*
* REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary
*/
-#define REALLY_FAST_IO /* define if ide ports are perfect */
#define INITIAL_MULT_COUNT 0 /* off=0; on=2,4,8,16,32, etc.. */
#ifndef SUPPORT_SLOW_DATA_PORTS /* 1 to support slow data ports */
#define IDE_NO_IRQ (-1)
-/*
- * IDE_DRIVE_CMD is used to implement many features of the hdparm utility
- */
-#define IDE_DRIVE_CMD 99 /* (magic) undef to reduce kernel size*/
-
-#define IDE_DRIVE_TASK 98
-
-/*
- * IDE_DRIVE_TASKFILE is used to implement many features needed for raw tasks
- */
-#define IDE_DRIVE_TASKFILE 97
-
/*
* "No user-serviceable parts" beyond this point :)
*****************************************************************************/
#define DMA_PIO_RETRY 1 /* retrying in PIO */
-/*
- * Ensure that various configuration flags have compatible settings
- */
-#ifdef REALLY_SLOW_IO
-#undef REALLY_FAST_IO
-#endif
-
#define HWIF(drive) ((ide_hwif_t *)((drive)->hwif))
#define HWGROUP(drive) ((ide_hwgroup_t *)(HWIF(drive)->hwgroup))
/*
* Some more useful definitions
*/
-#define IDE_MAJOR_NAME "hd" /* the same for all i/f; see also genhd.c */
-#define MAJOR_NAME IDE_MAJOR_NAME
#define PARTN_BITS 6 /* number of minor dev bits for partitions */
-#define PARTN_MASK ((1<<PARTN_BITS)-1) /* a useful bit mask */
#define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */
#define SECTOR_SIZE 512
#define SECTOR_WORDS (SECTOR_SIZE / 4) /* number of 32bit words per sector */
* Timeouts for various operations:
*/
#define WAIT_DRQ (HZ/10) /* 100msec - spec allows up to 20ms */
-#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE)
#define WAIT_READY (5*HZ) /* 5sec - some laptops are very slow */
-#else
-#define WAIT_READY (HZ/10) /* 100msec - should be instantaneous */
-#endif /* CONFIG_APM || CONFIG_APM_MODULE */
#define WAIT_PIDENTIFY (10*HZ) /* 10sec - should be less than 3ms (?), if all ATAPI CD is closed at boot */
#define WAIT_WORSTCASE (30*HZ) /* 30sec - worst case when spinning up */
#define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */
typedef enum { ide_unknown, ide_generic, ide_pci,
ide_cmd640, ide_dtc2278, ide_ali14xx,
ide_qd65xx, ide_umc8672, ide_ht6560b,
- ide_pdc4030, ide_rz1000, ide_trm290,
+ ide_rz1000, ide_trm290,
ide_cmd646, ide_cy82c693, ide_4drives,
ide_pmac, ide_etrax100, ide_acorn,
ide_forced
int irq; /* our irq number */
int dma; /* our dma entry */
ide_ack_intr_t *ack_intr; /* acknowledge interrupt */
- void *priv; /* interface specific data */
hwif_chipset_t chipset;
- unsigned long sata_scr[SATA_NR_PORTS];
- unsigned long sata_misc[SATA_NR_PORTS];
} hw_regs_t;
/*
* Register new hardware with ide
*/
int ide_register_hw(hw_regs_t *hw, struct hwif_s **hwifp);
+int ide_register_hw_with_fixup(hw_regs_t *, struct hwif_s **, void (*)(struct hwif_s *));
/*
* Set up hw_regs_t structure before calling ide_register_hw (optional)
unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */
unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */
unsigned vdma : 1; /* 1=doing PIO over DMA 0=doing normal DMA */
- unsigned stroke : 1; /* from: hdx=stroke */
unsigned addressing; /* : 3;
* 0=28-bit
* 1=48-bit
* 3=64-bit
*/
unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */
+ unsigned sleeping : 1; /* 1=sleeping & sleep field valid */
u8 quirk_list; /* considered quirky, set for a specific host */
- u8 suspend_reset; /* drive suspend mode flag, soft-reset recovers */
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 */
struct gendisk *disk;
} ide_drive_t;
-/*
- * mapping stuff, prepare for highmem...
