diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-12 22:07:40 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-12 22:07:40 -0400 |
commit | 125aae1d7f51ee28d821a1374a2b7be13972c5dc (patch) | |
tree | cd366e9940f8fdff1c8dc23eaac2ec9b272b9fa3 /include/uapi/linux | |
parent | 79c63eeb805d086f52e5efda9c8d321beeed0b2b (diff) | |
parent | 60fe5771be6aa3f37d5887aa01c04f733130a559 (diff) |
Merge tag 'mmc-merge-for-3.7-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull two more mmc changes from Chris Ball:
- Disintegrate UAPI
- fix a mismerge that caused a build error.
* tag 'mmc-merge-for-3.7-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
UAPI: (Scripted) Disintegrate include/linux/mmc
mmc: mxs-mmc: Fix merge issue causing build error
Diffstat (limited to 'include/uapi/linux')
-rw-r--r-- | include/uapi/linux/mmc/Kbuild | 1 | ||||
-rw-r--r-- | include/uapi/linux/mmc/ioctl.h | 57 |
2 files changed, 58 insertions, 0 deletions
diff --git a/include/uapi/linux/mmc/Kbuild b/include/uapi/linux/mmc/Kbuild index aafaa5aa54d4..8c1d2cb75e33 100644 --- a/include/uapi/linux/mmc/Kbuild +++ b/include/uapi/linux/mmc/Kbuild | |||
@@ -1 +1,2 @@ | |||
1 | # UAPI Header export list | 1 | # UAPI Header export list |
2 | header-y += ioctl.h | ||
diff --git a/include/uapi/linux/mmc/ioctl.h b/include/uapi/linux/mmc/ioctl.h new file mode 100644 index 000000000000..1f5e68923929 --- /dev/null +++ b/include/uapi/linux/mmc/ioctl.h | |||
@@ -0,0 +1,57 @@ | |||
1 | #ifndef LINUX_MMC_IOCTL_H | ||
2 | #define LINUX_MMC_IOCTL_H | ||
3 | |||
4 | #include <linux/types.h> | ||
5 | |||
6 | struct mmc_ioc_cmd { | ||
7 | /* Implies direction of data. true = write, false = read */ | ||
8 | int write_flag; | ||
9 | |||
10 | /* Application-specific command. true = precede with CMD55 */ | ||
11 | int is_acmd; | ||
12 | |||
13 | __u32 opcode; | ||
14 | __u32 arg; | ||
15 | __u32 response[4]; /* CMD response */ | ||
16 | unsigned int flags; | ||
17 | unsigned int blksz; | ||
18 | unsigned int blocks; | ||
19 | |||
20 | /* | ||
21 | * Sleep at least postsleep_min_us useconds, and at most | ||
22 | * postsleep_max_us useconds *after* issuing command. Needed for | ||
23 | * some read commands for which cards have no other way of indicating | ||
24 | * they're ready for the next command (i.e. there is no equivalent of | ||
25 | * a "busy" indicator for read operations). | ||
26 | */ | ||
27 | unsigned int postsleep_min_us; | ||
28 | unsigned int postsleep_max_us; | ||
29 | |||
30 | /* | ||
31 | * Override driver-computed timeouts. Note the difference in units! | ||
32 | */ | ||
33 | unsigned int data_timeout_ns; | ||
34 | unsigned int cmd_timeout_ms; | ||
35 | |||
36 | /* | ||
37 | * For 64-bit machines, the next member, ``__u64 data_ptr``, wants to | ||
38 | * be 8-byte aligned. Make sure this struct is the same size when | ||
39 | * built for 32-bit. | ||
40 | */ | ||
41 | __u32 __pad; | ||
42 | |||
43 | /* DAT buffer */ | ||
44 | __u64 data_ptr; | ||
45 | }; | ||
46 | #define mmc_ioc_cmd_set_data(ic, ptr) ic.data_ptr = (__u64)(unsigned long) ptr | ||
47 | |||
48 | #define MMC_IOC_CMD _IOWR(MMC_BLOCK_MAJOR, 0, struct mmc_ioc_cmd) | ||
49 | |||
50 | /* | ||
51 | * Since this ioctl is only meant to enhance (and not replace) normal access | ||
52 | * to the mmc bus device, an upper data transfer limit of MMC_IOC_MAX_BYTES | ||
53 | * is enforced per ioctl call. For larger data transfers, use the normal | ||
54 | * block device operations. | ||
55 | */ | ||
56 | #define MMC_IOC_MAX_BYTES (512L * 256) | ||
57 | #endif /* LINUX_MMC_IOCTL_H */ | ||