diff options
Diffstat (limited to 'drivers/s390/cio/qdio.c')
| -rw-r--r-- | drivers/s390/cio/qdio.c | 715 |
1 files changed, 546 insertions, 169 deletions
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index eb39218b925..77be2c39bfe 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -7,7 +7,7 @@ * * Copyright 2000,2002 IBM Corporation * Author(s): Utz Bacher <utz.bacher@de.ibm.com> - * 2.6 cio integration by Cornelia Huck <cohuck@de.ibm.com> + * 2.6 cio integration by Cornelia Huck <cornelia.huck@de.ibm.com> * * Restriction: only 63 iqdio subchannels would have its own indicator, * after that, subsequent subchannels share one indicator @@ -56,7 +56,7 @@ #include "ioasm.h" #include "chsc.h" -#define VERSION_QDIO_C "$Revision: 1.108 $" +#define VERSION_QDIO_C "$Revision: 1.117 $" /****************** MODULE PARAMETER VARIABLES ********************/ MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>"); @@ -76,6 +76,7 @@ static struct qdio_perf_stats perf_stats; #endif /* QDIO_PERFORMANCE_STATS */ static int hydra_thinints; +static int is_passthrough = 0; static int omit_svs; static int indicator_used[INDICATORS_PER_CACHELINE]; @@ -136,12 +137,126 @@ qdio_release_q(struct qdio_q *q) atomic_dec(&q->use_count); } -static volatile inline void -qdio_set_slsb(volatile char *slsb, unsigned char value) +/*check ccq */ +static inline int +qdio_check_ccq(struct qdio_q *q, unsigned int ccq) +{ + char dbf_text[15]; + + if (ccq == 0 || ccq == 32 || ccq == 96) + return 0; + if (ccq == 97) + return 1; + /*notify devices immediately*/ + sprintf(dbf_text,"%d", ccq); + QDIO_DBF_TEXT2(1,trace,dbf_text); + return -EIO; +} +/* EQBS: extract buffer states */ +static inline int +qdio_do_eqbs(struct qdio_q *q, unsigned char *state, + unsigned int *start, unsigned int *cnt) +{ + struct qdio_irq *irq; + unsigned int tmp_cnt, q_no, ccq; + int rc ; + char dbf_text[15]; + + ccq = 0; + tmp_cnt = *cnt; + irq = (struct qdio_irq*)q->irq_ptr; + q_no = q->q_no; + if(!q->is_input_q) + q_no += irq->no_input_qs; + ccq = do_eqbs(irq->sch_token, state, q_no, start, cnt); + rc = qdio_check_ccq(q, ccq); + if (rc < 0) { + QDIO_DBF_TEXT2(1,trace,"eqberr"); + sprintf(dbf_text,"%2x,%2x,%d,%d",tmp_cnt, *cnt, ccq, q_no); + QDIO_DBF_TEXT2(1,trace,dbf_text); + q->handler(q->cdev,QDIO_STATUS_ACTIVATE_CHECK_CONDITION| + QDIO_STATUS_LOOK_FOR_ERROR, + 0, 0, 0, -1, -1, q->int_parm); + return 0; + } + return (tmp_cnt - *cnt); +} + +/* SQBS: set buffer states */ +static inline int +qdio_do_sqbs(struct qdio_q *q, unsigned char state, + unsigned int *start, unsigned int *cnt) { - xchg((char*)slsb,value); + struct qdio_irq *irq; + unsigned int tmp_cnt, q_no, ccq; + int rc; + char dbf_text[15]; + + ccq = 0; + tmp_cnt = *cnt; + irq = (struct qdio_irq*)q->irq_ptr; + q_no = q->q_no; + if(!q->is_input_q) + q_no += irq->no_input_qs; + ccq = do_sqbs(irq->sch_token, state, q_no, start, cnt); + rc = qdio_check_ccq(q, ccq); + if (rc < 0) { + QDIO_DBF_TEXT3(1,trace,"sqberr"); + sprintf(dbf_text,"%2x,%2x,%d,%d",tmp_cnt,*cnt,ccq,q_no); + QDIO_DBF_TEXT3(1,trace,dbf_text); + q->handler(q->cdev,QDIO_STATUS_ACTIVATE_CHECK_CONDITION| + QDIO_STATUS_LOOK_FOR_ERROR, + 0, 0, 0, -1, -1, q->int_parm); + return 0; + } + return (tmp_cnt - *cnt); } +static inline int +qdio_set_slsb(struct qdio_q *q, unsigned int *bufno, + unsigned char state, unsigned int *count) +{ + volatile char *slsb; + struct qdio_irq *irq; + + irq = (struct qdio_irq*)q->irq_ptr; + if (!irq->is_qebsm) { + slsb = (char *)&q->slsb.acc.val[(*bufno)]; + xchg(slsb, state); + return 1; + } + return qdio_do_sqbs(q, state, bufno, count); +} + +#ifdef CONFIG_QDIO_DEBUG +static inline void +qdio_trace_slsb(struct qdio_q *q) +{ + if (q->queue_type==QDIO_TRACE_QTYPE) { + if (q->is_input_q) + QDIO_DBF_HEX2(0,slsb_in,&q->slsb, + QDIO_MAX_BUFFERS_PER_Q); + else + QDIO_DBF_HEX2(0,slsb_out,&q->slsb, + QDIO_MAX_BUFFERS_PER_Q); + } +} +#endif + +static inline int +set_slsb(struct qdio_q *q, unsigned int *bufno, + unsigned char state, unsigned int *count) +{ + int rc; +#ifdef CONFIG_QDIO_DEBUG + qdio_trace_slsb(q); +#endif + rc = qdio_set_slsb(q, bufno, state, count); +#ifdef CONFIG_QDIO_DEBUG + qdio_trace_slsb(q); +#endif + return rc; +} static inline int qdio_siga_sync(struct qdio_q *q, unsigned int gpr2, unsigned int gpr3) @@ -155,7 +270,7 @@ qdio_siga_sync(struct qdio_q *q, unsigned int gpr2, perf_stats.siga_syncs++; #endif /* QDIO_PERFORMANCE_STATS */ - cc = do_siga_sync(q->irq, gpr2, gpr3); + cc = do_siga_sync(q->schid, gpr2, gpr3); if (cc) QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*)); @@ -170,6 +285,23 @@ qdio_siga_sync_q(struct qdio_q *q) return qdio_siga_sync(q, q->mask, 0); } +static int +__do_siga_output(struct qdio_q *q, unsigned int *busy_bit) +{ + struct qdio_irq *irq; + unsigned int fc = 0; + unsigned long schid; + + irq = (struct qdio_irq *) q->irq_ptr; + if (!irq->is_qebsm) + schid = *((u32 *)&q->schid); + else { + schid = irq->sch_token; + fc |= 0x80; + } + return do_siga_output(schid, q->mask, busy_bit, fc); +} + /* * returns QDIO_SIGA_ERROR_ACCESS_EXCEPTION as cc, when SIGA returns * an access exception @@ -189,7 +321,7 @@ qdio_siga_output(struct qdio_q *q) QDIO_DBF_HEX4(0,trace,&q,sizeof(void*)); for (;;) { - cc = do_siga_output(q->irq, q->mask, &busy_bit); + cc = __do_siga_output(q, &busy_bit); //QDIO_PRINT_ERR("cc=%x, busy=%x\n",cc,busy_bit); if ((cc==2) && (busy_bit) && (q->is_iqdio_q)) { if (!start_time) @@ -221,7 +353,7 @@ qdio_siga_input(struct qdio_q *q) perf_stats.siga_ins++; #endif /* QDIO_PERFORMANCE_STATS */ - cc = do_siga_input(q->irq, q->mask); + cc = do_siga_input(q->schid, q->mask); if (cc) QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*)); @@ -230,7 +362,7 @@ qdio_siga_input(struct qdio_q *q) } /* locked by the locks in qdio_activate and qdio_cleanup */ -static __u32 volatile * +static __u32 * qdio_get_indicator(void) { int i; @@ -258,7 +390,7 @@ qdio_put_indicator(__u32 *addr) atomic_dec(&spare_indicator_usecount); } -static inline volatile void +static inline void tiqdio_clear_summary_bit(__u32 *location) { QDIO_DBF_TEXT5(0,trace,"clrsummb"); @@ -267,7 +399,7 @@ tiqdio_clear_summary_bit(__u32 *location) xchg(location,0); } -static inline volatile void +static inline void tiqdio_set_summary_bit(__u32 *location) { QDIO_DBF_TEXT5(0,trace,"setsummb"); @@ -336,7 +468,9 @@ static inline int qdio_stop_polling(struct qdio_q *q) { #ifdef QDIO_USE_PROCESSING_STATE - int gsf; + unsigned int tmp, gsf, count = 1; + unsigned char state = 0; + struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; if (!atomic_swap(&q->polling,0)) return 1; @@ -348,17 +482,22 @@ qdio_stop_polling(struct qdio_q *q) if (!q->is_input_q) return 1; - gsf=GET_SAVED_FRONTIER(q); - set_slsb(&q->slsb.acc.val[(gsf+QDIO_MAX_BUFFERS_PER_Q-1)& - (QDIO_MAX_BUFFERS_PER_Q-1)], - SLSB_P_INPUT_NOT_INIT); + tmp = gsf = GET_SAVED_FRONTIER(q); + tmp = ((tmp + QDIO_MAX_BUFFERS_PER_Q-1) & (QDIO_MAX_BUFFERS_PER_Q-1) ); + set_slsb(q, &tmp, SLSB_P_INPUT_NOT_INIT, &count); + /* * we don't issue this SYNC_MEMORY, as we trust Rick T and * moreover will not use the PROCESSING state under VM, so * q->polling was 0 anyway */ /*SYNC_MEMORY;*/ - if (q->slsb.acc.val[gsf]!=SLSB_P_INPUT_PRIMED) + if (irq->is_qebsm) { + count = 1; + qdio_do_eqbs(q, &state, &gsf, &count); + } else + state = q->slsb.acc.val[gsf]; + if (state != SLSB_P_INPUT_PRIMED) return 1; /* * set our summary bit again, as otherwise there is a @@ -431,18 +570,136 @@ tiqdio_clear_global_summary(void) /************************* OUTBOUND ROUTINES *******************************/ +static int +qdio_qebsm_get_outbound_buffer_frontier(struct qdio_q *q) +{ + struct qdio_irq *irq; + unsigned char state; + unsigned int cnt, count, ftc; + + irq = (struct qdio_irq *) q->irq_ptr; + if ((!q->is_iqdio_q) && (!q->hydra_gives_outbound_pcis)) + SYNC_MEMORY; + + ftc = q->first_to_check; + count = qdio_min(atomic_read(&q->number_of_buffers_used), + (QDIO_MAX_BUFFERS_PER_Q-1)); + if (count == 0) + return q->first_to_check; + cnt = qdio_do_eqbs(q, &state, &ftc, &count); + if (cnt == 0) + return q->first_to_check; + switch (state) { + case SLSB_P_OUTPUT_ERROR: + QDIO_DBF_TEXT3(0,trace,"outperr"); + atomic_sub(cnt , &q->number_of_buffers_used); + if (q->qdio_error) + q->error_status_flags |= + QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR; + q->qdio_error = SLSB_P_OUTPUT_ERROR; + q->error_status_flags |= QDIO_STATUS_LOOK_FOR_ERROR; + q->first_to_check = ftc; + break; + case SLSB_P_OUTPUT_EMPTY: + QDIO_DBF_TEXT5(0,trace,"outpempt"); + atomic_sub(cnt, &q->number_of_buffers_used); + q->first_to_check = ftc; + break; + case SLSB_CU_OUTPUT_PRIMED: + /* all buffers primed */ + QDIO_DBF_TEXT5(0,trace,"outpprim"); + break; + default: + break; + } + QDIO_DBF_HEX4(0,trace,&q->first_to_check,sizeof(int)); + return q->first_to_check; +} + +static int +qdio_qebsm_get_inbound_buffer_frontier(struct qdio_q *q) +{ + struct qdio_irq *irq; + unsigned char state; + int tmp, ftc, count, cnt; + char dbf_text[15]; + + + irq = (struct qdio_irq *) q->irq_ptr; + ftc = q->first_to_check; + count = qdio_min(atomic_read(&q->number_of_buffers_used), + (QDIO_MAX_BUFFERS_PER_Q-1)); + if (count == 0) + return q->first_to_check; + cnt = qdio_do_eqbs(q, &state, &ftc, &count); + if (cnt == 0) + return q->first_to_check; + switch (state) { + case SLSB_P_INPUT_ERROR : +#ifdef CONFIG_QDIO_DEBUG + QDIO_DBF_TEXT3(1,trace,"inperr"); + sprintf(dbf_text,"%2x,%2x",ftc,count); + QDIO_DBF_TEXT3(1,trace,dbf_text); +#endif /* CONFIG_QDIO_DEBUG */ + if (q->qdio_error) + q->error_status_flags |= + QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR; + q->qdio_error = SLSB_P_INPUT_ERROR; + q->error_status_flags |= QDIO_STATUS_LOOK_FOR_ERROR; + atomic_sub(cnt, &q->number_of_buffers_used); + q->first_to_check = ftc; + break; + case SLSB_P_INPUT_PRIMED : + QDIO_DBF_TEXT3(0,trace,"inptprim"); + sprintf(dbf_text,"%2x,%2x",ftc,count); + QDIO_DBF_TEXT3(1,trace,dbf_text); + tmp = 0; + ftc = q->first_to_check; +#ifdef QDIO_USE_PROCESSING_STATE + if (cnt > 1) { + cnt -= 1; + tmp = set_slsb(q, &ftc, SLSB_P_INPUT_NOT_INIT, &cnt); + if (!tmp) + break; + } + cnt = 1; + tmp += set_slsb(q, &ftc, + SLSB_P_INPUT_PROCESSING, &cnt); + atomic_set(&q->polling, 1); +#else + tmp = set_slsb(q, &ftc, SLSB_P_INPUT_NOT_INIT, &cnt); +#endif + atomic_sub(tmp, &q->number_of_buffers_used); + q->first_to_check = ftc; + break; + case SLSB_CU_INPUT_EMPTY: + case SLSB_P_INPUT_NOT_INIT: + case SLSB_P_INPUT_PROCESSING: + QDIO_DBF_TEXT5(0,trace,"inpnipro"); + break; + default: + break; + } + QDIO_DBF_HEX4(0,trace,&q->first_to_check,sizeof(int)); + return q->first_to_check; +} static inline int qdio_get_outbound_buffer_frontier(struct qdio_q *q) { - int f,f_mod_no; - volatile char *slsb; - int first_not_to_check; + struct qdio_irq *irq; + volatile char *slsb; + unsigned int count = 1; + int first_not_to_check, f, f_mod_no; char dbf_text[15]; QDIO_DBF_TEXT4(0,trace,"getobfro"); QDIO_DBF_HEX4(0,trace,&q,sizeof(void*)); + irq = (struct qdio_irq *) q->irq_ptr; + if (irq->is_qebsm) + return qdio_qebsm_get_outbound_buffer_frontier(q); + slsb=&q->slsb.acc.val[0]; f_mod_no=f=q->first_to_check; /* @@ -484,7 +741,7 @@ check_next: QDIO_DBF_HEX2(1,sbal,q->sbal[f_mod_no],256); /* kind of process the buffer */ - set_slsb(&q->slsb.acc.val[f_mod_no], SLSB_P_OUTPUT_NOT_INIT); + set_slsb(q, &f_mod_no, SLSB_P_OUTPUT_NOT_INIT, &count); /* * we increment the frontier, as this buffer @@ -597,48 +854,48 @@ qdio_kick_outbound_q(struct qdio_q *q) result=qdio_siga_output(q); - switch (result) { - case 0: - /* went smooth this time, reset timestamp */ + switch (result) { + case 0: + /* went smooth this time, reset timestamp */ #ifdef CONFIG_QDIO_DEBUG - QDIO_DBF_TEXT3(0,trace,"cc2reslv"); - sprintf(dbf_text,"%4x%2x%2x",q->irq,q->q_no, - atomic_read(&q->busy_siga_counter)); - QDIO_DBF_TEXT3(0,trace,dbf_text); + QDIO_DBF_TEXT3(0,trace,"cc2reslv"); + sprintf(dbf_text,"%4x%2x%2x",q->schid.sch_no,q->q_no, + atomic_read(&q->busy_siga_counter)); + QDIO_DBF_TEXT3(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ - q->timing.busy_start=0; + q->timing.busy_start=0; + break; + case (2|QDIO_SIGA_ERROR_B_BIT_SET): + /* cc=2 and busy bit: */ + atomic_inc(&q->busy_siga_counter); + + /* if the last siga was successful, save + * timestamp here */ + if (!q->timing.busy_start) + q->timing.busy_start=NOW; + + /* if we're in time, don't touch error_status_flags + * and siga_error */ + if (NOW-q->timing.busy_start<QDIO_BUSY_BIT_GIVE_UP) { + qdio_mark_q(q); break; - case (2|QDIO_SIGA_ERROR_B_BIT_SET): - /* cc=2 and busy bit: */ - atomic_inc(&q->busy_siga_counter); - - /* if the last siga was successful, save - * timestamp here */ - if (!q->timing.busy_start) - q->timing.busy_start=NOW; - - /* if we're in time, don't touch error_status_flags - * and siga_error */ - if (NOW-q->timing.busy_start<QDIO_BUSY_BIT_GIVE_UP) { - qdio_mark_q(q); - break; - } - QDIO_DBF_TEXT2(0,trace,"cc2REPRT"); + } + QDIO_DBF_TEXT2(0,trace,"cc2REPRT"); #ifdef CONFIG_QDIO_DEBUG - sprintf(dbf_text,"%4x%2x%2x",q->irq,q->q_no, - atomic_read(&q->busy_siga_counter)); - QDIO_DBF_TEXT3(0,trace,dbf_text); + sprintf(dbf_text,"%4x%2x%2x",q->schid.sch_no,q->q_no, + atomic_read(&q->busy_siga_counter)); + QDIO_DBF_TEXT3(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ - /* else fallthrough and report error */ - default: - /* for plain cc=1, 2 or 3: */ - if (q->siga_error) - q->error_status_flags|= - QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR; + /* else fallthrough and report error */ + default: + /* for plain cc=1, 2 or 3: */ + if (q->siga_error) q->error_status_flags|= - QDIO_STATUS_LOOK_FOR_ERROR; - q->siga_error=result; - } + QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR; + q->error_status_flags|= + QDIO_STATUS_LOOK_FOR_ERROR; + q->siga_error=result; + } } static inline void @@ -743,8 +1000,10 @@ qdio_outbound_processing(struct qdio_q *q) static inline int qdio_get_inbound_buffer_frontier(struct qdio_q *q) { + struct qdio_irq *irq; int f,f_mod_no; volatile char *slsb; + unsigned int count = 1; int first_not_to_check; #ifdef CONFIG_QDIO_DEBUG char dbf_text[15]; @@ -756,6 +1015,10 @@ qdio_get_inbound_buffer_frontier(struct qdio_q *q) QDIO_DBF_TEXT4(0,trace,"getibfro"); QDIO_DBF_HEX4(0,trace,&q,sizeof(void*)); + irq = (struct qdio_irq *) q->irq_ptr; + if (irq->is_qebsm) + return qdio_qebsm_get_inbound_buffer_frontier(q); + slsb=&q->slsb.acc.val[0]; f_mod_no=f=q->first_to_check; /* @@ -792,19 +1055,19 @@ check_next: * kill VM in terms of CP overhead */ if (q->siga_sync) { - set_slsb(&slsb[f_mod_no],SLSB_P_INPUT_NOT_INIT); + set_slsb(q, &f_mod_no, SLSB_P_INPUT_NOT_INIT, &count); } else { /* set the previous buffer to NOT_INIT. The current * buffer will be set to PROCESSING at the end of * this function to avoid further interrupts. */ if (last_position>=0) - set_slsb(&slsb[last_position], - SLSB_P_INPUT_NOT_INIT); + set_slsb(q, &last_position, + SLSB_P_INPUT_NOT_INIT, &count); atomic_set(&q->polling,1); last_position=f_mod_no; } #else /* QDIO_USE_PROCESSING_STATE */ - set_slsb(&slsb[f_mod_no],SLSB_P_INPUT_NOT_INIT); + set_slsb(q, &f_mod_no, SLSB_P_INPUT_NOT_INIT, &count); #endif /* QDIO_USE_PROCESSING_STATE */ /* * not needed, as the inbound queue will be synced on the next @@ -829,7 +1092,7 @@ check_next: QDIO_DBF_HEX2(1,sbal,q->sbal[f_mod_no],256); /* kind of process the buffer */ - set_slsb(&slsb[f_mod_no],SLSB_P_INPUT_NOT_INIT); + set_slsb(q, &f_mod_no, SLSB_P_INPUT_NOT_INIT, &count); if (q->qdio_error) q->error_status_flags|= @@ -857,7 +1120,7 @@ out: #ifdef QDIO_USE_PROCESSING_STATE if (last_position>=0) - set_slsb(&slsb[last_position],SLSB_P_INPUT_PROCESSING); + set_slsb(q, &last_position, SLSB_P_INPUT_NOT_INIT, &count); #endif /* QDIO_USE_PROCESSING_STATE */ QDIO_DBF_HEX4(0,trace,&q->first_to_check,sizeof(int)); @@ -902,6 +1165,10 @@ static inline int tiqdio_is_inbound_q_done(struct qdio_q *q) { int no_used; + unsigned int start_buf, count; + unsigned char state = 0; + struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; + #ifdef CONFIG_QDIO_DEBUG char dbf_text[15]; #endif @@ -927,8 +1194,13 @@ tiqdio_is_inbound_q_done(struct qdio_q *q) if (!q->siga_sync) /* we'll check for more primed buffers in qeth_stop_polling */ return 0; - - if (q->slsb.acc.val[q->first_to_check]!=SLSB_P_INPUT_PRIMED) + if (irq->is_qebsm) { + count = 1; + start_buf = q->first_to_check; + qdio_do_eqbs(q, &state, &start_buf, &count); + } else + state = q->slsb.acc.val[q->first_to_check]; + if (state != SLSB_P_INPUT_PRIMED) /* * nothing more to do, if next buffer is not PRIMED. * note that we did a SYNC_MEMORY before, that there @@ -955,6 +1227,10 @@ static inline int qdio_is_inbound_q_done(struct qdio_q *q) { int no_used; + unsigned int start_buf, count; + unsigned char state = 0; + struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; + #ifdef CONFIG_QDIO_DEBUG char dbf_text[15]; #endif @@ -973,8 +1249,13 @@ qdio_is_inbound_q_done(struct qdio_q *q) QDIO_DBF_TEXT4(0,trace,dbf_text); return 1; } - - if (q->slsb.acc.val[q->first_to_check]==SLSB_P_INPUT_PRIMED) { + if (irq->is_qebsm) { + count = 1; + start_buf = q->first_to_check; + qdio_do_eqbs(q, &state, &start_buf, &count); + } else + state = q->slsb.acc.val[q->first_to_check]; + if (state == SLSB_P_INPUT_PRIMED) { /* we got something to do */ QDIO_DBF_TEXT4(0,trace,"inqisntA"); QDIO_DBF_HEX4(0,trace,&q,sizeof(void*)); @@ -1456,7 +1737,7 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, void *ptr; int available; - sprintf(dbf_text,"qfqs%4x",cdev->private->irq); + sprintf(dbf_text,"qfqs%4x",cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); for (i=0;i<no_input_qs;i++) { q=irq_ptr->input_qs[i]; @@ -1476,7 +1757,7 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, q->queue_type=q_format; q->int_parm=int_parm; - q->irq=irq_ptr->irq; + q->schid = irq_ptr->schid; q->irq_ptr = irq_ptr; q->cdev = cdev; q->mask=1<<(31-i); @@ -1523,11 +1804,11 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*)); /* fill in slsb */ - for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) { - set_slsb(&q->slsb.acc.val[j], - SLSB_P_INPUT_NOT_INIT); -/* q->sbal[j]->element[1].sbalf.i1.key=QDIO_STORAGE_KEY;*/ - } + if (!irq_ptr->is_qebsm) { + unsigned int count = 1; + for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) + set_slsb(q, &j, SLSB_P_INPUT_NOT_INIT, &count); + } } for (i=0;i<no_output_qs;i++) { @@ -1549,7 +1830,7 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, q->queue_type=q_format; q->int_parm=int_parm; q->is_input_q=0; - q->irq=irq_ptr->irq; + q->schid = irq_ptr->schid; q->cdev = cdev; q->irq_ptr = irq_ptr; q->mask=1<<(31-i); @@ -1584,11 +1865,11 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, QDIO_DBF_HEX2(0,setup,&ptr,sizeof(void*)); /* fill in slsb */ - for (j=0;j<QDIO_MAX_BUFFERS_PER_Q;j++) { - set_slsb(&q->slsb.acc.val[j], - SLSB_P_OUTPUT_NOT_INIT); -/* q->sbal[j]->element[1].sbalf.i1.key=QDIO_STORAGE_KEY;*/ - } + if (!irq_ptr->is_qebsm) { + unsigned int count = 1; + for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) + set_slsb(q, &j, SLSB_P_OUTPUT_NOT_INIT, &count); + } } } @@ -1656,7 +1937,7 @@ qdio_set_state(struct qdio_irq *irq_ptr, enum qdio_irq_states state) char