view cdg-hybrid/cdginc/p_mnss.val @ 220:0ed36de51973

ABB semaphore protection overhaul The ABB semaphone protection logic that came with TCS211 from TI was broken in several ways: * Some semaphore-protected functions were called from Application_Initialize() context. NU_Obtain_Semaphore() called with NU_SUSPEND fails with NU_INVALID_SUSPEND in this context, but the return value wasn't checked, and NU_Release_Semaphore() would be called unconditionally at the end. The latter call would increment the semaphore count past 1, making the semaphore no longer binary and thus no longer effective for resource protection. The fix is to check the return value from NU_Obtain_Semaphore() and skip the NU_Release_Semaphore() call if the semaphore wasn't properly obtained. * Some SPI hardware manipulation was being done before entering the semaphore- protected critical section. The fix is to reorder the code: first obtain the semaphore, then do everything else. * In the corner case of L1/DSP recovery, l1_abb_power_on() would call some non-semaphore-protected ABB & SPI init functions. The fix is to skip those calls in the case of recovery. * A few additional corner cases existed, all of which are fixed by making ABB semaphore protection 100% consistent for all ABB functions and code paths. There is still one remaining problem of priority inversion: suppose a low- priority task calls an ABB function, and some medium-priority task just happens to preempt right in the middle of that semaphore-protected ABB operation. Then the high-priority SPI task is locked out for a non-deterministic time until that medium-priority task finishes its work and goes back to sleep. This priority inversion problem remains outstanding for now.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 26 Apr 2021 20:55:25 +0000
parents 35f7a1dc9f7d
children
line wrap: on
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/*
+--------------------------------------------------------------------------+
| PROJECT : PROTOCOL STACK                                                 |
| FILE    : p_mnss.val                                                     |
| SOURCE  : "sap\mnss.pdf"                                                 |
| LastModified : "2002-08-01"                                              |
| IdAndVersion : "6147.102.97.104"                                         |
| SrcFileTime  : "Thu Nov 29 09:48:44 2007"                                |
| Generated by CCDGEN_2.5.5A on Fri Oct 14 21:41:52 2016                   |
|           !!DO NOT MODIFY!!DO NOT MODIFY!!DO NOT MODIFY!!                |
+--------------------------------------------------------------------------+
*/

/* PRAGMAS
 * PREFIX                 : NONE
 * COMPATIBILITY_DEFINES  : NO (require PREFIX)
 * ALWAYS_ENUM_IN_VAL_FILE: NO
 * ENABLE_GROUP: NO
 * CAPITALIZE_TYPENAME: NO
 */


#ifndef P_MNSS_VAL
#define P_MNSS_VAL


#define CDG_ENTER__P_MNSS_VAL

#define CDG_ENTER__FILENAME _P_MNSS_VAL
#define CDG_ENTER__P_MNSS_VAL__FILE_TYPE CDGINC
#define CDG_ENTER__P_MNSS_VAL__LAST_MODIFIED _2002_08_01
#define CDG_ENTER__P_MNSS_VAL__ID_AND_VERSION _6147_102_97_104

#define CDG_ENTER__P_MNSS_VAL__SRC_FILE_TIME _Thu_Nov_29_09_48_44_2007

#include "CDG_ENTER.h"

#undef CDG_ENTER__P_MNSS_VAL

#undef CDG_ENTER__FILENAME


/*
 * Value constants for VAL_ti
 */
#define TI_RES_MO                      (0x7)      /* reserved                       */
#define TI_RES_MT                      (0xf)      /* reserved                       */