- *
- * temporarily mapping a (possible) highmem bio for PIO transfer
- */
-#ifndef CONFIG_IDE_TASKFILE_IO
-
-#define ide_rq_offset(rq) \
- (((rq)->hard_cur_sectors - (rq)->current_nr_sectors) << 9)
-
-static inline void *ide_map_buffer(struct request *rq, unsigned long *flags)
-{
- return bio_kmap_irq(rq->bio, flags) + ide_rq_offset(rq);
-}
-
-static inline void ide_unmap_buffer(struct request *rq, char *buffer, unsigned long *flags)
-{
- bio_kunmap_irq(buffer, flags);
-}
-#endif /* !CONFIG_IDE_TASKFILE_IO */
-
#define IDE_CHIPSET_PCI_MASK \
((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx))
#define IDE_CHIPSET_IS_PCI(c) ((IDE_CHIPSET_PCI_MASK >> (c)) & 1)
struct pci_dev *pci_dev; /* for pci chipsets */
struct ide_pci_device_s *cds; /* chipset device struct */
- ide_startstop_t (*rw_disk)(ide_drive_t *, struct request *, sector_t);
+ void (*rw_disk)(ide_drive_t *, struct request *);
#if 0
ide_hwif_ops_t *hwifops;
#else
- /* routine is for HBA specific IDENTITY operations */
- int (*identify)(ide_drive_t *);
/* routine to tune PIO mode for drives */
void (*tuneproc)(ide_drive_t *, u8);
/* routine to retune DMA modes for drives */
void (*atapi_input_bytes)(ide_drive_t *, void *, u32);
void (*atapi_output_bytes)(ide_drive_t *, void *, u32);
- int (*ide_dma_read)(ide_drive_t *drive);
- int (*ide_dma_write)(ide_drive_t *drive);
- int (*ide_dma_begin)(ide_drive_t *drive);
+ int (*dma_setup)(ide_drive_t *);
+ void (*dma_exec_cmd)(ide_drive_t *, u8);
+ void (*dma_start)(ide_drive_t *);
int (*ide_dma_end)(ide_drive_t *drive);
int (*ide_dma_check)(ide_drive_t *drive);
int (*ide_dma_on)(ide_drive_t *drive);
int (*ide_dma_test_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_verbose)(ide_drive_t *drive);
int (*ide_dma_lostirq)(ide_drive_t *drive);
int (*ide_dma_timeout)(ide_drive_t *drive);
dma_addr_t dmatable_dma;
/* Scatter-gather list used to build the above */
struct scatterlist *sg_table;
+ int sg_max_nents; /* Maximum number of entries in it */
int sg_nents; /* Current number of entries in it */
int sg_dma_direction; /* dma transfer direction */
/* data phase of the active command (currently only valid for PIO/DMA) */
int data_phase;
+ unsigned int nsect;
+ unsigned int nleft;
+ unsigned int cursg;
+ unsigned int cursg_ofs;
+
int mmio; /* hosts iomio (0) or custom (2) select */
int rqsize; /* max sectors per request */
int irq; /* our irq number */
unsigned no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */
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 */
struct device gendev;
struct semaphore gendev_rel_sem; /* To deal with device release() */
/* BOOL: protects all fields below */
volatile int busy;
/* BOOL: wake us up on timer expiry */
- int sleeping;
+ unsigned int sleeping : 1;
+ /* BOOL: polling active & poll_timeout field valid */
+ unsigned int polling : 1;
/* current drive */
ide_drive_t *drive;
/* ptr to current hwif in linked-list */
extern void proc_ide_create(void);
extern void proc_ide_destroy(void);
-extern void destroy_proc_ide_drives(ide_hwif_t *);
extern void create_proc_ide_interfaces(void);
+void destroy_proc_ide_interface(ide_hwif_t *);
extern void ide_add_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *, void *);
extern void ide_remove_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *);
read_proc_t proc_ide_read_capacity;
}
#else
static inline void create_proc_ide_interfaces(void) { ; }
+static inline void destroy_proc_ide_interface(ide_hwif_t *hwif) { ; }
#define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0;
#endif
int (*cleanup)(ide_drive_t *);
ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
int (*end_request)(ide_drive_t *, int, int);
- u8 (*sense)(ide_drive_t *, const char *, u8);
- ide_startstop_t (*error)(ide_drive_t *, const char *, u8);
- ide_startstop_t (*abort)(ide_drive_t *, const char *);
+ ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8);
+ ide_startstop_t (*abort)(ide_drive_t *, struct request *rq);
int (*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
void (*pre_reset)(ide_drive_t *);
sector_t (*capacity)(ide_drive_t *);
*/
extern void ide_execute_command(ide_drive_t *, task_ioreg_t cmd, ide_handler_t *, unsigned int, ide_expiry_t *);
-/*
- * Error reporting, in human readable form (luxurious, but a memory hog).
- *
- * (drive, msg, status)
- */
-byte ide_dump_status (ide_drive_t *drive, const char *msg, byte stat);
+ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
/*
* ide_error() takes action based on the error returned by the controller.
*/
ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
+ide_startstop_t __ide_abort(ide_drive_t *, struct request *);
+
/*
* Abort a running command on the controller triggering the abort
* from a host side, non error situation
*/
extern ide_startstop_t ide_abort(ide_drive_t *, const char *);
-/*
- * Issue a simple drive command
- * The drive must be selected beforehand.
