#include <asm/io.h>
#include <asm/mutex.h>
+/* for request_sense */
+#include <linux/cdrom.h>
+
#if defined(CONFIG_CRIS) || defined(CONFIG_FRV) || defined(CONFIG_MN10300)
# define SUPPORT_VLB_SYNC 0
#else
#define REQ_UNPARK_HEADS 0x23
/*
- * Check for an interrupt and acknowledge the interrupt status
- */
-struct hwif_s;
-typedef int (ide_ack_intr_t)(struct hwif_s *);
-
-/*
* hwif_chipset_t is used to keep track of the specific hardware
* chipset used by each IDE interface, if known.
*/
/*
* Structure to hold all information about the location of this port
*/
-typedef struct hw_regs_s {
+struct ide_hw {
union {
struct ide_io_ports io_ports;
unsigned long io_ports_array[IDE_NR_PORTS];
};
int irq; /* our irq number */
- ide_ack_intr_t *ack_intr; /* acknowledge interrupt */
- hwif_chipset_t chipset;
struct device *dev, *parent;
unsigned long config;
-} hw_regs_t;
+};
-static inline void ide_std_init_ports(hw_regs_t *hw,
+static inline void ide_std_init_ports(struct ide_hw *hw,
unsigned long io_addr,
unsigned long ctl_addr)
{
/*
* Special Driver Flags
- *
- * set_geometry : respecify drive geometry
- * recalibrate : seek to cyl 0
- * set_multmode : set multmode count
- * reserved : unused
*/
-typedef union {
- unsigned all : 8;
- struct {
- unsigned set_geometry : 1;
- unsigned recalibrate : 1;
- unsigned set_multmode : 1;
- unsigned reserved : 5;
- } b;
-} special_t;
+enum {
+ IDE_SFLAG_SET_GEOMETRY = (1 << 0),
+ IDE_SFLAG_RECALIBRATE = (1 << 1),
+ IDE_SFLAG_SET_MULTMODE = (1 << 2),
+};
/*
* Status returned from various ide_ functions
};
struct ide_taskfile {
- u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */
- /* 1-5: additional data to support LBA48 */
- union {
- u8 hob_error; /* read: error */
- u8 hob_feature; /* write: feature */
+ u8 data; /* 0: data byte (for TASKFILE ioctl) */
+ union { /* 1: */
+ u8 error; /* read: error */
+ u8 feature; /* write: feature */
};
-
- u8 hob_nsect;
- u8 hob_lbal;
- u8 hob_lbam;
- u8 hob_lbah;
-
- u8 data; /* 6: low data byte (for TASKFILE IOCTL) */
-
- union { /* 7: */
- u8 error; /* read: error */
- u8 feature; /* write: feature */
- };
-
- u8 nsect; /* 8: number of sectors */
- u8 lbal; /* 9: LBA low */
- u8 lbam; /* 10: LBA mid */
- u8 lbah; /* 11: LBA high */
-
- u8 device; /* 12: device select */
-
- union { /* 13: */
- u8 status; /* read: status */
+ u8 nsect; /* 2: number of sectors */
+ u8 lbal; /* 3: LBA low */
+ u8 lbam; /* 4: LBA mid */
+ u8 lbah; /* 5: LBA high */
+ u8 device; /* 6: device select */
+ union { /* 7: */
+ u8 status; /* read: status */
u8 command; /* write: command */
};
};
struct ide_cmd {
- union {
- struct ide_taskfile tf;
- u8 tf_array[14];
- };
-
+ struct ide_taskfile tf;
+ struct ide_taskfile hob;
struct {
struct {
u8 tf;
unsigned int cursg_ofs;
struct request *rq; /* copy of request */
- void *special; /* valid_t generally */
};
/* ATAPI packet command flags */
PC_FLAG_WRITING = (1 << 6),
};
-/*
- * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes.
- * This is used for several packet commands (not for READ/WRITE commands).
- */
-#define IDE_PC_BUFFER_SIZE 64
#define ATAPI_WAIT_PC (60 * HZ)
struct ide_atapi_pc {
/* bytes to transfer */
int req_xfer;
- /* bytes actually transferred */
- int xferred;
-
- /* data buffer */
- u8 *buf;
- /* current buffer position */
- u8 *cur_pos;
- int buf_size;
- /* missing/available data on the current buffer */
- int b_count;
/* the corresponding request */
struct request *rq;
* those are more or less driver-specific and some of them are subject
* to change/removal later.
