Bug #2373: SGI Altix platform support. (Shrijeet Mukherjee, Jesse Barnes,
Bjorn Helgaas, Egbert Eich.)
This commit is contained in:
parent
8565b6c0e2
commit
16c2499b8f
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@ -124,7 +124,8 @@ extern int ffs(unsigned long);
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# if !defined(__arm__)
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# if !defined(__sparc__) && !defined(__arm32__) \
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&& !(defined(__alpha__) && defined(linux))
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&& !(defined(__alpha__) && defined(linux)) \
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&& !(defined(__ia64__) && defined(linux)) \
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extern void outb(unsigned short, unsigned char);
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extern void outw(unsigned short, unsigned short);
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@ -162,7 +163,7 @@ extern unsigned short ldw_brx(volatile unsigned char *, int);
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# ifndef NO_INLINE
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# ifdef __GNUC__
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# if (defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && defined(__alpha__)
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# if (defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && (defined(__alpha__))
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# ifdef linux
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/* for Linux on Alpha, we use the LIBC _inx/_outx routines */
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@ -494,11 +495,16 @@ __ustw (unsigned long r5, unsigned short * r11)
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# undef outb
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# undef outw
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# undef outl
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# undef inb
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# undef inw
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# undef inl
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extern void outb(unsigned long port, unsigned char val);
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extern void outw(unsigned long port, unsigned short val);
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extern void outl(unsigned long port, unsigned int val);
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extern unsigned int inb(unsigned long port);
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extern unsigned int inw(unsigned long port);
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extern unsigned int inl(unsigned long port);
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# define outb(a,b) _outb(b,a)
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# define outw(a,b) _outw(b,a)
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# define outl(a,b) _outl(b,a)
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# elif defined(linux) && defined(__amd64__)
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# include <inttypes.h>
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@ -1857,7 +1857,7 @@ xf86RegisterResources(int entityIndex, resList list, unsigned long access)
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range.type = (range.type & ~ResAccMask) | (access & ResAccMask);
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}
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range.type &= ~ResEstimated; /* Not allowed for drivers */
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#if !(defined(__alpha__) && defined(linux))
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#if !((defined(__alpha__) || (defined(__ia64__))) && defined(linux))
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/* On Alpha Linux, do not check for conflicts, trust the kernel. */
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if (checkConflict(&range, Acc, entityIndex, SETUP,TRUE))
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res = xf86AddResToList(res,&range,entityIndex);
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@ -2477,8 +2477,8 @@ xf86PostProbe(void)
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#endif
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}
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xf86FreeResList(acc);
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#if !(defined(__alpha__) && defined(linux)) && \
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!(defined(__ia64__) && defined(linux)) && \
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!(defined(__sparc64__) && defined(__OpenBSD__))
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/*
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* No need to validate on Alpha Linux or OpenBSD/sparc64,
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@ -1621,10 +1621,12 @@ getValidBIOSBase(PCITAG tag, int num)
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m = m->next;
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}
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} else {
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#if !defined(__ia64__) /* on ia64, trust the kernel, don't look for overlaps */
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if (!xf86IsSubsetOf(range, m) ||
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ChkConflict(&range, avoid, SETUP)
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|| (mem && ChkConflict(&range, mem, SETUP)))
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ret = 0;
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#endif
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}
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xf86FreeResList(avoid);
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@ -1093,12 +1093,12 @@ LOOKUP xfree86LookupTab[] = {
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#endif
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#endif
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#if defined(__ia64__)
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SYMFUNC(_outw)
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SYMFUNC(_outb)
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SYMFUNC(_outl)
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SYMFUNC(_inb)
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SYMFUNC(_inw)
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SYMFUNC(_inl)
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SYMFUNC(outw)
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SYMFUNC(outb)
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SYMFUNC(outl)
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SYMFUNC(inb)
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SYMFUNC(inw)
