diff options
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/linux/lnx_pci.c')
| -rw-r--r-- | xorg-server/hw/xfree86/os-support/linux/lnx_pci.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_pci.c b/xorg-server/hw/xfree86/os-support/linux/lnx_pci.c deleted file mode 100644 index 8eedfa49f..000000000 --- a/xorg-server/hw/xfree86/os-support/linux/lnx_pci.c +++ /dev/null @@ -1,193 +0,0 @@ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <sys/types.h> -#include <stdio.h> -#include <dirent.h> -#include <X11/X.h> -#include "os.h" -#include "xf86.h" -#include "xf86Priv.h" -#define XF86_OS_PRIVS -#include "xf86_OSproc.h" -#include "xf86Pci.h" -#include "Pci.h" - -#ifdef __sparc__ -#define PCIADDR_TYPE long long -#define PCIADDR_IGNORE_FMT "%*x" -#define PCIADDR_FMT "%llx" -#else -#define PCIADDR_TYPE long -#define PCIADDR_IGNORE_FMT "%*x" -#define PCIADDR_FMT "%lx" -#endif - -struct pci_dev { - unsigned int domain; - unsigned int bus; - unsigned int dev; - unsigned int fn; - PCIADDR_TYPE offset[7]; - PCIADDR_TYPE size[7]; - struct pci_dev *next; -}; - -struct pci_dev *xf86OSLinuxPCIDevs = NULL; -int xf86OSLinuxNumPciDevs = 0; - -static struct pci_dev *xf86OSLinuxGetPciDevs(void) { - char c[0x200]; - FILE *file = NULL; - DIR *dir; - struct dirent *dirent; - struct pci_dev *tmp, *ret = NULL; - unsigned int i, num, devfn; - unsigned PCIADDR_TYPE begin, end; - char *res; - - /* Try 2.6 devices first, with domain support */ - if ( (dir = opendir ("/sys/bus/pci/devices")) ) { - xf86OSLinuxNumPciDevs = 0; - while ( (dirent = readdir (dir)) ) { - unsigned int domain, bus, dev, fn; - if (sscanf (dirent->d_name, "%04x:%02x:%02x.%01x", - &domain, &bus, &dev, &fn) == 4) { - tmp = xcalloc (sizeof(struct pci_dev), 1); - tmp->domain = domain; - tmp->bus = bus; - tmp->dev = dev; - tmp->fn = fn; - sprintf (c, "/sys/bus/pci/devices/%12s/resource", - dirent->d_name); - i = 0; - if ( (file = fopen (c, "r")) ) { - while (i < 7 && fgets (c, 0x200, file)) { - if (sscanf (c, PCIADDR_FMT " " PCIADDR_FMT " " - PCIADDR_IGNORE_FMT, &begin, &end) == 2) { - tmp->offset[i] = begin; - tmp->size[i] = begin ? end-begin+1 : 0; - i++; - } - } - fclose (file); - } - if (i > 0) { - tmp->next = ret; - ret = tmp; - xf86OSLinuxNumPciDevs++; - } else - xfree (tmp); - } - } - closedir (dir); - } - - if (ret) - return ret; - - file = fopen("/proc/bus/pci/devices", "r"); - if (!file) return NULL; - - xf86OSLinuxNumPciDevs = 0; - - do { - res = fgets(c, 0x1ff, file); - if (res) { - tmp = xcalloc(sizeof(struct pci_dev),1); - 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, - &tmp->bus,&devfn,&tmp->offset[0],&tmp->offset[1],&tmp->offset[2],&tmp->offset[3], - &tmp->offset[4],&tmp->offset[5],&tmp->offset[6], &tmp->size[0], &tmp->size[1], &tmp->size[2], - &tmp->size[3], &tmp->size[4], &tmp->size[5], &tmp->size[6]); - tmp->dev = devfn >> 3; - tmp->fn = devfn & 0x7; - if (num != 16) { /* apparantly not 2.3 style */ - xfree(tmp); - fclose(file); - return NULL; - } - if (ret) { - tmp->next = ret; - } - ret = tmp; - xf86OSLinuxNumPciDevs++; - } - } while (res); - fclose(file); - return ret; -} - -/* 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) -{ - unsigned int ndx; - struct pci_dev *device; - struct pci_device *dev; - - if (!xf86OSLinuxPCIDevs) { - xf86OSLinuxPCIDevs = xf86OSLinuxGetPciDevs(); - } - if (!xf86OSLinuxPCIDevs) { - return FALSE; - } - - for (device = xf86OSLinuxPCIDevs; device; device = device->next) { - dev = pci_device_find_by_slot(device->domain, device->bus, - device->dev, device->fn); - if (dev != NULL) { - /* ok now look through all the BAR values of this device */ - for (ndx=0; ndx<7; ndx++) { - uint32_t savePtr; - uint32_t flagMask; - - /* The ROM BAR isn't with the other BARs. - */ - const pciaddr_t offset = (ndx == 6) - ? (4 * 12) : (4 * ndx) + 16; - - pci_device_cfg_read_u32(dev, &savePtr, offset); - - /* Ignore unset base addresses. The kernel may have reported - * non-zero size and address even if they are disabled (e.g., - * disabled ROM BAR). - */ - if (savePtr == 0) - continue; - - /* Remove memory attribute bits, different for IO - * and memory ranges. - */ - flagMask = (savePtr & 0x1) ? ~0x3UL : ~0xFUL; - savePtr &= flagMask; - - /* find the index of the incoming base */ - if (base >= savePtr && base < (savePtr + device->size[ndx])) { - return (device->offset[ndx] & flagMask) + (base - savePtr); - } - } - } - } - - return 0; -} |