*/
- u8 pc_buf[IDE_PC_BUFFER_SIZE];
-
- /* idetape only */
- struct idetape_bh *bh;
- char *b_data;
-
unsigned long timeout;
};
struct ide_disk_ops {
int (*check)(struct ide_drive_s *, const char *);
int (*get_capacity)(struct ide_drive_s *);
+ u64 (*set_capacity)(struct ide_drive_s *, u64);
void (*setup)(struct ide_drive_s *);
void (*flush)(struct ide_drive_s *);
int (*init_media)(struct ide_drive_s *, struct gendisk *);
IDE_DFLAG_NICE1 = (1 << 5),
/* device is physically present */
IDE_DFLAG_PRESENT = (1 << 6),
+ /* disable Host Protected Area */
+ IDE_DFLAG_NOHPA = (1 << 7),
/* id read from device (synthetic if not set) */
IDE_DFLAG_ID_READ = (1 << 8),
IDE_DFLAG_NOPROBE = (1 << 9),
/* write protect */
IDE_DFLAG_WP = (1 << 29),
IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 30),
+ IDE_DFLAG_NIEN_QUIRK = (1 << 31),
};
struct ide_drive_s {
unsigned long sleep; /* sleep until this time */
unsigned long timeout; /* max time to wait for irq */
- special_t special; /* special action flags */
+ u8 special_flags; /* special action flags */
u8 select; /* basic drive/head select reg value */
u8 retry_pio; /* retrying dma capable host in pio */
u8 waiting_for_dma; /* dma currently in progress */
u8 dma; /* atapi dma flag */
- u8 quirk_list; /* considered quirky, set for a specific host */
u8 init_speed; /* transfer rate set at boot */
u8 current_speed; /* current transfer rate set */
u8 desired_speed; /* desired transfer rate set */
unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */
unsigned int cyl; /* "real" number of cyls */
- unsigned int drive_data; /* used by set_pio_mode/dev_select() */
+ void *drive_data; /* used by set_pio_mode/dev_select() */
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 probed_capacity;/* initial/native media capacity */
u64 capacity64; /* total number of sectors */
int lun; /* logical unit */
/* callback for packet commands */
int (*pc_callback)(struct ide_drive_s *, int);
- void (*pc_update_buffers)(struct ide_drive_s *, struct ide_atapi_pc *);
- int (*pc_io_buffers)(struct ide_drive_s *, struct ide_atapi_pc *,
- unsigned int, int);
-
ide_startstop_t (*irq_handler)(struct ide_drive_s *);
unsigned long atapi_flags;
struct ide_atapi_pc request_sense_pc;
- struct request request_sense_rq;
+
+ /* current sense rq and buffer */
+ bool sense_rq_armed;
+ struct request sense_rq;
+ struct request_sense sense_data;
};
typedef struct ide_drive_s ide_drive_t;
void (*write_devctl)(struct hwif_s *, u8);
void (*dev_select)(ide_drive_t *);
- void (*tf_load)(ide_drive_t *, struct ide_cmd *);
- void (*tf_read)(ide_drive_t *, struct ide_cmd *);
+ void (*tf_load)(ide_drive_t *, struct ide_taskfile *, u8);
+ void (*tf_read)(ide_drive_t *, struct ide_taskfile *, u8);
void (*input_data)(ide_drive_t *, struct ide_cmd *,
void *, unsigned int);
void (*maskproc)(ide_drive_t *, int);
void (*quirkproc)(ide_drive_t *);
void (*clear_irq)(ide_drive_t *);
+ int (*test_irq)(struct hwif_s *);
u8 (*mdma_filter)(ide_drive_t *);
u8 (*udma_filter)(ide_drive_t *);
u8 (*dma_sff_read_status)(struct hwif_s *);
};
+enum {
+ IDE_PFLAG_PROBING = (1 << 0),
+};
+
struct ide_host;
typedef struct hwif_s {
ide_drive_t *devices[MAX_DRIVES + 1];
+ unsigned long port_flags;
+
u8 major; /* our major number */
u8 index; /* 0 for ide0; 1 for ide1; ... */
u8 channel; /* for dual-port chips: 0=primary, 1=secondary */
struct device *dev;
- ide_ack_intr_t *ack_intr;
-
void (*rw_disk)(ide_drive_t *, struct request *);
const struct ide_tp_ops *tp_ops;
extern int ide_vlb_clk;
extern int ide_pci_clk;
-unsigned int ide_rq_bytes(struct request *);
int ide_end_rq(ide_drive_t *, struct request *, int, unsigned int);
void ide_kill_rq(ide_drive_t *, struct request *);
extern void ide_fixstring(u8 *, const int, const int);
-int ide_busy_sleep(ide_hwif_t *, unsigned long, int);
+int ide_busy_sleep(ide_drive_t *, unsigned long, int);
int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
void ide_complete_cmd(ide_drive_t *, struct ide_cmd *, u8, u8);
int ide_complete_rq(ide_drive_t *, int, unsigned int);
-void ide_tf_dump(const char *, struct ide_taskfile *);
+void ide_tf_readback(ide_drive_t *drive, struct ide_cmd *cmd);
+void ide_tf_dump(const char *, struct ide_cmd *);
void ide_exec_command(ide_hwif_t *, u8);
u8 ide_read_status(ide_hwif_t *);
void ide_write_devctl(ide_hwif_t *, u8);
