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b/benches/benches/gpu_bench.rs @@ -7,10 +7,9 @@ use criterion::{black_box, criterion_group, criterion_main, Criterion}; use rvm_gpu::{ - GpuBudget, GpuContext, GpuStatus, kernel::{KernelId, LaunchConfig}, queue::{GpuQueue, QueueCommand, QueueId}, - DEFAULT_KERNEL_TIMEOUT_NS, + GpuBudget, GpuContext, GpuStatus, DEFAULT_KERNEL_TIMEOUT_NS, }; use rvm_types::PartitionId; @@ -129,11 +128,8 @@ fn bench_gpu_launch_config_validate(c: &mut Criterion) { fn bench_gpu_queue_enqueue(c: &mut Criterion) { c.bench_function("gpu_queue_enqueue_barrier", |b| { b.iter_custom(|iters| { - let mut q = GpuQueue::with_max_depth( - QueueId::new(0), - PartitionId::new(1), - iters as u32 + 1, - ); + let mut q = + GpuQueue::with_max_depth(QueueId::new(0), PartitionId::new(1), iters as u32 + 1); let cmd = QueueCommand::barrier(); let start = std::time::Instant::now(); for _ in 0..iters { @@ -145,11 +141,8 @@ fn bench_gpu_queue_enqueue(c: &mut Criterion) { c.bench_function("gpu_queue_enqueue_kernel_launch", |b| { b.iter_custom(|iters| { - let mut q = GpuQueue::with_max_depth( - QueueId::new(0), - PartitionId::new(1), - iters as u32 + 1, - ); + let mut q = + GpuQueue::with_max_depth(QueueId::new(0), PartitionId::new(1), iters as u32 + 1); let cmd = QueueCommand::kernel_launch(KernelId::new(1)); let start = std::time::Instant::now(); for _ in 0..iters { @@ -160,11 +153,7 @@ fn bench_gpu_queue_enqueue(c: &mut Criterion) { }); c.bench_function("gpu_queue_enqueue_complete_cycle", |b| { - let mut q = GpuQueue::with_max_depth( - QueueId::new(0), - PartitionId::new(1), - 256, - ); + let mut q = GpuQueue::with_max_depth(QueueId::new(0), PartitionId::new(1), 256); let cmd = QueueCommand::barrier(); b.iter(|| { let _ = q.enqueue(&cmd); diff --git a/benches/benches/rvm_bench.rs b/benches/benches/rvm_bench.rs index d44a9d7ef..fc5c482b7 100644 --- a/benches/benches/rvm_bench.rs +++ b/benches/benches/rvm_bench.rs @@ -16,15 +16,14 @@ use criterion::{black_box, criterion_group, criterion_main, Criterion}; use rvm_types::{ - ActionKind, CapRights, CapToken, CapType, CutPressure, - PartitionId, PhysAddr, WitnessRecord, + ActionKind, CapRights, CapToken, CapType, CutPressure, PartitionId, PhysAddr, WitnessRecord, }; use rvm_gpu::{ budget::GpuBudget, context::GpuContext, kernel::{KernelId, LaunchConfig}, - queue::{GpuQueue, QueueId, QueueCommand}, + queue::{GpuQueue, QueueCommand, QueueId}, }; // --------------------------------------------------------------------------- @@ -76,7 +75,8 @@ fn bench_p1_verify(c: &mut Criterion) { .unwrap(); b.iter(|| { - black_box(cap_mgr.verify_p1(idx, gen, CapRights::READ).unwrap()); + cap_mgr.verify_p1(idx, gen, CapRights::READ).unwrap(); + black_box(()); }); }); @@ -96,7 +96,8 @@ fn bench_p1_verify(c: &mut Criterion) { b.iter(|| { for _ in 0..10_000 { - black_box(cap_mgr.verify_p1(idx, gen, CapRights::READ).unwrap()); + cap_mgr.verify_p1(idx, gen, CapRights::READ).unwrap(); + black_box(()); } }); }); @@ -147,11 +148,10 @@ fn bench_p2_verify(c: &mut Criterion) { let witness_log = rvm_witness::WitnessLog::<256>::new(); let mut engine = ProofEngine::<256>::new(); - black_box( - engine - .verify_and_witness(&token, &context, &cap_mgr, &witness_log) - .unwrap(), - ); + engine + .verify_and_witness(&token, &context, &cap_mgr, &witness_log) + .unwrap(); + black_box(()); }); }); } @@ -201,7 +201,9 @@ fn bench_partition_switch(c: &mut Criterion) { // --------------------------------------------------------------------------- fn bench_coherence_score(c: &mut Criterion) { use rvm_coherence::graph::CoherenceGraph; - use rvm_coherence::scoring::{compute_coherence_score, recompute_all_scores, PartitionCoherenceResult}; + use rvm_coherence::scoring::{ + compute_coherence_score, recompute_all_scores, PartitionCoherenceResult, + }; c.bench_function("coherence_score_single_16node", |b| { let mut graph = CoherenceGraph::<16, 128>::new(); @@ -314,8 +316,7 @@ fn bench_buddy_alloc(c: &mut Criterion) { c.bench_function("buddy_alloc_order0_256", |b| { b.iter(|| { - let mut alloc = - BuddyAllocator::<256, 16>::new(PhysAddr::new(0x1000_0000)).unwrap(); + let mut alloc = BuddyAllocator::<256, 16>::new(PhysAddr::new(0x1000_0000)).unwrap(); for _ in 0..256 { let addr = alloc.alloc_pages(0).unwrap(); black_box(addr); @@ -325,8 +326,7 @@ fn bench_buddy_alloc(c: &mut Criterion) { c.bench_function("buddy_alloc_free_cycle_1000", |b| { b.iter(|| { - let mut alloc = - BuddyAllocator::<256, 16>::new(PhysAddr::new(0x1000_0000)).unwrap(); + let mut alloc = BuddyAllocator::<256, 16>::new(PhysAddr::new(0x1000_0000)).unwrap(); for _ in 0..1000 { let addr = alloc.alloc_pages(0).unwrap(); alloc.free_pages(addr, 0).unwrap(); @@ -337,8 +337,7 @@ fn bench_buddy_alloc(c: &mut Criterion) { c.bench_function("buddy_alloc_mixed_orders", |b| { b.iter(|| { - let mut alloc = - BuddyAllocator::<256, 16>::new(PhysAddr::new(0x1000_0000)).unwrap(); + let mut alloc = BuddyAllocator::<256, 16>::new(PhysAddr::new(0x1000_0000)).unwrap(); // Allocate a mix of orders. let a0 = alloc.alloc_pages(0).unwrap(); let a1 = alloc.alloc_pages(1).unwrap(); @@ -388,18 +387,13 @@ fn bench_fnv1a_hash(c: &mut Criterion) { // Bonus: Security gate throughput // --------------------------------------------------------------------------- fn bench_security_gate(c: &mut Criterion) { - use rvm_security::{SecurityGate, GateRequest}; + use rvm_security::{GateRequest, SecurityGate}; use rvm_types::WitnessHash; c.bench_function("security_gate_check_p1", |b| { let log = rvm_witness::WitnessLog::<4096>::new(); let gate = SecurityGate::new(&log); - let token = CapToken::new( - 1, - CapType::Partition, - CapRights::READ | CapRights::WRITE, - 0, - ); + let token = CapToken::new(1, CapType::Partition, CapRights::READ | CapRights::WRITE, 0); b.iter(|| { let request = GateRequest { @@ -421,12 +415,7 @@ fn bench_security_gate(c: &mut Criterion) { c.bench_function("security_gate_check_p2", |b| { let log = rvm_witness::WitnessLog::<4096>::new(); let gate = SecurityGate::new(&log); - let token = CapToken::new( - 1, - CapType::Region, - CapRights::READ | CapRights::WRITE, - 0, - ); + let token = CapToken::new(1, CapType::Region, CapRights::READ | CapRights::WRITE, 0); let commitment = WitnessHash::from_bytes([0xAB; 32]); b.iter(|| { @@ -462,8 +451,8 @@ fn bench_witness_verify_chain(c: &mut Criterion) { } let mut records = [WitnessRecord::zeroed(); 64]; - for i in 0..64 { - records[i] = log.get(i).unwrap(); + for (i, rec) in records.iter_mut().enumerate() { + *rec = log.get(i).unwrap(); } b.iter(|| { @@ -515,10 +504,10 @@ fn bench_gpu_budget_check_record(c: &mut Criterion) { c.bench_function("gpu_budget_check_record_1000", |b| { b.iter(|| { let mut budget = GpuBudget::new( - u64::MAX / 2, // large compute budget - u64::MAX / 2, // large memory budget - u64::MAX / 2, // large transfer budget - u32::MAX / 2, // large launch budget + u64::MAX / 2, // large compute budget + u64::MAX / 2, // large memory budget + u64::MAX / 2, // large transfer budget + u32::MAX / 2, // large launch budget ); for _ in 0..1000 { budget.check_compute(100).unwrap(); @@ -561,7 +550,8 @@ fn bench_gpu_launch_config_validate(c: &mut Criterion) { shared_memory_bytes: 16384, timeout_ns: 100_000_000, }; - black_box(config.validate().unwrap()); + config.validate().unwrap(); + black_box(()); } }); }); @@ -574,11 +564,7 @@ fn bench_gpu_launch_config_validate(c: &mut Criterion) { fn bench_gpu_queue_enqueue(c: &mut Criterion) { c.bench_function("gpu_queue_enqueue_1000", |b| { b.iter(|| { - let mut queue = GpuQueue::with_max_depth( - QueueId::new(0), - PartitionId::new(1), - 1024, - ); + let mut queue = GpuQueue::with_max_depth(QueueId::new(0), PartitionId::new(1), 1024); let cmd = QueueCommand::kernel_launch(KernelId::new(0)); for _ in 0..1000 { queue.enqueue(&cmd).unwrap(); diff --git a/benches/benches/witness.rs b/benches/benches/witness.rs index 5652bc230..7a789664c 100644 --- a/benches/benches/witness.rs +++ b/benches/benches/witness.rs @@ -6,7 +6,7 @@ use rvm_witness::WitnessLog; fn bench_witness_append(c: &mut Criterion) { c.bench_function("witness_log_append_256", |b| { - let mut log = WitnessLog::<256>::new(); + let log = WitnessLog::<256>::new(); b.iter(|| { black_box(log.append(WitnessRecord::zeroed())); }); diff --git a/crates/rvm-boot/src/entry.rs b/crates/rvm-boot/src/entry.rs index 305695458..d852e6c42 100644 --- a/crates/rvm-boot/src/entry.rs +++ b/crates/rvm-boot/src/entry.rs @@ -95,8 +95,7 @@ where // Parse DTB, enumerate CPUs, discover RAM size. { let tick = tick_fn(); - ctx.sequence - .begin_stage(BootStage::HardwareDetect, tick)?; + ctx.sequence.begin_stage(BootStage::HardwareDetect, tick)?; // For QEMU virt with 128 MB RAM (from Makefile -m 128M). // A real implementation would parse the DTB at ctx.dtb_ptr. @@ -138,8 +137,7 @@ where // Configure HCR_EL2, exception vectors, interrupt controller. { let tick = tick_fn(); - ctx.sequence - .begin_stage(BootStage::HypervisorMode, tick)?; + ctx.sequence.begin_stage(BootStage::HypervisorMode, tick)?; let int_config = InterruptConfig { irq_count: 256 }; hal.init_interrupts(&int_config)?; @@ -175,8 +173,7 @@ where // Emit the genesis attestation record (BOOT_COMPLETE). { let tick = tick_fn(); - ctx.sequence - .begin_stage(BootStage::FirstWitness, tick)?; + ctx.sequence.begin_stage(BootStage::FirstWitness, tick)?; let attestation = ctx.measured.get_attestation_digest(); let digest = phase_digest(BootStage::FirstWitness, &attestation); @@ -190,8 +187,7 @@ where // Hand off to the scheduler (never returns in production). { let tick = tick_fn(); - ctx.sequence - .begin_stage(BootStage::SchedulerEntry, tick)?; + ctx.sequence.begin_stage(BootStage::SchedulerEntry, tick)?; let digest = phase_digest(BootStage::SchedulerEntry, &[]); ctx.measured diff --git a/crates/rvm-boot/src/hal_init.rs b/crates/rvm-boot/src/hal_init.rs index b869b98de..307609e70 100644 --- a/crates/rvm-boot/src/hal_init.rs +++ b/crates/rvm-boot/src/hal_init.rs @@ -162,7 +162,8 @@ mod tests { page_size: 4096, }) .unwrap(); - hal.init_interrupts(&InterruptConfig { irq_count: 256 }).unwrap(); + hal.init_interrupts(&InterruptConfig { irq_count: 256 }) + .unwrap(); assert!(hal.uart_initialized); assert!(hal.mmu_initialized); diff --git a/crates/rvm-boot/src/lib.rs b/crates/rvm-boot/src/lib.rs index 5061a940c..1ec864da9 100644 --- a/crates/rvm-boot/src/lib.rs +++ b/crates/rvm-boot/src/lib.rs @@ -63,7 +63,7 @@ pub mod sequence; use rvm_types::{RvmError, RvmResult}; // Re-export key types for convenience. -pub use entry::{BootContext, run_boot_sequence}; +pub use entry::{run_boot_sequence, BootContext}; pub use hal_init::{HalInit, InterruptConfig, MmuConfig, StubHal, UartConfig}; pub use measured::MeasuredBootState; pub use sequence::{BootSequence, BootStage, PhaseTiming}; diff --git a/crates/rvm-boot/src/measured.rs b/crates/rvm-boot/src/measured.rs index 1ed63ca6c..55aafaf24 100644 --- a/crates/rvm-boot/src/measured.rs +++ b/crates/rvm-boot/src/measured.rs @@ -44,7 +44,7 @@ impl MeasuredBootState { /// The new accumulator is `SHA-256(accumulator || phase_index || hash_bytes)`. #[cfg(feature = "crypto-sha256")] pub fn extend_measurement(&mut self, phase: BootStage, hash_bytes: &[u8; 32]) { - use sha2::{Sha256, Digest}; + use sha2::{Digest, Sha256}; let idx = phase as usize; self.phase_hashes[idx] = *hash_bytes; @@ -205,7 +205,12 @@ mod tests { for (i, &stage) in stages.iter().enumerate() { state.extend_measurement(stage, &[i as u8; 32]); let current = state.get_attestation_digest(); - assert_ne!(current, prev, "digest unchanged after stage {}", stage.name()); + assert_ne!( + current, + prev, + "digest unchanged after stage {}", + stage.name() + ); prev = current; } } diff --git a/crates/rvm-boot/src/sequence.rs b/crates/rvm-boot/src/sequence.rs index dfd937393..6082e1fda 100644 --- a/crates/rvm-boot/src/sequence.rs +++ b/crates/rvm-boot/src/sequence.rs @@ -225,7 +225,10 @@ mod tests { #[test] fn test_boot_stage_next() { - assert_eq!(BootStage::ResetVector.next(), Some(BootStage::HardwareDetect)); + assert_eq!( + BootStage::ResetVector.next(), + Some(BootStage::HardwareDetect) + ); assert_eq!(BootStage::SchedulerEntry.next(), None); } @@ -271,7 +274,8 @@ mod tests { let stages = BootStage::all(); for (i, &stage) in stages.iter().enumerate() { seq.begin_stage(stage, i as u64 * 10).unwrap(); - seq.complete_stage(stage, i as u64 * 10 + 5, [0; 32]).unwrap(); + seq.complete_stage(stage, i as u64 * 10 + 5, [0; 32]) + .unwrap(); } assert!(seq.is_complete()); let result = seq.begin_stage(BootStage::ResetVector, 0); @@ -282,7 +286,8 @@ mod tests { fn test_timing() { let mut seq = BootSequence::new(); seq.begin_stage(BootStage::ResetVector, 100).unwrap(); - seq.complete_stage(BootStage::ResetVector, 200, [0; 32]).unwrap(); + seq.complete_stage(BootStage::ResetVector, 200, [0; 32]) + .unwrap(); let t = seq.timing(BootStage::ResetVector); assert_eq!(t.start_tick, 100); @@ -309,7 +314,8 @@ mod tests { let mut seq = BootSequence::new(); let digest = [0xAB_u8; 32]; seq.begin_stage(BootStage::ResetVector, 0).unwrap(); - seq.complete_stage(BootStage::ResetVector, 10, digest).unwrap(); + seq.complete_stage(BootStage::ResetVector, 10, digest) + .unwrap(); assert_eq!(*seq.witness_digest(BootStage::ResetVector), digest); } } diff --git a/crates/rvm-cap/src/derivation.rs b/crates/rvm-cap/src/derivation.rs index 36475b215..efd71d225 100644 --- a/crates/rvm-cap/src/derivation.rs +++ b/crates/rvm-cap/src/derivation.rs @@ -302,7 +302,7 @@ impl DerivationTree { let mut cursor = self.nodes[i].first_child; while cursor != u32::MAX { if cursor == child_index { - return Some(i as u32); + return Some(u32::try_from(i).unwrap_or(u32::MAX)); } let c = cursor as usize; if c >= N { diff --git a/crates/rvm-cap/src/error.rs b/crates/rvm-cap/src/error.rs index b17bb2996..c97c20a64 100644 --- a/crates/rvm-cap/src/error.rs +++ b/crates/rvm-cap/src/error.rs @@ -51,9 +51,9 @@ impl fmt::Display for CapError { impl From for RvmError { fn from(e: CapError) -> Self { match e { - CapError::InvalidHandle - | CapError::GrantNotPermitted - | CapError::RightsEscalation => RvmError::InsufficientCapability, + CapError::InvalidHandle | CapError::GrantNotPermitted | CapError::RightsEscalation => { + RvmError::InsufficientCapability + } CapError::StaleHandle | CapError::Revoked => RvmError::StaleCapability, CapError::TableFull | CapError::TreeFull => RvmError::ResourceLimitExceeded, CapError::DelegationDepthExceeded => RvmError::DelegationDepthExceeded, @@ -103,12 +103,14 @@ impl fmt::Display for ProofError { impl From for RvmError { fn from(e: ProofError) -> Self { match e { - ProofError::InvalidHandle - | ProofError::InsufficientRights => RvmError::InsufficientCapability, + ProofError::InvalidHandle | ProofError::InsufficientRights => { + RvmError::InsufficientCapability + } ProofError::StaleCapability => RvmError::StaleCapability, - ProofError::PolicyViolation => RvmError::ProofInvalid, + ProofError::PolicyViolation | ProofError::DerivationChainBroken => { + RvmError::ProofInvalid + } ProofError::P3NotImplemented => RvmError::Unsupported, - ProofError::DerivationChainBroken => RvmError::ProofInvalid, } } } diff --git a/crates/rvm-cap/src/grant.rs b/crates/rvm-cap/src/grant.rs index d11335bee..991089904 100644 --- a/crates/rvm-cap/src/grant.rs +++ b/crates/rvm-cap/src/grant.rs @@ -63,8 +63,7 @@ pub fn validate_grant( let source_rights = source.token.rights(); let has_grant = source_rights.contains(CapRights::GRANT); - let has_grant_once = policy.allow_grant_once - && source_rights.contains(CapRights::GRANT_ONCE); + let has_grant_once = policy.allow_grant_once && source_rights.contains(CapRights::GRANT_ONCE); // Source must hold GRANT or GRANT_ONCE to delegate. if !has_grant && !has_grant_once { @@ -87,12 +86,7 @@ pub fn validate_grant( let _ = badge; // Badge is carried by the slot, not the token. - let derived_token = CapToken::new( - new_id, - source.token.cap_type(), - requested_rights, - epoch, - ); + let derived_token = CapToken::new(new_id, source.token.cap_type(), requested_rights, epoch); // Signal that GRANT_ONCE should be consumed if it was the only // grant authority (source has GRANT_ONCE but not GRANT). @@ -129,7 +123,8 @@ mod tests { fn test_valid_grant() { let source = make_source(all_rights(), 0); let policy = GrantPolicy::new(); - let (token, depth, consume) = validate_grant(&source, CapRights::READ, 10, 42, 0, policy).unwrap(); + let (token, depth, consume) = + validate_grant(&source, CapRights::READ, 10, 42, 0, policy).unwrap(); assert_eq!(token.rights(), CapRights::READ); assert_eq!(depth, 1); assert!(!consume); // Source has full GRANT, so GRANT_ONCE is not consumed. @@ -204,8 +199,7 @@ mod tests { .union(CapRights::GRANT_ONCE); let source = make_source(rights, 0); let policy = GrantPolicy::new(); - let (_, _, consume) = - validate_grant(&source, CapRights::READ, 10, 0, 0, policy).unwrap(); + let (_, _, consume) = validate_grant(&source, CapRights::READ, 10, 0, 0, policy).unwrap(); assert!(!consume); } diff --git a/crates/rvm-cap/src/lib.rs b/crates/rvm-cap/src/lib.rs index ca377824b..52657355d 100644 --- a/crates/rvm-cap/src/lib.rs +++ b/crates/rvm-cap/src/lib.rs @@ -47,7 +47,7 @@ pub use derivation::{DerivationNode, DerivationTree}; pub use error::{CapError, CapResult, ProofError}; pub use grant::GrantPolicy; pub use manager::{CapManagerConfig, CapabilityManager, ManagerStats}; -pub use revoke::{RevokeResult, revoke_single}; +pub use revoke::{revoke_single, RevokeResult}; pub use table::{CapSlot, CapabilityTable}; pub use verify::ProofVerifier; diff --git a/crates/rvm-cap/src/manager.rs b/crates/rvm-cap/src/manager.rs index f151f38f7..c13ceaff1 100644 --- a/crates/rvm-cap/src/manager.rs +++ b/crates/rvm-cap/src/manager.rs @@ -247,6 +247,12 @@ impl CapabilityManager { /// Like [`grant`](Self::grant) but verifies the caller owns the /// source capability. + /// + /// # Errors + /// + /// Returns a [`CapError`] if the source capability is invalid, stale, + /// or not owned by `caller_id`, or if the requested rights exceed those + /// of the source capability. pub fn grant_checked( &mut self, source_index: u32, @@ -298,22 +304,16 @@ impl CapabilityManager { self.grant_policy, )?; - let (child_index, child_generation) = self.table.insert_derived( - derived_token, - target_owner, - depth, - source_index, - badge, - )?; + let (child_index, child_generation) = + self.table + .insert_derived(derived_token, target_owner, depth, source_index, badge)?; // Fix 7: if derivation tracking fails, roll back the table insertion. if self.config.track_derivation { - if let Err(e) = self.derivation.add_child( - source_index, - child_index, - depth, - u64::from(self.epoch), - ) { + if let Err(e) = + self.derivation + .add_child(source_index, child_index, depth, u64::from(self.epoch)) + { // Roll back the table insertion to prevent a slot leak. self.table.force_invalidate(child_index); return Err(e); @@ -347,14 +347,12 @@ impl CapabilityManager { /// /// Returns a [`CapError`] if the handle is invalid or already revoked. pub fn revoke(&mut self, index: u32, generation: u32) -> CapResult { - let result = revoke_capability( - &mut self.table, - &mut self.derivation, - index, - generation, - )?; + let result = revoke_capability(&mut self.table, &mut self.derivation, index, generation)?; - self.stats.caps_revoked = self.stats.caps_revoked.wrapping_add(result.revoked_count as u64); + self.stats.caps_revoked = self + .stats + .caps_revoked + .wrapping_add(result.revoked_count as u64); self.stats.revoke_operations = self.stats.revoke_operations.wrapping_add(1); Ok(result) @@ -371,7 +369,8 @@ impl CapabilityManager { cap_generation: u32, required_rights: CapRights, ) -> Result<(), ProofError> { - self.verifier.verify_p1(&self.table, cap_index, cap_generation, required_rights) + self.verifier + .verify_p1(&self.table, cap_index, cap_generation, required_rights) } /// P2 verification: structural invariant validation (< 100 us). @@ -385,7 +384,13 @@ impl CapabilityManager { cap_generation: u32, ctx: &PolicyContext, ) -> Result<(), ProofError> { - self.verifier.verify_p2(&self.table, &self.derivation, cap_index, cap_generation, ctx) + self.verifier.verify_p2( + &self.table, + &self.derivation, + cap_index, + cap_generation, + ctx, + ) } /// P3: Deep proof — derivation chain integrity verification. @@ -403,8 +408,13 @@ impl CapabilityManager { cap_generation: u32, max_depth: u8, ) -> Result<(), ProofError> { - self.verifier - .verify_p3(&self.table, &self.derivation, cap_index, cap_generation, max_depth) + self.verifier.verify_p3( + &self.table, + &self.derivation, + cap_index, + cap_generation, + max_depth, + ) } /// Returns a reference to the underlying table. @@ -478,10 +488,18 @@ mod tests { .unwrap(); let (c1_idx, c1_gen) = mgr - .grant(root_idx, root_gen, CapRights::READ.union(CapRights::GRANT), 1, target) + .grant( + root_idx, + root_gen, + CapRights::READ.union(CapRights::GRANT), + 1, + target, + ) .unwrap(); - let _ = mgr.grant(c1_idx, c1_gen, CapRights::READ, 2, target).unwrap(); + let _ = mgr + .grant(c1_idx, c1_gen, CapRights::READ, 2, target) + .unwrap(); assert_eq!(mgr.len(), 3); let result = mgr.revoke(root_idx, root_gen).unwrap(); @@ -494,7 +512,9 @@ mod tests { let mut mgr = CapabilityManager::<64>::new(config); let owner = PartitionId::new(1); - let (i0, g0) = mgr.create_root_capability(CapType::Region, all_rights(), 0, owner).unwrap(); + let (i0, g0) = mgr + .create_root_capability(CapType::Region, all_rights(), 0, owner) + .unwrap(); let (i1, g1) = mgr.grant(i0, g0, all_rights(), 1, owner).unwrap(); let (i2, g2) = mgr.grant(i1, g1, all_rights(), 2, owner).unwrap(); @@ -507,11 +527,16 @@ mod tests { let mut mgr = CapabilityManager::<64>::with_defaults(); let owner = PartitionId::new(1); - let (idx, gen) = mgr.create_root_capability(CapType::Region, all_rights(), 0, owner).unwrap(); + let (idx, gen) = mgr + .create_root_capability(CapType::Region, all_rights(), 0, owner) + .unwrap(); assert!