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SYMFUNC(inl)
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#endif
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#if defined(__arm__)
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SYMFUNC(outw)
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@ -254,7 +254,6 @@
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# if defined(linux)
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# define ARCH_PCI_INIT linuxPciInit
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# define INCLUDE_XF86_MAP_PCI_MEM
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# define INCLUDE_XF86_NO_DOMAIN
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# elif defined(FreeBSD)
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# define ARCH_PCI_INIT freebsdPciInit
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# define INCLUDE_XF86_MAP_PCI_MEM
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@ -59,6 +59,7 @@
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static CARD32 linuxPciCfgRead(PCITAG tag, int off);
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static void linuxPciCfgWrite(PCITAG, int off, CARD32 val);
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static void linuxPciCfgSetBits(PCITAG tag, int off, CARD32 mask, CARD32 bits);
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static ADDRESS linuxTransAddrBusToHost(PCITAG tag, PciAddrType type, ADDRESS addr);
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#if defined(__powerpc__)
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static ADDRESS linuxPpcBusAddrToHostAddr(PCITAG, PciAddrType, ADDRESS);
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static ADDRESS linuxPpcHostAddrToBusAddr(PCITAG, PciAddrType, ADDRESS);
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@ -73,7 +74,7 @@ static pciBusFuncs_t linuxFuncs0 = {
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/* pciAddrBusToHost */ linuxPpcBusAddrToHostAddr
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#else
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/* pciAddrHostToBus */ pciAddrNOOP,
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/* pciAddrBusToHost */ pciAddrNOOP
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/* pciAddrBusToHost */ linuxTransAddrBusToHost
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#endif
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};
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@ -201,6 +202,26 @@ linuxPciCfgSetBits(PCITAG tag, int off, CARD32 mask, CARD32 bits)
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}
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}
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/*
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* This function will convert a BAR address into a host address
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* suitable for passing into the mmap function of a /proc/bus
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* device.
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*/
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ADDRESS linuxTransAddrBusToHost(PCITAG tag, PciAddrType type, ADDRESS addr)
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{
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ADDRESS ret = xf86GetOSOffsetFromPCI(tag, PCI_MEM|PCI_IO, addr);
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if (ret)
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return ret;
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/*
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* if it is not a BAR address, it must be legacy, (or wrong)
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* return it as is..
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*/
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return addr;
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}
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#if defined(__powerpc__)
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#ifndef __NR_pciconfig_iobase
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@ -402,6 +423,9 @@ xf86GetPciDomain(PCITAG Tag)
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if (pPCI && (result = PCI_DOM_FROM_BUS(pPCI->busnum)))
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return result;
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if (pPCI->fakeDevice)
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return 1; /* Domain 0 is reserved */
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if ((fd = linuxPciOpenFile(pPCI ? pPCI->tag : 0,FALSE)) < 0)
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return 0;
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@ -442,7 +466,7 @@ linuxMapPci(int ScreenNum, int Flags, PCITAG Tag,
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if (Flags & VIDMEM_FRAMEBUFFER)
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mmapflags = MAP_SHARED | MAP_WRITECOMBINED;
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else
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mmapflags = MAP_SHARED | MAP_NONCACHED
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mmapflags = MAP_SHARED | MAP_NONCACHED;
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#else /* !__ia64__ */
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@ -467,7 +491,7 @@ linuxMapPci(int ScreenNum, int Flags, PCITAG Tag,
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result = mmap(NULL, Size + Offset, prot, mmapflags, fd, realBase);
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if (!result || ((pointer)result == MAP_FAILED))
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FatalError("linuxMapPci() mmap failure: %s\n", strerror(errno));
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return NULL;
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xf86MakeNewMapping(ScreenNum, Flags, realBase, Size + Offset, result);
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@ -480,38 +504,142 @@ linuxMapPci(int ScreenNum, int Flags, PCITAG Tag,
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return NULL;
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}
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#define MAX_DOMAINS 257
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static pointer DomainMmappedIO[MAX_DOMAINS];
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static pointer DomainMmappedMem[MAX_DOMAINS];
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static int
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linuxOpenLegacy(PCITAG Tag, char *name)
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{
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#define PREFIX "/sys/class/pci_bus/%04x:%02x/%s"
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char *path;
