diff options
| -rw-r--r-- | drivers/scsi/advansys.c | 504 |
1 files changed, 6 insertions, 498 deletions
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 90f05c52be7..67cdfe6201c 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -63,11 +63,10 @@ * has not occurred then print a message and run in polled mode. * 4. Need to add support for target mode commands, cf. CAM XPT. * 5. check DMA mapping functions for failure - * 6. Remove internal queueing - * 7. Use scsi_transport_spi - * 8. advansys_info is not safe against multiple simultaneous callers - * 9. Kill boardp->id - * 10. Add module_param to override ISA/VLB ioport array + * 6. Use scsi_transport_spi + * 7. advansys_info is not safe against multiple simultaneous callers + * 8. Kill boardp->id + * 9. Add module_param to override ISA/VLB ioport array */ #warning this driver is still not properly converted to the DMA API @@ -2514,64 +2513,6 @@ do { \ #define HOST_BYTE(byte) ((byte) << 16) #define DRIVER_BYTE(byte) ((byte) << 24) -/* - * The following definitions and macros are OS independent interfaces to - * the queue functions: - * REQ - SCSI request structure - * REQP - pointer to SCSI request structure - * REQPTID(reqp) - reqp's target id - * REQPNEXT(reqp) - reqp's next pointer - * REQPNEXTP(reqp) - pointer to reqp's next pointer - * REQPTIME(reqp) - reqp's time stamp value - * REQTIMESTAMP() - system time stamp value - */ -typedef struct scsi_cmnd REQ, *REQP; -#define REQPNEXT(reqp) ((REQP) ((reqp)->host_scribble)) -#define REQPNEXTP(reqp) ((REQP *) &((reqp)->host_scribble)) -#define REQPTID(reqp) ((reqp)->device->id) -#define REQPTIME(reqp) ((reqp)->SCp.this_residual) -#define REQTIMESTAMP() (jiffies) - -#define REQTIMESTAT(function, ascq, reqp, tid) \ -{ \ - /* - * If the request time stamp is less than the system time stamp, then \ - * maybe the system time stamp wrapped. Set the request time to zero.\ - */ \ - if (REQPTIME(reqp) <= REQTIMESTAMP()) { \ - REQPTIME(reqp) = REQTIMESTAMP() - REQPTIME(reqp); \ - } else { \ - /* Indicate an error occurred with the assertion. */ \ - ASC_ASSERT(REQPTIME(reqp) <= REQTIMESTAMP()); \ - REQPTIME(reqp) = 0; \ - } \ - /* Handle first minimum time case without external initialization. */ \ - if (((ascq)->q_tot_cnt[tid] == 1) || \ - (REQPTIME(reqp) < (ascq)->q_min_tim[tid])) { \ - (ascq)->q_min_tim[tid] = REQPTIME(reqp); \ - ASC_DBG3(1, "%s: new q_min_tim[%d] %u\n", \ - (function), (tid), (ascq)->q_min_tim[tid]); \ - } \ - if (REQPTIME(reqp) > (ascq)->q_max_tim[tid]) { \ - (ascq)->q_max_tim[tid] = REQPTIME(reqp); \ - ASC_DBG3(1, "%s: new q_max_tim[%d] %u\n", \ - (function), tid, (ascq)->q_max_tim[tid]); \ - } \ - (ascq)->q_tot_tim[tid] += REQPTIME(reqp); \ - /* Reset the time stamp field. */ \ - REQPTIME(reqp) = 0; \ -} - -/* asc_enqueue() flags */ -#define ASC_FRONT 1 -#define ASC_BACK 2 - -/* asc_dequeue_list() argument */ -#define ASC_TID_ALL (-1) - -/* Return non-zero, if the queue is empty. */ -#define ASC_QUEUE_EMPTY(ascq) ((ascq)->q_tidmask == 0) - #ifndef ADVANSYS_STATS #define ASC_STATS(shost, counter) #define ASC_STATS_ADD(shost, counter, count) @@ -2784,23 +2725,6 @@ struct asc_stats { #endif /* ADVANSYS_STATS */ /* - * Request queuing structure - */ -typedef struct asc_queue { - ADV_SCSI_BIT_ID_TYPE q_tidmask; /* queue mask */ - REQP q_first[ADV_MAX_TID + 1]; /* first queued request */ - REQP q_last[ADV_MAX_TID + 1]; /* last queued request */ -#ifdef ADVANSYS_STATS - short q_cur_cnt[ADV_MAX_TID + 1]; /* current queue count */ - short q_max_cnt[ADV_MAX_TID + 1]; /* maximum queue count */ - ADV_DCNT q_tot_cnt[ADV_MAX_TID + 1]; /* total enqueue count */ - ADV_DCNT q_tot_tim[ADV_MAX_TID + 1]; /* total time queued */ - ushort q_max_tim[ADV_MAX_TID + 1]; /* maximum time queued */ - ushort q_min_tim[ADV_MAX_TID + 1]; /* minimum time queued */ -#endif /* ADVANSYS_STATS */ -} asc_queue_t; - -/* * Adv Library Request Structures * * The following two structures are used to process Wide Board requests. @@ -2851,7 +2775,6 @@ typedef struct asc_board { ADV_DVC_CFG adv_dvc_cfg; /* Wide board */ } dvc_cfg; ushort asc_n_io_port; /* Number I/O ports. */ - asc_queue_t active; /* Active command queue */ ADV_SCSI_BIT_ID_TYPE init_tidmask; /* Target init./valid mask */ struct scsi_device *device[ADV_MAX_TID + 1]; /* Mid-Level Scsi Device */ ushort reqcnt[ADV_MAX_TID + 1]; /* Starvation request count */ @@ -2914,14 +2837,10 @@ static int asc_dbglvl = 3; */ static int advansys_slave_configure(struct scsi_device *); -static void asc_scsi_done_list(struct scsi_cmnd *); static int asc_execute_scsi_cmnd(struct scsi_cmnd *); static int asc_build_req(asc_board_t *, struct scsi_cmnd *); static int adv_build_req(asc_board_t *, struct scsi_cmnd *, ADV_SCSI_REQ_Q **); static int adv_get_sglist(asc_board_t *, adv_req_t *, struct scsi_cmnd *, int); -static void asc_enqueue(asc_queue_t *, REQP, int); -static REQP asc_dequeue_list(asc_queue_t *, REQP *, int); -static int asc_rmqueue(asc_queue_t *, REQP); #ifdef CONFIG_PROC_FS static int asc_proc_copy(off_t, off_t, char *, int, char *, int); static int asc_prt_board_devices(struct Scsi_Host *, char *, int); @@ -2939,7 +2858,6 @@ static int asc_prt_line(char *, int, char *fmt, ...); #ifdef ADVANSYS_STATS #ifdef CONFIG_PROC_FS static int asc_prt_board_stats(struct Scsi_Host *, char *, int); -static int asc_prt_target_stats(struct Scsi_Host *, int, char *, int); #endif /* CONFIG_PROC_FS */ #endif /* ADVANSYS_STATS */ @@ -2991,9 +2909,6 @@ advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start, int leftlen; char *curbuf; off_t advoffset; -#ifdef ADVANSYS_STATS - int tgt_id; -#endif /* ADVANSYS_STATS */ ASC_DBG(1, "advansys_proc_info: begin\n"); @@ -3123,26 +3038,6 @@ advansys_proc_info(struct Scsi_Host *shost, char *buffer, char **start, } advoffset += cplen; curbuf += cnt; - - /* - * Display driver statistics for each target. - */ - for (tgt_id = 0; tgt_id <= ADV_MAX_TID; tgt_id++) { - cp = boardp->prtbuf; - cplen = asc_prt_target_stats(shost, tgt_id, cp, - ASC_PRTBUF_SIZE); - ASC_ASSERT(cplen <= ASC_PRTBUF_SIZE); - cnt = asc_proc_copy(advoffset, offset, curbuf, leftlen, cp, - cplen); - totcnt += cnt; - leftlen -= cnt; - if (leftlen == 0) { - ASC_DBG1(1, "advansys_proc_info: totcnt %d\n", totcnt); - return totcnt; - } - advoffset += cplen; - curbuf += cnt; - } #endif /* ADVANSYS_STATS */ /* @@ -3331,8 +3226,6 @@ static int advansys_reset(struct scsi_cmnd *scp) ASC_DVC_VAR *asc_dvc_varp; ADV_DVC_VAR *adv_dvc_varp; ulong flags; - struct scsi_cmnd *done_scp = NULL, *last_scp = NULL; - struct scsi_cmnd *tscp, *new_last_scp; int status; int ret = SUCCESS; @@ -3423,34 +3316,6 @@ static int advansys_reset(struct scsi_cmnd *scp) } /* Board lock is held. */ - /* - * Dequeue all board 'active' requests for all devices and set - * the request status to DID_RESET. A pointer to the last request - * is returned in 'last_scp'. - */ - if (done_scp == NULL) { - done_scp = asc_dequeue_list(&boardp->active, &last_scp, - ASC_TID_ALL); - for (tscp = done_scp; tscp; tscp = REQPNEXT(tscp)) { - tscp->result = HOST_BYTE(DID_RESET); - } - } else { - /* Append to 'done_scp' at the end with 'last_scp'. */ - ASC_ASSERT(last_scp != NULL); - last_scp->host_scribble = - (unsigned char *)asc_dequeue_list(&boardp->active, - &new_last_scp, - ASC_TID_ALL); - if (new_last_scp != NULL) { - ASC_ASSERT(REQPNEXT(last_scp) != NULL); - for (tscp = REQPNEXT(last_scp); tscp; - tscp = REQPNEXT(tscp)) { - tscp->result = HOST_BYTE(DID_RESET); - } - last_scp = new_last_scp; - } - } - /* Save the time of the most recently completed reset. */ boardp->last_reset = jiffies; @@ -3458,12 +3323,6 @@ static int advansys_reset(struct scsi_cmnd *scp) boardp->flags &= ~ASC_HOST_IN_RESET; spin_unlock_irqrestore(&boardp->lock, flags); - /* - * Complete all the 'done_scp' requests. - */ - if (done_scp) - asc_scsi_done_list(done_scp); - ASC_DBG1(1, "advansys_reset: ret %d\n", ret); return ret; @@ -3795,30 +3654,6 @@ static int advansys_slave_configure(struct scsi_device *sdev) } /* - * Complete all requests on the singly linked list pointed - * to by 'scp'. - * - * Interrupts can be enabled on entry. - */ -static void asc_scsi_done_list(struct scsi_cmnd *scp) -{ - struct scsi_cmnd *tscp; - - ASC_DBG(2, "asc_scsi_done_list: begin\n"); - while (scp != NULL) { - ASC_DBG1(3, "asc_scsi_done_list: scp 0x%lx\n", (ulong)scp); - tscp = REQPNEXT(scp); - scp->host_scribble = NULL; - - asc_scsi_done(scp); - - scp = tscp; - } - ASC_DBG(2, "asc_scsi_done_list: done\n"); - return; -} - -/* * Execute a single 'Scsi_Cmnd'. * * The function 'done' is called when the request has been completed. @@ -3854,9 +3689,8 @@ static void asc_scsi_done_list(struct scsi_cmnd *scp) * scsi_done - used to save caller's done function * host_scribble - used for pointer to another struct scsi_cmnd * - * If this function returns ASC_NOERROR the request has been enqueued - * on the board's 'active' queue and will be completed from the - * interrupt handler. + * If this function returns ASC_NOERROR the request will be completed + * from the interrupt handler. * * If this function returns ASC_ERROR the host error code has been set, * and the called must call asc_scsi_done. @@ -3901,10 +3735,6 @@ static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp) return ASC_ERROR; } - /* - * Execute the command. If there is no error, add the command - * to the active queue. - */ switch (ret = AscExeScsiQueue(asc_dvc_varp, &asc_scsi_q)) { case ASC_NOERROR: ASC_STATS(scp->device->host, exe_noerror); @@ -3913,7 +3743,6 @@ static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp) * successful request counter. Wrapping doesn't matter. */ boardp->reqcnt[scp->device->id]++; - asc_enqueue(&boardp->active, scp, ASC_BACK); ASC_DBG(1, "asc_execute_scsi_cmnd: AscExeScsiQueue(), " "ASC_NOERROR\n"); break; @@ -3970,10 +3799,6 @@ static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp) return ASC_ERROR; } - /* - * Execute the command. If there is no error, add the command - * to the active queue. - */ switch (ret = AdvExeScsiQueue(adv_dvc_varp, adv_scsiqp)) { case ASC_NOERROR: ASC_STATS(scp->device->host, exe_noerror); @@ -3982,7 +3807,6 @@ static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp) * successful request counter. Wrapping doesn't