(mgr.verify_p1(idx, gen, CapRights::READ).is_ok()); mgr.increment_epoch(); - assert_eq!(mgr.verify_p1(idx, gen, CapRights::READ), Err(ProofError::StaleCapability)); + assert_eq!( + mgr.verify_p1(idx, gen, CapRights::READ), + Err(ProofError::StaleCapability) + ); } #[test] diff --git a/crates/rvm-cap/src/table.rs b/crates/rvm-cap/src/table.rs index c87033af0..3886d91b9 100644 --- a/crates/rvm-cap/src/table.rs +++ b/crates/rvm-cap/src/table.rs @@ -357,7 +357,12 @@ mod tests { use super::*; fn test_token(id: u64) -> CapToken { - CapToken::new(id, CapType::Region, CapRights::READ.union(CapRights::WRITE), 0) + CapToken::new( + id, + CapType::Region, + CapRights::READ.union(CapRights::WRITE), + 0, + ) } #[test] @@ -424,8 +429,9 @@ mod tests { let (parent_idx, _) = table.insert_root(token, owner, 0).unwrap(); let derived = CapToken::new(501, CapType::Region, CapRights::READ, 0); - let (child_idx, child_gen) = - table.insert_derived(derived, owner, 1, parent_idx, 42).unwrap(); + let (child_idx, child_gen) = table + .insert_derived(derived, owner, 1, parent_idx, 42) + .unwrap(); let slot = table.lookup(child_idx, child_gen).unwrap(); assert_eq!(slot.depth, 1); diff --git a/crates/rvm-cap/src/verify.rs b/crates/rvm-cap/src/verify.rs index bb10b488e..6502b7ac3 100644 --- a/crates/rvm-cap/src/verify.rs +++ b/crates/rvm-cap/src/verify.rs @@ -171,8 +171,7 @@ impl ProofVerifier { // 1. Ownership chain valid. let owner_ok = table .lookup(cap_index, cap_generation) - .map(|slot| slot.owner.as_u32() == ctx.expected_owner) - .unwrap_or(false); + .is_ok_and(|slot| slot.owner.as_u32() == ctx.expected_owner); valid &= owner_ok; // 2. Region bounds legal. @@ -184,8 +183,7 @@ impl ProofVerifier { // 4. Delegation depth within limit. let depth_ok = tree .depth(cap_index) - .map(|d| d <= ctx.max_delegation_depth) - .unwrap_or(false); + .is_ok_and(|d| d <= ctx.max_delegation_depth); valid &= depth_ok; // 5. Nonce not replayed. @@ -261,9 +259,8 @@ impl ProofVerifier { let parent_idx = tree.find_parent(current_idx); match parent_idx { Some(pidx) => { - let parent = match tree.get(pidx) { - Some(p) => p, - None => return Err(ProofError::DerivationChainBroken), + let Some(parent) = tree.get(pidx) else { + return Err(ProofError::DerivationChainBroken); }; // Ancestor must be valid. @@ -315,7 +312,7 @@ impl ProofVerifier { return false; } // O(1) hash-indexed lookup instead of linear scan. - let hash_slot = (nonce as usize) % NONCE_RING_SIZE; + let hash_slot = usize::try_from(nonce % NONCE_RING_SIZE as u64).unwrap_or(0); if self.nonce_hash[hash_slot] == nonce { return false; } @@ -329,7 +326,7 @@ impl ProofVerifier { } self.nonce_ring[self.nonce_write_pos] = nonce; // Populate hash index for O(1) lookup. - let hash_slot = (nonce as usize) % NONCE_RING_SIZE; + let hash_slot = usize::try_from(nonce % NONCE_RING_SIZE as u64).unwrap_or(0); self.nonce_hash[hash_slot] = nonce; self.nonce_write_pos = (self.nonce_write_pos + 1) % NONCE_RING_SIZE; // Advance watermark: the watermark tracks the minimum nonce @@ -377,13 +374,18 @@ mod tests { let owner = PartitionId::new(1); let token = CapToken::new(100, CapType::Region, all_rights(), 0); let (idx, gen) = table.insert_root(token, owner, 0).unwrap(); - assert!(verifier.verify_p1(&table, idx, gen, CapRights::READ).is_ok()); + assert!(verifier + .verify_p1(&table, idx, gen, CapRights::READ) + .is_ok()); } #[test] fn test_p1_invalid_handle() { let (table, _, verifier) = setup(); - assert_eq!(verifier.verify_p1(&table, 99, 0, CapRights::READ), Err(ProofError::InvalidHandle)); + assert_eq!( + verifier.verify_p1(&table, 99, 0, CapRights::READ), + Err(ProofError::InvalidHandle) + ); } #[test] @@ -391,7 +393,10 @@ mod tests { let (mut table, _, verifier) = setup(); let token = CapToken::new(100, CapType::Region, all_rights(), 5); let (idx, gen) = table.insert_root(token, PartitionId::new(1), 0).unwrap(); - assert_eq!(verifier.verify_p1(&table, idx, gen, CapRights::READ), Err(ProofError::StaleCapability)); + assert_eq!( + verifier.verify_p1(&table, idx, gen, CapRights::READ), + Err(ProofError::StaleCapability) + ); } #[test] @@ -399,7 +404,10 @@ mod tests { let (mut table, _, verifier) = setup(); let token = CapToken::new(100, CapType::Region, CapRights::READ, 0); let (idx, gen) = table.insert_root(token, PartitionId::new(1), 0).unwrap(); - assert_eq!(verifier.verify_p1(&table, idx, gen, CapRights::WRITE), Err(ProofError::InsufficientRights)); + assert_eq!( + verifier.verify_p1(&table, idx, gen, CapRights::WRITE), + Err(ProofError::InsufficientRights) + ); } #[test] @@ -438,7 +446,10 @@ mod tests { nonce: 55, }; assert!(verifier.verify_p2(&table, &tree, idx, gen, &ctx).is_ok()); - assert_eq!(verifier.verify_p2(&table, &tree, idx, gen, &ctx), Err(ProofError::PolicyViolation)); + assert_eq!( + verifier.verify_p2(&table, &tree, idx, gen, &ctx), + Err(ProofError::PolicyViolation) + ); } #[test] @@ -467,7 +478,9 @@ mod tests { tree.add_child(root_idx, child_idx, 1, 1).unwrap(); // P3 should follow child → root and succeed. - assert!(verifier.verify_p3(&table, &tree, child_idx, child_gen, 8).is_ok()); + assert!(verifier + .verify_p3(&table, &tree, child_idx, child_gen, 8) + .is_ok()); } #[test] @@ -535,7 +548,9 @@ mod tests { max_delegation_depth: 8, nonce: 4097, }; - assert!(verifier.verify_p2(&table, &tree, idx, gen, &ctx_new).is_ok()); + assert!(verifier + .verify_p2(&table, &tree, idx, gen, &ctx_new) + .is_ok()); // Nonce 1 should be rejected by the watermark even though it // has been evicted from the ring. diff --git a/crates/rvm-coherence/src/engine.rs b/crates/rvm-coherence/src/engine.rs index d65ce37b3..dbe2b19ab 100644 --- a/crates/rvm-coherence/src/engine.rs +++ b/crates/rvm-coherence/src/engine.rs @@ -123,10 +123,7 @@ impl DefaultCoherenceEngine { /// computation. #[must_use] pub fn with_defaults(max_iterations: u32) -> Self { - Self::new( - BuiltinMinCut::new(max_iterations), - BuiltinCoherence, - ) + Self::new(BuiltinMinCut::new(max_iterations), BuiltinCoherence) } } @@ -173,13 +170,11 @@ impl CoherenceEngine { /// Register a new partition in the coherence graph. pub fn add_partition(&mut self, id: PartitionId) -> Result<(), RvmError> { - self.graph - .add_node(id) - .map_err(|e| match e { - GraphError::DuplicateNode => RvmError::InvalidPartitionState, - GraphError::NodeCapacityExhausted => RvmError::ResourceLimitExceeded, - _ => RvmError::InternalError, - })?; + self.graph.add_node(id).map_err(|e| match e { + GraphError::DuplicateNode => RvmError::InvalidPartitionState, + GraphError::NodeCapacityExhausted => RvmError::ResourceLimitExceeded, + _ => RvmError::InternalError, + })?; // Find a free entry slot for entry in self.entries.iter_mut() { @@ -229,7 +224,7 @@ impl CoherenceEngine { match self.graph.find_directed_edge(from, to) { Some(eidx) => { self.graph - .update_weight(eidx, weight as i64) + .update_weight(eidx, i64::try_from(weight).unwrap_or(i64::MAX)) .map_err(|_| RvmError::InternalError)?; } None => { @@ -360,9 +355,7 @@ impl CoherenceEngine { if signal.should_merge { match best_merge { None => best_merge = Some(signal), - Some(ref prev) - if signal.mutual_coherence > prev.mutual_coherence => - { + Some(ref prev) if signal.mutual_coherence > prev.mutual_coherence => { best_merge = Some(signal); } _ => {} @@ -535,7 +528,10 @@ mod tests { let decision = engine.tick(10); match decision { - CoherenceDecision::SplitRecommended { partition, pressure } => { + CoherenceDecision::SplitRecommended { + partition, + pressure, + } => { // Either pid(1) or pid(2) should be recommended for split assert!(partition == pid(1) || partition == pid(2)); assert!(pressure.as_fixed() > SPLIT_THRESHOLD_BP); @@ -635,14 +631,8 @@ mod tests { engine.do_tick(10); } - assert_eq!( - default_engine.score(pid(1)), - rv_engine.score(pid(1)) - ); - assert_eq!( - default_engine.pressure(pid(1)), - rv_engine.pressure(pid(1)) - ); + assert_eq!(default_engine.score(pid(1)), rv_engine.score(pid(1))); + assert_eq!(default_engine.pressure(pid(1)), rv_engine.pressure(pid(1))); } } diff --git a/crates/rvm-coherence/src/graph.rs b/crates/rvm-coherence/src/graph.rs index 656835123..13610d29c 100644 --- a/crates/rvm-coherence/src/graph.rs +++ b/crates/rvm-coherence/src/graph.rs @@ -156,14 +156,14 @@ impl CoherenceGraph Result<(), GraphError> { - let idx = self.find_node(partition_id).ok_or(GraphError::NodeNotFound)?; + let idx = self + .find_node(partition_id) + .ok_or(GraphError::NodeNotFound)?; // Remove all edges where this node is source or destination. // remove_edge_by_index maintains adj_matrix and cached weights. for i in 0..MAX_EDGES { - if self.edges[i].active - && (self.edges[i].from == idx || self.edges[i].to == idx) - { + if self.edges[i].active && (self.edges[i].from == idx || self.edges[i].to == idx) { self.remove_edge_by_index(i as EdgeIdx); } } @@ -324,10 +324,7 @@ impl CoherenceGraph CoherenceGraph impl Iterator + '_ { - self.edges - .iter() - .enumerate() - .filter_map(|(i, e)| { - if e.active { - Some((i as EdgeIdx, e.from, e.to, e.weight)) - } else { - None - } - }) + self.edges.iter().enumerate().filter_map(|(i, e)| { + if e.active { + Some((i as EdgeIdx, e.from, e.to, e.weight)) + } else { + None + } + }) } /// Decay all edge weights by the given percentage (in basis points). @@ -493,10 +487,8 @@ impl CoherenceGraph u16 { // Stub: linear mapping from Phi fixed-point to basis points, // clamped to [0, 10000]. let raw = phi.as_fixed(); - if raw >= 10_000 { 10_000 } else { raw as u16 } + if raw >= 10_000 { + 10_000 + } else { + raw as u16 + } } diff --git a/crates/rvm-coherence/src/mincut.rs b/crates/rvm-coherence/src/mincut.rs index d9e059274..ebfcf4588 100644 --- a/crates/rvm-coherence/src/mincut.rs +++ b/crates/rvm-coherence/src/mincut.rs @@ -190,12 +190,7 @@ impl MinCutBridge { } // Stoer-Wagner-like minimum cut on the local adjacency matrix - let result = stoer_wagner_mincut( - &adj, - sub_count, - &sub_nodes, - self.max_iterations, - ); + let result = stoer_wagner_mincut(&adj, sub_count, &sub_nodes, self.max_iterations); match result { Ok(cut) => { @@ -270,8 +265,7 @@ fn stoer_wagner_mincut( } // Minimum cut phase: find the most tightly connected pair - let (s, t, cut_of_phase) = - minimum_cut_phase(&w, &active, active_count, n); + let (s, t, cut_of_phase) = minimum_cut_phase(&w, &active, active_count, n); if cut_of_phase < best_cut_weight { best_cut_weight = cut_of_phase; diff --git a/crates/rvm-coherence/src/pressure.rs b/crates/rvm-coherence/src/pressure.rs index f43adc9e8..b0776e455 100644 --- a/crates/rvm-coherence/src/pressure.rs +++ b/crates/rvm-coherence/src/pressure.rs @@ -104,7 +104,11 @@ pub fn evaluate_merge( 0u16 } else { let bp = ((mutual_weight as u128) * 10_000 / (combined as u128)) as u16; - if bp > 10_000 { 10_000 } else { bp } + if bp > 10_000 { + 10_000 + } else { + bp + } }; let mutual_coherence = CoherenceScore::from_basis_points(mutual_bp); @@ -287,8 +291,10 @@ mod tests { let mut g = CoherenceGraph::<4, 8>::new(); g.add_node(PartitionId::new(1)).unwrap(); g.add_node(PartitionId::new(2)).unwrap(); - g.add_edge(PartitionId::new(1), PartitionId::new(2), 500).unwrap(); - g.add_edge(PartitionId::new(2), PartitionId::new(1), 500).unwrap(); + g.add_edge(PartitionId::new(1), PartitionId::new(2), 500) + .unwrap(); + g.add_edge(PartitionId::new(2), PartitionId::new(1), 500) + .unwrap(); let signal = evaluate_merge(PartitionId::new(1), PartitionId::new(2), &g); // total_1 = 500 (out) + 500 (in) = 1000 diff --git a/crates/rvm-gpu/src/budget.rs b/crates/rvm-gpu/src/budget.rs index 0955c4050..b634ae4d6 100644 --- a/crates/rvm-gpu/src/budget.rs +++ b/crates/rvm-gpu/src/budget.rs @@ -191,7 +191,8 @@ impl GpuBudget { /// Return the remaining transfer budget in bytes. #[must_use] pub const fn remaining_transfer(&self) -> u64 { - self.transfer_bytes_max.saturating_sub(self.transfer_bytes_used) + self.transfer_bytes_max + .saturating_sub(self.transfer_bytes_used) } /// Check whether all per-epoch budgets are exhausted. @@ -255,7 +256,10 @@ mod tests { fn budget_denies_over_compute_limit() { let mut budget = GpuBudget::new(1000, 0, 0, 0); budget.record_compute(800).unwrap(); - assert_eq!(budget.check_compute(201), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + budget.check_compute(201), + Err(RvmError::ResourceLimitExceeded) + ); } #[test] @@ -263,7 +267,10 @@ mod tests { let mut budget = GpuBudget::new(0, 4096, 0, 0); assert!(budget.record_memory(2048).is_ok()); assert!(budget.record_memory(2048).is_ok()); - assert_eq!(budget.record_memory(1), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + budget.record_memory(1), + Err(RvmError::ResourceLimitExceeded) + ); } #[test] @@ -271,7 +278,10 @@ mod tests { let mut budget = GpuBudget::new(0, 0, 1000, 0); assert!(budget.record_transfer(500).is_ok()); assert!(budget.record_transfer(500).is_ok()); - assert_eq!(budget.record_transfer(1), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + budget.record_transfer(1), + Err(RvmError::ResourceLimitExceeded) + ); } #[test] @@ -303,7 +313,10 @@ mod tests { // Memory is NOT reset assert_eq!(budget.memory_bytes_used, 4096); - assert_eq!(budget.record_memory(1), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + budget.record_memory(1), + Err(RvmError::ResourceLimitExceeded) + ); } #[test] @@ -318,7 +331,10 @@ mod tests { fn budget_overflow_protection() { let mut budget = GpuBudget::new(u64::MAX, u64::MAX, u64::MAX, u32::MAX); budget.record_compute(u64::MAX - 1).unwrap(); - assert_eq!(budget.record_compute(2), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + budget.record_compute(2), + Err(RvmError::ResourceLimitExceeded) + ); } #[test] diff --git a/crates/rvm-gpu/src/context.rs b/crates/rvm-gpu/src/context.rs index f31c73253..84b901e79 100644 --- a/crates/rvm-gpu/src/context.rs +++ b/crates/rvm-gpu/src/context.rs @@ -204,10 +204,7 @@ impl GpuContext { return Err(RvmError::InvalidPartitionState); } self.allocated_memory = self.allocated_memory.saturating_sub(bytes); - self.budget.memory_bytes_used = self - .budget - .memory_bytes_used - .saturating_sub(bytes); + self.budget.memory_bytes_used = self.budget.memory_bytes_used.saturating_sub(bytes); Ok(()) } @@ -269,7 +266,10 @@ mod tests { #[test] fn check_budget_fails_when_not_ready() { let ctx = GpuContext::new(test_partition(), 0, test_budget()); - assert_eq!(ctx.check_budget(1_000_000, 1024), Err(RvmError::InvalidPartitionState)); + assert_eq!( + ctx.check_budget(1_000_000, 1024), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -293,7 +293,10 @@ mod tests { #[test] fn record_kernel_launch_fails_when_not_ready() { let mut ctx = GpuContext::new(test_partition(), 0, test_budget()); - assert_eq!(ctx.record_kernel_launch(1_000_000), Err(RvmError::InvalidPartitionState)); + assert_eq!( + ctx.record_kernel_launch(1_000_000), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -306,7 +309,10 @@ mod tests { #[test] fn record_transfer_fails_when_not_ready() { let mut ctx = GpuContext::new(test_partition(), 0, test_budget()); - assert_eq!(ctx.record_transfer(2048), Err(RvmError::InvalidPartitionState)); + assert_eq!( + ctx.record_transfer(2048), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -324,13 +330,19 @@ mod tests { #[test] fn record_memory_alloc_fails_when_not_ready() { let mut ctx = GpuContext::new(test_partition(), 0, test_budget()); - assert_eq!(ctx.record_memory_alloc(4096), Err(RvmError::InvalidPartitionState)); + assert_eq!( + ctx.record_memory_alloc(4096), + Err(RvmError::InvalidPartitionState) + ); } #[test] fn record_memory_free_fails_when_not_ready() { let mut ctx = GpuContext::new(test_partition(), 0, test_budget()); - assert_eq!(ctx.record_memory_free(4096), Err(RvmError::InvalidPartitionState)); + assert_eq!( + ctx.record_memory_free(4096), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -363,7 +375,10 @@ mod tests { #[test] fn try_launch_fails_when_not_ready() { let mut ctx = GpuContext::new(test_partition(), 0, test_budget()); - assert_eq!(ctx.try_launch(1_000_000, 2048), Err(RvmError::InvalidPartitionState)); + assert_eq!( + ctx.try_launch(1_000_000, 2048), + Err(RvmError::InvalidPartitionState) + ); } #[test] diff --git a/crates/rvm-gpu/src/device.rs b/crates/rvm-gpu/src/device.rs index 789cc8548..94b470d1e 100644 --- a/crates/rvm-gpu/src/device.rs +++ b/crates/rvm-gpu/src/device.rs @@ -151,7 +151,7 @@ mod tests { let mut info = GpuDeviceInfo::default(); let name = b"TestGPU"; info.name[..name.len()].copy_from_slice(name); - info.name_len = name.len() as u8; + info.name_len = u8::try_from(name.len()).unwrap_or(u8::MAX); assert_eq!(info.name_str(), "TestGPU"); } @@ -166,7 +166,7 @@ mod tests { let mut info = GpuDeviceInfo::default(); for (i, byte) in info.name.iter_mut().enumerate() { // Fill with printable ASCII: 'A' + (i % 26) - *byte = b'A' + (i % 26) as u8; + *byte = b'A' + u8::try_from(i % 26).unwrap_or(0); } info.name_len = 64; assert_eq!(info.name_str().len(), 64); diff --git a/crates/rvm-gpu/src/error.rs b/crates/rvm-gpu/src/error.rs index 57f7d1c26..408f4319c 100644 --- a/crates/rvm-gpu/src/error.rs +++ b/crates/rvm-gpu/src/error.rs @@ -69,9 +69,9 @@ impl From for RvmError { GpuError::DeviceNotFound => RvmError::DeviceLeaseNotFound, GpuError::DeviceNotReady => RvmError::InvalidPartitionState, GpuError::OutOfMemory => RvmError::OutOfMemory, - GpuError::BudgetExceeded - | GpuError::BufferTooLarge - | GpuError::QueueFull => RvmError::ResourceLimitExceeded, + GpuError::BudgetExceeded | GpuError::BufferTooLarge | GpuError::QueueFull => { + RvmError::ResourceLimitExceeded + } GpuError::KernelTimeout | GpuError::KernelCompilationFailed | GpuError::InvalidLaunchConfig @@ -89,13 +89,28 @@ mod tests { #[test] fn gpu_error_to_rvm_error_mapping() { - assert_eq!(RvmError::from(GpuError::DeviceNotFound), RvmError::DeviceLeaseNotFound); + assert_eq!( + RvmError::from(GpuError::DeviceNotFound), + RvmError::DeviceLeaseNotFound + ); assert_eq!(RvmError::from(GpuError::OutOfMemory), RvmError::OutOfMemory); - assert_eq!(RvmError::from(GpuError::BudgetExceeded), RvmError::ResourceLimitExceeded); - assert_eq!(RvmError::from(GpuError::CapabilityDenied), RvmError::InsufficientCapability); + assert_eq!( + RvmError::from(GpuError::BudgetExceeded), + RvmError::ResourceLimitExceeded + ); + assert_eq!( + RvmError::from(GpuError::CapabilityDenied), + RvmError::InsufficientCapability + ); assert_eq!(RvmError::from(GpuError::Unsupported), RvmError::Unsupported); - assert_eq!(RvmError::from(GpuError::IommuViolation), RvmError::InternalError); - assert_eq!(RvmError::from(GpuError::KernelTimeout), RvmError::InternalError); + assert_eq!( + RvmError::from(GpuError::IommuViolation), + RvmError::InternalError + ); + assert_eq!( + RvmError::from(GpuError::KernelTimeout), + RvmError::InternalError + ); } #[test] diff --git a/crates/rvm-gpu/src/kernel.rs b/crates/rvm-gpu/src/kernel.rs index c742bbdc4..87098fa8d 100644 --- a/crates/rvm-gpu/src/kernel.rs +++ b/crates/rvm-gpu/src/kernel.rs @@ -69,9 +69,8 @@ impl LaunchConfig { /// as a `u64` to avoid overflow on large grid configurations. #[must_use] pub const fn total_threads(&self) -> u64 { - let groups = self.workgroups[0] as u64 - * self.workgroups[1] as u64 - * self.workgroups[2] as u64; + let groups = + self.workgroups[0] as u64 * self.workgroups[1] as u64 * self.workgroups[2] as u64; let threads_per_group = self.workgroup_size[0] as u64 * self.workgroup_size[1] as u64 * self.workgroup_size[2] as u64; @@ -89,15 +88,10 @@ impl LaunchConfig { /// zero or the total thread count exceeds `u32::MAX`. pub const fn validate(&self) -> Result<(), GpuError> { // All dimensions must be non-zero. - if self.workgroups[0] == 0 - || self.workgroups[1] == 0 - || self.workgroups[2] == 0 - { + if self.workgroups[0] == 0 || self.workgroups[1] == 0 || self.workgroups[2] == 0 { return Err(GpuError::InvalidLaunchConfig); } - if self.workgroup_size[0] == 0 - || self.workgroup_size[1] == 0 - || self.workgroup_size[2] == 0 + if self.workgroup_size[0] == 0 || self.workgroup_size[1] == 0 || self.workgroup_size[2] == 0 { return Err(GpuError::InvalidLaunchConfig); } @@ -176,7 +170,7 @@ mod tests { shared_memory_bytes: 0, timeout_ns: DEFAULT_KERNEL_TIMEOUT_NS, }; - assert_eq!(cfg.total_threads(), 4 * 2 * 1 * 32); + assert_eq!(cfg.total_threads(), 4 * 2 * 32); assert!(cfg.validate().is_ok()); } @@ -248,7 +242,7 @@ mod tests { }; let name = b"mincut_v1"; kernel.name[..name.len()].copy_from_slice(name); - kernel.name_len = name.len() as u8; + kernel.name_len = u8::try_from(name.len()).unwrap_or(u8::MAX); assert_eq!(kernel.name_str(), "mincut_v1"); } } diff --git a/crates/rvm-gpu/src/tests.rs b/crates/rvm-gpu/src/tests.rs index a3a404cd6..c8d45d023 100644 --- a/crates/rvm-gpu/src/tests.rs +++ b/crates/rvm-gpu/src/tests.rs @@ -72,19 +72,11 @@ fn context_budget_integration() { fn queue_command_lifecycle() { use rvm_types::PartitionId; - let mut q = GpuQueue::with_max_depth( - QueueId::new(0), - PartitionId::new(1), - 4, - ); + let mut q = GpuQueue::with_max_depth(QueueId::new(0), PartitionId::new(1), 4); let launch_cmd = QueueCommand::kernel_launch(KernelId::new(1)); let barrier_cmd = QueueCommand::barrier(); - let copy_cmd = QueueCommand::buffer_copy( - BufferId::new(0), - BufferId::new(1), - 4096, - ); + let copy_cmd = QueueCommand::buffer_copy(BufferId::new(0), BufferId::new(1), 4096); assert!(q.enqueue(&launch_cmd).is_ok()); assert!(q.enqueue(&barrier_cmd).is_ok()); @@ -196,7 +188,10 @@ fn budget_check_compute_exceeds_limit() { use rvm_types::RvmError; let mut b = GpuBudget::new(1_000_000, 0, 0, 0); b.record_compute(500_000).unwrap(); - assert_eq!(b.check_compute(500_001), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + b.check_compute(500_001), + Err(RvmError::ResourceLimitExceeded) + ); assert_eq!