#include <asm/io.h>
#include <asm/mutex.h>
-#if defined(CONFIG_CRIS) || defined(CONFIG_FRV)
+#if defined(CONFIG_CRIS) || defined(CONFIG_FRV) || defined(CONFIG_MN10300)
# define SUPPORT_VLB_SYNC 0
#else
# define SUPPORT_VLB_SYNC 1
#define ERROR_RESET 3 /* Reset controller every 4th retry */
#define ERROR_RECAL 1 /* Recalibrate every 2nd retry */
+/* Error codes returned in rq->errors to the higher part of the driver. */
+enum {
+ IDE_DRV_ERROR_GENERAL = 101,
+ IDE_DRV_ERROR_FILEMARK = 102,
+ IDE_DRV_ERROR_EOD = 103,
+};
+
/*
* Definitions for accessing IDE controller registers
*/
hw->io_ports.ctl_addr = ctl_addr;
}
-/* for IDE PCI controllers in legacy mode, temporary */
-static inline int __ide_default_irq(unsigned long base)
-{
- switch (base) {
-#ifdef CONFIG_IA64
- case 0x1f0: return isa_irq_to_vector(14);
- case 0x170: return isa_irq_to_vector(15);
-#else
- case 0x1f0: return 14;
- case 0x170: return 15;
-#endif
- }
- return 0;
-}
-
-#if defined(CONFIG_ARM) || defined(CONFIG_FRV) || defined(CONFIG_M68K) || \
- defined(CONFIG_MIPS) || defined(CONFIG_MN10300) || defined(CONFIG_PARISC) \
- || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || defined(CONFIG_SPARC64)
-#include <asm/ide.h>
-#else
-#include <asm-generic/ide_iops.h>
-#endif
-
#define MAX_HWIFS 10
-/* Currently only m68k, apus and m8xx need it */
-#ifndef IDE_ARCH_ACK_INTR
-# define ide_ack_intr(hwif) (1)
-#endif
-
-/* Currently only Atari needs it */
-#ifndef IDE_ARCH_LOCK
-# define ide_release_lock() do {} while (0)
-# define ide_get_lock(hdlr, data) do {} while (0)
-#endif /* IDE_ARCH_LOCK */
-
/*
* Now for the data we need to maintain per-drive: ide_drive_t
*/
ide_started, /* a drive operation was started, handler was set */
} ide_startstop_t;
+enum {
+ IDE_VALID_ERROR = (1 << 1),
+ IDE_VALID_FEATURE = IDE_VALID_ERROR,
+ IDE_VALID_NSECT = (1 << 2),
+ IDE_VALID_LBAL = (1 << 3),
+ IDE_VALID_LBAM = (1 << 4),
+ IDE_VALID_LBAH = (1 << 5),
+ IDE_VALID_DEVICE = (1 << 6),
+ IDE_VALID_LBA = IDE_VALID_LBAL |
+ IDE_VALID_LBAM |
+ IDE_VALID_LBAH,
+ IDE_VALID_OUT_TF = IDE_VALID_FEATURE |
+ IDE_VALID_NSECT |
+ IDE_VALID_LBA,
+ IDE_VALID_IN_TF = IDE_VALID_NSECT |
+ IDE_VALID_LBA,
+ IDE_VALID_OUT_HOB = IDE_VALID_OUT_TF,
+ IDE_VALID_IN_HOB = IDE_VALID_ERROR |
+ IDE_VALID_NSECT |
+ IDE_VALID_LBA,
+};
+
enum {
IDE_TFLAG_LBA48 = (1 << 0),
- IDE_TFLAG_FLAGGED = (1 << 2),
- IDE_TFLAG_OUT_DATA = (1 << 3),
- IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4),
- IDE_TFLAG_OUT_HOB_NSECT = (1 << 5),
