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gpu: nova-core: vbios: replace pci::Device with device::Device

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The passed pci::Device is exclusively used for logging purposes, so it
can be replaced by a regular device::Device, which allows us to remove
the `as_ref()` indirections at each logging site.

Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20250808-vbios_device-v1-1-834bbbab6471@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
This commit is contained in:
Alexandre Courbot
2025-08-08 11:46:41 +09:00
parent 09f90256e8
commit dff11511d1
2 changed files with 57 additions and 80 deletions
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2
drivers/gpu/nova-core/gpu.rs
View File

@@ -298,7 +298,7 @@ pub(crate) fn new(
let fb_layout = FbLayout::new(spec.chipset, bar)?;
dev_dbg!(pdev.as_ref(), "{:#x?}\n", fb_layout);
let bios = Vbios::new(pdev, bar)?;
let bios = Vbios::new(pdev.as_ref(), bar)?;
Self::run_fwsec_frts(pdev.as_ref(), &gsp_falcon, bar, &bios, &fb_layout)?;

135
drivers/gpu/nova-core/vbios.rs
View File

@@ -8,7 +8,6 @@
use core::convert::TryFrom;
use kernel::device;
use kernel::error::Result;
use kernel::pci;
use kernel::prelude::*;
/// The offset of the VBIOS ROM in the BAR0 space.
@@ -31,7 +30,7 @@
/// Vbios Reader for constructing the VBIOS data.
struct VbiosIterator<'a> {
pdev: &'a pci::Device,
dev: &'a device::Device,
bar0: &'a Bar0,
/// VBIOS data vector: As BIOS images are scanned, they are added to this vector for reference
/// or copying into other data structures. It is the entire scanned contents of the VBIOS which
@@ -46,9 +45,9 @@ struct VbiosIterator<'a> {
}
impl<'a> VbiosIterator<'a> {
fn new(pdev: &'a pci::Device, bar0: &'a Bar0) -> Result<Self> {
fn new(dev: &'a device::Device, bar0: &'a Bar0) -> Result<Self> {
Ok(Self {
pdev,
dev,
bar0,
data: KVec::new(),
current_offset: 0,
@@ -64,7 +63,7 @@ fn read_more(&mut self, len: usize) -> Result {
// Ensure length is a multiple of 4 for 32-bit reads
if len % core::mem::size_of::<u32>() != 0 {
dev_err!(
self.pdev.as_ref(),
self.dev,
"VBIOS read length {} is not a multiple of 4\n",
len
);
@@ -89,7 +88,7 @@ fn read_more(&mut self, len: usize) -> Result {
/// Read bytes at a specific offset, filling any gap.
fn read_more_at_offset(&mut self, offset: usize, len: usize) -> Result {
if offset > BIOS_MAX_SCAN_LEN {
dev_err!(self.pdev.as_ref(), "Error: exceeded BIOS scan limit.\n");
dev_err!(self.dev, "Error: exceeded BIOS scan limit.\n");
return Err(EINVAL);
}
@@ -115,7 +114,7 @@ fn read_bios_image_at_offset(
if offset + len > data_len {
self.read_more_at_offset(offset, len).inspect_err(|e| {
dev_err!(
self.pdev.as_ref(),
self.dev,
"Failed to read more at offset {:#x}: {:?}\n",
offset,
e
@@ -123,9 +122,9 @@ fn read_bios_image_at_offset(
})?;
}
BiosImage::new(self.pdev, &self.data[offset..offset + len]).inspect_err(|err| {
BiosImage::new(self.dev, &self.data[offset..offset + len]).inspect_err(|err| {
dev_err!(
self.pdev.as_ref(),
self.dev,
"Failed to {} at offset {:#x}: {:?}\n",
context,
offset,
@@ -146,10 +145,7 @@ fn next(&mut self) -> Option<Self::Item> {
}
if self.current_offset > BIOS_MAX_SCAN_LEN {
dev_err!(
self.pdev.as_ref(),
"Error: exceeded BIOS scan limit, stopping scan\n"
);
dev_err!(self.dev, "Error: exceeded BIOS scan limit, stopping scan\n");
return None;
}
@@ -192,18 +188,18 @@ impl Vbios {
/// Probe for VBIOS extraction.