/*
 * Value constants for VAL_cause
 */
#define MNSS_CAUSE_UNASSIGN            (0x600)    /* Unassigned (unallocated) Note 9 number */
#define MNSS_CAUSE_NO_ROUTE            (0x603)    /* No route to destination        */
#define MNSS_CAUSE_CHAN_UNACCEPT       (0x606)    /* Channel unacceptable           */
#define MNSS_CAUSE_BARRED              (0x608)    /* Operator determined barring    */
#define MNSS_CAUSE_CALL_CLEAR          (0x610)    /* Normal call clearing           */
#define MNSS_CAUSE_USER_BUSY           (0x611)    /* User busy                      */
#define MNSS_CAUSE_NO_RESPONSE         (0x612)    /* No user responding             */
#define MNSS_CAUSE_ALERT_NO_ANSWER     (0x613)    /* User alerting, no answer       */
#define MNSS_CAUSE_CALL_REJECT         (0x615)    /* Call rejected                  */
#define MNSS_CAUSE_NUM_CHANGED         (0x616)    /* Number changed                 */
#define MNSS_CAUSE_PREEMPTION          (0x619)    /* Pre-emption                    */
#define MNSS_CAUSE_USER_CLEAR          (0x61a)    /* Non selected user clearing     */
#define MNSS_CAUSE_DEST_ORDER          (0x61b)    /* Destination out of order       */
#define MNSS_CAUSE_NUM_FORMAT          (0x61c)    /* Invalid number format (incomplete number) */
#define MNSS_CAUSE_FACILITY_REJECT     (0x61d)    /* Facility rejected              */
#define MNSS_CAUSE_STATUS_ENQUIRY      (0x61e)    /* Response to STATUS ENQUIRY     */
#define MNSS_CAUSE_UNSPECIFIED         (0x61f)    /* Normal, unspecified            */
#define MNSS_CAUSE_NO_CHAN_AVAIL       (0x622)    /* No circuit/channel available   */
#define MNSS_CAUSE_NETWORK_ORDER       (0x626)    /* Network out of order           */
#define MNSS_CAUSE_TEMP_FAIL           (0x629)    /* Temporary failure              */
#define MNSS_CAUSE_SWITCH_CONGEST      (0x62a)    /* Switching equipment congestion */
#define MNSS_CAUSE_INFO_DISCARD        (0x62b)    /* Access information discarded   */
#define MNSS_CAUSE_REQ_CHAN_UNAVAIL    (0x62c)    /* requested circuit/channel not available */
#define MNSS_CAUSE_RESOURCE_UNAVAIL    (0x62f)    /* Resources unavailable, unspecified */
#define MNSS_CAUSE_QOS_UNAVAIL         (0x631)    /* Quality of service unavailable */
#define MNSS_CAUSE_FACILITY_UNSUBSCRIB (0x632)    /* Requested facility not subscribed */
#define MNSS_CAUSE_BARRED_IN_CUG       (0x637)    /* Incoming calls barred within the CUG */
#define MNSS_CAUSE_BEARER_CAP_AUTHORIZ (0x639)    /* Bearer capability not authorized */
#define MNSS_CAUSE_BEARER_CAP_UNAVAIL  (0x63a)    /* Bearer capability not presently available */
#define MNSS_CAUSE_SERVICE_UNAVAIL     (0x63f)    /* Service or option not available, unspecified */
#define MNSS_CAUSE_BEARER_NOT_IMPLEM   (0x641)    /* Bearer service not implemented */
#define MNSS_CAUSE_ACM_MAX             (0x644)    /* ACM equal to or greater than ACMmax */
#define MNSS_CAUSE_FACILITY_NOT_IMPLEM (0x645)    /* Requested facility not implemented */
#define MNSS_CAUSE_RESTICT_BEARER_CAP  (0x646)    /* Only restricted digital information bearer capability is available */
#define MNSS_CAUSE_SERVICE_NOT_IMPLEM  (0x64f)    /* Service or option not implemented, unspecified */
#define MNSS_CAUSE_INVALID_TI          (0x651)    /* Invalid transaction identifier value */
#define MNSS_CAUSE_USER_NOT_IN_CUG     (0x657)    /* User not member of CUG         */
#define MNSS_CAUSE_INCOMPAT_DEST       (0x658)    /* Incompatible destination       */
#define MNSS_CAUSE_INVALID_TRANS_NET   (0x65b)    /* Invalid transit network selection */
#define MNSS_CAUSE_INCORRECT_MESSAGE   (0x65f)    /* Semantically incorrect message */
#define MNSS_CAUSE_INVALID_MAND_INFO   (0x660)    /* Invalid mandatory information  */
#define MNSS_CAUSE_MESSAGE_TYPE_NOT_IMPLEM (0x661)/* Message type non-existent or not implemented */
#define MNSS_CAUSE_MESSAGE_TYPE_INCOMPAT (0x662)  /* Message type not compatible with protocol state */
#define MNSS_CAUSE_INFO_ELEM_NOT_IMPLEM (0x663)   /* Information element non existent or not implemented */
#define MNSS_CAUSE_COND_INFO_ELEM      (0x664)    /* Conditional IE error           */
#define MNSS_CAUSE_MESSAGE_INCOMPAT    (0x665)    /* Message not compatible with protocol state */
#define MNSS_CAUSE_TIMER               (0x666)    /* Recovery on timer expiry       */
#define MNSS_CAUSE_PROTOCOL            (0x66f)    /* Protocol error, unspecified    */
#define MNSS_CAUSE_INTERWORKING        (0x67f)    /* Interworking, unspecified      */
#define MNSS_CAUSE_NO_NET_CAUSE        (0x86ff)   /* Network initiated without cause */

/*
 * user defined constants
 */
#define FACILITY_LEN                   (0xfb)     
#define VERSION_LEN                    (0x8)      
#define SS_ORIGINATING_ENTITY          (0x6)      

#include "CDG_LEAVE.h"


#endif