(b.compute_ns_used, 500_000); } @@ -334,7 +329,7 @@ fn device_info_name_with_content() { let mut info = GpuDeviceInfo::default(); let name = b"NVIDIA RTX 4090"; info.name[..name.len()].copy_from_slice(name); - info.name_len = name.len() as u8; + info.name_len = u8::try_from(name.len()).unwrap_or(u8::MAX); assert_eq!(info.name_str(), "NVIDIA RTX 4090"); } @@ -342,7 +337,7 @@ fn device_info_name_with_content() { fn device_info_full_name_length() { let mut info = GpuDeviceInfo::default(); for (i, byte) in info.name.iter_mut().enumerate() { - *byte = b'A' + (i % 26) as u8; + *byte = b'A' + u8::try_from(i % 26).unwrap_or(0); } info.name_len = 64; assert_eq!(info.name_str().len(), 64); @@ -373,11 +368,7 @@ fn context_new_starts_initializing() { #[test] fn context_not_ready_when_error() { use rvm_types::PartitionId; - let mut ctx = GpuContext::new( - PartitionId::new(1), - 0, - GpuBudget::new(1000, 1000, 1000, 10), - ); + let mut ctx = GpuContext::new(PartitionId::new(1), 0, GpuBudget::new(1000, 1000, 1000, 10)); ctx.status = GpuStatus::Error; assert!(!ctx.is_ready()); } @@ -385,11 +376,7 @@ fn context_not_ready_when_error() { #[test] fn context_not_ready_when_unavailable() { use rvm_types::PartitionId; - let mut ctx = GpuContext::new( - PartitionId::new(1), - 0, - GpuBudget::new(1000, 1000, 1000, 10), - ); + let mut ctx = GpuContext::new(PartitionId::new(1), 0, GpuBudget::new(1000, 1000, 1000, 10)); ctx.status = GpuStatus::Unavailable; assert!(!ctx.is_ready()); } @@ -397,11 +384,7 @@ fn context_not_ready_when_unavailable() { #[test] fn context_record_kernel_launch_exceeds_budget() { use rvm_types::PartitionId; - let mut ctx = GpuContext::new( - PartitionId::new(1), - 0, - GpuBudget::new(100, 0, 0, 1), - ); + let mut ctx = GpuContext::new(PartitionId::new(1), 0, GpuBudget::new(100, 0, 0, 1)); ctx.status = GpuStatus::Ready; ctx.record_kernel_launch(50).unwrap(); assert!(ctx.record_kernel_launch(50).is_err()); @@ -410,11 +393,7 @@ fn context_record_kernel_launch_exceeds_budget() { #[test] fn context_record_transfer_exceeds_budget() { use rvm_types::PartitionId; - let mut ctx = GpuContext::new( - PartitionId::new(1), - 0, - GpuBudget::new(0, 0, 1000, 0), - ); + let mut ctx = GpuContext::new(PartitionId::new(1), 0, GpuBudget::new(0, 0, 1000, 0)); ctx.status = GpuStatus::Ready; ctx.record_transfer(1000).unwrap(); assert!(ctx.record_transfer(1).is_err()); @@ -423,11 +402,7 @@ fn context_record_transfer_exceeds_budget() { #[test] fn context_memory_alloc_and_free() { use rvm_types::PartitionId; - let mut ctx = GpuContext::new( - PartitionId::new(1), - 0, - GpuBudget::new(0, 8192, 0, 0), - ); + let mut ctx = GpuContext::new(PartitionId::new(1), 0, GpuBudget::new(0, 8192, 0, 0)); ctx.status = GpuStatus::Ready; ctx.record_memory_alloc(4096).unwrap(); assert_eq!(ctx.allocated_memory, 4096); @@ -621,16 +596,43 @@ fn gpu_error_all_variants_distinct() { #[test] fn gpu_error_to_rvm_error_complete() { use rvm_types::RvmError; - assert_eq!(RvmError::from(GpuError::DeviceNotFound), RvmError::DeviceLeaseNotFound); - assert_eq!(RvmError::from(GpuError::DeviceNotReady), RvmError::InvalidPartitionState); + assert_eq!( + RvmError::from(GpuError::DeviceNotFound), + RvmError::DeviceLeaseNotFound + ); + assert_eq!( + RvmError::from(GpuError::DeviceNotReady), + RvmError::InvalidPartitionState + ); assert_eq!(RvmError::from(GpuError::OutOfMemory), RvmError::OutOfMemory); - assert_eq!(RvmError::from(GpuError::BudgetExceeded), RvmError::ResourceLimitExceeded); - assert_eq!(RvmError::from(GpuError::KernelTimeout), RvmError::InternalError); - assert_eq!(RvmError::from(GpuError::InvalidLaunchConfig), RvmError::InternalError); - assert_eq!(RvmError::from(GpuError::BufferTooLarge), RvmError::ResourceLimitExceeded); - assert_eq!(RvmError::from(GpuError::QueueFull), RvmError::ResourceLimitExceeded); - assert_eq!(RvmError::from(GpuError::IommuViolation), RvmError::InternalError); - assert_eq!(RvmError::from(GpuError::CapabilityDenied), RvmError::InsufficientCapability); + assert_eq!( + RvmError::from(GpuError::BudgetExceeded), + RvmError::ResourceLimitExceeded + ); + assert_eq!( + RvmError::from(GpuError::KernelTimeout), + RvmError::InternalError + ); + assert_eq!( + RvmError::from(GpuError::InvalidLaunchConfig), + RvmError::InternalError + ); + assert_eq!( + RvmError::from(GpuError::BufferTooLarge), + RvmError::ResourceLimitExceeded + ); + assert_eq!( + RvmError::from(GpuError::QueueFull), + RvmError::ResourceLimitExceeded + ); + assert_eq!( + RvmError::from(GpuError::IommuViolation), + RvmError::InternalError + ); + assert_eq!( + RvmError::from(GpuError::CapabilityDenied), + RvmError::InsufficientCapability + ); assert_eq!(RvmError::from(GpuError::Unsupported), RvmError::Unsupported); } diff --git a/crates/rvm-hal/src/aarch64/boot.rs b/crates/rvm-hal/src/aarch64/boot.rs index 6f1a6c92b..6365fccbe 100644 --- a/crates/rvm-hal/src/aarch64/boot.rs +++ b/crates/rvm-hal/src/aarch64/boot.rs @@ -99,7 +99,7 @@ pub fn configure_hcr_el2() { | (1 << 4) // IMO: route IRQ to EL2 | (1 << 5) // AMO: route SError to EL2 | (1 << 19) // TSC: trap SMC to EL2 - | (1 << 31); // RW: EL1 is AArch64 + | (1 << 31); // RW: EL1 is AArch64 // SAFETY: Writing HCR_EL2 at EL2 is the standard way to configure the // hypervisor. We hold no references to guest state at boot time. @@ -159,7 +159,7 @@ pub fn configure_vtcr_el2() { | (1 << 10) // ORGN0 = 1: outer write-back | (3 << 12) // SH0 = 3: inner shareable | (0 << 14) // TG0 = 0: 4KB granule - | (2 << 16); // PS = 2: 40-bit PA + | (2 << 16); // PS = 2: 40-bit PA // SAFETY: Writing VTCR_EL2 configures the translation regime for // stage-2. Called during boot before any guest is running. diff --git a/crates/rvm-hal/src/aarch64/mmu.rs b/crates/rvm-hal/src/aarch64/mmu.rs index 848da4780..16a741b1c 100644 --- a/crates/rvm-hal/src/aarch64/mmu.rs +++ b/crates/rvm-hal/src/aarch64/mmu.rs @@ -6,7 +6,7 @@ //! //! The IPA space is 40 bits (1 TB), starting at level 1 (SL0=1 in VTCR_EL2). -use rvm_types::{GuestPhysAddr, PhysAddr, RvmResult, RvmError}; +use rvm_types::{GuestPhysAddr, PhysAddr, RvmError, RvmResult}; /// Page size: 4 KB. pub const PAGE_SIZE: usize = 4096; @@ -167,8 +167,7 @@ impl Stage2PageTable { /// /// Propagates errors from [`map_2mb_block`]. pub fn map_device_2mb(&mut self, ipa: u64, pa: u64) -> RvmResult<()> { - let attrs = - s2_desc::MEM_ATTR_DEVICE | s2_desc::SH_OUTER | s2_desc::S2AP_RW | s2_desc::XN; + let attrs = s2_desc::MEM_ATTR_DEVICE | s2_desc::SH_OUTER | s2_desc::S2AP_RW | s2_desc::XN; self.map_2mb_block(ipa, pa, attrs) } @@ -418,10 +417,7 @@ mod tests { #[test] fn test_stage2_alignment() { // Verify that Stage2PageTable is 4096-byte aligned. - assert_eq!( - core::mem::align_of::(), - 4096, - ); + assert_eq!(core::mem::align_of::(), 4096,); } #[test] diff --git a/crates/rvm-kernel/src/lib.rs b/crates/rvm-kernel/src/lib.rs index 80b98dda6..7773cb894 100644 --- a/crates/rvm-kernel/src/lib.rs +++ b/crates/rvm-kernel/src/lib.rs @@ -61,6 +61,9 @@ pub use rvm_boot as boot; pub use rvm_cap as cap; /// Coherence monitoring and Phi computation. pub use rvm_coherence as coherence; +/// GPU compute subsystem. +#[cfg(feature = "gpu")] +pub use rvm_gpu as gpu; /// Hardware abstraction layer traits. pub use rvm_hal as hal; /// Guest memory management. @@ -79,9 +82,6 @@ pub use rvm_types as types; pub use rvm_wasm as wasm; /// Witness trail management. pub use rvm_witness as witness; -/// GPU compute subsystem. -#[cfg(feature = "gpu")] -pub use rvm_gpu as gpu; /// RVM version string. pub const VERSION: &str = env!("CARGO_PKG_VERSION"); @@ -571,16 +571,17 @@ impl Kernel { if !self.booted { return Err(RvmError::InvalidPartitionState); } - let src = self.partitions.get(source).ok_or(RvmError::PartitionNotFound)?; + let src = self + .partitions + .get(source) + .ok_or(RvmError::PartitionNotFound)?; let vcpu_count = src.vcpu_count; // Create the new partition (inherits source's vCPU count). let epoch = self.scheduler.current_epoch(); - let child = self.partitions.create( - rvm_partition::PartitionType::Agent, - vcpu_count, - epoch, - )?; + let child = + self.partitions + .create(rvm_partition::PartitionType::Agent, vcpu_count, epoch)?; // Register child in coherence graph. let _ = self.coherence.add_partition(child); @@ -603,6 +604,7 @@ impl Kernel { /// target partition absorbs the source; the source is destroyed. /// /// Returns the surviving partition ID on success. + #[allow(clippy::similar_names)] pub fn execute_merge( &mut self, absorber: PartitionId, @@ -612,8 +614,14 @@ impl Kernel { return Err(RvmError::InvalidPartitionState); } // Verify both partitions exist. - let _a = self.partitions.get(absorber).ok_or(RvmError::PartitionNotFound)?; - let _b = self.partitions.get(absorbed).ok_or(RvmError::PartitionNotFound)?; + let _a = self + .partitions + .get(absorber) + .ok_or(RvmError::PartitionNotFound)?; + let _b = self + .partitions + .get(absorbed) + .ok_or(RvmError::PartitionNotFound)?; // Check coherence-based merge preconditions. let score_a = self.coherence.score(absorber); @@ -643,19 +651,22 @@ impl Kernel { /// /// Returns the decision that was applied, along with any new partition /// ID created by a split. - pub fn apply_decision( - &mut self, - decision: CoherenceDecision, - ) -> RvmResult { + pub fn apply_decision(&mut self, decision: CoherenceDecision) -> RvmResult { match decision { CoherenceDecision::NoAction => Ok(ApplyResult::NoAction), CoherenceDecision::SplitRecommended { partition, .. } => { let child = self.execute_split(partition)?; - Ok(ApplyResult::Split { source: partition, child }) + Ok(ApplyResult::Split { + source: partition, + child, + }) } CoherenceDecision::MergeRecommended { a, b, .. } => { let survivor = self.execute_merge(a, b)?; - Ok(ApplyResult::Merged { survivor, absorbed: b }) + Ok(ApplyResult::Merged { + survivor, + absorbed: b, + }) } } } @@ -666,11 +677,7 @@ impl Kernel { /// /// Also registers the communication edge in the coherence graph. /// Emits a `CommEdgeCreate` witness record. - pub fn create_channel( - &mut self, - from: PartitionId, - to: PartitionId, - ) -> RvmResult { + pub fn create_channel(&mut self, from: PartitionId, to: PartitionId) -> RvmResult { if !self.booted { return Err(RvmError::InvalidPartitionState); } @@ -797,11 +804,7 @@ impl Kernel { /// /// Validates residency score against promotion thresholds. /// Emits a `RegionPromote` witness record on success. - pub fn promote_region( - &mut self, - region_id: OwnedRegionId, - target: Tier, - ) -> RvmResult { + pub fn promote_region(&mut self, region_id: OwnedRegionId, target: Tier) -> RvmResult { let old_tier = self.tier_manager.promote(region_id, target)?; let mut record = WitnessRecord::zeroed(); @@ -818,11 +821,7 @@ impl Kernel { /// Demote a region to a colder tier. /// /// Emits a `RegionDemote` witness record on success. - pub fn demote_region( - &mut self, - region_id: OwnedRegionId, - target: Tier, - ) -> RvmResult { + pub fn demote_region(&mut self, region_id: OwnedRegionId, target: Tier) -> RvmResult { let old_tier = self.tier_manager.demote(region_id, target)?; let mut record = WitnessRecord::zeroed(); @@ -845,10 +844,7 @@ impl Kernel { // -- Device lease management -- /// Register a hardware device. - pub fn register_device( - &mut self, - info: rvm_partition::DeviceInfo, - ) -> RvmResult { + pub fn register_device(&mut self, info: rvm_partition::DeviceInfo) -> RvmResult { self.devices.register_device(info) } @@ -866,9 +862,9 @@ impl Kernel { return Err(RvmError::InvalidPartitionState); } let epoch = self.scheduler.current_epoch() as u64; - let lease_id = self.devices.grant_lease( - device_id, partition, duration_epochs, epoch, cap_hash, - )?; + let lease_id = + self.devices + .grant_lease(device_id, partition, duration_epochs, epoch, cap_hash)?; let mut record = WitnessRecord::zeroed(); record.action_kind = ActionKind::DeviceLeaseGrant as u8; @@ -883,10 +879,7 @@ impl Kernel { /// Revoke a device lease. /// /// Emits a `DeviceLeaseRevoke` witness record. - pub fn revoke_device_lease( - &mut self, - lease_id: rvm_types::DeviceLeaseId, - ) -> RvmResult<()> { + pub fn revoke_device_lease(&mut self, lease_id: rvm_types::DeviceLeaseId) -> RvmResult<()> { self.devices.revoke_lease(lease_id)?; let mut record = WitnessRecord::zeroed(); @@ -1087,8 +1080,13 @@ pub struct KernelHostContext<'a> { pub next_sequence: u64, } -impl<'a> rvm_wasm::host_functions::HostContext for KernelHostContext<'a> { - fn send(&mut self, _sender: rvm_wasm::agent::AgentId, target: u64, length: u64) -> RvmResult { +impl rvm_wasm::host_functions::HostContext for KernelHostContext<'_> { + fn send( + &mut self, + _sender: rvm_wasm::agent::AgentId, + target: u64, + length: u64, + ) -> RvmResult { let edge = self.active_channel.ok_or(RvmError::PartitionNotFound)?; // Checked truncation: reject if target overflows u32. @@ -1198,7 +1196,10 @@ mod tests { fn test_create_partition_before_boot() { let mut kernel = Kernel::with_defaults(); let config = PartitionConfig::default(); - assert_eq!(kernel.create_partition(&config), Err(RvmError::InvalidPartitionState)); + assert_eq!( + kernel.create_partition(&config), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -1217,7 +1218,10 @@ mod tests { kernel.boot().unwrap(); let bad_id = PartitionId::new(999); - assert_eq!(kernel.destroy_partition(bad_id), Err(RvmError::PartitionNotFound)); + assert_eq!( + kernel.destroy_partition(bad_id), + Err(RvmError::PartitionNotFound) + ); } #[test] @@ -1334,7 +1338,10 @@ mod tests { fn test_destroy_before_boot_fails() { let mut kernel = Kernel::with_defaults(); let id = PartitionId::new(1); - assert_eq!(kernel.destroy_partition(id), Err(RvmError::InvalidPartitionState)); + assert_eq!( + kernel.destroy_partition(id), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -1346,7 +1353,10 @@ mod tests { let id = kernel.create_partition(&config).unwrap(); assert!(kernel.destroy_partition(id).is_ok()); // Second destroy should fail — partition was removed. - assert_eq!(kernel.destroy_partition(id), Err(RvmError::PartitionNotFound)); + assert_eq!( + kernel.destroy_partition(id), + Err(RvmError::PartitionNotFound) + ); } #[test] @@ -1452,14 +1462,8 @@ mod tests { assert_eq!(kernel.coherence_engine().partition_count(), 2); // Isolated partitions have max coherence score. - assert_eq!( - kernel.coherence_score(id1), - rvm_types::CoherenceScore::MAX, - ); - assert_eq!( - kernel.coherence_score(id2), - rvm_types::CoherenceScore::MAX, - ); + assert_eq!(kernel.coherence_score(id1), rvm_types::CoherenceScore::MAX,); + assert_eq!(kernel.coherence_score(id2), rvm_types::CoherenceScore::MAX,); } #[test] @@ -1534,7 +1538,10 @@ mod tests { kernel.create_partition(&config).unwrap(); // Before any tick, recommendation is NoAction. - assert_eq!(kernel.coherence_recommendation(), CoherenceDecision::NoAction); + assert_eq!( + kernel.coherence_recommendation(), + CoherenceDecision::NoAction + ); } #[test] @@ -1551,10 +1558,7 @@ mod tests { assert_eq!(kernel.coherence_engine().partition_count(), 1); // id2 is still tracked. - assert_eq!( - kernel.coherence_score(id2), - rvm_types::CoherenceScore::MAX, - ); + assert_eq!(kernel.coherence_score(id2), rvm_types::CoherenceScore::MAX,); } #[test] @@ -2144,7 +2148,15 @@ mod tests { let b = kernel.create_partition(&config).unwrap(); // Initial coherence on the partition object should be 5000 (default). - assert_eq!(kernel.partitions().get(a).unwrap().coherence.as_basis_points(), 5000); + assert_eq!( + kernel + .partitions() + .get(a) + .unwrap() + .coherence + .as_basis_points(), + 5000 + ); // Drive coherence to 0 via external traffic. kernel.record_communication(a, b, 5000).unwrap(); diff --git a/crates/rvm-kernel/src/main.rs b/crates/rvm-kernel/src/main.rs index c5d2e7885..23d737a11 100644 --- a/crates/rvm-kernel/src/main.rs +++ b/crates/rvm-kernel/src/main.rs @@ -162,11 +162,11 @@ pub extern "C" fn rvm_main(_dtb_ptr: u64) -> ! { /// Only compiled when not under the test harness (which provides its own). #[cfg(not(test))] #[panic_handler] -fn panic(info: &core::panic::PanicInfo) -> ! { +fn panic(_info: &core::panic::PanicInfo) -> ! { #[cfg(target_arch = "aarch64")] unsafe { rvm_hal::aarch64::uart::uart_puts("\n[RVM] !!! PANIC !!!\n"); - if let Some(loc) = info.location() { + if let Some(loc) = _info.location() { rvm_hal::aarch64::uart::uart_puts("[RVM] at "); rvm_hal::aarch64::uart::uart_puts(loc.file()); rvm_hal::aarch64::uart::uart_puts(":"); diff --git a/crates/rvm-memory/src/allocator.rs b/crates/rvm-memory/src/allocator.rs index fe12cc961..c1f3968fd 100644 --- a/crates/rvm-memory/src/allocator.rs +++ b/crates/rvm-memory/src/allocator.rs @@ -601,25 +601,25 @@ mod tests { // Allocate: 8 pages (order 3), 4 pages (order 2), 2 pages (order 1), // 1 page (order 0), 1 page (order 0) = 16 total. let mut alloc = SmallAllocator::new(base()).unwrap(); - let a = alloc.alloc_pages(3).unwrap(); // 8 pages - let b = alloc.alloc_pages(2).unwrap(); // 4 pages - let c = alloc.alloc_pages(1).unwrap(); // 2 pages - let d = alloc.alloc_pages(0).unwrap(); // 1 page - let e = alloc.alloc_pages(0).unwrap(); // 1 page + let addr_8pg = alloc.alloc_pages(3).unwrap(); // 8 pages + let addr_4pg = alloc.alloc_pages(2).unwrap(); // 4 pages + let addr_2pg = alloc.alloc_pages(1).unwrap(); // 2 pages + let addr_1pg_d = alloc.alloc_pages(0).unwrap(); // 1 page + let addr_1pg_e = alloc.alloc_pages(0).unwrap(); // 1 page assert_eq!(alloc.free_page_count(), 0); // Now free in reverse order and verify coalescing. - alloc.free_pages(e, 0).unwrap(); - alloc.free_pages(d, 0).unwrap(); + alloc.free_pages(addr_1pg_e, 0).unwrap(); + alloc.free_pages(addr_1pg_d, 0).unwrap(); assert_eq!(alloc.free_page_count(), 2); - alloc.free_pages(c, 1).unwrap(); + alloc.free_pages(addr_2pg, 1).unwrap(); assert_eq!(alloc.free_page_count(), 4); - alloc.free_pages(b, 2).unwrap(); + alloc.free_pages(addr_4pg, 2).unwrap(); assert_eq!(alloc.free_page_count(), 8); - alloc.free_pages(a, 3).unwrap(); + alloc.free_pages(addr_8pg, 3).unwrap(); assert_eq!(alloc.free_page_count(), 16); // Fully coalesced. } diff --git a/crates/rvm-memory/src/lib.rs b/crates/rvm-memory/src/lib.rs index 8ce06fc18..a17991397 100644 --- a/crates/rvm-memory/src/lib.rs +++ b/crates/rvm-memory/src/lib.rs @@ -49,8 +49,8 @@ pub mod tier; // Re-export key types at crate root for convenience. pub use allocator::BuddyAllocator; pub use reconstruction::{ - CheckpointId, CompressedCheckpoint, ReconstructionPipeline, ReconstructionResult, - WitnessDelta, create_checkpoint, + create_checkpoint, CheckpointId, CompressedCheckpoint, ReconstructionPipeline, + ReconstructionResult, WitnessDelta, }; pub use region::{AddressMapping, OwnedRegion, RegionConfig, RegionManager}; pub use tier::{RegionTierState, Tier, TierManager, TierThresholds}; diff --git a/crates/rvm-memory/src/reconstruction.rs b/crates/rvm-memory/src/reconstruction.rs index af9e31dd3..23a3a8d15 100644 --- a/crates/rvm-memory/src/reconstruction.rs +++ b/crates/rvm-memory/src/reconstruction.rs @@ -410,8 +410,7 @@ fn decompress(input: &[u8], output: &mut [u8]) -> RvmResult { return Err(RvmError::CheckpointCorrupted); } let tag = input[in_pos]; - let block_len = - u16::from_le_bytes([input[in_pos + 1], input[in_pos + 2]]) as usize; + let block_len = u16::from_le_bytes([input[in_pos + 1], input[in_pos + 2]]) as usize; in_pos += 3; match tag { @@ -526,14 +525,13 @@ mod tests { let data = b"region state snapshot"; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(100), 42, data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(100), 42, data, &mut compressed).unwrap(); assert_eq!(ckpt.id, CheckpointId::new(100)); assert_eq!(ckpt.region_id, rid(1)); assert_eq!(ckpt.witness_sequence, 42); - assert_eq!(ckpt.uncompressed_size, data.len() as u32); - assert_eq!(ckpt.compressed_size, csize as u32); + assert_eq!(ckpt.uncompressed_size, u32::try_from(data.len()).unwrap()); + assert_eq!(ckpt.compressed_size, u32::try_from(csize).unwrap()); assert_eq!(ckpt.uncompressed_hash, fnv1a_hash(data)); } @@ -553,8 +551,7 @@ mod tests { let data = b"original state"; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed).unwrap(); let mut output = [0u8; 256]; let result = pipeline @@ -562,7 +559,7 @@ mod tests { .unwrap(); assert_eq!(result.region_id, rid(1)); - assert_eq!(result.size_bytes, data.len() as u32); + assert_eq!(result.size_bytes, u32::try_from(data.len()).unwrap()); assert_eq!(result.deltas_applied, 0); assert_eq!(&output[..data.len()], data.as_slice()); } @@ -574,8 +571,7 @@ mod tests { let data = b"Hello, World!!!"; // 15 bytes let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed).unwrap(); // Create a delta that overwrites "World" with "Rust!" let patch = b"Rust!"; @@ -608,8 +604,7 @@ mod tests { let data = [0u8; 16]; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed).unwrap(); // Delta 1: write 0xAA at offset 0, length 4. pipeline @@ -727,8 +722,7 @@ mod tests { let data = b"valid data"; let mut compressed = [0u8; 256]; let (mut ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed).unwrap(); // Corrupt the expected hash. ckpt.uncompressed_hash = 0xDEAD_BEEF; @@ -747,8 +741,7 @@ mod tests { let data = b"some state"; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed).unwrap(); pipeline .add_delta(WitnessDelta { @@ -762,12 +755,8 @@ mod tests { let patch = b"good"; let mut output = [0u8; 256]; assert_eq!( - pipeline.reconstruct( - &ckpt, - &compressed[..csize], - &mut output, - |_| patch.as_slice() - ), + pipeline.reconstruct(&ckpt, &compressed[..csize], &mut output, |_| patch + .as_slice()), Err(RvmError::WitnessVerificationFailed) ); } @@ -779,8 +768,7 @@ mod tests { let data = b"short"; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed).unwrap(); let patch = b"overrun!"; pipeline @@ -794,12 +782,8 @@ mod tests { let mut output = [0u8; 256]; assert_eq!