Linux Manuals session 9

struct_regulation_constraints – regulator operating constraints. Synopsis struct regulation_constraints { const char *name; int min_uV; int max_uV; int uV_offset; int min_uA; int max_uA; int ilim_uA; int system_load; unsigned int valid_modes_mask; unsigned int valid_ops_mask; int input_uV; struct regulator_state state_disk; struct regulator_state state_mem; struct regulator_state state_standby; suspend_state_t initial_state; unsigned int initial_mode; unsigned int ramp_delay; unsigned int enable_time; unsigned…

struct_pre_voltage_change_data – Data sent with PRE_VOLTAGE_CHANGE event Synopsis struct pre_voltage_change_data { unsigned long old_uV; unsigned long min_uV; unsigned long max_uV; }; Members old_uV Current voltage before change. min_uV Min voltage we’ll change to. max_uV Max voltage we’ll change to. Authors Liam Girdwood <lrg [at] slimlogic.co.uk> Author. Mark Brown <broonie [at] opensource.wolfsonmicro.com> Wolfson Microelectronics,    Author….

struct_platform_nand_data – container structure for platform-specific data Synopsis struct platform_nand_data { struct platform_nand_chip chip; struct platform_nand_ctrl ctrl; }; Members chip chip level chip structure ctrl controller level device structure Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright

struct_platform_nand_ctrl – controller level device structure Synopsis struct platform_nand_ctrl { int (*probe)(struct platform_device *pdev); void (*remove)(struct platform_device *pdev); void (*hwcontrol)(struct mtd_info *mtd, int cmd); int (*dev_ready)(struct mtd_info *mtd); void (*select_chip)(struct mtd_info *mtd, int chip); void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl); void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len); void (*read_buf)(struct mtd_info…

struct_platform_nand_chip – chip level device structure Synopsis struct platform_nand_chip { int nr_chips; int chip_offset; int nr_partitions; struct mtd_partition *partitions; int chip_delay; unsigned int options; unsigned int bbt_options; const char **part_probe_types; }; Members nr_chips max. number of chips to scan for chip_offset chip number offset nr_partitions number of partitions pointed to by partitions (or zero) partitions…

struct_pipe_inode_info – a linux kernel pipe Synopsis struct pipe_inode_info { struct mutex mutex; wait_queue_head_t wait; unsigned int nrbufs; unsigned int curbuf; unsigned int buffers; unsigned int readers; unsigned int writers; unsigned int files; unsigned int waiting_writers; unsigned int r_counter; unsigned int w_counter; struct page *tmp_page; struct fasync_struct *fasync_readers; struct fasync_struct *fasync_writers; struct pipe_buffer *bufs; struct…

struct_pipe_buffer – a linux kernel pipe buffer Synopsis struct pipe_buffer { struct page *page; unsigned int offset; unsigned int len; const struct pipe_buf_operations *ops; unsigned int flags; unsigned long private; }; Members page the page containing the data for the pipe buffer offset offset of data inside the page len length of data inside the…

struct_net_device – The DEVICE structure. Actually, this whole structure is a big mistake. It mixes I/O data with strictly “high-level” data, and it has to know about almost every data structure used in the INET module. Synopsis struct net_device { char name[IFNAMSIZ]; struct hlist_node name_hlist; char *ifalias; unsigned long mem_end; unsigned long mem_start; unsigned long…

struct_nand_sdr_timings – SDR NAND chip timings Synopsis struct nand_sdr_timings { u32 tALH_min; u32 tADL_min; u32 tALS_min; u32 tAR_min; u32 tCEA_max; u32 tCH_min; u32 tCHZ_max; u32 tCLH_min; u32 tCLR_min; u32 tCLS_min; u32 tCOH_min; u32 tCS_min; u32 tDH_min; u32 tDS_min; u32 tFEAT_max; u32 tIR_min; u32 tITC_max; u32 tRC_min; u32 tREA_max; u32 tREH_min; u32 tRHOH_min; u32 tRHW_min; u32…

struct_nand_manufacturers – NAND Flash Manufacturer ID Structure Synopsis struct nand_manufacturers { int id; char *name; }; Members id manufacturer ID code of device. name Manufacturer name Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright

struct_nand_hw_control – Control structure for hardware controller (e.g ECC generator) shared among independent devices Synopsis struct nand_hw_control { spinlock_t lock; struct nand_chip *active; wait_queue_head_t wq; }; Members lock protection lock active the mtd device which holds the controller currently wq wait queue to sleep on if a NAND operation is in progress used instead of…

