X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpci%2Fproc.c;h=4a6760a3b31f23a38ad80e4d2a0f3813bc7c5a78;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=fd3c6082e61f0cf641dd73255b7310577c02626e;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index fd3c6082e..4a6760a3b 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -15,6 +15,7 @@
 
 #include <asm/uaccess.h>
 #include <asm/byteorder.h>
+#include "pci.h"
 
 static int proc_initialized;	/* = 0 */
 
@@ -22,9 +23,9 @@ static loff_t
 proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 {
 	loff_t new = -1;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file->f_path.dentry->d_inode;
 
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 	switch (whence) {
 	case 0:
 		new = off;
@@ -40,14 +41,14 @@ proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 		new = -EINVAL;
 	else
 		file->f_pos = new;
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	return new;
 }
 
 static ssize_t
 proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
 {
-	const struct inode *ino = file->f_dentry->d_inode;
+	const struct inode *ino = file->f_path.dentry->d_inode;
 	const struct proc_dir_entry *dp = PDE(ino);
 	struct pci_dev *dev = dp->data;
 	unsigned int pos = *ppos;
@@ -79,7 +80,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 
 	if ((pos & 1) && cnt) {
 		unsigned char val;
-		pci_read_config_byte(dev, pos, &val);
+		pci_user_read_config_byte(dev, pos, &val);
 		__put_user(val, buf);
 		buf++;
 		pos++;
@@ -88,8 +89,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 
 	if ((pos & 3) && cnt > 2) {
 		unsigned short val;
-		pci_read_config_word(dev, pos, &val);
-		__put_user(cpu_to_le16(val), (unsigned short *) buf);
+		pci_user_read_config_word(dev, pos, &val);
+		__put_user(cpu_to_le16(val), (unsigned short __user *) buf);
 		buf += 2;
 		pos += 2;
 		cnt -= 2;
@@ -97,8 +98,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 
 	while (cnt >= 4) {
 		unsigned int val;
-		pci_read_config_dword(dev, pos, &val);
-		__put_user(cpu_to_le32(val), (unsigned int *) buf);
+		pci_user_read_config_dword(dev, pos, &val);
+		__put_user(cpu_to_le32(val), (unsigned int __user *) buf);
 		buf += 4;
 		pos += 4;
 		cnt -= 4;
@@ -106,8 +107,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 
 	if (cnt >= 2) {
 		unsigned short val;
-		pci_read_config_word(dev, pos, &val);
-		__put_user(cpu_to_le16(val), (unsigned short *) buf);
+		pci_user_read_config_word(dev, pos, &val);
+		__put_user(cpu_to_le16(val), (unsigned short __user *) buf);
 		buf += 2;
 		pos += 2;
 		cnt -= 2;
@@ -115,7 +116,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 
 	if (cnt) {
 		unsigned char val;
-		pci_read_config_byte(dev, pos, &val);
+		pci_user_read_config_byte(dev, pos, &val);
 		__put_user(val, buf);
 		buf++;
 		pos++;
@@ -129,7 +130,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 static ssize_t
 proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, loff_t *ppos)
 {
-	const struct inode *ino = file->f_dentry->d_inode;
+	const struct inode *ino = file->f_path.dentry->d_inode;
 	const struct proc_dir_entry *dp = PDE(ino);
 	struct pci_dev *dev = dp->data;
 	int pos = *ppos;
@@ -150,7 +151,7 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
 	if ((pos & 1) && cnt) {
 		unsigned char val;
 		__get_user(val, buf);
-		pci_write_config_byte(dev, pos, val);
+		pci_user_write_config_byte(dev, pos, val);
 		buf++;
 		pos++;
 		cnt--;
@@ -158,8 +159,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
 
 	if ((pos & 3) && cnt > 2) {
 		unsigned short val;
-		__get_user(val, (unsigned short *) buf);
-		pci_write_config_word(dev, pos, le16_to_cpu(val));
+		__get_user(val, (unsigned short __user *) buf);
+		pci_user_write_config_word(dev, pos, le16_to_cpu(val));
 		buf += 2;
 		pos += 2;
 		cnt -= 2;
@@ -167,8 +168,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
 
 	while (cnt >= 4) {
 		unsigned int val;
-		__get_user(val, (unsigned int *) buf);
-		pci_write_config_dword(dev, pos, le32_to_cpu(val));
+		__get_user(val, (unsigned int __user *) buf);
+		pci_user_write_config_dword(dev, pos, le32_to_cpu(val));
 		buf += 4;
 		pos += 4;
 		cnt -= 4;
@@ -176,8 +177,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
 
