X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=setpci.c;h=ca1f31df4c5a158559e13e8d1280188bbfa98d18;hb=c0ccce1b4cd5b42b17f2e8f7bae4031c311677ff;hp=a0daddb6f32792e31b4bcc37f16895698e4ad109;hpb=89caa7b8f22bbd2e4ce88bc02d9db7e562a0a3f3;p=pciutils.git diff --git a/setpci.c b/setpci.c index a0daddb..ca1f31d 100644 --- a/setpci.c +++ b/setpci.c @@ -1,7 +1,7 @@ /* * The PCI Utilities -- Manipulate PCI Configuration Registers * - * Copyright (c) 1998--2008 Martin Mares + * Copyright (c) 1998--2020 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -10,7 +10,6 @@ #include #include #include -#include #include #define PCIUTILS_SETPCI @@ -19,6 +18,7 @@ static int force; /* Don't complain if no devices match */ static int verbose; /* Verbosity level */ static int demo_mode; /* Only show */ +static int allow_raw_access; const char program_name[] = "setpci"; @@ -31,36 +31,72 @@ struct value { struct op { struct op *next; - struct pci_dev **dev_vector; u16 cap_type; /* PCI_CAP_xxx or 0 */ u16 cap_id; + const char *name; + unsigned int hdr_type_mask; unsigned int addr; unsigned int width; /* Byte width of the access */ unsigned int num_values; /* Number of values to write; 0=read */ + unsigned int number; /* The n-th capability of that id */ struct value values[0]; }; -static struct op *first_op, **last_op = &first_op; +struct group { + struct group *next; + struct pci_filter filter; + struct op *first_op; + struct op **last_op; +}; + +static struct group *first_group, **last_group = &first_group; +static int need_bus_scan; static unsigned int max_values[] = { 0, 0xff, 0xffff, 0, 0xffffffff }; +static int +matches_single_device(struct group *group) +{ + struct pci_filter *f = &group->filter; + return (f->domain >= 0 && f->bus >= 0 && f->slot >= 0 && f->func >= 0); +} + static struct pci_dev ** -select_devices(struct pci_filter *filt) +select_devices(struct group *group) { - struct pci_dev *z, **a, **b; - int cnt = 1; - - for (z=pacc->devices; z; z=z->next) - if (pci_filter_match(filt, z)) - cnt++; - a = b = xmalloc(sizeof(struct device *) * cnt); - for (z=pacc->devices; z; z=z->next) - if (pci_filter_match(filt, z)) - *a++ = z; - *a = NULL; - return b; + struct pci_filter *f = &group->filter; + + if (!need_bus_scan && matches_single_device(group)) + { + struct pci_dev **devs = xmalloc(sizeof(struct device *) * 2); + struct pci_dev *dev = pci_get_dev(pacc, f->domain, f->bus, f->slot, f->func); + int i = 0; + if (pci_filter_match(f, dev)) + devs[i++] = dev; + devs[i] = NULL; + return devs; + } + else + { + struct pci_dev **devs, *dev; + int i = 0; + int cnt = 1; + + for (dev = pacc->devices; dev; dev = dev->next) + if (pci_filter_match(f, dev)) + cnt++; + + devs = xmalloc(sizeof(struct device *) * cnt); + + for (dev = pacc->devices; dev; dev = dev->next) + if (pci_filter_match(f, dev)) + devs[i++] = dev; + + devs[i] = NULL; + return devs; + } } -static void +static void PCI_PRINTF(1,2) trace(const char *fmt, ...) { va_list args; @@ -81,19 +117,28 @@ exec_op(struct op *op, struct pci_dev *dev) char slot[16]; sprintf(slot, "%04x:%02x:%02x.