dbf_text[15]; QDIO_DBF_TEXT5(0,trace,"newstate"); - sprintf(dbf_text,"%4x%4x",irq_ptr->irq,state); + sprintf(dbf_text,"%4x%4x",irq_ptr->schid.sch_no,state); QDIO_DBF_TEXT5(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ @@ -1669,12 +1950,12 @@ qdio_set_state(struct qdio_irq *irq_ptr, enum qdio_irq_states state) } static inline void -qdio_irq_check_sense(int irq, struct irb *irb) +qdio_irq_check_sense(struct subchannel_id schid, struct irb *irb) { char dbf_text[15]; if (irb->esw.esw0.erw.cons) { - sprintf(dbf_text,"sens%4x",irq); + sprintf(dbf_text,"sens%4x",schid.sch_no); QDIO_DBF_TEXT2(1,trace,dbf_text); QDIO_DBF_HEX0(0,sense,irb,QDIO_DBF_SENSE_LEN); @@ -1785,21 +2066,22 @@ qdio_timeout_handler(struct ccw_device *cdev) switch (irq_ptr->state) { case QDIO_IRQ_STATE_INACTIVE: - QDIO_PRINT_ERR("establish queues on irq %04x: timed out\n", - irq_ptr->irq); + QDIO_PRINT_ERR("establish queues on irq 0.%x.%04x: timed out\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(1,setup,"eq:timeo"); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); break; case QDIO_IRQ_STATE_CLEANUP: - QDIO_PRINT_INFO("Did not get interrupt on cleanup, irq=0x%x.\n", - irq_ptr->irq); + QDIO_PRINT_INFO("Did not get interrupt on cleanup, " + "irq=0.%x.%x.\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); break; case QDIO_IRQ_STATE_ESTABLISHED: case QDIO_IRQ_STATE_ACTIVE: /* I/O has been terminated by common I/O layer. */ - QDIO_PRINT_INFO("Queues on irq %04x killed by cio.\n", - irq_ptr->irq); + QDIO_PRINT_INFO("Queues on irq 0.%x.%04x killed by cio.\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(1, trace, "cio:term"); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_STOPPED); if (get_device(&cdev->dev)) { @@ -1862,7 +2144,7 @@ qdio_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) } } - qdio_irq_check_sense(irq_ptr->irq, irb); + qdio_irq_check_sense(irq_ptr->schid, irb); #ifdef CONFIG_QDIO_DEBUG sprintf(dbf_text, "state:%d", irq_ptr->state); @@ -1905,7 +2187,7 @@ int qdio_synchronize(struct ccw_device *cdev, unsigned int flags, unsigned int queue_number) { - int cc; + int cc = 0; struct qdio_q *q; struct qdio_irq *irq_ptr; void *ptr; @@ -1918,7 +2200,7 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags, return -ENODEV; #ifdef CONFIG_QDIO_DEBUG - *((int*)(&dbf_text[4])) = irq_ptr->irq; + *((int*)(&dbf_text[4])) = irq_ptr->schid.sch_no; QDIO_DBF_HEX4(0,trace,dbf_text,QDIO_DBF_TRACE_LEN); *((int*)(&dbf_text[0]))=flags; *((int*)(&dbf_text[4]))=queue_number; @@ -1929,12 +2211,14 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags, q=irq_ptr->input_qs[queue_number]; if (!q) return -EINVAL; - cc = do_siga_sync(q->irq, 0, q->mask); + if (!(irq_ptr->is_qebsm)) + cc = do_siga_sync(q->schid, 0, q->mask); } else if (flags&QDIO_FLAG_SYNC_OUTPUT) { q=irq_ptr->output_qs[queue_number]; if (!q) return -EINVAL; - cc = do_siga_sync(q->irq, q->mask, 0); + if (!(irq_ptr->is_qebsm)) + cc = do_siga_sync(q->schid, q->mask, 0); } else return -EINVAL; @@ -1945,15 +2229,54 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags, return cc; } -static unsigned char -qdio_check_siga_needs(int sch) +static inline void +qdio_check_subchannel_qebsm(struct qdio_irq *irq_ptr, unsigned char qdioac, + unsigned long token) +{ + struct qdio_q *q; + int i; + unsigned int count, start_buf; + char dbf_text[15]; + + /*check if QEBSM is disabled */ + if (!(irq_ptr->is_qebsm) || !(qdioac & 0x01)) { + irq_ptr->is_qebsm = 0; + irq_ptr->sch_token = 0; + irq_ptr->qib.rflags &= ~QIB_RFLAGS_ENABLE_QEBSM; + QDIO_DBF_TEXT0(0,setup,"noV=V"); + return; + } + irq_ptr->sch_token = token; + /*input queue*/ + for (i = 0; i < irq_ptr->no_input_qs;i++) { + q = irq_ptr->input_qs[i]; + count = QDIO_MAX_BUFFERS_PER_Q; + start_buf = 0; + set_slsb(q, &start_buf, SLSB_P_INPUT_NOT_INIT, &count); + } + sprintf(dbf_text,"V=V:%2x",irq_ptr->is_qebsm); + QDIO_DBF_TEXT0(0,setup,dbf_text); + sprintf(dbf_text,"%8lx",irq_ptr->sch_token); + QDIO_DBF_TEXT0(0,setup,dbf_text); + /*output queue*/ + for (i = 0; i < irq_ptr->no_output_qs; i++) { + q = irq_ptr->output_qs[i]; + count = QDIO_MAX_BUFFERS_PER_Q; + start_buf = 0; + set_slsb(q, &start_buf, SLSB_P_OUTPUT_NOT_INIT, &count); + } +} + +static void +qdio_get_ssqd_information(struct qdio_irq *irq_ptr) { int result; unsigned char qdioac; - struct { struct chsc_header request; - u16 reserved1; + u16 reserved1:10; + u16 ssid:2; + u16 fmt:4; u16 first_sch; u16 reserved2; u16 last_sch; @@ -1964,67 +2287,83 @@ qdio_check_siga_needs(int sch) u8 reserved5; u16 sch; u8 qfmt; - u8 reserved6; - u8 qdioac; + u8 parm; + u8 qdioac1; u8 sch_class; u8 reserved7; u8 icnt; u8 reserved8; u8 ocnt; + u8 reserved9; + u8 mbccnt; + u16 qdioac2; + u64 sch_token; } *ssqd_area; + QDIO_DBF_TEXT0(0,setup,"getssqd"); + qdioac = 0; ssqd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!ssqd_area) { QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \ - "SIGAs for sch x%x.