///
/// Once the VBIOS object is built, `bar0` is not read for [`Vbios`] purposes anymore.
pub(crate) fn new(pdev: &pci::Device, bar0: &Bar0) -> Result<Vbios> {
pub(crate) fn new(dev: &device::Device, bar0: &Bar0) -> Result<Vbios> {
// Images to extract from iteration
let mut pci_at_image: Option<PciAtBiosImage> = None;
let mut first_fwsec_image: Option<FwSecBiosBuilder> = None;
let mut second_fwsec_image: Option<FwSecBiosBuilder> = None;
// Parse all VBIOS images in the ROM
for image_result in VbiosIterator::new(pdev, bar0)? {
for image_result in VbiosIterator::new(dev, bar0)? {
let full_image = image_result?;
dev_dbg!(
pdev.as_ref(),
dev,
"Found BIOS image: size: {:#x}, type: {}, last: {}\n",
full_image.image_size_bytes(),
full_image.image_type_str(),
@@ -234,14 +230,14 @@ pub(crate) fn new(pdev: &pci::Device, bar0: &Bar0) -> Result<Vbios> {
(second_fwsec_image, first_fwsec_image, pci_at_image)
{
second
.setup_falcon_data(pdev, &pci_at, &first)
.inspect_err(|e| dev_err!(pdev.as_ref(), "Falcon data setup failed: {:?}\n", e))?;
.setup_falcon_data(dev, &pci_at, &first)
.inspect_err(|e| dev_err!(dev, "Falcon data setup failed: {:?}\n", e))?;
Ok(Vbios {
fwsec_image: second.build(pdev)?,
fwsec_image: second.build(dev)?,
})
} else {
dev_err!(
pdev.as_ref(),
dev,
"Missing required images for falcon data setup, skipping\n"
);
Err(EINVAL)
@@ -284,9 +280,9 @@ struct PcirStruct {
}
impl PcirStruct {
fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
fn new(dev: &device::Device, data: &[u8]) -> Result<Self> {
if data.len() < core::mem::size_of::<PcirStruct>() {
dev_err!(pdev.as_ref(), "Not enough data for PcirStruct\n");
dev_err!(dev, "Not enough data for PcirStruct\n");
return Err(EINVAL);
}
@@ -295,11 +291,7 @@ fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
// Signature should be "PCIR" (0x52494350) or "NPDS" (0x5344504e).
if &signature != b"PCIR" && &signature != b"NPDS" {
dev_err!(
pdev.as_ref(),
"Invalid signature for PcirStruct: {:?}\n",
signature
);
dev_err!(dev, "Invalid signature for PcirStruct: {:?}\n", signature);
return Err(EINVAL);
}
@@ -308,7 +300,7 @@ fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
let image_len = u16::from_le_bytes([data[16], data[17]]);
if image_len == 0 {
dev_err!(pdev.as_ref(), "Invalid image length: 0\n");
dev_err!(dev, "Invalid image length: 0\n");
return Err(EINVAL);
}
@@ -467,7 +459,7 @@ struct PciRomHeader {
}
impl PciRomHeader {
fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
fn new(dev: &device::Device, data: &[u8]) -> Result<Self> {
if data.len() < 26 {
// Need at least 26 bytes to read pciDataStrucPtr and sizeOfBlock.
return Err(EINVAL);
@@ -479,7 +471,7 @@ fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
match signature {
0xAA55 | 0xBB77 | 0x4E56 => {}
_ => {
dev_err!(pdev.as_ref(), "ROM signature unknown {:#x}\n", signature);
dev_err!(dev, "ROM signature unknown {:#x}\n", signature);
return Err(EINVAL);
}
}
@@ -538,9 +530,9 @@ struct NpdeStruct {
}
impl NpdeStruct {
fn new(pdev: &pci::Device, data: &[u8]) -> Option<Self> {
fn new(dev: &device::Device, data: &[u8]) -> Option<Self> {
if data.len() < core::mem::size_of::<Self>() {
dev_dbg!(pdev.as_ref(), "Not enough data for NpdeStruct\n");
dev_dbg!(dev, "Not enough data for NpdeStruct\n");
return None;
}
@@ -549,17 +541,13 @@ fn new(pdev: &pci::Device, data: &[u8]) -> Option<Self> {
// Signature should be "NPDE" (0x4544504E).
if &signature != b"NPDE" {
dev_dbg!(
pdev.as_ref(),
"Invalid signature for NpdeStruct: {:?}\n",
signature
);
dev_dbg!(dev, "Invalid signature for NpdeStruct: {:?}\n", signature);
return None;
}
let subimage_len = u16::from_le_bytes([data[8], data[9]]);
if subimage_len == 0 {
dev_dbg!(pdev.as_ref(), "Invalid subimage length: 0\n");
dev_dbg!(dev, "Invalid subimage length: 0\n");
return None;
}
@@ -584,7 +572,7 @@ fn image_size_bytes(&self) -> usize {
/// Try to find NPDE in the data, the NPDE is right after the PCIR.
