[PATCH v9 01/31] gpu: nova-core: Hopper/Blackwell: basic GPU identification

John Hubbard
2026-03-26T01:39:17Z

Hopper (GH100) and Blackwell identification, including ELF
.fwsignature_* items.

Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
drivers/gpu/nova-core/falcon/hal.rs | 3 ++-
drivers/gpu/nova-core/fb/hal.rs | 5 ++---
drivers/gpu/nova-core/firmware/gsp.rs | 6 ++++--
drivers/gpu/nova-core/gpu.rs | 21 +++++++++++++++++++++
4 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/nova-core/falcon/hal.rs b/drivers/gpu/nova-core/falcon/hal.rs
index a7e5ea8d0272..c7f12f2a7a35 100644
--- a/drivers/gpu/nova-core/falcon/hal.rs
+++ b/drivers/gpu/nova-core/falcon/hal.rs
@@ -80,7 +80,8 @@ pub(super) fn falcon_hal<E: FalconEngine + 'static>(
TU102 | TU104 | TU106 | TU116 | TU117 => {
KBox::new(tu102::Tu102::<E>::new(), GFP_KERNEL)? as KBox<dyn FalconHal<E>>
}
- GA102 | GA103 | GA104 | GA106 | GA107 | AD102 | AD103 | AD104 | AD106 | AD107 => {
+ GA102 | GA103 | GA104 | GA106 | GA107 | AD102 | AD103 | AD104 | AD106 | AD107 | GH100
+ | GB100 | GB102 | GB202 | GB203 | GB205 | GB206 | GB207 => {
KBox::new(ga102::Ga102::<E>::new(), GFP_KERNEL)? as KBox<dyn FalconHal<E>>
}
_ => return Err(ENOTSUPP),
diff --git a/drivers/gpu/nova-core/fb/hal.rs b/drivers/gpu/nova-core/fb/hal.rs
index aba0abd8ee00..e709affaa7e8 100644
--- a/drivers/gpu/nova-core/fb/hal.rs
+++ b/drivers/gpu/nova-core/fb/hal.rs
@@ -34,8 +34,7 @@ pub(super) fn fb_hal(chipset: Chipset) -> &'static dyn FbHal {
match chipset {
TU102 | TU104 | TU106 | TU117 | TU116 => tu102::TU102_HAL,
GA100 => ga100::GA100_HAL,
- GA102 | GA103 | GA104 | GA106 | GA107 | AD102 | AD103 | AD104 | AD106 | AD107 => {
- ga102::GA102_HAL
- }
+ GA102 | GA103 | GA104 | GA106 | GA107 | AD102 | AD103 | AD104 | AD106 | AD107 | GH100
+ | GB100 | GB102 | GB202 | GB203 | GB205 | GB206 | GB207 => ga102::GA102_HAL,
}
}
diff --git a/drivers/gpu/nova-core/firmware/gsp.rs b/drivers/gpu/nova-core/firmware/gsp.rs
index 9488a626352f..2bbea1db0238 100644
--- a/drivers/gpu/nova-core/firmware/gsp.rs
+++ b/drivers/gpu/nova-core/firmware/gsp.rs
@@ -213,8 +213,7 @@ pub(crate) fn new<'a>(
signatures: {
let sigs_section = match chipset.arch() {
Architecture::Turing
- if matches!(chipset, Chipset::TU116 | Chipset::TU117) =>
- {
+ if matches!(chipset, Chipset::TU116 | Chipset::TU117) => {
".fwsignature_tu11x"
}
Architecture::Turing => ".fwsignature_tu10x",
@@ -222,6 +221,9 @@ pub(crate) fn new<'a>(
Architecture::Ampere if chipset == Chipset::GA100 => ".fwsignature_tu10x",
Architecture::Ampere => ".fwsignature_ga10x",
Architecture::Ada => ".fwsignature_ad10x",
+ Architecture::Hopper => ".fwsignature_gh10x",
+ Architecture::BlackwellGB10x => ".fwsignature_gb10x",
+ Architecture::BlackwellGB20x => ".fwsignature_gb20x",
};

elf::elf64_section(firmware.data(), sigs_section)
diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs
index 8579d632e717..0c68bca7bf65 100644
--- a/drivers/gpu/nova-core/gpu.rs
+++ b/drivers/gpu/nova-core/gpu.rs
@@ -83,12 +83,22 @@ fn try_from(value: u32) -> Result<Self, Self::Error> {
GA104 = 0x174,
GA106 = 0x176,
GA107 = 0x177,
+ // Hopper
+ GH100 = 0x180,
// Ada
AD102 = 0x192,
AD103 = 0x193,
AD104 = 0x194,
AD106 = 0x196,
AD107 = 0x197,
+ // Blackwell
+ GB100 = 0x1a0,
+ GB102 = 0x1a2,
+ GB202 = 0x1b2,
+ GB203 = 0x1b3,
+ GB205 = 0x1b5,
+ GB206 = 0x1b6,
+ GB207 = 0x1b7,
});

impl Chipset {
@@ -100,9 +110,14 @@ pub(crate) const fn arch(self) -> Architecture {
Self::GA100 | Self::GA102 | Self::GA103 | Self::GA104 | Self::GA106 | Self::GA107 => {
Architecture::Ampere
}
+ Self::GH100 => Architecture::Hopper,
Self::AD102 | Self::AD103 | Self::AD104 | Self::AD106 | Self::AD107 => {
Architecture::Ada
}
+ Self::GB100 | Self::GB102 => Architecture::BlackwellGB10x,
+ Self::GB202 | Self::GB203 | Self::GB205 | Self::GB206 | Self::GB207 => {
+ Architecture::BlackwellGB20x
+ }
}
}

@@ -139,7 +154,10 @@ pub(crate) enum Architecture {
#[default]
Turing = 0x16,
Ampere = 0x17,
+ Hopper = 0x18,
Ada = 0x19,
+ BlackwellGB10x = 0x1a,
+ BlackwellGB20x = 0x1b,
}

impl TryFrom<u8> for Architecture {
@@ -149,7 +167,10 @@ fn try_from(value: u8) -> Result<Self> {
match value {
0x16 => Ok(Self::Turing),
0x17 => Ok(Self::Ampere),
+ 0x18 => Ok(Self::Hopper),
0x19 => Ok(Self::Ada),
+ 0x1a => Ok(Self::BlackwellGB10x),
+ 0x1b => Ok(Self::BlackwellGB20x),
_ => Err(ENODEV),
}
}
--
2.53.0