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Redo how default Node and Port WWNs are determined (again!). This is so

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we don't stomp on the differences between ports for a Qlogic 2202.
This commit is contained in:
Matt Jacob 2000-10-12 23:49:09 +00:00
parent 9cf43b9716
commit c914d4237d
1 changed files with 66 additions and 29 deletions
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95
sys/dev/isp/isp.c
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@ -1001,6 +1001,7 @@ isp_fibre_init(isp)
isp_icb_t *icbp;
mbreg_t mbs;
int loopid;
u_int64_t nwwn, pwwn;
fcp = isp->isp_param;
@ -1084,10 +1085,19 @@ isp_fibre_init(isp)
}
icbp->icb_logintime = 60; /* 60 second login timeout */
if (fcp->isp_nodewwn) {
MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_nodewwn);
MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname, fcp->isp_portwwn);
nwwn = ISP_NODEWWN(isp);
pwwn = ISP_PORTWWN(isp);
if (nwwn && pwwn) {
MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, nwwn);
MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname, pwwn);
isp_prt(isp, ISP_LOGDEBUG1,
"Setting ICB Node 0x%08x%08x Port 0x%08x%08x",
((u_int32_t) (nwwn >> 32)),
((u_int32_t) (nwwn & 0xffffffff)),
((u_int32_t) (pwwn >> 32)),
((u_int32_t) (pwwn & 0xffffffff)));
} else {
isp_prt(isp, ISP_LOGDEBUG1, "Not using any WWNs");
fcp->isp_fwoptions &= ~(ICBOPT_USE_PORTNAME|ICBOPT_FULL_LOGIN);
}
icbp->icb_rqstqlen = RQUEST_QUEUE_LEN(isp);
@ -4901,36 +4911,61 @@ isp_parse_nvram_2100(isp, nvram_data)
u_int64_t wwn;
/*
* There is supposed to be WWNN storage as distinct
* from WWPN storage in NVRAM, but it doesn't appear
* to be used sanely across all cards.
* There is NVRAM storage for both Port and Node entities-
* but the Node entity appears to be unused on all the cards
* I can find. However, we should account for this being set
* at some point in the future.
*
* Qlogic WWNs have an NAA of 2, but usually nothing shows up in
* bits 48..60. In the case of the 2202, it appears that they do
* use bit 48 to distinguish between the two instances on the card.
* The 2204, which I've never seen, *probably* extends this method.
*/
wwn = ISP2100_NVRAM_PORT_NAME(nvram_data);
if (wwn != 0LL) {
switch ((int) (wwn >> 60)) {
case 0:
/*
* Broken PTI cards with nothing in the top nibble. Pah.
*/
wwn |= (2LL << 60);
/* FALLTHROUGH */
case 2:
fcp->isp_nodewwn = wwn;
fcp->isp_nodewwn &= ~((0xfffLL) << 48);
fcp->isp_portwwn =
PORT_FROM_NODE_WWN(isp, fcp->isp_nodewwn);
break;
default:
fcp->isp_portwwn = fcp->isp_nodewwn = wwn;
if (wwn) {
isp_prt(isp, ISP_LOGCONFIG, "NVRAM Port WWN 0x%08x%08x",
(u_int32_t) (wwn >> 32), (u_int32_t) (wwn & 0xffffffff));
if ((wwn >> 60) == 0) {
wwn |= (((u_int64_t) 2)<< 60);
}
}
isp_prt(isp, ISP_LOGCONFIG, "NVRAM Derived Node WWN 0x%08x%08x",
(u_int32_t) (fcp->isp_nodewwn >> 32),
(u_int32_t) (fcp->isp_nodewwn & 0xffffffff));
isp_prt(isp, ISP_LOGCONFIG, "NVRAM Derived Port WWN 0x%08x%08x",
(u_int32_t) (fcp->isp_portwwn >> 32),
(u_int32_t) (fcp->isp_portwwn & 0xffffffff));
fcp->isp_portwwn = wwn;
wwn = ISP2100_NVRAM_NODE_NAME(nvram_data);
if (wwn) {
isp_prt(isp, ISP_LOGCONFIG, "NVRAM Node WWN 0x%08x%08x",
(u_int32_t) (wwn >> 32), (u_int32_t) (wwn & 0xffffffff));
if ((wwn >> 60) == 0) {
wwn |= (((u_int64_t) 2)<< 60);
}
}
fcp->isp_nodewwn = wwn;
/*
* Make sure we have both Node and Port as non-zero values.
*/
if (fcp->isp_nodewwn != 0 && fcp->isp_portwwn == 0) {
fcp->isp_portwwn = fcp->isp_nodewwn;
} else if (fcp->isp_nodewwn == 0 && fcp->isp_portwwn != 0) {
fcp->isp_nodewwn = fcp->isp_portwwn;
}
/*
* Make the Node and Port values sane if they're NAA == 2.
* This means to clear bits 48..56 for the Node WWN and
* make sure that there's some non-zero value in 48..56
* for the Port WWN.
*/
if (fcp->isp_nodewwn && fcp->isp_portwwn) {
if ((fcp->isp_nodewwn & (((u_int64_t) 0xfff) << 48)) != 0 &&
(fcp->isp_nodewwn >> 60) == 2) {
fcp->isp_nodewwn &= ~((u_int64_t) 0xfff << 48);
}
if ((fcp->isp_portwwn & (((u_int64_t) 0xfff) << 48)) == 0 &&
(fcp->isp_portwwn >> 60) == 2) {
fcp->isp_portwwn |= ((u_int64_t) 1 << 56);
}
}
fcp->isp_maxalloc =
ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data);
fcp->isp_maxfrmlen =
@ -4944,4 +4979,6 @@ isp_parse_nvram_2100(isp, nvram_data)
fcp->isp_execthrottle =
ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data);
fcp->isp_fwoptions = ISP2100_NVRAM_OPTIONS(nvram_data);
isp_prt(isp, ISP_LOGDEBUG0,
"fwoptions from nvram are 0x%x", fcp->isp_fwoptions);
}