| Seq | Timestamp | Type | Name | Duration |
|---|---|---|---|---|
| 0/0 | 2026/09/11 03:39 | flow | patch-triage |
0mArgs:null Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"KMSANReasoning": "",
"NeedsKMSAN": false,
"Reasoning": "The patch modifies DMA allocation and memory management helpers (qmem_alloc, otx2_dma_alloc_coherent, etc.) in the Marvell OcteonTX2 RVU (Resource Virtualization Unit) driver. This driver is specific to Marvell OcteonTX2 SmartNIC / SoC physical PCIe hardware and is not emulated in standard virtualized QEMU or GCE fuzzing environments, making the code structurally unreachable for fuzzing.",
"WorthFuzzing": false
} |
| 1/1 | 2026/09/11 03:39 | action | read-patch-diff |
0mArgs:null Results: {
"PatchDiff": "commit a0b9393ecd685884c2a1cd47e43e64b3a0ba94f8\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Fri Sep 11 03:39:10 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/ethernet/marvell/octeontx2/af/common.h b/drivers/net/ethernet/marvell/octeontx2/af/common.h\nindex 779413a383b74..78e42549d9908 100644\n--- a/drivers/net/ethernet/marvell/octeontx2/af/common.h\n+++ b/drivers/net/ethernet/marvell/octeontx2/af/common.h\n@@ -7,6 +7,10 @@\n #ifndef COMMON_H\n #define COMMON_H\n \n+#include \u003clinux/dma-mapping.h\u003e\n+#include \u003clinux/gfp.h\u003e\n+#include \u003clinux/mm.h\u003e\n+\n #include \"rvu_struct.h\"\n \n #define OTX2_ALIGN\t\t\t128 /* Align to cacheline */\n@@ -44,6 +48,33 @@ struct qmem {\n \tu32\t\tqsize;\n };\n \n+static inline void *otx2_dma_alloc_coherent(struct device *dev, size_t size,\n+\t\t\t\t\t dma_addr_t *dma_handle)\n+{\n+\tdma_addr_t dma_addr;\n+\tvoid *vaddr;\n+\n+\tvaddr = kzalloc(size, GFP_KERNEL);\n+\tif (!vaddr)\n+\t\treturn NULL;\n+\n+\tdma_addr = dma_map_single(dev, vaddr, size, DMA_BIDIRECTIONAL);\n+\tif (dma_mapping_error(dev, dma_addr)) {\n+\t\tkfree(vaddr);\n+\t\treturn NULL;\n+\t}\n+\n+\t*dma_handle = dma_addr;\n+\treturn vaddr;\n+}\n+\n+static inline void otx2_dma_free_coherent(struct device *dev, size_t size,\n+\t\t\t\t\t void *vaddr, dma_addr_t dma_handle)\n+{\n+\tdma_unmap_single(dev, dma_handle, size, DMA_BIDIRECTIONAL);\n+\tkfree(vaddr);\n+}\n+\n static inline int qmem_alloc(struct device *dev, struct qmem **q,\n \t\t\t int qsize, int entry_sz)\n {\n@@ -60,8 +91,11 @@ static inline int qmem_alloc(struct device *dev, struct qmem **q,\n \n \tqmem-\u003eentry_sz = entry_sz;\n \tqmem-\u003ealloc_sz = (qsize * entry_sz) + OTX2_ALIGN;\n-\tqmem-\u003ebase = dma_alloc_attrs(dev, qmem-\u003ealloc_sz, \u0026qmem-\u003eiova,\n-\t\t\t\t GFP_KERNEL, DMA_ATTR_FORCE_CONTIGUOUS);\n+\n+\tif (get_order(PAGE_ALIGN(qmem-\u003ealloc_sz)) \u003e MAX_PAGE_ORDER)\n+\t\treturn -ENOMEM;\n+\n+\tqmem-\u003ebase = otx2_dma_alloc_coherent(dev, qmem-\u003ealloc_sz, \u0026qmem-\u003eiova);\n \tif (!qmem-\u003ebase)\n \t\treturn -ENOMEM;\n \n@@ -80,10 +114,9 @@ static inline void qmem_free(struct device *dev, struct qmem *qmem)\n \t\treturn;\n \n \tif (qmem-\u003ebase)\n-\t\tdma_free_attrs(dev, qmem-\u003ealloc_sz,\n-\t\t\t qmem-\u003ebase - qmem-\u003ealign,\n-\t\t\t qmem-\u003eiova - qmem-\u003ealign,\n-\t\t\t DMA_ATTR_FORCE_CONTIGUOUS);\n+\t\totx2_dma_free_coherent(dev, qmem-\u003ealloc_sz,\n+\t\t\t\t qmem-\u003ebase - qmem-\u003ealign,\n+\t\t\t\t qmem-\u003eiova - qmem-\u003ealign);\n \tdevm_kfree(dev, qmem);\n }\n \n"
} |
| 2/1 | 2026/09/11 03:39 | agent | patch-evaluator |
0mModel:core Args: null Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"Reasoning": "The patch modifies DMA allocation and memory management helpers (qmem_alloc, otx2_dma_alloc_coherent, etc.) in the Marvell OcteonTX2 RVU (Resource Virtualization Unit) driver. This driver is specific to Marvell OcteonTX2 SmartNIC / SoC physical PCIe hardware and is not emulated in standard virtualized QEMU or GCE fuzzing environments, making the code structurally unreachable for fuzzing.",
"WorthFuzzing": false
}Instruction: You are an expert Linux kernel maintainer and security engineer.
Your job is to review a provided patch series and evaluate whether it warrants fuzzing with syzkaller.
IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in
your workspace. Do NOT rely on internal assumptions. You must actively use your code access
tools to inspect the actual source code, callers, and surrounding context.
================================================================================
1. CORE TRIAGE PHILOSOPHY
================================================================================
The goal of patch fuzzing is to discover crashes, regressions, exposed latent bugs,
and newly triggered assertions introduced by the patch series.
- REACHABILITY IS THE PRIMARY GATE:
Fuzzing can only discover bugs in code that can actually execute in standard virtualized
environments (GCE or QEMU, utilizing software-emulated devices like USB gadgets, netdev, tun/tap).
If the modified code is structurally unreachable (see Section 2), it MUST NOT be fuzzed,
regardless of whether it adds assertions or complex logic.
- DO NOT BLINDLY TRUST "NO FUNCTIONAL CHANGE" (NFCI) OR "REFACTORING" CLAIMS:
Patch authors routinely label changes as "cleanups", "refactorings", or state
"No functional change intended". Do NOT take these claims at face value.
Code refactorings that rearrange logic, introduce helper functions, or alter state management
in core subsystems frequently introduce subtle semantic shifts or uncover latent kernel bugs.
If reachable executable code is modified or refactored, it MUST be fuzzed.
- NEW OR MODIFIED ASSERTIONS IN REACHABLE CODE MUST BE FUZZED:
When a patch introduces or modifies runtime checks or assertions (e.g., WARN_ON*, VM_WARN_ON*,
BUG_ON*, lockdep_assert*) in reachable code paths, it enforces new or stricter invariants.
Even if the author believes the invariant always holds, fuzzing is essential to verify whether
an unusual sequence of operations can violate it.
================================================================================
2. WHEN TO RETURN WorthFuzzing=false (NEGATIVE CRITERIA)
================================================================================
Return WorthFuzzing=false ONLY IF all modified code falls strictly into one or more of these categories:
- Non-kernel and non-executable changes:
* Modifications to Documentation/, comments, or spelling fixes.
* User-space directories, self-tests, samples, or scripts (e.g., tools/, samples/, scripts/, usr/)
that do not affect the compiled kernel image (vmlinux) or kernel modules.
* Purely decorative logging (e.g., message strings in pr_err, printk, dev_info) or tracepoints
that do not alter control flow or data structures.
* Build system or Kconfig changes that do not alter compiled C logic.
- Structurally unreachable hardware:
* Vendor-specific PCIe switches, SmartNICs, or GPU drivers (e.g., mlxsw, pds_core, qed,
ionic, amdgpu) requiring physical ASIC/PCIe cards not emulated in standard QEMU.
- Unreachable execution paths:
* Driver teardown callbacks (.remove, .shutdown, pci_unregister_driver) executed only during
physical PCI hot-unplug or manual sysfs driver unbinding.
* Code paths exclusive to architectures other than the target architecture.
================================================================================
3. WHEN TO RETURN WorthFuzzing=true (POSITIVE CRITERIA)
================================================================================
Return WorthFuzzing=true whenever the patch touches reachable executable code, including:
- Core Subsystems:
* Any logic modifications in memory management (mm/), synchronization/locking (kernel/locking/),
BPF, scheduler, core networking, VFS, or syscall handling.
- Refactorings and Code Cleanups:
* Any restructuring of reachable data structures, helper abstractions, or algorithm flows.
- Runtime Assertions and Defensive Checks:
* Any introduction or alteration of assertions (WARN_ON*, VM_WARN_ON*, BUG_ON*, etc.) in reachable paths.
- Reachable Drivers and Protocols:
* Drivers accessible via virtual buses (virtio, USB gadget, loopback, netlink, binder, sockets, etc.).
