.. _rb_cqm_event: ================================== Event queue manager register block ================================== The event queue manager register block has a header with type 0x0000C010, version 0x00000100, and indicates the location of the event queue manager registers and number of event queues. .. table:: ======== ============= ====== ====== ====== ====== ============= Address Field 31..24 23..16 15..8 7..0 Reset value ======== ============= ====== ====== ====== ====== ============= RBB+0x00 Type Vendor ID Type RO 0x0000C010 -------- ------------- -------------- -------------- ------------- RBB+0x04 Version Major Minor Patch Meta RO 0x00000100 -------- ------------- ------ ------ ------ ------ ------------- RBB+0x08 Next pointer Pointer to next register block RO - -------- ------------- ------------------------------ ------------- RBB+0x0C Offset Offset to queue manager RO - -------- ------------- ------------------------------ ------------- RBB+0x10 Count Queue count RO - -------- ------------- ------------------------------ ------------- RBB+0x14 Stride Queue control register stride RO 0x00000020 ======== ============= ============================== ============= See :ref:`rb_overview` for definitions of the standard register block header fields. .. object:: Offset The offset field contains the offset to the start of the event queue manager region, relative to the start of the current region. .. table:: ======== ====== ====== ====== ====== ============= Address 31..24 23..16 15..8 7..0 Reset value ======== ====== ====== ====== ====== ============= RBB+0x0C Offset to queue manager RO - ======== ============================== ============= .. object:: Count The count field contains the number of queues. .. table:: ======== ====== ====== ====== ====== ============= Address 31..24 23..16 15..8 7..0 Reset value ======== ====== ====== ====== ====== ============= RBB+0x10 Queue count RO - ======== ============================== ============= .. object:: Stride The stride field contains the size of the control registers associated with each queue. .. table:: ======== ====== ====== ====== ====== ============= Address 31..24 23..16 15..8 7..0 Reset value ======== ====== ====== ====== ====== ============= RBB+0x14 Queue control register stride RO 0x00000020 ======== ============================== ============= Event queue manager CSRs ======================== Each queue has several associated control registers, detailed in this table: .. table:: ========= ============== ====== ====== ====== ====== ============= Address Field 31..24 23..16 15..8 7..0 Reset value ========= ============== ====== ====== ====== ====== ============= Base+0x00 Base address L Ring base address (lower 32) RW - --------- -------------- ------------------------------ ------------- Base+0x04 Base address H Ring base address (upper 32) RW - --------- -------------- ------------------------------ ------------- Base+0x08 Control 1 Active Size RW - --------- -------------- ------ ------ ------ ------ ------------- Base+0x0C Control 2 Arm Int index RW - --------- -------------- ------ ------ -------------- ------------- Base+0x10 Head pointer Head pointer RW - --------- -------------- -------------- -------------- ------------- Base+0x14 Tail pointer Tail pointer RW - ========= ============== ============== ============== =============