- IDE_TFLAG_OUT_HOB_LBAL = (1 << 6),
- IDE_TFLAG_OUT_HOB_LBAM = (1 << 7),
- IDE_TFLAG_OUT_HOB_LBAH = (1 << 8),
- IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE |
- IDE_TFLAG_OUT_HOB_NSECT |
- IDE_TFLAG_OUT_HOB_LBAL |
- IDE_TFLAG_OUT_HOB_LBAM |
- IDE_TFLAG_OUT_HOB_LBAH,
- IDE_TFLAG_OUT_FEATURE = (1 << 9),
- IDE_TFLAG_OUT_NSECT = (1 << 10),
- IDE_TFLAG_OUT_LBAL = (1 << 11),
- IDE_TFLAG_OUT_LBAM = (1 << 12),
- IDE_TFLAG_OUT_LBAH = (1 << 13),
- IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE |
- IDE_TFLAG_OUT_NSECT |
- IDE_TFLAG_OUT_LBAL |
- IDE_TFLAG_OUT_LBAM |
- IDE_TFLAG_OUT_LBAH,
- IDE_TFLAG_OUT_DEVICE = (1 << 14),
- IDE_TFLAG_WRITE = (1 << 15),
- IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16),
- IDE_TFLAG_IN_DATA = (1 << 17),
- IDE_TFLAG_CUSTOM_HANDLER = (1 << 18),
- IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19),
- IDE_TFLAG_IN_HOB_FEATURE = (1 << 20),
- IDE_TFLAG_IN_HOB_NSECT = (1 << 21),
- IDE_TFLAG_IN_HOB_LBAL = (1 << 22),
- IDE_TFLAG_IN_HOB_LBAM = (1 << 23),
- IDE_TFLAG_IN_HOB_LBAH = (1 << 24),
- IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL |
- IDE_TFLAG_IN_HOB_LBAM |
- IDE_TFLAG_IN_HOB_LBAH,
- IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE |
- IDE_TFLAG_IN_HOB_NSECT |
- IDE_TFLAG_IN_HOB_LBA,
- IDE_TFLAG_IN_FEATURE = (1 << 1),
- IDE_TFLAG_IN_NSECT = (1 << 25),
- IDE_TFLAG_IN_LBAL = (1 << 26),
- IDE_TFLAG_IN_LBAM = (1 << 27),
- IDE_TFLAG_IN_LBAH = (1 << 28),
- IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL |
- IDE_TFLAG_IN_LBAM |
- IDE_TFLAG_IN_LBAH,
- IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT |
- IDE_TFLAG_IN_LBA,
- IDE_TFLAG_IN_DEVICE = (1 << 29),
- IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB |
- IDE_TFLAG_IN_HOB,
- IDE_TFLAG_TF = IDE_TFLAG_OUT_TF |
- IDE_TFLAG_IN_TF,
- IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE |
- IDE_TFLAG_IN_DEVICE,
+ IDE_TFLAG_WRITE = (1 << 1),
+ IDE_TFLAG_CUSTOM_HANDLER = (1 << 2),
+ IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 3),
/* force 16-bit I/O operations */
- IDE_TFLAG_IO_16BIT = (1 << 30),
- /* ide_task_t was allocated using kmalloc() */
- IDE_TFLAG_DYN = (1 << 31),
+ IDE_TFLAG_IO_16BIT = (1 << 4),
+ /* struct ide_cmd was allocated using kmalloc() */
+ IDE_TFLAG_DYN = (1 << 5),
+ IDE_TFLAG_FS = (1 << 6),
+ IDE_TFLAG_MULTI_PIO = (1 << 7),
};
-struct ide_taskfile {
- u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */
+enum {
+ IDE_FTFLAG_FLAGGED = (1 << 0),
+ IDE_FTFLAG_SET_IN_FLAGS = (1 << 1),
+ IDE_FTFLAG_OUT_DATA = (1 << 2),