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int domain, bus;
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pciBusInfo_t *pBusInfo;
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pciConfigPtr bridge = NULL;
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int fd;
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path = xalloc(strlen(PREFIX) + strlen(name));
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if (!path)
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return -1;
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for (;;) {
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domain = xf86GetPciDomain(Tag);
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bus = PCI_BUS_NO_DOMAIN(PCI_BUS_FROM_TAG(Tag));
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/* Domain 0 is reserved -- see xf86GetPciDomain() */
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if ((domain <= 0) || (domain >= MAX_DOMAINS))
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FatalError("linuxOpenLegacy(): domain out of range\n");
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sprintf(path, PREFIX, domain - 1, bus, name);
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fd = open(path, O_RDWR);
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if (fd >= 0) {
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xfree(path);
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return fd;
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}
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pBusInfo = pciBusInfo[bus];
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if (!pBusInfo || (bridge == pBusInfo->bridge) ||
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!(bridge = pBusInfo->bridge)) {
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xfree(path);
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return -1;
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}
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Tag = bridge->tag;
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}
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xfree(path);
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return fd;
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}
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/*
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* xf86MapDomainMemory - memory map PCI domain memory
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*
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* This routine maps the memory region in the domain specified by Tag and
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* returns a pointer to it. The pointer is saved for future use if it's in
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* the legacy ISA memory space (memory in a domain between 0 and 1MB).
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*/
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pointer
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xf86MapDomainMemory(int ScreenNum, int Flags, PCITAG Tag,
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ADDRESS Base, unsigned long Size)
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{
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return linuxMapPci(ScreenNum, Flags, Tag, Base, Size, PCIIOC_MMAP_IS_MEM);
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int domain = xf86GetPciDomain(Tag);
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int fd;
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/*
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* We use /proc/bus/pci on non-legacy addresses or if the Linux sysfs
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* legacy_mem interface is unavailable.
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*/
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if (Base > 1024*1024)
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return linuxMapPci(ScreenNum, Flags, Tag, Base, Size,
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PCIIOC_MMAP_IS_MEM);
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if ((fd = linuxOpenLegacy(Tag, "legacy_mem")) < 0)
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return linuxMapPci(ScreenNum, Flags, Tag, Base, Size,
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PCIIOC_MMAP_IS_MEM);
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/* If we haven't already mapped this legacy space, try to. */
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if (!DomainMmappedMem[domain]) {
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DomainMmappedMem[domain] = mmap(NULL, 1024*1024, PROT_READ|PROT_WRITE,
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MAP_SHARED, fd, 0);
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if (DomainMmappedMem[domain] == MAP_FAILED) {
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close(fd);
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perror("mmap failure");
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FatalError("xf86MapDomainMem(): mmap() failure\n");
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}
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}
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close(fd);
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return (pointer)((char *)DomainMmappedMem[domain] + Base);
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}
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#define MAX_DOMAINS 257
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static pointer DomainMmappedIO[MAX_DOMAINS];
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/* This has no means of returning failure, so all errors are fatal */
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/*
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* xf86MapDomainIO - map I/O space in this domain
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*
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* Each domain has a legacy ISA I/O space. This routine will try to
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* map it using the Linux sysfs legacy_io interface. If that fails,
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* it'll fall back to using /proc/bus/pci.
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*
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* If the legacy_io interface *does* exist, the file descriptor (fd below)
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* will be saved in the DomainMmappedIO array in the upper bits of the
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* pointer. Callers will do I/O with small port numbers (<64k values), so
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* the platform I/O code can extract the port number and the fd, lseek to
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* the port number in the legacy_io file, and issue the read or write.
