#include <linux/slab.h>
#include <linux/vgaarb.h>
#include <linux/pm_runtime.h>
+#include <linux/of.h>
#include "pci.h"
static int sysfs_initialized; /* = 0 */
{ \
struct pci_dev *pdev; \
\
- pdev = to_pci_dev (dev); \
- return sprintf (buf, format_string, pdev->field); \
+ pdev = to_pci_dev(dev); \
+ return sprintf(buf, format_string, pdev->field); \
} \
static DEVICE_ATTR_RO(field)
char *buf)
{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf (buf, "%u\n", pdev->broken_parity_status);
+ return sprintf(buf, "%u\n", pdev->broken_parity_status);
}
static ssize_t broken_parity_status_store(struct device *dev,
}
static DEVICE_ATTR_RW(broken_parity_status);
-static ssize_t pci_dev_show_local_cpu(struct device *dev,
- int type,
- struct device_attribute *attr,
- char *buf)
+static ssize_t pci_dev_show_local_cpu(struct device *dev, int type,
+ struct device_attribute *attr, char *buf)
{
const struct cpumask *mask;
int len;
}
static ssize_t local_cpus_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
return pci_dev_show_local_cpu(dev, 1, attr, buf);
}
static DEVICE_ATTR_RO(local_cpus);
static ssize_t local_cpulist_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+ struct device_attribute *attr, char *buf)
{
return pci_dev_show_local_cpu(dev, 0, attr, buf);
}
/*
* PCI Bus Class Devices
*/
-static ssize_t pci_bus_show_cpuaffinity(struct device *dev,
- int type,
+static ssize_t pci_bus_show_cpuaffinity(struct device *dev, int type,
struct device_attribute *attr,
char *buf)
{
static DEVICE_ATTR_RO(cpulistaffinity);
/* show resources */
-static ssize_t
-resource_show(struct device * dev, struct device_attribute *attr, char * buf)
+static ssize_t resource_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct pci_dev * pci_dev = to_pci_dev(dev);
- char * str = buf;
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ char *str = buf;
int i;
int max;
resource_size_t start, end;
for (i = 0; i < max; i++) {
struct resource *res = &pci_dev->resource[i];
pci_resource_to_user(pci_dev, i, res, &start, &end);
- str += sprintf(str,"0x%016llx 0x%016llx 0x%016llx\n",
+ str += sprintf(str, "0x%016llx 0x%016llx 0x%016llx\n",
(unsigned long long)start,
(unsigned long long)end,
(unsigned long long)res->flags);
}
static DEVICE_ATTR_RO(resource);
-static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
}
static DEVICE_ATTR_RO(modalias);
-static ssize_t enabled_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t enabled_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct pci_dev *pdev = to_pci_dev(dev);
unsigned long val;
return result < 0 ? result : count;
}
-static ssize_t enabled_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t enabled_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct pci_dev *pdev;
- pdev = to_pci_dev (dev);
- return sprintf (buf, "%u\n", atomic_read(&pdev->enable_cnt));
+ pdev = to_pci_dev(dev);
+ return sprintf(buf, "%u\n", atomic_read(&pdev->enable_cnt));
}
static DEVICE_ATTR_RW(enabled);
#ifdef CONFIG_NUMA
-static ssize_t
-numa_node_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t numa_node_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- return sprintf (buf, "%d\n", dev->numa_node);
+ return sprintf(buf, "%d\n", dev->numa_node);
}
static DEVICE_ATTR_RO(numa_node);
#endif
-static ssize_t
-dma_mask_bits_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t dma_mask_bits_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf (buf, "%d\n", fls64(pdev->dma_mask));
+ return sprintf(buf, "%d\n", fls64(pdev->dma_mask));
}
static DEVICE_ATTR_RO(dma_mask_bits);
-static ssize_t
-consistent_dma_mask_bits_show(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t consistent_dma_mask_bits_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
- return sprintf (buf, "%d\n", fls64(dev->coherent_dma_mask));
+ return sprintf(buf, "%d\n", fls64(dev->coherent_dma_mask));
}
static DEVICE_ATTR_RO(consistent_dma_mask_bits);
-static ssize_t
-msi_bus_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t msi_bus_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct pci_dev *pdev = to_pci_dev(dev);
if (!pdev->subordinate)
return 0;
- return sprintf (buf, "%u\n",
- !(pdev->subordinate->bus_flags & PCI_BUS_FLAGS_NO_MSI));
+ return sprintf(buf, "%u\n",
+ !(pdev->subordinate->bus_flags & PCI_BUS_FLAGS_NO_MSI));
