Exemplo n.º 1
0
int init_module()
{
	int rv = 0;
	// Our_Proc_File = create_proc(PROC_ENTRY_FILENAME, 0644, NULL, &File_Ops_4_Our_Proc_File);
	Our_Proc_File = proc_create(PROC_ENTRY_FILENAME, 0644, NULL, &File_Ops_4_Our_Proc_File);
	// proc_set_user(Our_Proc_File, 0, 0);
	proc_set_size(Our_Proc_File, 80);

	/* After 3.10, definition of struct proc_dir_entry moved to fs/proc/internal.h
	to ensure the modules using the official procfs API.*/
	// Our_Proc_File->owner = THIS_MODULE;
	// Our_Proc_File->proc_iops = &Inode_Ops_4_Our_Proc_File;
	// Our_Proc_File->proc_fops = &File_Ops_4_Our_Proc_File;
	// Our_Proc_File->mode = S_IFREG | S_IRUGO | S_IWUSR;
	// Our_Proc_File->uid = 0;
	// Our_Proc_File->gid = 0;
	// Our_Proc_File->size = 80;

	printk(KERN_DEBUG"Init module: procfs\n");

	if (Our_Proc_File == NULL) {
		rv = -ENOMEM;
		remove_proc_entry(PROC_ENTRY_FILENAME, NULL);
		printk(KERN_INFO"Error: Could not initialize /proc/rw_test\n");
	}

	return rv;
}
Exemplo n.º 2
0
void msm_init_last_radio_log(struct module *owner)
{
	struct proc_dir_entry *entry;

	if (last_radio_log_fops.owner) {
		pr_err("%s: already claimed\n", __func__);
		return;
	}

	radio_log_base = smem_item(SMEM_CLKREGIM_BSP, &radio_log_size);
	if (!radio_log_base) {
		pr_err("%s: could not retrieve SMEM_CLKREGIM_BSP\n", __func__);
		return;
	}

	entry = proc_create("last_radio_log", S_IRUGO, NULL,
				&last_radio_log_fops);
	if (!entry) {
		pr_err("%s: could not create proc entry for radio log\n",
				__func__);
		return;
	}

	pr_err("%s: last radio log is %d bytes long\n", __func__,
		radio_log_size);
	last_radio_log_fops.owner = owner;
	proc_set_size(entry, radio_log_size);
}
Exemplo n.º 3
0
int pci_proc_attach_device(struct pci_dev *dev)
{
    struct pci_bus *bus = dev->bus;
    struct proc_dir_entry *e;
    char name[16];

    if (!proc_initialized)
        return -EACCES;

    if (!bus->procdir) {
        if (pci_proc_domain(bus)) {
            sprintf(name, "%04x:%02x", pci_domain_nr(bus),
                    bus->number);
        } else {
            sprintf(name, "%02x", bus->number);
        }
        bus->procdir = proc_mkdir(name, proc_bus_pci_dir);
        if (!bus->procdir)
            return -ENOMEM;
    }

    sprintf(name, "%02x.%x", PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
    e = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR, bus->procdir,
                         &proc_bus_pci_operations, dev);
    if (!e)
        return -ENOMEM;
    proc_set_size(e, dev->cfg_size);
    dev->procent = e;

    return 0;
}
Exemplo n.º 4
0
static int __init bofh_init(void)
{
    static struct file_operations ops = {
        .owner   = THIS_MODULE,
        .open    = &bofh_open,
        .read    = &seq_read,
        .llseek  = &seq_lseek,
        .release = &single_release,
    };

    bofh_proc_file = proc_create(BOFH_FILENAME, 0644, NULL, &ops);

    if (unlikely(bofh_proc_file == NULL)) {
        pr_alert("Error: kmod_bofh could not initialize /proc/%s\n",
            BOFH_FILENAME);
        return -ENOMEM;
    }

