diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 347 |
1 files changed, 175 insertions, 172 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 25087ae..a5d26f6 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -26,7 +26,7 @@ #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 @@ -40,6 +40,13 @@ #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 */ @@ -193,42 +200,8 @@ static inline void ide_std_init_ports(hw_regs_t *hw, 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 */ @@ -268,56 +241,52 @@ typedef enum { 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_FEATURE = (1 << 1), + IDE_TFLAG_OUT_HOB_NSECT = (1 << 2), + IDE_TFLAG_OUT_HOB_LBAL = (1 << 3), + IDE_TFLAG_OUT_HOB_LBAM = (1 << 4), + IDE_TFLAG_OUT_HOB_LBAH = (1 << 5), 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_FEATURE = (1 << 6), + IDE_TFLAG_OUT_NSECT = (1 << 7), + IDE_TFLAG_OUT_LBAL = (1 << 8), + IDE_TFLAG_OUT_LBAM = (1 << 9), + IDE_TFLAG_OUT_LBAH = (1 << 10), 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_OUT_DEVICE = (1 << 11), + IDE_TFLAG_WRITE = (1 << 12), + IDE_TFLAG_CUSTOM_HANDLER = (1 << 13), + IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 14), + IDE_TFLAG_IN_HOB_ERROR = (1 << 15), + IDE_TFLAG_IN_HOB_NSECT = (1 << 16), + IDE_TFLAG_IN_HOB_LBAL = (1 << 17), + IDE_TFLAG_IN_HOB_LBAM = (1 << 18), + IDE_TFLAG_IN_HOB_LBAH = (1 << 19), 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 = IDE_TFLAG_IN_HOB_ERROR | 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_ERROR = (1 << 20), + IDE_TFLAG_IN_NSECT = (1 << 21), + IDE_TFLAG_IN_LBAL = (1 << 22), + IDE_TFLAG_IN_LBAM = (1 << 23), + IDE_TFLAG_IN_LBAH = (1 << 24), 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_IN_DEVICE = (1 << 25), IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB | IDE_TFLAG_IN_HOB, IDE_TFLAG_TF = IDE_TFLAG_OUT_TF | @@ -325,15 +294,28 @@ enum { IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE | IDE_TFLAG_IN_DEVICE, /* 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 << 26), + /* struct ide_cmd was allocated using kmalloc() */ + IDE_TFLAG_DYN = (1 << 27), + IDE_TFLAG_FS = (1 << 28), + IDE_TFLAG_MULTI_PIO = (1 << 29), +}; + +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), }; 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 hob_feature; /* 1-5: additional data to support LBA48 */ u8 hob_nsect; u8 hob_lbal; u8 hob_lbam; @@ -359,16 +341,29 @@ struct ide_taskfile { }; }; -typedef struct ide_task_s { +struct ide_cmd { union { struct ide_taskfile tf; u8 tf_array[14]; }; + u8 ftf_flags; /* for TASKFILE ioctl */ u32 tf_flags; - int data_phase; + int protocol; + + int sg_nents; /* number of sg entries */ + int orig_sg_nents; + int sg_dma_direction; /* DMA transfer direction */ + + unsigned int nbytes; + unsigned int nleft; + unsigned int last_xfer_len; + + struct scatterlist *cursg; + unsigned int cursg_ofs; + struct request *rq; /* copy of request */ void *special; /* valid_t generally */ -} ide_task_t; +}; /* ATAPI packet command flags */ enum { @@ -380,15 +375,13 @@ 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 { @@ -426,9 +419,6 @@ struct ide_atapi_pc { struct idetape_bh *bh; char *b_data; - struct scatterlist *sg; - unsigned int sg_cnt; - unsigned long timeout; }; @@ -452,7 +442,6 @@ struct ide_disk_ops { 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); }; @@ -470,11 +459,6 @@ enum { 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. */ @@ -528,8 +512,6 @@ enum { 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), @@ -621,7 +603,7 @@ struct ide_drive_s { 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) */ @@ -643,8 +625,11 @@ struct ide_drive_s { /* 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 *, @@ -674,16 +659,16 @@ struct ide_tp_ops { void (*exec_command)(struct hwif_s *, u8); u8 (*read_status)(struct hwif_s *); u8 (*read_altstatus)(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_cmd *); + void (*tf_read)(ide_drive_t *, struct ide_cmd *); - 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; @@ -694,7 +679,6 @@ 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 @@ -711,7 +695,6 @@ struct ide_port_ops { 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 *); @@ -727,13 +710,15 @@ struct ide_port_ops { 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. @@ -796,19 +781,8 @@ typedef struct hwif_s { /* 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 orig_sg_nents; - 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 */ @@ -866,9 +840,18 @@ struct ide_host { 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 */ @@ -885,7 +868,7 @@ typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); 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; @@ -1061,10 +1044,11 @@ enum { }; /* 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); \ } /* @@ -1103,7 +1087,7 @@ int generic_ide_resume(struct device *); 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 *); /* @@ -1115,7 +1099,6 @@ 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 *); @@ -1146,16 +1129,15 @@ int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned l 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); @@ -1169,41 +1151,36 @@ int ide_busy_sleep(ide_hwif_t *, unsigned long, 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_exec_command(ide_hwif_t *, u8); u8 ide_read_status(ide_hwif_t *); u8 ide_read_altstatus(ide_hwif_t *); +void ide_write_devctl(ide_hwif_t *, u8); -void ide_set_irq(ide_hwif_t *, int); +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 *, ide_task_t *); -void ide_tf_read(ide_drive_t *, ide_task_t *); +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); -void ide_input_data(ide_drive_t *, struct request *, void *, unsigned int); -void ide_output_data(ide_drive_t *, struct request *, void *, unsigned int); - -int ide_io_buffers(ide_drive_t *, struct ide_atapi_pc *, unsigned int, 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 *); @@ -1240,16 +1217,20 @@ int ide_cd_expiry(ide_drive_t *); 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); @@ -1280,7 +1261,7 @@ static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev) 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 *); @@ -1349,10 +1330,10 @@ enum { 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 */ @@ -1380,7 +1361,12 @@ enum { 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 *, @@ -1397,6 +1383,9 @@ struct ide_port_info { u16 max_sectors; /* if < than the default one */ u32 host_flags; + + int irq_flags; + u8 pio_mask; u8 swdma_mask; u8 mwdma_mask; @@ -1416,8 +1405,8 @@ int ide_pci_resume(struct pci_dev *); #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 @@ -1451,18 +1440,18 @@ ide_startstop_t ide_dma_intr(ide_drive_t *); 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 @@ -1470,7 +1459,7 @@ 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; } @@ -1482,21 +1471,29 @@ static inline void ide_dma_on(ide_drive_t *drive) { ; } 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 @@ -1530,9 +1527,7 @@ static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data) 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); u8 ide_dump_status(ide_drive_t *, const char *, u8); @@ -1571,14 +1566,18 @@ void ide_timing_merge(struct ide_timing *, 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) { @@ -1611,6 +1610,10 @@ static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive) #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)++) |
