162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci#include <errno.h> 462306a36Sopenharmony_ci#include <fcntl.h> 562306a36Sopenharmony_ci#include <signal.h> 662306a36Sopenharmony_ci#include <stdio.h> 762306a36Sopenharmony_ci#include <string.h> 862306a36Sopenharmony_ci#include <sys/ioctl.h> 962306a36Sopenharmony_ci#include <sys/mman.h> 1062306a36Sopenharmony_ci#include <sys/stat.h> 1162306a36Sopenharmony_ci#include <sys/types.h> 1262306a36Sopenharmony_ci#include <unistd.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci#include "vas-api.h" 1562306a36Sopenharmony_ci#include "utils.h" 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistatic bool faulted; 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_cistatic void sigbus_handler(int n, siginfo_t *info, void *ctxt_v) 2062306a36Sopenharmony_ci{ 2162306a36Sopenharmony_ci ucontext_t *ctxt = (ucontext_t *)ctxt_v; 2262306a36Sopenharmony_ci struct pt_regs *regs = ctxt->uc_mcontext.regs; 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci faulted = true; 2562306a36Sopenharmony_ci regs->nip += 4; 2662306a36Sopenharmony_ci} 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_cistatic int test_ra_error(void) 2962306a36Sopenharmony_ci{ 3062306a36Sopenharmony_ci struct vas_tx_win_open_attr attr; 3162306a36Sopenharmony_ci int fd, *paste_addr; 3262306a36Sopenharmony_ci char *devname = "/dev/crypto/nx-gzip"; 3362306a36Sopenharmony_ci struct sigaction act = { 3462306a36Sopenharmony_ci .sa_sigaction = sigbus_handler, 3562306a36Sopenharmony_ci .sa_flags = SA_SIGINFO, 3662306a36Sopenharmony_ci }; 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci memset(&attr, 0, sizeof(attr)); 3962306a36Sopenharmony_ci attr.version = 1; 4062306a36Sopenharmony_ci attr.vas_id = 0; 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ci SKIP_IF(access(devname, F_OK)); 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci fd = open(devname, O_RDWR); 4562306a36Sopenharmony_ci FAIL_IF(fd < 0); 4662306a36Sopenharmony_ci FAIL_IF(ioctl(fd, VAS_TX_WIN_OPEN, &attr) < 0); 4762306a36Sopenharmony_ci FAIL_IF(sigaction(SIGBUS, &act, NULL) != 0); 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ci paste_addr = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0ULL); 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci /* The following assignment triggers exception */ 5262306a36Sopenharmony_ci mb(); 5362306a36Sopenharmony_ci *paste_addr = 1; 5462306a36Sopenharmony_ci mb(); 5562306a36Sopenharmony_ci 5662306a36Sopenharmony_ci FAIL_IF(!faulted); 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ci return 0; 5962306a36Sopenharmony_ci} 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_ciint main(void) 6262306a36Sopenharmony_ci{ 6362306a36Sopenharmony_ci return test_harness(test_ra_error, "inject-ra-err"); 6462306a36Sopenharmony_ci} 6562306a36Sopenharmony_ci 66