\n", sch); - return CHSC_FLAG_SIGA_INPUT_NECESSARY || - CHSC_FLAG_SIGA_OUTPUT_NECESSARY || - CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */ + "SIGAs for sch x%x.\n", irq_ptr->schid.sch_no); + irq_ptr->qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY || + CHSC_FLAG_SIGA_OUTPUT_NECESSARY || + CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */ + irq_ptr->is_qebsm = 0; + irq_ptr->sch_token = 0; + irq_ptr->qib.rflags &= ~QIB_RFLAGS_ENABLE_QEBSM; + return; } + ssqd_area->request = (struct chsc_header) { .length = 0x0010, .code = 0x0024, }; - - ssqd_area->first_sch = sch; - ssqd_area->last_sch = sch; - - result=chsc(ssqd_area); + ssqd_area->first_sch = irq_ptr->schid.sch_no; + ssqd_area->last_sch = irq_ptr->schid.sch_no; + ssqd_area->ssid = irq_ptr->schid.ssid; + result = chsc(ssqd_area); if (result) { QDIO_PRINT_WARN("CHSC returned cc %i. Using all " \ - "SIGAs for sch x%x.\n", - result,sch); + "SIGAs for sch 0.%x.%x.\n", result, + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY || CHSC_FLAG_SIGA_OUTPUT_NECESSARY || CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */ + irq_ptr->is_qebsm = 0; goto out; } if (ssqd_area->response.code != QDIO_CHSC_RESPONSE_CODE_OK) { QDIO_PRINT_WARN("response upon checking SIGA needs " \ - "is 0x%x. Using all SIGAs for sch x%x.\n", - ssqd_area->response.code, sch); + "is 0x%x. Using all SIGAs for sch 0.%x.%x.\n", + ssqd_area->response.code, + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY || CHSC_FLAG_SIGA_OUTPUT_NECESSARY || CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */ + irq_ptr->is_qebsm = 0; goto out; } if (!(ssqd_area->flags & CHSC_FLAG_QDIO_CAPABILITY) || !(ssqd_area->flags & CHSC_FLAG_VALIDITY) || - (ssqd_area->sch != sch)) { - QDIO_PRINT_WARN("huh? problems checking out sch x%x... " \ - "using all SIGAs.\n",sch); + (ssqd_area->sch != irq_ptr->schid.sch_no)) { + QDIO_PRINT_WARN("huh? problems checking out sch 0.%x.%x... " \ + "using all SIGAs.\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY | CHSC_FLAG_SIGA_OUTPUT_NECESSARY | CHSC_FLAG_SIGA_SYNC_NECESSARY; /* worst case */ + irq_ptr->is_qebsm = 0; goto out; } - - qdioac = ssqd_area->qdioac; + qdioac = ssqd_area->qdioac1; out: + qdio_check_subchannel_qebsm(irq_ptr, qdioac, + ssqd_area->sch_token); free_page ((unsigned long) ssqd_area); - return qdioac; + irq_ptr->qdioac = qdioac; } static unsigned int @@ -2055,6 +2394,13 @@ tiqdio_check_chsc_availability(void) sprintf(dbf_text,"hydrati%1x", hydra_thinints); QDIO_DBF_TEXT0(0,setup,dbf_text); +#ifdef CONFIG_64BIT + /* Check for QEBSM support in general (bit 58). */ + is_passthrough = css_general_characteristics.qebsm; +#endif + sprintf(dbf_text,"cssQBS:%1x", is_passthrough); + QDIO_DBF_TEXT0(0,setup,dbf_text); + /* Check for aif time delay disablement fac (bit 56). If installed, * omit svs even under lpar (good point by rick again) */ omit_svs = css_general_characteristics.aif_tdd; @@ -2091,7 +2437,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) /* set to 0x10000000 to enable * time delay disablement facility */ u32 reserved5; - u32 subsystem_id; + struct subchannel_id schid; u32 reserved6[1004]; struct chsc_header response; u32 reserved7; @@ -2113,7 +2459,8 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) scssc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!scssc_area) { QDIO_PRINT_WARN("No memory for setting indicators on " \ - "subchannel x%x.\n", irq_ptr->irq); + "subchannel 0.%x.%x.\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); return -ENOMEM; } scssc_area->request = (struct chsc_header) { @@ -2127,7 +2474,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) scssc_area->ks = QDIO_STORAGE_KEY; scssc_area->kc = QDIO_STORAGE_KEY; scssc_area->isc = TIQDIO_THININT_ISC; - scssc_area->subsystem_id = (1<<16) + irq_ptr->irq; + scssc_area->schid = irq_ptr->schid; /* enables the time delay disablement facility. Don't care * whether it is really there (i.e. we haven't checked for * it) */ @@ -2137,12 +2484,11 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) QDIO_PRINT_WARN("Time delay disablement facility " \ "not available\n"); - - result = chsc(scssc_area); if (result) { - QDIO_PRINT_WARN("could not set indicators on irq x%x, " \ - "cc=%i.\n",irq_ptr->irq,result); + QDIO_PRINT_WARN("could not set indicators on irq 0.%x.%x, " \ + "cc=%i.\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no,result); result = -EIO; goto out; } @@ -2198,7 +2544,8 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target) scsscf_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!scsscf_area) { QDIO_PRINT_WARN("No memory for setting delay target on " \ - "subchannel x%x.\n", irq_ptr->irq); + "subchannel 0.%x.%x.