cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / mmc / ioctl.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/mmc/ioctl.h b/i686-linux-gnu-4.7/usr/include/linux/mmc/ioctl.h
new file mode 100644 (file)
index 0000000..83a8c10
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/mmc/ioctl.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef LINUX_MMC_IOCTL_H
+#define LINUX_MMC_IOCTL_H
+
+#include <linux/types.h>
+#include <linux/major.h>
+
+struct mmc_ioc_cmd {
+       /* Implies direction of data.  true = write, false = read */
+       int write_flag;
+
+       /* Application-specific command.  true = precede with CMD55 */
+       int is_acmd;
+
+       __u32 opcode;
+       __u32 arg;
+       __u32 response[4];  /* CMD response */
+       unsigned int flags;
+       unsigned int blksz;
+       unsigned int blocks;
+
+       /*
+        * 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).
+        */
+       unsigned int postsleep_min_us;
+       unsigned int postsleep_max_us;
+
+       /*
+        * Override driver-computed timeouts.  Note the difference in units!
+        */
+       unsigned int data_timeout_ns;
+       unsigned int 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;
+
+       /* DAT buffer */
+       __u64 data_ptr;
+};
+#define mmc_ioc_cmd_set_data(ic, ptr) ic.data_ptr = (__u64)(unsigned long) ptr
+
+/**
+ * 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[0];
+};
+
+#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 */