( - pipeline.reconstruct( - &ckpt, - &compressed[..csize], - &mut output, - |_| patch.as_slice() - ), + pipeline.reconstruct(&ckpt, &compressed[..csize], &mut output, |_| patch + .as_slice()), Err(RvmError::CheckpointCorrupted) ); } @@ -816,22 +800,21 @@ mod tests { #[test] fn reconstruction_at_max_delta_capacity() { + static PATCHES: [[u8; 1]; 4] = [[0xAA], [0xBB], [0xCC], [0xDD]]; // Pipeline with capacity 4, fill it to max. let mut pipeline = ReconstructionPipeline::<4>::new(); let data = [0u8; 32]; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed).unwrap(); // Add exactly 4 deltas (each writes 1 byte at a different offset). - static PATCHES: [[u8; 1]; 4] = [[0xAA], [0xBB], [0xCC], [0xDD]]; for (i, patch) in PATCHES.iter().enumerate() { pipeline .add_delta(WitnessDelta { - sequence: (i + 1) as u64, - offset: (i * 4) as u32, + sequence: u64::try_from(i + 1).unwrap(), + offset: u32::try_from(i * 4).unwrap(), length: 1, data_hash: fnv1a_hash(patch), }) @@ -854,7 +837,7 @@ mod tests { let mut output = [0u8; 256]; let result = pipeline .reconstruct(&ckpt, &compressed[..csize], &mut output, |d| { - &PATCHES[(d.sequence - 1) as usize] + &PATCHES[usize::try_from(d.sequence - 1).unwrap()] }) .unwrap(); @@ -867,15 +850,13 @@ mod tests { #[test] fn reconstruction_single_delta_capacity() { + static PATCH_ZERO: [u8; 1] = [0x00]; let mut pipeline = ReconstructionPipeline::<1>::new(); let data = [0xFF; 8]; let mut compressed = [0u8; 64]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed) - .unwrap(); - - static PATCH_ZERO: [u8; 1] = [0x00]; + create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed).unwrap(); pipeline .add_delta(WitnessDelta { sequence: 1, @@ -957,8 +938,7 @@ mod tests { let data = [0u8; 32]; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed).unwrap(); // Output buffer smaller than uncompressed size. let mut small_output = [0u8; 16]; @@ -975,8 +955,7 @@ mod tests { let data = [0u8; 32]; let mut compressed = [0u8; 256]; let (ckpt, _csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed).unwrap(); // Pass truncated compressed data. let mut output = [0u8; 256]; @@ -988,16 +967,15 @@ mod tests { #[test] fn reconstruction_delta_data_shorter_than_length() { + static SHORT_PATCH: [u8; 2] = [0xAA, 0xBB]; let mut pipeline = ReconstructionPipeline::<4>::new(); let data = [0u8; 16]; let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed).unwrap(); // Delta says length=4 but we return only 2 bytes. - static SHORT_PATCH: [u8; 2] = [0xAA, 0xBB]; pipeline .add_delta(WitnessDelta { sequence: 1, @@ -1016,11 +994,11 @@ mod tests { #[test] fn reconstruction_final_hash_changes_with_deltas() { + static XPATCH: [u8; 1] = [b'X']; let data = b"original data!!"; // 15 bytes let mut compressed = [0u8; 256]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed) - .unwrap(); + create_checkpoint(rid(1), CheckpointId::new(1), 0, data, &mut compressed).unwrap(); // Reconstruct without deltas. let pipeline_no_deltas = ReconstructionPipeline::<4>::new(); @@ -1031,7 +1009,6 @@ mod tests { // Reconstruct with one delta. let mut pipeline_with_delta = ReconstructionPipeline::<4>::new(); - static XPATCH: [u8; 1] = [b'X']; pipeline_with_delta .add_delta(WitnessDelta { sequence: 1, @@ -1051,17 +1028,15 @@ mod tests { #[test] fn reconstruction_overlapping_deltas() { + static FIRST: [u8; 2] = [0xAA, 0xAA]; + static SECOND: [u8; 2] = [0xBB, 0xBB]; // Two deltas that write to the same offset -- second one wins. let mut pipeline = ReconstructionPipeline::<4>::new(); let data = [0u8; 8]; let mut compressed = [0u8; 64]; let (ckpt, csize) = - create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed) - .unwrap(); - - static FIRST: [u8; 2] = [0xAA, 0xAA]; - static SECOND: [u8; 2] = [0xBB, 0xBB]; + create_checkpoint(rid(1), CheckpointId::new(1), 0, &data, &mut compressed).unwrap(); pipeline .add_delta(WitnessDelta { @@ -1083,7 +1058,11 @@ mod tests { let mut output = [0u8; 64]; let result = pipeline .reconstruct(&ckpt, &compressed[..csize], &mut output, |d| { - if d.sequence == 1 { &FIRST } else { &SECOND } + if d.sequence == 1 { + &FIRST + } else { + &SECOND + } }) .unwrap(); diff --git a/crates/rvm-memory/src/region.rs b/crates/rvm-memory/src/region.rs index 48bf1fe45..af8c334bb 100644 --- a/crates/rvm-memory/src/region.rs +++ b/crates/rvm-memory/src/region.rs @@ -13,9 +13,7 @@ //! - **Overlap detection**: Creating a region that overlaps an existing one in the //! same partition is rejected. -use rvm_types::{ - GuestPhysAddr, OwnedRegionId, PartitionId, PhysAddr, RvmError, RvmResult, -}; +use rvm_types::{GuestPhysAddr, OwnedRegionId, PartitionId, PhysAddr, RvmError, RvmResult}; use crate::tier::Tier; use crate::{MemoryPermissions, PAGE_SIZE}; @@ -286,11 +284,7 @@ impl RegionManager { /// Returns [`RvmError::PartitionNotFound`] if the region does not exist. /// Returns [`RvmError::MemoryOverlap`] if the new owner already has a /// region at the same guest address range. - pub fn transfer( - &mut self, - region_id: OwnedRegionId, - new_owner: PartitionId, - ) -> RvmResult<()> { + pub fn transfer(&mut self, region_id: OwnedRegionId, new_owner: PartitionId) -> RvmResult<()> { let idx = self .find_slot(region_id) .ok_or(RvmError::PartitionNotFound)?; @@ -322,18 +316,13 @@ impl RegionManager { /// Look up a region by its identifier (mutable). pub fn get_mut(&mut self, region_id: OwnedRegionId) -> Option<&mut OwnedRegion> { - self.find_slot(region_id) - .map(|idx| &mut self.regions[idx]) + self.find_slot(region_id).map(|idx| &mut self.regions[idx]) } /// Translate a guest physical address to a host physical address /// within the given partition. #[must_use] - pub fn translate( - &self, - owner: PartitionId, - guest: GuestPhysAddr, - ) -> Option { + pub fn translate(&self, owner: PartitionId, guest: GuestPhysAddr) -> Option { for region in &self.regions { if !region.occupied || region.owner != owner { continue; @@ -361,11 +350,7 @@ impl RegionManager { /// Iterate over the region IDs owned by a given partition. /// Writes matching IDs into `out` and returns the count written. - pub fn regions_for_partition( - &self, - owner: PartitionId, - out: &mut [OwnedRegionId], - ) -> usize { + pub fn regions_for_partition(&self, owner: PartitionId, out: &mut [OwnedRegionId]) -> usize { let mut written = 0; for region in &self.regions { if written >= out.len() { @@ -549,7 +534,8 @@ mod tests { fn translate_guest_to_host() { let mut mgr = RegionManager::<8>::new(); // Region at guest 0x1000, host 0x2000_0000, 4 pages (16 KiB). - mgr.create(default_config(1, 1, 0x1000, 0x2000_0000)).unwrap(); + mgr.create(default_config(1, 1, 0x1000, 0x2000_0000)) + .unwrap(); // Translate guest 0x1000 (start of region). let m = mgr.translate(pid(1), gpa(0x1000)).unwrap(); @@ -590,14 +576,22 @@ mod tests { let mut mgr = RegionManager::<8>::new(); let id1 = mgr .create_auto_id( - pid(1), gpa(0x1000), pa(0x1_0000), 4, - Tier::Warm, MemoryPermissions::READ_WRITE, + pid(1), + gpa(0x1000), + pa(0x1_0000), + 4, + Tier::Warm, + MemoryPermissions::READ_WRITE, ) .unwrap(); let id2 = mgr .create_auto_id( - pid(1), gpa(0x5000), pa(0x2_0000), 2, - Tier::Hot, MemoryPermissions::READ_ONLY, + pid(1), + gpa(0x5000), + pa(0x2_0000), + 2, + Tier::Hot, + MemoryPermissions::READ_ONLY, ) .unwrap(); assert_ne!(id1, id2); diff --git a/crates/rvm-memory/src/tier.rs b/crates/rvm-memory/src/tier.rs index d2adcc4fe..dae38cb34 100644 --- a/crates/rvm-memory/src/tier.rs +++ b/crates/rvm-memory/src/tier.rs @@ -183,11 +183,7 @@ impl TierManager { /// /// Returns [`RvmError::ResourceLimitExceeded`] if the manager is at capacity. /// Returns [`RvmError::MemoryOverlap`] if the region is already registered. - pub fn register( - &mut self, - region_id: OwnedRegionId, - initial_tier: Tier, - ) -> RvmResult<()> { + pub fn register(&mut self, region_id: OwnedRegionId, initial_tier: Tier) -> RvmResult<()> { if self.count >= MAX_REGIONS { return Err(RvmError::ResourceLimitExceeded); } @@ -239,8 +235,10 @@ impl TierManager { Some(idx) => { self.regions[idx].last_access_epoch = self.current_epoch; // Boost recency score on access, saturate at 10_000. - self.regions[idx].recency_score = - self.regions[idx].recency_score.saturating_add(1_000).min(10_000); + self.regions[idx].recency_score = self.regions[idx] + .recency_score + .saturating_add(1_000) + .min(10_000); Ok(()) } None => Err(RvmError::PartitionNotFound), @@ -252,11 +250,7 @@ impl TierManager { /// # Errors /// /// Returns [`RvmError::PartitionNotFound`] if the region is not tracked. - pub fn update_cut_value( - &mut self, - region_id: OwnedRegionId, - cut_value: u16, - ) -> RvmResult<()> { + pub fn update_cut_value(&mut self, region_id: OwnedRegionId, cut_value: u16) -> RvmResult<()> { match self.find_slot(region_id) { Some(idx) => { self.regions[idx].cut_value = cut_value.min(10_000); @@ -277,11 +271,7 @@ impl TierManager { /// higher than the current tier, or if promoting from Cold. /// Returns [`RvmError::CoherenceBelowThreshold`] if the residency score /// does not meet the promotion threshold. - pub fn promote( - &mut self, - region_id: OwnedRegionId, - target_tier: Tier, - ) -> RvmResult { + pub fn promote(&mut self, region_id: OwnedRegionId, target_tier: Tier) -> RvmResult { let idx = self .find_slot(region_id) .ok_or(RvmError::PartitionNotFound)?; @@ -317,11 +307,7 @@ impl TierManager { /// Returns [`RvmError::PartitionNotFound`] if the region is not tracked. /// Returns [`RvmError::InvalidTierTransition`] if the target tier is not /// lower than the current tier. - pub fn demote( - &mut self, - region_id: OwnedRegionId, - target_tier: Tier, - ) -> RvmResult { + pub fn demote(&mut self, region_id: OwnedRegionId, target_tier: Tier) -> RvmResult { let idx = self .find_slot(region_id) .ok_or(RvmError::PartitionNotFound)?; @@ -360,10 +346,7 @@ impl TierManager { /// compression for Dormant demotion). /// /// `out` is a caller-provided buffer; returns the number of entries written. - pub fn find_demotion_candidates( - &self, - out: &mut [(OwnedRegionId, Tier)], - ) -> usize { + pub fn find_demotion_candidates(&self, out: &mut [(OwnedRegionId, Tier)]) -> usize { let mut written = 0; for slot in &self.regions { if !slot.occupied || written >= out.len() { @@ -445,7 +428,10 @@ mod tests { fn register_duplicate_fails() { let mut mgr = TierManager::<8>::new(); mgr.register(rid(1), Tier::Warm).unwrap(); - assert_eq!(mgr.register(rid(1), Tier::Hot), Err(RvmError::MemoryOverlap)); + assert_eq!( + mgr.register(rid(1), Tier::Hot), + Err(RvmError::MemoryOverlap) + ); } #[test] @@ -634,9 +620,15 @@ mod tests { // Verify each demotion target is correct. let candidates: &[(OwnedRegionId, Tier)] = &buf[..n]; - assert!(candidates.iter().any(|(id, t)| *id == rid(1) && *t == Tier::Warm)); - assert!(candidates.iter().any(|(id, t)| *id == rid(2) && *t == Tier::Dormant)); - assert!(candidates.iter().any(|(id, t)| *id == rid(3) && *t == Tier::Cold)); + assert!(candidates + .iter() + .any(|(id, t)| *id == rid(1) && *t == Tier::Warm)); + assert!(candidates + .iter() + .any(|(id, t)| *id == rid(2) && *t == Tier::Dormant)); + assert!(candidates + .iter() + .any(|(id, t)| *id == rid(3) && *t == Tier::Cold)); } #[test] diff --git a/crates/rvm-partition/src/device.rs b/crates/rvm-partition/src/device.rs index b765a4369..7f2636069 100644 --- a/crates/rvm-partition/src/device.rs +++ b/crates/rvm-partition/src/device.rs @@ -280,8 +280,7 @@ impl /// Returns `false` if the device id is invalid. #[must_use] pub fn is_device_available(&self, device_id: u32) -> bool { - self.find_device(device_id) - .is_some_and(|d| d.available) + self.find_device(device_id).is_some_and(|d| d.available) } /// Return the number of registered devices. @@ -351,8 +350,7 @@ mod tests { .unwrap(); mgr.register_device(make_info(DeviceClass::Storage, 0x5000_0000, 0x2000)) .unwrap(); - let result = - mgr.register_device(make_info(DeviceClass::Serial, 0x6000_0000, 0x100)); + let result = mgr.register_device(make_info(DeviceClass::Serial, 0x6000_0000, 0x100)); assert_eq!(result, Err(RvmError::ResourceLimitExceeded)); } @@ -453,10 +451,7 @@ mod tests { assert_eq!(mgr.get_lease_holder(dev_b), Some(pid(2))); // Each partition only sees its own device. - assert_ne!( - mgr.get_lease_holder(dev_a), - mgr.get_lease_holder(dev_b) - ); + assert_ne!(mgr.get_lease_holder(dev_a), mgr.get_lease_holder(dev_b)); } // --- Error paths --- diff --git a/crates/rvm-partition/src/ipc.rs b/crates/rvm-partition/src/ipc.rs index e5a6b4ce4..7a4c14385 100644 --- a/crates/rvm-partition/src/ipc.rs +++ b/crates/rvm-partition/src/ipc.rs @@ -52,7 +52,7 @@ impl MessageQueue { /// Const assertion: CAPACITY must be a power of two and non-zero. /// This enables efficient `& (CAPACITY - 1)` index wrapping. const _CAPACITY_IS_POWER_OF_TWO: () = assert!( - CAPACITY > 0 && (CAPACITY & (CAPACITY - 1)) == 0, + CAPACITY > 0 && CAPACITY.is_power_of_two(), "MessageQueue CAPACITY must be a non-zero power of two" ); @@ -60,7 +60,7 @@ impl MessageQueue { #[must_use] pub fn new() -> Self { // Ensure the const assertion is evaluated. - let _ = Self::_CAPACITY_IS_POWER_OF_TWO; + () = Self::_CAPACITY_IS_POWER_OF_TWO; Self { buffer: [EMPTY_MSG; CAPACITY], head: 0, @@ -179,11 +179,7 @@ impl IpcManager RvmResult { + pub fn create_channel(&mut self, from: PartitionId, to: PartitionId) -> RvmResult { if self.edge_count >= MAX_EDGES { return Err(RvmError::ResourceLimitExceeded); } @@ -201,7 +197,7 @@ impl IpcManager IpcManager RvmResult<()> { let channel = self.find_mut(edge_id)?; channel.queue.send(msg)?; @@ -276,14 +277,12 @@ impl IpcManager RvmResult<()> { for (i, slot) in self.queues.iter_mut().enumerate() { - let matches = slot - .as_ref() - .is_some_and(|ch| ch.edge_id == edge_id); + let matches = slot.as_ref().is_some_and(|ch| ch.edge_id == edge_id); if matches { *slot = None; self.edge_count -= 1; // Clear the hash index entry. - let hash_slot = (edge_id.as_u64() as usize) % MAX_EDGES; + let hash_slot = usize::try_from(edge_id.as_u64() % MAX_EDGES as u64).unwrap_or(0); if self.edge_index[hash_slot] == Some(i) { self.edge_index[hash_slot] = None; } @@ -314,7 +313,7 @@ impl IpcManager RvmResult<&ChannelMeta> { // O(1) fast path via hash index. - let hash_slot = (edge_id.as_u64() as usize) % MAX_EDGES; + let hash_slot = usize::try_from(edge_id.as_u64() % MAX_EDGES as u64).unwrap_or(0); if let Some(idx) = self.edge_index[hash_slot] { if let Some(ref ch) = self.queues[idx] { if ch.edge_id == edge_id { @@ -334,7 +333,7 @@ impl IpcManager RvmResult<&mut ChannelMeta> { // O(1) fast path via hash index. - let hash_slot = (edge_id.as_u64() as usize) % MAX_EDGES; + let hash_slot = usize::try_from(edge_id.as_u64() % MAX_EDGES as u64).unwrap_or(0); if let Some(idx) = self.edge_index[hash_slot] { if self.queues[idx] .as_ref() diff --git a/crates/rvm-partition/src/lib.rs b/crates/rvm-partition/src/lib.rs index d4a7548d1..3de1ea264 100644 --- a/crates/rvm-partition/src/lib.rs +++ b/crates/rvm-partition/src/lib.rs @@ -51,11 +51,9 @@ pub use device::{ActiveLease, DeviceInfo, DeviceLeaseManager}; pub use ipc::{IpcManager, IpcMessage, MessageQueue}; pub use lifecycle::valid_transition; pub use manager::PartitionManager; -pub use merge::{merge_preconditions_met, merge_preconditions_full, MergePreconditionError}; +pub use merge::{merge_preconditions_full, merge_preconditions_met, MergePreconditionError}; pub use ops::{PartitionConfig, PartitionOps, SplitConfig}; -pub use partition::{ - CutPressureLocal, Partition, PartitionState, PartitionType, MAX_PARTITIONS, -}; +pub use partition::{CutPressureLocal, Partition, PartitionState, PartitionType, MAX_PARTITIONS}; pub use split::scored_region_assignment; // Re-export commonly used types from rvm-types. diff --git a/crates/rvm-partition/src/lifecycle.rs b/crates/rvm-partition/src/lifecycle.rs index 766dfcf23..269bb8b38 100644 --- a/crates/rvm-partition/src/lifecycle.rs +++ b/crates/rvm-partition/src/lifecycle.rs @@ -35,21 +35,43 @@ mod tests { // --------------------------------------------------------------- #[test] - fn test_full_lifecycle_created_to_running_to_suspended_to_running_to_hibernated_to_created_to_running_to_destroyed() { + fn test_full_lifecycle_created_to_running_to_suspended_to_running_to_hibernated_to_created_to_running_to_destroyed( + ) { // Created -> Running - assert!(valid_transition(PartitionState::Created, PartitionState::Running)); + assert!(valid_transition( + PartitionState::Created, + PartitionState::Running + )); // Running -> Suspended - assert!(valid_transition(PartitionState::Running, PartitionState::Suspended)); + assert!(valid_transition( + PartitionState::Running, + PartitionState::Suspended + )); // Suspended -> Running - assert!(valid_transition(PartitionState::Suspended, PartitionState::Running)); + assert!(valid_transition( + PartitionState::Suspended, + PartitionState::Running + )); // Running -> Hibernated - assert!(valid_transition(PartitionState::Running, PartitionState::Hibernated)); + assert!(valid_transition( + PartitionState::Running, + PartitionState::Hibernated + )); // Hibernated -> Created - assert!(valid_transition(PartitionState::Hibernated, PartitionState::Created)); + assert!(valid_transition( + PartitionState::Hibernated, + PartitionState::Created + )); // Created -> Running (again) - assert!(valid_transition(PartitionState::Created, PartitionState::Running)); + assert!(valid_transition( + PartitionState::Created, + PartitionState::Running + )); // Running -> Destroyed - assert!(valid_transition(PartitionState::Running, PartitionState::Destroyed)); + assert!(valid_transition( + PartitionState::Running, + PartitionState::Destroyed + )); } // --------------------------------------------------------------- @@ -58,47 +80,74 @@ mod tests { #[test] fn test_created_to_running() { - assert!(valid_transition(PartitionState::Created, PartitionState::Running)); + assert!(valid_transition( + PartitionState::Created, + PartitionState::Running + )); } #[test] fn test_created_to_destroyed() { - assert!(valid_transition(PartitionState::Created, PartitionState::Destroyed)); + assert!(valid_transition( + PartitionState::Created, + PartitionState::Destroyed + )); } #[test] fn test_running_to_suspended() { - assert!(valid_transition(PartitionState::Running, PartitionState::Suspended)); + assert!(valid_transition( + PartitionState::Running, + PartitionState::Suspended + )); } #[test] fn test_running_to_destroyed() { - assert!(valid_transition(PartitionState::Running, PartitionState::Destroyed)); + assert!(valid_transition( + PartitionState::Running, + PartitionState::Destroyed + )); } #[test] fn test_running_to_hibernated() { - assert!(valid_transition(PartitionState::Running, PartitionState::Hibernated)); + assert!(valid_transition( + PartitionState::Running, + PartitionState::Hibernated + )); } #[test] fn test_suspended_to_running() { - assert!(valid_transition(PartitionState::Suspended, PartitionState::Running)); + assert!(valid_transition( + PartitionState::Suspended, + PartitionState::Running + )); } #[test] fn test_suspended_to_destroyed() { - assert!(valid_transition(PartitionState::Suspended, PartitionState::Destroyed)); + assert!(valid_transition( + PartitionState::Suspended, + PartitionState::Destroyed + )); } #[test] fn test_suspended_to_hibernated() { - assert!(valid_transition(PartitionState::Suspended, PartitionState::Hibernated)); + assert!(valid_transition( + PartitionState::Suspended, + PartitionState::Hibernated + )); } #[test] fn test_hibernated_to_created() { - assert!(valid_transition(PartitionState::Hibernated, PartitionState::Created)); + assert!(valid_transition( + PartitionState::Hibernated, + PartitionState::Created + )); } // --------------------------------------------------------------- @@ -107,65 +156,113 @@ mod tests { #[test] fn test_created_to_suspended_invalid() { - assert!(!valid_transition(PartitionState::Created, PartitionState::Suspended)); + assert!(!valid_transition( + PartitionState::Created, + PartitionState::Suspended + )); } #[test] fn test_created_to_hibernated_invalid() { - assert!(!valid_transition(PartitionState::Created, PartitionState::Hibernated)); + assert!(!valid_transition( + PartitionState::Created, + PartitionState::Hibernated + )); } #[test] fn test_created_to_created_invalid() { - assert!(!valid_transition(PartitionState::Created, PartitionState::Created)); + assert!(!valid_transition( + PartitionState::Created, + PartitionState::Created + )); } #[test] fn test_running_to_running_invalid() { - assert!(!valid_transition(PartitionState::Running, PartitionState::Running)); + assert!(!valid_transition( + PartitionState::Running, + PartitionState::Running + )); } #[test] fn test_running_to_created_invalid() { - assert!(!valid_transition(PartitionState::Running, PartitionState::Created)); + assert!(!valid_transition( + PartitionState::Running, + PartitionState::Created + )); } #[test] fn test_suspended_to_suspended_invalid() { - assert!(!valid_transition(PartitionState::Suspended, PartitionState::Suspended)); + assert!(!valid_transition( + PartitionState::Suspended, + PartitionState::Suspended + )); } #[test] fn test_suspended_to_created_invalid() { - assert!(!valid_transition(PartitionState::Suspended, PartitionState::Created)); + assert!(!valid_transition( + PartitionState::Suspended, + PartitionState::Created + )); } #[test] fn test_destroyed_to_anything_invalid() { - assert!(!valid_transition(PartitionState::Destroyed, PartitionState::Created)); - assert!(!valid_transition(PartitionState::Destroyed, PartitionState::Running)); - assert!(!valid_transition(PartitionState::Destroyed, PartitionState::Suspended)); - assert!(!valid_transition(PartitionState::Destroyed, PartitionState::Hibernated)); - assert!(!valid_transition(PartitionState::Destroyed, PartitionState::Destroyed)); + assert!(!valid_transition( + PartitionState::Destroyed, + PartitionState::Created + )); + assert!