================================================================================
4. EXTRACTING FocusSymbols (PREVENTING DILUTION)
================================================================================
When WorthFuzzing=true, you must extract specific kernel functions into FocusSymbols to guide the fuzzer:
- AVOID UBIQUITOUS LIFECYCLE HOT-PATHS:
Do NOT list generic, ubiquitous functions called by almost every program in the corpus
(including, but not limited to: general memory allocators and deallocators, page fault
and trap handlers, or core synchronization primitives; this is not an exhaustive list).
Listing ubiquitous functions causes the fuzzer to classify thousands of unrelated tests as "focused",
which severely dilutes fuzzing effort away from the actual changes.
- TARGET SPECIFIC FEATURE LOGIC AND ENTRYPOINTS:
List functions that specifically implement the logic being added or altered, or direct API entrypoints
for the subsystem feature under review.
- HANDLING STATIC INLINE FUNCTIONS IN HEADERS (.h):
Compiler-inlined static functions (such as static inlines in mm/*.h or include/linux/*.h) lack
distinct symbol addresses in vmlinux and cannot be targeted directly by symbol coverage filters.
If the changes are primarily in static inline helpers, identify non-static, feature-specific caller
functions in .c files that exercise them (avoiding ubiquitous lifecycle wrappers).
================================================================================
5. IDENTIFYING EnableConfigs
================================================================================
Identify any specific CONFIG_ options required to properly compile and reach the modified code:
- Inspect Kconfig files and #ifdef guards; do not make assumptions.
- Check "depends on" lines in Kconfig to include any non-standard parent subsystem configs needed.
- Strip any 'CONFIG_' prefix (e.g., return "NET_IPV4" instead of "CONFIG_NET_IPV4").
Prefer calling several tools at the same time to save round-trips.
Use set-results tool to provide results of the analysis.
It must be called exactly once before the final reply.
Ignore results of this tool.
Prompt: Target architecture: amd64
For your convenience, here is the diff of the changes:
commit a0b9393ecd685884c2a1cd47e43e64b3a0ba94f8
Author: syz-cluster <triage@syzkaller.com>
Date: Fri Sep 11 03:39:10 2026 +0000
syz-cluster: applied patch under review
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/common.h b/drivers/net/ethernet/marvell/octeontx2/af/common.h
index 779413a383b74..78e42549d9908 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/common.h
@@ -7,6 +7,10 @@
#ifndef COMMON_H
#define COMMON_H
+#include <linux/dma-mapping.h>
+#include <linux/gfp.h>
+#include <linux/mm.h>
+
#include "rvu_struct.h"
#define OTX2_ALIGN 128 /* Align to cacheline */
@@ -44,6 +48,33 @@ struct qmem {
u32 qsize;
};
+static inline void *otx2_dma_alloc_coherent(struct device *dev, size_t size,
+ dma_addr_t *dma_handle)
+{
+ dma_addr_t dma_addr;
+ void *vaddr;
+
+ vaddr = kzalloc(size, GFP_KERNEL);
+ if (!vaddr)
+ return NULL;
+
+ dma_addr = dma_map_single(dev, vaddr, size, DMA_BIDIRECTIONAL);
+ if (dma_mapping_error(dev, dma_addr)) {
+ kfree(vaddr);
+ return NULL;
+ }
+
+ *dma_handle = dma_addr;
+ return vaddr;
+}
+
+static inline void otx2_dma_free_coherent(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle)
+{
+ dma_unmap_single(dev, dma_handle, size, DMA_BIDIRECTIONAL);
+ kfree(vaddr);
+}
+
static inline int qmem_alloc(struct device *dev, struct qmem **q,
int qsize, int entry_sz)
{
@@ -60,8 +91,11 @@ static inline int qmem_alloc(struct device *dev, struct qmem **q,
qmem->entry_sz = entry_sz;
qmem->alloc_sz = (qsize * entry_sz) + OTX2_ALIGN;
- qmem->base = dma_alloc_attrs(dev, qmem->alloc_sz, &qmem->iova,
- GFP_KERNEL, DMA_ATTR_FORCE_CONTIGUOUS);
+
+ if (get_order(PAGE_ALIGN(qmem->alloc_sz)) > MAX_PAGE_ORDER)
+ return -ENOMEM;
+
+ qmem->base = otx2_dma_alloc_coherent(dev, qmem->alloc_sz, &qmem->iova);
if (!qmem->base)
return -ENOMEM;
@@ -80,10 +114,9 @@ static inline void qmem_free(struct device *dev, struct qmem *qmem)
return;
if (qmem->base)
- dma_free_attrs(dev, qmem->alloc_sz,
- qmem->base - qmem->align,
- qmem->iova - qmem->align,
- DMA_ATTR_FORCE_CONTIGUOUS);
+ otx2_dma_free_coherent(dev, qmem->alloc_sz,
+ qmem->base - qmem->align,
+ qmem->iova - qmem->align);
devm_kfree(dev, qmem);
}
|
| 3/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 3645 output: 35 thoughts: 97 Thoughts: **Initial Assessment of Patch and Hardware Context** Okay, so this patch is touching `drivers/net/ethernet/marvell/octeontx2/af/common.h`. Right off the bat, that tells me we're dealing with the Marvell OcteonTX2 AF ethernet driver. Hmm, I wonder if this particular hardware is even *accessible* within a standard QEMU setup or even on GCE? It's a bit niche. I'll need to dig into the driver code itself, and the corresponding `Kconfig` files. This'll involve some grepping and general investigation to understand the implications of these changes and whether or not this code is relevant to my current concerns. |
| 4/2 | 2026/09/11 03:39 | tool | grepper |
0mArgs:{
"Expression": "OCTEONTX2",
"PathPrefix": "drivers/net/ethernet/marvell/"
}Results: {
"Output": "drivers/net/ethernet/marvell/octeontx2/Kconfig-5-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:6:config OCTEONTX2_MBOX\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-7-\ttristate\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-8-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:9:config OCTEONTX2_AF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-10-\ttristate \"Marvell OcteonTX2 RVU Admin Function driver\"\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:11:\tselect OCTEONTX2_MBOX\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-12-\tselect NET_DEVLINK\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig=22=config NDC_DIS_DYNAMIC_CACHING\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-23-\tbool \"Disable caching of dynamic entries in NDC\"\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:24:\tdepends on OCTEONTX2_AF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-25-\tdefault n\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-30-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:31:config OCTEONTX2_PF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-32-\ttristate \"Marvell OcteonTX2 NIC Physical Function driver\"\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:33:\tselect OCTEONTX2_MBOX\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-34-\tselect NET_DEVLINK\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-44-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:45:config OCTEONTX2_VF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-46-\ttristate \"Marvell OcteonTX2 NIC Virtual Function driver\"\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:47:\tdepends on OCTEONTX2_PF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-48-\thelp\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig=51=config RVU_ESWITCH\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-52-\ttristate \"Marvell RVU E-Switch support\"\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:53:\tdepends on OCTEONTX2_PF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-54-\tdefault m\n--\ndrivers/net/ethernet/marvell/octeontx2/Makefile-5-\ndrivers/net/ethernet/marvell/octeontx2/Makefile:6:obj-$(CONFIG_OCTEONTX2_MBOX) += af/\ndrivers/net/ethernet/marvell/octeontx2/Makefile:7:obj-$(CONFIG_OCTEONTX2_AF) += af/\ndrivers/net/ethernet/marvell/octeontx2/Makefile:8:obj-$(CONFIG_OCTEONTX2_PF) += nic/\n--\ndrivers/net/ethernet/marvell/octeontx2/af/Makefile=6=ccflags-y += -I$(src)\ndrivers/net/ethernet/marvell/octeontx2/af/Makefile:7:obj-$(CONFIG_OCTEONTX2_MBOX) += rvu_mbox.o\ndrivers/net/ethernet/marvell/octeontx2/af/Makefile:8:obj-$(CONFIG_OCTEONTX2_AF) += rvu_af.o\ndrivers/net/ethernet/marvell/octeontx2/af/Makefile-9-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c=66=static const struct pci_device_id cgx_id_table[] = {\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:67:\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_CGX) },\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-68-\t{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_CN10K_RPM,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.h-15- /* PCI device IDs */\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.h:16:#define\tPCI_DEVID_OCTEONTX2_CGX\t\t0xA059\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.h-17-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c=154=DEFINE_SHOW_ATTRIBUTE(npc_mcam_layout);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-155-\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c:156:#define __OCTEONTX2_DEBUGFS_ATTRIBUTE_FOPS(__name)\t\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-157-static const struct file_operations __name ## _fops = {\t\t\t\\\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-164-\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c:165:#define DEFINE_OCTEONTX2_DEBUGFS_ATTRIBUTE_WITH_SIZE(__name, __size)\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-166-static int __name ## _open(struct inode *inode, struct file *file)\t\t\\\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-170-}\t\t\t\t\t\t\t\t\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c:171:__OCTEONTX2_DEBUGFS_ATTRIBUTE_FOPS(__name)\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-172-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c=181=static