 	if (cnt >= 2) {
 		unsigned short val;
-		__get_user(val, (unsigned short *) buf);
-		pci_write_config_word(dev, pos, le16_to_cpu(val));
+		__get_user(val, (unsigned short __user *) buf);
+		pci_user_write_config_word(dev, pos, le16_to_cpu(val));
 		buf += 2;
 		pos += 2;
 		cnt -= 2;
@@ -186,7 +187,7 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
 	if (cnt) {
 		unsigned char val;
 		__get_user(val, buf);
-		pci_write_config_byte(dev, pos, val);
+		pci_user_write_config_byte(dev, pos, val);
 		buf++;
 		pos++;
 		cnt--;
@@ -244,7 +245,7 @@ static int proc_bus_pci_ioctl(struct inode *inode, struct file *file, unsigned i
 #ifdef HAVE_PCI_MMAP
 static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file->f_path.dentry->d_inode;
 	const struct proc_dir_entry *dp = PDE(inode);
 	struct pci_dev *dev = dp->data;
 	struct pci_filp_private *fpriv = file->private_data;
@@ -301,25 +302,16 @@ static struct file_operations proc_bus_pci_operations = {
 #endif /* HAVE_PCI_MMAP */
 };
 
-#if BITS_PER_LONG == 32
-#define LONG_FORMAT "\t%08lx"
-#else
-#define LONG_FORMAT "\t%16lx"
-#endif
-
 /* iterator */
 static void *pci_seq_start(struct seq_file *m, loff_t *pos)
 {
 	struct pci_dev *dev = NULL;
 	loff_t n = *pos;
 
-	dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
-	while (n--) {
-		dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
-		if (dev == NULL)
-			goto exit;
+	for_each_pci_dev(dev) {
+		if (!n--)
+			break;
 	}
-exit:
 	return dev;
 }
 
@@ -357,14 +349,20 @@ static int show_device(struct seq_file *m, void *v)
 			dev->device,
 			dev->irq);
 	/* Here should be 7 and not PCI_NUM_RESOURCES as we need to preserve compatibility */
-	for(i=0; i<7; i++)
-		seq_printf(m, LONG_FORMAT,
-			dev->resource[i].start |
-			(dev->resource[i].flags & PCI_REGION_FLAG_MASK));
-	for(i=0; i<7; i++)
-		seq_printf(m, LONG_FORMAT,
+	for (i=0; i<7; i++) {
+		resource_size_t start, end;
+		pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
+		seq_printf(m, "\t%16llx",
+			(unsigned long long)(start |
+			(dev->resource[i].flags & PCI_REGION_FLAG_MASK)));
+	}
+	for (i=0; i<7; i++) {
+		resource_size_t start, end;
+		pci_resource_to_user(dev, i, &dev->resource[i], &start, &end);
+		seq_printf(m, "\t%16llx",
 			dev->resource[i].start < dev->resource[i].end ?
-			dev->resource[i].end - dev->resource[i].start + 1 : 0);
+			(unsigned long long)(end - start) + 1 : 0);
+	}
 	seq_putc(m, '\t');
 	if (drv)
 		seq_printf(m, "%s", drv->name);
@@ -379,31 +377,37 @@ static struct seq_operations proc_bus_pci_devices_op = {
 	.show	= show_device
 };
 
-struct proc_dir_entry *proc_bus_pci_dir;
+static struct proc_dir_entry *proc_bus_pci_dir;
 
 int pci_proc_attach_device(struct pci_dev *dev)
 {
 	struct pci_bus *bus = dev->bus;
-	struct proc_dir_entry *de, *e;
+	struct proc_dir_entry *e;
 	char name[16];
 
 	if (!proc_initialized)
 		return -EACCES;
 
-	if (!(de = bus->procdir)) {
-		if (pci_name_bus(name, bus))
-			return -EEXIST;
-		de = bus->procdir = proc_mkdir(name, proc_bus_pci_dir);
-		if (!de)
+	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 = dev->procent = create_proc_entry(name, S_IFREG | S_IRUGO | S_IWUSR, de);
+	e = create_proc_entry(name, S_IFREG | S_IRUGO | S_IWUSR, bus->procdir);
 	if (!e)
 		return -ENOMEM;
 	e->proc_fops = &proc_bus_pci_operations;
 	e->data = dev;
 	e->size = dev->cfg_size;
+	dev->procent = e;
 
 	return 0;
 }
@@ -421,6 +425,7 @@ int pci_proc_detach_device(struct pci_dev *dev)
 	return 0;
 }
 
+#if 0
 int pci_proc_attach_bus(struct pci_bus* bus)
 {
 	struct proc_dir_entry *de = bus->procdir;
@@ -437,6 +442,7 @@ int pci_proc_attach_bus(struct pci_bus* bus)
 	}
 	return 0;
 }
+#endif  /*  0  */
 
 int pci_proc_detach_bus(struct pci_bus* bus)
 {
@@ -446,139 +452,6 @@ int pci_proc_detach_bus(struct pci_bus* bus)
 	return 0;
 }
 
