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Searched refs:cmdr_size (Results 1 – 3 of 3) sorted by relevance

/linux-4.1.27/drivers/target/
Dtarget_core_user.c90 u32 cmdr_size; member
242 cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ in is_ring_space_avail()
248 if (head_to_end(cmd_head, udev->cmdr_size) >= cmd_size) in is_ring_space_avail()
251 cmd_needed = cmd_size + head_to_end(cmd_head, udev->cmdr_size); in is_ring_space_avail()
253 space = spc_free(cmd_head, udev->cmdr_last_cleaned, udev->cmdr_size); in is_ring_space_avail()
256 udev->cmdr_last_cleaned, udev->cmdr_size); in is_ring_space_avail()
305 cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ in tcmu_queue_cmd_ring()
306 if ((command_size > (udev->cmdr_size / 2)) in tcmu_queue_cmd_ring()
310 udev->cmdr_size, udev->data_size); in tcmu_queue_cmd_ring()
330 cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ in tcmu_queue_cmd_ring()
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/linux-4.1.27/include/uapi/linux/
Dtarget_core_user.h53 __u32 cmdr_size; member
/linux-4.1.27/Documentation/target/
Dtcmu-design.txt123 cmdr_size - The size of the command ring. This does *not* need to be a
133 mailbox.cmd_head by the size of the command, modulo cmdr_size, and
162 mailbox.cmd_tail by entry.hdr.length (mod cmdr_size) and signals the
350 mb->cmd_tail = (mb->cmd_tail + tcmu_hdr_get_len(&ent->hdr)) % mb->cmdr_size;