fn find_in_data(
pdev: &pci::Device,
dev: &device::Device,
data: &[u8],
rom_header: &PciRomHeader,
pcir: &PcirStruct,
@@ -596,12 +584,12 @@ fn find_in_data(
// Check if we have enough data
if npde_start + core::mem::size_of::<Self>() > data.len() {
dev_dbg!(pdev.as_ref(), "Not enough data for NPDE\n");
dev_dbg!(dev, "Not enough data for NPDE\n");
return None;
}
// Try to create NPDE from the data
NpdeStruct::new(pdev, &data[npde_start..])
NpdeStruct::new(dev, &data[npde_start..])
}
}
@@ -669,10 +657,10 @@ fn image_size_bytes(&self) -> usize {
/// Create a [`BiosImageBase`] from a byte slice and convert it to a [`BiosImage`] which
/// triggers the constructor of the specific BiosImage enum variant.
fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
let base = BiosImageBase::new(pdev, data)?;
fn new(dev: &device::Device, data: &[u8]) -> Result<Self> {
let base = BiosImageBase::new(dev, data)?;
let image = base.into_image().inspect_err(|e| {
dev_err!(pdev.as_ref(), "Failed to create BiosImage: {:?}\n", e);
dev_err!(dev, "Failed to create BiosImage: {:?}\n", e);
})?;
Ok(image)
@@ -773,16 +761,16 @@ fn into_image(self) -> Result<BiosImage> {
}
/// Creates a new BiosImageBase from raw byte data.
fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
fn new(dev: &device::Device, data: &[u8]) -> Result<Self> {
// Ensure we have enough data for the ROM header.
if data.len() < 26 {
dev_err!(pdev.as_ref(), "Not enough data for ROM header\n");
dev_err!(dev, "Not enough data for ROM header\n");
return Err(EINVAL);
}
// Parse the ROM header.
let rom_header = PciRomHeader::new(pdev, &data[0..26])
.inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to create PciRomHeader: {:?}\n", e))?;
let rom_header = PciRomHeader::new(dev, &data[0..26])
.inspect_err(|e| dev_err!(dev, "Failed to create PciRomHeader: {:?}\n", e))?;
// Get the PCI Data Structure using the pointer from the ROM header.
let pcir_offset = rom_header.pci_data_struct_offset as usize;
@@ -791,22 +779,22 @@ fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
.ok_or(EINVAL)
.inspect_err(|_| {
dev_err!(
pdev.as_ref(),
dev,
"PCIR offset {:#x} out of bounds (data length: {})\n",
pcir_offset,
data.len()
);
dev_err!(
pdev.as_ref(),
dev,
"Consider reading more data for construction of BiosImage\n"
);
})?;
let pcir = PcirStruct::new(pdev, pcir_data)
.inspect_err(|e| dev_err!(pdev.as_ref(), "Failed to create PcirStruct: {:?}\n", e))?;
let pcir = PcirStruct::new(dev, pcir_data)
.inspect_err(|e| dev_err!(dev, "Failed to create PcirStruct: {:?}\n", e))?;
// Look for NPDE structure if this is not an NBSI image (type != 0x70).
let npde = NpdeStruct::find_in_data(pdev, data, &rom_header, &pcir);
let npde = NpdeStruct::find_in_data(dev, data, &rom_header, &pcir);
// Create a copy of the data.
let mut data_copy = KVec::new();
@@ -848,7 +836,7 @@ fn get_bit_token(&self, token_id: u8) -> Result<BitToken> {
///
/// This is just a 4 byte structure that contains a pointer to the Falcon data in the FWSEC
/// image.
