/
chsc.c
646 lines (495 loc) · 18.6 KB
/
chsc.c
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/* CHSC.C (c) Copyright Jan Jaeger, 2002-2012 */
/* Channel Subsystem Call */
/* Interpretive Execution - (c) Copyright Jan Jaeger, 1999-2012 */
/* z/Architecture support - (c) Copyright Jan Jaeger, 1999-2012 */
/* This module implements channel subsystem interface functions */
/* for the Hercules ESA/390 emulator. */
/* */
/* This implementation is based on the S/390 Linux implementation */
#include "hstdinc.h"
#if !defined(_HENGINE_DLL_)
#define _HENGINE_DLL_
#endif
#if !defined(_CHSC_C_)
#define _CHSC_C_
#endif
#include "hercules.h"
#include "opcode.h"
#include "inline.h"
#include "chsc.h"
#if defined(FEATURE_CHSC)
#if 0
static int ARCH_DEP(chsc_get_conf_info) (CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
U16 req_len, rsp_len;
CHSC_REQ12 *chsc_req12 = (CHSC_REQ12 *)(chsc_req);
CHSC_RSP12 *chsc_rsp12 = (CHSC_RSP12 *)(chsc_rsp+1);
/* Fetch length of request field */
FETCH_HW(req_len, chsc_req12->length);
rsp_len = sizeof(CHSC_RSP) + sizeof(CHSC_RSP12);
memset(chsc_rsp12, 0, sizeof(CHSC_RSP12) );
STORE_HW(chsc_rsp12->len1,80);
STORE_FW(chsc_rsp12->info1,0x10);
STORE_FW(chsc_rsp12->info2,0x10);
STORE_FW(chsc_rsp12->info3,0xFF);
STORE_FW(chsc_rsp12->test,0xE3C5E2E3);
/* Store response length */
STORE_HW(chsc_rsp->length,rsp_len);
/* Store request OK */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
#endif
static int ARCH_DEP(chsc_get_sch_desc) (CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
U16 req_len, sch, f_sch, l_sch, rsp_len, lcss;
CHSC_REQ4 *chsc_req4 = (CHSC_REQ4 *)(chsc_req);
CHSC_RSP4 *chsc_rsp4 = (CHSC_RSP4 *)(chsc_rsp+1);
FETCH_HW(f_sch,chsc_req4->f_sch);
FETCH_HW(l_sch,chsc_req4->l_sch);
FETCH_HW(lcss,chsc_req4->ssidfmt);
lcss &= CHSC_REQ4_SSID;
lcss >>= 4;
/* Fetch length of request field */
FETCH_HW(req_len, chsc_req4->length);
rsp_len = sizeof(CHSC_RSP) + ((1 + l_sch - f_sch) * sizeof(CHSC_RSP4));
if(l_sch < f_sch
|| rsp_len > (0x1000 - req_len)) {
/* Set response field length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store request error */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_ERRREQ);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
for(sch = f_sch; sch <= l_sch; sch++, chsc_rsp4++)
{
DEVBLK *dev;
memset(chsc_rsp4, 0, sizeof(CHSC_RSP4) );
if((dev = find_device_by_subchan((LCSS_TO_SSID(lcss) << 16)|sch)))
{
int n;
chsc_rsp4->sch_val = 1;
if(dev->pmcw.flag5 & PMCW5_V)
chsc_rsp4->dev_val = 1;
chsc_rsp4->st = (dev->pmcw.flag25 & PMCW25_TYPE) >> 5;
chsc_rsp4->unit_addr = dev->devnum & 0xff;
STORE_HW(chsc_rsp4->devno,dev->devnum);
chsc_rsp4->path_mask = dev->pmcw.pim;
STORE_HW(chsc_rsp4->sch, sch);
memcpy(chsc_rsp4->chpid, dev->pmcw.chpid, 8);
if(dev->fla[0])
chsc_rsp4->fla_valid_mask = dev->pmcw.pim;
for(n = 0; n < 7; n++)
if(dev->pmcw.pim & (0x80 >> n))
STORE_HW(chsc_rsp4->fla[n], dev->fla[n]);
}
}
/* Store response length */
STORE_HW(chsc_rsp->length,rsp_len);
/* Store request OK */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
#if 0