- *
- * (drive, command, nsector, handler)
- */
-extern void ide_cmd(ide_drive_t *, u8, u8, ide_handler_t *);
-
extern void ide_fix_driveid(struct hd_driveid *);
/*
* ide_fixstring() cleans up and (optionally) byte-swaps a text string,
*/
extern int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
-/*
- * Return the current idea about the total capacity of this drive.
- */
-extern sector_t current_capacity (ide_drive_t *drive);
-
/*
* Start a reset operation for an IDE interface.
* The caller should return immediately after invoking this.
*/
extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
-extern void try_to_flush_leftover_data(ide_drive_t *);
-
/*
* Issue ATA command and wait for completion.
* Use for implementing commands in kernel
*/
extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
-/* (ide_drive_t *drive, u8 *buf) */
-extern int ide_wait_cmd_task(ide_drive_t *, u8 *);
-
typedef struct ide_task_s {
/*
* struct hd_drive_task_hdr tf;
void *special; /* valid_t generally */
} ide_task_t;
-typedef struct pkt_task_s {
-/*
- * struct hd_drive_task_hdr pktf;
- * task_struct_t pktf;
- * u8 pkcdb[12];
- */
- task_ioreg_t tfRegister[8];
- int data_phase;
- int command_type;
- ide_handler_t *handler;
- struct request *rq; /* copy of request */
- void *special;
-} pkt_task_t;
-
extern u32 ide_read_24(ide_drive_t *);
extern void SELECT_DRIVE(ide_drive_t *);
extern void SELECT_MASK(ide_drive_t *, int);
extern void QUIRK_LIST(ide_drive_t *);
-extern void ata_input_data(ide_drive_t *, void *, u32);
-extern void ata_output_data(ide_drive_t *, void *, u32);
-extern void atapi_input_bytes(ide_drive_t *, void *, u32);
-extern void atapi_output_bytes(ide_drive_t *, void *, u32);
-extern void taskfile_input_data(ide_drive_t *, void *, u32);
-extern void taskfile_output_data(ide_drive_t *, void *, u32);
-
-#define IDE_PIO_IN 0
-#define IDE_PIO_OUT 1
-
-static inline void __task_sectors(ide_drive_t *drive, char *buf,
- unsigned nsect, unsigned rw)
-{
- /*
- * IRQ can happen instantly after reading/writing
- * last sector of the datablock.
- */
- if (rw == IDE_PIO_OUT)
- taskfile_output_data(drive, buf, nsect * SECTOR_WORDS);
- else
- taskfile_input_data(drive, buf, nsect * SECTOR_WORDS);
-}
-
-#ifdef CONFIG_IDE_TASKFILE_IO
-static inline void task_bio_sectors(ide_drive_t *drive, struct request *rq,
- unsigned nsect, unsigned rw)
-{
- unsigned long flags;
- char *buf = rq_map_buffer(rq, &flags);
-
- process_that_request_first(rq, nsect);
- __task_sectors(drive, buf, nsect, rw);
- rq_unmap_buffer(buf, &flags);
-}
-#endif /* CONFIG_IDE_TASKFILE_IO */
-
extern int drive_is_ready(ide_drive_t *);
extern int wait_for_ready(ide_drive_t *, int /* timeout */);
extern ide_startstop_t task_no_data_intr(ide_drive_t *);
extern ide_startstop_t task_in_intr(ide_drive_t *);
extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
-extern ide_startstop_t task_out_intr(ide_drive_t *);
extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *);
extern int system_bus_clock(void);
-extern u8 ide_auto_reduce_xfer(ide_drive_t *);
extern int ide_driveid_update(ide_drive_t *);
extern int ide_ata66_check(ide_drive_t *, ide_task_t *);
extern int ide_config_drive_speed(ide_drive_t *, u8);
extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);
-ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, sector_t block);
-
-/*
- * ide_system_bus_speed() returns what we think is the system VESA/PCI
- * bus speed (in MHz). This is used for calculating interface PIO timings.
- * The default is 40 for known PCI systems, 50 otherwise.
- * The "idebus=xx" parameter can be used to override this value.