#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
    bofh_proc_file->uid = 0;
    bofh_proc_file->gid = 0;
    bofh_proc_file->size = 0;
#else
    proc_set_user(bofh_proc_file, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
    proc_set_size(bofh_proc_file, 0);
#endif

    pr_debug("BOFH module inititialized!\n");
    return 0;
}
Exemplo n.º 5
0
int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */
{
	struct proc_dir_entry *entry;
	int err = 0;

	if (!prof_on)
		return 0;

	cpu_notifier_register_begin();

	if (create_hash_tables()) {
		err = -ENOMEM;
		goto out;
	}

	entry = proc_create("profile", S_IWUSR | S_IRUGO,
			    NULL, &proc_profile_operations);
	if (!entry)
		goto out;
	proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t));
	__hotcpu_notifier(profile_cpu_callback, 0);

out:
	cpu_notifier_register_done();
	return err;
}
static int __init proc_ppc64_init(void)
{
	struct proc_dir_entry *pde;

	pde = proc_create_data("powerpc/systemcfg", S_IFREG|S_IRUGO, NULL,
			       &page_map_fops, vdso_data);
	if (!pde)
		return 1;
	proc_set_size(pde, PAGE_SIZE);

	return 0;
}
Exemplo n.º 7
0
static int __init ikconfig_init(void)
{
	struct proc_dir_entry *entry;

	/* create the current config file */
	entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL,
			    &ikconfig_file_ops);
	if (!entry)
		return -ENOMEM;

	proc_set_size(entry, &kernel_config_data_end - &kernel_config_data);

	return 0;
}
Exemplo n.º 8
0
static int __init zorro_proc_attach_device(unsigned int slot)
{
	struct proc_dir_entry *entry;
	char name[4];

	sprintf(name, "%02x", slot);
	entry = proc_create_data(name, 0, proc_bus_zorro_dir,
				 &proc_bus_zorro_operations,
				 &zorro_autocon[slot]);
	if (!entry)
		return -ENOMEM;
	proc_set_size(entry, sizeof(struct zorro_dev));
	return 0;
}
Exemplo n.º 9
0
static int __init ikheaders_init(void)
{
	struct proc_dir_entry *entry;

	/* create the current headers file */
	entry = proc_create("kheaders.tar.xz", S_IRUGO, NULL,
			    &ikheaders_file_ops);
	if (!entry)
		return -ENOMEM;

	proc_set_size(entry,
		      &kernel_headers_data_end -
		      &kernel_headers_data);
	return 0;
}
Exemplo n.º 10
0
int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */
{
	struct proc_dir_entry *entry;

	if (!prof_on)
		return 0;
	if (create_hash_tables())
		return -ENOMEM;
	entry = proc_create("profile", S_IWUSR | S_IRUGO,
			    NULL, &proc_profile_operations);
	if (!entry)
		return 0;
	proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t));
	hotcpu_notifier(profile_cpu_callback, 0);
	return 0;
}
Exemplo n.º 11
0
static int __init rk_last_log_init(void)
{
	size_t early_log_size;
	char *buf;
	struct proc_dir_entry *entry;

	if (!cpu_is_rockchip())
		return 0;

	buf = (char *)__get_free_pages(GFP_KERNEL, LOG_BUF_PAGE_ORDER);
	if (!buf) {
		pr_err("failed to __get_free_pages(%d)\n", LOG_BUF_PAGE_ORDER);
		return 0;
	}

	log_buf = last_log_vmap(virt_to_phys(buf), 1 << LOG_BUF_PAGE_ORDER);
	if (!log_buf) {
		pr_err("failed to map %d pages at 0x%08x\n", 1 << LOG_BUF_PAGE_ORDER, virt_to_phys(buf));
		return 0;
	}

	last_log_buf = (char *)vmalloc(LOG_BUF_LEN);
	if (!last_log_buf) {
		pr_err("failed to vmalloc(%d)\n", LOG_BUF_LEN);
		return 0;
	}

	memcpy(last_log_buf, buf, LOG_BUF_LEN);
	early_log_size = log_pos > sizeof(early_log_buf) ? sizeof(early_log_buf) : log_pos;
	memcpy(log_buf, early_log_buf, early_log_size);
	memset(log_buf + early_log_size, 0, LOG_BUF_LEN - early_log_size);

