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media: atomisp: get rid of an error abstraction layer

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There is an abstraction layer there meant to convert to
the Linux standard error codes. As the driver now use
such errors everywhere. we can get rid of this.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-05-29 08:42:56 +02:00
parent 41022d35dd
commit a86b4936ba
12 changed files with 83 additions and 158 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/media/atomisp/pci/atomisp_cmd.c
View File

@ -16,6 +16,7 @@
*
*
*/
#include <linux/errno.h>
#include <linux/firmware.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
@ -58,7 +59,6 @@
#include "ia_css_types.h"
#include "ia_css_stream.h"
#include "ia_css_debug.h"
#include "error_support.h"
#include "bits.h"
/* We should never need to run the flash for more than 2 frames.

3
drivers/staging/media/atomisp/pci/camera/util/interface/ia_css_util.h
View File

@ -15,8 +15,9 @@
#ifndef __IA_CSS_UTIL_H__
#define __IA_CSS_UTIL_H__
#include <linux/errno.h>
#include <ia_css_err.h>
#include <error_support.h>
#include <type_support.h>
#include <ia_css_frame_public.h>
#include <ia_css_stream_public.h>

29
drivers/staging/media/atomisp/pci/camera/util/src/util.c
View File

@ -20,35 +20,6 @@
/* for ia_css_binary_max_vf_width() */
#include "ia_css_binary.h"
int ia_css_convert_errno(
int in_err)
{
int out_err;
switch (in_err) {
case 0:
out_err = 0;
break;
case EINVAL:
out_err = -EINVAL;
break;
case ENODATA:
out_err = -ENODATA;
break;
case ENOSYS:
case ENOTSUP:
out_err = -EINVAL;
break;
case ENOBUFS:
out_err = -ENOBUFS;
break;
default:
out_err = -EINVAL;
break;
}
return out_err;
}
/* MW: Table look-up ??? */
unsigned int ia_css_util_input_format_bpp(
enum atomisp_input_format format,

39
drivers/staging/media/atomisp/pci/hive_isp_css_include/error_support.h
View File

@ -1,39 +0,0 @@
/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef __ERROR_SUPPORT_H_INCLUDED__
#define __ERROR_SUPPORT_H_INCLUDED__
#include <linux/errno.h>
/*
* Put here everything __KERNEL__ specific not covered in
* "errno.h"
*/
#define ENOTSUP 252
#define verifexit(cond, error_tag) \
do { \
if (!(cond)) { \
goto EXIT; \
} \
} while (0)
#define verifjmpexit(cond) \
do { \
if (!(cond)) { \
goto EXIT; \
} \
} while (0)
#endif /* __ERROR_SUPPORT_H_INCLUDED__ */

16
drivers/staging/media/atomisp/pci/hive_isp_css_include/string_support.h
View File

@ -28,7 +28,7 @@
* @param[in] src_buf. The source buffer
* @param[in] src_size. The size of the source buffer in bytes
* @return 0 on success, error code on failure
* @return EINVAL on Invalid arguments
* @return -EINVAL on Invalid arguments
* @return ERANGE on Destination size too small
*/
static inline int memcpy_s(
@ -39,7 +39,7 @@ static inline int memcpy_s(
{
if ((!src_buf) || (!dest_buf)) {
/* Invalid arguments*/
return EINVAL;
return -EINVAL;
}
if ((dest_size < src_size) || (src_size == 0)) {
@ -84,7 +84,7 @@ static size_t strnlen_s(
* @param[in] src_str. The source buffer
* @param[in] src_size. The size of the source buffer in bytes
* @return Returns 0 on success
* @return Returns EINVAL on invalid arguments
* @return Returns -EINVAL on invalid arguments
* @return Returns ERANGE on destination size too small
*/
static inline int strncpy_s(
@ -97,13 +97,13 @@ static inline int strncpy_s(
if (!dest_str) {
/* Invalid arguments*/
return EINVAL;
return -EINVAL;
}
if ((!src_str) || (dest_size == 0)) {
/* Invalid arguments*/
dest_str[0] = '\0';
return EINVAL;
return -EINVAL;
}
len = strnlen_s(src_str, src_size);
@ -126,7 +126,7 @@ static inline int strncpy_s(
* @param[in] dest_size. The size of the destination buffer in bytes
* @param[in] src_str. The source buffer
* @return Returns 0 on success
* @return Returns EINVAL on invalid arguments
* @return Returns -EINVAL on invalid arguments
* @return Returns ERANGE on destination size too small
*/
static inline int strcpy_s(
@ -138,13 +138,13 @@ static inline int strcpy_s(
if (!dest_str) {
/* Invalid arguments*/
return EINVAL;
return -EINVAL;
}
if ((!src_str) || (dest_size == 0)) {
/* Invalid arguments*/
dest_str[0] = '\0';
return EINVAL;
return -EINVAL;
}
len = strnlen_s(src_str, dest_size);

