diff options
author | Thomas Gleixner <[email protected]> | 2018-06-22 21:20:35 +0200 |
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committer | Thomas Gleixner <[email protected]> | 2018-06-22 21:20:35 +0200 |
commit | 7731b8bc94e599c9a79e428f3359ff2c34b7576a (patch) | |
tree | 879f18ccbe274122f2d4f095b43cbc7f953e0ada /include/uapi/linux/target_core_user.h | |
parent | 48e315618dc4dc8904182cd221e3d395d5d97005 (diff) | |
parent | 9ffc59d57228d74809700be6f7ecb1db10292f05 (diff) |
Merge branch 'linus' into x86/urgent
Required to queue a dependent fix.
Diffstat (limited to 'include/uapi/linux/target_core_user.h')
-rw-r--r-- | include/uapi/linux/target_core_user.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/include/uapi/linux/target_core_user.h b/include/uapi/linux/target_core_user.h index 0be80f72646b..6e299349b158 100644 --- a/include/uapi/linux/target_core_user.h +++ b/include/uapi/linux/target_core_user.h @@ -9,21 +9,22 @@ #define TCMU_VERSION "2.0" -/* +/** + * DOC: Ring Design * Ring Design * ----------- * * The mmaped area is divided into three parts: - * 1) The mailbox (struct tcmu_mailbox, below) - * 2) The command ring - * 3) Everything beyond the command ring (data) + * 1) The mailbox (struct tcmu_mailbox, below); + * 2) The command ring; + * 3) Everything beyond the command ring (data). * * The mailbox tells userspace the offset of the command ring from the * start of the shared memory region, and how big the command ring is. * * The kernel passes SCSI commands to userspace by putting a struct * tcmu_cmd_entry in the ring, updating mailbox->cmd_head, and poking - * userspace via uio's interrupt mechanism. + * userspace via UIO's interrupt mechanism. * * tcmu_cmd_entry contains a header. If the header type is PAD, * userspace should skip hdr->length bytes (mod cmdr_size) to find the |