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*
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* This has no means of returning failure, so all errors are fatal
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*/
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IOADDRESS
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xf86MapDomainIO(int ScreenNum, int Flags, PCITAG Tag,
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IOADDRESS Base, unsigned long Size)
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{
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int domain = xf86GetPciDomain(Tag);
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int fd;
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if ((domain <= 0) || (domain >= MAX_DOMAINS))
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FatalError("xf86MapDomainIO(): domain out of range\n");
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if (DomainMmappedIO[domain])
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return (IOADDRESS)DomainMmappedIO[domain] + Base;
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/* Permanently map all of I/O space */
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if (!DomainMmappedIO[domain]) {
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DomainMmappedIO[domain] = linuxMapPci(ScreenNum, Flags, Tag,
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0, linuxGetIOSize(Tag),
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PCIIOC_MMAP_IS_IO);
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if (!DomainMmappedIO[domain])
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FatalError("xf86MapDomainIO(): mmap() failure\n");
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if ((fd = linuxOpenLegacy(Tag, "legacy_io")) < 0) {
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DomainMmappedIO[domain] = linuxMapPci(ScreenNum, Flags, Tag,
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0, linuxGetIOSize(Tag),
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PCIIOC_MMAP_IS_IO);
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/* ia64 can't mmap legacy IO port space */
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if (!DomainMmappedIO[domain])
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return Base;
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}
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else { /* legacy_io file exists, encode fd */
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DomainMmappedIO[domain] = (pointer)(fd << 24);
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}
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return (IOADDRESS)DomainMmappedIO[domain] + Base;
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}
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/*
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* xf86ReadDomainMemory - copy from domain memory into a caller supplied buffer
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*/
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int
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xf86ReadDomainMemory(PCITAG Tag, ADDRESS Base, int Len, unsigned char *Buf)
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{
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@ -520,6 +648,40 @@ xf86ReadDomainMemory(PCITAG Tag, ADDRESS Base, int Len, unsigned char *Buf)
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unsigned long size;
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int len, pagemask = getpagesize() - 1;
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unsigned int i, dom, bus, dev, func;
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unsigned int fd;
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char file[256];
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struct stat st;
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dom = PCI_DOM_FROM_TAG(Tag);
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bus = PCI_BUS_FROM_TAG(Tag);
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dev = PCI_DEV_FROM_TAG(Tag);
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func = PCI_FUNC_FROM_TAG(Tag);
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sprintf(file, "/sys/devices/pci%04x:%02x/%04x:%02x:%02x.%1x/rom",
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dom, bus, dom, bus, dev, func);
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/*
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* If the caller wants the ROM and the sysfs rom interface exists,
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* try to use it instead of reading it from /proc/bus/pci.
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*/
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if (((Base & 0xfffff) == 0xC0000) && (stat(file, &st) == 0)) {
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if ((fd = open(file, O_RDWR)))
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Base = 0x0;
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/* enable the ROM first */
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write(fd, "1", 2);
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lseek(fd, 0, SEEK_SET);
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/* copy the ROM until we hit Len, EOF or read error */
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for (i = 0; i < Len && read(fd, Buf, 1) > 0; Buf++, i++)
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;
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write(fd, "0", 2);
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close(fd);
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return Len;
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}
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/* Ensure page boundaries */
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offset = Base & ~pagemask;
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size = ((Base + Len + pagemask) & ~pagemask) - offset;
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@ -26,6 +26,7 @@
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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#include "ia64Pci.h"
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@ -35,11 +36,24 @@
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IA64Chipset OS_PROBE_PCI_CHIPSET(scanpciWrapperOpt flags)
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{
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struct stat unused;
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struct utsname utsName;
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if (!stat("/proc/bus/mckinley/zx1",&unused)
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|| !stat("/proc/bus/mckinley/zx2",&unused))
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return ZX1_CHIPSET;
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if (!stat("/proc/sgi_sn/licenseID", &unused)) {