47
drivers/staging/media/atomisp/pci/runtime/bufq/src/bufq.c
View File

@ -22,7 +22,6 @@
#include "ia_css_debug.h" /* ia_css_debug_dtrace*/
#include "sh_css_internal.h" /* sh_css_queue_type */
#include "sp_local.h" /* sp_address_of */
#include "ia_css_util.h" /* ia_css_convert_errno()*/
#include "sh_css_firmware.h" /* sh_css_sp_fw*/
#define BUFQ_DUMP_FILE_NAME_PREFIX_SIZE 256
@ -334,7 +333,6 @@ int ia_css_bufq_enqueue_buffer(
int queue_id,
uint32_t item)
{
int return_err = 0;
ia_css_queue_t *q;
int error;
@ -349,22 +347,20 @@ int ia_css_bufq_enqueue_buffer(
thread_index);
if (q) {
error = ia_css_queue_enqueue(q, item);
return_err = ia_css_convert_errno(error);
} else {
IA_CSS_ERROR("queue is not initialized");
return_err = -EBUSY;
error = -EBUSY;
}
IA_CSS_LEAVE_ERR_PRIVATE(return_err);
return return_err;
IA_CSS_LEAVE_ERR_PRIVATE(error);
return error;
}
int ia_css_bufq_dequeue_buffer(
int queue_id,
uint32_t *item)
{
int return_err;
int error = 0;
int error;
ia_css_queue_t *q;
IA_CSS_ENTER_PRIVATE("queue_id=%d", queue_id);
@ -379,14 +375,13 @@ int ia_css_bufq_dequeue_buffer(
-1);
if (q) {
error = ia_css_queue_dequeue(q, item);
return_err = ia_css_convert_errno(error);
} else {
IA_CSS_ERROR("queue is not initialized");
return_err = -EBUSY;
error = -EBUSY;
}
IA_CSS_LEAVE_ERR_PRIVATE(return_err);
return return_err;
IA_CSS_LEAVE_ERR_PRIVATE(error);
return error;
}
int ia_css_bufq_enqueue_psys_event(
@ -395,8 +390,8 @@ int ia_css_bufq_enqueue_psys_event(
u8 evt_payload_1,
uint8_t evt_payload_2)
{
int return_err;
int error = 0;
int error = 0;
ia_css_queue_t *q;
IA_CSS_ENTER_PRIVATE("evt_id=%d", evt_id);
@ -409,9 +404,8 @@ int ia_css_bufq_enqueue_psys_event(
error = ia_css_eventq_send(q,
evt_id, evt_payload_0, evt_payload_1, evt_payload_2);
return_err = ia_css_convert_errno(error);
IA_CSS_LEAVE_ERR_PRIVATE(return_err);
return return_err;
IA_CSS_LEAVE_ERR_PRIVATE(error);
return error;
}
int ia_css_bufq_dequeue_psys_event(
@ -433,7 +427,7 @@ int ia_css_bufq_dequeue_psys_event(
}
error = ia_css_eventq_recv(q, item);
return ia_css_convert_errno(error);
return error;
}
int ia_css_bufq_dequeue_isys_event(
@ -455,7 +449,7 @@ int ia_css_bufq_dequeue_isys_event(
return -EBUSY;
}
error = ia_css_eventq_recv(q, item);
return ia_css_convert_errno(error);
return error;
#else
(void)item;
return -EBUSY;
@ -465,7 +459,6 @@ int ia_css_bufq_dequeue_isys_event(
int ia_css_bufq_enqueue_isys_event(uint8_t evt_id)
{
#if !defined(HAS_NO_INPUT_SYSTEM)
int return_err;
int error = 0;
ia_css_queue_t *q;
@ -477,9 +470,9 @@ int ia_css_bufq_enqueue_isys_event(uint8_t evt_id)
}
error = ia_css_eventq_send(q, evt_id, 0, 0, 0);
return_err = ia_css_convert_errno(error);
IA_CSS_LEAVE_ERR_PRIVATE(return_err);
return return_err;
IA_CSS_LEAVE_ERR_PRIVATE(error);
return error;
#else
(void)evt_id;
return -EBUSY;
@ -490,8 +483,7 @@ int ia_css_bufq_enqueue_tag_cmd(
uint32_t item)
{
#if !defined(HAS_NO_INPUT_SYSTEM)
int return_err;
int error = 0;
int error;
ia_css_queue_t *q;
IA_CSS_ENTER_PRIVATE("item=%d", item);
@ -502,9 +494,8 @@ int ia_css_bufq_enqueue_tag_cmd(
}
error = ia_css_queue_enqueue(q, item);
return_err = ia_css_convert_errno(error);
IA_CSS_LEAVE_ERR_PRIVATE(return_err);
return return_err;
IA_CSS_LEAVE_ERR_PRIVATE(error);
return error;
#else
(void)item;
return -EBUSY;