struct_nand_flash_dev – NAND Flash Device ID Structure Synopsis struct nand_flash_dev { char *name; union ecc; int onfi_timing_mode_default; }; Members name a human-readable name of the NAND chip ecc The ECC step required by the ecc.strength_ds, same as the ecc_step_ds in nand_chip{}, also from the datasheet. For example, the “4bit ECC for each 512Byte” can be…

struct_nand_ecc_ctrl – Control structure for ECC Synopsis struct nand_ecc_ctrl { nand_ecc_modes_t mode; enum nand_ecc_algo algo; int steps; int size; int bytes; int total; int strength; int prepad; int postpad; unsigned int options; void *priv; void (*hwctl)(struct mtd_info *mtd, int mode); int (*calculate)(struct mtd_info *mtd, const uint8_t *dat, uint8_t *ecc_code); int (*correct)(struct mtd_info *mtd, uint8_t *dat,…

struct_nand_data_interface – NAND interface timing Synopsis struct nand_data_interface { enum nand_data_interface_type type; union timings; }; Members type type of the timing timings The timing, type according to type Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright

struct_nand_chip – NAND Private Flash Chip Data Synopsis struct nand_chip { struct mtd_info mtd; void __iomem *IO_ADDR_R; void __iomem *IO_ADDR_W; uint8_t (*read_byte)(struct mtd_info *mtd); u16 (*read_word)(struct mtd_info *mtd); void (*write_byte)(struct mtd_info *mtd, uint8_t byte); void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len); void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len); void (*select_chip)(struct mtd_info *mtd,…

struct_nand_buffers – buffer structure for read/write Synopsis struct nand_buffers { uint8_t *ecccalc; uint8_t *ecccode; uint8_t *databuf; }; Members ecccalc buffer pointer for calculated ECC, size is oobsize. ecccode buffer pointer for ECC read from flash, size is oobsize. databuf buffer pointer for data, size is (page size + oobsize). Description Do not change the order…

struct_kgdb_io – Describe the interface for an I/O driver to talk with KGDB. Synopsis struct kgdb_io { const char *name; int (*read_char)(void); void (*write_char)(u8); void (*flush)(void); int (*init)(void); void (*pre_exception)(void); void (*post_exception)(void); int is_console; }; Members name Name of the I/O driver. read_char Pointer to a function that will return one char. write_char Pointer to…

struct_kgdb_arch – Describe architecture specific values. Synopsis struct kgdb_arch { unsigned char gdb_bpt_instr[BREAK_INSTR_SIZE]; unsigned long flags; int (*set_breakpoint)(unsigned long, char *); int (*remove_breakpoint)(unsigned long, char *); int (*set_hw_breakpoint)(unsigned long, int, enum kgdb_bptype); int (*remove_hw_breakpoint)(unsigned long, int, enum kgdb_bptype); void (*disable_hw_break)(struct pt_regs *regs); void (*remove_all_hw_break)(void); void (*correct_hw_break)(void); void (*enable_nmi)(bool on); }; Members gdb_bpt_instr[BREAK_INSTR_SIZE] The instruction to…

struct_journal_s – The journal_s type is the concrete type associated with journal_t. Synopsis struct journal_s { unsigned long j_flags; int j_errno; struct buffer_head *j_sb_buffer; journal_superblock_t *j_superblock; int j_format_version; rwlock_t j_state_lock; int j_barrier_count; struct mutex j_barrier; transaction_t *j_running_transaction; transaction_t *j_committing_transaction; transaction_t *j_checkpoint_transactions; wait_queue_head_t j_wait_transaction_locked; wait_queue_head_t j_wait_done_commit; wait_queue_head_t j_wait_commit; wait_queue_head_t j_wait_updates; wait_queue_head_t j_wait_reserved; struct mutex j_checkpoint_mutex; unsigned…

struct_jbd2_journal_handle – The handle_s type is the concrete type associated with handle_t. Synopsis struct jbd2_journal_handle { union { unnamed_union }; int h_buffer_credits; int h_ref; int h_err; unsigned int h_sync : 1; unsigned int h_jdata : 1; unsigned int h_aborted : 1; }; Members {unnamed_union} anonymous h_buffer_credits Number of remaining buffers we are allowed to dirty….