int npc_mcam_dstats_show(struct seq_file *s, void *unused)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-242-#define TOTAL_SZ (MAX_NUM_BANKS * MAX_NUM_SUB_BANKS * MAX_SUBBANK_DEPTH * 64)\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c:243:DEFINE_OCTEONTX2_DEBUGFS_ATTRIBUTE_WITH_SIZE(npc_mcam_dstats, TOTAL_SZ);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-244-\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c=245=static int npc_mcam_mismatch_show(struct seq_file *s, void *unused)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-284-/* \"%u\\t%d\\t%u\\n\" needs less than 64 characters to print. */\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c:285:DEFINE_OCTEONTX2_DEBUGFS_ATTRIBUTE_WITH_SIZE(npc_mcam_mismatch, TOTAL_SZ);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c-286-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-20-\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:21:#define PCI_DEVID_OCTEONTX2_PTP\t\t\t0xA00C\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-22-#define PCI_SUBSYS_DEVID_OCTX2_98xx_PTP\t\t0xB100\n--\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-27-#define PCI_SUBSYS_DEVID_OCTX2_95XXO_PTP\t0xB600\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:28:#define PCI_DEVID_OCTEONTX2_RST\t\t\t0xA085\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-29-#define PCI_DEVID_CN10K_PTP\t\t\t0xA09E\n--\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c=589=static const struct pci_device_id ptp_id_table[] = {\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:590:\t{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_PTP,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-591-\t\t\t PCI_VENDOR_ID_CAVIUM,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-592-\t\t\t PCI_SUBSYS_DEVID_OCTX2_98xx_PTP) },\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:593:\t{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_PTP,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-594-\t\t\t PCI_VENDOR_ID_CAVIUM,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-595-\t\t\t PCI_SUBSYS_DEVID_OCTX2_96XX_PTP) },\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:596:\t{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_PTP,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-597-\t\t\t PCI_VENDOR_ID_CAVIUM,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-598-\t\t\t PCI_SUBSYS_DEVID_OCTX2_95XX_PTP) },\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:599:\t{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_PTP,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-600-\t\t\t PCI_VENDOR_ID_CAVIUM,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-601-\t\t\t PCI_SUBSYS_DEVID_OCTX2_95XXN_PTP) },\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:602:\t{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_PTP,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-603-\t\t\t PCI_VENDOR_ID_CAVIUM,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-604-\t\t\t PCI_SUBSYS_DEVID_OCTX2_95MM_PTP) },\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c:605:\t{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_PTP,\ndrivers/net/ethernet/marvell/octeontx2/af/ptp.c-606-\t\t\t PCI_VENDOR_ID_CAVIUM,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=44=static const struct pci_device_id rvu_id_table[] = {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:45:\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF) },\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-46-\t{ 0, } /* end of table */\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=927=static void rvu_get_lbk_bufsize(struct rvu *rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-933-\tpdev = pci_get_device(PCI_VENDOR_ID_CAVIUM,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:934:\t\t\t PCI_DEVID_OCTEONTX2_LBK, pdev);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-935-\tif (!pdev)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3447=int rvu_get_num_lbk_chans(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3452-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3453:\tpdev = pci_get_device(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_LBK,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3454-\t\t\t NULL);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3470-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3471:#define PCI_DEVID_OCTEONTX2_RVU_AFVF\t0xA0F8\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3472-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3473=static int rvu_enable_sriov(struct rvu *rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3494-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3495:\tif (rvu-\u003evf_devid == PCI_DEVID_OCTEONTX2_RVU_AFVF) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3496-\t\tchans = rvu_get_num_lbk_chans();\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-23-/* PCI device IDs */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h:24:#define\tPCI_DEVID_OCTEONTX2_RVU_AF\t\t0xA065\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h:25:#define\tPCI_DEVID_OCTEONTX2_LBK\t\t\t0xA061\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-26-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c=392=static void rvu_lbk_set_channels(struct rvu *rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c-415-\t\tpdev = pci_get_device(PCI_VENDOR_ID_CAVIUM,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c:416:\t\t\t\t PCI_DEVID_OCTEONTX2_LBK, pdev);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c-417-\t\tif (!pdev)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c=2806=static void rvu_dbg_npa_init(struct rvu *rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c-2825-/* Per-lmac CGX debugfs files need both RVU and CGX handle; inode-\u003ei_private\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c:2826: * points here so seq_file ops avoid pci_get_device(PCI_DEVID_OCTEONTX2_RVU_AF).\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c-2827- */\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/Makefile-5-\ndrivers/net/ethernet/marvell/octeontx2/nic/Makefile:6:obj-$(CONFIG_OCTEONTX2_PF) += rvu_nicpf.o otx2_ptp.o\ndrivers/net/ethernet/marvell/octeontx2/nic/Makefile:7:obj-$(CONFIG_OCTEONTX2_VF) += rvu_nicvf.o otx2_ptp.o\ndrivers/net/ethernet/marvell/octeontx2/nic/Makefile-8-obj-$(CONFIG_RVU_ESWITCH) += rvu_rep.o\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-42-/* PCI device IDs */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:43:#define PCI_DEVID_OCTEONTX2_RVU_PF 0xA063\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:44:#define PCI_DEVID_OCTEONTX2_RVU_VF\t\t0xA064\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:45:#define PCI_DEVID_OCTEONTX2_RVU_AFVF\t\t0xA0F8\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-46-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-50-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:51:#define PCI_DEVID_OCTEONTX2_SDP_REP\t\t0xA0F7\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-52-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=597=static inline bool is_otx2_lbkvf(struct pci_dev *pdev)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-598-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:599:\treturn (pdev-\u003edevice == PCI_DEVID_OCTEONTX2_RVU_AFVF) ||\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-600-\t\t(pdev-\u003edevice == PCI_DEVID_RVU_REP);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=615=static inline bool is_otx2_sdp_rep(struct pci_dev *pdev)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-616-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:617:\treturn pdev-\u003edevice == PCI_DEVID_OCTEONTX2_SDP_REP;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-618-}\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=36=static const struct pci_device_id otx2_pf_id_table[] = {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:37:\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_PF) },\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-38-\t{ 0, } /* end of table */\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c=22=static const struct pci_device_id otx2_vf_id_table[] = {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:23:\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AFVF) },\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:24:\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_VF) },\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:25:\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_SDP_REP) },\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c-26-\t{ }\n"
} |
| 5/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 10004 output: 34 thoughts: 65 Thoughts: **Investigating the OcteonTX2 RVU Admin Function Driver** Okay, so I'm looking at `drivers/net/ethernet/marvell/octeontx2/af/common.h`. This is obviously a key header file for the Marvell OcteonTX2 RVU Admin Function driver. My first instinct is to understand its scope and dependencies. I need to figure out how this file is used and what other parts of the system rely on it. Let's see who's including `common.h`. Maybe I should also look for calls to functions like `qmem_alloc` or other key functions to understand it's functionality. This will give me a better understanding of the overall driver's architecture and how this `common.h` fits into the picture. |