matter. */ boardp->reqcnt[scp->device->id]++; - asc_enqueue(&boardp->active, scp, ASC_BACK); ASC_DBG(1, "asc_execute_scsi_cmnd: AdvExeScsiQueue(), " "ASC_NOERROR\n"); break; @@ -4467,19 +4291,8 @@ static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep) ASC_STATS(shost, callback); ASC_DBG1(1, "asc_isr_callback: shost 0x%lx\n", (ulong)shost); - /* - * If the request isn't found on the active queue, it may - * have been removed to handle a reset request. - * Display a message and return. - */ boardp = ASC_BOARDP(shost); ASC_ASSERT(asc_dvc_varp == &boardp->dvc_var.asc_dvc_var); - if (asc_rmqueue(&boardp->active, scp) == ASC_FALSE) { - ASC_PRINT2 - ("asc_isr_callback: board %d: scp 0x%lx not on active queue\n", - boardp->id, (ulong)scp); - return; - } /* * 'qdonep' contains the command's ending status. @@ -4624,21 +4437,8 @@ static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp) ASC_STATS(shost, callback); ASC_DBG1(1, "adv_isr_callback: shost 0x%lx\n", (ulong)shost); - /* - * If the request isn't found on the active queue, it may have been - * removed to handle a reset request. Display a message and return. - * - * Note: Because the structure may still be in use don't attempt - * to free the adv_req_t and adv_sgblk_t, if any, structures. - */ boardp = ASC_BOARDP(shost); ASC_ASSERT(adv_dvc_varp == &boardp->dvc_var.adv_dvc_var); - if (asc_rmqueue(&boardp->active, scp) == ASC_FALSE) { - ASC_PRINT2 - ("adv_isr_callback: board %d: scp 0x%lx not on active queue\n", - boardp->id, (ulong)scp); - return; - } /* * 'done_status' contains the command's ending status. @@ -4787,225 +4587,6 @@ static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code) } } -/* - * Add a 'REQP' to the end of specified queue. Set 'tidmask' - * to indicate a command is queued for the device. - * - * 'flag' may be either ASC_FRONT or ASC_BACK. - * - * 'REQPNEXT(reqp)' returns reqp's next pointer. - */ -static void asc_enqueue(asc_queue_t *ascq, REQP reqp, int flag) -{ - int tid; - - ASC_DBG3(3, "asc_enqueue: ascq 0x%lx, reqp 0x%lx, flag %d\n", - (ulong)ascq, (ulong)reqp, flag); - ASC_ASSERT(reqp != NULL); - ASC_ASSERT(flag == ASC_FRONT || flag == ASC_BACK); - tid = REQPTID(reqp); - ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); - if (flag == ASC_FRONT) { - reqp->host_scribble = (unsigned char *)ascq->q_first[tid]; - ascq->q_first[tid] = reqp; - /* If the queue was empty, set the last pointer. */ - if (ascq->q_last[tid] == NULL) { - ascq->q_last[tid] = reqp; - } - } else { /* ASC_BACK */ - if (ascq->q_last[tid] != NULL) { - ascq->q_last[tid]->host_scribble = - (unsigned char *)reqp; - } - ascq->q_last[tid] = reqp; - reqp->host_scribble = NULL; - /* If the queue was empty, set the first pointer. */ - if (ascq->q_first[tid] == NULL) { - ascq->q_first[tid] = reqp; - } - } - /* The queue has at least one entry, set its bit. */ - ascq->q_tidmask |= ADV_TID_TO_TIDMASK(tid); -#ifdef ADVANSYS_STATS - /* Maintain request queue statistics. */ - ascq->q_tot_cnt[tid]++; - ascq->q_cur_cnt[tid]++; - if (ascq->q_cur_cnt[tid] > ascq->q_max_cnt[tid]) { - ascq->q_max_cnt[tid] = ascq->q_cur_cnt[tid]; - ASC_DBG2(2, "asc_enqueue: new q_max_cnt[%d] %d\n", - tid, ascq->q_max_cnt[tid]); - } - REQPTIME(reqp) = REQTIMESTAMP(); -#endif /* ADVANSYS_STATS */ - ASC_DBG1(3, "asc_enqueue: reqp 0x%lx\n", (ulong)reqp); - return; -} - -/* - * Return a pointer to a singly linked list of all the requests