}
-static ssize_t
-msi_bus_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t msi_bus_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct pci_dev *pdev = to_pci_dev(dev);
unsigned long val;
!!val) {
pdev->subordinate->bus_flags ^= PCI_BUS_FLAGS_NO_MSI;
- dev_warn(&pdev->dev, "forced subordinate bus to%s support MSI,"
- " bad things could happen\n", val ? "" : " not");
+ dev_warn(&pdev->dev, "forced subordinate bus to%s support MSI, bad things could happen\n",
+ val ? "" : " not");
}
return count;
NULL,
};
-static ssize_t
-dev_rescan_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t dev_rescan_store(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
unsigned long val;
struct pci_dev *pdev = to_pci_dev(dev);
(S_IWUSR|S_IWGRP),
NULL, dev_rescan_store);
-static ssize_t
-remove_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t remove_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
unsigned long val;
(S_IWUSR|S_IWGRP),
NULL, remove_store);
-static ssize_t
-dev_bus_rescan_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t dev_bus_rescan_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
unsigned long val;
struct pci_bus *bus = to_pci_bus(dev);
struct device_attribute *attr, char *buf)
{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf (buf, "%u\n", pdev->d3cold_allowed);
+ return sprintf(buf, "%u\n", pdev->d3cold_allowed);
}
static DEVICE_ATTR_RW(d3cold_allowed);
#endif
+#ifdef CONFIG_OF
+static ssize_t devspec_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct device_node *np = pci_device_to_OF_node(pdev);
+
+ if (np == NULL || np->full_name == NULL)
+ return 0;
+ return sprintf(buf, "%s", np->full_name);
+}
+static DEVICE_ATTR_RO(devspec);
+#endif
+
#ifdef CONFIG_PCI_IOV
static ssize_t sriov_totalvfs_show(struct device *dev,
struct device_attribute *attr,
sriov_numvfs_show, sriov_numvfs_store);
#endif /* CONFIG_PCI_IOV */
+static ssize_t driver_override_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ char *driver_override, *old = pdev->driver_override, *cp;
+
+ if (count > PATH_MAX)
+ return -EINVAL;
+
+ driver_override = kstrndup(buf, count, GFP_KERNEL);
+ if (!driver_override)
+ return -ENOMEM;
+
+ cp = strchr(driver_override, '\n');
+ if (cp)
+ *cp = '\0';
+
+ if (strlen(driver_override)) {
+ pdev->driver_override = driver_override;
+ } else {
+ kfree(driver_override);
+ pdev->driver_override = NULL;
+ }
+
+ kfree(old);
+
+ return count;
+}
+
+static ssize_t driver_override_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ return sprintf(buf, "%s\n", pdev->driver_override);
+}
+static DEVICE_ATTR_RW(driver_override);
+
static struct attribute *pci_dev_attrs[] = {
&dev_attr_resource.attr,
&dev_attr_vendor.attr,
#if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
&dev_attr_d3cold_allowed.attr,
#endif
+#ifdef CONFIG_OF
+ &dev_attr_devspec.attr,
+#endif
+ &dev_attr_driver_override.attr,
NULL,
};
NULL,
};
-static ssize_t
-boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t boot_vga_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct pci_dev *vga_dev = vga_default_device();
}
static struct device_attribute vga_attr = __ATTR_RO(boot_vga);
-static ssize_t
-pci_read_config(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t pci_read_config(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
- struct pci_dev *dev = to_pci_dev(container_of(kobj,struct device,kobj));
+ struct pci_dev *dev = to_pci_dev(container_of(kobj, struct device,
+ kobj));
unsigned int size = 64;
loff_t init_off = off;
- u8 *data = (u8*) buf;
+ u8 *data = (u8 *) buf;
/* Several chips lock up trying to read undefined config space */
- if (security_capable(filp->f_cred, &init_user_ns, CAP_SYS_ADMIN) == 0) {
+ if (security_capable(filp->f_cred, &init_user_ns, CAP_SYS_ADMIN) == 0)
size = dev->cfg_size;
- } else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) {
+ else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS)
size = 128;
- }
if (off > size)
return 0;
return count;
}
-static ssize_t
-pci_write_config(struct file* filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t pci_write_config(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
- struct pci_dev *dev = to_pci_dev(container_of(kobj,struct device,kobj));