(!valid_transition( + PartitionState::Destroyed, + PartitionState::Running + )); + assert!(!valid_transition( + PartitionState::Destroyed, + PartitionState::Suspended + )); + assert!(!valid_transition( + PartitionState::Destroyed, + PartitionState::Hibernated + )); + assert!(!valid_transition( + PartitionState::Destroyed, + PartitionState::Destroyed + )); } #[test] fn test_hibernated_to_running_invalid() { - assert!(!valid_transition(PartitionState::Hibernated, PartitionState::Running)); + assert!(!valid_transition( + PartitionState::Hibernated, + PartitionState::Running + )); } #[test] fn test_hibernated_to_destroyed_valid() { - assert!(valid_transition(PartitionState::Hibernated, PartitionState::Destroyed)); + assert!(valid_transition( + PartitionState::Hibernated, + PartitionState::Destroyed + )); } #[test] fn test_hibernated_to_suspended_invalid() { - assert!(!valid_transition(PartitionState::Hibernated, PartitionState::Suspended)); + assert!(!valid_transition( + PartitionState::Hibernated, + PartitionState::Suspended + )); } #[test] fn test_hibernated_to_hibernated_invalid() { - assert!(!valid_transition(PartitionState::Hibernated, PartitionState::Hibernated)); + assert!(!valid_transition( + PartitionState::Hibernated, + PartitionState::Hibernated + )); } } diff --git a/crates/rvm-partition/src/manager.rs b/crates/rvm-partition/src/manager.rs index 1f8829f0c..5f0bed80e 100644 --- a/crates/rvm-partition/src/manager.rs +++ b/crates/rvm-partition/src/manager.rs @@ -54,7 +54,7 @@ impl PartitionManager { // Populate direct lookup index. let id_val = id.as_u32() as usize; if id_val < ID_INDEX_SIZE { - self.id_to_slot[id_val] = Some(i as u8); + self.id_to_slot[id_val] = Some(u8::try_from(i).unwrap_or(u8::MAX)); } return Ok(id); } diff --git a/crates/rvm-proof/src/engine.rs b/crates/rvm-proof/src/engine.rs index 1a00f8391..50264fe8c 100644 --- a/crates/rvm-proof/src/engine.rs +++ b/crates/rvm-proof/src/engine.rs @@ -413,7 +413,9 @@ mod tests { let mut engine = ProofEngine::<64>::new(); // First call succeeds. - assert!(engine.verify_and_witness(&token, &context, &cap_mgr, &witness_log).is_ok()); + assert!(engine + .verify_and_witness(&token, &context, &cap_mgr, &witness_log) + .is_ok()); // Second call with same nonce fails. let result = engine.verify_and_witness(&token, &context, &cap_mgr, &witness_log); @@ -513,7 +515,9 @@ mod tests { .build(); let mut engine = ProofEngine::<64>::new(); - assert!(engine.verify_and_witness(&token, &context, &cap_mgr, &witness_log).is_ok()); + assert!(engine + .verify_and_witness(&token, &context, &cap_mgr, &witness_log) + .is_ok()); let record = witness_log.get(0).unwrap(); assert_eq!(record.action_kind, ActionKind::ProofVerifiedP1 as u8); @@ -546,7 +550,9 @@ mod tests { .time_window(500, 1000) .nonce(nonce) .build(); - assert!(engine.verify_and_witness(&token, &context, &cap_mgr, &witness_log).is_ok()); + assert!(engine + .verify_and_witness(&token, &context, &cap_mgr, &witness_log) + .is_ok()); } assert_eq!(witness_log.total_emitted(), 5); } diff --git a/crates/rvm-proof/src/lib.rs b/crates/rvm-proof/src/lib.rs index 2b9856d81..0b3de186f 100644 --- a/crates/rvm-proof/src/lib.rs +++ b/crates/rvm-proof/src/lib.rs @@ -43,30 +43,30 @@ pub mod policy; pub mod signer; pub mod tee; pub mod tee_provider; -pub mod tee_verifier; pub mod tee_signer; +pub mod tee_verifier; // Re-export signer traits and types for ergonomic access. -pub use signer::{SignatureError, WitnessSigner}; -#[cfg(feature = "crypto-sha256")] -pub use signer::HmacSha256WitnessSigner; #[cfg(feature = "crypto-sha256")] pub use signer::DualHmacSigner; -#[cfg(feature = "crypto-sha256")] -pub use signer::{KeyBundle, derive_witness_key, derive_key_bundle, dev_measurement}; #[cfg(feature = "ed25519")] pub use signer::Ed25519WitnessSigner; +#[cfg(feature = "crypto-sha256")] +pub use signer::HmacSha256WitnessSigner; #[cfg(any(test, feature = "null-signer"))] pub use signer::NullSigner; +#[cfg(feature = "crypto-sha256")] +pub use signer::{derive_key_bundle, derive_witness_key, dev_measurement, KeyBundle}; +pub use signer::{SignatureError, WitnessSigner}; pub use tee::{TeePlatform, TeeQuoteProvider, TeeQuoteVerifier}; #[cfg(feature = "crypto-sha256")] pub use tee_provider::SoftwareTeeProvider; #[cfg(feature = "crypto-sha256")] -pub use tee_verifier::SoftwareTeeVerifier; -#[cfg(feature = "crypto-sha256")] pub use tee_signer::TeeWitnessSigner; +#[cfg(feature = "crypto-sha256")] +pub use tee_verifier::SoftwareTeeVerifier; -use rvm_types::{CapRights, CapToken, RvmError, RvmResult, WitnessHash, fnv1a_64}; +use rvm_types::{fnv1a_64, CapRights, CapToken, RvmError, RvmResult, WitnessHash}; /// The tier of proof required for a state transition. #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] @@ -163,6 +163,8 @@ pub fn verify(proof: &Proof, expected_commitment: &WitnessHash) -> RvmResult<()> Ok(()) } ProofTier::Witness => { + // Each link is 16 bytes: 8 bytes prev_hash + 8 bytes record_hash. + const LINK_SIZE: usize = 16; // Witness chain verification: the proof data must contain at // least one 16-byte witness record pair (prev_hash: u64, // record_hash: u64) and each record's prev_hash must equal @@ -171,8 +173,6 @@ pub fn verify(proof: &Proof, expected_commitment: &WitnessHash) -> RvmResult<()> return Err(RvmError::ProofInvalid); } let data = &proof.data[..proof.data_len as usize]; - // Each link is 16 bytes: 8 bytes prev_hash + 8 bytes record_hash. - const LINK_SIZE: usize = 16; if data.len() < LINK_SIZE { return Err(RvmError::ProofInvalid); } diff --git a/crates/rvm-proof/src/policy.rs b/crates/rvm-proof/src/policy.rs index 9fd143a74..3a86315e7 100644 --- a/crates/rvm-proof/src/policy.rs +++ b/crates/rvm-proof/src/policy.rs @@ -199,7 +199,7 @@ impl PolicyEvaluator { return true; } // O(1) hash-indexed lookup instead of linear scan. - let hash_slot = (nonce as usize) % NONCE_RING_SIZE; + let hash_slot = usize::try_from(nonce % NONCE_RING_SIZE as u64).unwrap_or(0); if self.nonce_hash[hash_slot] == nonce { return true; } @@ -210,7 +210,7 @@ impl PolicyEvaluator { fn record_nonce(&mut self, nonce: u64) { self.nonce_ring[self.nonce_write_pos] = nonce; // Populate hash index for O(1) lookup. - let hash_slot = (nonce as usize) % NONCE_RING_SIZE; + let hash_slot = usize::try_from(nonce % NONCE_RING_SIZE as u64).unwrap_or(0); self.nonce_hash[hash_slot] = nonce; self.nonce_write_pos = (self.nonce_write_pos + 1) % NONCE_RING_SIZE; // Advance watermark when the write pointer wraps around. @@ -271,7 +271,10 @@ mod tests { .time_window(500, 1000) .nonce(1) .build(); - assert_eq!(evaluator.evaluate_rule(Rule::RegionBounds, &ctx), Err(RvmError::ProofInvalid)); + assert_eq!( + evaluator.evaluate_rule(Rule::RegionBounds, &ctx), + Err(RvmError::ProofInvalid) + ); } #[test] @@ -283,7 +286,10 @@ mod tests { .time_window(2000, 1000) // current > expiry .nonce(1) .build(); - assert_eq!(evaluator.evaluate_rule(Rule::LeaseExpiry, &ctx), Err(RvmError::DeviceLeaseExpired)); + assert_eq!( + evaluator.evaluate_rule(Rule::LeaseExpiry, &ctx), + Err(RvmError::DeviceLeaseExpired) + ); } #[test] @@ -295,7 +301,10 @@ mod tests { assert!(evaluator.evaluate_all_rules(&ctx).is_ok()); // Second call with same nonce fails. - assert_eq!(evaluator.evaluate_all_rules(&ctx), Err(RvmError::ProofInvalid)); + assert_eq!( + evaluator.evaluate_all_rules(&ctx), + Err(RvmError::ProofInvalid) + ); } #[test] @@ -309,7 +318,10 @@ mod tests { .build(); // Zero nonce is now rejected by default (no free bypass). - assert_eq!(evaluator.evaluate_all_rules(&ctx), Err(RvmError::ProofInvalid)); + assert_eq!( + evaluator.evaluate_all_rules(&ctx), + Err(RvmError::ProofInvalid) + ); } #[test] @@ -340,7 +352,10 @@ mod tests { .build(); // Should return a single combined error. - assert_eq!(evaluator.evaluate_all_rules(&ctx), Err(RvmError::ProofInvalid)); + assert_eq!( + evaluator.evaluate_all_rules(&ctx), + Err(RvmError::ProofInvalid) + ); } #[test] @@ -603,7 +618,10 @@ mod tests { .time_window(500, 1000) .nonce(100) .build(); - assert_eq!(evaluator.evaluate_all_rules(&ctx), Err(RvmError::ProofInvalid)); + assert_eq!( + evaluator.evaluate_all_rules(&ctx), + Err(RvmError::ProofInvalid) + ); } #[test] diff --git a/crates/rvm-proof/src/signer.rs b/crates/rvm-proof/src/signer.rs index ee8aa8c21..6ffef1910 100644 --- a/crates/rvm-proof/src/signer.rs +++ b/crates/rvm-proof/src/signer.rs @@ -404,11 +404,7 @@ pub fn derive_witness_key(measurement: &[u8; 32], partition_id: u32) -> [u8; 32] pub fn derive_key_bundle(measurement: &[u8; 32], partition_id: u32) -> KeyBundle { KeyBundle { witness_key: derive_key_with_tag(measurement, partition_id, b"rvm-witness-key-v1"), - attestation_key: derive_key_with_tag( - measurement, - partition_id, - b"rvm-attestation-key-v1", - ), + attestation_key: derive_key_with_tag(measurement, partition_id, b"rvm-attestation-key-v1"), ipc_key: derive_key_with_tag(measurement, partition_id, b"rvm-ipc-key-v1"), } } @@ -479,7 +475,10 @@ mod tests { let digest = [0xBBu8; 32]; let mut sig = signer.sign(&digest); sig[0] ^= 0xFF; // Flip bits in the first byte. - assert_eq!(signer.verify(&digest, &sig), Err(SignatureError::BadSignature)); + assert_eq!( + signer.verify(&digest, &sig), + Err(SignatureError::BadSignature) + ); } #[test] @@ -488,7 +487,10 @@ mod tests { let digest_a = [0xAAu8; 32]; let digest_b = [0xBBu8; 32]; let sig = signer.sign(&digest_a); - assert_eq!(signer.verify(&digest_b, &sig), Err(SignatureError::BadSignature)); + assert_eq!( + signer.verify(&digest_b, &sig), + Err(SignatureError::BadSignature) + ); } #[test] @@ -497,7 +499,10 @@ mod tests { let signer_b = HmacSha256WitnessSigner::new([0x22u8; 32]); let digest = [0xCCu8; 32]; let sig = signer_a.sign(&digest); - assert_eq!(signer_b.verify(&digest, &sig), Err(SignatureError::BadSignature)); + assert_eq!( + signer_b.verify(&digest, &sig), + Err(SignatureError::BadSignature) + ); } #[test] @@ -694,8 +699,7 @@ mod tests { fn from_seed_and_new_produce_same_results() { let seed = test_seed(); let from_seed = Ed25519WitnessSigner::from_seed(seed); - let from_new = - Ed25519WitnessSigner::new(seed, *from_seed.public_key()); + let from_new = Ed25519WitnessSigner::new(seed, *from_seed.public_key()); let digest = [0xFFu8; 32]; assert_eq!(from_seed.sign(&digest), from_new.sign(&digest)); assert_eq!(from_seed.signer_id(), from_new.signer_id()); @@ -859,7 +863,7 @@ mod tests { #[test] fn null_signer_default() { - let signer = NullSigner::default(); + let signer = NullSigner; assert_eq!(signer.sign(&[0u8; 32]), [0u8; 64]); } diff --git a/crates/rvm-proof/src/tee_provider.rs b/crates/rvm-proof/src/tee_provider.rs index f4df7bcda..b4bb3ad3b 100644 --- a/crates/rvm-proof/src/tee_provider.rs +++ b/crates/rvm-proof/src/tee_provider.rs @@ -60,11 +60,7 @@ impl SoftwareTeeProvider { /// * `measurement` -- Simulated enclave measurement (MRENCLAVE, MRTD, etc.). /// * `signer_key` -- 32-byte key used for HMAC quote signing. #[must_use] - pub const fn new( - platform: TeePlatform, - measurement: [u8; 32], - signer_key: [u8; 32], - ) -> Self { + pub const fn new(platform: TeePlatform, measurement: [u8; 32], signer_key: [u8; 32]) -> Self { Self { platform, measurement, @@ -89,7 +85,7 @@ impl SoftwareTeeProvider { } } - /// Compute HMAC-SHA256 over the quote body (magic || platform || measurement || report_data). + /// Compute HMAC-SHA256 over the quote body (magic || platform || measurement || `report_data`). fn compute_quote_hmac(&self, body: &[u8]) -> [u8; 32] { let mut mac = ::new_from_slice(&self.signer_key) .expect("HMAC key length is 32 bytes"); @@ -113,12 +109,10 @@ impl TeeQuoteProvider for SoftwareTeeProvider { quote[OFFSET_PLATFORM] = Self::platform_byte(self.platform); // Measurement - quote[OFFSET_MEASUREMENT..OFFSET_MEASUREMENT + 32] - .copy_from_slice(&self.measurement); + quote[OFFSET_MEASUREMENT..OFFSET_MEASUREMENT + 32].copy_from_slice(&self.measurement); // Report data - quote[OFFSET_REPORT_DATA..OFFSET_REPORT_DATA + 64] - .copy_from_slice(report_data); + quote[OFFSET_REPORT_DATA..OFFSET_REPORT_DATA + 64].copy_from_slice(report_data); // HMAC over (magic || platform || measurement || report_data) let hmac_tag = self.compute_quote_hmac("e[..OFFSET_HMAC]); @@ -158,11 +152,7 @@ mod tests { use super::*; fn test_provider() -> SoftwareTeeProvider { - SoftwareTeeProvider::new( - TeePlatform::Sgx, - [0xAA; 32], - [0xBB; 32], - ) + SoftwareTeeProvider::new(TeePlatform::Sgx, [0xAA; 32], [0xBB; 32]) } #[test] @@ -187,11 +177,7 @@ mod tests { #[test] fn quote_contains_measurement() { let measurement = [0xCC; 32]; - let provider = SoftwareTeeProvider::new( - TeePlatform::SevSnp, - measurement, - [0xDD; 32], - ); + let provider = SoftwareTeeProvider::new(TeePlatform::SevSnp, measurement, [0xDD; 32]); let quote = provider.generate_quote(&[0; 64]).unwrap(); assert_eq!("e[5..37], &measurement); } @@ -233,11 +219,7 @@ mod tests { let provider = test_provider(); assert_eq!(provider.platform(), TeePlatform::Sgx); - let arm = SoftwareTeeProvider::new( - TeePlatform::ArmCca, - [0; 32], - [0; 32], - ); + let arm = SoftwareTeeProvider::new(TeePlatform::ArmCca, [0; 32], [0; 32]); assert_eq!(arm.platform(), TeePlatform::ArmCca); } @@ -251,16 +233,8 @@ mod tests { #[test] fn different_keys_produce_different_hmacs() { - let p1 = SoftwareTeeProvider::new( - TeePlatform::Sgx, - [0xAA; 32], - [0x11; 32], - ); - let p2 = SoftwareTeeProvider::new( - TeePlatform::Sgx, - [0xAA; 32], - [0x22; 32], - ); + let p1 = SoftwareTeeProvider::new(TeePlatform::Sgx, [0xAA; 32], [0x11; 32]); + let p2 = SoftwareTeeProvider::new(TeePlatform::Sgx, [0xAA; 32], [0x22; 32]); let rd = [0; 64]; let q1 = p1.generate_quote(&rd).unwrap(); let q2 = p2.generate_quote(&rd).unwrap(); diff --git a/crates/rvm-proof/src/tee_signer.rs b/crates/rvm-proof/src/tee_signer.rs index f6ce65bf8..f29c430c4 100644 --- a/crates/rvm-proof/src/tee_signer.rs +++ b/crates/rvm-proof/src/tee_signer.rs @@ -146,8 +146,8 @@ mod tests { use crate::signer::{HmacSha256WitnessSigner, SignatureError, WitnessSigner}; use crate::tee::{TeePlatform, TeeQuoteProvider, TeeQuoteVerifier}; use crate::tee_provider::SoftwareTeeProvider; - use crate::tee_verifier::SoftwareTeeVerifier; use crate::tee_signer::TeeWitnessSigner; + use crate::tee_verifier::SoftwareTeeVerifier; fn make_signer() -> TeeWitnessSigner { let tee_key = [0xBB; 32]; @@ -240,22 +240,12 @@ mod tests { let m1 = [0x11; 32]; let p1 = SoftwareTeeProvider::new(TeePlatform::Sgx, m1, tee_key); let v1 = SoftwareTeeVerifier::new(tee_key, 0, 0); - let s1 = TeeWitnessSigner::new( - p1, - v1, - HmacSha256WitnessSigner::new(hmac_key), - m1, - ); + let s1 = TeeWitnessSigner::new(p1, v1, HmacSha256WitnessSigner::new(hmac_key), m1); let m2 = [0x22; 32]; let p2 = SoftwareTeeProvider::new(TeePlatform::Sgx, m2, tee_key); let v2 = SoftwareTeeVerifier::new(tee_key, 0, 0); - let s2 = TeeWitnessSigner::new( - p2, - v2, - HmacSha256WitnessSigner::new(hmac_key), - m2, - ); + let s2 = TeeWitnessSigner::new(p2, v2, HmacSha256WitnessSigner::new(hmac_key), m2); assert_ne!(s1.signer_id(), s2.signer_id()); } @@ -268,19 +258,11 @@ mod tests { let provider_measurement = [0xAA; 32]; let signer_measurement = [0xFF; 32]; // Mismatch! let hmac_key = [0xCC; 32]; - let provider = SoftwareTeeProvider::new( - TeePlatform::Sgx, - provider_measurement, - tee_key, - ); + let provider = + SoftwareTeeProvider::new(TeePlatform::Sgx, provider_measurement, tee_key); let verifier = SoftwareTeeVerifier::new(tee_key, 0, 0); let hmac_signer = HmacSha256WitnessSigner::new(hmac_key); - let signer = TeeWitnessSigner::new( - provider, - verifier, - hmac_signer, - signer_measurement, - ); + let signer = TeeWitnessSigner::new(provider, verifier, hmac_signer, signer_measurement); let digest = [0x55; 32]; let sig = signer.sign(&digest); @@ -295,12 +277,7 @@ mod tests { let provider = SoftwareTeeProvider::new(TeePlatform::Sgx, measurement, tee_key); let verifier = SoftwareTeeVerifier::new(tee_key, 10, 20); // Expired. let hmac_signer = HmacSha256WitnessSigner::new(hmac_key); - let signer = TeeWitnessSigner::new( - provider, - verifier, - hmac_signer, - measurement, - ); + let signer = TeeWitnessSigner::new(provider, verifier, hmac_signer, measurement); let digest = [0x66; 32]; let sig = signer.sign(&digest); diff --git a/crates/rvm-proof/src/tee_verifier.rs b/crates/rvm-proof/src/tee_verifier.rs index b888bedc8..e061bea04 100644 --- a/crates/rvm-proof/src/tee_verifier.rs +++ b/crates/rvm-proof/src/tee_verifier.rs @@ -7,8 +7,8 @@ use crate::constant_time::ct_eq_32; use crate::signer::SignatureError; use crate::tee::TeeQuoteVerifier; use crate::tee_provider::{ - platform_from_byte, QUOTE_LEN, QUOTE_MAGIC, - OFFSET_HMAC, OFFSET_MEASUREMENT, OFFSET_PLATFORM, OFFSET_REPORT_DATA, + platform_from_byte, OFFSET_HMAC, OFFSET_MEASUREMENT, OFFSET_PLATFORM, OFFSET_REPORT_DATA, + QUOTE_LEN, QUOTE_MAGIC, }; #[cfg(feature = "crypto-sha256")] @@ -152,10 +152,10 @@ impl TeeQuoteVerifier for SoftwareTeeVerifier { mod tests { #[cfg(feature = "crypto-sha256")] mod verifier_tests { + use crate::signer::SignatureError; use crate::tee::{TeePlatform, TeeQuoteProvider, TeeQuoteVerifier}; use crate::tee_provider::SoftwareTeeProvider; use crate::tee_verifier::SoftwareTeeVerifier; - use crate::signer::SignatureError; fn test_pair() -> (SoftwareTeeProvider, SoftwareTeeVerifier) { let key = [0xBB; 32]; @@ -171,7 +171,9 @@ mod tests { let report_data = [0x11; 64]; let quote = provider.generate_quote(&report_data).unwrap(); let measurement = [0xAA; 32]; - assert!(verifier.verify_quote("e, &measurement, &report_data).is_ok()); + assert!(verifier + .verify_quote("e, &measurement, &report_data) + .is_ok()); } #[test] diff --git a/crates/rvm-sched/src/degraded.rs b/crates/rvm-sched/src/degraded.rs index 5e6de76e1..caa8d7cf6 100644 --- a/crates/rvm-sched/src/degraded.rs +++ b/crates/rvm-sched/src/degraded.rs @@ -26,8 +26,14 @@ mod tests { #[test] fn test_degraded_reasons() { - assert_ne!(DegradedReason::CoherenceUnavailable, DegradedReason::MinCutBudgetExceeded); - assert_ne!(DegradedReason::MinCutBudgetExceeded, DegradedReason::RecoveryTriggered); + assert_ne!( + DegradedReason::CoherenceUnavailable, + DegradedReason::MinCutBudgetExceeded + ); + assert_ne!( + DegradedReason::MinCutBudgetExceeded, + DegradedReason::RecoveryTriggered + ); } #[test] diff --git a/crates/rvm-sched/src/lib.rs b/crates/rvm-sched/src/lib.rs index 9a27687cf..b4d09f4cf 100644 --- a/crates/rvm-sched/src/lib.rs +++ b/crates/rvm-sched/src/lib.rs @@ -61,7 +61,7 @@ pub use per_cpu::PerCpuScheduler; pub use priority::compute_priority; pub use scheduler::Scheduler; pub use smp::{CpuState, SmpCoordinator}; -pub use switch::{SwitchContext, SwitchResult, partition_switch}; +pub use switch::{partition_switch, SwitchContext, SwitchResult}; // Re-export commonly used types. pub use rvm_types::{CoherenceScore, CutPressure, PartitionId, RvmError, RvmResult}; diff --git a/crates/rvm-sched/src/modes.rs b/crates/rvm-sched/src/modes.rs index 265e2e096..404f6bbb2 100644 --- a/crates/rvm-sched/src/modes.rs +++ b/crates/rvm-sched/src/modes.rs @@ -23,7 +23,11 @@ mod tests { #[test] fn test_mode_variants() { - let modes = [SchedulerMode::Reflex, SchedulerMode::Flow, SchedulerMode::Recovery]; + let modes = [ + SchedulerMode::Reflex, + SchedulerMode::Flow, + SchedulerMode::Recovery, + ]; assert_eq!(modes.len(), 3); } } diff --git a/crates/rvm-sched/src/priority.rs b/crates/rvm-sched/src/priority.rs index 8010fb7c9..0c39fe4bb 100644 --- a/crates/rvm-sched/src/priority.rs +++ b/crates/rvm-sched/src/priority.rs @@ -44,9 +44,11 @@ mod tests { #[test] fn test_no_overflow() { - // Maximum deadline + maximum pressure should not overflow. + // Maximum deadline + maximum pressure should not overflow u32. let pressure = CutPressure::from_fixed(u32::MAX); let result = compute_priority(u16::MAX, pressure); - assert!(result <= u32::MAX); + // Verify computation completed without panic (overflow would panic in + // debug builds). Result is always a valid u32. + let _ = result; } } diff --git a/crates/rvm-sched/src/scheduler.rs b/crates/rvm-sched/src/scheduler.rs index 4088af5bd..3c41511dd 100644 --- a/crates/rvm-sched/src/scheduler.rs +++ b/crates/rvm-sched/src/scheduler.rs @@ -124,7 +124,11 @@ impl Scheduler EpochSummary { let runnable: u32 = self.queue_lens.iter().map(|&l| l as u32).sum(); // Clamp to u16::MAX to fit EpochSummary::runnable_count. - let clamped = if runnable > u16::MAX as u32 { u16::MAX } else { runnable as u16 }; + let clamped = if runnable > u16::MAX as u32 { + u16::MAX + } else { + runnable as u16 + }; self.epoch.advance(clamped) } @@ -220,12 +224,11 @@ impl Scheduler SmpCoordinator { /// /// * [`RvmError::ResourceLimitExceeded`] -- `cpu_id` is out of range. /// * [`RvmError::InvalidPartitionState`] -- CPU is offline or already busy. - pub fn assign_partition( - &mut self, - cpu_id: u8, - partition: PartitionId, - ) -> RvmResult<()> { + pub fn assign_partition(&mut self, cpu_id: u8, partition: PartitionId) -> RvmResult<()> { let state = self .get_state_mut(cpu_id) .ok_or(RvmError::ResourceLimitExceeded)?; @@ -175,10 +171,7 @@ impl SmpCoordinator { /// Return the number of online CPUs. #[must_use] pub fn active_count(&self) -> u16 { - self.cpu_states - .iter() - .filter(|s| s.online) - .count() as u16 + self.cpu_states.iter().filter(|s| s.online).count() as u16 } /// Provide a rebalance hint: `(overloaded_cpu, idle_cpu)`. diff --git a/crates/rvm-sched/src/switch.rs b/crates/rvm-sched/src/switch.rs index 381c468e7..ec3939fed 100644 --- a/crates/rvm-sched/src/switch.rs +++ b/crates/rvm-sched/src/switch.rs @@ -68,13 +68,7 @@ impl SwitchContext { /// VMID, and stage-2 page table base. /// /// This prepares a context for first entry into a guest partition. - pub fn init( - &mut self, - entry_point: u64, - stack_pointer: u64, - vmid: u16, - s2_table_base: u64, - ) { + pub fn init(&mut self, entry_point: u64, stack_pointer: u64, vmid: u16, s2_table_base: u64) { self.elr_el2 = entry_point; self.sp_el1 = stack_pointer; // AArch64 EL1h mode, all DAIF masked. diff --git a/crates/rvm-security/src/attestation.rs b/crates/rvm-security/src/attestation.rs index 6bdca27b7..6b1b382c5 100644 --- a/crates/rvm-security/src/attestation.rs +++ b/crates/rvm-security/src/attestation.rs @@ -104,7 +104,7 @@ impl AttestationChain { /// `chain_root: [u8; 32]` field. #[cfg(feature = "crypto-sha256")] fn extend_chain_hash(&mut self, hash: &[u8; 32]) { - use sha2::{Sha256, Digest}; + use sha2::{Digest, Sha256}; let mut hasher = Sha256::new(); hasher.update(self.chain_hash); @@ -313,7 +313,7 @@ mod tests { fn test_chain_full() { let mut chain = AttestationChain::new(); for i in 0..MAX_ATTESTATION_ENTRIES { - assert!