linux sysfs: Fix read-write access in map_legacy

[android-x86/external-libpciaccess.git] / src / pciaccess_private.h

diff --git a/src/pciaccess_private.h b/src/pciaccess_private.h
index b23e589..1653b8b 100644 (file)
--- a/src/pciaccess_private.h
+++ b/src/pciaccess_private.h
@@ -25,21 +25,33 @@
 /**
  * \file pciaccess_private.h
  * Functions and datastructures that are private to the pciaccess library.
- * 
+ *
  * \author Ian Romanick <idr@us.ibm.com>
  */
 
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+# define _pci_hidden      __attribute__((visibility("hidden")))
+#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
+# define _pci_hidden      __hidden
+#else /* not gcc >= 4 and not Sun Studio >= 8 */
+# define _pci_hidden
+#endif /* GNUC >= 4 */
+
+struct pci_device_mapping;
 
 int pci_fill_capabilities_generic( struct pci_device * dev );
+int pci_device_generic_unmap_range(struct pci_device *dev,
+    struct pci_device_mapping *map);
 
 struct pci_system_methods {
     void (*destroy)( void );
     void (*destroy_device)( struct pci_device * dev );
-    int (*read_rom)( struct pci_device * dev, void * buffer );    
+    int (*read_rom)( struct pci_device * dev, void * buffer );
     int (*probe)( struct pci_device * dev );
-    int (*map)( struct pci_device * dev, unsigned region, int write_enable );
-    int (*unmap)( struct pci_device * dev, unsigned region );
-    
+    int (*map_range)(struct pci_device *dev, struct pci_device_mapping *map);
+    int (*unmap_range)(struct pci_device * dev,
+                      struct pci_device_mapping *map);
+
     int (*read)(struct pci_device * dev, void * data, pciaddr_t offset,
                pciaddr_t size, pciaddr_t * bytes_read );
 
@@ -47,12 +59,48 @@ struct pci_system_methods {
                pciaddr_t size, pciaddr_t * bytes_written );
 
     int (*fill_capabilities)( struct pci_device * dev );
+    void (*enable)( struct pci_device *dev );
+    int (*boot_vga)( struct pci_device *dev );
+    int (*has_kernel_driver)( struct pci_device *dev );
+    struct pci_io_handle *(*open_device_io)( struct pci_io_handle *handle,
+                                            struct pci_device *dev, int bar,
+                                            pciaddr_t base, pciaddr_t size );
+    struct pci_io_handle *(*open_legacy_io)( struct pci_io_handle *handle,
+                                            struct pci_device *dev,
+                                            pciaddr_t base, pciaddr_t size );
+    void (*close_io)( struct pci_device *dev, struct pci_io_handle *handle );
+    uint32_t (*read32)( struct pci_io_handle *handle, uint32_t reg );
+    uint16_t (*read16)( struct pci_io_handle *handle, uint32_t reg );
+    uint8_t  (*read8)( struct pci_io_handle *handle, uint32_t reg );
+    void (*write32)( struct pci_io_handle *handle, uint32_t reg,
+                    uint32_t data );
+    void (*write16)( struct pci_io_handle *handle, uint32_t reg,
+                    uint16_t data );
+    void (*write8)( struct pci_io_handle *handle, uint32_t reg, uint8_t data );
+
+    int (*map_legacy)(struct pci_device *dev, pciaddr_t base, pciaddr_t size,
+                     unsigned map_flags, void **addr);
+    int (*unmap_legacy)(struct pci_device *dev, void *addr, pciaddr_t size);
+};
+
+struct pci_device_mapping {
+    pciaddr_t base;
+    pciaddr_t size;
+    unsigned region;
+    unsigned flags;
+    void *memory;
+};
+
+struct pci_io_handle {
+    pciaddr_t base;
+    pciaddr_t size;
+    int fd;
 };
 
 struct pci_device_private {
     struct pci_device  base;
     const char * device_string;
-    
+
     uint8_t header_type;
 
     /**
@@ -61,7 +109,12 @@ struct pci_device_private {
     /*@{*/
     const struct pci_agp_info * agp;   /**< AGP capability information. */
     /*@}*/
-    
+
+    /**
+     * Base address of the device's expansion ROM.
+     */
+    pciaddr_t rom_base;
+
     /**
      * \name Bridge information.
      */
@@ -71,7 +124,14 @@ struct pci_device_private {
        struct pci_pcmcia_bridge_info * pcmcia;
     } bridge;
     /*@}*/
-    
+
+    /**
+     * \name Mappings active on this device.
+     */
+    /*@{*/
+    struct pci_device_mapping *mappings;
+    unsigned num_mappings;
+    /*@}*/
 };
 
 
@@ -93,9 +153,23 @@ struct pci_system {
      * Array of known devices.
      */
     struct pci_device_private * devices;
+
+#ifdef HAVE_MTRR
+    int mtrr_fd;
+#endif
+    int vgaarb_fd;
+    int vga_count;
+    struct pci_device *vga_target;
+    struct pci_device *vga_default_dev;
 };
 
 extern struct pci_system * pci_sys;
 
 extern int pci_system_linux_sysfs_create( void );
 extern int pci_system_freebsd_create( void );
+extern int pci_system_netbsd_create( void );
+extern int pci_system_openbsd_create( void );
+extern void pci_system_openbsd_init_dev_mem( int );
+extern int pci_system_solx_devfs_create( void );
+extern int pci_system_x86_create( void );
+extern void pci_io_cleanup( void );