // reset. > > + if regs::NV_PFB_PRI_MMU_WPR2_ADDR_HI::read(bar).hi_val() != 0 { > > + dev_err!( > > + pdev.as_ref(), > > + "WPR2 region already exists - GPU needs to be reset to proceed\n" > > + ); > > + return Err(EBUSY); > > + } > > + > > + // Reset falcon, load FWSEC-FRTS, and run it. > > + gsp_falcon > > + .reset(bar) > > + .inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to reset GSP falcon: {:?}\n", e))?; > > + gsp_falcon > > + .dma_load(bar, &fwsec_frts) > > + .inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to load FWSEC-FRTS: {:?}\n", e))?; > > + let (mbox0, _) = gsp_falcon > > + .boot(bar, Some(0), None) > > + .inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to boot FWSEC-FRTS: {:?}\n", e))?; > > + if mbox0 != 0 { > > + dev_err!(pdev.as_ref(), "FWSEC firmware returned error {}\n", mbox0); > > + return Err(EIO); > > + } > > + > > + // SCRATCH_E contains FWSEC-FRTS' error code, if any. > > + let frts_status = regs::NV_PBUS_SW_SCRATCH_0E::read(bar).frts_err_code(); > > + if frts_status != 0 { > > + dev_err!( > > + pdev.as_ref(), > > + "FWSEC-FRTS returned with error code {:#x}", > > + frts_status > > + ); > > + return Err(EIO); > > + } > > + > > + // Check the WPR2 has been created as we requested. > > + let (wpr2_lo, wpr2_hi) = ( > > + (regs::NV_PFB_PRI_MMU_WPR2_ADDR_LO::read(bar).lo_val() as u64) << 12, > > + (regs::NV_PFB_PRI_MMU_WPR2_ADDR_HI::read(bar).hi_val() as u64) << 12, > > + ); > > + if wpr2_hi == 0 { > > + dev_err!( > > + pdev.as_ref(), > > + "WPR2 region not created after running FWSEC-FRTS\n" > > + ); > > + > > + return Err(EIO); > > + } else if wpr2_lo != fb_layout.frts.start { > > + dev_err!( > > + pdev.as_ref(), > > + "WPR2 region created at unexpected address {:#x}; expected {:#x}\n", > > + wpr2_lo, > > + fb_layout.frts.start, > > + ); > > + return Err(EIO); > > + } > > + > > + dev_dbg!(pdev.as_ref(), "WPR2: {:#x}-{:#x}\n", wpr2_lo, wpr2_hi); > > + dev_dbg!(pdev.as_ref(), "GPU instance built\n"); > > + > > This makes Gpu::new() quite messy, can we move this to a separate function > please?Actually, can't this just be a method of FwsecFirmware?