void ide_dev_select(ide_drive_t *);
-void ide_tf_load(ide_drive_t *, struct ide_cmd *);
-void ide_tf_read(ide_drive_t *, struct ide_cmd *);
+void ide_tf_load(ide_drive_t *, struct ide_taskfile *, u8);
+void ide_tf_read(ide_drive_t *, struct ide_taskfile *, u8);
void ide_input_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
void ide_output_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int);
u8 ide_read_error(ide_drive_t *);
void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *);
+int ide_check_ireason(ide_drive_t *, struct request *, int, int, int);
+
int ide_check_atapi_device(ide_drive_t *, const char *);
void ide_init_pc(struct ide_atapi_pc *);
REQ_IDETAPE_WRITE = (1 << 3),
};
-int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *);
+int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
+ void *, unsigned int);
int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);
int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);
void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *);
-void ide_retry_pc(ide_drive_t *, struct gendisk *);
+void ide_retry_pc(ide_drive_t *drive);
+
+void ide_prep_sense(ide_drive_t *drive, struct request *rq);
+int ide_queue_sense_rq(ide_drive_t *drive, void *special);
int ide_cd_expiry(ide_drive_t *);
}
void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *,
- hw_regs_t *, hw_regs_t **);
+ struct ide_hw *, struct ide_hw **);
void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
#ifdef CONFIG_BLK_DEV_IDEDMA
int ide_dma_good_drive(ide_drive_t *);
int __ide_dma_bad_drive(ide_drive_t *);
-int ide_id_dma_bug(ide_drive_t *);
u8 ide_find_dma_mode(ide_drive_t *, u8);
ide_startstop_t ide_dma_timeout_retry(ide_drive_t *, int);
#else
-static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; }
static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; }
static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; }
static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; }
#ifdef CONFIG_BLK_DEV_IDEACPI
int ide_acpi_init(void);
+bool ide_port_acpi(ide_hwif_t *hwif);
extern int ide_acpi_exec_tfs(ide_drive_t *drive);
extern void ide_acpi_get_timing(ide_hwif_t *hwif);
extern void ide_acpi_push_timing(ide_hwif_t *hwif);
extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
#else
static inline int ide_acpi_init(void) { return 0; }
+static inline bool ide_port_acpi(ide_hwif_t *hwif) { return 0; }
static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; }
static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; }
static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; }
void ide_register_region(struct gendisk *);
void ide_unregister_region(struct gendisk *);
+void ide_check_nien_quirk_list(ide_drive_t *);
void ide_undecoded_slave(ide_drive_t *);
void ide_port_apply_params(ide_hwif_t *);
int ide_sysfs_register_port(ide_hwif_t *);
-struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **);
+struct ide_host *ide_host_alloc(const struct ide_port_info *, struct ide_hw **,
+ unsigned int);
void ide_host_free(struct ide_host *);
int ide_host_register(struct ide_host *, const struct ide_port_info *,
- hw_regs_t **);
-int ide_host_add(const struct ide_port_info *, hw_regs_t **,
+ struct ide_hw **);
+int ide_host_add(const struct ide_port_info *, struct ide_hw **, unsigned int,
struct ide_host **);
void ide_host_remove(struct ide_host *);
int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
extern void ide_toggle_bounce(ide_drive_t *drive, int on);
-u64 ide_get_lba_addr(struct ide_taskfile *, int);
+u64 ide_get_lba_addr(struct ide_cmd *, int);
u8 ide_dump_status(ide_drive_t *, const char *, u8);
struct ide_timing {
int ide_scan_pio_blacklist(char *);
const char *ide_xfer_verbose(u8);
u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
+int ide_pio_need_iordy(ide_drive_t *, const u8);
int ide_set_pio_mode(ide_drive_t *, u8);
int ide_set_dma_mode(ide_drive_t *, u8);
void ide_set_pio(ide_drive_t *, u8);
return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
}
+static inline void *ide_get_drivedata(ide_drive_t *drive)
+{
+ return drive->drive_data;
+}
+
+static inline void ide_set_drivedata(ide_drive_t *drive, void *data)
+{
+ drive->drive_data = data;
+}
+
#define ide_port_for_each_dev(i, dev, port) \
for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff