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Diffstat (limited to 'Documentation/powerpc/cxlflash.txt')
| -rw-r--r-- | Documentation/powerpc/cxlflash.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/powerpc/cxlflash.txt b/Documentation/powerpc/cxlflash.txt index 66b4496d6619..f9036cb0170d 100644 --- a/Documentation/powerpc/cxlflash.txt +++ b/Documentation/powerpc/cxlflash.txt @@ -257,6 +257,12 @@ DK_CXLFLASH_VLUN_RESIZE operating in the virtual mode and used to program a LUN translation table that the AFU references when provided with a resource handle. + This ioctl can return -EAGAIN if an AFU sync operation takes too long. + In addition to returning a failure to user, cxlflash will also schedule + an asynchronous AFU reset. Should the user choose to retry the operation, + it is expected to succeed. If this ioctl fails with -EAGAIN, the user + can either retry the operation or treat it as a failure. + DK_CXLFLASH_RELEASE ------------------- This ioctl is responsible for releasing a previously obtained @@ -309,6 +315,12 @@ DK_CXLFLASH_VLUN_CLONE clone. This is to avoid a stale entry in the file descriptor table of the child process. + This ioctl can return -EAGAIN if an AFU sync operation takes too long. + In addition to returning a failure to user, cxlflash will also schedule + an asynchronous AFU reset. Should the user choose to retry the operation, + it is expected to succeed. If this ioctl fails with -EAGAIN, the user + can either retry the operation or treat it as a failure. + DK_CXLFLASH_VERIFY ------------------ This ioctl is used to detect various changes such as the capacity of |