+ IDE_FTFLAG_IN_DATA = (1 << 3),
+};
- u8 hob_feature; /* 1-5: additional data to support LBA48 */
- u8 hob_nsect;
- u8 hob_lbal;
- u8 hob_lbam;
- u8 hob_lbah;
+struct ide_taskfile {
+ u8 data; /* 0: data byte (for TASKFILE ioctl) */
+ union { /* 1: */
+ u8 error; /* read: error */
+ u8 feature; /* write: feature */
+ };
+ 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 */
+ };
+};
- u8 data; /* 6: low data byte (for TASKFILE IOCTL) */
+struct ide_cmd {
+ struct ide_taskfile tf;
+ struct ide_taskfile hob;
+ struct {
+ struct {
+ u8 tf;
+ u8 hob;
+ } out, in;
+ } valid;
- union { /* 7: */
- u8 error; /* read: error */
- u8 feature; /* write: feature */
- };
+ u8 tf_flags;
+ u8 ftf_flags; /* for TASKFILE ioctl */
+ int protocol;
- u8 nsect; /* 8: number of sectors */
- u8 lbal; /* 9: LBA low */
- u8 lbam; /* 10: LBA mid */
- u8 lbah; /* 11: LBA high */
+ int sg_nents; /* number of sg entries */
+ int orig_sg_nents;
+ int sg_dma_direction; /* DMA transfer direction */
- u8 device; /* 12: device select */
+ unsigned int nbytes;
+ unsigned int nleft;
+ unsigned int last_xfer_len;
- union { /* 13: */
- u8 status; /* read: status */
- u8 command; /* write: command */
- };
-};
+ struct scatterlist *cursg;
+ unsigned int cursg_ofs;
-typedef struct ide_task_s {
- union {
- struct ide_taskfile tf;
- u8 tf_array[14];
- };
- u32 tf_flags;
- int data_phase;
struct request *rq; /* copy of request */
void *special; /* valid_t generally */
-} ide_task_t;
+};
/* ATAPI packet command flags */
enum {
PC_FLAG_DMA_IN_PROGRESS = (1 << 4),
PC_FLAG_DMA_ERROR = (1 << 5),
PC_FLAG_WRITING = (1 << 6),
- /* command timed out */
- PC_FLAG_TIMEDOUT = (1 << 7),
};
/*
* 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 256
+#define IDE_PC_BUFFER_SIZE 64
#define ATAPI_WAIT_PC (60 * HZ)
struct ide_atapi_pc {
struct idetape_bh *bh;
char *b_data;
- /* idescsi only for now */
- struct scatterlist *sg;
- unsigned int sg_cnt;
-
- struct scsi_cmnd *scsi_cmd;
- void (*done) (struct scsi_cmnd *);
-
unsigned long timeout;
};
int);
ide_startstop_t (*do_request)(struct ide_drive_s *, struct request *,
sector_t);
- int (*end_request)(struct ide_drive_s *, int, int);
int (*ioctl)(struct ide_drive_s *, struct block_device *,
fmode_t, unsigned int, unsigned long);
};
IDE_AFLAG_TOCADDR_AS_BCD = (1 << 3),
/* TOC track numbers are in BCD. */
IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 4),
- /*
- * Drive does not provide data in multiples of SECTOR_SIZE
- * when more than one interrupt is needed.