| 6/2 | 2026/09/11 03:39 | tool | grepper |
0mArgs:{
"Expression": "qmem_alloc",
"PathPrefix": "drivers/net/ethernet/marvell/"
}Results: {
"Output": "drivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c=268=static int rvu_alloc_mbox_memory(struct rvu *rvu, int type,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c-287-\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c:288:\terr = qmem_alloc(rvu-\u003edev, \u0026mbox_addr, ndevs, mbox_size);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c-289-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c=408=int rvu_alloc_cint_qint_mem(struct rvu *rvu, struct rvu_pfvf *pfvf,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c-427-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 24) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c:428:\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003ecq_ints_ctx, qints, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c-429-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c-438-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 20) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c:439:\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003enix_qints_ctx, qints, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/cn20k/mbox_init.c-440-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/common.h=71=static inline void otx2_dma_free_coherent(struct device *dev, size_t size,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/common.h-77-\ndrivers/net/ethernet/marvell/octeontx2/af/common.h:78:static inline int qmem_alloc(struct device *dev, struct qmem **q,\ndrivers/net/ethernet/marvell/octeontx2/af/common.h-79-\t\t\t int qsize, int entry_sz)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=1236=int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-1247-\t/* Alloc memory for instructions i.e AQ */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:1248:\terr = qmem_alloc(rvu-\u003edev, \u0026aq-\u003einst, qsize, inst_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-1249-\tif (err) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-1254-\t/* Alloc memory for results */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:1255:\terr = qmem_alloc(rvu-\u003edev, \u0026aq-\u003eres, qsize, res_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-1256-\tif (err) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=944=static int nixlf_rss_ctx_init(struct rvu *rvu, int blkaddr,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-957-\t/* Alloc NIX RSS HW context memory and config the base */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:958:\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003erss_ctx, num_indices, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-959-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=1512=int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1586-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 4) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1587:\trc = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003erq_ctx, req-\u003erq_cnt, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1588-\tif (rc)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1605-\thwctx_size = 1UL \u003c\u003c (ctx_cfg \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1606:\trc = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003esq_ctx, req-\u003esq_cnt, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1607-\tif (rc)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1623-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 8) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1624:\trc = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003ecq_ctx, req-\u003ecq_cnt, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1625-\tif (rc)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1651-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 24) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1652:\trc = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003ecq_ints_ctx, qints, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1653-\tif (rc)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1665-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 20) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1666:\trc = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003enix_qints_ctx, qints, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1667-\tif (rc)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3722=static int nix_setup_mcast(struct rvu *rvu, struct nix_hw *nix_hw, int blkaddr)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3745-\t/* Alloc memory for multicast/mirror replication entries */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3746:\terr = qmem_alloc(rvu-\u003edev, \u0026mcast-\u003emce_ctx,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3747-\t\t\t mcast-\u003emce_counter[NIX_MCAST_INGRESS].max, size);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3762-\tsize = rvu_read64(rvu, blkaddr, NIX_AF_MC_MIRROR_CONST) \u0026 0xFFFF;\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3763:\terr = qmem_alloc(rvu-\u003edev, \u0026mcast-\u003emcast_buf,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3764-\t\t\t (8UL \u003c\u003c MC_BUF_CNT), size);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c=327=int rvu_mbox_handler_npa_lf_alloc(struct rvu *rvu,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c-366-\thwctx_size = 1UL \u003c\u003c (ctx_cfg \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c:367:\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003eaura_ctx,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c-368-\t\t\t NPA_AURA_COUNT(req-\u003eaura_sz), hwctx_size);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c-378-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 4) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c:379:\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003epool_ctx, req-\u003enr_pools, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c-380-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c-393-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 8) \u0026 0xF);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c:394:\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003enpa_qints_ctx, qints, hwctx_size);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c-395-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k.c=43=int cn10k_lmtst_init(struct otx2_nic *pfvf)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k.c-65-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k.c:66:\terr = qmem_alloc(pfvf-\u003edev, \u0026pfvf-\u003edync_lmt, pfvf-\u003etot_lmt_lines,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k.c-67-\t\t\t LMT_LINE_SIZE);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c=666=static int cn10k_ipsec_outb_add_state(struct net_device *dev,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c-680-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c:681:\terr = qmem_alloc(pf-\u003edev, \u0026sa_info, pf-\u003eipsec.sa_size, OTX2_ALIGN);\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c-682-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=520=static int cn20k_aura_aq_init(struct otx2_nic *pfvf, int aura_id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-533-\tif (!pool-\u003efc_addr) {\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:534:\t\terr = qmem_alloc(pfvf-\u003edev, \u0026pool-\u003efc_addr, 1, OTX2_ALIGN);\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-535-\t\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=597=static int cn20k_pool_aq_init(struct otx2_nic *pfvf, u16 pool_id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-607-\t/* Alloc memory for stack which is used to store buffer pointers */\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:608:\terr = qmem_alloc(pfvf-\u003edev, \u0026pool-\u003estack,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-609-\t\t\t stack_pages, pfvf-\u003ehw.stack_pg_bytes);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=961=int otx2_sq_init(struct otx2_nic *pfvf, u16 qidx, u16 sqb_aura)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-973-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:974:\terr = qmem_alloc(pfvf-\u003edev, \u0026sq-\u003esqe, 1, sq-\u003esqe_size);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-975-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-991-\t */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:992:\terr = qmem_alloc(pfvf-\u003edev, \u0026sq-\u003esqe_ring, qset-\u003esqe_cnt,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-993-\t\t\t sq-\u003esqe_size * 2);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-996-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:997:\terr = qmem_alloc(pfvf-\u003edev, \u0026sq-\u003ecpt_resp, qset-\u003esqe_cnt, 64);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-998-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1001-\tif (qidx \u003c pfvf-\u003ehw.tx_queues) {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:1002:\t\terr = qmem_alloc(pfvf-\u003edev, \u0026sq-\u003etso_hdrs, qset-\u003esqe_cnt,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1003-\t\t\t\t TSO_HEADER_SIZE);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1013-\tif (pfvf-\u003eptp \u0026\u0026 qidx \u003c