diff options
| author | Maya Erez <merez@codeaurora.org> | 2013-04-18 16:41:55 +0400 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-05-26 22:23:13 +0400 |
| commit | 775a9362b5d7e006ff6bbec5cb9c9c9d5a751696 (patch) | |
| tree | 78d66b7a04b5e339c2e0faa24290f72eb8f8bae4 /include/linux/mmc/core.h | |
| parent | b689167984bc14ed06c8bcff52ef5eb1fd9cf83b (diff) | |
| download | linux-775a9362b5d7e006ff6bbec5cb9c9c9d5a751696.tar.xz | |
mmc: card: Adding support for sanitize in eMMC 4.5
The sanitize support is added as a user-app ioctl call, and
was removed from the block-device request, since its purpose is
to be invoked not via File-System but by a user.
This feature deletes the unmap memory region of the eMMC card,
by writing to a specific register in the EXT_CSD.
unmap region is the memory region that was previously deleted
(by erase, trim or discard operation).
In order to avoid timeout when sanitizing large-scale cards,
the timeout for sanitize operation is 240 seconds.
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include/linux/mmc/core.h')
| -rw-r--r-- | include/linux/mmc/core.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 39613b9a6fc5..bd06ff566bfc 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -96,6 +96,8 @@ struct mmc_command { */ unsigned int cmd_timeout_ms; /* in milliseconds */ + /* Set this flag only for blocking sanitize request */ + bool sanitize_busy; struct mmc_data *data; /* data segment associated with cmd */ struct mmc_request *mrq; /* associated request */ |