- */
- IDE_AFLAG_LIMIT_NFRAMES = (1 << 5),
/* Saved TOC information is current. */
IDE_AFLAG_TOC_VALID = (1 << 6),
/* We think that the drive door is locked. */
IDE_DFLAG_NICE1 = (1 << 5),
/* device is physically present */
IDE_DFLAG_PRESENT = (1 << 6),
- /* device ejected hint */
- IDE_DFLAG_DEAD = (1 << 7),
/* id read from device (synthetic if not set) */
IDE_DFLAG_ID_READ = (1 << 8),
IDE_DFLAG_NOPROBE = (1 << 9),
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/selectproc */
+ unsigned int 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) */
/* current packet command */
struct ide_atapi_pc *pc;
+ /* last failed packet command */
+ struct ide_atapi_pc *failed_pc;
+
/* callback for packet commands */
- void (*pc_callback)(struct ide_drive_s *, int);
+ 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;
#define to_ide_device(dev) container_of(dev, ide_drive_t, gendev)
#define to_ide_drv(obj, cont_type) \
- container_of(obj, struct cont_type, kref)
+ container_of(obj, struct cont_type, dev)
#define ide_drv_g(disk, cont_type) \
container_of((disk)->private_data, struct cont_type, driver)
void (*exec_command)(struct hwif_s *, u8);
u8 (*read_status)(struct hwif_s *);
u8 (*read_altstatus)(struct hwif_s *);
- u8 (*read_sff_dma_status)(struct hwif_s *);
+ void (*write_devctl)(struct hwif_s *, u8);
- void (*set_irq)(struct hwif_s *, int);
+ void (*dev_select)(ide_drive_t *);
+ void (*tf_load)(ide_drive_t *, struct ide_taskfile *, u8);
+ void (*tf_read)(ide_drive_t *, struct ide_taskfile *, u8);
- void (*tf_load)(ide_drive_t *, struct ide_task_s *);
- void (*tf_read)(ide_drive_t *, struct ide_task_s *);
-
- void (*input_data)(ide_drive_t *, struct request *, void *,
- unsigned int);
- void (*output_data)(ide_drive_t *, struct request *, void *,
- unsigned int);
+ void (*input_data)(ide_drive_t *, struct ide_cmd *,
+ void *, unsigned int);
+ void (*output_data)(ide_drive_t *, struct ide_cmd *,
+ void *, unsigned int);
};
extern const struct ide_tp_ops default_tp_ops;
* @init_dev: host specific initialization of a device
* @set_pio_mode: routine to program host for PIO mode
* @set_dma_mode: routine to program host for DMA mode
- * @selectproc: tweaks hardware to select drive
* @reset_poll: chipset polling based on hba specifics
* @pre_reset: chipset specific changes to default for device-hba resets
* @resetproc: routine to reset controller after a disk reset
void (*init_dev)(ide_drive_t *);
void (*set_pio_mode)(ide_drive_t *, const u8);
void (*set_dma_mode)(ide_drive_t *, const u8);
- void (*selectproc)(ide_drive_t *);
int (*reset_poll)(ide_drive_t *);
void (*pre_reset)(ide_drive_t *);
void (*resetproc)(ide_drive_t *);
struct ide_dma_ops {
void (*dma_host_set)(struct ide_drive_s *, int);
- int (*dma_setup)(struct ide_drive_s *);
- void (*dma_exec_cmd)(struct ide_drive_s *, u8);
+ int (*dma_setup)(struct ide_drive_s *, struct ide_cmd *);
void (*dma_start)(struct ide_drive_s *);
int (*dma_end)(struct ide_drive_s *);
int (*dma_test_irq)(struct ide_drive_s *);
void (*dma_lost_irq)(struct ide_drive_s *);
- void (*dma_timeout)(struct ide_drive_s *);
+ /* below ones are optional */
+ int (*dma_check)(struct ide_drive_s *, struct ide_cmd *);
+ int (*dma_timer_expiry)(struct ide_drive_s *);
+ void (*dma_clear)(struct ide_drive_s *);
+ /*
+ * The following method is optional and only required to be
+ * implemented for the SFF-8038i compatible controllers.