	pr_info("0x%08x map to 0x%p and copy to 0x%p, size 0x%x early 0x%x (version 3.0)\n", virt_to_phys(buf), log_buf, last_log_buf, LOG_BUF_LEN, early_log_size);

	entry = proc_create("last_kmsg", S_IRUSR, NULL, &last_log_fops);
	if (!entry) {
		pr_err("failed to create proc entry\n");
		return 0;
	}
	proc_set_size(entry, LOG_BUF_LEN);

	proc_symlink("last_log", NULL, "last_kmsg");

	return 0;
}
static int __init sec_avc_log_late_init(void)
{
	struct proc_dir_entry *entry;

	if (sec_avc_log_buf == NULL) {
		pr_err("%s: sec_avc_log_buf not initialized.\n", __func__);
		return 0;
	}

	entry = proc_create_data("avc_msg", S_IFREG | S_IRUGO, NULL, &avc_msg_file_ops, NULL);
	if (!entry) {
		pr_err("%s: failed to create proc entry\n", __func__);
		return 0;
	}

	proc_set_size(entry, sec_avc_log_size);
	return 0;
}
Exemplo n.º 13
0
static int __init sec_log_late_init(void)
{
	struct proc_dir_entry *entry;

	if (last_kmsg_buffer == NULL)
		return 0;

	entry = proc_create("last_kmsg", S_IFREG | S_IRUGO,
			NULL, &last_kmsg_file_ops);
	if (!entry) {
		pr_err("%s: failed to create proc entry\n", __func__);
		return 0;
	}

	//entry->size = last_kmsg_size;
	proc_set_size(entry, last_kmsg_size);
	return 0;
}
Exemplo n.º 14
0
static int __init init_cris_profile(void)
{
	struct proc_dir_entry *entry;

	sample_buffer = kmalloc(SAMPLE_BUFFER_SIZE, GFP_KERNEL);
	if (!sample_buffer) {
		return -ENOMEM;
	}

	sample_buffer_pos = sample_buffer;

	entry = proc_create("system_profile", S_IWUSR | S_IRUGO, NULL,
			    &cris_proc_profile_operations);
	if (entry) {
		proc_set_size(entry, SAMPLE_BUFFER_SIZE);
	}
	prof_running = 1;

	return 0;
}
Exemplo n.º 15
0
static void __init mmi_msm_acpu_bin_export(void)
{
	struct proc_dir_entry *proc;
	unsigned long flags;
	char acpu[64];

	spin_lock_irqsave(&mmi_msm_bin_lock, flags);
	if (!(mmi_msm_bin_info.set & ACPU_BIN_SET)) {
		spin_unlock_irqrestore(&mmi_msm_bin_lock, flags);
		pr_err("ACPU Bin is not available.\n");
		return;
	}
	spin_unlock_irqrestore(&mmi_msm_bin_lock, flags);

	mmi_panic_annotate("ACPU: ");
	if (mmi_msm_bin_info.speed != MMI_MSM_BIN_INVAL) {
		snprintf(acpu, sizeof(acpu), "Speed bin %d ",
				mmi_msm_bin_info.speed);
		mmi_panic_annotate(acpu);
	}
	if (mmi_msm_bin_info.pvs != MMI_MSM_BIN_INVAL) {
		proc = proc_create_data("cpu/msm_acpu_pvs",
			(S_IFREG | S_IRUGO), NULL,
			&mmi_acpu_proc_fops, (void *)mmi_msm_bin_info.pvs);
		if (!proc)
			pr_err("Failed to create /proc/cpu/msm_acpu_pvs.\n");
		else
			proc_set_size(proc, 1);
		snprintf(acpu, sizeof(acpu), "PVS bin %d ",
				mmi_msm_bin_info.pvs);
		mmi_panic_annotate(acpu);
	}
	if (mmi_msm_bin_info.ver != MMI_MSM_BIN_INVAL) {
		snprintf(acpu, sizeof(acpu), "PVS version %d ",
				mmi_msm_bin_info.ver);
		mmi_panic_annotate(acpu);
	}
	mmi_panic_annotate("\n");
}