Пример #1
0
void proc_ppc64_init(void)
{
	unsigned long i;
	struct proc_dir_entry *ent = NULL;
	char buf[256];

	printk("proc_ppc64: Creating /proc/ppc64/pmc\n");

	/*
	 * Create the root, system, and cpu directories as follows:
	 *   /proc/ppc64/pmc/system 
	 *   /proc/ppc64/pmc/cpu0 
	 */
	spin_lock(&proc_ppc64_lock);
	if (proc_ppc64_root == NULL) {
		proc_ppc64_root = proc_mkdir("ppc64", 0);
		if (!proc_ppc64_root) {
			spin_unlock(&proc_ppc64_lock);
			return;
		}
	}
	spin_unlock(&proc_ppc64_lock);

	ent = create_proc_entry("naca", S_IFREG|S_IRUGO, proc_ppc64_root);
	if ( ent ) {
		ent->nlink = 1;
		ent->data = naca;
		ent->size = 4096;
		ent->proc_fops = &nacamap_fops;
	}
	
	ent = create_proc_entry("systemcfg", S_IFREG|S_IRUGO, proc_ppc64_root);
	if ( ent ) {
		ent->nlink = 1;
		ent->data = systemcfg;
		ent->size = 4096;
		ent->proc_fops = &nacamap_fops;
	}

	/* /proc/ppc64/paca/XX -- raw paca contents.  Only readable to root */
	ent = proc_mkdir("paca", proc_ppc64_root);
	if (ent) {
		for (i = 0; i < systemcfg->processorCount; i++)
			proc_ppc64_create_paca(i, ent);
	}

	/* Placeholder for rtas interfaces. */
	if (rtas_proc_dir == NULL) {
		rtas_proc_dir = proc_mkdir("rtas", proc_ppc64_root);
	}

	/* Create the /proc/ppc64/pcifr for the Pci Flight Recorder.	 */
	proc_pciFr_init(proc_ppc64_root);

	proc_ppc64_pmc_root = proc_mkdir("pmc", proc_ppc64_root);

	proc_ppc64_pmc_system_root = proc_mkdir("system", proc_ppc64_pmc_root);
	for (i = 0; i < systemcfg->processorCount; i++) {
		sprintf(buf, "cpu%ld", i); 
		proc_ppc64_pmc_cpu_root[i] = proc_mkdir(buf, proc_ppc64_pmc_root);
	}


	/* Create directories for the software counters. */
	for (i = 0; i < systemcfg->processorCount; i++) {
		ent = create_proc_entry("stab", S_IRUGO | S_IWUSR, 
					proc_ppc64_pmc_cpu_root[i]);
		if (ent) {
			ent->nlink = 1;
			ent->data = (void *)proc_ppc64_pmc_cpu_root[i];
			ent->read_proc = (void *)proc_ppc64_pmc_stab_read;
			ent->write_proc = (void *)proc_ppc64_pmc_stab_read;
		}

		ent = create_proc_entry("htab", S_IRUGO | S_IWUSR, 
					proc_ppc64_pmc_cpu_root[i]);
		if (ent) {
			ent->nlink = 1;
			ent->data = (void *)proc_ppc64_pmc_cpu_root[i];
			ent->read_proc = (void *)proc_ppc64_pmc_htab_read;
			ent->write_proc = (void *)proc_ppc64_pmc_htab_read;
		}
	}

	ent = create_proc_entry("stab", S_IRUGO | S_IWUSR, 
				proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->data = (void *)proc_ppc64_pmc_system_root;
		ent->read_proc = (void *)proc_ppc64_pmc_stab_read;
		ent->write_proc = (void *)proc_ppc64_pmc_stab_read;
	}

	ent = create_proc_entry("htab", S_IRUGO | S_IWUSR, 
				proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->data = (void *)proc_ppc64_pmc_system_root;
		ent->read_proc = (void *)proc_ppc64_pmc_htab_read;
		ent->write_proc = (void *)proc_ppc64_pmc_htab_read;
	}

	ent = create_proc_entry("profile", S_IWUSR | S_IRUGO, proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->proc_fops = &proc_profile_operations;
		/* ent->size = (1+prof_len) * sizeof(unsigned int); */
	}

	ent = create_proc_entry("trace", S_IWUSR | S_IRUGO, proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->proc_fops = &proc_trace_operations;
		/* ent->size = (1+prof_len) * sizeof(unsigned int); */
	}

	ent = create_proc_entry("timeslice", S_IWUSR | S_IRUGO, proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->proc_fops = &proc_timeslice_operations;
	}

	/* Create directories for the hardware counters. */
	for (i = 0; i < systemcfg->processorCount; i++) {
		ent = create_proc_entry("hardware", S_IRUGO | S_IWUSR, 
					proc_ppc64_pmc_cpu_root[i]);
		if (ent) {
			ent->nlink = 1;
			ent->data = (void *)proc_ppc64_pmc_cpu_root[i];
			ent->read_proc = (void *)proc_ppc64_pmc_hw_read;
			ent->write_proc = (void *)proc_ppc64_pmc_hw_read;
		}
	}

	ent = create_proc_entry("hardware", S_IRUGO | S_IWUSR, 
				proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->data = (void *)proc_ppc64_pmc_system_root;
		ent->read_proc = (void *)proc_ppc64_pmc_hw_read;
		ent->write_proc = (void *)proc_ppc64_pmc_hw_read;
	}
}
Пример #2
0
void proc_ppc64_init(void)
{
	unsigned long i;
	struct proc_dir_entry *ent = NULL;
	char buf[256];

	printk("proc_ppc64: Creating /proc/ppc64/pmc\n");

	/*
	 * Create the root, system, and cpu directories as follows:
	 *   /proc/ppc64/pmc/system 
	 *   /proc/ppc64/pmc/cpu0 
	 */
	spin_lock(&proc_ppc64_lock);
	proc_ppc64_root = proc_mkdir("ppc64", 0);
	if (!proc_ppc64_root) return;
	spin_unlock(&proc_ppc64_lock);

	/* /proc/ppc64/naca -- raw naca contents.  Only readable to root */
	create_proc_read_entry("naca", S_IRUSR, proc_ppc64_root, proc_ppc64_page_read, naca);
	/* /proc/ppc64/paca/XX -- raw paca contents.  Only readable to root */
	ent = proc_mkdir("paca", proc_ppc64_root);
	if (ent) {
		for (i = 0; i < naca->processorCount; i++)
			proc_ppc64_create_paca(i, ent);
	}

	/* Create the /proc/ppc64/pcifr for the Pci Flight Recorder.	 */
	proc_pciFr_init(proc_ppc64_root);

	proc_ppc64_pmc_root = proc_mkdir("pmc", proc_ppc64_root);

	proc_ppc64_pmc_system_root = proc_mkdir("system", proc_ppc64_pmc_root);
	for (i = 0; i < naca->processorCount; i++) {
		sprintf(buf, "cpu%ld", i); 
		proc_ppc64_pmc_cpu_root[i] = proc_mkdir(buf, proc_ppc64_pmc_root);
	}


	/* Create directories for the software counters. */
	for (i = 0; i < naca->processorCount; i++) {
		ent = create_proc_entry("stab", S_IRUGO | S_IWUSR, 
					proc_ppc64_pmc_cpu_root[i]);
		if (ent) {
			ent->nlink = 1;
			ent->data = (void *)proc_ppc64_pmc_cpu_root[i];
			ent->read_proc = (void *)proc_ppc64_pmc_stab_read;
			ent->write_proc = (void *)proc_ppc64_pmc_stab_read;
		}

		ent = create_proc_entry("htab", S_IRUGO | S_IWUSR, 
					proc_ppc64_pmc_cpu_root[i]);
		if (ent) {
			ent->nlink = 1;
			ent->data = (void *)proc_ppc64_pmc_cpu_root[i];
			ent->read_proc = (void *)proc_ppc64_pmc_htab_read;
			ent->write_proc = (void *)proc_ppc64_pmc_htab_read;
		}
	}

	ent = create_proc_entry("stab", S_IRUGO | S_IWUSR, 
				proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->data = (void *)proc_ppc64_pmc_system_root;
		ent->read_proc = (void *)proc_ppc64_pmc_stab_read;
		ent->write_proc = (void *)proc_ppc64_pmc_stab_read;
	}

	ent = create_proc_entry("htab", S_IRUGO | S_IWUSR, 
				proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->data = (void *)proc_ppc64_pmc_system_root;
		ent->read_proc = (void *)proc_ppc64_pmc_htab_read;
		ent->write_proc = (void *)proc_ppc64_pmc_htab_read;
	}

	/* Create directories for the hardware counters. */
	for (i = 0; i < naca->processorCount; i++) {
		ent = create_proc_entry("hardware", S_IRUGO | S_IWUSR, 
					proc_ppc64_pmc_cpu_root[i]);
		if (ent) {
			ent->nlink = 1;
			ent->data = (void *)proc_ppc64_pmc_cpu_root[i];
			ent->read_proc = (void *)proc_ppc64_pmc_hw_read;
			ent->write_proc = (void *)proc_ppc64_pmc_hw_read;
		}
	}

	ent = create_proc_entry("hardware", S_IRUGO | S_IWUSR, 
				proc_ppc64_pmc_system_root);
	if (ent) {
		ent->nlink = 1;
		ent->data = (void *)proc_ppc64_pmc_system_root;
		ent->read_proc = (void *)proc_ppc64_pmc_hw_read;
		ent->write_proc = (void *)proc_ppc64_pmc_hw_read;
	}
}