pfvf-\u003ehw.tx_queues) {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:1014:\t\terr = qmem_alloc(pfvf-\u003edev, \u0026sq-\u003etimestamps, qset-\u003esqe_cnt,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1015-\t\t\t\t sizeof(*sq-\u003etimestamps));\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=1051=int otx2_cq_init(struct otx2_nic *pfvf, u16 qidx)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1099-\t/* Allocate memory for CQEs */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:1100:\terr = qmem_alloc(pfvf-\u003edev, \u0026cq-\u003ecqe, cq-\u003ecqe_cnt, cq-\u003ecqe_size);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1101-\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=1376=int otx2_aura_aq_init(struct otx2_nic *pfvf, int aura_id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1388-\tif (!pool-\u003efc_addr) {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:1389:\t\terr = qmem_alloc(pfvf-\u003edev, \u0026pool-\u003efc_addr, 1, OTX2_ALIGN);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1390-\t\tif (err)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=1460=int otx2_pool_aq_init(struct otx2_nic *pfvf, u16 pool_id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1470-\t/* Alloc memory for stack which is used to store buffer pointers */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:1471:\terr = qmem_alloc(pfvf-\u003edev, \u0026pool-\u003estack,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-1472-\t\t\t stack_pages, pfvf-\u003ehw.stack_pg_bytes);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=579=static void *cn20k_pfvf_mbox_alloc(struct otx2_nic *pf, int numvfs)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-583-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:584:\terr = qmem_alloc(\u0026pf-\u003epdev-\u003edev, \u0026mbox_addr, numvfs, MBOX_SIZE);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-585-\tif (err) {\n"
} |
| 7/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 15649 output: 22 thoughts: 378 Thoughts: **My Assessment of Marvell OcteonTX2 and Fuzzing Feasibility** Okay, let's break this down. My initial thought is to determine if the Marvell OcteonTX2 code is inherently hardware-specific. I need to figure out if it falls under the "WorthFuzzing=false" category, specifically the "Structurally unreachable hardware" clause. This means I need to assess if this code interacts with vendor-specific PCIe switches, SmartNICs, or GPU drivers that *require* physical hardware β stuff not typically emulated in a standard QEMU environment. My line of reasoning is clear: Is the OcteonTX2 a SmartNIC or Ethernet ASIC driver that's dependent on specific hardware, especially a PCIe device, and crucially, *not* emulated in standard QEMU? So, first I'll zero in on the `drivers/net/ethernet/marvell/octeontx2/` directory. Based on my existing knowledge, Marvell's OcteonTX2 RVU architecture is a key component, used in their Octeon TX2 network processors, which are typically found in SmartNICs and SoCs (CN9XXX, CN10K, etc.). Bingo, that's a PCIe device! They have specific PCI IDs, vendor 0x177d (CAVIUM), and various device IDs such as 0xA065, 0xA063, 0xA064, and others. And the conclusion I've come to: These devices aren't emulated in standard QEMU, or at least GCE environments. To be thorough, I will also need to check if there are any mock devices. Also, I'll need to check if this code is included anywhere outside of that driver, which could indicate a level of abstraction or hardware-independent parts. Specifically, I'll look into the inclusion of `common.h` to see how it might be used. |
| 8/2 | 2026/09/11 03:39 | tool | grepper |
0mError:no matches Args: {
"Expression": "#include.*af/common\\.h"
}Results: {
"error": "no matches"
} |
| 9/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 16485 output: 21 thoughts: 12 Thoughts: Here's my take on those thoughts: **Okay, Let's Get to Work** Right, time to dig in. The first thing I need to do is locate that crucial header file, `#include "common.h"`. That's likely the jumping-off point for understanding this code base. It's probably where a lot of the core definitions and structures are located. Once I find it, I can start tracing dependencies and understanding the overall architecture. Let's see if I can use a simple search to locate that file quickly. |
| 10/2 | 2026/09/11 03:39 | tool | grepper |
0mArgs:{
"Expression": "#include \"common\\.h\""
}Results: {
"Output": "\nFull output is too long, showing 500 out of 2768 lines.\nUse more precise expression if possible.\n\narch/arm/mach-davinci/common.c-18-\narch/arm/mach-davinci/common.c:19:#include \"common.h\"\narch/arm/mach-davinci/common.c-20-#include \"cputype.h\"\n--\narch/arm/mach-davinci/cputype.h-16-\narch/arm/mach-davinci/cputype.h:17:#include \"common.h\"\narch/arm/mach-davinci/cputype.h-18-\n--\narch/arm/mach-davinci/da850.c-22-\narch/arm/mach-davinci/da850.c:23:#include \"common.h\"\narch/arm/mach-davinci/da850.c-24-#include \"cputype.h\"\n--\narch/arm/mach-davinci/da8xx-dt.c-9-\narch/arm/mach-davinci/da8xx-dt.c:10:#include \"common.h\"\narch/arm/mach-davinci/da8xx-dt.c-11-#include \"da8xx.h\"\n--\narch/arm/mach-davinci/devices-da8xx.c-20-\narch/arm/mach-davinci/devices-da8xx.c:21:#include \"common.h\"\narch/arm/mach-davinci/devices-da8xx.c-22-#include \"cputype.h\"\n--\narch/arm/mach-davinci/mux.c-23-#include \"mux.h\"\narch/arm/mach-davinci/mux.c:24:#include \"common.h\"\narch/arm/mach-davinci/mux.c-25-\n--\narch/arm/mach-davinci/pdata-quirks.c-12-\narch/arm/mach-davinci/pdata-quirks.c:13:#include \"common.h\"\narch/arm/mach-davinci/pdata-quirks.c-14-#include \"da8xx.h\"\n--\narch/arm/mach-davinci/pm.c-18-\narch/arm/mach-davinci/pm.c:19:#include \"common.h\"\narch/arm/mach-davinci/pm.c-20-#include \"da8xx.h\"\n--\narch/arm/mach-davinci/sram.c-11-\narch/arm/mach-davinci/sram.c:12:#include \"common.h\"\narch/arm/mach-davinci/sram.c-13-#include \"sram.h\"\n--\narch/arm/mach-dove/cm-a510.c-22-#include \"dove.h\"\narch/arm/mach-dove/cm-a510.c:23:#include \"common.h\"\narch/arm/mach-dove/cm-a510.c-24-\n--\narch/arm/mach-dove/common.c-24-#include \"pm.h\"\narch/arm/mach-dove/common.c:25:#include \"common.h\"\narch/arm/mach-dove/common.c-26-\n--\narch/arm/mach-dove/irq.c-16-#include \"bridge-regs.h\"\narch/arm/mach-dove/irq.c:17:#include \"common.h\"\narch/arm/mach-dove/irq.c-18-\n--\narch/arm/mach-dove/pcie.c-19-#include \"bridge-regs.h\"\narch/arm/mach-dove/pcie.c:20:#include \"common.h\"\narch/arm/mach-dove/pcie.c-21-\n--\narch/arm/mach-exynos/exynos.c-21-\narch/arm/mach-exynos/exynos.c:22:#include \"common.h\"\narch/arm/mach-exynos/exynos.c-23-\n--\narch/arm/mach-exynos/firmware.c-18-\narch/arm/mach-exynos/firmware.c:19:#include \"common.h\"\narch/arm/mach-exynos/firmware.c-20-#include \"smc.h\"\n--\narch/arm/mach-exynos/mcpm-exynos.c-18-\narch/arm/mach-exynos/mcpm-exynos.c:19:#include \"common.h\"\narch/arm/mach-exynos/mcpm-exynos.c-20-\n--\narch/arm/mach-exynos/platsmp.c-24-\narch/arm/mach-exynos/platsmp.c:25:#include \"common.h\"\narch/arm/mach-exynos/platsmp.c-26-\n--\narch/arm/mach-exynos/pm.c-24-\narch/arm/mach-exynos/pm.c:25:#include \"common.h\"\narch/arm/mach-exynos/pm.c-26-\n--\narch/arm/mach-exynos/suspend.c-32-\narch/arm/mach-exynos/suspend.c:33:#include \"common.h\"\narch/arm/mach-exynos/suspend.c-34-#include \"smc.h\"\n--\narch/arm/mach-footbridge/common.c-28-\narch/arm/mach-footbridge/common.c:29:#include \"common.h\"\narch/arm/mach-footbridge/common.c-30-\n--\narch/arm/mach-footbridge/dc21285-timer.c-20-\narch/arm/mach-footbridge/dc21285-timer.c:21:#include \"common.h\"\narch/arm/mach-footbridge/dc21285-timer.c-22-\n--\narch/arm/mach-footbridge/ebsa285.c-17-\narch/arm/mach-footbridge/ebsa285.c:18:#include \"common.h\"\narch/arm/mach-footbridge/ebsa285.c-19-\n--\narch/arm/mach-footbridge/isa-irq.c-27-\narch/arm/mach-footbridge/isa-irq.c:28:#include \"common.h\"\narch/arm/mach-footbridge/isa-irq.c-29-\n--\narch/arm/mach-footbridge/isa-rtc.c-24-\narch/arm/mach-footbridge/isa-rtc.c:25:#include \"common.h\"\narch/arm/mach-footbridge/isa-rtc.c-26-\n--\narch/arm/mach-footbridge/isa-timer.c-18-\narch/arm/mach-footbridge/isa-timer.c:19:#include \"common.h\"\narch/arm/mach-footbridge/isa-timer.c-20-\n--\narch/arm/mach-footbridge/isa.c-12-\narch/arm/mach-footbridge/isa.c:13:#include \"common.h\"\narch/arm/mach-footbridge/isa.c-14-\n--\narch/arm/mach-footbridge/netwinder-hw.c-25-\narch/arm/mach-footbridge/netwinder-hw.c:26:#include \"common.h\"\narch/arm/mach-footbridge/netwinder-hw.c-27-\n--\narch/arm/mach-imx/anatop.c-12-#include \u003clinux/regmap.h\u003e\narch/arm/mach-imx/anatop.c:13:#include \"common.h\"\narch/arm/mach-imx/anatop.c-14-#include \"hardware.h\"\n--\narch/arm/mach-imx/avic.c-16-\narch/arm/mach-imx/avic.c:17:#include \"common.h\"\narch/arm/mach-imx/avic.c-18-#include \"hardware.h\"\n--\narch/arm/mach-imx/cpu-imx31.c-11-\narch/arm/mach-imx/cpu-imx31.c:12:#include \"common.h\"\narch/arm/mach-imx/cpu-imx31.c-13-#include \"hardware.h\"\n--\narch/arm/mach-imx/cpu-imx5.c-16-#include \"hardware.h\"\narch/arm/mach-imx/cpu-imx5.c:17:#include \"common.h\"\narch/arm/mach-imx/cpu-imx5.c-18-\n--\narch/arm/mach-imx/cpu.c-8-#include \"hardware.h\"\narch/arm/mach-imx/cpu.c:9:#include \"common.h\"\narch/arm/mach-imx/cpu.c-10-\n--\narch/arm/mach-imx/cpuidle-imx6q.c-12-\narch/arm/mach-imx/cpuidle-imx6q.c:13:#include \"common.h\"\narch/arm/mach-imx/cpuidle-imx6q.c-14-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/cpuidle-imx6sl.c-10-\narch/arm/mach-imx/cpuidle-imx6sl.c:11:#include \"common.h\"\narch/arm/mach-imx/cpuidle-imx6sl.c-12-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/cpuidle-imx6sx.c-12-\narch/arm/mach-imx/cpuidle-imx6sx.c:13:#include \"common.h\"\narch/arm/mach-imx/cpuidle-imx6sx.c-14-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/cpuidle-imx7ulp.c-11-\narch/arm/mach-imx/cpuidle-imx7ulp.c:12:#include \"common.h\"\narch/arm/mach-imx/cpuidle-imx7ulp.c-13-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/gpc.c-13-\narch/arm/mach-imx/gpc.c:14:#include \"common.h\"\narch/arm/mach-imx/gpc.c-15-#include \"hardware.h\"\n--\narch/arm/mach-imx/hotplug.c-12-\narch/arm/mach-imx/hotplug.c:13:#include \"common.h\"\narch/arm/mach-imx/hotplug.c-14-#include \"hardware.h\"\n--\narch/arm/mach-imx/mach-imx1.c-7-\narch/arm/mach-imx/mach-imx1.c:8:#include \"common.h\"\narch/arm/mach-imx/mach-imx1.c-9-#include \"hardware.h\"\n--\narch/arm/mach-imx/mach-imx25.c-6-#include \u003casm/mach/arch.h\u003e\narch/arm/mach-imx/mach-imx25.c:7:#include \"common.h\"\narch/arm/mach-imx/mach-imx25.c-8-#include \"hardware.h\"\n--\narch/arm/mach-imx/mach-imx27.c-9-\narch/arm/mach-imx/mach-imx27.c:10:#include \"common.h\"\narch/arm/mach-imx/mach-imx27.c-11-#include \"hardware.h\"\n--\narch/arm/mach-imx/mach-imx31.c-6-#include \u003casm/mach/arch.h\u003e\narch/arm/mach-imx/mach-imx31.c:7:#include \"common.h\"\narch/arm/mach-imx/mach-imx31.c-8-\n--\narch/arm/mach-imx/mach-imx35.c-8-#include \u003casm/mach/arch.h\u003e\narch/arm/mach-imx/mach-imx35.c:9:#include \"common.h\"\narch/arm/mach-imx/mach-imx35.c-10-#include \"mx35.h\"\n--\narch/arm/mach-imx/mach-imx50.c-9-\narch/arm/mach-imx/mach-imx50.c:10:#include \"common.h\"\narch/arm/mach-imx/mach-imx50.c-11-#include \"hardware.h\"\n--\narch/arm/mach-imx/mach-imx51.c-11-\narch/arm/mach-imx/mach-imx51.c:12:#include \"common.h\"\narch/arm/mach-imx/mach-imx51.c-13-#include \"hardware.h\"\n--\narch/arm/mach-imx/mach-imx53.c-8-\narch/arm/mach-imx/mach-imx53.c:9:#include \"common.h\"\narch/arm/mach-imx/mach-imx53.c-10-#include \"hardware.h\"\n--\narch/arm/mach-imx/mach-imx6q.c-18-\narch/arm/mach-imx/mach-imx6q.c:19:#include \"common.h\"\narch/arm/mach-imx/mach-imx6q.c-20-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/mach-imx6sl.c-13-\narch/arm/mach-imx/mach-imx6sl.c:14:#include \"common.h\"\narch/arm/mach-imx/mach-imx6sl.c-15-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/mach-imx6sx.c-11-\narch/arm/mach-imx/mach-imx6sx.c:12:#include \"common.h\"\narch/arm/mach-imx/mach-imx6sx.c-13-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/mach-imx6ul.c-8-\narch/arm/mach-imx/mach-imx6ul.c:9:#include \"common.h\"\narch/arm/mach-imx/mach-imx6ul.c-10-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/mach-imx7d.c-14-\narch/arm/mach-imx/mach-imx7d.c:15:#include \"common.h\"\narch/arm/mach-imx/mach-imx7d.c-16-\n--\narch/arm/mach-imx/mach-imx7ulp.c-13-\narch/arm/mach-imx/mach-imx7ulp.c:14:#include \"common.h\"\narch/arm/mach-imx/mach-imx7ulp.c-15-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/mach-ls1021a.c-7-\narch/arm/mach-imx/mach-ls1021a.c:8:#include \"common.h\"\narch/arm/mach-imx/mach-ls1021a.c-9-\n--\narch/arm/mach-imx/mach-vf610.c-13-\narch/arm/mach-imx/mach-vf610.c:14:#include \"common.h\"\narch/arm/mach-imx/mach-vf610.c-15-#include \"hardware.h\"\n--\narch/arm/mach-imx/mm-imx3.c-19-\narch/arm/mach-imx/mm-imx3.c:20:#include \"common.h\"\narch/arm/mach-imx/mm-imx3.c-21-#include \"crmregs-imx3.h\"\n--\narch/arm/mach-imx/mmdc.c-20-\narch/arm/mach-imx/mmdc.c:21:#include \"common.h\"\narch/arm/mach-imx/mmdc.c-22-\n--\narch/arm/mach-imx/platsmp.c-16-\narch/arm/mach-imx/platsmp.c:17:#include \"common.h\"\narch/arm/mach-imx/platsmp.c-18-#include \"hardware.h\"\n--\narch/arm/mach-imx/pm-imx25.c-8-#include \u003clinux/io.h\u003e\narch/arm/mach-imx/pm-imx25.c:9:#include \"common.h\"\narch/arm/mach-imx/pm-imx25.c-10-\n--\narch/arm/mach-imx/pm-imx27.c-14-\narch/arm/mach-imx/pm-imx27.c:15:#include \"common.h\"\narch/arm/mach-imx/pm-imx27.c-16-#include \"hardware.h\"\n--\narch/arm/mach-imx/pm-imx5.c-21-\narch/arm/mach-imx/pm-imx5.c:22:#include \"common.h\"\narch/arm/mach-imx/pm-imx5.c-23-#include \"cpuidle.h\"\n--\narch/arm/mach-imx/pm-imx6.c-27-\narch/arm/mach-imx/pm-imx6.c:28:#include \"common.h\"\narch/arm/mach-imx/pm-imx6.c-29-#include \"hardware.h\"\n--\narch/arm/mach-imx/pm-imx7ulp.c-11-\narch/arm/mach-imx/pm-imx7ulp.c:12:#include \"common.h\"\narch/arm/mach-imx/pm-imx7ulp.c-13-\n--\narch/arm/mach-imx/src.c-15-#include \u003casm/smp_plat.h\u003e\narch/arm/mach-imx/src.c:16:#include \"common.h\"\narch/arm/mach-imx/src.c-17-#include \"hardware.h\"\n--\narch/arm/mach-imx/system.c-22-\narch/arm/mach-imx/system.c:23:#include \"common.h\"\narch/arm/mach-imx/system.c-24-#include \"hardware.h\"\n--\narch/arm/mach-imx/tzic.c-17-\narch/arm/mach-imx/tzic.c:18:#include \"common.h\"\narch/arm/mach-imx/tzic.c-19-#include \"hardware.h\"\n--\narch/arm/mach-lpc32xx/common.c-16-#include \"lpc32xx.h\"\narch/arm/mach-lpc32xx/common.c:17:#include \"common.h\"\narch/arm/mach-lpc32xx/common.c-18-\n--\narch/arm/mach-lpc32xx/phy3250.c-11-#include \u003casm/mach/arch.h\u003e\narch/arm/mach-lpc32xx/phy3250.c:12:#include \"common.h\"\narch/arm/mach-lpc32xx/phy3250.c-13-\n--\narch/arm/mach-lpc32xx/pm.c-71-#include \"lpc32xx.h\"\narch/arm/mach-lpc32xx/pm.c:72:#include \"common.h\"\narch/arm/mach-lpc32xx/pm.c-73-\n--\narch/arm/mach-lpc32xx/serial.c-20-#include \"lpc32xx.h\"\narch/arm/mach-lpc32xx/serial.c:21:#include \"common.h\"\narch/arm/mach-lpc32xx/serial.c-22-\n--\narch/arm/mach-mmp/common.c-17-\narch/arm/mach-mmp/common.c:18:#include \"common.h\"\narch/arm/mach-mmp/common.c-19-\n--\narch/arm/mach-mmp/mmp-dt.c-13-\narch/arm/mach-mmp/mmp-dt.c:14:#include \"common.h\"\narch/arm/mach-mmp/mmp-dt.c-15-\n--\narch/arm/mach-mmp/mmp2-dt.c-13-\narch/arm/mach-mmp/mmp2-dt.c:14:#include \"common.h\"\narch/arm/mach-mmp/mmp2-dt.c-15-\n--\narch/arm/mach-mmp/mmp3.c-10-\narch/arm/mach-mmp/mmp3.c:11:#include \"common.h\"\narch/arm/mach-mmp/mmp3.c-12-\n--\narch/arm/mach-mv78xx0/buffalo-wxl-setup.c-22-#include \"mv78xx0.h\"\narch/arm/mach-mv78xx0/buffalo-wxl-setup.c:23:#include \"common.h\"\narch/arm/mach-mv78xx0/buffalo-wxl-setup.c-24-#include \"mpp.h\"\n--\narch/arm/mach-mv78xx0/common.c-25-#include \"bridge-regs.h\"\narch/arm/mach-mv78xx0/common.c:26:#include \"common.h\"\narch/arm/mach-mv78xx0/common.c-27-\n--\narch/arm/mach-mv78xx0/irq.c-14-#include \"bridge-regs.h\"\narch/arm/mach-mv78xx0/irq.c:15:#include \"common.h\"\narch/arm/mach-mv78xx0/irq.c-16-\n--\narch/arm/mach-mv78xx0/mpp.c-12-#include \"mv78xx0.h\"\narch/arm/mach-mv78xx0/mpp.c:13:#include \"common.h\"\narch/arm/mach-mv78xx0/mpp.c-14-#include \"mpp.h\"\n--\narch/arm/mach-mv78xx0/pcie.c-15-#include \"mv78xx0.h\"\narch/arm/mach-mv78xx0/pcie.c:16:#include \"common.h\"\narch/arm/mach-mv78xx0/pcie.c-17-\n--\narch/arm/mach-mvebu/board-v7.c-28-#include \"armada-370-xp.h\"\narch/arm/mach-mvebu/board-v7.c:29:#include \"common.h\"\narch/arm/mach-mvebu/board-v7.c-30-#include \"coherency.h\"\n--\narch/arm/mach-mvebu/cpu-reset.c-15-\narch/arm/mach-mvebu/cpu-reset.c:16:#include \"common.h\"\narch/arm/mach-mvebu/cpu-reset.c-17-\n--\narch/arm/mach-mvebu/dove.c-13-#include \u003casm/mach/arch.h\u003e\narch/arm/mach-mvebu/dove.c:14:#include \"common.h\"\narch/arm/mach-mvebu/dove.c-15-\n--\narch/arm/mach-mvebu/kirkwood.c-24-#include \"kirkwood-pm.h\"\narch/arm/mach-mvebu/kirkwood.c:25:#include \"common.h\"\narch/arm/mach-mvebu/kirkwood.c-26-\n--\narch/arm/mach-mvebu/mvebu-soc-id.c-24-#include \u003clinux/sys_soc.h\u003e\narch/arm/mach-mvebu/mvebu-soc-id.c:25:#include \"common.h\"\narch/arm/mach-mvebu/mvebu-soc-id.c-26-#include \"mvebu-soc-id.h\"\n--\narch/arm/mach-mvebu/platsmp-a9.c-18-#include \u003casm/smp_plat.h\u003e\narch/arm/mach-mvebu/platsmp-a9.c:19:#include \"common.h\"\narch/arm/mach-mvebu/platsmp-a9.c-20-#include \"pmsu.h\"\n--\narch/arm/mach-mvebu/platsmp.c-24-#include \u003casm/smp_plat.h\u003e\narch/arm/mach-mvebu/platsmp.c:25:#include \"common.h\"\narch/arm/mach-mvebu/platsmp.c-26-#include \"armada-370-xp.h\"\n--\narch/arm/mach-mvebu/pm-board.c-17-#include \u003clinux/slab.h\u003e\narch/arm/mach-mvebu/pm-board.c:18:#include \"common.h\"\narch/arm/mach-mvebu/pm-board.c-19-\n--\narch/arm/mach-mvebu/pm.c-22-#include \"coherency.h\"\narch/arm/mach-mvebu/pm.c:23:#include \"common.h\"\narch/arm/mach-mvebu/pm.c-24-#include \"pmsu.h\"\n--\narch/arm/mach-mvebu/pmsu.c-37-#include \u003casm/tlbflush.h\u003e\narch/arm/mach-mvebu/pmsu.c:38:#include \"common.h\"\narch/arm/mach-mvebu/pmsu.c-39-#include \"pmsu.h\"\n--\narch/arm/mach-mvebu/system-controller.c-26-#include \u003clinux/reboot.h\u003e\narch/arm/mach-mvebu/system-controller.c:27:#include \"common.h\"\narch/arm/mach-mvebu/system-controller.c-28-#include \"mvebu-soc-id.h\"\n--\narch/arm/mach-omap1/board-ams-delta.c-44-#include \"iomap.h\"\narch/arm/mach-omap1/board-ams-delta.c:45:#include \"common.h\"\narch/arm/mach-omap1/board-ams-delta.c-46-\n--\narch/arm/mach-omap1/board-nokia770.c-34-#include \"usb.h\"\narch/arm/mach-omap1/board-nokia770.c:35:#include \"common.h\"\narch/arm/mach-omap1/board-nokia770.c-36-#include \"clock.h\"\n--\narch/arm/mach-omap1/board-osk.c-56-#include \"usb.h\"\narch/arm/mach-omap1/board-osk.c:57:#include \"common.h\"\narch/arm/mach-omap1/board-osk.c-58-\n--\narch/arm/mach-omap1/board-palmte.c-42-#include \"mmc.h\"\narch/arm/mach-omap1/board-palmte.c:43:#include \"common.h\"\narch/arm/mach-omap1/board-palmte.c-44-\n--\narch/arm/mach-omap1/board-sx1.c-41-#include \"usb.h\"\narch/arm/mach-omap1/board-sx1.c:42:#include \"common.h\"\narch/arm/mach-omap1/board-sx1.c-43-\n--\narch/arm/mach-omap1/devices.c-23-#include \"hardware.h\"\narch/arm/mach-omap1/devices.c:24:#include \"common.h\"\narch/arm/mach-omap1/devices.c-25-#include \"clock.h\"\n--\narch/arm/mach-omap1/id.c-19-#include \"hardware.h\"\narch/arm/mach-omap1/id.c:20:#include \"common.h\"\narch/arm/mach-omap1/id.c-21-\n--\narch/arm/mach-omap1/io.c-18-#include \"iomap.h\"\narch/arm/mach-omap1/io.c:19:#include \"common.h\"\narch/arm/mach-omap1/io.c-20-\n--\narch/arm/mach-omap1/irq.c-51-#include \"hardware.h\"\narch/arm/mach-omap1/irq.c:52:#include \"common.h\"\narch/arm/mach-omap1/irq.c-53-\n--\narch/arm/mach-omap1/ocpi.c-25-#include \"hardware.h\"\narch/arm/mach-omap1/ocpi.c:26:#include \"common.h\"\narch/arm/mach-omap1/ocpi.c-27-\n--\narch/arm/mach-omap1/reset.c-10-#include \"iomap.h\"\narch/arm/mach-omap1/reset.c:11:#include \"common.h\"\narch/arm/mach-omap1/reset.c-12-\n--\narch/arm/mach-omap1/serial.c-22-\narch/arm/mach-omap1/serial.c:23:#include \"common.h\"\narch/arm/mach-omap1/serial.c-24-#include \"serial.h\"\n--\narch/arm/mach-omap1/time.c-55-#include \"iomap.h\"\narch/arm/mach-omap1/time.c:56:#include \"common.h\"\narch/arm/mach-omap1/time.c-57-#include \"clock.h\"\n--\narch/arm/mach-omap1/timer32k.c-54-#include \"hardware.h\"\narch/arm/mach-omap1/timer32k.c:55:#include \"common.h\"\narch/arm/mach-omap1/timer32k.c-56-\n--\narch/arm/mach-omap1/usb.c-21-#include \"usb.h\"\narch/arm/mach-omap1/usb.c:22:#include \"common.h\"\narch/arm/mach-omap1/usb.c-23-\n--\narch/arm/mach-omap2/am33xx-restart.c-9-\narch/arm/mach-omap2/am33xx-restart.c:10:#include \"common.h\"\narch/arm/mach-omap2/am33xx-restart.c-11-#include \"control.h\"\n--\narch/arm/mach-omap2/board-generic.c-19-\narch/arm/mach-omap2/board-generic.c:20:#include \"common.h\"\narch/arm/mach-omap2/board-generic.c-21-\n--\narch/arm/mach-omap2/board-n8x0.c-28-\narch/arm/mach-omap2/board-n8x0.c:29:#include \"common.h\"\narch/arm/mach-omap2/board-n8x0.c-30-#include \"mmc.h\"\n--\narch/arm/mach-omap2/clock.c-36-#include \"cm-regbits-34xx.h\"\narch/arm/mach-omap2/clock.c:37:#include \"common.h\"\narch/arm/mach-omap2/clock.c-38-\n--\narch/arm/mach-omap2/common.c-14-\narch/arm/mach-omap2/common.c:15:#include \"common.h\"\narch/arm/mach-omap2/common.c-16-#include \"omap-secure.h\"\n--\narch/arm/mach-omap2/control.c-20-#include \"iomap.h\"\narch/arm/mach-omap2/control.c:21:#include \"common.h\"\narch/arm/mach-omap2/control.c-22-#include \"cm-regbits-34xx.h\"\n--\narch/arm/mach-omap2/cpuidle34xx.c-32-#include \"control.h\"\narch/arm/mach-omap2/cpuidle34xx.c:33:#include \"common.h\"\narch/arm/mach-omap2/cpuidle34xx.c-34-#include \"soc.h\"\n--\narch/arm/mach-omap2/cpuidle44xx.c-17-\narch/arm/mach-omap2/cpuidle44xx.c:18:#include \"common.h\"\narch/arm/mach-omap2/cpuidle44xx.c-19-#include \"pm.h\"\n--\narch/arm/mach-omap2/devices.c-27-#include \"soc.h\"\narch/arm/mach-omap2/devices.c:28:#include \"common.h\"\narch/arm/mach-omap2/devices.c-29-#include \"control.h\"\n--\narch/arm/mach-omap2/display.c-26-#include \"omap_device.h\"\narch/arm/mach-omap2/display.c:27:#include \"common.h\"\narch/arm/mach-omap2/display.c-28-\n--\narch/arm/mach-omap2/dma.c-32-#include \"soc.h\"\narch/arm/mach-omap2/dma.c:33:#include \"common.h\"\narch/arm/mach-omap2/dma.c-34-\n--\narch/arm/mach-omap2/hdq1w.c-22-#include \"prm.h\"\narch/arm/mach-omap2/hdq1w.c:23:#include \"common.h\"\narch/arm/mach-omap2/hdq1w.c-24-\n--\narch/arm/mach-omap2/i2c.c-12-#include \"prm.h\"\narch/arm/mach-omap2/i2c.c:13:#include \"common.h\"\narch/arm/mach-omap2/i2c.c-14-#include \"i2c.h\"\n--\narch/arm/mach-omap2/id.c-27-\narch/arm/mach-omap2/id.c:28:#include \"common.h\"\narch/arm/mach-omap2/id.c-29-\n--\narch/arm/mach-omap2/io.c-32-#include \"clockdomain.h\"\narch/arm/mach-omap2/io.c:33:#include \"common.h\"\narch/arm/mach-omap2/io.c-34-#include \"clock.h\"\n--\narch/arm/mach-omap2/msdi.c-14-#include \"prm.h\"\narch/arm/mach-omap2/msdi.c:15:#include \"common.h\"\narch/arm/mach-omap2/msdi.c-16-#include \"control.h\"\n--\narch/arm/mach-omap2/omap-hotplug.c-19-#include \"omap-wakeupgen.h\"\narch/arm/mach-omap2/omap-hotplug.c:20:#include \"common.h\"\narch/arm/mach-omap2/omap-hotplug.c-21-#include \"powerdomain.h\"\n--\narch/arm/mach-omap2/omap-iommu.c-15-#include \"powerdomain.h\"\narch/arm/mach-omap2/omap-iommu.c:16:#include \"common.h\"\narch/arm/mach-omap2/omap-iommu.c-17-\n--\narch/arm/mach-omap2/omap-mpuss-lowpower.c-50-#include \"soc.h\"\narch/arm/mach-omap2/omap-mpuss-lowpower.c:51:#include \"common.h\"\narch/arm/mach-omap2/omap-mpuss-lowpower.c-52-#include \"omap44xx.h\"\n--\narch/arm/mach-omap2/omap-secure.c-21-\narch/arm/mach-omap2/omap-secure.c:22:#include \"common.h\"\narch/arm/mach-omap2/omap-secure.c-23-#include \"omap-secure.h\"\n--\narch/arm/mach-omap2/omap-smp.c-30-#include \"iomap.h\"\narch/arm/mach-omap2/omap-smp.c:31:#include \"common.h\"\narch/arm/mach-omap2/omap-smp.c-32-#include \"clockdomain.h\"\n--\n\n"
} |
| 11/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 26188 output: 41 thoughts: 31 Thoughts: Okay, here's my take on those thoughts, framed as an expert's internal monologue: **Investigating the OcteonTX2 AF Include Path** Alright, time to get to the bottom of this. I need to understand the dependencies around `drivers/net/ethernet/marvell/octeontx2/af/common.h`. Specifically, I want to trace back and determine precisely where this header file is being pulled in. This is likely part of a debugging effort or maybe I'm trying to understand how a particular feature is enabled/disabled or how the AF (Application Forwarding) component is integrated within the OcteonTX2's Ethernet driver. I need to quickly identify the call hierarchy. It could be directly included in a source file, or potentially brought in through a chain of includes, perhaps within a configuration macro or conditional compile statement. So, let's start with a search through the codebase to pinpoint the exact locations where this header file is being referenced. It's a fundamental step for efficient reverse engineering. |
| 12/2 | 2026/09/11 03:39 | tool | grepper |
0mArgs:{
"Expression": "#include.*common\\.h",
"PathPrefix": "drivers/net/ethernet/marvell/octeontx2"
}Results: {
"Output": "drivers/net/ethernet/marvell/octeontx2/af/cgx.c-21-#include \"rvu.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:22:#include \"lmac_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-23-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-15-#include \"rvu_struct.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:16:#include \"common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-17-#include \"cn20k/struct.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c-14-#include \"mcs_reg.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c:15:#include \"lmac_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/mcs_rvu_if.c-16-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-8-#include \"cgx.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:9:#include \"lmac_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-10-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-16-#include \"rvu_devlink.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h:17:#include \"common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-18-#include \"mbox.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c-13-#include \"cgx.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c:14:#include \"lmac_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c-15-#include \"rvu_reg.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c-18-#include \"cgx.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c:19:#include \"lmac_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c-20-#include \"npc.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-16-#include \"cgx.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:17:#include \"lmac_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-18-#include \"rvu_npc_hash.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c-21-#include \"cn20k/reg.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c:22:#include \"lmac_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c-23-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c-11-#include \"rvu_struct.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c:12:#include \"common.h\"\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c-13-#include \"mbox.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k.h-10-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k.h:11:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k.h-12-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c-12-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c:13:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c-14-#include \"otx2_struct.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c-9-#include \u003clinux/bitfield.h\u003e\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c:10:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c-11-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-7-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:8:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-9-#include \"otx2_reg.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h-10-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h:11:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h-12-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-16-#include \"otx2_reg.