static int ARCH_DEP(chsc_get_cu_desc) (CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
U16 req_len, sch, f_sch, l_sch, rsp_len, lcss;
CHSC_REQ6 *chsc_req6 = (CHSC_REQ6 *)(chsc_req);
CHSC_RSP6 *chsc_rsp6 = (CHSC_RSP6 *)(chsc_rsp+1);
FETCH_HW(f_sch,chsc_req6->f_sch);
FETCH_HW(l_sch,chsc_req6->l_sch);
FETCH_HW(lcss,chsc_req6->ssidfmt);
lcss &= CHSC_REQ6_SSID;
/* Fetch length of request field */
FETCH_HW(req_len, chsc_req6->length);
rsp_len = sizeof(CHSC_RSP) + ((1 + l_sch - f_sch) * sizeof(CHSC_RSP6));
if(l_sch < f_sch
|| rsp_len > (0x1000 - req_len)) {
/* Set response field length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store request error */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_ERRREQ);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
for(sch = f_sch; sch <= l_sch; sch++, chsc_rsp6++)
{
DEVBLK *dev;
memset(chsc_rsp6, 0, sizeof(CHSC_RSP6) );
if((dev = find_device_by_subchan((LCSS_TO_SSID(lcss) << 16)|sch)))
{
int n;
chsc_rsp6->sch_val = 1;
if(dev->pmcw.flag5 & PMCW5_V)
chsc_rsp6->dev_val = 1;
chsc_rsp6->st = (dev->pmcw.flag25 & PMCW25_TYPE) >> 5;
chsc_rsp6->fla_valid_mask = dev->pmcw.pim;
STORE_HW(chsc_rsp6->devnum,dev->devnum);
STORE_HW(chsc_rsp6->sch, sch);
memcpy(chsc_rsp6->chpid, dev->pmcw.chpid, 8);
for(n = 0; n < 7; n++)
STORE_HW(chsc_rsp6->fla[n], dev->fla[n]);
}
}
/* Store response length */
STORE_HW(chsc_rsp->length,rsp_len);
/* Store request OK */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
#endif
static int ARCH_DEP(chsc_get_css_info) (REGS *regs, CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
CHSC_RSP10 *chsc_rsp10;
U16 req_len, rsp_len;
UNREFERENCED(chsc_req);
chsc_rsp10 = (CHSC_RSP10 *)(chsc_rsp + 1);
/* Fetch length of request field */
FETCH_HW(req_len, chsc_req->length);
rsp_len = sizeof(CHSC_RSP) + sizeof(CHSC_RSP10);
if(rsp_len > (0x1000 - req_len)) {
/* Set response field length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store request error */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_ERRREQ);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
STORE_HW(chsc_rsp->length,rsp_len);
memset(chsc_rsp10->general_char, 0, sizeof(chsc_rsp10->general_char));
memset(chsc_rsp10->chsc_char, 0, sizeof(chsc_rsp10->chsc_char));
#if defined(FEATURE_REGION_RELOCATE)
CHSC_SB(chsc_rsp10->general_char,2);
CHSC_SB(chsc_rsp10->general_char,5);
#endif
#if defined(FEATURE_CANCEL_IO_FACILITY)
CHSC_SB(chsc_rsp10->general_char,6);
#endif
CHSC_SB(chsc_rsp10->general_char,7); /* Concurrent Sense */
CHSC_SB(chsc_rsp10->general_char,12); /* Dynamic IO */
#if defined(FEATURE_QUEUED_DIRECT_IO)
CHSC_SB(chsc_rsp10->general_char,41); /* Adapter Int Fac */
CHSC_SB(chsc_rsp10->chsc_char,1); /* 0x0002 Supported */
#if 0
CHSC_SB(chsc_rsp10->chsc_char,2); /* 0x0006 Supported */
#endif
CHSC_SB(chsc_rsp10->chsc_char,3); /* 0x0004 Supported */
CHSC_SB(chsc_rsp10->chsc_char,8); /* 0x0024 Supported */
if(FACILITY_ENABLED(QDIO_ASSIST, regs))
CHSC_SB(chsc_rsp10->general_char,61); /* QDIO Assist */
#endif /*defined(FEATURE_QUEUED_DIRECT_IO)*/
#if defined(_FEATURE_QDIO_TDD)
if(FACILITY_ENABLED(QDIO_TDD, regs))