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/*
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* We need a 2.6.11 or better kernel for Altix support
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*/
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uname(&utsName);
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if (!strstr(utsName.release, "2.6.11")) {
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ErrorF("Kernel 2.6.11 or better needed for Altix support\n");
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return NONE_CHIPSET;
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}
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return ALTIX_CHIPSET;
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}
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return NONE_CHIPSET;
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}
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#endif
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@ -83,3 +83,141 @@ xf86GetPciSizeFromOS(PCITAG tag, int index, int* bits)
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fclose(file);
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return FALSE;
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}
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/* Query the kvirt address (64bit) of a BAR range from TAG */
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Bool
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xf86GetPciOffsetFromOS(PCITAG tag, int index, unsigned long* bases)
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{
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FILE *file;
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char c[0x200];
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char *res;
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unsigned int bus, devfn, dev, fn;
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unsigned PCIADDR_TYPE offset[7];
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unsigned int num;
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if (index > 7)
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return FALSE;
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if (!(file = fopen("/proc/bus/pci/devices","r")))
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return FALSE;
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do {
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res = fgets(c,0x1ff,file);
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if (res) {
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num = sscanf(res,
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/*bus+dev vendorid deviceid irq */
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"%02x%02x\t%*04x%*04x\t%*x"
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/* 7 PCI resource base addresses */
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"\t" PCIADDR_FMT
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"\t" PCIADDR_FMT
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"\t" PCIADDR_FMT
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"\t" PCIADDR_FMT
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"\t" PCIADDR_FMT
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"\t" PCIADDR_FMT
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"\t" PCIADDR_FMT
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/* 7 PCI resource sizes, and then optionally a driver name */
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"\t" PCIADDR_IGNORE_FMT
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"\t" PCIADDR_IGNORE_FMT
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"\t" PCIADDR_IGNORE_FMT
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"\t" PCIADDR_IGNORE_FMT
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"\t" PCIADDR_IGNORE_FMT
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"\t" PCIADDR_IGNORE_FMT
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"\t" PCIADDR_IGNORE_FMT,
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&bus,&devfn,&offset[0],&offset[1],&offset[2],&offset[3],
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&offset[4],&offset[5],&offset[6]);
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if (num != 9) { /* apparantly not 2.3 style */
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fclose(file);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
dev = devfn >> 3;
|
||||
fn = devfn & 0x7;
|
||||
if (tag == pciTag(bus,dev,fn)) {
|
||||
/* return the offset for the index requested */
|
||||
*bases = offset[index];
|
||||
fclose(file);
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
} while (res);
|
||||
|
||||
fclose(file);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* Query the kvirt address (64bit) of a BAR range from size for a given TAG */
|
||||
unsigned long
|
||||
xf86GetOSOffsetFromPCI(PCITAG tag, int space, unsigned long base)
|
||||
{
|
||||
FILE *file;
|
||||
char c[0x200];
|
||||
char *res;
|
||||
unsigned int bus, devfn, dev, fn;
|
||||
unsigned PCIADDR_TYPE offset[7];
|
||||
unsigned PCIADDR_TYPE size[7];
|
||||
unsigned int num;
|
||||
unsigned int ndx;
|
||||
|
||||
if (!(file = fopen("/proc/bus/pci/devices","r")))
|
||||
return NULL;
|
||||
do {
|
||||
res = fgets(c,0x1ff,file);
|
||||
if (res) {
|
||||
num = sscanf(res,
|
||||
/*bus+dev vendorid deviceid irq */
|
||||
"%02x%02x\t%*04x%*04x\t%*x"
|
||||
/* 7 PCI resource base addresses */
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
/* 7 PCI resource sizes, and then optionally a driver name */
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT
|
||||
"\t" PCIADDR_FMT,
|
||||
&bus,&devfn,&offset[0],&offset[1],&offset[2],&offset[3],
|
||||
&offset[4],&offset[5],&offset[6], &size[0], &size[1], &size[2],
|
||||
&size[3], &size[4], &size[5], &size[6]);
|
||||
if (num != 16) { /* apparantly not 2.3 style */
|
||||
fclose(file);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
dev = devfn >> 3;
|
||||
fn = devfn & 0x7;
|
||||
if (tag == pciTag(bus,dev,fn)) {
|
||||
/* ok now look through all the BAR values of this device */
|
||||
for (ndx=0; ndx<7; ndx++) {
|
||||
unsigned long savePtr;
|
||||
/*
|
||||
* remember to lop of the last 4bits of the BAR values as they are
|
||||
* memory attributes
|
||||
*/
|
||||
if (ndx == 6)
|
||||
savePtr = (0xFFFFFFF0) &
|
||||
pciReadLong(tag, PCI_CMD_BIOS_REG);
|
||||
else /* this the ROM bar */
|
||||
savePtr = (0xFFFFFFF0) &
|
||||
pciReadLong(tag, PCI_CMD_BASE_REG + (0x4 * ndx));
|
||||
/* find the index of the incoming base */
|
||||
if (base >= savePtr && base <= (savePtr + size[ndx])) {
|
||||
fclose(file);
|
||||
return ( ~(0xFUL) & (offset[ndx] + (base - savePtr)));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} while (res);
|
||||
|
||||
fclose(file);
|
||||
return NULL;
|
||||
|
||||
}
|
||||
|
|
|
@ -29,12 +29,165 @@
|
|||
* This file contains the glue needed to support various IA-64 chipsets.