8
drivers/staging/media/atomisp/pci/runtime/eventq/interface/ia_css_eventq.h
View File

@ -23,8 +23,8 @@
* @param[in] eventq_handle eventq_handle.
* @param[in] payload The event payload.
* @return 0 - Successfully dequeue.
* @return EINVAL - Invalid argument.
* @return ENODATA - Queue is empty.
* @return -EINVAL - Invalid argument.
* @return -ENODATA - Queue is empty.
*/
int ia_css_eventq_recv(
ia_css_queue_t *eventq_handle,
@ -41,8 +41,8 @@ int ia_css_eventq_recv(
* @param[in] evt_payload_1 The event payload.
* @param[in] evt_payload_2 The event payload.
* @return 0 - Successfully enqueue.
* @return EINVAL - Invalid argument.
* @return ENOBUFS - Queue is full.
* @return -EINVAL - Invalid argument.
* @return -ENOBUFS - Queue is full.
*/
int ia_css_eventq_send(
ia_css_queue_t *eventq_handle,

4
drivers/staging/media/atomisp/pci/runtime/eventq/src/eventq.c
View File

@ -50,7 +50,7 @@ int ia_css_eventq_send(
{
u8 tmp[4];
u32 sw_event;
int error = ENOSYS;
int error = -ENOSYS;
/*
* Encode the queue type, the thread ID and
@ -65,7 +65,7 @@ int ia_css_eventq_send(
/* queue the software event (busy-waiting) */
for ( ; ; ) {
error = ia_css_queue_enqueue(eventq_handle, sw_event);
if (error != ENOBUFS) {
if (error != -ENOBUFS) {
/* We were able to successfully send the event
or had a real failure. return the status*/
break;

30
drivers/staging/media/atomisp/pci/runtime/queue/interface/ia_css_queue.h
View File