CHSC_SB(chsc_rsp10->general_char,56); /* AIF Time Delay Dis */
#endif /*defined(_FEATURE_QDIO_TDD)*/
#if defined(_FEATURE_QEBSM)
if(FACILITY_ENABLED(QEBSM, regs))
{
CHSC_SB(chsc_rsp10->general_char,58); /* SQBS/EQBS Available */
CHSC_SB(chsc_rsp10->general_char,66); /* SQBS/EQBS Interpret */
}
#endif /*defined(_FEATURE_QEBSM)*/
#if defined(_FEATURE_QDIO_THININT)
if(FACILITY_ENABLED(QDIO_THININT, regs))
{
CHSC_SB(chsc_rsp10->general_char,67); /* OSA/FCP Thin Ints */
CHSC_SB(chsc_rsp10->chsc_char,107); /* 0x0021 Supported */
}
#endif /*defined(_FEATURE_QDIO_THININT)*/
// CHSC_SB(chsc_rsp10->general_char,45); /* Multiple CSS */
// CHSC_SB(chsc_rsp10->general_char,64); /* QDIO Multiple CU */
// CHSC_SB(chsc_rsp10->general_char,65); /* OSA System Console */
// CHSC_SB(chsc_rsp10->general_char,82); /* CIB */
// CHSC_SB(chsc_rsp10->general_char,88); /* FCX */
// CHSC_SB(chsc_rsp10->chsc_char,84); /* SECM */
// CHSC_SB(chsc_rsp10->chsc_char,86); /* SCMC */
// CHSC_SB(chsc_rsp10->chsc_char,107); /* Set Channel Subsys Char */
// CHSC_SB(chsc_rsp10->chsc_char,108); /* Fast CHSCs */
/* Store request OK */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
static int ARCH_DEP(chsc_get_ssqd) (CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
U16 req_len, sch, f_sch, l_sch, rsp_len, lcss;
CHSC_REQ24 *chsc_req24 = (CHSC_REQ24 *)(chsc_req);
CHSC_RSP24 *chsc_rsp24 = (CHSC_RSP24 *)(chsc_rsp+1);
FETCH_HW(f_sch,chsc_req24->first_sch);
FETCH_HW(l_sch,chsc_req24->last_sch);
FETCH_HW(lcss,chsc_req24->ssidfmt);
lcss &= CHSC_REQ24_SSID;
lcss >>= 4;
/* Fetch length of request field */
FETCH_HW(req_len, chsc_req24->length);
rsp_len = sizeof(CHSC_RSP) + ((1 + l_sch - f_sch) * sizeof(CHSC_RSP24));
if(l_sch < f_sch
|| rsp_len > (0x1000 - req_len)) {
/* Set response field length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store request error */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_ERRREQ);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
for(sch = f_sch; sch <= l_sch; sch++, chsc_rsp24++)
{
DEVBLK *dev;
memset(chsc_rsp24, 0, sizeof(CHSC_RSP24) );
if((dev = find_device_by_subchan((LCSS_TO_SSID(lcss) << 16)|sch)))
if(dev->hnd->ssqd)
(dev->hnd->ssqd)(dev, chsc_rsp24);
}
/* Store response length */
STORE_HW(chsc_rsp->length,rsp_len);
/* Store request OK */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
#if 0
static int ARCH_DEP(chsc_enable_facility) (CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
U16 req_len, rsp_len, facility;
CHSC_REQ31* chsc_req31 = (CHSC_REQ31*) (chsc_req);
CHSC_RSP31* chsc_rsp31 = (CHSC_RSP31*) (chsc_rsp+1);
/* Fetch length of request field and validate */
FETCH_HW( req_len, chsc_req31->length );
/* Calculate response length */
rsp_len = sizeof(CHSC_RSP) + sizeof(CHSC_RSP31);
if (req_len < rsp_len) {
STORE_HW( chsc_rsp->length, sizeof(CHSC_RSP));
STORE_HW( chsc_rsp->rsp, CHSC_REQ_ERRREQ);
STORE_FW( chsc_rsp->info, 0);
return 0;
}
/* Prepare the response */
STORE_HW( chsc_rsp->length, rsp_len );
STORE_FW( chsc_rsp->info, 0);
memset(chsc_rsp31, 0, sizeof(CHSC_RSP31) );
// STORE_FW( chsc_rsp31->resv1, 0);
/* Fetch requested facility and enable it */
FETCH_HW( facility, chsc_req31->facility );
switch (facility)
{
case CHSC_REQ31_MSS:
// if(FACILITY_ENABLED_DEV(MCSS))
{
/* Enable Multiple Subchannel-Sets Facility */
STORE_HW( chsc_rsp->rsp, CHSC_REQ_OK );
}
default: /* Unknown Facility */
STORE_HW( chsc_rsp->rsp, CHSC_REQ_FACILITY );
break;
}
return 0; /* call success */
}
#endif
#if defined(_FEATURE_QDIO_THININT)
static int ARCH_DEP(chsc_set_sci) (CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
DEVBLK *dev;
U32 ssid;
int rc;
CHSC_REQ21 *chsc_req21 = (CHSC_REQ21 *)(chsc_req);
/* Fetch length of request field */
FETCH_FW(ssid, chsc_req21->ssid);
if((dev = find_device_by_subchan(ssid)))
if(dev->hnd->ssci)
if(!(rc = (dev->hnd->ssci)(dev, chsc_req21)))
{
/* Store response length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store request OK */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return rc;
}
/* Store response length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store request OK */
// STORE_HW(chsc_rsp->rsp,CHSC_REQ_ERRREQ);
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
#endif /*defined(_FEATURE_QDIO_THININT)*/
static int ARCH_DEP(chsc_get_chp_desc) (CHSC_REQ *chsc_req, CHSC_RSP *chsc_rsp)
{
U16 req_len, rsp_len;
int chp;
CHSC_REQ2 *chsc_req2 = (CHSC_REQ2 *)(chsc_req);
CHSC_RSP2 *chsc_rsp2 = (CHSC_RSP2 *)(chsc_rsp+1);
CHSC_RSP2F1 *chsc_rsp2f1 = (CHSC_RSP2F1 *)(chsc_rsp+1);
/* Fetch length of request field */
FETCH_HW(req_len, chsc_req2->length);
rsp_len = sizeof(CHSC_RSP) + ((1 + chsc_req2->last_chpid - chsc_req2->first_chpid) * ((chsc_req2->flags & CHSC_REQ2_F1_C) ? sizeof(CHSC_RSP2F1) : sizeof(CHSC_RSP2)));
if(chsc_req2->first_chpid > chsc_req2->last_chpid
|| rsp_len > (0x1000 - req_len)) {
// ZZ || (chsc_req2->rfmt != 1 && chsc_req2->rfmt != 2)) {
/* Set response field length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store request error */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_ERRREQ);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
for(chp = chsc_req2->first_chpid; chp <= chsc_req2->last_chpid; chp++, chsc_rsp2++, chsc_rsp2f1++)
{
if(!(chsc_req2->flags & CHSC_REQ2_F1_C))
{
DEVBLK *dev;
memset(chsc_rsp2, 0, sizeof(CHSC_RSP2) );
chsc_rsp2->chpid = chp;
for (dev = sysblk.firstdev; dev != NULL; dev = dev->nextdev)
if (dev->allocated
&& (dev->pmcw.chpid[0] == chp)
&& dev->chptype[0])
{
chsc_rsp2->flags = 0x80;
chsc_rsp2->chp_type = dev->chptype[0];
// chsc_rsp2->lsn = 0;
// chsc_rsp2->swla = 0;
// chsc_rsp2->chla = 0;
// chsc_rsp2->chpp = 0;
}
}
else
{
DEVBLK *dev;
memset(chsc_rsp2f1, 0, sizeof(CHSC_RSP2F1) );
chsc_rsp2f1->chpid = chp;
for (dev = sysblk.firstdev; dev != NULL; dev = dev->nextdev)
if (dev->allocated
&& (dev->pmcw.chpid[0] == chp)
&& dev->chptype[0])
{
chsc_rsp2f1->flags = 0x80;
chsc_rsp2f1->chp_type = dev->chptype[0];
// chsc_rsp2f1->lsn = 0;
// chsc_rsp2f1->chpp = 0;
// STORE_HW(chsc_rsp2f1->mdc,0x0000);
// STORE_HW(chsc_rsp2f1->flags2,0x0000);
}
}
}
/* Store response length */
STORE_HW(chsc_rsp->length,rsp_len);