|
||||
*/
|
||||
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <signal.h>
|
||||
#include <dirent.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <linux/pci.h>
|
||||
|
||||
#include "compiler.h"
|
||||
#include "460gxPCI.h"
|
||||
#include "e8870PCI.h"
|
||||
#include "zx1PCI.h"
|
||||
#include "altixPCI.h"
|
||||
#include "Pci.h"
|
||||
#include "ia64Pci.h"
|
||||
|
||||
/*
|
||||
* We use special in/out routines here since Altix platforms require the
|
||||
* use of the sysfs legacy_io interface. The legacy_io file maps to the I/O
|
||||
* space of a given PCI domain; reads and writes are used to do port I/O.
|
||||
* The file descriptor for the file is stored in the upper bits of the
|
||||
* value passed in by the caller, and is created and populated by
|
||||
* xf86MapDomainIO.
|
||||
*
|
||||
* If the legacy_io interface doesn't exist, we fall back to the glibc in/out
|
||||
* routines, which are prefixed by an underscore (e.g. _outb).
|
||||
*/
|
||||
static int ia64_port_to_fd(unsigned long port)
|
||||
{
|
||||
return (port >> 24) & 0xffffffff;
|
||||
}
|
||||
|
||||
void outb(unsigned long port, unsigned char val)
|
||||
{
|
||||
int fd = ia64_port_to_fd(port);
|
||||
|
||||
if (!fd) {
|
||||
_outb(val, port & 0xffff);
|
||||
goto out;
|
||||
}
|
||||
if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
|
||||
ErrorF("I/O lseek failed\n");
|
||||
goto out;
|
||||
}
|
||||
if (write(fd, &val, 1) != 1) {
|
||||
ErrorF("I/O write failed\n");
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return;
|
||||
}
|
||||
|
||||
void outw(unsigned long port, unsigned short val)
|
||||
{
|
||||
int fd = ia64_port_to_fd(port);
|
||||
|
||||
if (!fd) {
|
||||
_outw(val, port & 0xffff);
|
||||
goto out;
|
||||
}
|
||||
if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
|
||||
ErrorF("I/O lseek failed\n");
|
||||
goto out;
|
||||
}
|
||||
if (write(fd, &val, 2) != 2) {
|
||||
ErrorF("I/O write failed\n");
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return;
|
||||
}
|
||||
|
||||
void outl(unsigned long port, unsigned int val)
|
||||
{
|
||||
int fd = ia64_port_to_fd(port);
|
||||
|
||||
if (!fd) {
|
||||
_outl(val, port & 0xffff);
|
||||
goto out;
|
||||
}
|
||||
if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
|
||||
ErrorF("I/O lseek failed\n");
|
||||
goto out;
|
||||
}
|
||||
if (write(fd, &val, 4) != 4) {
|
||||
ErrorF("I/O write failed\n");
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return;
|
||||
}
|
||||
|
||||
unsigned int inb(unsigned long port)
|
||||
{
|
||||
int fd = ia64_port_to_fd(port);
|
||||
unsigned char val;
|
||||
|
||||
if (!fd)
|
||||
return _inb(port & 0xffff);