+ struct pci_dev *dev = to_pci_dev(container_of(kobj, struct device,
+ kobj));
unsigned int size = count;
loff_t init_off = off;
- u8 *data = (u8*) buf;
+ u8 *data = (u8 *) buf;
if (off > dev->cfg_size)
return 0;
if ((off & 3) && size > 2) {
u16 val = data[off - init_off];
val |= (u16) data[off - init_off + 1] << 8;
- pci_user_write_config_word(dev, off, val);
- off += 2;
- size -= 2;
- }
+ pci_user_write_config_word(dev, off, val);
+ off += 2;
+ size -= 2;
+ }
while (size > 3) {
u32 val = data[off - init_off];
return count;
}
-static ssize_t
-read_vpd_attr(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t read_vpd_attr(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
struct pci_dev *dev =
to_pci_dev(container_of(kobj, struct device, kobj));
return pci_read_vpd(dev, off, count, buf);
}
-static ssize_t
-write_vpd_attr(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t write_vpd_attr(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
struct pci_dev *dev =
to_pci_dev(container_of(kobj, struct device, kobj));
* Reads 1, 2, or 4 bytes from legacy I/O port space using an arch specific
* callback routine (pci_legacy_read).
*/
-static ssize_t
-pci_read_legacy_io(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t pci_read_legacy_io(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj,
- struct device,
+ struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
kobj));
- /* Only support 1, 2 or 4 byte accesses */
- if (count != 1 && count != 2 && count != 4)
- return -EINVAL;
+ /* Only support 1, 2 or 4 byte accesses */
+ if (count != 1 && count != 2 && count != 4)
+ return -EINVAL;
- return pci_legacy_read(bus, off, (u32 *)buf, count);
+ return pci_legacy_read(bus, off, (u32 *)buf, count);
}
/**
* Writes 1, 2, or 4 bytes from legacy I/O port space using an arch specific
* callback routine (pci_legacy_write).
*/
-static ssize_t
-pci_write_legacy_io(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t pci_write_legacy_io(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj,
- struct device,
+ struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
kobj));
- /* Only support 1, 2 or 4 byte accesses */
- if (count != 1 && count != 2 && count != 4)
- return -EINVAL;
- return pci_legacy_write(bus, off, *(u32 *)buf, count);
+ /* Only support 1, 2 or 4 byte accesses */
+ if (count != 1 && count != 2 && count != 4)
+ return -EINVAL;
+
+ return pci_legacy_write(bus, off, *(u32 *)buf, count);
}
/**
* legacy memory space (first meg of bus space) into application virtual
* memory space.
*/
-static int
-pci_mmap_legacy_mem(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- struct vm_area_struct *vma)
+static int pci_mmap_legacy_mem(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr,
+ struct vm_area_struct *vma)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj,
- struct device,
+ struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
kobj));
- return pci_mmap_legacy_page_range(bus, vma, pci_mmap_mem);
+ return pci_mmap_legacy_page_range(bus, vma, pci_mmap_mem);
}
/**
* legacy IO space (first meg of bus space) into application virtual
* memory space. Returns -ENOSYS if the operation isn't supported
*/
-static int
-pci_mmap_legacy_io(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- struct vm_area_struct *vma)
+static int pci_mmap_legacy_io(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr,
+ struct vm_area_struct *vma)
{
- struct pci_bus *bus = to_pci_bus(container_of(kobj,
- struct device,
+ struct pci_bus *bus = to_pci_bus(container_of(kobj, struct device,
kobj));
- return pci_mmap_legacy_page_range(bus, vma, pci_mmap_io);
+ return pci_mmap_legacy_page_range(bus, vma, pci_mmap_io);
}
/**
*
* Stub implementation. Can be overridden by arch if necessary.
*/
-void __weak
-pci_adjust_legacy_attr(struct pci_bus *b, enum pci_mmap_state mmap_type)
+void __weak pci_adjust_legacy_attr(struct pci_bus *b,
+ enum pci_mmap_state mmap_type)
{
- return;
}
/**
kfree(b->legacy_io);
b->legacy_io = NULL;
kzalloc_err:
- printk(KERN_WARNING "pci: warning: could not create legacy I/O port "
- "and ISA memory resources to sysfs\n");
+ printk(KERN_WARNING "pci: warning: could not create legacy I/O port and ISA memory resources to sysfs\n");
return;
}
*
* Use the regular PCI mapping routines to map a PCI resource into userspace.