queued - * for 'tid' on the 'asc_queue_t' pointed to by 'ascq'. - * - * If 'lastpp' is not NULL, '*lastpp' will be set to point to the - * the last request returned in the singly linked list. - * - * 'tid' should either be a valid target id or if it is ASC_TID_ALL, - * then all queued requests are concatenated into one list and - * returned. - * - * Note: If 'lastpp' is used to append a new list to the end of - * an old list, only change the old list last pointer if '*lastpp' - * (or the function return value) is not NULL, i.e. use a temporary - * variable for 'lastpp' and check its value after the function return - * before assigning it to the list last pointer. - * - * Unfortunately collecting queuing time statistics adds overhead to - * the function that isn't inherent to the function's algorithm. - */ -static REQP asc_dequeue_list(asc_queue_t *ascq, REQP *lastpp, int tid) -{ - REQP firstp, lastp; - int i; - - ASC_DBG2(3, "asc_dequeue_list: ascq 0x%lx, tid %d\n", (ulong)ascq, tid); - ASC_ASSERT((tid == ASC_TID_ALL) || (tid >= 0 && tid <= ADV_MAX_TID)); - - /* - * If 'tid' is not ASC_TID_ALL, return requests only for - * the specified 'tid'. If 'tid' is ASC_TID_ALL, return all - * requests for all tids. - */ - if (tid != ASC_TID_ALL) { - /* Return all requests for the specified 'tid'. */ - if ((ascq->q_tidmask & ADV_TID_TO_TIDMASK(tid)) == 0) { - /* List is empty; Set first and last return pointers to NULL. */ - firstp = lastp = NULL; - } else { - firstp = ascq->q_first[tid]; - lastp = ascq->q_last[tid]; - ascq->q_first[tid] = ascq->q_last[tid] = NULL; - ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); -#ifdef ADVANSYS_STATS - { - REQP reqp; - ascq->q_cur_cnt[tid] = 0; - for (reqp = firstp; reqp; reqp = REQPNEXT(reqp)) { - REQTIMESTAT("asc_dequeue_list", ascq, - reqp, tid); - } - } -#endif /* ADVANSYS_STATS */ - } - } else { - /* Return all requests for all tids. */ - firstp = lastp = NULL; - for (i = 0; i <= ADV_MAX_TID; i++) { - if (ascq->q_tidmask & ADV_TID_TO_TIDMASK(i)) { - if (firstp == NULL) { - firstp = ascq->q_first[i]; - lastp = ascq->q_last[i]; - } else { - ASC_ASSERT(lastp != NULL); - lastp->host_scribble = - (unsigned char *)ascq->q_first[i]; - lastp = ascq->q_last[i]; - } - ascq->q_first[i] = ascq->q_last[i] = NULL; - ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(i); -#ifdef ADVANSYS_STATS - ascq->q_cur_cnt[i] = 0; -#endif /* ADVANSYS_STATS */ - } - } -#ifdef ADVANSYS_STATS - { - REQP reqp; - for (reqp = firstp; reqp; reqp = REQPNEXT(reqp)) { - REQTIMESTAT("asc_dequeue_list", ascq, reqp, - reqp->device->id); - } - } -#endif /* ADVANSYS_STATS */ - } - if (lastpp) { - *lastpp = lastp; - } - ASC_DBG1(3, "asc_dequeue_list: firstp 0x%lx\n", (ulong)firstp); - return firstp; -} - -/* - * Remove the specified 'REQP' from the specified queue for - * the specified target device. Clear the 'tidmask' bit for the - * device if no more commands are left queued for it. - * - * 'REQPNEXT(reqp)' returns reqp's the next pointer. - * - * Return ASC_TRUE if the command was found and removed, - * otherwise return ASC_FALSE. - */ -static int asc_rmqueue(asc_queue_t *ascq, REQP reqp) -{ - REQP currp, prevp; - int tid; - int ret = ASC_FALSE; - - ASC_DBG2(3, "asc_rmqueue: ascq 0x%lx, reqp 0x%lx\n", - (ulong)ascq, (ulong)reqp); - ASC_ASSERT(reqp != NULL); - - tid = REQPTID(reqp); - ASC_ASSERT(tid >= 0 && tid <= ADV_MAX_TID); - - /* - * Handle the common