(chain.add_boot_measurement([i as u8; 32])); + assert!(chain.add_boot_measurement([u8::try_from(i).unwrap_or(0xFF); 32])); } assert_eq!(chain.len(), MAX_ATTESTATION_ENTRIES); // Chain is now full diff --git a/crates/rvm-security/src/budget.rs b/crates/rvm-security/src/budget.rs index 0f1181ffa..0d8a87ca6 100644 --- a/crates/rvm-security/src/budget.rs +++ b/crates/rvm-security/src/budget.rs @@ -224,6 +224,11 @@ impl GpuQuota { } /// Check if a compute operation fits within budget and record it. + /// + /// # Errors + /// + /// Returns [`RvmError::ResourceLimitExceeded`] if the compute budget + /// would be exceeded. pub fn check_compute(&mut self, ns: u64) -> RvmResult<()> { let new_total = self .compute_ns_used @@ -237,6 +242,11 @@ impl GpuQuota { } /// Check if a memory allocation fits within budget and record it. + /// + /// # Errors + /// + /// Returns [`RvmError::ResourceLimitExceeded`] if the memory budget + /// would be exceeded. pub fn check_memory(&mut self, bytes: u64) -> RvmResult<()> { let new_total = self .memory_used @@ -250,6 +260,11 @@ impl GpuQuota { } /// Check if a transfer fits within budget and record it. + /// + /// # Errors + /// + /// Returns [`RvmError::ResourceLimitExceeded`] if the transfer budget + /// would be exceeded. pub fn check_transfer(&mut self, bytes: u64) -> RvmResult<()> { if bytes == 0 { return Ok(()); @@ -266,6 +281,11 @@ impl GpuQuota { } /// Check if a kernel launch fits within budget and record it. + /// + /// # Errors + /// + /// Returns [`RvmError::ResourceLimitExceeded`] if the kernel launch + /// budget would be exceeded. pub fn check_launch(&mut self) -> RvmResult<()> { if self.kernel_launches_used >= self.kernel_launches_max { return Err(RvmError::ResourceLimitExceeded); @@ -275,11 +295,21 @@ impl GpuQuota { } /// Record a transfer without a separate check (atomic check-and-record). + /// + /// # Errors + /// + /// Returns [`RvmError::ResourceLimitExceeded`] if the transfer budget + /// would be exceeded. pub fn record_transfer(&mut self, bytes: u64) -> RvmResult<()> { self.check_transfer(bytes) } /// Record a kernel launch without a separate check (atomic check-and-record). + /// + /// # Errors + /// + /// Returns [`RvmError::ResourceLimitExceeded`] if the kernel launch + /// budget would be exceeded. pub fn record_launch(&mut self) -> RvmResult<()> { self.check_launch() } @@ -318,10 +348,7 @@ mod tests { fn test_dma_budget_denies_over_limit() { let mut budget = DmaBudget::new(1000); budget.check_dma(500).unwrap(); - assert_eq!( - budget.check_dma(501), - Err(RvmError::ResourceLimitExceeded) - ); + assert_eq!(budget.check_dma(501), Err(RvmError::ResourceLimitExceeded)); } #[test] @@ -345,10 +372,7 @@ mod tests { fn test_dma_budget_overflow() { let mut budget = DmaBudget::new(u64::MAX); budget.check_dma(u64::MAX - 1).unwrap(); - assert_eq!( - budget.check_dma(2), - Err(RvmError::ResourceLimitExceeded) - ); + assert_eq!(budget.check_dma(2), Err(RvmError::ResourceLimitExceeded)); } // --- Resource Quota tests --- @@ -395,10 +419,7 @@ mod tests { let mut quota = ResourceQuota::new(0, 0, 0, 1000); assert!(quota.dma.check_dma(500).is_ok()); assert!(quota.dma.check_dma(500).is_ok()); - assert_eq!( - quota.dma.check_dma(1), - Err(RvmError::ResourceLimitExceeded) - ); + assert_eq!(quota.dma.check_dma(1), Err(RvmError::ResourceLimitExceeded)); } #[test] @@ -415,10 +436,7 @@ mod tests { Err(RvmError::ResourceLimitExceeded) ); assert_eq!(quota.check_ipc(), Err(RvmError::ResourceLimitExceeded)); - assert_eq!( - quota.dma.check_dma(1), - Err(RvmError::ResourceLimitExceeded) - ); + assert_eq!(quota.dma.check_dma(1), Err(RvmError::ResourceLimitExceeded)); // Reset epoch — CPU, IPC, DMA should be available again quota.reset_epoch(); diff --git a/crates/rvm-security/src/gate.rs b/crates/rvm-security/src/gate.rs index c95f86471..7e9c6cf06 100644 --- a/crates/rvm-security/src/gate.rs +++ b/crates/rvm-security/src/gate.rs @@ -75,13 +75,13 @@ pub enum SecurityError { /// Compact P3 witness chain supplied by the caller for gate-side /// verification. /// -/// Contains up to 4 chain links (prev_hash, record_hash) pairs +/// Contains up to 4 chain links (`prev_hash`, `record_hash`) pairs /// and optional 8-byte signatures. The gate walks these links to /// verify chain continuity (and optionally signature integrity) /// rather than trusting the caller's `p3_chain_valid` boolean. #[derive(Debug, Clone, Copy)] pub struct P3WitnessChain { - /// Chain link data: pairs of (prev_hash: u64, record_hash: u64). + /// Chain link data: pairs of (`prev_hash`: u64, `record_hash`: u64). pub links: [[u64; 2]; 4], /// Optional 8-byte auxiliary signatures per link (from `WitnessRecord.aux`). /// @@ -328,9 +328,15 @@ impl<'a, const N: usize, S: rvm_witness::WitnessSigner> SignedSecurityGate<'a, N continue; } // Reconstruct a minimal witness record from chain link data. + // Truncate the 64-bit chain link values to 32-bit hash fields + // (intentional: chain links store the truncated hashes). + #[allow(clippy::cast_possible_truncation)] let mut record = WitnessRecord::zeroed(); - record.prev_hash = chain.links[i][0] as u32; - record.record_hash = chain.links[i][1] as u32; + #[allow(clippy::cast_possible_truncation)] + { + record.prev_hash = chain.links[i][0] as u32; + record.record_hash = chain.links[i][1] as u32; + } record.sequence = i as u64; record.aux = sig; @@ -732,8 +738,12 @@ mod tests { // verify_chain_signatures expects. for i in 0..2 { let mut record = WitnessRecord::zeroed(); - record.prev_hash = chain.links[i][0] as u32; - record.record_hash = chain.links[i][1] as u32; + // Intentional truncation: chain link values are stored as u32 hashes. + #[allow(clippy::cast_possible_truncation)] + { + record.prev_hash = chain.links[i][0] as u32; + record.record_hash = chain.links[i][1] as u32; + } record.sequence = i as u64; chain.signatures[i] = signer.sign(&record); } diff --git a/crates/rvm-security/src/lib.rs b/crates/rvm-security/src/lib.rs index c2905224a..a25e13fb0 100644 --- a/crates/rvm-security/src/lib.rs +++ b/crates/rvm-security/src/lib.rs @@ -41,11 +41,10 @@ pub mod validation; use rvm_types::{CapRights, CapToken, CapType, RvmError, RvmResult, WitnessHash}; // Re-export key types for convenience. -pub use attestation::{AttestationChain, AttestationReport, verify_attestation}; +pub use attestation::{verify_attestation, AttestationChain, AttestationReport}; pub use budget::{DmaBudget, ResourceQuota}; pub use gate::{ - GateRequest, GateResponse, P3WitnessChain, SecurityError, SecurityGate, - SignedSecurityGate, + GateRequest, GateResponse, P3WitnessChain, SecurityError, SecurityGate, SignedSecurityGate, }; /// The result of a security policy decision. diff --git a/crates/rvm-types/src/lib.rs b/crates/rvm-types/src/lib.rs index c54cde4bf..0ed53f8e1 100644 --- a/crates/rvm-types/src/lib.rs +++ b/crates/rvm-types/src/lib.rs @@ -64,8 +64,8 @@ pub use capability::{ // --- Witness types --- pub use witness::{ - ActionKind, WitnessHash, WitnessRecord, WITNESS_RECORD_SIZE, WITNESS_RING_CAPACITY, fnv1a_32, - fnv1a_64, + fnv1a_32, fnv1a_64, ActionKind, WitnessHash, WitnessRecord, WITNESS_RECORD_SIZE, + WITNESS_RING_CAPACITY, }; // --- Coherence types --- @@ -90,7 +90,7 @@ pub use proof::{ProofResult, ProofTier, ProofToken}; pub use scheduler::{EpochConfig, EpochSummary, Priority, SchedulerMode}; // --- Recovery types --- -pub use recovery::{FailureClass, RecoveryCheckpoint, ReconstructionReceipt}; +pub use recovery::{FailureClass, ReconstructionReceipt, RecoveryCheckpoint}; // --- Configuration --- pub use config::RvmConfig; diff --git a/crates/rvm-types/src/memory.rs b/crates/rvm-types/src/memory.rs index 91808d193..bb8b451dd 100644 --- a/crates/rvm-types/src/memory.rs +++ b/crates/rvm-types/src/memory.rs @@ -1,6 +1,6 @@ //! Memory region types. -use crate::{GuestPhysAddr, PhysAddr, PartitionId}; +use crate::{GuestPhysAddr, PartitionId, PhysAddr}; /// Unique identifier for an owned memory region. #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] diff --git a/crates/rvm-types/src/witness.rs b/crates/rvm-types/src/witness.rs index 86226553c..0e8ecb0ac 100644 --- a/crates/rvm-types/src/witness.rs +++ b/crates/rvm-types/src/witness.rs @@ -166,145 +166,145 @@ impl core::fmt::Display for WitnessHash { pub enum ActionKind { // --- Partition lifecycle (0x01-0x0F) --- /// A new partition was created. - PartitionCreate = 0x01, + PartitionCreate = 0x01, /// A partition was destroyed and its resources freed. - PartitionDestroy = 0x02, + PartitionDestroy = 0x02, /// A partition was suspended (tasks paused). - PartitionSuspend = 0x03, + PartitionSuspend = 0x03, /// A suspended partition was resumed. - PartitionResume = 0x04, + PartitionResume = 0x04, /// A partition was split along a mincut boundary. - PartitionSplit = 0x05, + PartitionSplit = 0x05, /// Two partitions were merged into one. - PartitionMerge = 0x06, + PartitionMerge = 0x06, /// A partition was hibernated to dormant/cold storage. - PartitionHibernate = 0x07, + PartitionHibernate = 0x07, /// A hibernated partition was reconstructed from its receipt. PartitionReconstruct = 0x08, /// A partition was migrated to another node. - PartitionMigrate = 0x09, + PartitionMigrate = 0x09, // --- Capability operations (0x10-0x1F) --- /// A capability was granted (copied) to another partition. - CapabilityGrant = 0x10, + CapabilityGrant = 0x10, /// A capability was revoked. - CapabilityRevoke = 0x11, + CapabilityRevoke = 0x11, /// A capability was delegated (with depth decrement). - CapabilityDelegate = 0x12, + CapabilityDelegate = 0x12, /// Delegation depth was increased (escalation). - CapabilityEscalate = 0x13, + CapabilityEscalate = 0x13, /// Capability was attenuated during a partition split (DC-8). CapabilityAttenuated = 0x14, // --- Memory operations (0x20-0x2F) --- /// A memory region was created. - RegionCreate = 0x20, + RegionCreate = 0x20, /// A memory region was destroyed. - RegionDestroy = 0x21, + RegionDestroy = 0x21, /// A memory region was transferred to another partition. - RegionTransfer = 0x22, + RegionTransfer = 0x22, /// A memory region was shared (read-only) with another partition. - RegionShare = 0x23, + RegionShare = 0x23, /// A shared memory region was unshared. - RegionUnshare = 0x24, + RegionUnshare = 0x24, /// A memory region was promoted to a warmer tier. - RegionPromote = 0x25, + RegionPromote = 0x25, /// A memory region was demoted to a colder tier. - RegionDemote = 0x26, + RegionDemote = 0x26, /// A stage-2 mapping was added for a memory region. - RegionMap = 0x27, + RegionMap = 0x27, /// A stage-2 mapping was removed for a memory region. - RegionUnmap = 0x28, + RegionUnmap = 0x28, // --- Communication (0x30-0x3F) --- /// A communication edge was created between two partitions. - CommEdgeCreate = 0x30, + CommEdgeCreate = 0x30, /// A communication edge was destroyed. - CommEdgeDestroy = 0x31, + CommEdgeDestroy = 0x31, /// An IPC message was sent. - IpcSend = 0x32, + IpcSend = 0x32, /// An IPC message was received. - IpcReceive = 0x33, + IpcReceive = 0x33, /// A zero-copy memory share was established. - ZeroCopyShare = 0x34, + ZeroCopyShare = 0x34, /// A notification signal was sent. - NotificationSignal = 0x35, + NotificationSignal = 0x35, // --- Device operations (0x40-0x4F) --- /// A device lease was granted. - DeviceLeaseGrant = 0x40, + DeviceLeaseGrant = 0x40, /// A device lease was revoked. - DeviceLeaseRevoke = 0x41, + DeviceLeaseRevoke = 0x41, /// A device lease expired (time-bounded). - DeviceLeaseExpire = 0x42, + DeviceLeaseExpire = 0x42, /// A device lease was renewed. - DeviceLeaseRenew = 0x43, + DeviceLeaseRenew = 0x43, // --- Proof verification (0x50-0x5F) --- /// A P1 capability check passed. - ProofVerifiedP1 = 0x50, + ProofVerifiedP1 = 0x50, /// A P2 policy validation passed. - ProofVerifiedP2 = 0x51, + ProofVerifiedP2 = 0x51, /// A P3 deep proof passed. - ProofVerifiedP3 = 0x52, + ProofVerifiedP3 = 0x52, /// A proof was rejected. - ProofRejected = 0x53, + ProofRejected = 0x53, /// A proof was escalated to a higher tier. - ProofEscalated = 0x54, + ProofEscalated = 0x54, // --- Scheduler decisions (0x60-0x6F) --- /// Scheduler epoch boundary (bulk switch summary per DC-10). - SchedulerEpoch = 0x60, + SchedulerEpoch = 0x60, /// Scheduler mode switched (Reflex / Flow / Recovery). - SchedulerModeSwitch = 0x61, + SchedulerModeSwitch = 0x61, /// A task was spawned within a partition. - TaskSpawn = 0x62, + TaskSpawn = 0x62, /// A task was terminated. - TaskTerminate = 0x63, + TaskTerminate = 0x63, /// Scheduler triggered a structural split. - StructuralSplit = 0x64, + StructuralSplit = 0x64, /// Scheduler triggered a structural merge. - StructuralMerge = 0x65, + StructuralMerge = 0x65, // --- Recovery actions (0x70-0x7F) --- /// System entered recovery mode. - RecoveryEnter = 0x70, + RecoveryEnter = 0x70, /// System exited recovery mode. - RecoveryExit = 0x71, + RecoveryExit = 0x71, /// A recovery checkpoint was created. - CheckpointCreated = 0x72, + CheckpointCreated = 0x72, /// A recovery checkpoint was restored. - CheckpointRestored = 0x73, + CheckpointRestored = 0x73, /// Mincut budget was exceeded, stale cut used (DC-2 fallback). MinCutBudgetExceeded = 0x74, /// System entered degraded mode (DC-6). - DegradedModeEntered = 0x75, + DegradedModeEntered = 0x75, /// System exited degraded mode. - DegradedModeExited = 0x76, + DegradedModeExited = 0x76, // --- Boot and attestation (0x80-0x8F) --- /// Boot attestation record (genesis witness). - BootAttestation = 0x80, + BootAttestation = 0x80, /// Boot sequence completed successfully. - BootComplete = 0x81, + BootComplete = 0x81, /// TEE-backed attestation record. - TeeAttestation = 0x82, + TeeAttestation = 0x82, // --- Vector/Graph mutations (0x90-0x9F) --- /// A vector was inserted into the coherence graph. - VectorPut = 0x90, + VectorPut = 0x90, /// A vector was deleted from the coherence graph. - VectorDelete = 0x91, + VectorDelete = 0x91, /// A graph mutation occurred. - GraphMutation = 0x92, + GraphMutation = 0x92, /// Coherence scores were recomputed. - CoherenceRecomputed = 0x93, + CoherenceRecomputed = 0x93, // --- VMID management (0xA0-0xAF) --- /// A physical VMID was reclaimed from a hibernated partition (DC-12). - VmidReclaim = 0xA0, + VmidReclaim = 0xA0, /// Migration timed out and was aborted (DC-7). - MigrationTimeout = 0xA1, + MigrationTimeout = 0xA1, } impl ActionKind { @@ -342,28 +342,28 @@ pub fn fnv1a_64(data: &[u8]) -> u64 { // Process 8 bytes at a time (unrolled), preserving standard FNV-1a // per-byte XOR-then-multiply semantics for hash compatibility. while i + 8 <= len { - hash ^= data[i] as u64; + hash ^= u64::from(data[i]); hash = hash.wrapping_mul(FNV_PRIME); - hash ^= data[i + 1] as u64; + hash ^= u64::from(data[i + 1]); hash = hash.wrapping_mul(FNV_PRIME); - hash ^= data[i + 2] as u64; + hash ^= u64::from(data[i + 2]); hash = hash.wrapping_mul(FNV_PRIME); - hash ^= data[i + 3] as u64; + hash ^= u64::from(data[i + 3]); hash = hash.wrapping_mul(FNV_PRIME); - hash ^= data[i + 4] as u64; + hash ^= u64::from(data[i + 4]); hash = hash.wrapping_mul(FNV_PRIME); - hash ^= data[i + 5] as u64; + hash ^= u64::from(data[i + 5]); hash = hash.wrapping_mul(FNV_PRIME); - hash ^= data[i + 6] as u64; + hash ^= u64::from(data[i + 6]); hash = hash.wrapping_mul(FNV_PRIME); - hash ^= data[i + 7] as u64; + hash ^= u64::from(data[i + 7]); hash = hash.wrapping_mul(FNV_PRIME); i += 8; } // Handle remaining bytes one at a time. while i < len { - hash ^= data[i] as u64; + hash ^= u64::from(data[i]); hash = hash.wrapping_mul(FNV_PRIME); i += 1; } diff --git a/crates/rvm-wasm/src/agent.rs b/crates/rvm-wasm/src/agent.rs index 8df9f8edb..91bf99b17 100644 --- a/crates/rvm-wasm/src/agent.rs +++ b/crates/rvm-wasm/src/agent.rs @@ -326,7 +326,10 @@ mod tests { let mut mgr = AgentManager::<2>::new(); mgr.spawn(&make_config(1), &log).unwrap(); mgr.spawn(&make_config(2), &log).unwrap(); - assert_eq!(mgr.spawn(&make_config(3), &log), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + mgr.spawn(&make_config(3), &log), + Err(RvmError::ResourceLimitExceeded) + ); } #[test] diff --git a/crates/rvm-wasm/src/host_functions.rs b/crates/rvm-wasm/src/host_functions.rs index fc802eb4f..307102de7 100644 --- a/crates/rvm-wasm/src/host_functions.rs +++ b/crates/rvm-wasm/src/host_functions.rs @@ -308,20 +308,23 @@ pub fn dispatch_host_call( Err(e) => HostCallResult::Error(e), }, #[cfg(feature = "gpu")] - HostFunction::GpuTransfer => match ctx.gpu_transfer(agent_id, args.arg0, args.arg1, args.arg2) { - Ok(v) => HostCallResult::Success(v), - Err(e) => HostCallResult::Error(e), - }, + HostFunction::GpuTransfer => { + match ctx.gpu_transfer(agent_id, args.arg0, args.arg1, args.arg2) { + Ok(v) => HostCallResult::Success(v), + Err(e) => HostCallResult::Error(e), + } + } #[cfg(feature = "gpu")] HostFunction::GpuSync => match ctx.gpu_sync(agent_id) { Ok(v) => HostCallResult::Success(v), Err(e) => HostCallResult::Error(e), }, #[cfg(not(feature = "gpu"))] - HostFunction::GpuLaunch | HostFunction::GpuAlloc | HostFunction::GpuFree - | HostFunction::GpuTransfer | HostFunction::GpuSync => { - HostCallResult::Error(RvmError::InternalError) - } + HostFunction::GpuLaunch + | HostFunction::GpuAlloc + | HostFunction::GpuFree + | HostFunction::GpuTransfer + | HostFunction::GpuSync => HostCallResult::Error(RvmError::InternalError), } } @@ -341,7 +344,7 @@ pub fn dispatch_host_call_stub( #[cfg(test)] mod tests { use super::*; - use rvm_types::{CapType, CapToken}; + use rvm_types::{CapToken, CapType}; fn make_token(rights: CapRights) -> CapToken { CapToken::new(1, CapType::Partition, rights, 0) @@ -357,7 +360,8 @@ mod tests { fn test_get_id() { let agent = AgentId::from_badge(42); let token = make_token(all_rights()); - let result = dispatch_host_call_stub(agent, HostFunction::GetId, &HostCallArgs::empty(), &token); + let result = + dispatch_host_call_stub(agent, HostFunction::GetId, &HostCallArgs::empty(), &token); assert_eq!(result, HostCallResult::Success(42)); } @@ -365,29 +369,39 @@ mod tests { fn test_capability_check_fails() { let agent = AgentId::from_badge(1); let token = make_token(CapRights::READ); // No WRITE - let result = dispatch_host_call_stub( - agent, - HostFunction::Send, - &HostCallArgs::empty(), - &token, + let result = + dispatch_host_call_stub(agent, HostFunction::Send, &HostCallArgs::empty(), &token); + assert_eq!( + result, + HostCallResult::Error(RvmError::InsufficientCapability) ); - assert_eq!(result, HostCallResult::Error(RvmError::InsufficientCapability)); } #[test] fn test_alloc_zero_pages() { let agent = AgentId::from_badge(1); let token = make_token(all_rights()); - let args = HostCallArgs { arg0: 0, arg1: 0, arg2: 0 }; + let args = HostCallArgs { + arg0: 0, + arg1: 0, + arg2: 0, + }; let result = dispatch_host_call_stub(agent, HostFunction::Alloc, &args, &token); - assert_eq!(result, HostCallResult::Error(RvmError::ResourceLimitExceeded)); + assert_eq!( + result, + HostCallResult::Error(RvmError::ResourceLimitExceeded) + ); } #[test] fn test_alloc_success() { let agent = AgentId::from_badge(1); let token = make_token(all_rights()); - let args = HostCallArgs { arg0: 4, arg1: 0, arg2: 0 }; + let args = HostCallArgs { + arg0: 4, + arg1: 0, + arg2: 0, + }; let result = dispatch_host_call_stub(agent, HostFunction::Alloc, &args, &token); assert_eq!(result, HostCallResult::Success(4)); } @@ -396,13 +410,16 @@ mod tests { fn test_yield_readonly() { let agent = AgentId::from_badge(1); let token = make_token(CapRights::READ); - let result = dispatch_host_call_stub(agent, HostFunction::Yield, &HostCallArgs::empty(), &token); + let result = + dispatch_host_call_stub(agent, HostFunction::Yield, &HostCallArgs::empty(), &token); assert!(result.is_success()); } #[test] fn test_custom_host_context() { - struct CountingCtx { send_count: u64 } + struct CountingCtx { + send_count: u64, + } impl HostContext for CountingCtx { fn send(&mut self, _: AgentId, _: u64, length: u64) -> RvmResult { self.send_count += 1; @@ -413,7 +430,11 @@ mod tests { let agent = AgentId::from_badge(1); let token = make_token(all_rights()); let mut ctx = CountingCtx { send_count: 0 }; - let args = HostCallArgs { arg0: 2, arg1: 100, arg2: 0 }; + let args = HostCallArgs { + arg0: 2, + arg1: 100, + arg2: 0, + }; let result = dispatch_host_call(agent, HostFunction::Send, &args, &token, &mut ctx); assert_eq!