-#ifdef CONFIG_PCI_LEGACY_PROC
-
-/*
- *  Backward compatible /proc/pci interface.
- */
-
-/*
- * Convert some of the configuration space registers of the device at
- * address (bus,devfn) into a string (possibly several lines each).
- * The configuration string is stored starting at buf[len].  If the
- * string would exceed the size of the buffer (SIZE), 0 is returned.
- */
-static int show_dev_config(struct seq_file *m, void *v)
-{
-	struct pci_dev *dev = v;
-	struct pci_dev *first_dev;
-	struct pci_driver *drv;
-	u32 class_rev;
-	unsigned char latency, min_gnt, max_lat, *class;
-	int reg;
-
-	first_dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
-	if (dev == first_dev)
-		seq_puts(m, "PCI devices found:\n");
-	pci_dev_put(first_dev);
-
-	drv = pci_dev_driver(dev);
-
-	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-	pci_read_config_byte (dev, PCI_LATENCY_TIMER, &latency);
-	pci_read_config_byte (dev, PCI_MIN_GNT, &min_gnt);
-	pci_read_config_byte (dev, PCI_MAX_LAT, &max_lat);
-	seq_printf(m, "  Bus %2d, device %3d, function %2d:\n",
-	       dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
-	class = pci_class_name(class_rev >> 16);
-	if (class)
-		seq_printf(m, "    %s", class);
-	else
-		seq_printf(m, "    Class %04x", class_rev >> 16);
-#ifdef CONFIG_PCI_NAMES
-	seq_printf(m, ": %s", dev->pretty_name);
-#else
-	seq_printf(m, ": PCI device %04x:%04x", dev->vendor, dev->device);
-#endif
-	seq_printf(m, " (rev %d).\n", class_rev & 0xff);
-
-	if (dev->irq)
-		seq_printf(m, "      IRQ %d.\n", dev->irq);
-
-	if (latency || min_gnt || max_lat) {
-		seq_printf(m, "      Master Capable.  ");
-		if (latency)
-			seq_printf(m, "Latency=%d.  ", latency);
-		else
-			seq_puts(m, "No bursts.  ");
-		if (min_gnt)
-			seq_printf(m, "Min Gnt=%d.", min_gnt);
-		if (max_lat)
-			seq_printf(m, "Max Lat=%d.", max_lat);
-		seq_putc(m, '\n');
-	}
-
-	for (reg = 0; reg < 6; reg++) {
-		struct resource *res = dev->resource + reg;
-		unsigned long base, end, flags;
-
-		base = res->start;
-		end = res->end;
-		flags = res->flags;
-		if (!end)
-			continue;
-
-		if (flags & PCI_BASE_ADDRESS_SPACE_IO) {
-			seq_printf(m, "      I/O at 0x%lx [0x%lx].\n",
-				base, end);
-		} else {
-			const char *pref, *type = "unknown";
-
-			if (flags & PCI_BASE_ADDRESS_MEM_PREFETCH)
-				pref = "P";
-			else
-				pref = "Non-p";
-			switch (flags & PCI_BASE_ADDRESS_MEM_TYPE_MASK) {
-			      case PCI_BASE_ADDRESS_MEM_TYPE_32:
-				type = "32 bit"; break;
-			      case PCI_BASE_ADDRESS_MEM_TYPE_1M:
-				type = "20 bit"; break;
-			      case PCI_BASE_ADDRESS_MEM_TYPE_64:
-				type = "64 bit"; break;
-			}
-			seq_printf(m, "      %srefetchable %s memory at "
-				       "0x%lx [0x%lx].\n", pref, type,
-				       base,
-				       end);
-		}
-	}
-	return 0;
-}
-
-static struct seq_operations proc_pci_op = {
-	.start	= pci_seq_start,
-	.next	= pci_seq_next,
-	.stop	= pci_seq_stop,
-	.show	= show_dev_config
-};
-
-static int proc_pci_open(struct inode *inode, struct file *file)
-{
-	return seq_open(file, &proc_pci_op);
-}
-static struct file_operations proc_pci_operations = {
-	.open		= proc_pci_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= seq_release,
-};
-
-static void legacy_proc_init(void)
-{
-	struct proc_dir_entry * entry = create_proc_entry("pci", 0, NULL);
-	if (entry)
-		entry->proc_fops = &proc_pci_operations;
-}
-
-#else
-
-static void legacy_proc_init(void)
-{
-
-}
-
-#endif /* CONFIG_PCI_LEGACY_PROC */
-
 static int proc_bus_pci_dev_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &proc_bus_pci_devices_op);
@@ -599,10 +472,9 @@ static int __init pci_proc_init(void)
 	if (entry)
 		entry->proc_fops = &proc_bus_pci_dev_operations;
 	proc_initialized = 1;
-	while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+	while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
 		pci_proc_attach_device(dev);
 	}
-	legacy_proc_init();
 	return 0;
 }
 
@@ -610,8 +482,6 @@ __initcall(pci_proc_init);
 
 #ifdef CONFIG_HOTPLUG
 EXPORT_SYMBOL(pci_proc_attach_device);
-EXPORT_SYMBOL(pci_proc_attach_bus);
 EXPORT_SYMBOL(pci_proc_detach_bus);
-EXPORT_SYMBOL(proc_bus_pci_dir);
 #endif