case of 'reqp' being the first - * entry on the queue. - */ - if (reqp == ascq->q_first[tid]) { - ret = ASC_TRUE; - ascq->q_first[tid] = REQPNEXT(reqp); - /* If the queue is now empty, clear its bit and the last pointer. */ - if (ascq->q_first[tid] == NULL) { - ascq->q_tidmask &= ~ADV_TID_TO_TIDMASK(tid); - ASC_ASSERT(ascq->q_last[tid] == reqp); - ascq->q_last[tid] = NULL; - } - } else if (ascq->q_first[tid] != NULL) { - ASC_ASSERT(ascq->q_last[tid] != NULL); - /* - * Because the case of 'reqp' being the first entry has been - * handled above and it is known the queue is not empty, if - * 'reqp' is found on the queue it is guaranteed the queue will - * not become empty and that 'q_first[tid]' will not be changed. - * - * Set 'prevp' to the first entry, 'currp' to the second entry, - * and search for 'reqp'. - */ - for (prevp = ascq->q_first[tid], currp = REQPNEXT(prevp); - currp; prevp = currp, currp = REQPNEXT(currp)) { - if (currp == reqp) { - ret = ASC_TRUE; - prevp->host_scribble = - (unsigned char *)REQPNEXT(currp); - reqp->host_scribble = NULL; - if (ascq->q_last[tid] == reqp) { - ascq->q_last[tid] = prevp; - } - break; - } - } - } -#ifdef ADVANSYS_STATS - /* Maintain request queue statistics. */ - if (ret == ASC_TRUE) { - ascq->q_cur_cnt[tid]--; - REQTIMESTAT("asc_rmqueue", ascq, reqp, tid); - } - ASC_ASSERT(ascq->q_cur_cnt[tid] >= 0); -#endif /* ADVANSYS_STATS */ - ASC_DBG2(3, "asc_rmqueue: reqp 0x%lx, ret %d\n", (ulong)reqp, ret); - return ret; -} - #ifdef CONFIG_PROC_FS /* * asc_prt_board_devices() @@ -6465,79 +6046,6 @@ static int asc_prt_board_stats(struct Scsi_Host *shost, char *cp, int cplen) return totlen; } - -/* - * asc_prt_target_stats() - * - * Note: no single line should be greater than ASC_PRTLINE_SIZE, - * cf. asc_prt_line(). - * - * This is separated from asc_prt_board_stats because a full set - * of targets will overflow ASC_PRTBUF_SIZE. - * - * Return the number of characters copied into 'cp'. No more than - * 'cplen' characters will be copied to 'cp'. - */ -static int -asc_prt_target_stats(struct Scsi_Host *shost, int tgt_id, char *cp, int cplen) -{ - int leftlen; - int totlen; - int len; - struct asc_stats *s; - ushort chip_scsi_id; - asc_board_t *boardp; - asc_queue_t *active; - - leftlen = cplen; - totlen = len = 0; - - boardp = ASC_BOARDP(shost); - s = &boardp->asc_stats; - - active = &ASC_BOARDP(shost)->active; - - if (ASC_NARROW_BOARD(boardp)) { - chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id; - } else { - chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id; - } - - if ((chip_scsi_id == tgt_id) || - ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(tgt_id)) == 0)) { - return 0; - } - - do { - if (active->q_tot_cnt[tgt_id] > 0) { - len = asc_prt_line(cp, leftlen, " target %d\n", tgt_id); - ASC_PRT_NEXT(); - - len = asc_prt_line(cp, leftlen, - " active: cnt [cur %d, max %d, tot %u], time [min %d, max %d, avg %lu.%01lu]\n", - active->q_cur_cnt[tgt_id], - active->q_max_cnt[tgt_id], - active->q_tot_cnt[tgt_id], - active->q_min_tim[tgt_id], - active->q_max_tim[tgt_id], - (active->q_tot_cnt[tgt_id] == - 0) ? 0 : (active-> - q_tot_tim[tgt_id] / - active-> - q_tot_cnt[tgt_id]), - (active->q_tot_cnt[tgt_id] == - 0) ? 0 : ASC_TENTHS(active-> - q_tot_tim - [tgt_id], - active-> - q_tot_cnt - [tgt_id])); - ASC_PRT_NEXT(); - } - } while (0); - - return totlen; -} #endif /* CONFIG_PROC_FS */ #endif /* ADVANSYS_STATS */ |