+ */
+ u8 (*dma_sff_read_status)(struct hwif_s *);
};
struct ide_host;
unsigned long sata_scr[SATA_NR_PORTS];
- ide_drive_t drives[MAX_DRIVES]; /* drive info */
+ ide_drive_t *devices[MAX_DRIVES + 1];
u8 major; /* our major number */
u8 index; /* 0 for ide0; 1 for ide1; ... */
/* 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;
-
- struct ide_task_s task; /* current command */
- unsigned int nsect;
- unsigned int nleft;
- struct scatterlist *cursg;
- unsigned int cursg_ofs;
+ struct ide_cmd cmd; /* current command */
int rqsize; /* max sectors per request */
int irq; /* our irq number */
unsigned extra_ports; /* number of extra dma ports */
unsigned present : 1; /* this interface exists */
- unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */
unsigned busy : 1; /* serializes devices on a port */
struct device gendev;
#define MAX_HOST_PORTS 4
struct ide_host {
- ide_hwif_t *ports[MAX_HOST_PORTS];
+ ide_hwif_t *ports[MAX_HOST_PORTS + 1];
unsigned int n_ports;
struct device *dev[2];
- unsigned int (*init_chipset)(struct pci_dev *);
+
+ int (*init_chipset)(struct pci_dev *);
+
+ void (*get_lock)(irq_handler_t, void *);
+ void (*release_lock)(void);
+
+ irq_handler_t irq_handler;
+
unsigned long host_flags;
+
+ int irq_flags;
+
void *host_priv;
ide_hwif_t *cur_port; /* for hosts requiring serialization */
/* used for hosts requiring serialization */
- volatile long host_busy;
+ volatile unsigned long host_busy;
};
#define IDE_HOST_BUSY 0
typedef int (ide_expiry_t)(ide_drive_t *);
/* used by ide-cd, ide-floppy, etc. */
-typedef void (xfer_func_t)(ide_drive_t *, struct request *rq, void *, unsigned);
+typedef void (xfer_func_t)(ide_drive_t *, struct ide_cmd *, void *, unsigned);
extern struct mutex ide_setting_mtx;
};
/* DRV_NAME has to be defined in the driver before using the macro below */
-#define __ide_debug_log(lvl, fmt, args...) \
-{ \
- if (unlikely(drive->debug_mask & lvl)) \
- printk(KERN_INFO DRV_NAME ": " fmt, ## args); \
+#define __ide_debug_log(lvl, fmt, args...) \
+{ \
+ if (unlikely(drive->debug_mask & lvl)) \
+ printk(KERN_INFO DRV_NAME ": %s: " fmt "\n", \
+ __func__, ## args); \
}
/*
void ide_complete_power_step(ide_drive_t *, struct request *);
ide_startstop_t ide_start_power_step(ide_drive_t *, struct request *);
-void ide_complete_pm_request(ide_drive_t *, struct request *);
+void ide_complete_pm_rq(ide_drive_t *, struct request *);
void ide_check_pm_state(ide_drive_t *, struct request *);
/*
struct ide_driver {
const char *version;
ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
- int (*end_request)(ide_drive_t *, int, int);
struct device_driver gen_driver;
int (*probe)(ide_drive_t *);
void (*remove)(ide_drive_t *);
extern int ide_vlb_clk;
extern int ide_pci_clk;
-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);
-
-extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
+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 *);
-void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
- ide_expiry_t *);
+void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
+void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
-void ide_execute_pkt_cmd(ide_drive_t *);
+void ide_execute_command(ide_drive_t *, struct ide_cmd *, ide_handler_t *,
+ unsigned int);
void ide_pad_transfer(ide_drive_t *, int, int);
int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
+ide_startstop_t ide_do_park_unpark(ide_drive_t *, struct request *);
+ide_startstop_t ide_do_devset(ide_drive_t *, struct request *);
+
extern ide_startstop_t ide_do_reset (ide_drive_t *);
extern int ide_devset_execute(ide_drive_t *drive,
const struct ide_devset *setting, int arg);
-extern void ide_do_drive_cmd(ide_drive_t *, struct request *);
-
-extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