/* Store request OK */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_OK);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
return 0;
}
/*-------------------------------------------------------------------*/
/* B25F CHSC - Channel Subsystem Call [RRE] */
/*-------------------------------------------------------------------*/
DEF_INST(channel_subsystem_call)
{
int r1, r2; /* register values */
VADR n; /* Unsigned work */
BYTE *mn; /* Unsigned work */
U16 req_len; /* Length of request */
U16 req; /* Request code */
CHSC_REQ *chsc_req; /* Request structure */
CHSC_RSP *chsc_rsp; /* Response structure*/
RRE(inst, regs, r1, r2);
// ARCH_DEP(display_inst) (regs, inst);
PRIV_CHECK(regs);
SIE_INTERCEPT(regs);
PTT(PTT_CL_INF,"CHSC",regs->GR_L(r1),regs->GR_L(r2),regs->psw.IA_L);
n = regs->GR(r1) & ADDRESS_MAXWRAP(regs);
if(n & 0xFFF)
ARCH_DEP(program_interrupt) (regs, PGM_SPECIFICATION_EXCEPTION);
mn = MADDR(n, r1, regs, ACCTYPE_READ, regs->psw.pkey);
chsc_req = (CHSC_REQ*)(mn);
/* Fetch length of request field */
FETCH_HW(req_len, chsc_req->length);
chsc_rsp = (CHSC_RSP*)((BYTE*)chsc_req + req_len);
if((req_len < sizeof(CHSC_REQ))
|| (req_len > (0x1000 - sizeof(CHSC_RSP))))
ARCH_DEP(program_interrupt) (regs, PGM_OPERAND_EXCEPTION);
FETCH_HW(req,chsc_req->req);
ARCH_DEP(validate_operand) (n, r1, 0, ACCTYPE_WRITE, regs);
switch(req) {
case CHSC_REQ_CHPDESC: // 0x0002
regs->psw.cc = ARCH_DEP(chsc_get_chp_desc) (chsc_req, chsc_rsp);
break;
case CHSC_REQ_SCHDESC: // 0x0004
regs->psw.cc = ARCH_DEP(chsc_get_sch_desc) (chsc_req, chsc_rsp);
break;
#if 0
case CHSC_REQ_CUDESC: // 0x0006
regs->psw.cc = ARCH_DEP(chsc_get_cu_desc) (chsc_req, chsc_rsp);
break;
#endif
case CHSC_REQ_CSSINFO: // 0x0010
regs->psw.cc = ARCH_DEP(chsc_get_css_info) (regs, chsc_req, chsc_rsp);
break;
#if 0
case 0x0012: // 0x0012
regs->psw.cc = ARCH_DEP(chsc_get_conf_info) (chsc_req, chsc_rsp);
break;
#endif
#if defined(_FEATURE_QDIO_THININT)
case CHSC_REQ_SETSSSI: // 0x0021
if(FACILITY_ENABLED(QDIO_THININT, regs))
{
regs->psw.cc = ARCH_DEP(chsc_set_sci) (chsc_req, chsc_rsp);
break;
}
else
goto chsc_error;
/* Fall through to unkown request if thinint not supported */
#endif /*defined(_FEATURE_QDIO_THININT)*/
case CHSC_REQ_GETSSQD: // 0x0024
regs->psw.cc = ARCH_DEP(chsc_get_ssqd) (chsc_req, chsc_rsp);
break;
#if 0
case CHSC_REQ_ENFACIL: // 0x0031
regs->psw.cc = ARCH_DEP(chsc_enable_facility) (chsc_req, chsc_rsp);
break;
#endif
default:
chsc_error:
PTT(PTT_CL_ERR,"*CHSC",regs->GR_L(r1),regs->GR_L(r2),regs->psw.IA_L);
if( HDC3(debug_chsc_unknown_request, chsc_rsp, chsc_req, regs) )
break;
/* Set response field length */
STORE_HW(chsc_rsp->length,sizeof(CHSC_RSP));
/* Store unsupported command code */
STORE_HW(chsc_rsp->rsp,CHSC_REQ_INVALID);
/* No reaon code */
STORE_FW(chsc_rsp->info,0);
/* The instr. succeeds even if request does not? */
regs->psw.cc = 0;
}
}
#endif /*defined(FEATURE_CHSC)*/
#if !defined(_GEN_ARCH)
#if defined(_ARCHMODE2)
#define _GEN_ARCH _ARCHMODE2
#include "chsc.c"
#endif
#if defined(_ARCHMODE3)
#undef _GEN_ARCH
#define _GEN_ARCH _ARCHMODE3
#include "chsc.c"
#endif
#endif /*!defined(_GEN_ARCH)*/