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:17:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-18-#include \"otx2_struct.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-7-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:8:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-9-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-6-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c:7:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-8-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c-7-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c:8:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dmac_flt.c-9-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c-15-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c:16:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c-17-#include \"otx2_ptp.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-10-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:11:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-12-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-21-#include \"otx2_reg.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:22:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-23-#include \"otx2_txrx.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c-9-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c:10:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c-11-#include \"otx2_ptp.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c-20-#include \"cn10k.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c:21:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c-22-#include \"qos.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c-17-#include \"otx2_reg.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:18:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c-19-#include \"otx2_struct.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c-12-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:13:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c-14-#include \"otx2_reg.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c-12-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c:13:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c-14-#include \"otx2_struct.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-11-\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:12:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-13-#include \"cn10k.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos_sq.c-12-#include \"otx2_reg.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/qos_sq.c:13:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/qos_sq.c-14-#include \"otx2_txrx.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c-13-\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c:14:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c-15-#include \"cn10k.h\"\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.h-14-#include \"otx2_txrx.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.h:15:#include \"otx2_common.h\"\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.h-16-\n"
} |
| 13/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 29896 output: 48 thoughts: 35 Thoughts: **Checking My Dependencies** Okay, before I proceed further, I need to make absolutely sure I haven't missed anything obvious. I'm going to quickly glance at `otx2_common.h` as well. It's crucial, and frankly, a frequent source of "gotchas" in this project. Now, the core question is whether `otx2_common.h` pulls in any of the base utilities. Specifically, is `af/common.h` being included there? A missing include here could explain the unusual behavior I'm chasing down, or at least help rule out some possibilities. Let's see... |
| 14/2 | 2026/09/11 03:39 | tool | grepper |
0mError:no matches Args: {
"Expression": "common\\.h",
"PathPrefix": "drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h"
}Results: {
"error": "no matches"
} |
| 15/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 30128 output: 51 thoughts: 16 Thoughts: Here's my summary, as if I were thinking these thoughts: **Peering into the Common Heart of OTX2** Okay, so I need to get a handle on the foundation of this OTX2 project. Time to dig into the details. I'm going to start by examining what `otx2_common.h` is pulling in. Understanding the dependencies at the very base level will give me a critical overview of this architecture. It's the standard operating procedure; you never want to go forward without grasping the building blocks. Knowing which headers it's including will instantly tell me where to look for data structures, fundamental definitions, utility functions, and possibly even external library interfaces that everything else depends on. Itβs the skeleton key, so to speak. |
| 16/2 | 2026/09/11 03:39 | tool | read-file |
0mArgs:{
"File": "drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h",
"FirstLine": 1,
"LineCount": 40
}Results: {
"Contents": " 1:\t/* SPDX-License-Identifier: GPL-2.0 */\n 2:\t/* Marvell RVU Ethernet driver\n 3:\t *\n 4:\t * Copyright (C) 2020 Marvell.\n 5:\t *\n 6:\t */\n 7:\t\n 8:\t#ifndef OTX2_COMMON_H\n 9:\t#define OTX2_COMMON_H\n 10:\t\n 11:\t#include \u003clinux/ethtool.h\u003e\n 12:\t#include \u003clinux/pci.h\u003e\n 13:\t#include \u003clinux/iommu.h\u003e\n 14:\t#include \u003clinux/net_tstamp.h\u003e\n 15:\t#include \u003clinux/ptp_clock_kernel.h\u003e\n 16:\t#include \u003clinux/timecounter.h\u003e\n 17:\t#include \u003clinux/soc/marvell/silicons.h\u003e\n 18:\t#include \u003clinux/soc/marvell/octeontx2/asm.h\u003e\n 19:\t#include \u003cnet/macsec.h\u003e\n 20:\t#include \u003cnet/pkt_cls.h\u003e\n 21:\t#include \u003cnet/devlink.h\u003e\n 22:\t#include \u003clinux/time64.h\u003e\n 23:\t#include \u003clinux/dim.h\u003e\n 24:\t#include \u003cuapi/linux/if_macsec.h\u003e\n 25:\t#include \u003cnet/page_pool/helpers.h\u003e\n 26:\t\n 27:\t#include \u003cmbox.h\u003e\n 28:\t#include \u003cnpc.h\u003e\n 29:\t#include \"otx2_reg.h\"\n 30:\t#include \"otx2_txrx.h\"\n 31:\t#include \"otx2_devlink.h\"\n 32:\t#include \u003crvu.h\u003e\n 33:\t#include \u003crvu_trace.h\u003e\n 34:\t#include \"qos.h\"\n 35:\t#include \"rep.h\"\n 36:\t#include \"cn10k_ipsec.h\"\n 37:\t#include \"cn20k.h\"\n 38:\t\n 39:\t/* IPv4 flag more fragment bit */\n 40:\t#define IPV4_FLAG_MORE\t\t\t\t0x20\n"
} |
| 17/2 | 2026/09/11 03:39 | llm | patch-evaluator |
0mModel:gemini-3.7-flash Args: null Results: null Tokens: input: 30963 output: 125 thoughts: 397 Thoughts: **My Assessment of Fuzzing Applicability** Okay, so I've traced the include path: `<mbox.h>` resolves to `drivers/net/ethernet/marvell/octeontx2/af/mbox.h`, which pulls in `common.h`. This means `drivers/net/ethernet/marvell/octeontx2/af/common.h` is *only* used within the Marvell OcteonTX2 AF and NIC drivers. That's the key. Now, the question is, can this code *actually* be executed in a standard fuzzing environment like QEMU or GCE? From the instructions, I remember that Section 2 specifically calls out "structurally unreachable hardware," and lists examples like vendor-specific PCIe switches and SmartNICs. Bingo! The Marvell OcteonTX2 is exactly that β a SmartNIC/network SoC (Cavium/Marvell OCTEON TX2 RVU AF/PF/VF) that *demands* dedicated physical hardware or PCIe devices. It's not emulated, and it's not accessible through virtual buses or any simulated devices in standard setups. Therefore, this patch is touching code that's fundamentally unreachable for fuzzing purposes. We need to mark it as not worth fuzzing. Let's verify this, dotting our i's and crossing our t's. We need to set the following: 1. `WorthFuzzing`: `false`. Definitely false. 2. `FocusSymbols`: An empty list (or null), since fuzzing isn't applicable. 3. `EnableConfigs`: Another empty list (or null) because we're not enabling anything for fuzzing. 4. `Reasoning`: Concise explanation, which I've got: The changes are structurally unreachable because the Marvell OcteonTX2 RVU driver requires physical hardware/ASIC, and that hardware is not emulated in QEMU/GCE. Alright, with that confirmed, I'm ready to call `set-results`. |
| 18/2 | 2026/09/11 03:39 | tool | set-results |
0mArgs:{
"EnableConfigs": [],
"FocusSymbols": [],
"Reasoning": "The patch modifies DMA allocation and memory management helpers (qmem_alloc, otx2_dma_alloc_coherent, etc.) in the Marvell OcteonTX2 RVU (Resource Virtualization Unit) driver. This driver is specific to Marvell OcteonTX2 SmartNIC / SoC physical PCIe hardware and is not emulated in standard virtualized QEMU or GCE fuzzing environments, making the code structurally unreachable for fuzzing.",
"WorthFuzzing": false
}Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"Reasoning": "The patch modifies DMA allocation and memory management helpers (qmem_alloc, otx2_dma_alloc_coherent, etc.) in the Marvell OcteonTX2 RVU (Resource Virtualization Unit) driver. This driver is specific to Marvell OcteonTX2 SmartNIC / SoC physical PCIe hardware and is not emulated in standard virtualized QEMU or GCE fuzzing environments, making the code structurally unreachable for fuzzing.",
"WorthFuzzing": false
} |
| 19/1 | 2026/09/11 03:39 | action | If |
0mArgs:{
"WorthFuzzing": false
}Results: null |
| Total Calls | Total Tokens | Avg Tokens | Total Duration (Seconds) | Avg Duration (Seconds) |
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| Total Calls | Total Duration (Seconds) | Avg Duration (Seconds) |
|---|