static void __demmt_ioctl_post(uint32_t fd, uint32_t id, struct mmt_buf *data, uint64_t ret, uint64_t err, void *state, struct mmt_memory_dump *args, int argc) { uint8_t dir, type, nr; uint16_t size; decode_ioctl_id(id, &dir, &type, &nr, &size); int print_raw = 0; enum mmt_fd_type fdtype = demmt_get_fdtype(fd); if (fdtype == FDDRM) print_raw = demmt_drm_ioctl_post(fd, id, dir, nr, size, data, ret, err, state, args, argc); else if (fdtype == FDNVIDIA) print_raw = nvrm_ioctl_post(fd, id, dir, nr, size, data, ret, err, state, args, argc); else if (fdtype == FDFGLRX) print_raw = fglrx_ioctl_post(fd, id, dir, nr, size, data, ret, err, state, args, argc); else mmt_error("ioctl 0x%x called for unknown type of file [%d, %d]\n", id, fd, fdtype); print_raw = print_raw || dump_raw_ioctl_data; if (print_raw) { mmt_log("ioctl post 0x%02x (0x%08x), fd: %d, dir: %2s, size: %4d", nr, id, fd, dir_desc[dir], size); if (ret) mmt_log_cont(", ret: 0x%" PRIx64 "", ret); if (err) mmt_log_cont(", err: 0x%" PRIx64 "", err); if (size != data->len) mmt_log_cont(", data.len: %d", data->len); ioctl_data_print(data); mmt_log_cont_nl(); } }
void nvrm_mmap(uint32_t id, uint32_t fd, uint64_t mmap_addr, uint64_t len, uint64_t mmap_offset) { struct gpu_object *obj; struct cpu_mapping *cpu_mapping; for (obj = gpu_objects; obj != NULL; obj = obj->next) for (cpu_mapping = obj->cpu_mappings; cpu_mapping != NULL; cpu_mapping = cpu_mapping->next) //can't validate fd if (cpu_mapping->mmap_offset == mmap_offset) { cpu_mapping->cpu_addr = mmap_addr; cpu_mapping->id = id; set_cpu_mapping(id, cpu_mapping); if (dump_sys_mmap) { if (cpu_mapping->fdtype == FDNVIDIA) { mmt_log_cont(", cid: 0x%08x, handle: 0x%08x", obj->cid, obj->handle); describe_nvrm_object(obj->cid, obj->handle, ""); } mmt_log_cont_nl(); } return; } if (dump_sys_mmap) mmt_log_cont_nl(); if (demmt_get_fdtype(fd) == FDNVIDIA) mmt_error("nvrm_mmap: couldn't find object/space offset: 0x%016" PRIx64 "\n", mmap_offset); buffer_mmap(id, fd, mmap_addr, len, mmap_offset); }
void nvrm_mmap(uint32_t id, uint32_t fd, uint64_t mmap_addr, uint64_t len, uint64_t mmap_offset) { struct gpu_object *obj; struct cpu_mapping *cpu_mapping; for (obj = gpu_objects; obj != NULL; obj = obj->next) for (cpu_mapping = obj->cpu_mappings; cpu_mapping != NULL; cpu_mapping = cpu_mapping->next) //can't validate fd if (cpu_mapping->mmap_offset == mmap_offset) { cpu_mapping->cpu_addr = mmap_addr; uint32_t old_id = cpu_mapping->id; cpu_mapping->id = id; set_cpu_mapping(id, cpu_mapping); if (dump_sys_mmap) { if (cpu_mapping->fdtype == FDNVIDIA) { mmt_log_cont(", cid: 0x%08x, handle: 0x%08x", obj->cid, obj->handle); describe_nvrm_object(obj->cid, obj->handle, ""); } mmt_log_cont_nl(); } if (old_id) mmt_error("%d -> %d, mapping reuse, expect crash soon\n", old_id, id); /* * On newer blob, where mmap_offset is 0 for * all mappings (WTF?), clobber the value to * prevent the next nvrm_mmap from finding this * mapping. */ if (cpu_mapping->mmap_offset == 0) cpu_mapping->mmap_offset = -1; return; } if (dump_sys_mmap) mmt_log_cont_nl(); if (demmt_get_fdtype(fd) == FDNVIDIA) mmt_error("nvrm_mmap: couldn't find object/space offset: 0x%016" PRIx64 "\n", mmap_offset); buffer_mmap(id, fd, mmap_addr, len, mmap_offset); }
static void __demmt_ioctl_pre(uint32_t fd, uint32_t id, struct mmt_buf *data, void *state, struct mmt_memory_dump *args, int argc) { uint8_t dir, type, nr; uint16_t size; decode_ioctl_id(id, &dir, &type, &nr, &size); int print_raw = 1; enum mmt_fd_type fdtype = demmt_get_fdtype(fd); if (fdtype == FDUNK) { if (type == 0x64) // DRM fdtype = undetected_fdtype = FDDRM; else if (type == 0x46) // nvidia fdtype = undetected_fdtype = FDNVIDIA; } if (fdtype == FDDRM) print_raw = demmt_drm_ioctl_pre(fd, id, dir, nr, size, data, state, args, argc); else if (fdtype == FDNVIDIA) print_raw = nvrm_ioctl_pre(fd, id, dir, nr, size, data, state, args, argc); else if (fdtype == FDFGLRX) print_raw = fglrx_ioctl_pre(fd, id, dir, nr, size, data, state, args, argc); else mmt_error("ioctl 0x%x called for unknown type of file [%d, %d]\n", id, fd, fdtype); print_raw = print_raw || dump_raw_ioctl_data; if (print_raw) { mmt_log("ioctl pre 0x%02x (0x%08x), fd: %d, dir: %2s, size: %4d", nr, id, fd, dir_desc[dir], size); if (size != data->len) mmt_log_cont(", data.len: %d", data->len); ioctl_data_print(data); mmt_log_cont_nl(); } }