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Add rtems_interrupt_server_request_set_vector()

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By default, the interrupt vector of an interrupt server request is set
to a special value which is outside the range of vectors supported by
the interrupt controller hardware.

Add rtems_interrupt_server_request_set_vector() to set the interrupt
vector in an interrupt server request.

Calls to rtems_interrupt_server_request_submit() will disable the interrupt
vector of the request.  After processing of the request by the interrupt
server the interrupt vector will be enabled again.
This commit is contained in:
Sebastian Huber
2018-10-04 11:32:25 +02:00
parent 313f897f10
commit 8777d4ccea
1 changed files with 27 additions and 0 deletions
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cpukit/include/rtems/irq-extension.h
+27
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@@ -284,6 +284,7 @@ typedef struct {
* accessed directly.
*
* @see rtems_interrupt_server_request_initialize(),
* rtems_interrupt_server_request_set_vector(),
* rtems_interrupt_server_request_submit(), and
* rtems_interrupt_server_request_destroy().
*/
@@ -587,6 +588,8 @@ void rtems_interrupt_server_entry_destroy(
* @retval RTEMS_SUCCESSFUL Successful operation.
* @retval RTEMS_INCORRECT_STATE The interrupt servers are not initialized.
* @retval RTEMS_INVALID_ID If the interrupt server index is invalid.
*
* @see rtems_interrupt_server_request_set_vector().
*/
rtems_status_code rtems_interrupt_server_request_initialize(
uint32_t server_index,
@@ -595,6 +598,30 @@ rtems_status_code rtems_interrupt_server_request_initialize(
void *arg
);
/**
* @brief Sets the interrupt vector in the specified interrupt server request.
*
* By default, the interrupt vector of an interrupt server request is set to a
* special value which is outside the range of vectors supported by the
* interrupt controller hardware.
*
* Calls to rtems_interrupt_server_request_submit() will disable the interrupt
* vector of the request. After processing of the request by the interrupt
* server the interrupt vector will be enabled again.
*
* @param[in] request The initialized interrupt server request.
* @param[in] vector The interrupt vector number.
*
* @see rtems_interrupt_server_request_initialize().
*/
RTEMS_INLINE_ROUTINE void rtems_interrupt_server_request_set_vector(
rtems_interrupt_server_request *request,
rtems_vector_number vector
)
{
request->entry.vector = vector;
}
/**
* @brief Submits the specified interrupt server request so that its interrupt
* server action can be invoked by the specified interrupt server.