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STRUCT SPI_FLASH_REA(9) Serial Peripheral Interface (S STRUCT SPI_FLASH_REA(9)

NAME

struct_spi_flash_read_message - flash specific information for spi-masters that provide accelerated flash read interfaces

SYNOPSIS

struct spi_flash_read_message {
  void * buf;
  loff_t from;
  size_t len;
  size_t retlen;
  u8 read_opcode;
  u8 addr_width;
  u8 dummy_bytes;
  u8 opcode_nbits;
  u8 addr_nbits;
  u8 data_nbits;
  struct sg_table rx_sg;
  bool cur_msg_mapped;
};

MEMBERS

buf
buffer to read data
from
offset within the flash from where data is to be read
len
length of data to be read
retlen
actual length of data read
read_opcode
read_opcode to be used to communicate with flash
addr_width
number of address bytes
dummy_bytes
number of dummy bytes
opcode_nbits
number of lines to send opcode
addr_nbits
number of lines to send address
data_nbits
number of lines for data
rx_sg
Scatterlist for receive data read from flash
cur_msg_mapped
message has been mapped for DMA

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.