@ -40,7 +40,7 @@ typedef struct ia_css_queue ia_css_queue_t;
* @param[out] qhandle. Handle to queue instance for use with API
* @param[in] desc. Descriptor with queue properties filled-in
* @return 0 - Successful init of local queue instance.
* @return EINVAL - Invalid argument.
* @return -EINVAL - Invalid argument.
*
*/
int ia_css_queue_local_init(
@ -52,7 +52,7 @@ int ia_css_queue_local_init(
* @param[out] qhandle. Handle to queue instance for use with API
* @param[in] desc. Descriptor with queue properties filled-in
* @return 0 - Successful init of remote queue instance.
* @return EINVAL - Invalid argument.
* @return -EINVAL - Invalid argument.
*/
int ia_css_queue_remote_init(
ia_css_queue_t *qhandle,
@ -72,8 +72,8 @@ int ia_css_queue_uninit(
* @param[in] qhandle. Handle to queue instance
* @param[in] item. Object to be enqueued.
* @return 0 - Successful enqueue.
* @return EINVAL - Invalid argument.
* @return ENOBUFS - Queue is full.
* @return -EINVAL - Invalid argument.
* @return -ENOBUFS - Queue is full.
*
*/
int ia_css_queue_enqueue(
@ -86,8 +86,8 @@ int ia_css_queue_enqueue(
* @param[out] item. Object to be dequeued into this item.
* @return 0 - Successful dequeue.
* @return EINVAL - Invalid argument.
* @return ENODATA - Queue is empty.
* @return -EINVAL - Invalid argument.
* @return -ENODATA - Queue is empty.
*
*/
int ia_css_queue_dequeue(
@ -99,8 +99,8 @@ int ia_css_queue_dequeue(
* @param[in] qhandle. Handle to queue instance
* @param[in] is_empty True if empty, False if not.
* @return 0 - Successful access state.
* @return EINVAL - Invalid argument.
* @return ENOSYS - Function not implemented.
* @return -EINVAL - Invalid argument.
* @return -ENOSYS - Function not implemented.
*
*/
int ia_css_queue_is_empty(
@ -112,8 +112,8 @@ int ia_css_queue_is_empty(
* @param[in] qhandle. Handle to queue instance
* @param[in] is_full True if Full, False if not.
* @return 0 - Successfully access state.
* @return EINVAL - Invalid argument.
* @return ENOSYS - Function not implemented.
* @return -EINVAL - Invalid argument.
* @return -ENOSYS - Function not implemented.
*
*/
int ia_css_queue_is_full(
@ -125,7 +125,7 @@ int ia_css_queue_is_full(
* @param[in] qhandle. Handle to queue instance
* @param[in] size Number of available elements in the queue
* @return 0 - Successfully access state.
* @return EINVAL - Invalid argument.
* @return -EINVAL - Invalid argument.
*
*/
int ia_css_queue_get_used_space(
@ -137,7 +137,7 @@ int ia_css_queue_get_used_space(
* @param[in] qhandle. Handle to queue instance
* @param[in] size Number of free elements in the queue
* @return 0 - Successfully access state.
* @return EINVAL - Invalid argument.
* @return -EINVAL - Invalid argument.
*
*/
int ia_css_queue_get_free_space(
@ -151,7 +151,7 @@ int ia_css_queue_get_free_space(
* starting from head of queue
* @param[in] element Value of element returned
* @return 0 - Successfully access state.
* @return EINVAL - Invalid argument.
* @return -EINVAL - Invalid argument.
*
*/
int ia_css_queue_peek(
@ -164,8 +164,8 @@ int ia_css_queue_peek(
* @param[in] qhandle. Handle to queue instance
* @param[out] size Size value to be returned here.
* @return 0 - Successful get size.
* @return EINVAL - Invalid argument.
* @return ENOSYS - Function not implemented.
* @return -EINVAL - Invalid argument.
* @return -ENOSYS - Function not implemented.
*
*/
int ia_css_queue_get_size(