\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); return -ENOMEM; } scsscf_area->request = (struct chsc_header) { @@ -2210,8 +2557,10 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target) result=chsc(scsscf_area); if (result) { - QDIO_PRINT_WARN("could not set delay target on irq x%x, " \ - "cc=%i. Continuing.\n",irq_ptr->irq,result); + QDIO_PRINT_WARN("could not set delay target on irq 0.%x.%x, " \ + "cc=%i. Continuing.\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no, + result); result = -EIO; goto out; } @@ -2245,7 +2594,7 @@ qdio_cleanup(struct ccw_device *cdev, int how) if (!irq_ptr) return -ENODEV; - sprintf(dbf_text,"qcln%4x",irq_ptr->irq); + sprintf(dbf_text,"qcln%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT1(0,trace,dbf_text); QDIO_DBF_TEXT0(0,setup,dbf_text); @@ -2272,7 +2621,7 @@ qdio_shutdown(struct ccw_device *cdev, int how) down(&irq_ptr->setting_up_sema); - sprintf(dbf_text,"qsqs%4x",irq_ptr->irq); + sprintf(dbf_text,"qsqs%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT1(0,trace,dbf_text); QDIO_DBF_TEXT0(0,setup,dbf_text); @@ -2378,7 +2727,7 @@ qdio_free(struct ccw_device *cdev) down(&irq_ptr->setting_up_sema); - sprintf(dbf_text,"qfqs%4x",irq_ptr->irq); + sprintf(dbf_text,"qfqs%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT1(0,trace,dbf_text); QDIO_DBF_TEXT0(0,setup,dbf_text); @@ -2526,13 +2875,14 @@ qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat, irq_ptr = cdev->private->qdio_data; if (cstat || (dstat & ~(DEV_STAT_CHN_END|DEV_STAT_DEV_END))) { - sprintf(dbf_text,"ick1%4x",irq_ptr->irq); + sprintf(dbf_text,"ick1%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(1,trace,dbf_text); QDIO_DBF_HEX2(0,trace,&dstat,sizeof(int)); QDIO_DBF_HEX2(0,trace,&cstat,sizeof(int)); QDIO_PRINT_ERR("received check condition on establish " \ - "queues on irq 0x%x (cs=x%x, ds=x%x).\n", - irq_ptr->irq,cstat,dstat); + "queues on irq 0.%x.%x (cs=x%x, ds=x%x).\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no, + cstat,dstat); qdio_set_state(irq_ptr,QDIO_IRQ_STATE_ERR); } @@ -2540,9 +2890,10 @@ qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat, QDIO_DBF_TEXT2(1,setup,"eq:no de"); QDIO_DBF_HEX2(0,setup,&dstat, sizeof(dstat)); QDIO_DBF_HEX2(0,setup,&cstat, sizeof(cstat)); - QDIO_PRINT_ERR("establish queues on irq %04x: didn't get " + QDIO_PRINT_ERR("establish queues on irq 0.%x.%04x: didn't get " "device end: dstat=%02x, cstat=%02x\n", - irq_ptr->irq, dstat, cstat); + irq_ptr->schid.ssid, irq_ptr->schid.sch_no, + dstat, cstat); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); return 1; } @@ -2551,10 +2902,10 @@ qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat, QDIO_DBF_TEXT2(1,setup,"eq:badio"); QDIO_DBF_HEX2(0,setup,&dstat, sizeof(dstat)); QDIO_DBF_HEX2(0,setup,&cstat, sizeof(cstat)); - QDIO_PRINT_ERR("establish queues on irq %04x: got " + QDIO_PRINT_ERR("establish queues on irq 0.%x.%04x: got " "the following devstat: dstat=%02x, " - "cstat=%02x\n", - irq_ptr->irq, dstat, cstat); + "cstat=%02x\n", irq_ptr->schid.ssid, + irq_ptr->schid.sch_no, dstat, cstat); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); return 1; } @@ -2569,7 +2920,7 @@ qdio_establish_handle_irq(struct ccw_device *cdev, int cstat, int dstat) irq_ptr = cdev->private->qdio_data; - sprintf(dbf_text,"qehi%4x",cdev->private->irq); + sprintf(dbf_text,"qehi%4x",cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); @@ -2588,7 +2939,7 @@ qdio_initialize(struct qdio_initialize *init_data) int rc; char dbf_text[15]; - sprintf(dbf_text,"qini%4x",init_data->cdev->private->irq); + sprintf(dbf_text,"qini%4x",init_data->cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); @@ -2609,7 +2960,7 @@ qdio_allocate(struct qdio_initialize *init_data) struct qdio_irq *irq_ptr; char dbf_text[15]; - sprintf(dbf_text,"qalc%4x",init_data->cdev->private->irq); + sprintf(dbf_text,"qalc%4x",init_data->cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); if ( (init_data->no_input_qs>QDIO_MAX_QUEUES_PER_IRQ) || @@ -2682,7 +3033,7 @@ int qdio_fill_irq(struct qdio_initialize *init_data) irq_ptr->int_parm=init_data->int_parm; - irq_ptr->irq = init_data->cdev->private->irq; + irq_ptr->schid = ccw_device_get_subchannel_id(init_data->cdev); irq_ptr->no_input_qs=init_data->no_input_qs; irq_ptr->no_output_qs=init_data->no_output_qs; @@ -2698,11 +3049,12 @@ int qdio_fill_irq(struct qdio_initialize *init_data) QDIO_DBF_TEXT2(0,setup,dbf_text); if (irq_ptr->is_thinint_irq) { - irq_ptr->dev_st_chg_ind=qdio_get_indicator(); + irq_ptr->dev_st_chg_ind = qdio_get_indicator(); QDIO_DBF_HEX1(0,setup,&irq_ptr->dev_st_chg_ind,sizeof(void*)); if (!irq_ptr->dev_st_chg_ind) { QDIO_PRINT_WARN("no indicator location available " \ - "for irq 0x%x\n",irq_ptr->irq); + "for irq 0.%x.