diff options
Diffstat (limited to 'modules/devices/pci.c')
-rw-r--r-- | modules/devices/pci.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/modules/devices/pci.c b/modules/devices/pci.c new file mode 100644 index 00000000..91ff914d --- /dev/null +++ b/modules/devices/pci.c @@ -0,0 +1,247 @@ +/* + * HardInfo - Displays System Information + * Copyright (C) 2003-2006 Leandro A. F. Pereira <leandro@hardinfo.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * TODO: This thing must be rewritten. We really should have a struct with all the + * PCI stuff we'll present to the user, and hash them by the PCI ID + * (domain:bus:device.function). + * This way we'll have ways to better organize the output, instead of relying + * on the order the information appears on lspci's output. + * Also, the "Resources" thing might be better implemented (and we won't need + * copies of information scattered everywhere like we do today). + */ + +#include <string.h> + +#include "hardinfo.h" +#include "devices.h" + +GHashTable *_pci_devices = NULL; + +void +scan_pci_do(void) +{ + FILE *lspci; + gchar buffer[256], *buf, *strhash = NULL, *strdevice = NULL; + gchar *category = NULL, *name = NULL, *icon, *lspci_path, *command_line = NULL; + gint n = 0, x = 0; + + if ((lspci_path = find_program("lspci")) == NULL) { + goto pci_error; + } else { + command_line = g_strdup_printf("%s -v", lspci_path); + } + + if (!_pci_devices) { + _pci_devices = g_hash_table_new(g_str_hash, g_str_equal); + } + + buf = g_build_filename(g_get_home_dir(), ".hardinfo", "pci.ids", NULL); + if (!g_file_test(buf, G_FILE_TEST_EXISTS)) { + DEBUG("using system-provided PCI IDs"); + g_free(buf); + if (!(lspci = popen(command_line, "r"))) { + goto pci_error; + } + } else { + gchar *tmp; + + tmp = g_strdup_printf("%s -i '%s'", command_line, buf); + g_free(buf); + buf = tmp; + + DEBUG("using updated PCI IDs (from %s)", buf); + if (!(lspci = popen(tmp, "r"))) { + g_free(buf); + goto pci_error; + } else { + g_free(buf); + } + } + + while (fgets(buffer, 256, lspci)) { + buf = g_strstrip(buffer); + + if (!strncmp(buf, "Flags", 5)) { + gint irq = 0, freq = 0, latency = 0, i; + gchar **list; + gboolean bus_master; + + buf += 7; + + bus_master = FALSE; + + list = g_strsplit(buf, ", ", 10); + for (i = 0; i <= 10; i++) { + if (!list[i]) + break; + + if (!strncmp(list[i], "IRQ", 3)) + sscanf(list[i], "IRQ %d", &irq); + else if (strstr(list[i], "Mhz")) + sscanf(list[i], "%dMhz", &freq); + else if (!strncmp(list[i], "bus master", 10)) + bus_master = TRUE; + else if (!strncmp(list[i], "latency", 7)) + sscanf(list[i], "latency %d", &latency); + } + g_strfreev(list); + + if (irq) + strdevice = h_strdup_cprintf("IRQ=%d\n", strdevice, irq); + if (freq) + strdevice = h_strdup_cprintf("Frequency=%dMHz\n", strdevice, freq); + if (latency) + strdevice = h_strdup_cprintf("Latency=%d\n", strdevice, latency); + + strdevice = h_strdup_cprintf("Bus Master=%s\n", strdevice, bus_master ? "Yes" : "No"); + } else if (!strncmp(buf, "Kernel modules", 14)) { + WALK_UNTIL(' '); + WALK_UNTIL(':'); + buf++; + + strdevice = h_strdup_cprintf("Kernel modules=%s\n", strdevice, buf); + } else if (!strncmp(buf, "Subsystem", 9)) { + WALK_UNTIL(' '); + buf++; + const gchar *oem_vendor_url = vendor_get_url(buf); + if (oem_vendor_url) + strdevice = h_strdup_cprintf("OEM Vendor=%s (%s)\n", + strdevice, + vendor_get_name(buf), + oem_vendor_url); + } else if (!strncmp(buf, "Capabilities", 12) + && !strstr(buf, "only to root") && + !strstr(buf, "access denied")) { + WALK_UNTIL(' '); + WALK_UNTIL(']'); + buf++; + strdevice = h_strdup_cprintf("Capability#%d=%s\n", strdevice, ++x, buf); + } else if (!strncmp(buf, "Memory at", 9) && strstr(buf, "[size=")) { + gint mem; + gchar unit; + gboolean prefetch; + gboolean _32bit; + + prefetch = strstr(buf, "non-prefetchable") ? FALSE : TRUE; + _32bit = strstr(buf, "32-bit") ? TRUE : FALSE; + + WALK_UNTIL('['); + sscanf(buf, "[size=%d%c", &mem, &unit); + + strdevice = h_strdup_cprintf("Memory#%d=%d%cB (%s%s)\n", + strdevice, ++x, + mem, + (unit == ']') ? ' ' : unit, + _32bit ? "32-bit, " : "", + prefetch ? "prefetchable" : + "non-prefetchable"); + + } else if (!strncmp(buf, "I/O ports at", 12)) { + guint io_addr, io_size; + + sscanf(buf, "I/O ports at %x [size=%d]", &io_addr, &io_size); + + strdevice = + h_strdup_cprintf("I/O ports at#%d=0x%x - 0x%x\n", + strdevice, ++x, io_addr, + io_addr + io_size - 1); + } else if ((buf[0] >= '0' && buf[0] <= '9') && (buf[4] == ':' || buf[2] == ':')) { + gint bus, device, function, domain; + gpointer start, end; + + if (strdevice != NULL && strhash != NULL) { + moreinfo_add_with_prefix("DEV", strhash, strdevice); + g_free(strhash); + g_free(category); + g_free(name); + } + + if (buf[4] == ':') { + sscanf(buf, "%x:%x:%x.%d", &domain, &bus, &device, &function); + } else { + /* lspci without domain field */ + sscanf(buf, "%x:%x.%x", &bus, &device, &function); + domain = 0; + } + + WALK_UNTIL(' '); + + start = buf; + + WALK_UNTIL(':'); + end = buf + 1; + *buf = 0; + + buf = start + 1; + category = g_strdup(buf); + + buf = end; + + if (strstr(category, "RAM memory")) icon = "mem"; + else if (strstr(category, "Multimedia")) icon = "media"; + else if (strstr(category, "USB")) icon = "usb"; + else icon = "pci"; + + name = g_strdup(buf); + g_hash_table_insert(_pci_devices, + g_strdup_printf("0000:%02x:%02x.%x", bus, device, function), + name); + + strhash = g_strdup_printf("PCI%d", n); + strdevice = g_strdup_printf("[Device Information]\n" + "Name=%s\n" + "Class=%s\n" + "Domain=%d\n" + "Bus, device, function=%d, %d, %d\n", + name, category, domain, bus, + device, function); + + const gchar *url = vendor_get_url(name); + if (url) { + strdevice = h_strdup_cprintf("Vendor=%s (%s)\n", + strdevice, + vendor_get_name(name), + url); + } + + g_hash_table_insert(_pci_devices, + g_strdup_printf("0000:%02x:%02x.%x", bus, device, function), + g_strdup(name)); + + pci_list = h_strdup_cprintf("$PCI%d$%s=%s\n", pci_list, n, category, name); + + n++; + } + } + + if (pclose(lspci)) { +pci_error: + /* error (no pci, perhaps?) */ + pci_list = g_strconcat(pci_list, "No PCI devices found=\n", NULL); + } else if (strhash) { + /* insert the last device */ + moreinfo_add_with_prefix("DEV", strhash, strdevice); + g_free(strhash); + g_free(category); + g_free(name); + } + + g_free(lspci_path); + g_free(command_line); +} |