#include <linux/list.h>
#include <linux/compiler.h>
#include <linux/errno.h>
+#include <asm/atomic.h>
#include <linux/device.h>
/* File state for mmap()s on /proc/bus/pci/X/Y */
unsigned int transparent:1; /* Transparent PCI bridge */
unsigned int multifunction:1;/* Part of multi-function device */
/* keep track of device state */
- unsigned int is_enabled:1; /* pci_enable_device has been called */
unsigned int is_busmaster:1; /* device is busmaster */
unsigned int no_msi:1; /* device may not use msi */
unsigned int no_d1d2:1; /* only allow d0 or d3 */
unsigned int broken_parity_status:1; /* Device generates false positive parity */
unsigned int msi_enabled:1;
unsigned int msix_enabled:1;
+ atomic_t enable_cnt; /* pci_enable_device has been called */
u32 saved_config_space[16]; /* config space saved at suspend time */
struct hlist_head saved_cap_space;
extern void pci_remove_bus_device(struct pci_dev *dev);
extern void pci_stop_bus_device(struct pci_dev *dev);
void pci_setup_cardbus(struct pci_bus *bus);
+extern void pci_sort_breadthfirst(void);
/* Generic PCI functions exported to card drivers */
int pci_find_capability (struct pci_dev *dev, int cap);
int pci_find_next_capability (struct pci_dev *dev, u8 pos, int cap);
int pci_find_ext_capability (struct pci_dev *dev, int cap);
-struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
+struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
+
+struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
+ struct pci_dev *from);
+struct pci_dev *pci_get_device_reverse(unsigned int vendor, unsigned int device,
+ struct pci_dev *from);
-struct pci_dev *pci_get_device (unsigned int vendor, unsigned int device, struct pci_dev *from);
struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device,
unsigned int ss_vendor, unsigned int ss_device,
struct pci_dev *from);
struct pci_dev *pci_get_slot (struct pci_bus *bus, unsigned int devfn);
+struct pci_dev *pci_get_bus_and_slot (unsigned int bus, unsigned int devfn);
struct pci_dev *pci_get_class (unsigned int class, struct pci_dev *from);
int pci_dev_present(const struct pci_device_id *ids);
u16 entry; /* driver uses to specify entry, OS writes */
};
-struct msi_msg {
- u32 address_lo; /* low 32 bits of msi message address */
- u32 address_hi; /* high 32 bits of msi message address */
- u32 data; /* 16 bits of msi message data */
-};
#ifndef CONFIG_PCI_MSI
static inline void pci_scan_msi_device(struct pci_dev *dev) {}
struct msix_entry *entries, int nvec);
extern void pci_disable_msix(struct pci_dev *dev);
extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
-
-/*
- * MSI operation vector. Used by the msi core code (drivers/pci/msi.c)
- * to abstract platform-specific tasks relating to MSI address generation
- * and resource management.
- */
-struct msi_ops {
- int needs_64bit_address;
- /**
- * setup - generate an MSI bus address and data for a given vector
- * @pdev: PCI device context (in)
- * @irq: irq allocated by the msi core (in)
- * @msg: PCI bus address and data for msi message (out)
- *
- * Description: The setup op is used to generate a PCI bus addres and
- * data which the msi core will program into the card MSI capability
- * registers. The setup routine is responsible for picking an initial
- * cpu to target the MSI at. The setup routine is responsible for
- * examining pdev to determine the MSI capabilities of the card and
- * generating a suitable address/data. The setup routine is
- * responsible for allocating and tracking any system resources it
- * needs to route the MSI to the cpu it picks, and for associating
- * those resources with the passed in vector.
- *
- * Returns 0 if the MSI address/data was successfully setup.
- **/
-
- int (*setup) (struct pci_dev *pdev, unsigned int irq,
- struct msi_msg *msg);
-
- /**
- * teardown - release resources allocated by setup
- * @vector: vector context for resources (in)
- *
- * Description: The teardown op is used to release any resources
- * that were allocated in the setup routine associated with the passed
- * in vector.
- **/
-
- void (*teardown) (unsigned int irq);
-
- /**
- * target - retarget an MSI at a different cpu
- * @vector: vector context for resources (in)
- * @cpu: new cpu to direct vector at (in)
- * @addr_hi: new value of PCI bus upper 32 bits (in/out)
- * @addr_lo: new value of PCI bus lower 32 bits (in/out)
- *
- * Description: The target op is used to redirect an MSI vector
- * at a different cpu. addr_hi/addr_lo coming in are the existing
- * values that the MSI core has programmed into the card. The
- * target code is responsible for freeing any resources (if any)
- * associated with the old address, and generating a new PCI bus
- * addr_hi/addr_lo that will redirect the vector at the indicated cpu.
- **/
-
- void (*target) (unsigned int irq, cpumask_t cpumask,
- struct msi_msg *msg);
-};
-
-extern int msi_register(struct msi_ops *ops);
-
#endif
+#ifdef CONFIG_HT_IRQ
+/* The functions a driver should call */
+int ht_create_irq(struct pci_dev *dev, int idx);
+void ht_destroy_irq(unsigned int irq);
+#endif /* CONFIG_HT_IRQ */
+
extern void pci_block_user_cfg_access(struct pci_dev *dev);
extern void pci_unblock_user_cfg_access(struct pci_dev *dev);
static inline struct pci_dev *pci_find_slot(unsigned int bus, unsigned int devfn)
{ return NULL; }
-static inline struct pci_dev *pci_get_device (unsigned int vendor, unsigned int device, struct pci_dev *from)
+static inline struct pci_dev *pci_get_device(unsigned int vendor,
+ unsigned int device, struct pci_dev *from)
+{ return NULL; }
+
+static inline struct pci_dev *pci_get_device_reverse(unsigned int vendor,
+ unsigned int device, struct pci_dev *from)
{ return NULL; }
static inline struct pci_dev *pci_get_subsys (unsigned int vendor, unsigned int device,
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