- */
-extern int ide_system_bus_speed(void);
/*
* ide_stall_queue() can be used by a drive to give excess bandwidth back
extern void ide_init_subdrivers(void);
extern struct block_device_operations ide_fops[];
-extern ide_proc_entry_t generic_subdriver_entries[];
extern int ata_attach(ide_drive_t *);
extern void ide_scan_pcibus(int scan_direction) __init;
extern int ide_pci_register_driver(struct pci_driver *driver);
extern void ide_pci_unregister_driver(struct pci_driver *driver);
-extern void ide_pci_setup_ports(struct pci_dev *dev, struct ide_pci_device_s *d, int autodma, int pciirq, ata_index_t *index);
+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);
extern void default_hwif_iops(ide_hwif_t *);
enum {
/* Uses ISA control ports not PCI ones. */
IDEPCI_FLAG_ISA_PORTS = (1 << 0),
-
- IDEPCI_FLAG_FORCE_MASTER = (1 << 1),
- IDEPCI_FLAG_FORCE_PDC = (1 << 2),
+ IDEPCI_FLAG_FORCE_PDC = (1 << 1),
};
typedef struct ide_pci_device_s {
char *name;
- void (*init_setup)(struct pci_dev *, struct ide_pci_device_s *);
+ int (*init_setup)(struct pci_dev *, struct ide_pci_device_s *);
void (*init_setup_dma)(struct pci_dev *, struct ide_pci_device_s *, ide_hwif_t *);
unsigned int (*init_chipset)(struct pci_dev *, const char *);
void (*init_iops)(ide_hwif_t *);
void (*init_hwif)(ide_hwif_t *);
void (*init_dma)(ide_hwif_t *, unsigned long);
+ void (*fixup)(ide_hwif_t *);
u8 channels;
u8 autodma;
ide_pci_enablebit_t enablebits[2];
u8 flags;
} ide_pci_device_t;
-extern void ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
-extern void ide_setup_pci_devices(struct pci_dev *, struct pci_dev *, ide_pci_device_t *);
+extern int ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
+extern int ide_setup_pci_devices(struct pci_dev *, struct pci_dev *, ide_pci_device_t *);
+
+void ide_map_sg(ide_drive_t *, struct request *);
+void ide_init_sg_cmd(ide_drive_t *, struct request *);
#define BAD_DMA_DRIVE 0
#define GOOD_DMA_DRIVE 1
#ifdef CONFIG_BLK_DEV_IDEDMA
int __ide_dma_bad_drive(ide_drive_t *);
int __ide_dma_good_drive(ide_drive_t *);
+int ide_use_dma(ide_drive_t *);
int __ide_dma_off(ide_drive_t *);
+void ide_dma_verbose(ide_drive_t *);
+ide_startstop_t ide_dma_intr(ide_drive_t *);
#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
extern int ide_build_sglist(ide_drive_t *, struct request *);
-extern int ide_raw_build_sglist(ide_drive_t *, struct request *);
extern int ide_build_dmatable(ide_drive_t *, struct request *);
extern void ide_destroy_dmatable(ide_drive_t *);
-extern ide_startstop_t ide_dma_intr(ide_drive_t *);
extern int ide_release_dma(ide_hwif_t *);
extern void ide_setup_dma(ide_hwif_t *, unsigned long, unsigned int);
-extern int ide_start_dma(ide_hwif_t *, ide_drive_t *, int);
extern int __ide_dma_host_off(ide_drive_t *);
extern int __ide_dma_off_quietly(ide_drive_t *);
extern int __ide_dma_host_on(ide_drive_t *);
extern int __ide_dma_on(ide_drive_t *);
extern int __ide_dma_check(ide_drive_t *);
-extern int __ide_dma_read(ide_drive_t *);
-extern int __ide_dma_write(ide_drive_t *);
-extern int __ide_dma_begin(ide_drive_t *);
+extern int ide_dma_setup(ide_drive_t *);
+extern void ide_dma_start(ide_drive_t *);
extern int __ide_dma_end(ide_drive_t *);
-extern int __ide_dma_test_irq(ide_drive_t *);
-extern int __ide_dma_verbose(ide_drive_t *);
extern int __ide_dma_lostirq(ide_drive_t *);
extern int __ide_dma_timeout(ide_drive_t *);
#endif /* CONFIG_BLK_DEV_IDEDMA_PCI */
#else
+static inline int ide_use_dma(ide_drive_t *drive) { return 0; }
static inline int __ide_dma_off(ide_drive_t *drive) { return 0; }
+static inline void ide_dma_verbose(ide_drive_t *drive) { ; }
#endif /* CONFIG_BLK_DEV_IDEDMA */
#ifndef CONFIG_BLK_DEV_IDEDMA_PCI
extern void ide_hwif_release_regions(ide_hwif_t* hwif);
extern void ide_unregister (unsigned int index);
+void ide_undecoded_slave(ide_hwif_t *);
+
+int probe_hwif_init_with_fixup(ide_hwif_t *, void (*)(ide_hwif_t *));
extern int probe_hwif_init(ide_hwif_t *);
static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
extern char *ide_xfer_verbose(u8 xfer_rate);
extern void ide_toggle_bounce(ide_drive_t *drive, int on);
extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
-extern byte ide_dump_atapi_status(ide_drive_t *drive, const char *msg, byte stat);
+
+u8 ide_dump_status(ide_drive_t *, const char *, u8);
typedef struct ide_pio_timings_s {
int setup_time; /* Address setup (ns) minimum */
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