+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 *);
u8 ide_read_altstatus(ide_hwif_t *);
-u8 ide_read_sff_dma_status(ide_hwif_t *);
-
-void ide_set_irq(ide_hwif_t *, int);
-
-void ide_tf_load(ide_drive_t *, ide_task_t *);
-void ide_tf_read(ide_drive_t *, ide_task_t *);
+void ide_write_devctl(ide_hwif_t *, u8);
-void ide_input_data(ide_drive_t *, struct request *, void *, unsigned int);
-void ide_output_data(ide_drive_t *, struct request *, void *, unsigned int);
+void ide_dev_select(ide_drive_t *);
+void ide_tf_load(ide_drive_t *, struct ide_taskfile *, u8);
+void ide_tf_read(ide_drive_t *, struct ide_taskfile *, u8);
-int ide_io_buffers(ide_drive_t *, struct ide_atapi_pc *, unsigned int, int);
+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);
-extern void SELECT_DRIVE(ide_drive_t *);
void SELECT_MASK(ide_drive_t *, int);
u8 ide_read_error(ide_drive_t *);
void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *);
-extern int drive_is_ready(ide_drive_t *);
-
-void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8);
-
int ide_check_atapi_device(ide_drive_t *, const char *);
void ide_init_pc(struct ide_atapi_pc *);
int ide_cd_get_xferlen(struct request *);
-ide_startstop_t ide_issue_pc(ide_drive_t *);
+ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_cmd *);
+
+ide_startstop_t do_rw_taskfile(ide_drive_t *, struct ide_cmd *);
-ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
+void ide_pio_bytes(ide_drive_t *, struct ide_cmd *, unsigned int, unsigned int);
-void task_end_request(ide_drive_t *, struct request *, u8);
+void ide_finish_cmd(ide_drive_t *, struct ide_cmd *, u8);
-int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16);
-int ide_no_data_taskfile(ide_drive_t *, ide_task_t *);
+int ide_raw_taskfile(ide_drive_t *, struct ide_cmd *, u8 *, u16);
+int ide_no_data_taskfile(ide_drive_t *, struct ide_cmd *);
-int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long);
+int ide_taskfile_ioctl(ide_drive_t *, unsigned long);
+
+int ide_dev_read_id(ide_drive_t *, u8, u16 *);
extern int ide_driveid_update(ide_drive_t *);
extern int ide_config_drive_speed(ide_drive_t *, u8);
return 0;
}
-void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int,
+void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *,
hw_regs_t *, hw_regs_t **);
void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19),
/* serialize ports */
IDE_HFLAG_SERIALIZE = (1 << 20),
- /* use legacy IRQs */
- IDE_HFLAG_LEGACY_IRQS = (1 << 21),
- /* force use of legacy IRQs */
- IDE_HFLAG_FORCE_LEGACY_IRQS = (1 << 22),
+ /* host is DTC2278 */
+ IDE_HFLAG_DTC2278 = (1 << 21),
+ /* 4 devices on a single set of I/O ports */
+ IDE_HFLAG_4DRIVES = (1 << 22),
/* host is TRM290 */
IDE_HFLAG_TRM290 = (1 << 23),
/* use 32-bit I/O ops */
struct ide_port_info {
char *name;
- unsigned int (*init_chipset)(struct pci_dev *);
+
+ int (*init_chipset)(struct pci_dev *);
+
+ void (*get_lock)(irq_handler_t, void *);
+ void (*release_lock)(void);
+
void (*init_iops)(ide_hwif_t *);
void (*init_hwif)(ide_hwif_t *);
int (*init_dma)(ide_hwif_t *,
u16 max_sectors; /* if < than the default one */
u32 host_flags;
+
+ int irq_flags;
+
u8 pio_mask;
u8 swdma_mask;
u8 mwdma_mask;
#define ide_pci_resume NULL
#endif
-void ide_map_sg(ide_drive_t *, struct request *);
-void ide_init_sg_cmd(ide_drive_t *, struct request *);
+void ide_map_sg(ide_drive_t *, struct ide_cmd *);
+void ide_init_sg_cmd(struct ide_cmd *, unsigned int);
#define BAD_DMA_DRIVE 0
#define GOOD_DMA_DRIVE 1
int ide_allocate_dma_engine(ide_hwif_t *);
void ide_release_dma_engine(ide_hwif_t *);
-int ide_build_sglist(ide_drive_t *, struct request *);
-void ide_destroy_dmatable(ide_drive_t *);
+int ide_dma_prepare(ide_drive_t *, struct ide_cmd *);