fn falcon_data_ptr(&self, pdev: &pci::Device) -> Result<u32> {
fn falcon_data_ptr(&self, dev: &device::Device) -> Result<u32> {
let token = self.get_bit_token(BIT_TOKEN_ID_FALCON_DATA)?;
// Make sure we don't go out of bounds
@@ -859,14 +847,14 @@ fn falcon_data_ptr(&self, pdev: &pci::Device) -> Result<u32> {
// read the 4 bytes at the offset specified in the token
let offset = token.data_offset as usize;
let bytes: [u8; 4] = self.base.data[offset..offset + 4].try_into().map_err(|_| {
dev_err!(pdev.as_ref(), "Failed to convert data slice to array");
dev_err!(dev, "Failed to convert data slice to array");
EINVAL
})?;
let data_ptr = u32::from_le_bytes(bytes);
if (data_ptr as usize) < self.base.data.len() {
dev_err!(pdev.as_ref(), "Falcon data pointer out of bounds\n");
dev_err!(dev, "Falcon data pointer out of bounds\n");
return Err(EINVAL);
}
@@ -928,7 +916,7 @@ struct PmuLookupTable {
}
impl PmuLookupTable {
fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
fn new(dev: &device::Device, data: &[u8]) -> Result<Self> {
if data.len() < 4 {
return Err(EINVAL);
}
@@ -940,10 +928,7 @@ fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
let required_bytes = header_len + (entry_count * entry_len);
if data.len() < required_bytes {
dev_err!(
pdev.as_ref(),
"PmuLookupTable data length less than required\n"
);
dev_err!(dev, "PmuLookupTable data length less than required\n");
return Err(EINVAL);
}
@@ -956,11 +941,7 @@ fn new(pdev: &pci::Device, data: &[u8]) -> Result<Self> {
// Debug logging of entries (dumps the table data to dmesg)
for i in (header_len..required_bytes).step_by(entry_len) {
dev_dbg!(
pdev.as_ref(),
"PMU entry: {:02x?}\n",
&data[i..][..entry_len]
);
dev_dbg!(dev, "PMU entry: {:02x?}\n", &data[i..][..entry_len]);
}
Ok(PmuLookupTable {
@@ -997,11 +978,11 @@ fn find_entry_by_type(&self, entry_type: u8) -> Result<PmuLookupTableEntry> {
impl FwSecBiosBuilder {
fn setup_falcon_data(
&mut self,
pdev: &pci::Device,
dev: &device::Device,
pci_at_image: &PciAtBiosImage,
first_fwsec: &FwSecBiosBuilder,
) -> Result {
let mut offset = pci_at_image.falcon_data_ptr(pdev)? as usize;
let mut offset = pci_at_image.falcon_data_ptr(dev)? as usize;
let mut pmu_in_first_fwsec = false;
// The falcon data pointer assumes that the PciAt and FWSEC images
@@ -1025,9 +1006,9 @@ fn setup_falcon_data(
if pmu_in_first_fwsec {
self.pmu_lookup_table =
Some(PmuLookupTable::new(pdev, &first_fwsec.base.data[offset..])?);
Some(PmuLookupTable::new(dev, &first_fwsec.base.data[offset..])?);
} else {
self.pmu_lookup_table = Some(PmuLookupTable::new(pdev, &self.base.data[offset..])?);
self.pmu_lookup_table = Some(PmuLookupTable::new(dev, &self.base.data[offset..])?);
}
match self
@@ -1040,18 +1021,14 @@ fn setup_falcon_data(
let mut ucode_offset = entry.data as usize;
ucode_offset -= pci_at_image.base.data.len();
if ucode_offset < first_fwsec.base.data.len() {
dev_err!(pdev.as_ref(), "Falcon Ucode offset not in second Fwsec.\n");
dev_err!(dev, "Falcon Ucode offset not in second Fwsec.\n");
return Err(EINVAL);
}
ucode_offset -= first_fwsec.base.data.len();
self.falcon_ucode_offset = Some(ucode_offset);
}
Err(e) => {
dev_err!(
pdev.as_ref(),
"PmuLookupTableEntry not found, error: {:?}\n",
e
);
dev_err!(dev, "PmuLookupTableEntry not found, error: {:?}\n", e);
return Err(EINVAL);
}
}
@@ -1059,7 +1036,7 @@ fn setup_falcon_data(
}
/// Build the final FwSecBiosImage from this builder
fn build(self, pdev: &pci::Device) -> Result<FwSecBiosImage> {
fn build(self, dev: &device::Device) -> Result<FwSecBiosImage> {
let ret = FwSecBiosImage {
base: self.base,
falcon_ucode_offset: self.falcon_ucode_offset.ok_or(EINVAL)?,
@@ -1067,8 +1044,8 @@ fn build(self, pdev: &pci::Device) -> Result<FwSecBiosImage> {
if cfg!(debug_assertions) {
// Print the desc header for debugging
let desc = ret.header(pdev.as_ref())?;
dev_dbg!(pdev.as_ref(), "PmuLookupTableEntry desc: {:#?}\n", desc);
let desc = ret.header(dev)?;
dev_dbg!(dev, "PmuLookupTableEntry desc: {:#?}\n", desc);
}
Ok(ret)