44
drivers/staging/media/atomisp/pci/runtime/queue/src/queue.c
View File

@ -28,7 +28,7 @@ int ia_css_queue_local_init(
if (NULL == qhandle || NULL == desc
|| NULL == desc->cb_elems || NULL == desc->cb_desc) {
/* Invalid parameters, return error*/
return EINVAL;
return -EINVAL;
}
/* Mark the queue as Local */
@ -48,7 +48,7 @@ int ia_css_queue_remote_init(
{
if (NULL == qhandle || NULL == desc) {
/* Invalid parameters, return error*/
return EINVAL;
return -EINVAL;
}
/* Mark the queue as remote*/
@ -72,7 +72,7 @@ int ia_css_queue_uninit(
ia_css_queue_t *qhandle)
{
if (!qhandle)
return EINVAL;
return -EINVAL;
/* Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -90,7 +90,7 @@ int ia_css_queue_enqueue(
int error = 0;
if (!qhandle)
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -99,7 +99,7 @@ int ia_css_queue_enqueue(
*/
if (ia_css_circbuf_is_full(&qhandle->desc.cb_local)) {
/* Cannot push the element. Return*/
return ENOBUFS;
return -ENOBUFS;
}
/* Push the element*/
@ -117,7 +117,7 @@ int ia_css_queue_enqueue(
/* b. Operate on the queue */
if (ia_css_circbuf_desc_is_full(&cb_desc))
return ENOBUFS;
return -ENOBUFS;
cb_elem.val = item;
@ -149,7 +149,7 @@ int ia_css_queue_dequeue(
int error = 0;
if (!qhandle || NULL == item)
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -158,7 +158,7 @@ int ia_css_queue_dequeue(
*/
if (ia_css_circbuf_is_empty(&qhandle->desc.cb_local)) {
/* Nothing to pop. Return empty queue*/
return ENODATA;
return -ENODATA;
}
*item = ia_css_circbuf_pop(&qhandle->desc.cb_local);
@ -176,7 +176,7 @@ int ia_css_queue_dequeue(
/* b. Operate on the queue */
if (ia_css_circbuf_desc_is_empty(&cb_desc))
return ENODATA;
return -ENODATA;
error = ia_css_queue_item_load(qhandle, cb_desc.start, &cb_elem);
if (error != 0)
@ -206,7 +206,7 @@ int ia_css_queue_is_full(
int error = 0;
if ((!qhandle) || (!is_full))
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -230,7 +230,7 @@ int ia_css_queue_is_full(
return 0;
}
return EINVAL;
return -EINVAL;
}
int ia_css_queue_get_free_space(
@ -240,7 +240,7 @@ int ia_css_queue_get_free_space(
int error = 0;
if ((!qhandle) || (!size))
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -264,7 +264,7 @@ int ia_css_queue_get_free_space(
return 0;
}
return EINVAL;
return -EINVAL;
}
int ia_css_queue_get_used_space(
@ -274,7 +274,7 @@ int ia_css_queue_get_used_space(
int error = 0;
if ((!qhandle) || (!size))
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -298,7 +298,7 @@ int ia_css_queue_get_used_space(
return 0;
}
return EINVAL;
return -EINVAL;
}
int ia_css_queue_peek(
@ -310,7 +310,7 @@ int ia_css_queue_peek(
int error = 0;
if ((!qhandle) || (!element))
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -320,7 +320,7 @@ int ia_css_queue_peek(
/* Check if offset is valid */
num_elems = ia_css_circbuf_get_num_elems(&qhandle->desc.cb_local);
if (offset > num_elems)
return EINVAL;
return -EINVAL;
*element = ia_css_circbuf_peek_from_start(&qhandle->desc.cb_local, (int)offset);
return 0;
@ -339,7 +339,7 @@ int ia_css_queue_peek(
/* Check if offset is valid */
num_elems = ia_css_circbuf_desc_get_num_elems(&cb_desc);
if (offset > num_elems)
return EINVAL;
return -EINVAL;
offset = OP_std_modadd(cb_desc.start, offset, cb_desc.size);
error = ia_css_queue_item_load(qhandle, (uint8_t)offset, &cb_elem);
@ -350,7 +350,7 @@ int ia_css_queue_peek(
return 0;
}
return EINVAL;
return -EINVAL;
}
int ia_css_queue_is_empty(
@ -360,7 +360,7 @@ int ia_css_queue_is_empty(
int error = 0;
if ((!qhandle) || (!is_empty))
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {
@ -384,7 +384,7 @@ int ia_css_queue_is_empty(
return 0;
}
return EINVAL;
return -EINVAL;
}
int ia_css_queue_get_size(
@ -394,7 +394,7 @@ int ia_css_queue_get_size(
int error = 0;
if ((!qhandle) || (!size))
return EINVAL;
return -EINVAL;
/* 1. Load the required queue object */
if (qhandle->type == IA_CSS_QUEUE_TYPE_LOCAL) {

