1683e0550SKarthik Rajagopalan /**
2683e0550SKarthik Rajagopalan * Functions for generating pseudo-random CPER NVIDIA error sections.
3683e0550SKarthik Rajagopalan *
4683e0550SKarthik Rajagopalan **/
5683e0550SKarthik Rajagopalan
6683e0550SKarthik Rajagopalan #include <stdlib.h>
7683e0550SKarthik Rajagopalan #include <string.h>
8683e0550SKarthik Rajagopalan #include <stdio.h>
9683e0550SKarthik Rajagopalan #include "../../edk/BaseTypes.h"
10683e0550SKarthik Rajagopalan #include "../gen-utils.h"
11683e0550SKarthik Rajagopalan #include "gen-section.h"
12683e0550SKarthik Rajagopalan
13683e0550SKarthik Rajagopalan //Generates a single pseudo-random NVIDIA error section, saving the resulting address to the given
14683e0550SKarthik Rajagopalan //location. Returns the size of the newly created section.
generate_section_nvidia(void ** location)15683e0550SKarthik Rajagopalan size_t generate_section_nvidia(void **location)
16683e0550SKarthik Rajagopalan {
17683e0550SKarthik Rajagopalan const char *signatures[] = {
18683e0550SKarthik Rajagopalan "DCC-ECC", "DCC-COH", "HSS-BUSY", "HSS-IDLE",
19683e0550SKarthik Rajagopalan "CLink", "C2C", "C2C-IP-FAIL", "L0 RESET",
20683e0550SKarthik Rajagopalan "L1 RESET", "L2 RESET", "PCIe", "PCIe-DPC",
21683e0550SKarthik Rajagopalan "SOCHUB", "CCPLEXSCF", "CMET-NULL", "CMET-SHA256",
22683e0550SKarthik Rajagopalan "CMET-FULL", "DRAM-CHANNELS", "PAGES-RETIRED", "CCPLEXGIC",
23683e0550SKarthik Rajagopalan "MCF", "GPU-STATUS", "GPU-CONTNMT", "SMMU",
24683e0550SKarthik Rajagopalan };
25683e0550SKarthik Rajagopalan
26683e0550SKarthik Rajagopalan init_random();
27683e0550SKarthik Rajagopalan
28683e0550SKarthik Rajagopalan //Create random bytes.
29683e0550SKarthik Rajagopalan size_t size = sizeof(EFI_NVIDIA_ERROR_DATA);
30683e0550SKarthik Rajagopalan UINT8 *section = generate_random_bytes(size);
31683e0550SKarthik Rajagopalan
32683e0550SKarthik Rajagopalan //Reserved byte.
33683e0550SKarthik Rajagopalan EFI_NVIDIA_ERROR_DATA *nvidia_error = (EFI_NVIDIA_ERROR_DATA *)section;
34683e0550SKarthik Rajagopalan nvidia_error->Reserved = 0;
35683e0550SKarthik Rajagopalan
36683e0550SKarthik Rajagopalan //Signature.
37683e0550SKarthik Rajagopalan int idx_random = rand() % (sizeof(signatures) / sizeof(signatures[0]));
38683e0550SKarthik Rajagopalan strncpy(nvidia_error->Signature, signatures[idx_random],
39*379e492aSPatrick Williams sizeof(nvidia_error->Signature) - 1);
40*379e492aSPatrick Williams nvidia_error->Signature[sizeof(nvidia_error->Signature) - 1] = '\0';
41683e0550SKarthik Rajagopalan
42683e0550SKarthik Rajagopalan //Set return values, exit.
43683e0550SKarthik Rajagopalan *location = section;
44683e0550SKarthik Rajagopalan return size;
45683e0550SKarthik Rajagopalan }
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