|
||||
|
||||
if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
|
||||
ErrorF("I/O lseek failed\n");
|
||||
val = -1;
|
||||
goto out;
|
||||
}
|
||||
if (read(fd, &val, 1) != 1) {
|
||||
ErrorF("I/O read failed\n");
|
||||
val = -1;
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return val;
|
||||
}
|
||||
|
||||
unsigned int inw(unsigned long port)
|
||||
{
|
||||
int fd = ia64_port_to_fd(port);
|
||||
unsigned short val;
|
||||
|
||||
if (!fd)
|
||||
return _inw(port & 0xffff);
|
||||
|
||||
if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
|
||||
ErrorF("I/O lseek failed\n");
|
||||
val = -1;
|
||||
goto out;
|
||||
}
|
||||
if (read(fd, &val, 2) != 2) {
|
||||
ErrorF("I/O read failed\n");
|
||||
val = -1;
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return val;
|
||||
}
|
||||
|
||||
unsigned int inl(unsigned long port)
|
||||
{
|
||||
int fd = ia64_port_to_fd(port);
|
||||
unsigned int val;
|
||||
|
||||
if (!fd)
|
||||
return _inl(port & 0xffff);
|
||||
|
||||
if (lseek(fd, port & 0xffff, SEEK_SET) == -1) {
|
||||
ErrorF("I/O lseek failed\n");
|
||||
val = -1;
|
||||
goto out;
|
||||
}
|
||||
if (read(fd, &val, 4) != 4) {
|
||||
ErrorF("I/O read failed\n");
|
||||
val = -1;
|
||||
goto out;
|
||||
}
|
||||
out:
|
||||
return val;
|
||||
}
|
||||
|
||||
void
|
||||
ia64ScanPCIWrapper(scanpciWrapperOpt flags)
|
||||
{
|
||||
|
@ -58,6 +211,9 @@ ia64ScanPCIWrapper(scanpciWrapperOpt flags)
|
|||
case ZX1_CHIPSET:
|
||||
xf86PreScanZX1();
|
||||
return;
|
||||
case ALTIX_CHIPSET:
|
||||
xf86PreScanAltix();
|
||||
return;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
@ -74,6 +230,9 @@ ia64ScanPCIWrapper(scanpciWrapperOpt flags)
|
|||
case ZX1_CHIPSET:
|
||||
xf86PostScanZX1();
|
||||
return;
|
||||
case ALTIX_CHIPSET:
|
||||
xf86PostScanAltix();
|
||||
return;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
|
|
@ -32,7 +32,8 @@ typedef enum {
|
|||
NONE_CHIPSET,
|
||||
I460GX_CHIPSET,
|
||||
E8870_CHIPSET,
|
||||
ZX1_CHIPSET
|
||||
ZX1_CHIPSET,
|
||||
ALTIX_CHIPSET
|
||||
} IA64Chipset;
|
||||
|
||||
# ifdef OS_PROBE_PCI_CHIPSET
|
||||
|
|
|
@ -256,6 +256,8 @@ resPtr xf86AccResFromOS(resPtr ret);
|
|||
#endif /* NEED_OS_RAC_PROTOS */
|
||||
|
||||
extern Bool xf86GetPciSizeFromOS(PCITAG tag, int indx, int* bits);
|
||||
extern Bool xf86GetPciOffsetFromOS(PCITAG tag, int indx, unsigned long* bases);
|
||||
extern unsigned long xf86GetOSOffsetFromPCI(PCITAG tag, int space, unsigned long base);
|
||||
|
||||
extern void xf86MakeNewMapping(int, int, unsigned long, unsigned long, pointer);
|
||||
extern void xf86InitVidMem(void);
|
||||
|
|
Loading…
Reference in New Issue