(result, HostCallResult::Success(100)); diff --git a/crates/rvm-wasm/src/lib.rs b/crates/rvm-wasm/src/lib.rs index 79b9af9d0..0068c6b1f 100644 --- a/crates/rvm-wasm/src/lib.rs +++ b/crates/rvm-wasm/src/lib.rs @@ -137,6 +137,7 @@ impl WasmSectionId { /// Summary of validated Wasm sections found in a module. #[derive(Debug, Clone, Copy, Default, PartialEq, Eq)] +#[allow(clippy::struct_excessive_bools)] pub struct WasmValidationResult { /// Number of sections found. pub section_count: u16, @@ -193,8 +194,7 @@ pub fn validate_module(bytes: &[u8]) -> RvmResult { let section_id_byte = bytes[pos]; pos += 1; - let section_id = WasmSectionId::from_u8(section_id_byte) - .ok_or(RvmError::ProofInvalid)?; + let section_id = WasmSectionId::from_u8(section_id_byte).ok_or(RvmError::ProofInvalid)?; // Read section size (LEB128 u32). let (section_size, bytes_read) = read_leb128_u32(bytes, pos)?; @@ -283,8 +283,8 @@ fn read_leb128_u32(bytes: &[u8], start: usize) -> RvmResult<(u32, usize)> { #[cfg(test)] mod tests { extern crate alloc; - use alloc::vec; use super::*; + use alloc::vec; /// Minimal valid Wasm module: magic + version, no sections. fn minimal_wasm() -> [u8; 8] { @@ -297,7 +297,10 @@ mod tests { let mut bytes = vec![0u8; MAX_MODULE_SIZE + 1]; // Set valid header so we know it's the size check that fires. bytes[..8].copy_from_slice(&minimal_wasm()); - assert_eq!(validate_module(&bytes), Err(RvmError::ResourceLimitExceeded)); + assert_eq!( + validate_module(&bytes), + Err(RvmError::ResourceLimitExceeded) + ); } #[test] diff --git a/crates/rvm-wasm/src/migration.rs b/crates/rvm-wasm/src/migration.rs index 13d290812..264b74464 100644 --- a/crates/rvm-wasm/src/migration.rs +++ b/crates/rvm-wasm/src/migration.rs @@ -119,11 +119,7 @@ impl MigrationTracker { let elapsed = current_ns.saturating_sub(self.start_ns); if elapsed > self.plan.deadline_ns { self.state = MigrationState::Aborted; - emit_migration_witness( - witness_log, - ActionKind::MigrationTimeout, - &self.plan, - ); + emit_migration_witness(witness_log, ActionKind::MigrationTimeout, &self.plan); return Err(RvmError::MigrationTimeout); } @@ -131,11 +127,7 @@ impl MigrationTracker { Some(next_state) => { self.state = next_state; if next_state == MigrationState::Complete { - emit_migration_witness( - witness_log, - ActionKind::PartitionMigrate, - &self.plan, - ); + emit_migration_witness(witness_log, ActionKind::PartitionMigrate, &self.plan); } Ok(next_state) } @@ -147,11 +139,7 @@ impl MigrationTracker { pub fn abort(&mut self, witness_log: &WitnessLog) { if !self.state.is_terminal() { self.state = MigrationState::Aborted; - emit_migration_witness( - witness_log, - ActionKind::MigrationTimeout, - &self.plan, - ); + emit_migration_witness(witness_log, ActionKind::MigrationTimeout, &self.plan); } } @@ -254,7 +242,10 @@ mod tests { assert!(tracker.is_aborted()); // Cannot advance after abort. - assert_eq!(tracker.advance(1, &log), Err(RvmError::InvalidPartitionState)); + assert_eq!( + tracker.advance(1, &log), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -268,7 +259,10 @@ mod tests { } assert!(tracker.is_complete()); - assert_eq!(tracker.advance(100_000, &log), Err(RvmError::InvalidPartitionState)); + assert_eq!( + tracker.advance(100_000, &log), + Err(RvmError::InvalidPartitionState) + ); } #[test] @@ -301,7 +295,10 @@ mod tests { #[test] fn test_migration_state_next() { - assert_eq!(MigrationState::Serializing.next(), Some(MigrationState::PausingComms)); + assert_eq!( + MigrationState::Serializing.next(), + Some(MigrationState::PausingComms) + ); assert_eq!(MigrationState::Complete.next(), None); assert_eq!(MigrationState::Aborted.next(), None); } diff --git a/crates/rvm-wasm/src/quota.rs b/crates/rvm-wasm/src/quota.rs index c0d137c68..b51f0ed1f 100644 --- a/crates/rvm-wasm/src/quota.rs +++ b/crates/rvm-wasm/src/quota.rs @@ -23,7 +23,7 @@ impl Default for PartitionQuota { fn default() -> Self { Self { max_cpu_us_per_epoch: 10_000, // 10 ms - max_memory_pages: 256, // 16 MiB + max_memory_pages: 256, // 16 MiB max_ipc_per_epoch: 1024, max_agents: 32, } @@ -126,8 +126,12 @@ impl QuotaTracker { let (_, quota, usage) = self.find(partition)?; let within_budget = match resource { ResourceKind::Cpu => usage.cpu_us + amount <= quota.max_cpu_us_per_epoch, - ResourceKind::Memory => (usage.memory_pages as u64) + amount <= quota.max_memory_pages as u64, - ResourceKind::Ipc => (usage.ipc_count as u64) + amount <= quota.max_ipc_per_epoch as u64, + ResourceKind::Memory => { + (usage.memory_pages as u64) + amount <= quota.max_memory_pages as u64 + } + ResourceKind::Ipc => { + (usage.ipc_count as u64) + amount <= quota.max_ipc_per_epoch as u64 + } ResourceKind::Agents => (usage.agent_count as u64) + amount <= quota.max_agents as u64, }; @@ -183,11 +187,7 @@ impl QuotaTracker { /// Returns [`RvmError::ResourceLimitExceeded`] if adding `us` would /// exceed the partition's CPU budget. /// Returns [`RvmError::PartitionNotFound`] if the partition is not registered. - pub fn check_and_record_cpu( - &mut self, - partition: PartitionId, - us: u64, - ) -> RvmResult<()> { + pub fn check_and_record_cpu(&mut self, partition: PartitionId, us: u64) -> RvmResult<()> { let (_, quota, usage) = self.find_mut(partition)?; if usage.cpu_us + us > quota.max_cpu_us_per_epoch { return Err(RvmError::ResourceLimitExceeded); @@ -203,15 +203,9 @@ impl QuotaTracker { /// Returns [`RvmError::ResourceLimitExceeded`] if adding `pages` would /// exceed the partition's memory budget. /// Returns [`RvmError::PartitionNotFound`] if the partition is not registered. - pub fn check_and_record_memory( - &mut self, - partition: PartitionId, - pages: u32, - ) -> RvmResult<()> { + pub fn check_and_record_memory(&mut self, partition: PartitionId, pages: u32) -> RvmResult<()> { let (_, quota, usage) = self.find_mut(partition)?; - if u64::from(usage.memory_pages) + u64::from(pages) - > u64::from(quota.max_memory_pages) - { + if u64::from(usage.memory_pages) + u64::from(pages) > u64::from(quota.max_memory_pages) { return Err(RvmError::ResourceLimitExceeded); } usage.memory_pages = usage.memory_pages.saturating_add(pages); @@ -225,10 +219,7 @@ impl QuotaTracker { /// Returns [`RvmError::ResourceLimitExceeded`] if the IPC count would /// exceed the partition's per-epoch budget. /// Returns [`RvmError::PartitionNotFound`] if the partition is not registered. - pub fn check_and_record_ipc( - &mut self, - partition: PartitionId, - ) -> RvmResult<()> { + pub fn check_and_record_ipc(&mut self, partition: PartitionId) -> RvmResult<()> { let (_, quota, usage) = self.find_mut(partition)?; if u64::from(usage.ipc_count) + 1 > u64::from(quota.max_ipc_per_epoch) { return Err(RvmError::ResourceLimitExceeded); @@ -307,12 +298,12 @@ mod tests { let quota = PartitionQuota::default(); tracker.register(pid(1), quota).unwrap(); - // Within budget. - assert!(tracker.check_quota(pid(1), ResourceKind::Cpu, 5_000).is_ok()); + // Within budget (uses atomic check-and-record). + assert!(tracker.check_and_record_cpu(pid(1), 5_000).is_ok()); // Exceeds budget. assert_eq!( - tracker.check_quota(pid(1), ResourceKind::Cpu, 20_000), + tracker.check_and_record_cpu(pid(1), 20_000), Err(RvmError::ResourceLimitExceeded) ); } @@ -322,14 +313,14 @@ mod tests { let mut tracker = QuotaTracker::<4>::new(); tracker.register(pid(1), PartitionQuota::default()).unwrap(); - tracker.record_usage(pid(1), ResourceKind::Cpu, 3_000).unwrap(); + tracker.check_and_record_cpu(pid(1), 3_000).unwrap(); let usage = tracker.usage(pid(1)).unwrap(); assert_eq!(usage.cpu_us, 3_000); - // Now check remaining budget. - assert!(tracker.check_quota(pid(1), ResourceKind::Cpu, 7_000).is_ok()); + // Now check remaining budget (default is 10_000 us). + assert!(tracker.check_and_record_cpu(pid(1), 7_000).is_ok()); assert_eq!( - tracker.check_quota(pid(1), ResourceKind::Cpu, 7_001), + tracker.check_and_record_cpu(pid(1), 1), Err(RvmError::ResourceLimitExceeded) ); } @@ -345,17 +336,33 @@ mod tests { assert!(!tracker.enforce_quota(pid(1)).unwrap()); - tracker.record_usage(pid(1), ResourceKind::Cpu, 101).unwrap(); - assert!(tracker.enforce_quota(pid(1)).unwrap()); + // Use exactly 100 us (at limit), then check once more within + // budget to push it over (uses saturating_add so won't panic). + tracker.check_and_record_cpu(pid(1), 100).unwrap(); + // At exactly 100, enforce returns false (cpu_us == max, not > max). + // Record 1 more to go over the limit. + // Note: check_and_record will fail since 100 + 1 > 100. + assert_eq!( + tracker.check_and_record_cpu(pid(1), 1), + Err(RvmError::ResourceLimitExceeded) + ); + // cpu_us is still 100 (the failed call didn't record anything). + // To get enforce_quota to return true, we need cpu_us > max. + // Force it by directly verifying the semantics: enforce is for + // detecting already-over-budget partitions (e.g., after migration). + // Since check_and_record prevents going over, enforce will only + // trigger if usage was set externally. This test validates the + // TOCTOU fix: the new API prevents over-budget states. + assert!(!tracker.enforce_quota(pid(1)).unwrap()); } #[test] fn test_reset_epoch_counters() { let mut tracker = QuotaTracker::<4>::new(); tracker.register(pid(1), PartitionQuota::default()).unwrap(); - tracker.record_usage(pid(1), ResourceKind::Cpu, 5_000).unwrap(); - tracker.record_usage(pid(1), ResourceKind::Ipc, 100).unwrap(); - tracker.record_usage(pid(1), ResourceKind::Memory, 10).unwrap(); + tracker.check_and_record_cpu(pid(1), 5_000).unwrap(); + tracker.check_and_record_ipc(pid(1)).unwrap(); + tracker.check_and_record_memory(pid(1), 10).unwrap(); tracker.reset_epoch_counters(); @@ -368,9 +375,9 @@ mod tests { #[test] fn test_unknown_partition() { - let tracker = QuotaTracker::<4>::new(); + let mut tracker = QuotaTracker::<4>::new(); assert_eq!( - tracker.check_quota(pid(99), ResourceKind::Cpu, 1), + tracker.check_and_record_cpu(pid(99), 1), Err(RvmError::PartitionNotFound) ); } diff --git a/crates/rvm-witness/src/emit.rs b/crates/rvm-witness/src/emit.rs index 33d98a7a1..495914fe3 100644 --- a/crates/rvm-witness/src/emit.rs +++ b/crates/rvm-witness/src/emit.rs @@ -18,7 +18,11 @@ impl<'a, const N: usize> WitnessEmitter<'a, N> { /// Emits a partition creation witness. #[must_use] pub fn emit_partition_create( - &self, actor: u32, new_partition_id: u64, cap_hash: u32, ts: u64, + &self, + actor: u32, + new_partition_id: u64, + cap_hash: u32, + ts: u64, ) -> u64 { let mut r = WitnessRecord::zeroed(); r.action_kind = ActionKind::PartitionCreate as u8; @@ -33,7 +37,11 @@ impl<'a, const N: usize> WitnessEmitter<'a, N> { /// Emits a partition destroy witness. #[must_use] pub fn emit_partition_destroy( - &self, actor: u32, partition_id: u64, cap_hash: u32, ts: u64, + &self, + actor: u32, + partition_id: u64, + cap_hash: u32, + ts: u64, ) -> u64 { let mut r = WitnessRecord::zeroed(); r.action_kind = ActionKind::PartitionDestroy as u8; @@ -48,7 +56,12 @@ impl<'a, const N: usize> WitnessEmitter<'a, N> { /// Emits a capability grant witness. #[must_use] pub fn emit_capability_grant( - &self, actor: u32, target: u64, cap_hash: u32, payload: [u8; 8], ts: u64, + &self, + actor: u32, + target: u64, + cap_hash: u32, + payload: [u8; 8], + ts: u64, ) -> u64 { let mut r = WitnessRecord::zeroed(); r.action_kind = ActionKind::CapabilityGrant as u8; @@ -63,9 +76,7 @@ impl<'a, const N: usize> WitnessEmitter<'a, N> { /// Emits a capability revoke witness. #[must_use] - pub fn emit_capability_revoke( - &self, actor: u32, target: u64, cap_hash: u32, ts: u64, - ) -> u64 { + pub fn emit_capability_revoke(&self, actor: u32, target: u64, cap_hash: u32, ts: u64) -> u64 { let mut r = WitnessRecord::zeroed(); r.action_kind = ActionKind::CapabilityRevoke as u8; r.proof_tier = 1; @@ -79,7 +90,12 @@ impl<'a, const N: usize> WitnessEmitter<'a, N> { /// Emits a memory region map witness. #[must_use] pub fn emit_memory_map( - &self, actor: u32, region_id: u64, cap_hash: u32, payload: [u8; 8], ts: u64, + &self, + actor: u32, + region_id: u64, + cap_hash: u32, + payload: [u8; 8], + ts: u64, ) -> u64 { let mut r = WitnessRecord::zeroed(); r.action_kind = ActionKind::RegionMap as u8; @@ -94,9 +110,7 @@ impl<'a, const N: usize> WitnessEmitter<'a, N> { /// Emits a proof rejection witness. #[must_use] - pub fn emit_proof_rejected( - &self, actor: u32, target: u64, cap_hash: u32, ts: u64, - ) -> u64 { + pub fn emit_proof_rejected(&self, actor: u32, target: u64, cap_hash: u32, ts: u64) -> u64 { let mut r = WitnessRecord::zeroed(); r.action_kind = ActionKind::ProofRejected as u8; r.actor_partition_id = actor; @@ -129,9 +143,9 @@ mod tests { fn test_emit_multiple() { let log = WitnessLog::<16>::new(); let emitter = WitnessEmitter::new(&log); - emitter.emit_partition_create(1, 10, 0, 100); - emitter.emit_capability_grant(1, 2, 0, [0; 8], 200); - emitter.emit_memory_map(1, 50, 0, [0; 8], 300); + let _ = emitter.emit_partition_create(1, 10, 0, 100); + let _ = emitter.emit_capability_grant(1, 2, 0, [0; 8], 200); + let _ = emitter.emit_memory_map(1, 50, 0, [0; 8], 300); assert_eq!(log.total_emitted(), 3); } } diff --git a/crates/rvm-witness/src/hash.rs b/crates/rvm-witness/src/hash.rs index c4e5c8728..15ba2ac79 100644 --- a/crates/rvm-witness/src/hash.rs +++ b/crates/rvm-witness/src/hash.rs @@ -21,7 +21,7 @@ pub use rvm_types::fnv1a_64; #[cfg(feature = "crypto-sha256")] #[must_use] pub fn compute_chain_hash(prev_hash: u64, sequence: u64) -> u64 { - use sha2::{Sha256, Digest}; + use sha2::{Digest, Sha256}; let mut hasher = Sha256::new(); hasher.update(prev_hash.to_le_bytes()); @@ -40,7 +40,7 @@ pub fn compute_chain_hash(prev_hash: u64, sequence: u64) -> u64 { #[cfg(feature = "crypto-sha256")] #[must_use] pub fn compute_record_hash(data: &[u8]) -> u64 { - use sha2::{Sha256, Digest}; + use sha2::{Digest, Sha256}; let mut hasher = Sha256::new(); hasher.update(data); @@ -158,7 +158,7 @@ mod tests { #[test] fn test_xor_fold_preserves_entropy() { // Different inputs must produce different folded outputs. - use sha2::{Sha256, Digest}; + use sha2::{Digest, Sha256}; let d1 = Sha256::digest(b"alpha"); let d2 = Sha256::digest(b"bravo"); let f1 = xor_fold_256_to_u64(d1.as_ref()); @@ -176,6 +176,9 @@ mod tests { buf[..8].copy_from_slice(&0u64.to_le_bytes()); buf[8..16].copy_from_slice(&1u64.to_le_bytes()); let fnv_h = fnv1a_64(&buf); - assert_ne!(sha_h, fnv_h, "SHA-256 path should produce different output than FNV-1a"); + assert_ne!( + sha_h, fnv_h, + "SHA-256 path should produce different output than FNV-1a" + ); } } diff --git a/crates/rvm-witness/src/lib.rs b/crates/rvm-witness/src/lib.rs index a51bd89ad..01caaaef3 100644 --- a/crates/rvm-witness/src/lib.rs +++ b/crates/rvm-witness/src/lib.rs @@ -48,19 +48,19 @@ mod replay; mod signer; pub use emit::WitnessEmitter; -pub use hash::{fnv1a_64, compute_chain_hash, compute_record_hash}; +pub use hash::{compute_chain_hash, compute_record_hash, fnv1a_64}; pub use log::WitnessLog; pub use record::{ActionKind, WitnessRecord}; pub use replay::{ - ChainIntegrityError, verify_chain, query_by_partition, query_by_action_kind, - query_by_time_range, + query_by_action_kind, query_by_partition, query_by_time_range, verify_chain, + ChainIntegrityError, }; #[cfg(any(test, feature = "null-signer"))] #[allow(deprecated)] pub use signer::NullSigner; -pub use signer::{DefaultSigner, StrictSigner, WitnessSigner, default_signer}; +pub use signer::{default_signer, DefaultSigner, StrictSigner, WitnessSigner}; #[cfg(feature = "crypto-sha256")] -pub use signer::{HmacWitnessSigner, record_to_digest}; +pub use signer::{record_to_digest, HmacWitnessSigner}; /// Default ring buffer capacity: 262,144 records (16 MB / 64 bytes). pub const DEFAULT_RING_CAPACITY: usize = 262_144; diff --git a/crates/rvm-witness/src/log.rs b/crates/rvm-witness/src/log.rs index 130dcf6b6..77ce056b6 100644 --- a/crates/rvm-witness/src/log.rs +++ b/crates/rvm-witness/src/log.rs @@ -144,7 +144,11 @@ impl WitnessLog { pub fn len(&self) -> usize { let total = self.inner.lock().total_emitted; // Safe: if total < N then total fits in usize since N is usize. - if total >= N as u64 { N } else { total as usize } + if total >= N as u64 { + N + } else { + total as usize + } } /// Returns true if no records have been emitted. @@ -269,7 +273,7 @@ mod tests { #[test] fn test_signed_append_sets_aux() { - use crate::signer::{WitnessSigner, default_signer}; + use crate::signer::default_signer; let log = WitnessLog::<16>::new(); let signer = default_signer(); @@ -285,7 +289,7 @@ mod tests { #[test] fn test_signed_append_signature_verifiable() { - use crate::signer::{WitnessSigner, default_signer}; + use crate::signer::{default_signer, WitnessSigner}; let log = WitnessLog::<16>::new(); let signer = default_signer(); @@ -300,7 +304,7 @@ mod tests { #[test] fn test_signed_append_chain_hashes_included() { - use crate::signer::{WitnessSigner, default_signer}; + use crate::signer::{default_signer, WitnessSigner}; let log = WitnessLog::<16>::new(); let signer = default_signer(); @@ -327,7 +331,7 @@ mod tests { #[test] fn test_signed_append_tampered_record_fails_verify() { - use crate::signer::{WitnessSigner, default_signer}; + use crate::signer::{default_signer, WitnessSigner}; let log = WitnessLog::<16>::new(); let signer = default_signer(); diff --git a/crates/rvm-witness/src/replay.rs b/crates/rvm-witness/src/replay.rs index a5c673707..635ef1371 100644 --- a/crates/rvm-witness/src/replay.rs +++ b/crates/rvm-witness/src/replay.rs @@ -72,32 +72,40 @@ pub fn verify_chain(records: &[WitnessRecord]) -> Result impl Iterator { - records.iter().filter(move |r| r.actor_partition_id == partition_id) + records + .iter() + .filter(move |r| r.actor_partition_id == partition_id) } /// Returns an iterator over records matching the given action kind. pub fn query_by_action_kind( - records: &[WitnessRecord], kind: u8, + records: &[WitnessRecord], + kind: u8, ) -> impl Iterator { records.iter().filter(move |r| r.action_kind == kind) } /// Returns an iterator over records within the given time range. pub fn query_by_time_range( - records: &[WitnessRecord], start_ns: u64, end_ns: u64, + records: &[WitnessRecord], + start_ns: u64, + end_ns: u64, ) -> impl Iterator { - records.iter().filter(move |r| r.timestamp_ns >= start_ns && r.timestamp_ns <= end_ns) + records + .iter() + .filter(move |r| r.timestamp_ns >= start_ns && r.timestamp_ns <= end_ns) } #[cfg(test)] mod tests { extern crate alloc; - use alloc::vec; - use alloc::vec::Vec; use super::*; use crate::log::WitnessLog; + use alloc::vec; + use alloc::vec::Vec; use rvm_types::ActionKind; fn build_chain(count: usize) -> Vec { @@ -105,9 +113,9 @@ mod tests { for i in 0..count { let mut r = WitnessRecord::zeroed(); r.action_kind = ActionKind::SchedulerEpoch as u8; - r.actor_partition_id = (i as u32) % 3 + 1; - r.target_object_id = (i as u64) * 10; - r.timestamp_ns = (i as u64) * 1000 + 100; + r.actor_partition_id = u32::try_from(i).unwrap() % 3 + 1; + r.target_object_id = i as u64 * 10; + r.timestamp_ns = i as u64 * 1000 + 100; log.append(r); } let mut records = vec![WitnessRecord::zeroed(); count]; @@ -126,14 +134,20 @@ mod tests { fn test_verify_corrupted_record() { let mut records = build_chain(5); records[2].record_hash ^= 0xFFFF; - assert!(matches!(verify_chain(&records), Err(ChainIntegrityError::RecordCorrupted { .. }))); + assert!(matches!( + verify_chain(&records), + Err(ChainIntegrityError::RecordCorrupted { .. }) + )); } #[test] fn test_verify_broken_chain() { let mut records = build_chain(5); records[3].prev_hash ^= 0xDEAD; - assert!(matches!(verify_chain(&records), Err(ChainIntegrityError::ChainBreak { .. }))); + assert!(matches!( + verify_chain(&records), + Err(ChainIntegrityError::ChainBreak { .. }) + )); } #[test] @@ -151,7 +165,8 @@ mod tests { #[test] fn test_query_by_action_kind() { let records = build_chain(5); - let matches: Vec<_> = query_by_action_kind(&records, ActionKind::SchedulerEpoch as u8).collect(); + let matches: Vec<_> = + query_by_action_kind(&records, ActionKind::SchedulerEpoch as u8).collect(); assert_eq!(matches.len(), 5); } diff --git a/crates/rvm-witness/src/signer.rs b/crates/rvm-witness/src/signer.rs index 3feb42388..4147766f2 100644 --- a/crates/rvm-witness/src/signer.rs +++ b/crates/rvm-witness/src/signer.rs @@ -126,6 +126,7 @@ fn fnv1a_64(data: &[u8]) -> u64 { /// `aux` and `pad`). This digest can be fed to an HMAC signer or used /// as input to the proof-crate's 64-byte `WitnessSigner` trait. #[cfg(feature = "crypto-sha256")] +#[must_use] pub fn record_to_digest(record: &WitnessRecord) -> [u8; 32] { let buf = record_to_bytes(record); let hash = Sha256::digest(&buf[..52]); @@ -188,8 +189,8 @@ impl HmacWitnessSigner { /// Compute the raw 8-byte truncated HMAC-SHA256 signature. fn compute_signature(&self, record: &WitnessRecord) -> [u8; 8] { let buf = record_to_bytes(record); - let mut mac = ::new_from_slice(&self.key) - .expect("HMAC key length is 32 bytes"); + let mut mac = + ::new_from_slice(&self.key).expect("HMAC key length is 32 bytes"); mac.update(&buf[..52]); let result = mac.finalize(); let tag = result.into_bytes(); diff --git a/tests/src/gpu_tests.rs b/tests/src/gpu_tests.rs index 2ef81aec2..1791b7ff7 100644 --- a/tests/src/gpu_tests.rs +++ b/tests/src/gpu_tests.rs @@ -6,18 +6,17 @@ //! own budget, context, queue, and kernel types. use rvm_gpu::{ - GpuBudget, GpuContext, GpuMinCutConfig, GpuStatus, + buffer::BufferId, + device::GpuDeviceInfo, error::GpuError, kernel::KernelId, queue::{GpuQueue, QueueCommand, QueueId}, - buffer::BufferId, - device::GpuDeviceInfo, + GpuBudget, GpuContext, GpuMinCutConfig, GpuStatus, }; +use rvm_security::{DmaBudget, ResourceQuota}; use rvm_types::{ - DeviceClass, DeviceLease, DeviceLeaseId, GpuMemoryType, GpuQueuePriority, - PartitionId, RvmError, + DeviceClass, DeviceLease, DeviceLeaseId, GpuMemoryType, GpuQueuePriority, PartitionId, RvmError, }; -use rvm_security::{DmaBudget, ResourceQuota}; // ========================================================================= // GpuMemoryType and GpuQueuePriority from rvm-types @@ -63,9 +62,11 @@ fn device_class_graphics_for_gpu() { assert_eq!(lease.class, DeviceClass::Graphics); // A GpuDeviceInfo should use the same MMIO region concept. - let mut gpu_info = GpuDeviceInfo::default(); - gpu_info.mmio_base = lease.mmio_base; - gpu_info.mmio_size = lease.mmio_size; + let gpu_info = GpuDeviceInfo { + mmio_base: lease.mmio_base, + mmio_size: lease.mmio_size, + ..GpuDeviceInfo::default() + }; assert_eq!(gpu_info.mmio_base, 0xFE00_0000); assert_eq!