[PATCH] 8139cp: add ethtool eeprom support

[linux-2.6] / drivers / pci / pci-sysfs.c

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 56a3b397efee217736b1ce54d6f7621619cb04f4..bc405c035ce34b4ae00d54a61286782e31416125 100644 (file)
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -43,6 +43,29 @@ pci_config_attr(subsystem_vendor, "0x%04x\n");
 pci_config_attr(subsystem_device, "0x%04x\n");
 pci_config_attr(class, "0x%06x\n");
 pci_config_attr(irq, "%u\n");
+pci_config_attr(is_enabled, "%u\n");
+
+static ssize_t broken_parity_status_show(struct device *dev,
+                                        struct device_attribute *attr,
+                                        char *buf)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+       return sprintf (buf, "%u\n", pdev->broken_parity_status);
+}
+
+static ssize_t broken_parity_status_store(struct device *dev,
+                                         struct device_attribute *attr,
+                                         const char *buf, size_t count)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+       ssize_t consumed = -EINVAL;
+
+       if ((count > 0) && (*buf == '0' || *buf == '1')) {
+               pdev->broken_parity_status = *buf == '1' ? 1 : 0;
+               consumed = count;
+       }
+       return consumed;
+}
 
 static ssize_t local_cpus_show(struct device *dev,
                        struct device_attribute *attr, char *buf)
@@ -90,6 +113,25 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
                       (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8),
                       (u8)(pci_dev->class));
 }
+static ssize_t
+is_enabled_store(struct device *dev, struct device_attribute *attr,
+               const char *buf, size_t count)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+
+       /* this can crash the machine when done on the "wrong" device */
+       if (!capable(CAP_SYS_ADMIN))
+               return count;
+
+       if (*buf == '0')
+               pci_disable_device(pdev);
+
+       if (*buf == '1')
+               pci_enable_device(pdev);
+
+       return count;
+}
+
 
 struct device_attribute pci_dev_attrs[] = {
        __ATTR_RO(resource),
@@ -101,6 +143,9 @@ struct device_attribute pci_dev_attrs[] = {
        __ATTR_RO(irq),
        __ATTR_RO(local_cpus),
        __ATTR_RO(modalias),
+       __ATTR(enable, 0600, is_enabled_show, is_enabled_store),
+       __ATTR(broken_parity_status,(S_IRUGO|S_IWUSR),
+               broken_parity_status_show,broken_parity_status_store),
        __ATTR_NULL,
 };
 
@@ -130,7 +175,7 @@ pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
 
        if ((off & 1) && size) {
                u8 val;
-               pci_read_config_byte(dev, off, &val);
+               pci_user_read_config_byte(dev, off, &val);
                data[off - init_off] = val;
                off++;
                size--;
@@ -138,7 +183,7 @@ pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
 
        if ((off & 3) && size > 2) {
                u16 val;
-               pci_read_config_word(dev, off, &val);
+               pci_user_read_config_word(dev, off, &val);
                data[off - init_off] = val & 0xff;
                data[off - init_off + 1] = (val >> 8) & 0xff;
                off += 2;
@@ -147,7 +192,7 @@ pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
 
        while (size > 3) {
                u32 val;
-               pci_read_config_dword(dev, off, &val);
+               pci_user_read_config_dword(dev, off, &val);
                data[off - init_off] = val & 0xff;
                data[off - init_off + 1] = (val >> 8) & 0xff;
                data[off - init_off + 2] = (val >> 16) & 0xff;
@@ -158,7 +203,7 @@ pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
 
        if (size >= 2) {
                u16 val;
-               pci_read_config_word(dev, off, &val);
+               pci_user_read_config_word(dev, off, &val);
                data[off - init_off] = val & 0xff;
                data[off - init_off + 1] = (val >> 8) & 0xff;
                off += 2;
@@ -167,7 +212,7 @@ pci_read_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
 
        if (size > 0) {
                u8 val;
-               pci_read_config_byte(dev, off, &val);
+               pci_user_read_config_byte(dev, off, &val);
                data[off - init_off] = val;
                off++;
                --size;
@@ -192,7 +237,7 @@ pci_write_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
        }
        
        if ((off & 1) && size) {
-               pci_write_config_byte(dev, off, data[off - init_off]);
+               pci_user_write_config_byte(dev, off, data[off - init_off]);
                off++;
                size--;
        }
@@ -200,7 +245,7 @@ pci_write_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
        if ((off & 3) && size > 2) {
                u16 val = data[off - init_off];
                val |= (u16) data[off - init_off + 1] << 8;
-                pci_write_config_word(dev, off, val);
+                pci_user_write_config_word(dev, off, val);
                 off += 2;
                 size -= 2;
         }
@@ -210,7 +255,7 @@ pci_write_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
                val |= (u32) data[off - init_off + 1] << 8;
                val |= (u32) data[off - init_off + 2] << 16;
                val |= (u32) data[off - init_off + 3] << 24;
-               pci_write_config_dword(dev, off, val);
+               pci_user_write_config_dword(dev, off, val);
                off += 4;
                size -= 4;
        }
@@ -218,13 +263,13 @@ pci_write_config(struct kobject *kobj, char *buf, loff_t off, size_t count)
        if (size >= 2) {
                u16 val = data[off - init_off];
                val |= (u16) data[off - init_off + 1] << 8;
-               pci_write_config_word(dev, off, val);
+               pci_user_write_config_word(dev, off, val);
                off += 2;
                size -= 2;
        }
 
        if (size) {
-               pci_write_config_byte(dev, off, data[off - init_off]);
+               pci_user_write_config_byte(dev, off, data[off - init_off]);
                off++;
                --size;
        }
@@ -360,7 +405,7 @@ pci_create_resource_files(struct pci_dev *pdev)
                        continue;
 
                /* allocate attribute structure, piggyback attribute name */
-               res_attr = kcalloc(1, sizeof(*res_attr) + 10, GFP_ATOMIC);
+               res_attr = kzalloc(sizeof(*res_attr) + 10, GFP_ATOMIC);
                if (res_attr) {
                        char *res_attr_name = (char *)(res_attr + 1);
 
@@ -501,9 +546,8 @@ int pci_create_sysfs_dev_files (struct pci_dev *pdev)
        if (pci_resource_len(pdev, PCI_ROM_RESOURCE)) {
                struct bin_attribute *rom_attr;
                
-               rom_attr = kmalloc(sizeof(*rom_attr), GFP_ATOMIC);
+               rom_attr = kzalloc(sizeof(*rom_attr), GFP_ATOMIC);
                if (rom_attr) {
-                       memset(rom_attr, 0x00, sizeof(*rom_attr));
                        pdev->rom_attr = rom_attr;
                        rom_attr->size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
                        rom_attr->attr.name = "rom";