ring: support sqe128, cqe32 index array

* fix: minor code typo

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 gouring Author
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

hdr_test.go

@@ -0,0 +1,13 @@
+package gouring
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDataSize(t *testing.T) {
+
+	assert.Equal(t, 64, int(SizeofIoUringSqe), "sqe data size mismatch")
+	assert.Equal(t, 16, int(SizeofIoUringCqe), "cqe data size mismatch")
+}

queue.go

@@ -234,7 +234,7 @@ func (ring *IoUring) io_uring_wait_cqes_new(cqePtr **IoUringCqe, waitNtr uint32,
 func (ring *IoUring) __io_uring_submit_timeout(waitNr uint32, ts *syscall.Timespec) (ret int, err error) {
 	sqe := ring.io_uring_get_sqe()
 	if sqe == nil {
-		ret, err = ring.io_uringn_submit()
+		ret, err = ring.io_uring_submit()
 		if err != nil {
 			return
 		}
@@ -309,7 +309,7 @@ func (ring *IoUring) io_uring_wait_cqe_timeout(cqePtr **IoUringCqe, ts *syscall.
  *
  * Returns number of sqes submitted
  */
-func (ring *IoUring) io_uringn_submit() (int, error) {
+func (ring *IoUring) io_uring_submit() (int, error) {
 	return ring.__io_uring_submit_and_wait(0)
 }
 

queue_test.go

@@ -151,7 +151,7 @@ func TestRingQueueSubmitSingleConsumer(t *testing.T) {
 			}
 
 			submit := func(t *testing.T, opt *IoUringParams, h *IoUring, expectedSubmitCount int) {
-				submitted, err := h.io_uringn_submit()
+				submitted, err := h.io_uring_submit()
 				assert.NoError(t, err)
 				if opt.Flags&IORING_SETUP_SQPOLL == 0 {
 					assert.Equal(t, expectedSubmitCount, submitted)

uring.go

@@ -40,7 +40,7 @@ func (h *IoUring) SeenCqe(cqe *IoUringCqe) {
 }
 
 func (h *IoUring) Submit() (int, error) {
-	return h.io_uringn_submit()
+	return h.io_uring_submit()
 }
 
 func (h *IoUring) SubmitAndWait(waitNr uint32) (int, error) {

util_ptr_arith.go

@@ -16,6 +16,10 @@ func ioUringSqeArray_Index(u ioUringSqeArray, i uintptr) *IoUringSqe {
 	return (*IoUringSqe)(unsafe.Pointer(uintptr(unsafe.Pointer(u)) + SizeofIoUringSqe*i))
 }
 
+func ioUringSqe128Array_Index(u ioUringSqeArray, i uintptr) *IoUringSqe {
+	return (*IoUringSqe)(unsafe.Pointer(uintptr(unsafe.Pointer(u)) + (SizeofIoUringSqe+64)*i))
+}
+
 //
 
 type ioUringCqeArray = unsafe.Pointer // *IoUringCqe
@@ -24,6 +28,10 @@ func ioUringCqeArray_Index(u ioUringCqeArray, i uintptr) *IoUringCqe {
 	return (*IoUringCqe)(unsafe.Pointer(uintptr(unsafe.Pointer(u)) + SizeofIoUringCqe*i))
 }
 
+func ioUringCqe32Array_Index(u ioUringCqeArray, i uintptr) *IoUringCqe {
+	return (*IoUringCqe)(unsafe.Pointer(uintptr(unsafe.Pointer(u)) + (SizeofIoUringCqe+SizeofIoUringCqe)*i))
+}
+
 //
 
 type UserData [8]byte // uint64