/* * Sleep at least postsleep_min_us useconds, and at most * postsleep_max_us useconds *after* issuing command. Needed for * some read commands for which cards have no other way of indicating * they're ready for the next command (i.e. there is no equivalent of * a "busy" indicator for read operations).
*/ unsignedint postsleep_min_us; unsignedint postsleep_max_us;
/* * Override driver-computed timeouts. Note the difference in units!
*/ unsignedint data_timeout_ns; unsignedint cmd_timeout_ms;
/* * For 64-bit machines, the next member, ``__u64 data_ptr``, wants to * be 8-byte aligned. Make sure this struct is the same size when * built for 32-bit.
*/
__u32 __pad;
/** * struct mmc_ioc_multi_cmd - multi command information * @num_of_cmds: Number of commands to send. Must be equal to or less than * MMC_IOC_MAX_CMDS. * @cmds: Array of commands with length equal to 'num_of_cmds'
*/ struct mmc_ioc_multi_cmd {
__u64 num_of_cmds; struct mmc_ioc_cmd cmds[];
};
#define MMC_IOC_CMD _IOWR(MMC_BLOCK_MAJOR, 0, struct mmc_ioc_cmd) /* * MMC_IOC_MULTI_CMD: Used to send an array of MMC commands described by * the structure mmc_ioc_multi_cmd. The MMC driver will issue all * commands in array in sequence to card.
*/ #define MMC_IOC_MULTI_CMD _IOWR(MMC_BLOCK_MAJOR, 1, struct mmc_ioc_multi_cmd) /* * Since this ioctl is only meant to enhance (and not replace) normal access * to the mmc bus device, an upper data transfer limit of MMC_IOC_MAX_BYTES * is enforced per ioctl call. For larger data transfers, use the normal * block device operations.
*/ #define MMC_IOC_MAX_BYTES (512L * 1024) #define MMC_IOC_MAX_CMDS 255 #endif/* LINUX_MMC_IOCTL_H */
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