16
drivers/staging/media/atomisp/pci/runtime/queue/src/queue_access.c
View File

@ -26,7 +26,7 @@ int ia_css_queue_load(
uint32_t ignore_desc_flags)
{
if (!rdesc || !cb_desc)
return EINVAL;
return -EINVAL;
if (rdesc->location == IA_CSS_QUEUE_LOC_SP) {
assert(ignore_desc_flags <= QUEUE_IGNORE_DESC_FLAGS_MAX);
@ -69,7 +69,7 @@ int ia_css_queue_load(
sizeof(ia_css_circbuf_desc_t));
} else if (rdesc->location == IA_CSS_QUEUE_LOC_ISP) {
/* Not supported yet */
return ENOTSUP;
return -ENOTSUPP;
}
return 0;
@ -81,7 +81,7 @@ int ia_css_queue_store(
uint32_t ignore_desc_flags)
{
if (!rdesc || !cb_desc)
return EINVAL;
return -EINVAL;
if (rdesc->location == IA_CSS_QUEUE_LOC_SP) {
assert(ignore_desc_flags <= QUEUE_IGNORE_DESC_FLAGS_MAX);
@ -116,7 +116,7 @@ int ia_css_queue_store(
sizeof(ia_css_circbuf_desc_t));
} else if (rdesc->location == IA_CSS_QUEUE_LOC_ISP) {
/* Not supported yet */
return ENOTSUP;
return -ENOTSUPP;
}
return 0;
@ -128,7 +128,7 @@ int ia_css_queue_item_load(
ia_css_circbuf_elem_t *item)
{
if (!rdesc || !item)
return EINVAL;
return -EINVAL;
if (rdesc->location == IA_CSS_QUEUE_LOC_SP) {
sp_dmem_load(rdesc->proc_id,
@ -143,7 +143,7 @@ int ia_css_queue_item_load(
sizeof(ia_css_circbuf_elem_t));
} else if (rdesc->location == IA_CSS_QUEUE_LOC_ISP) {
/* Not supported yet */
return ENOTSUP;
return -ENOTSUPP;
}
return 0;
@ -155,7 +155,7 @@ int ia_css_queue_item_store(
ia_css_circbuf_elem_t *item)
{
if (!rdesc || !item)
return EINVAL;
return -EINVAL;
if (rdesc->location == IA_CSS_QUEUE_LOC_SP) {
sp_dmem_store(rdesc->proc_id,
@ -170,7 +170,7 @@ int ia_css_queue_item_store(
sizeof(ia_css_circbuf_elem_t));
} else if (rdesc->location == IA_CSS_QUEUE_LOC_ISP) {
/* Not supported yet */
return ENOTSUP;
return -ENOTSUPP;
}
return 0;

3
drivers/staging/media/atomisp/pci/runtime/queue/src/queue_access.h
View File

@ -15,10 +15,11 @@
#ifndef __QUEUE_ACCESS_H
#define __QUEUE_ACCESS_H
#include <linux/errno.h>
#include <type_support.h>
#include <ia_css_queue_comm.h>
#include <ia_css_circbuf.h>
#include <error_support.h>
#define QUEUE_IGNORE_START_FLAG 0x0001
#define QUEUE_IGNORE_END_FLAG 0x0002