*/
-static int
-pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
- struct vm_area_struct *vma, int write_combine)
+static int pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
+ struct vm_area_struct *vma, int write_combine)
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj,
struct device, kobj));
return -ENODEV;
if (!pci_mmap_fits(pdev, i, vma, PCI_MMAP_SYSFS)) {
- WARN(1, "process \"%s\" tried to map 0x%08lx bytes "
- "at page 0x%08lx on %s BAR %d (start 0x%16Lx, size 0x%16Lx)\n",
+ WARN(1, "process \"%s\" tried to map 0x%08lx bytes at page 0x%08lx on %s BAR %d (start 0x%16Lx, size 0x%16Lx)\n",
current->comm, vma->vm_end-vma->vm_start, vma->vm_pgoff,
pci_name(pdev), i,
(u64)pci_resource_start(pdev, i),
return pci_mmap_page_range(pdev, vma, mmap_type, write_combine);
}
-static int
-pci_mmap_resource_uc(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- struct vm_area_struct *vma)
+static int pci_mmap_resource_uc(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr,
+ struct vm_area_struct *vma)
{
return pci_mmap_resource(kobj, attr, vma, 0);
}
-static int
-pci_mmap_resource_wc(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- struct vm_area_struct *vma)
+static int pci_mmap_resource_wc(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr,
+ struct vm_area_struct *vma)
{
return pci_mmap_resource(kobj, attr, vma, 1);
}
-static ssize_t
-pci_resource_io(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count, bool write)
+static ssize_t pci_resource_io(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count, bool write)
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj,
struct device, kobj));
return -EINVAL;
}
-static ssize_t
-pci_read_resource_io(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
+static ssize_t pci_read_resource_io(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
{
return pci_resource_io(filp, kobj, attr, buf, off, count, false);
}
-static ssize_t
-pci_write_resource_io(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
+static ssize_t pci_write_resource_io(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
{
return pci_resource_io(filp, kobj, attr, buf, off, count, true);
}
* If we created resource files for @pdev, remove them from sysfs and
* free their resources.
*/
-static void
-pci_remove_resource_files(struct pci_dev *pdev)
+static void pci_remove_resource_files(struct pci_dev *pdev)
{
int i;
*
* writing anything except 0 enables it
*/
-static ssize_t
-pci_write_rom(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t pci_write_rom(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
* Put @count bytes starting at @off into @buf from the ROM in the PCI
* device corresponding to @kobj.
*/
-static ssize_t
-pci_read_rom(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
- char *buf, loff_t off, size_t count)
+static ssize_t pci_read_rom(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t off, size_t count)
{
struct pci_dev *pdev = to_pci_dev(container_of(kobj, struct device, kobj));
void __iomem *rom;
.write = pci_write_config,
};
-int __weak pcibios_add_platform_entries(struct pci_dev *dev)
-{
- return 0;
-}
-
-static ssize_t reset_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
+static ssize_t reset_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct pci_dev *pdev = to_pci_dev(dev);
unsigned long val;
return retval;
}
-int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
+int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev)
{
int retval;
int rom_size = 0;
pdev->rom_attr = attr;
}
- /* add platform-specific attributes */
- retval = pcibios_add_platform_entries(pdev);
- if (retval)
- goto err_rom_file;
-
/* add sysfs entries for various capabilities */
retval = pci_create_capabilities_sysfs(pdev);
if (retval)
return 0;
}
-
late_initcall(pci_sysfs_init);
static struct attribute *pci_dev_dev_attrs[] = {
};
static umode_t pci_dev_attrs_are_visible(struct kobject *kobj,
- struct attribute *a, int n)
+ struct attribute *a, int n)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct pci_dev *pdev = to_pci_dev(dev);
};
static umode_t pci_dev_hp_attrs_are_visible(struct kobject *kobj,
- struct attribute *a, int n)
+ struct attribute *a, int n)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct pci_dev *pdev = to_pci_dev(dev);
};
static umode_t sriov_attrs_are_visible(struct kobject *kobj,
- struct attribute *a, int n)
+ struct attribute *a, int n)
{
struct device *dev = container_of(kobj, struct device, kobj);
projects / karo-tx-linux.git / blobdiff