* Copyright (C) 1994-2002 Linus Torvalds & authors
*/
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/hdreg.h>
#include <asm/ide.h>
-#ifndef MAX_HWIFS
+#if !defined(MAX_HWIFS) || defined(CONFIG_EMBEDDED)
+#undef MAX_HWIFS
#define MAX_HWIFS CONFIG_IDE_MAX_HWIFS
#endif
struct hd_driveid *id; /* drive model identification info */
struct proc_dir_entry *proc; /* /proc/ide/ directory entry */
struct ide_settings_s *settings;/* /proc/ide/ drive settings */
- char devfs_name[64]; /* devfs crap */
struct hwif_s *hwif; /* actually (ide_hwif_t *) */
u8 waiting_for_dma; /* dma currently in progress */
u8 unmask; /* okay to unmask other irqs */
u8 bswap; /* byte swap data */
+ u8 noflush; /* don't attempt flushes */
u8 dsc_overlap; /* DSC overlap */
u8 nice1; /* give potential excess bandwidth */
u8 init_speed; /* transfer rate set at boot */
u8 pio_speed; /* unused by core, used by some drivers for fallback from DMA */
u8 current_speed; /* current transfer rate set */
+ u8 desired_speed; /* desired transfer rate set */
u8 dn; /* now wide spread use */
u8 wcache; /* status of write cache */
u8 acoustic; /* acoustic management */
unsigned int usage; /* current "open()" count for drive */
unsigned int failures; /* current failure count */
unsigned int max_failures; /* maximum allowed failure count */
+ u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */
u64 capacity64; /* total number of sectors */
int (*ide_dma_on)(ide_drive_t *drive);
int (*ide_dma_off_quietly)(ide_drive_t *drive);
int (*ide_dma_test_irq)(ide_drive_t *drive);
+ void (*ide_dma_clear_irq)(ide_drive_t *drive);
int (*ide_dma_host_on)(ide_drive_t *drive);
int (*ide_dma_host_off)(ide_drive_t *drive);
int (*ide_dma_lostirq)(ide_drive_t *drive);
unsigned long dma_status; /* dma status register */
unsigned long dma_vendor3; /* dma vendor 3 register */
unsigned long dma_prdtable; /* actual prd table address */
- unsigned long dma_base2; /* extended base addr for dma ports */
- unsigned dma_extra; /* extra addr for dma ports */
unsigned long config_data; /* for use by chipset-specific code */
unsigned long select_data; /* for use by chipset-specific code */
+ unsigned long extra_base; /* extra addr for dma ports */
+ unsigned extra_ports; /* number of extra dma ports */
+
unsigned noprobe : 1; /* don't probe for this interface */
unsigned present : 1; /* this interface exists */
unsigned hold : 1; /* this interface is always present */
unsigned no_dsc : 1; /* 0 default, 1 dsc_overlap disabled */
unsigned auto_poll : 1; /* supports nop auto-poll */
unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */
+ unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */
+ unsigned err_stops_fifo : 1; /* 1=data FIFO is cleared by an error */
struct device gendev;
struct completion gendev_rel_comp; /* To deal with device release() */
void *hwif_data; /* extra hwif data */
unsigned dma;
-
- void (*led_act)(void *data, int rw);
} ____cacheline_internodealigned_in_smp ide_hwif_t;
/*
unsigned int sleeping : 1;
/* BOOL: polling active & poll_timeout field valid */
unsigned int polling : 1;
+ /* BOOL: in a polling reset situation. Must not trigger another reset yet */
+ unsigned int resetting : 1;
+
/* current drive */
ide_drive_t *drive;
/* ptr to current hwif in linked-list */
extern int noautodma;
extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs);
+int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
+ int uptodate, int nr_sectors);
/*
* This is used on exit from the driver to designate the next irq handler
extern int ide_spin_wait_hwgroup(ide_drive_t *);
extern void ide_timer_expiry(unsigned long);
-extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs);
+extern irqreturn_t ide_intr(int irq, void *dev_id);
extern void do_ide_request(request_queue_t *);
void ide_init_disk(struct gendisk *, ide_drive_t *);
extern void ide_scan_pcibus(int scan_direction) __init;
extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner);
#define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE)
-extern void ide_pci_unregister_driver(struct pci_driver *driver);
void ide_pci_setup_ports(struct pci_dev *, struct ide_pci_device_s *, int, ata_index_t *);
extern void ide_setup_pci_noise (struct pci_dev *dev, struct ide_pci_device_s *d);
enum {
/* Uses ISA control ports not PCI ones. */
IDEPCI_FLAG_ISA_PORTS = (1 << 0),
- IDEPCI_FLAG_FORCE_PDC = (1 << 1),
};
typedef struct ide_pci_device_s {
* ide_drive_t->hwif: constant, no locking
*/
-#define local_irq_set(flags) do { local_save_flags((flags)); local_irq_enable(); } while (0)
+#define local_irq_set(flags) do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0)
extern struct bus_type ide_bus_type;