%x\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no); qdio_release_irq_memory(irq_ptr); return -ENOBUFS; } @@ -2747,6 +3099,10 @@ int qdio_fill_irq(struct qdio_initialize *init_data) irq_ptr->qdr->qkey=QDIO_STORAGE_KEY; /* fill in qib */ + irq_ptr->is_qebsm = is_passthrough; + if (irq_ptr->is_qebsm) + irq_ptr->qib.rflags |= QIB_RFLAGS_ENABLE_QEBSM; + irq_ptr->qib.qfmt=init_data->q_format; if (init_data->no_input_qs) irq_ptr->qib.isliba=(unsigned long)(irq_ptr->input_qs[0]->slib); @@ -2829,7 +3185,7 @@ qdio_establish(struct qdio_initialize *init_data) tiqdio_set_delay_target(irq_ptr,TIQDIO_DELAY_TARGET); } - sprintf(dbf_text,"qest%4x",cdev->private->irq); + sprintf(dbf_text,"qest%4x",cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); @@ -2855,9 +3211,10 @@ qdio_establish(struct qdio_initialize *init_data) sprintf(dbf_text,"eq:io%4x",result); QDIO_DBF_TEXT2(1,setup,dbf_text); } - QDIO_PRINT_WARN("establish queues on irq %04x: do_IO " \ - "returned %i, next try returned %i\n", - irq_ptr->irq,result,result2); + QDIO_PRINT_WARN("establish queues on irq 0.%x.%04x: do_IO " \ + "returned %i, next try returned %i\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no, + result, result2); result=result2; if (result) ccw_device_set_timeout(cdev, 0); @@ -2884,7 +3241,7 @@ qdio_establish(struct qdio_initialize *init_data) return -EIO; } - irq_ptr->qdioac=qdio_check_siga_needs(irq_ptr->irq); + qdio_get_ssqd_information(irq_ptr); /* if this gets set once, we're running under VM and can omit SVSes */ if (irq_ptr->qdioac&CHSC_FLAG_SIGA_SYNC_NECESSARY) omit_svs=1; @@ -2930,7 +3287,7 @@ qdio_activate(struct ccw_device *cdev, int flags) goto out; } - sprintf(dbf_text,"qact%4x", irq_ptr->irq); + sprintf(dbf_text,"qact%4x", irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(0,setup,dbf_text); QDIO_DBF_TEXT2(0,trace,dbf_text); @@ -2955,9 +3312,10 @@ qdio_activate(struct ccw_device *cdev, int flags) sprintf(dbf_text,"aq:io%4x",result); QDIO_DBF_TEXT2(1,setup,dbf_text); } - QDIO_PRINT_WARN("activate queues on irq %04x: do_IO " \ - "returned %i, next try returned %i\n", - irq_ptr->irq,result,result2); + QDIO_PRINT_WARN("activate queues on irq 0.%x.%04x: do_IO " \ + "returned %i, next try returned %i\n", + irq_ptr->schid.ssid, irq_ptr->schid.sch_no, + result, result2); result=result2; } @@ -3015,30 +3373,40 @@ static inline void qdio_do_qdio_fill_input(struct qdio_q *q, unsigned int qidx, unsigned int count, struct qdio_buffer *buffers) { + struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; + qidx &= (QDIO_MAX_BUFFERS_PER_Q - 1); + if (irq->is_qebsm) { + while (count) + set_slsb(q, &qidx, SLSB_CU_INPUT_EMPTY, &count); + return; + } for (;;) { - set_slsb(&q->slsb.acc.val[qidx],SLSB_CU_INPUT_EMPTY); + set_slsb(q, &qidx, SLSB_CU_INPUT_EMPTY, &count); count--; if (!count) break; - qidx=(qidx+1)&(QDIO_MAX_BUFFERS_PER_Q-1); + qidx = (qidx + 1) & (QDIO_MAX_BUFFERS_PER_Q - 1); } - - /* not necessary, as the queues are synced during the SIGA read */ - /*SYNC_MEMORY;*/ } static inline void qdio_do_qdio_fill_output(struct qdio_q *q, unsigned int qidx, unsigned int count, struct qdio_buffer *buffers) { + struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; + + qidx &= (QDIO_MAX_BUFFERS_PER_Q - 1); + if (irq->is_qebsm) { + while (count) + set_slsb(q, &qidx, SLSB_CU_OUTPUT_PRIMED, &count); + return; + } + for (;;) { - set_slsb(&q->slsb.acc.val[qidx],SLSB_CU_OUTPUT_PRIMED); + set_slsb(q, &qidx, SLSB_CU_OUTPUT_PRIMED, &count); count--; if (!count) break; - qidx=(qidx+1)&(QDIO_MAX_BUFFERS_PER_Q-1); + qidx = (qidx + 1) & (QDIO_MAX_BUFFERS_PER_Q - 1); } - - /* SIGA write will sync the queues */ - /*SYNC_MEMORY;*/ } static inline void @@ -3083,6 +3451,9 @@ do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags, struct qdio_buffer *buffers) { int used_elements; + unsigned int cnt, start_buf; + unsigned char state = 0; + struct qdio_irq *irq = (struct qdio_irq *) q->irq_ptr; /* This is the outbound handling of queues */ #ifdef QDIO_PERFORMANCE_STATS @@ -3115,9 +3486,15 @@ do_qdio_handle_outbound(struct qdio_q *q, unsigned int callflags, * SYNC_MEMORY :-/ ), we try to * fast-requeue buffers */ - if (q->slsb.acc.val[(qidx+QDIO_MAX_BUFFERS_PER_Q-1) - &(QDIO_MAX_BUFFERS_PER_Q-1)]!= - SLSB_CU_OUTPUT_PRIMED) { + if (irq->is_qebsm) { + cnt = 1; + start_buf = ((qidx+QDIO_MAX_BUFFERS_PER_Q-1) & + (QDIO_MAX_BUFFERS_PER_Q-1)); + qdio_do_eqbs(q, &state, &start_buf, &cnt); + } else + state = q->slsb.acc.val[(qidx+QDIO_MAX_BUFFERS_PER_Q-1) + &(QDIO_MAX_BUFFERS_PER_Q-1) ]; + if (state != SLSB_CU_OUTPUT_PRIMED) { qdio_kick_outbound_q(q); } else { QDIO_DBF_TEXT3(0,trace, "fast-req"); @@ -3150,7 +3527,7 @@ do_QDIO(struct ccw_device *cdev,unsigned int callflags, #ifdef CONFIG_QDIO_DEBUG char dbf_text[20]; - sprintf(dbf_text,"doQD%04x",cdev->private->irq); + sprintf(dbf_text,"doQD%04x",cdev->private->sch_no); QDIO_DBF_TEXT3(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ |