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scescsi.c
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/* SCESCSI.C (c) Copyright Jan Jaeger, 1999-2012 */
/* Service Control Element SCSI Boot Support Functions */
/* z/Architecture support - (c) Copyright Jan Jaeger, 1999-2012 */
#include "hstdinc.h"
DISABLE_GCC_WARNING( "-Wunused-function" )
#include "hercules.h"
#include "opcode.h"
#include "inline.h"
#include "service.h"
#if defined(_FEATURE_HARDWARE_LOADER)
#if !defined(_SCEHWL_C)
#define _SCEHWL_C
#define BOOT_PARM_ADDR 0x01FFD000
#define SDIAS_STORE_STATUS_MAXSIZE 0x02000000
#define HWL_MAXFILETYPE 8 /* Number of supported files */
/* Store Status data retrieval request */
typedef struct _SCSI_BOOT_BK {
/*000*/ FWORD xml_off; /* Offset to XML data */
/*004*/ FWORD resv004;
/*008*/ FWORD scp_off; /* Offset to SCP data */
/*00C*/ FWORD resv00c;
/*010*/ FWORD resv010[78];
/*148*/ BYTE ldind; /* Load/Dump indicator */
#define SCSI_BOOT_LDIND_LOAD 0x10
#define SCSI_BOOT_LDIND_DUMP 0x20
/*149*/ BYTE resv149[3];
/*14C*/ HWORD resv14c;
/*14E*/ HWORD devno; /* Device Number */
/*150*/ FWORD resv150;
/*154*/ DBLWRD wwpn; /* World Wide Port Name */
/*15C*/ DBLWRD lun; /* LUN */
/*164*/ FWORD prog; /* Boot Program */
/*168*/ FWORD resv168[3];
/*174*/ DBLWRD brlba; /* br_lba */
/*17C*/ FWORD scp_len; /* Length of SCP Data */
/*180*/ FWORD resv180[65];
} SCSI_BOOT_BK;
/* Store Status data retrieval request */
typedef struct _SCCB_SDIAS_BK {
/*006*/ BYTE event_qual;
#define SCCB_SDIAS_ENVENTQUAL_EQ_INFO 0x01
#define SCCB_SDIAS_ENVENTQUAL_EQ_READ 0x00
/*007*/ BYTE data_id;
#define SCCB_SDIAS_DATAID_FCPDUMP 0x00
/*008*/ DBLWRD reserved2;
/*010*/ FWORD event_id;
#define SCCB_SDIAS_ENVENTID_4712 4712
/*014*/ HWORD reserved3;
/*016*/ BYTE asa_size;
#define SCCB_SDIAS_ASASIZE_32 0x00
#define SCCB_SDIAS_ASASIZE_64 0x01
/*017*/ BYTE event_status;
#define SCCB_SDIAS_STATUS_ALL_STORED 0x00
#define SCCB_SDIAS_STATUS_PART_STORED 0x03
#define SCCB_SDIAS_STATUS_NO_DATA 0x10
/*018*/ FWORD reserved4;
/*01C*/ FWORD blk_cnt;
/*020*/ DBLWRD asa;
/*028*/ FWORD reserved5;
/*02C*/ FWORD fbn;
/*030*/ FWORD reserved6;
/*034*/ FWORD lbn;
/*038*/ HWORD reserved7;
/*03A*/ HWORD dbs;
#define SCCB_SDIAS_DBS_1 0x01
} SCCB_SDIAS_BK;
/* Hardware load request */
typedef struct _SCCB_HWL_BK {
/*006*/ BYTE type;
#define SCCB_HWL_TYPE_LOAD 0x00 /* Load request */
#define SCCB_HWL_TYPE_RESET 0x01 /* Reset request */
#define SCCB_HWL_TYPE_INFO 0x02 /* Load info request */
/*007*/ BYTE file;
#define SCCB_HWL_FILE_SCSIBOOT 0x02 /* SCSI Boot Loader */
/*008*/ FWORD resv1[2];
/*010*/ FWORD hwl; /* Pointer to HWL BK */
/*014*/ HWORD resv2;
/*016*/ BYTE asa; /* Archmode */
/*017*/ BYTE resv3;
/*018*/ DBLWRD sto; /* Segment Table Origin */
/*020*/ FWORD resv4[3];
/*02C*/ FWORD size; /* Length in 4K pages */
} SCCB_HWL_BK;
struct name2file {
char *name;
unsigned int file;
};
struct name2file n2flist[] = {
{ "scsiboot", SCCB_HWL_FILE_SCSIBOOT },
#if 0
{ "netboot", 7 }, // Hercules implementation of PXE style netboot for OSA
#endif
{ NULL, 0 } };
static U64 scsi_lddev_wwpn[2];
static U64 scsi_lddev_lun[2];
static U32 scsi_lddev_prog[2];
static U64 scsi_lddev_brlba[2];
static BYTE *scsi_lddev_scpdata[2];
static TID hwl_tid; /* Thread id of the hardware
loader */
static char *hwl_fn[HWL_MAXFILETYPE]; /* Files by type */
#if 0
all of this is dead code
#if 1
static inline void DUMP(char* name, void* ptr, int len)
{
int i;
logmsg(_("DATA: %4.4X %s"), len, name);
for(i = 0; i < len; i++)
{
if(!(i & 15))
logmsg(_("\n%4.4X:"), i);
logmsg(_(" %2.2X"), ((BYTE*)ptr)[i]);
}
logmsg(_("\n"));
}
#else
#define DUMP(_name, _ptr, _len)
#endif
#endif
#endif /*defined(_FEATURE_HARDWARE_LOADER)*/
#endif /*!defined(_SCEHWL_C)*/
#if defined(FEATURE_HARDWARE_LOADER)
/*-------------------------------------------------------------------*/
/* Funtion to load file to main storage */
/*-------------------------------------------------------------------*/
static void ARCH_DEP(hwl_loadfile)(SCCB_HWL_BK *hwl_bk)
{
CREG sto;
U32 size;
int fd;
fd = open (hwl_fn[hwl_bk->file], O_RDONLY|O_BINARY);
if (fd < 0)
{
logmsg (_("HHCHL002I %s open error: %s\n"),
hwl_fn[hwl_bk->file], strerror(errno));
return;
}
// else
// logmsg(_("HHCHL004I Loading %s\n"),hwl_fn[hwl_bk->file]);
FETCH_FW(size,hwl_bk->size);
/* Segment Table Origin */
FETCH_DW(sto,hwl_bk->sto);
#if defined(FEATURE_ESAME)
sto &= ASCE_TO;
#else /*!defined(FEATURE_ESAME)*/
sto &= STD_STO;
#endif /*!defined(FEATURE_ESAME)*/
for( ; ; sto += sizeof(sto))
{
#if defined(FEATURE_ESAME)
DBLWRD *ste;
#else /*!defined(FEATURE_ESAME)*/
FWORD *ste;
#endif /*!defined(FEATURE_ESAME)*/
CREG pto, pti;
/* Fetch segment table entry and calculate Page Table Origin */
if( sto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
ste = (DBLWRD*)(sysblk.mainstor + sto);
#else /*!defined(FEATURE_ESAME)*/
ste = (FWORD*)(sysblk.mainstor + sto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pto, ste);
if( pto & SEGTAB_INVALID )
goto eof;
#if defined(FEATURE_ESAME)
pto &= ZSEGTAB_PTO;
#else /*!defined(FEATURE_ESAME)*/
pto &= SEGTAB_PTO;
#endif /*!defined(FEATURE_ESAME)*/
for(pti = 0; pti < 256 ; pti++, pto += sizeof(pto))
{
#if defined(FEATURE_ESAME)
DBLWRD *pte;
#else /*!defined(FEATURE_ESAME)*/
FWORD *pte;
#endif /*!defined(FEATURE_ESAME)*/
CREG pgo;
BYTE *page;
/* Fetch Page Table Entry to get page origin */
if( pto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
pte = (DBLWRD*)(sysblk.mainstor + pto);
#else /*!defined(FEATURE_ESAME)*/
pte = (FWORD*)(sysblk.mainstor + pto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pgo, pte);
if( pgo & PAGETAB_INVALID )
goto eof;
#if defined(FEATURE_ESAME)
pgo &= ZPGETAB_PFRA;
#else /*!defined(FEATURE_ESAME)*/
pgo &= PAGETAB_PFRA;
#endif /*!defined(FEATURE_ESAME)*/
/* Read page into main storage */
if( pgo >= sysblk.mainsize)
goto eof;
page = sysblk.mainstor + pgo;
if( !(size--) || !read(fd, page, STORAGE_KEY_PAGESIZE) )
goto eof;
STORAGE_KEY(pgo, &sysblk) |= (STORKEY_REF|STORKEY_CHANGE);
}
}
eof:
close(fd);
}
/*-------------------------------------------------------------------*/
/* Async thread to process service processor file load */
/*-------------------------------------------------------------------*/
static void* ARCH_DEP(hwl_thread)(void* arg)
{
SCCB_HWL_BK *hwl_bk = (SCCB_HWL_BK*) arg;
if(hwl_bk->file < HWL_MAXFILETYPE && hwl_fn[hwl_bk->file])
{
switch(hwl_bk->type) {
/* INFO request returns the required region size in 4K pages */
case SCCB_HWL_TYPE_INFO:
{
struct stat st;
if(!stat(hwl_fn[hwl_bk->file], &st) )
{
U32 size;
size = st.st_size;
size += 0x00000FFF;
size &= 0xFFFFF000;
size >>= 12;
STORE_FW(hwl_bk->size,size);
}
else
logmsg(_("HHCHL001I Hardware loader %s: %s\n"),
hwl_fn[hwl_bk->file],strerror(errno));
}
break;
/* Load request will load the image into fixed virtual storage
the Segment Table Origin is listed in the hwl_bk */
case SCCB_HWL_TYPE_LOAD:
#if defined(FEATURE_ESAME)
if(!hwl_bk->asa)
s390_hwl_loadfile(hwl_bk);
else
#endif /*defined(FEATURE_ESAME)*/
ARCH_DEP(hwl_loadfile)(hwl_bk);
break;
}
}
// else
// logmsg(_("HHCHL005I Hardware loader file type %d not not supported\n"),
// hwl_bk->file);
hwl_tid = 0;
OBTAIN_INTLOCK(NULL);
sclp_attention(SCCB_EVD_TYPE_HWL);
RELEASE_INTLOCK(NULL);
return NULL;
}
/*-------------------------------------------------------------------*/
/* Function to process service processor file load */
/*-------------------------------------------------------------------*/
static int ARCH_DEP(hwl_request)(U32 sclp_command, SCCB_EVD_HDR *evd_hdr)
{
SCCB_HWL_BK *hwl_bk = (SCCB_HWL_BK*)(evd_hdr + 1);
static SCCB_HWL_BK static_hwl_bk;
static int hwl_pending;
if(sclp_command == SCLP_READ_EVENT_DATA)
{
int pending_req = hwl_pending;
/* Return no data if the hardware loader thread is still active */
if(hwl_tid)
return 0;
/* Update the hwl_bk copy in the SCCB */
if(hwl_pending)
*hwl_bk = static_hwl_bk;
/* Reset the pending flag */
hwl_pending = 0;
/* Return true if a request was pending */
return pending_req;
}
switch(hwl_bk->type) {
case SCCB_HWL_TYPE_INFO:
case SCCB_HWL_TYPE_LOAD:
/* Return error if the hwl thread is already active */
if( hwl_tid )
return -1;
/* Take a copy of the hwl_bk in the SCCB */
static_hwl_bk = *hwl_bk;
/* Reset pending flag */
hwl_pending = 0;
/* Create the hwl thread */
if( create_thread(&hwl_tid, &sysblk.detattr,
ARCH_DEP(hwl_thread), &static_hwl_bk, "hwl_thread") )
return -1;
/* Set pending flag */
hwl_pending = 1;
return 0;
#if !defined(NO_SIGABEND_HANDLER)
case SCCB_HWL_TYPE_RESET:
/* Kill the hwl thread if it is active */
if( hwl_tid )
{
OBTAIN_INTLOCK(NULL);
signal_thread(hwl_tid, SIGKILL);
hwl_tid = 0;
hwl_pending = 0;
RELEASE_INTLOCK(NULL);
}
return 0;
#endif
default:
logmsg(_("HHCHL003I Unknown hardware loader request type %2.2X\n"),
hwl_bk->type);
return -1;
}
}
/*-------------------------------------------------------------------*/
/* Function to request service processor file load */
/*-------------------------------------------------------------------*/
void ARCH_DEP(sclp_hwl_request) (SCCB_HEADER *sccb)
{
SCCB_EVD_HDR *evd_hdr = (SCCB_EVD_HDR*)(sccb + 1);
if( ARCH_DEP(hwl_request)(SCLP_WRITE_EVENT_DATA, evd_hdr) )
{
/* Set response code X'0040' in SCCB header */
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_BACKOUT;
}
else
{
/* Set response code X'0020' in SCCB header */
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_COMPLETE;
}
/* Indicate Event Processed */
evd_hdr->flag |= SCCB_EVD_FLAG_PROC;
}
/*-------------------------------------------------------------------*/
/* Function to read service processor file load event data */
/*-------------------------------------------------------------------*/
void ARCH_DEP(sclp_hwl_event) (SCCB_HEADER *sccb)
{
SCCB_EVD_HDR *evd_hdr = (SCCB_EVD_HDR*)(sccb + 1);
U16 sccb_len;
U16 evd_len;
if( ARCH_DEP(hwl_request)(SCLP_READ_EVENT_DATA, evd_hdr) )
{
/* Zero all fields */
memset (evd_hdr, 0, sizeof(SCCB_EVD_HDR));
/* Set length in event header */
evd_len = sizeof(SCCB_EVD_HDR) + sizeof(SCCB_HWL_BK);
STORE_HW(evd_hdr->totlen, evd_len);
/* Set type in event header */
evd_hdr->type = SCCB_EVD_TYPE_HWL;
/* Update SCCB length field if variable request */
if (sccb->type & SCCB_TYPE_VARIABLE)
{
FETCH_HW(evd_len, evd_hdr->totlen);
sccb_len = evd_len + sizeof(SCCB_HEADER);
STORE_HW(sccb->length, sccb_len);
sccb->type &= ~SCCB_TYPE_VARIABLE;
}
/* Set response code X'0020' in SCCB header */
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_COMPLETE;
}
}
/*-------------------------------------------------------------------*/
/* Function to request service processor store status info */
/*-------------------------------------------------------------------*/
void ARCH_DEP(sclp_sdias_request) (SCCB_HEADER *sccb)
{
SCCB_EVD_HDR *evd_hdr = (SCCB_EVD_HDR*)(sccb + 1);
#if 0
if( ARCH_DEP(sdias_request)(SCLP_WRITE_EVENT_DATA, evd_hdr) )
{
/* Set response code X'0040' in SCCB header */
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_BACKOUT;
}
else
{
/* Set response code X'0020' in SCCB header */
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_COMPLETE;
}
#else
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_BACKOUT;
#endif
/* Indicate Event Processed */
evd_hdr->flag |= SCCB_EVD_FLAG_PROC;
}
/*-------------------------------------------------------------------*/
/* Function to read service processor store status info event data */
/*-------------------------------------------------------------------*/
void ARCH_DEP(sclp_sdias_event) (SCCB_HEADER *sccb)
{
#if 0
SCCB_EVD_HDR *evd_hdr = (SCCB_EVD_HDR*)(sccb + 1);
U16 sccb_len;
U16 evd_len;
if( ARCH_DEP(sdias_request)(SCLP_READ_EVENT_DATA, evd_hdr) )
{
/* Zero all fields */
memset (evd_hdr, 0, sizeof(SCCB_EVD_HDR));
/* Set length in event header */
evd_len = sizeof(SCCB_EVD_HDR) + sizeof(SCCB_HWL_BK);
STORE_HW(evd_hdr->totlen, evd_len);
/* Set type in event header */
evd_hdr->type = SCCB_EVD_TYPE_HWL;
/* Update SCCB length field if variable request */
if (sccb->type & SCCB_TYPE_VARIABLE)
{
FETCH_HW(evd_len, evd_hdr->totlen);
sccb_len = evd_len + sizeof(SCCB_HEADER);
STORE_HW(sccb->length, sccb_len);
sccb->type &= ~SCCB_TYPE_VARIABLE;
}
/* Set response code X'0020' in SCCB header */
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_COMPLETE;
}
#else
sccb->reas = SCCB_REAS_NONE;
sccb->resp = SCCB_RESP_BACKOUT;
#endif
}
#endif /*defined(FEATURE_HARDWARE_LOADER)*/
#if defined(_FEATURE_HARDWARE_LOADER)
static BYTE *sdias_hsa;
static U32 sdias_size;
/*-------------------------------------------------------------------*/
/* Function to clear store status information in the HSA */
/*-------------------------------------------------------------------*/
void ARCH_DEP(sdias_store_status_clear)(REGS *regs)
{
UNREFERENCED(regs);
sdias_size = 0;
if(sdias_hsa)
free(sdias_hsa);
sdias_hsa = NULL;
}
/*-------------------------------------------------------------------*/
/* Function to save store status information in the HSA */
/*-------------------------------------------------------------------*/
void ARCH_DEP(sdias_store_status)(REGS *regs)
{
UNREFERENCED(regs);
sdias_size = sysblk.mainsize < SDIAS_STORE_STATUS_MAXSIZE
? sysblk.mainsize : SDIAS_STORE_STATUS_MAXSIZE;
if(!sdias_hsa)
sdias_hsa = malloc(SDIAS_STORE_STATUS_MAXSIZE);
if(sdias_hsa)
memcpy(sdias_hsa,sysblk.mainstor,sdias_size);
else
logmsg(_("HHCSB010 Store Status save to HSA failed\n"));
}
#endif /*defined(_FEATURE_HARDWARE_LOADER)*/
#if defined(_FEATURE_SCSI_IPL)
/*-------------------------------------------------------------------*/
/* Function to store boot parameters in main storage */
/*-------------------------------------------------------------------*/
int ARCH_DEP(store_boot_parms) (DEVBLK *dev, int ldind)
{
PSA *psa;
SCSI_BOOT_BK *sb_bk;
BYTE *xml;
int scp_len;
if(sysblk.mainsize < (BOOT_PARM_ADDR + 0x1000))
return -1;
psa = (PSA*)sysblk.mainstor;
STORE_DW(psa->iplccw2,BOOT_PARM_ADDR);
sb_bk = (SCSI_BOOT_BK*)(sysblk.mainstor + BOOT_PARM_ADDR);
memset(sb_bk,0x00,0x1000);
sb_bk->ldind = ldind ? SCSI_BOOT_LDIND_DUMP : SCSI_BOOT_LDIND_LOAD;
STORE_HW(sb_bk->devno,dev->devnum);
STORE_DW(sb_bk->wwpn,scsi_lddev_wwpn[ldind]);
STORE_DW(sb_bk->lun,scsi_lddev_lun[ldind]);
STORE_FW(sb_bk->prog,scsi_lddev_prog[ldind]);
STORE_DW(sb_bk->brlba,scsi_lddev_brlba[ldind]);
if(scsi_lddev_scpdata[ldind])
{
scp_len = strlen((char*)scsi_lddev_scpdata[ldind]);
if(scp_len > 256)
scp_len = 256; // Sanity check
STORE_FW(sb_bk->scp_len,scp_len);
memcpy((BYTE*)(sb_bk+1), scsi_lddev_scpdata[ldind], scp_len);
}
else
scp_len = 0;
scp_len += 7;
scp_len &= ~7;
STORE_FW(sb_bk->xml_off,sizeof(SCSI_BOOT_BK) + scp_len);
STORE_FW(sb_bk->scp_off,sizeof(SCSI_BOOT_BK) + scp_len - 8); // ZZ:???
xml = (BYTE*)(sb_bk+1) + scp_len;
xml += sprintf((char*)xml, "<?xml version=\"1.0\" encoding =\"UTF-8\"?>\n" );
xml += sprintf((char*)xml, "<eServer_ipl_script version=\"1.0\">\n" );
xml += sprintf((char*)xml, "<type>%s</type>\n", ldind ? "dump" : "ipl" );
xml += sprintf((char*)xml, "<ipl_control_section id=\"herculesipl-1\">\n" );
xml += sprintf((char*)xml, "<ipl_platform_loader>\n" );
xml += sprintf((char*)xml, "<fcp_ipl>\n" );
xml += sprintf((char*)xml, "<devno>0x%4.4X</devno>\n", dev->devnum);
xml += sprintf((char*)xml, "<wwpn>0x%16.16"PRIX64"</wwpn>\n", scsi_lddev_wwpn[ldind]);
xml += sprintf((char*)xml, "<lun>0x%16.16"PRIX64"</lun>\n", scsi_lddev_lun[ldind]);
xml += sprintf((char*)xml, "<boot_program_selector>0x%8.8X</boot_program_selector>\n", scsi_lddev_prog[ldind]);
xml += sprintf((char*)xml, "<br_lba>0x%16.16"PRIX64"</br_lba>\n", scsi_lddev_brlba[ldind]);
xml += sprintf((char*)xml, "</fcp_ipl>\n" );
xml += sprintf((char*)xml, "</ipl_platform_loader>\n" );
if(scp_len)
{
xml += sprintf((char*)xml, "<system_control_program>\n" );
xml += sprintf((char*)xml, "<parameter_string>%s</parameter_string>\n", scsi_lddev_scpdata[ldind]);
xml += sprintf((char*)xml, "</system_control_program>\n" );
}
xml += sprintf((char*)xml, "</ipl_control_section>\n" );
xml += sprintf((char*)xml, "</eServer_ipl_script>\n" );
return 0;
}
/*-------------------------------------------------------------------*/
/* Function to BOOT bootstrap loader */
/*-------------------------------------------------------------------*/
int ARCH_DEP(load_boot) (DEVBLK *dev, int cpu, int clear, int ldind)
{
REGS *regs = sysblk.regs[cpu];
int bootfile;
bootfile = support_boot(dev);
if(bootfile < 0 || !hwl_fn[bootfile])
return -1; // Should not occur, has been validated.
if (ARCH_DEP(common_load_begin) (cpu, clear) != 0)
return -1;
if( ARCH_DEP(load_main) (hwl_fn[bootfile], 0, 0) < 0)
{
logmsg(_("HHCSB010 Cannot load bootstrap loader %s: %s\n"),
hwl_fn[bootfile],strerror(errno));
return -1;
}
sysblk.main_clear = sysblk.xpnd_clear = 0;
if( ARCH_DEP(store_boot_parms)(dev, ldind) )
return -1;
return ARCH_DEP(common_load_finish)(regs);
}
#endif /*defined(_FEATURE_SCSI_IPL)*/
#if !defined(_GEN_ARCH)
#if defined(_ARCHMODE2)
#define _GEN_ARCH _ARCHMODE2
#include "scescsi.c"
#endif
#if defined(_ARCHMODE3)
#undef _GEN_ARCH
#define _GEN_ARCH _ARCHMODE3
#include "scescsi.c"
#endif
#if defined(_FEATURE_HARDWARE_LOADER)
static char *file2name(unsigned int file)
{
struct name2file *ntf;
static char name[8];
for(ntf = n2flist; ntf->name && ntf->file != file; ntf++);
if(ntf->name)
return ntf->name;
snprintf(name,sizeof(name),"type%u",file);
return name;
}
/*-------------------------------------------------------------------*/
/* Command to specify the bootstrap loader */
/*-------------------------------------------------------------------*/
int hwldr_cmd(int argc, char *argv[], char *cmdline)
{
struct name2file *ntf;
unsigned int file;
char c;
int n;
UNREFERENCED(cmdline);
if(argc > 1)
{
for(ntf = n2flist; ntf->name && strcasecmp(ntf->name,argv[1]); ntf++);
file = ntf->file;
if(!(!ntf->name
&& !strncasecmp("type",argv[1],4)
&& isdigit(*(argv[1]+4))
&& sscanf(argv[1]+4, "%u%c", &file, &c) == 1
&& file < HWL_MAXFILETYPE))
{
if(!ntf->name)
{
logmsg(_("HHCSB001 Invalid file %s\n"),argv[1]);
return -1;
}
}
if(argc > 2)
{
for(n = 2; n < argc && file < HWL_MAXFILETYPE; n++, file++)
{
if(hwl_fn[file])
free(hwl_fn[file]);
if(strcasecmp(argv[n],"none") && strlen(argv[n]))
hwl_fn[file] = strdup(argv[n]);
else
hwl_fn[file] = NULL;
}
}
else
{
logmsg(_("%-8s %s\n"),file2name(file),hwl_fn[file]);
return 0;
}
}
else
for(file = 0; file < HWL_MAXFILETYPE; file++)
if(hwl_fn[file])
logmsg(_("%-8s %s\n"),file2name(file),hwl_fn[file]);
return 0;
}
#endif /*defined(_FEATURE_HARDWARE_LOADER)*/
#if defined(_FEATURE_SCSI_IPL)
/*-------------------------------------------------------------------*/
/* loaddv / dumpdev commands to specify boot parameters */
/*-------------------------------------------------------------------*/
int lddev_cmd(int argc, char *argv[], char *cmdline)
{
int i;
char c;
int ldind; /* Load / Dump indicator */
UNREFERENCED(cmdline);
ldind = ((islower(*argv[0]) ? toupper(*argv[0]) : *argv[0] ) == 'L')
? 0 : 1;
if(argc > 1)
{
// process all command line options here
for(i = 1; i < argc; i++)
{
if(!strcasecmp("portname",argv[i]) && (i+1) < argc)
{
if(sscanf(argv[++i], "%"SCNx64"%c", &scsi_lddev_wwpn[ldind], &c) != 1)
logmsg(_("HHCSB002 Invalid PORTNAME\n"));
continue;
}
else if(!strcasecmp("lun",argv[i]) && (i+1) < argc)
{