+void ide_dma_unmap_sg(ide_drive_t *, struct ide_cmd *);
#ifdef CONFIG_BLK_DEV_IDEDMA_SFF
int config_drive_for_dma(ide_drive_t *);
-extern int ide_build_dmatable(ide_drive_t *, struct request *);
+int ide_build_dmatable(ide_drive_t *, struct ide_cmd *);
void ide_dma_host_set(ide_drive_t *, int);
-extern int ide_dma_setup(ide_drive_t *);
-void ide_dma_exec_cmd(ide_drive_t *, u8);
+int ide_dma_setup(ide_drive_t *, struct ide_cmd *);
extern void ide_dma_start(ide_drive_t *);
int ide_dma_end(ide_drive_t *);
int ide_dma_test_irq(ide_drive_t *);
+int ide_dma_sff_timer_expiry(ide_drive_t *);
+u8 ide_dma_sff_read_status(ide_hwif_t *);
extern const struct ide_dma_ops sff_dma_ops;
#else
static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; }
#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */
void ide_dma_lost_irq(ide_drive_t *);
-void ide_dma_timeout(ide_drive_t *);
+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 void ide_dma_verbose(ide_drive_t *drive) { ; }
static inline int ide_set_dma(ide_drive_t *drive) { return 1; }
static inline void ide_check_dma_crc(ide_drive_t *drive) { ; }
+static inline ide_startstop_t ide_dma_intr(ide_drive_t *drive) { return ide_stopped; }
+static inline ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) { return ide_stopped; }
static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; }
+static inline int ide_dma_prepare(ide_drive_t *drive,
+ struct ide_cmd *cmd) { return 1; }
+static inline void ide_dma_unmap_sg(ide_drive_t *drive,
+ struct ide_cmd *cmd) { ; }
#endif /* CONFIG_BLK_DEV_IDEDMA */
#ifdef CONFIG_BLK_DEV_IDEACPI
+int ide_acpi_init(void);
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_init(ide_hwif_t *hwif);
+void ide_acpi_init_port(ide_hwif_t *);
void ide_acpi_port_init_devices(ide_hwif_t *);
extern void ide_acpi_set_state(ide_hwif_t *hwif, int on);
#else
+static inline int ide_acpi_init(void) { 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) { ; }
-static inline void ide_acpi_init(ide_hwif_t *hwif) { ; }
+static inline void ide_acpi_init_port(ide_hwif_t *hwif) { ; }
static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; }
static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
#endif
hwif->hwif_data = data;
}
-const char *ide_xfer_verbose(u8 mode);
extern void ide_toggle_bounce(ide_drive_t *drive, int on);
-extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
-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 {
struct ide_timing *, unsigned int);
int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
+#ifdef CONFIG_IDE_XFER_MODE
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_set_pio_mode(ide_drive_t *, u8);
int ide_set_dma_mode(ide_drive_t *, u8);
-
void ide_set_pio(ide_drive_t *, u8);
+int ide_set_xfer_rate(ide_drive_t *, u8);
+#else
+static inline void ide_set_pio(ide_drive_t *drive, u8 pio) { ; }
+static inline int ide_set_xfer_rate(ide_drive_t *drive, u8 rate) { return -1; }
+#endif
static inline void ide_set_max_pio(ide_drive_t *drive)
{
static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive)
{
- ide_drive_t *peer = &drive->hwif->drives[(drive->dn ^ 1) & 1];
+ ide_drive_t *peer = drive->hwif->devices[(drive->dn ^ 1) & 1];
return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL;
}
+
+#define ide_port_for_each_dev(i, dev, port) \
+ for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++)
+
+#define ide_port_for_each_present_dev(i, dev, port) \
+ for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++) \
+ if ((dev)->dev_flags & IDE_DFLAG_PRESENT)
+
+#define ide_host_for_each_port(i, port, host) \
+ for ((i) = 0; ((port) = (host)->ports[i]) || (i) < MAX_HOST_PORTS; (i)++)
+
#endif /* _IDE_H */
Code Review / linux-2.6.git / blobdiff