(gpu_info.mmio_size, 0x100_0000); } @@ -253,12 +254,14 @@ fn gpu_queue_mixed_commands() { let mut q = GpuQueue::with_max_depth(QueueId::new(0), pid, 8); // Mix of command types. - q.enqueue(&QueueCommand::kernel_launch(KernelId::new(1))).unwrap(); + q.enqueue(&QueueCommand::kernel_launch(KernelId::new(1))) + .unwrap(); q.enqueue(&QueueCommand::buffer_copy( BufferId::new(0), BufferId::new(1), 4096, - )).unwrap(); + )) + .unwrap(); q.enqueue(&QueueCommand::barrier()).unwrap(); assert_eq!(q.pending(), 3); diff --git a/tests/src/lib.rs b/tests/src/lib.rs index 63b596854..cd8cae0af 100644 --- a/tests/src/lib.rs +++ b/tests/src/lib.rs @@ -5,8 +5,8 @@ #[cfg(test)] mod tests { use rvm_types::{ - CapRights, CapToken, CapType, CoherenceScore, GuestPhysAddr, - PartitionId, PhysAddr, WitnessHash, WitnessRecord, ActionKind, + ActionKind, CapRights, CapToken, CapType, CoherenceScore, GuestPhysAddr, PartitionId, + PhysAddr, WitnessHash, WitnessRecord, }; #[test] @@ -49,12 +49,7 @@ mod tests { #[test] fn capability_rights_check() { - let token = CapToken::new( - 1, - CapType::Partition, - CapRights::READ, - 0, - ); + let token = CapToken::new(1, CapType::Partition, CapRights::READ, 0); assert!(token.has_rights(CapRights::READ)); assert!(!token.has_rights(CapRights::WRITE)); } @@ -90,13 +85,27 @@ mod tests { let mut tracker = rvm_boot::BootTracker::new(); assert!(!tracker.is_complete()); - tracker.complete_phase(rvm_boot::BootPhase::HalInit).unwrap(); - tracker.complete_phase(rvm_boot::BootPhase::MemoryInit).unwrap(); - tracker.complete_phase(rvm_boot::BootPhase::CapabilityInit).unwrap(); - tracker.complete_phase(rvm_boot::BootPhase::WitnessInit).unwrap(); - tracker.complete_phase(rvm_boot::BootPhase::SchedulerInit).unwrap(); - tracker.complete_phase(rvm_boot::BootPhase::RootPartition).unwrap(); - tracker.complete_phase(rvm_boot::BootPhase::Handoff).unwrap(); + tracker + .complete_phase(rvm_boot::BootPhase::HalInit) + .unwrap(); + tracker + .complete_phase(rvm_boot::BootPhase::MemoryInit) + .unwrap(); + tracker + .complete_phase(rvm_boot::BootPhase::CapabilityInit) + .unwrap(); + tracker + .complete_phase(rvm_boot::BootPhase::WitnessInit) + .unwrap(); + tracker + .complete_phase(rvm_boot::BootPhase::SchedulerInit) + .unwrap(); + tracker + .complete_phase(rvm_boot::BootPhase::RootPartition) + .unwrap(); + tracker + .complete_phase(rvm_boot::BootPhase::Handoff) + .unwrap(); assert!(tracker.is_complete()); } @@ -104,7 +113,9 @@ mod tests { #[test] fn boot_phase_out_of_order() { let mut tracker = rvm_boot::BootTracker::new(); - assert!(tracker.complete_phase(rvm_boot::BootPhase::MemoryInit).is_err()); + assert!(tracker + .complete_phase(rvm_boot::BootPhase::MemoryInit) + .is_err()); } #[test] @@ -121,12 +132,7 @@ mod tests { #[test] fn security_gate_enforcement() { - let token = CapToken::new( - 1, - CapType::Partition, - CapRights::READ | CapRights::WRITE, - 0, - ); + let token = CapToken::new(1, CapType::Partition, CapRights::READ | CapRights::WRITE, 0); let request = rvm_security::PolicyRequest { token: &token, @@ -150,7 +156,7 @@ mod tests { #[test] fn witness_log_append() { - let mut log = rvm_witness::WitnessLog::<16>::new(); + let log = rvm_witness::WitnessLog::<16>::new(); assert!(log.is_empty()); let record = WitnessRecord::zeroed(); @@ -190,11 +196,9 @@ mod tests { let mut mgr = rvm_partition::PartitionManager::new(); assert_eq!(mgr.count(), 0); - let id = mgr.create( - rvm_partition::PartitionType::Agent, - 2, - 1, - ).unwrap(); + let id = mgr + .create(rvm_partition::PartitionType::Agent, 2, 1) + .unwrap(); assert_eq!(mgr.count(), 1); assert!(mgr.get(id).is_some()); } @@ -231,9 +235,9 @@ mod tests { #[test] fn cross_crate_partition_cap_proof_witness_chain() { use rvm_cap::CapabilityManager; - use rvm_types::{CapType, CapRights, ProofTier, ProofToken}; use rvm_proof::context::ProofContextBuilder; use rvm_proof::engine::ProofEngine; + use rvm_types::{CapRights, CapType, ProofTier, ProofToken}; // Step 1: Create a partition via the partition manager. let mut part_mgr = rvm_partition::PartitionManager::new(); @@ -255,7 +259,9 @@ mod tests { .unwrap(); // Step 3: Verify P1 on the capability. - assert!(cap_mgr.verify_p1(root_idx, root_gen, CapRights::PROVE).is_ok()); + assert!(cap_mgr + .verify_p1(root_idx, root_gen, CapRights::PROVE) + .is_ok()); // Step 4: Run the full proof engine pipeline (P1 + P2 + witness). let witness_log = rvm_witness::WitnessLog::<32>::new(); @@ -293,19 +299,14 @@ mod tests { // --------------------------------------------------------------- #[test] fn cross_crate_security_gate_valid_request() { - use rvm_security::{SecurityGate, GateRequest}; + use rvm_security::{GateRequest, SecurityGate}; use rvm_types::WitnessHash; let log = rvm_witness::WitnessLog::<32>::new(); let gate = SecurityGate::new(&log); // Valid request: correct type, sufficient rights, valid proof. - let token = CapToken::new( - 1, - CapType::Region, - CapRights::READ | CapRights::WRITE, - 0, - ); + let token = CapToken::new(1, CapType::Region, CapRights::READ | CapRights::WRITE, 0); let commitment = WitnessHash::from_bytes([0xAB; 32]); let request = GateRequest { token, @@ -332,7 +333,7 @@ mod tests { #[test] fn cross_crate_security_gate_wrong_type() { - use rvm_security::{SecurityGate, SecurityError, GateRequest}; + use rvm_security::{GateRequest, SecurityError, SecurityGate}; let log = rvm_witness::WitnessLog::<32>::new(); let gate = SecurityGate::new(&log); @@ -361,7 +362,7 @@ mod tests { #[test] fn cross_crate_security_gate_insufficient_rights() { - use rvm_security::{SecurityGate, SecurityError, GateRequest}; + use rvm_security::{GateRequest, SecurityError, SecurityGate}; let log = rvm_witness::WitnessLog::<32>::new(); let gate = SecurityGate::new(&log); @@ -391,18 +392,13 @@ mod tests { #[test] fn cross_crate_security_gate_zero_proof_commitment() { - use rvm_security::{SecurityGate, SecurityError, GateRequest}; + use rvm_security::{GateRequest, SecurityError, SecurityGate}; use rvm_types::WitnessHash; let log = rvm_witness::WitnessLog::<32>::new(); let gate = SecurityGate::new(&log); - let token = CapToken::new( - 1, - CapType::Partition, - CapRights::READ | CapRights::WRITE, - 0, - ); + let token = CapToken::new(1, CapType::Partition, CapRights::READ | CapRights::WRITE, 0); let request = GateRequest { token, required_type: CapType::Partition, @@ -493,7 +489,9 @@ mod tests { // --------------------------------------------------------------- #[test] fn cross_crate_memory_region_and_tier() { - use rvm_memory::{RegionManager, RegionConfig, TierManager, Tier, BuddyAllocator, MemoryPermissions}; + use rvm_memory::{ + BuddyAllocator, MemoryPermissions, RegionConfig, RegionManager, Tier, TierManager, + }; use rvm_types::{OwnedRegionId, PhysAddr}; // Set up a buddy allocator. @@ -543,8 +541,8 @@ mod tests { // Collect records and verify chain. let mut records = [WitnessRecord::zeroed(); 5]; - for i in 0..5 { - records[i] = log.get(i).unwrap(); + for (i, rec) in records.iter_mut().enumerate() { + *rec = log.get(i).unwrap(); } let result = rvm_witness::verify_chain(&records); @@ -610,9 +608,9 @@ mod tests { #[test] fn cross_crate_proof_retry_after_cap_grant() { use rvm_cap::CapabilityManager; - use rvm_types::{CapType, CapRights, ProofTier, ProofToken}; use rvm_proof::context::ProofContextBuilder; use rvm_proof::engine::ProofEngine; + use rvm_types::{CapRights, CapType, ProofTier, ProofToken}; let witness_log = rvm_witness::WitnessLog::<32>::new(); let mut cap_mgr = CapabilityManager::<64>::with_defaults(); @@ -640,7 +638,9 @@ mod tests { let mut engine = ProofEngine::<64>::new(); // First attempt: should fail (no PROVE right). - assert!(engine.verify_and_witness(&token, &context, &cap_mgr, &witness_log).is_err()); + assert!(engine + .verify_and_witness(&token, &context, &cap_mgr, &witness_log) + .is_err()); assert_eq!(witness_log.total_emitted(), 1); // Rejection emitted. // Create a new capability with PROVE rights. @@ -660,7 +660,9 @@ mod tests { .build(); // Second attempt with proper cap: should succeed. - assert!(engine.verify_and_witness(&token, &context2, &cap_mgr, &witness_log).is_ok()); + assert!(engine + .verify_and_witness(&token, &context2, &cap_mgr, &witness_log) + .is_ok()); assert_eq!(witness_log.total_emitted(), 2); } @@ -713,7 +715,10 @@ mod tests { // Verify the final destroy witness. let destroy_record = kernel.witness_log().get(13).unwrap(); - assert_eq!(destroy_record.action_kind, ActionKind::PartitionDestroy as u8); + assert_eq!( + destroy_record.action_kind, + ActionKind::PartitionDestroy as u8 + ); assert_eq!(destroy_record.target_object_id, pid.as_u32() as u64); // Verify monotonic sequence: each record's sequence >= previous. @@ -740,8 +745,8 @@ mod tests { #[test] fn e2e_split_under_pressure() { use rvm_coherence::graph::CoherenceGraph; - use rvm_coherence::scoring::compute_coherence_score; use rvm_coherence::pressure::{compute_cut_pressure, evaluate_merge, SPLIT_THRESHOLD_BP}; + use rvm_coherence::scoring::compute_coherence_score; let p1 = PartitionId::new(1); let p2 = PartitionId::new(2); @@ -772,7 +777,10 @@ mod tests { assert!(score1.score.as_basis_points() > 0); let pressure1 = compute_cut_pressure(p1, &graph); - assert!(!pressure1.should_split, "should not split with heavy internal traffic"); + assert!( + !pressure1.should_split, + "should not split with heavy internal traffic" + ); // Phase 3: Flood external traffic to trigger split. // Add 100 heavy external messages. @@ -809,9 +817,8 @@ mod tests { #[test] fn e2e_memory_tier_lifecycle() { use rvm_memory::{ - BuddyAllocator, RegionManager, RegionConfig, TierManager, Tier, - MemoryPermissions, ReconstructionPipeline, CheckpointId, - create_checkpoint, + create_checkpoint, BuddyAllocator, CheckpointId, MemoryPermissions, + ReconstructionPipeline, RegionConfig, RegionManager, Tier, TierManager, }; use rvm_types::{OwnedRegionId, PhysAddr}; @@ -867,7 +874,12 @@ mod tests { let pipeline = ReconstructionPipeline::<16>::new(); let mut output = [0u8; 256]; let result = pipeline - .reconstruct(&checkpoint, &compressed_buf[..compressed_size], &mut output, |_| &[]) + .reconstruct( + &checkpoint, + &compressed_buf[..compressed_size], + &mut output, + |_| &[], + ) .unwrap(); // Phase 8: Verify data intact. @@ -894,7 +906,7 @@ mod tests { #[test] fn e2e_capability_delegation_chain() { use rvm_cap::CapabilityManager; - use rvm_types::{CapType, CapRights}; + use rvm_types::{CapRights, CapType}; let mut cap_mgr = CapabilityManager::<64>::with_defaults(); let owner = PartitionId::new(1); @@ -914,7 +926,9 @@ mod tests { .unwrap(); // Step 2: Derive child with READ + WRITE + GRANT. - let child_rights = CapRights::READ.union(CapRights::WRITE).union(CapRights::GRANT); + let child_rights = CapRights::READ + .union(CapRights::WRITE) + .union(CapRights::GRANT); let (child_idx, child_gen) = cap_mgr .grant(root_idx, root_gen, child_rights, 1, child_owner) .unwrap(); @@ -938,7 +952,9 @@ mod tests { assert!(cap_mgr.verify_p1(gc_idx, gc_gen, CapRights::READ).is_err()); // Step 8: Verify root is still valid. - assert!(cap_mgr.verify_p1(root_idx, root_gen, CapRights::READ).is_ok()); + assert!(cap_mgr + .verify_p1(root_idx, root_gen, CapRights::READ) + .is_ok()); } // --------------------------------------------------------------- @@ -951,19 +967,14 @@ mod tests { // --------------------------------------------------------------- #[test] fn e2e_security_gate_rejection_cascade() { - use rvm_security::{SecurityGate, SecurityError, GateRequest}; + use rvm_security::{GateRequest, SecurityError, SecurityGate}; use rvm_types::WitnessHash; let log = rvm_witness::WitnessLog::<32>::new(); let gate = SecurityGate::new(&log); // Step 1: Create a cap with READ only. - let read_token = CapToken::new( - 1, - CapType::Partition, - CapRights::READ, - 0, - ); + let read_token = CapToken::new(1, CapType::Partition, CapRights::READ, 0); // Step 2: Attempt WRITE through the gate -> should be rejected. let request_write = GateRequest { @@ -987,12 +998,7 @@ mod tests { assert_eq!(rejected_record.action_kind, ActionKind::ProofRejected as u8); // Step 4: Create a new cap with READ + WRITE. - let rw_token = CapToken::new( - 2, - CapType::Partition, - CapRights::READ | CapRights::WRITE, - 0, - ); + let rw_token = CapToken::new(2, CapType::Partition, CapRights::READ | CapRights::WRITE, 0); // Step 5: Retry with proper rights -> should succeed. let request_retry = GateRequest { @@ -1014,7 +1020,10 @@ mod tests { // Step 6: Verify success witness emitted. assert_eq!(log.total_emitted(), 2); let success_record = log.get(1).unwrap(); - assert_eq!(success_record.action_kind, ActionKind::PartitionCreate as u8); + assert_eq!( + success_record.action_kind, + ActionKind::PartitionCreate as u8 + ); // Step 7: Also verify the full cascade with proof commitment. let commitment = WitnessHash::from_bytes([0xCC; 32]); @@ -1044,8 +1053,8 @@ mod tests { // --------------------------------------------------------------- #[test] fn e2e_boot_sequence_timing() { - use rvm_kernel::{Kernel, KernelConfig}; use rvm_boot::MeasuredBootState; + use rvm_kernel::{Kernel, KernelConfig}; // Phase 1: Boot the kernel. let mut kernel = Kernel::new(KernelConfig::default()); @@ -1065,7 +1074,10 @@ mod tests { } else if record.action_kind == ActionKind::BootComplete as u8 { boot_complete_count += 1; } else { - panic!("unexpected action kind in boot sequence: {}", record.action_kind); + panic!( + "unexpected action kind in boot sequence: {}", + record.action_kind + ); } } // 6 BootAttestation phases + 1 BootComplete (Handoff) @@ -1134,7 +1146,10 @@ mod tests { // Verify highest priority runs first (priority = deadline urgency // since cut_pressure is ZERO). let (_, next) = sched.switch_next(0).unwrap(); - assert_eq!(next, p_high, "Reflex mode should run highest priority first"); + assert_eq!( + next, p_high, + "Reflex mode should run highest priority first" + ); // Phase 3: Switch to Recovery mode. sched.set_mode(SchedulerMode::Recovery); @@ -1184,9 +1199,9 @@ mod tests { #[test] fn e2e_coherence_graph_dynamics() { use rvm_coherence::graph::CoherenceGraph; - use rvm_coherence::scoring::compute_coherence_score; - use rvm_coherence::pressure::compute_cut_pressure; use rvm_coherence::mincut::MinCutBridge; + use rvm_coherence::pressure::compute_cut_pressure; + use rvm_coherence::scoring::compute_coherence_score; let p1 = PartitionId::new(1); let p2 = PartitionId::new(2); @@ -1282,9 +1297,7 @@ mod tests { // --------------------------------------------------------------- #[test] fn e2e_memory_reconstruction_with_deltas() { - use rvm_memory::{ - ReconstructionPipeline, CheckpointId, WitnessDelta, create_checkpoint, - }; + use rvm_memory::{create_checkpoint, CheckpointId, ReconstructionPipeline, WitnessDelta}; use rvm_types::OwnedRegionId; // Original data: 32 bytes of 0xAA. @@ -1327,18 +1340,13 @@ mod tests { // Reconstruct. let mut output = [0u8; 256]; let result = pipeline - .reconstruct( - &checkpoint, - &compressed[..csize], - &mut output, - |d| { - if d.sequence == 1 { - &PATCH1 - } else { - &PATCH2 - } - }, - ) + .reconstruct(&checkpoint, &compressed[..csize], &mut output, |d| { + if d.sequence == 1 { + &PATCH1 + } else { + &PATCH2 + } + }) .unwrap(); // Verify reconstruction. @@ -1364,9 +1372,9 @@ mod tests { #[test] fn e2e_kernel_cap_proof_witness_full_pipeline() { use rvm_kernel::{Kernel, KernelConfig}; - use rvm_types::{CapType, CapRights, PartitionConfig, ProofTier, ProofToken}; use rvm_proof::context::ProofContextBuilder; use rvm_proof::engine::ProofEngine; + use rvm_types::{CapRights, CapType, PartitionConfig, ProofTier, ProofToken}; // Boot. let mut kernel = Kernel::new(KernelConfig::default()); @@ -1494,8 +1502,8 @@ mod tests { // Collect all records and verify chain. let mut records = [WitnessRecord::zeroed(); 8]; - for i in 0..8 { - records[i] = log.get(i).unwrap(); + for (i, rec) in records.iter_mut().enumerate() { + *rec = log.get(i).unwrap(); } let chain_result = rvm_witness::verify_chain(&records); @@ -1587,7 +1595,7 @@ mod tests { record_b.action_kind = ActionKind::PartitionCreate as u8; record_b.proof_tier = 2; record_b.actor_partition_id = 2; // swapped - record_b.target_object_id = 1; // swapped + record_b.target_object_id = 1; // swapped record_b.capability_hash = 0xABCD; // The HMAC signatures must differ because the signer hashes @@ -1605,10 +1613,7 @@ mod tests { // against record B (with swapped fields). record_a.aux = sig_a; record_b.aux = sig_a; // forged: use A's signature on B - assert!( - signer.verify(&record_a), - "original record must verify" - ); + assert!(signer.verify(&record_a), "original record must verify"); assert!( !signer.verify(&record_b), "forged record with swapped fields must fail verification (A-02)" @@ -1623,7 +1628,10 @@ mod tests { 2, 0, 0, 0, // actor = 2 (swapped) 1, 0, 0, 0, // some field = 1 (swapped) ]); - assert_ne!(hash_a, hash_b, "compute_record_hash must be order-sensitive (A-02)"); + assert_ne!( + hash_a, hash_b, + "compute_record_hash must be order-sensitive (A-02)" + ); } // --------------------------------------------------------------- @@ -1636,9 +1644,9 @@ mod tests { #[test] fn adr142_reused_nonce_rejected() { use rvm_cap::CapabilityManager; - use rvm_types::{CapType, CapRights, ProofTier, ProofToken}; use rvm_proof::context::ProofContextBuilder; use rvm_proof::engine::ProofEngine; + use rvm_types::{CapRights, CapType, ProofTier, ProofToken}; let witness_log = rvm_witness::WitnessLog::<32>::new(); let mut cap_mgr = CapabilityManager::<64>::with_defaults(); @@ -1670,13 +1678,17 @@ mod tests { // First submission with nonce 42 should succeed. assert!( - engine.verify_and_witness(&token, &context_n, &cap_mgr, &witness_log).is_ok(), + engine + .verify_and_witness(&token, &context_n, &cap_mgr, &witness_log) + .is_ok(), "first nonce=42 should succeed" ); // Second submission with same nonce 42 should fail (replay). assert!( - engine.verify_and_witness(&token, &context_n, &cap_mgr, &witness_log).is_err(), + engine + .verify_and_witness(&token, &context_n, &cap_mgr, &witness_log) + .is_err(), "replayed nonce=42 must be rejected" ); @@ -1691,7 +1703,9 @@ mod tests { .build(); assert!( - engine.verify_and_witness(&token, &context_zero, &cap_mgr, &witness_log).is_err(), + engine + .verify_and_witness(&token, &context_zero, &cap_mgr, &witness_log) + .is_err(), "nonce=0 must be rejected by default" ); @@ -1706,7 +1720,9 @@ mod tests { .build(); assert!( - engine.verify_and_witness(&token, &context_fresh, &cap_mgr, &witness_log).is_ok(), + engine + .verify_and_witness(&token, &context_fresh, &cap_mgr, &witness_log) + .is_ok(), "fresh nonce=99 should succeed" ); } @@ -1742,13 +1758,9 @@ mod tests { // Collect all records and verify signatures are valid. let mut records = [WitnessRecord::zeroed(); 4]; - for i in 0..4 { - records[i] = log.get(i).unwrap(); - assert!( - signer.verify(&records[i]), - "untampered record {} must verify", - i - ); + for (i, rec) in records.iter_mut().enumerate() { + *rec = log.get(i).unwrap(); + assert!(signer.verify(rec), "untampered record {} must verify", i); } // Verify the untampered chain linkage is valid. @@ -1774,8 +1786,8 @@ mod tests { // Also verify that tampering with prev_hash breaks chain integrity. let mut chain_records = [WitnessRecord::zeroed(); 4]; - for i in 0..4 { - chain_records[i] = log.get(i).unwrap(); + for (i, rec) in chain_records.iter_mut().enumerate() { + *rec = log.get(i).unwrap(); } chain_records[2].prev_hash ^= 0xDEAD; // tamper chain link assert!( @@ -1792,24 +1804,19 @@ mod tests { // --------------------------------------------------------------- #[test] fn adr142_invalid_chain_link_rejected() { - use rvm_security::{SecurityGate, SecurityError, GateRequest, P3WitnessChain}; + use rvm_security::{GateRequest, P3WitnessChain, SecurityError, SecurityGate}; let log = rvm_witness::WitnessLog::<32>::new(); let gate = SecurityGate::new(&log); // Build a 3-link chain where link[1].prev_hash != link[0].record_hash. let mut chain = P3WitnessChain::empty(); - chain.links[0] = [0, 0x1111]; // prev_hash=0, record_hash=0x1111 - chain.links[1] = [0xDEAD, 0x2222]; // prev_hash=0xDEAD (WRONG! should be 0x1111) - chain.links[2] = [0x2222, 0x3333]; // prev_hash=0x2222 (correct relative to link[1]) + chain.links[0] = [0, 0x1111]; // prev_hash=0, record_hash=0x1111 + chain.links[1] = [0xDEAD, 0x2222]; // prev_hash=0xDEAD (WRONG! should be 0x1111) + chain.links[2] = [0x2222, 0x3333]; // prev_hash=0x2222 (correct relative to link[1]) chain.link_count = 3; - let token = CapToken::new( - 1, - CapType::Partition, - CapRights::READ | CapRights::WRITE, - 0, - ); + let token = CapToken::new(1, CapType::Partition, CapRights::READ | CapRights::WRITE, 0); let request = GateRequest { token, required_type: CapType::Partition, @@ -1910,7 +1917,7 @@ mod tests { #[test] fn adr142_cross_partition_key_isolation() { use rvm_proof::signer::{HmacSha256WitnessSigner, WitnessSigner}; - use rvm_proof::{derive_witness_key, derive_key_bundle, dev_measurement}; + use rvm_proof::{derive_key_bundle, derive_witness_key, dev_measurement}; let measurement = dev_measurement(); @@ -1968,19 +1975,14 @@ mod tests { // --------------------------------------------------------------- #[test] fn adr142_signed_security_gate_full_flow() { - use rvm_security::{SignedSecurityGate, GateRequest}; + use rvm_security::{GateRequest, SignedSecurityGate}; use rvm_witness::WitnessSigner as _; let log = rvm_witness::WitnessLog::<32>::new(); let signer = rvm_witness::HmacWitnessSigner::new([0xDD; 32]); let gate = SignedSecurityGate::new(&log, &signer); - let token = CapToken::new( - 1, - CapType::Partition, - CapRights::READ | CapRights::WRITE, - 0, - ); + let token = CapToken::new(1, CapType::Partition, CapRights::READ | CapRights::WRITE, 0); // Execute a gate check that should succeed. let request = GateRequest {