if(sscanf(argv[++i], "%"SCNx64"%c", &scsi_lddev_lun[ldind], &c) != 1)
logmsg(_("HHCSB003 Invalid LUN\n"));
continue;
}
else if(!strcasecmp("bootprog",argv[i]) && (i+1) < argc)
{
if(sscanf(argv[++i], "%"SCNx32"%c", &scsi_lddev_prog[ldind], &c) != 1)
logmsg(_("HHCSB004 Invalid BOOTPROG\n"));
continue;
}
else if(!strcasecmp("br_lba",argv[i]) && (i+1) < argc)
{
if(sscanf(argv[++i], "%"SCNx64"%c", &scsi_lddev_brlba[ldind], &c) != 1)
logmsg(_("HHCSB005 Invalid BR_LBA\n"));
continue;
}
else if(!strcasecmp("scpdata",argv[i]) && (i+1) < argc)
{
if(scsi_lddev_scpdata[ldind])
free(scsi_lddev_scpdata[ldind]);
if(strlen(argv[i+1]))
scsi_lddev_scpdata[ldind] = (BYTE*)strdup(argv[++i]);
else
scsi_lddev_scpdata[ldind] = NULL;
continue;
}
else
{
logmsg(_("HHCSB006 Invalid option %s\n"),argv[i]);
return -1;
}
}
}
else
{
if(scsi_lddev_wwpn[ldind])
logmsg(_("portname %16.16"PRIx64"\n"),scsi_lddev_wwpn[ldind]);
if(scsi_lddev_lun[ldind])
logmsg(_("lun %16.16"PRIx64"\n"),scsi_lddev_lun[ldind]);
if(scsi_lddev_prog[ldind])
logmsg(_("bootprog %8.8x\n"),scsi_lddev_prog[ldind]);
if(scsi_lddev_brlba[ldind])
logmsg(_("br_lba %16.16"PRIx64"\n"),scsi_lddev_brlba[ldind]);
if(scsi_lddev_scpdata[ldind])
logmsg(_("scpdata %s\n"),scsi_lddev_scpdata[ldind]);
}
return 0;
}
/*-------------------------------------------------------------------*/
/* Function to validate if the bootfile */
/*-------------------------------------------------------------------*/
static inline int validate_boot(unsigned int file)
{
return ((file < HWL_MAXFILETYPE && hwl_fn[file]) ? (int) file : -1);
}
/*-------------------------------------------------------------------*/
/* Function to determine if device supports the boot process */
/*-------------------------------------------------------------------*/
int support_boot(DEVBLK *dev)
{
U32 dt, ct;
ct = dev->devid[1] << 16 | dev->devid[2] << 8 | dev->devid[3];
dt = dev->devid[4] << 16 | dev->devid[5] << 8 | dev->devid[6];
switch(ct) {
#if 0
case 0x173101:
switch(dt) {
case 0x173201: // OSA
return validate_boot(7);
}
break;
#endif
case 0x173103:
switch(dt) {
case 0x173203: // FCP
return validate_boot(SCCB_HWL_FILE_SCSIBOOT);
}
break;
}
return -1;
}
/*-------------------------------------------------------------------*/
/* Function to BOOT bootstrap loader */
/*-------------------------------------------------------------------*/
int load_boot (DEVBLK *dev, int cpu, int clear, int ldind)
{
switch(sysblk.arch_mode) {
#if defined(_370)
case ARCH_370:
return s370_load_boot (dev, cpu, clear, ldind);
#endif
#if defined(_390)
case ARCH_390:
return s390_load_boot (dev, cpu, clear, ldind);
#endif
#if defined(_900)
case ARCH_900:
/* z/Arch always starts out in ESA390 mode */
return s390_load_boot (dev, cpu, clear, ldind);
#endif
}
return -1;
}
#endif /*defined(_FEATURE_SCSI_IPL)*/
#endif /*!defined(_GEN_ARCH)*/