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….
struct_jbd2_inode – Synopsis struct jbd2_inode { }; Members Description present in a transaction so that we can sync them during commit. Authors Roger Gammans <rgammans [at] computer-surgery.co.uk> Author. Stephen Tweedie <sct [at] redhat.com> Author. Copyright
struct_irqaction – per interrupt action descriptor Synopsis struct irqaction { irq_handler_t handler; void *dev_id; void __percpu *percpu_dev_id; struct irqaction *next; irq_handler_t thread_fn; struct task_struct *thread; struct irqaction *secondary; unsigned int irq; unsigned int flags; unsigned long thread_flags; unsigned long thread_mask; const char *name; struct proc_dir_entry *dir; }; Members handler interrupt handler function dev_id cookie to…
struct_irq_data – per irq chip data passed down to chip functions Synopsis struct irq_data { u32 mask; unsigned int irq; unsigned long hwirq; struct irq_common_data *common; struct irq_chip *chip; struct irq_domain *domain; #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY struct irq_data *parent_data; #endif void *chip_data; }; Members mask precomputed bitmask for accessing the chip registers irq interrupt number hwirq hardware…
struct_irq_common_data – per irq data shared by all irqchips Synopsis struct irq_common_data { unsigned int __private state_use_accessors; #ifdef CONFIG_NUMA unsigned int node; #endif void *handler_data; struct msi_desc *msi_desc; cpumask_var_t affinity; #ifdef CONFIG_GENERIC_IRQ_IPI unsigned int ipi_offset; #endif }; Members state_use_accessors status information for irq chip functions. Use accessor functions to deal with it node node index…
struct_irq_chip_type – Generic interrupt chip instance for a flow type Synopsis struct irq_chip_type { struct irq_chip chip; struct irq_chip_regs regs; irq_flow_handler_t handler; u32 type; u32 mask_cache_priv; u32 *mask_cache; }; Members chip The real interrupt chip which provides the callbacks regs Register offsets for this chip handler Flow handler associated with this chip type Chip can…
struct_irq_chip_regs – register offsets for struct irq_gci Synopsis struct irq_chip_regs { unsigned long enable; unsigned long disable; unsigned long mask; unsigned long ack; unsigned long eoi; unsigned long type; unsigned long polarity; }; Members enable Enable register offset to reg_base disable Disable register offset to reg_base mask Mask register offset to reg_base ack Ack register…