%x", dev->domain, dev->bus, dev->dev, dev->func); - trace("%s", slot); + trace("%s ", slot); if (op->cap_type) { struct pci_cap *cap; - trace(((op->cap_type == PCI_CAP_NORMAL) ? "(cap %02x)" : "(ecap %04x)"), op->cap_id); - cap = pci_find_cap(dev, op->cap_id, op->cap_type); + unsigned int cap_nr = op->number; + cap = pci_find_cap_nr(dev, op->cap_id, op->cap_type, &cap_nr); if (cap) - addr = cap->addr; + addr = cap->addr; + else if (cap_nr == 0) + die("%s: Instance #%d of %s %04x not found - there are no capabilities with that id.", slot, + op->number, ((op->cap_type == PCI_CAP_NORMAL) ? "Capability" : "Extended capability"), + op->cap_id); else - die("%s: %s %04x not found", slot, ((op->cap_type == PCI_CAP_NORMAL) ? "Capability" : "Extended capability"), op->cap_id); + die("%s: Instance #%d of %s %04x not found - there %s only %d %s with that id.", slot, + op->number, ((op->cap_type == PCI_CAP_NORMAL) ? "Capability" : "Extended capability"), + op->cap_id, ((cap_nr == 1) ? "is" : "are"), cap_nr, + ((cap_nr == 1) ? "capability" : "capabilities")); + + trace(((op->cap_type == PCI_CAP_NORMAL) ? "(cap %02x @%02x) " : "(ecap %04x @%03x) "), op->cap_id, addr); } addr += op->addr; - trace(":%02x", addr); + trace("@%02x", addr); /* We have already checked it when parsing, but addressing relative to capabilities can change the address. */ if (addr & (width-1)) @@ -101,6 +146,13 @@ exec_op(struct op *op, struct pci_dev *dev) if (addr + width > 0x1000) die("%s: Access of width %d to register %04x out of range", slot, width, addr); + if (op->hdr_type_mask) + { + unsigned int hdr_type = pci_read_byte(dev, PCI_HEADER_TYPE) & 0x7f; + if (hdr_type > 2 || !((1 << hdr_type) & op->hdr_type_mask)) + die("%s: Does not have register %s.", slot, op->name); + } + if (op->num_values) { for (i=0; inum_values; i++) @@ -167,142 +219,182 @@ exec_op(struct op *op, struct pci_dev *dev) } static void -execute(struct op *op) +execute(void) { - struct pci_dev **vec = NULL; - struct pci_dev **pdev, *dev; - struct op *oops; + struct group *group; + int group_cnt = 0; - while (op) + for (group = first_group; group; group = group->next) { - pdev = vec = op->dev_vector; - while (dev = *pdev++) - for (oops=op; oops && oops->dev_vector == vec; oops=oops->next) - exec_op(oops, dev); - while (op && op->dev_vector == vec) - op = op->next; + struct pci_dev **vec = select_devices(group); + struct pci_dev *dev; + unsigned int i; + + group_cnt++; + if (!vec[0] && !force) + fprintf(stderr, "setpci: Warning: No devices selected for operation group %d.\n", group_cnt); + + for (i = 0; dev = vec[i]; i++) + { + struct op *op; + for (op = group->first_op; op; op = op->next) + exec_op(op, dev); + } + + free(vec); } } static void -scan_ops(struct op *op) +scan_ops(void) { - if (demo_mode) - return; - while (op) - { - if (op->num_values) - pacc->writeable = 1; - op = op->next; - } + struct group *group; + struct op *op; + + for (group = first_group; group; group = group->next) + for (op = group->first_op; op; op = op->next) + { + if (op->num_values && !demo_mode) + pacc->writeable = 1; + if (!matches_single_device(group) || !allow_raw_access) + need_bus_scan = 1; + } } struct reg_name { unsigned int cap; unsigned int offset; unsigned int width; + unsigned int hdr_type_mask; const char *name; }; static const struct reg_name pci_reg_names[] = { - { 0, 0x00, 2, "VENDOR_ID" }, - { 0, 0x02, 2, "DEVICE_ID" }, - { 0, 0x04, 2, "COMMAND" }, - { 0, 0x06, 2, "STATUS" }, - { 0, 0x08, 1, "REVISION" }, - { 0, 0x09, 1, "CLASS_PROG" }, - { 0, 0x0a, 2, "CLASS_DEVICE" }, - { 0, 0x0c, 1, "CACHE_LINE_SIZE" }, - { 0, 0x0d, 1, "LATENCY_TIMER" }, - { 0, 0x0e, 1, "HEADER_TYPE" }, - { 0, 0x0f, 1, "BIST" }, - { 0, 0x10, 4, "BASE_ADDRESS_0" }, - { 0, 0x14, 4, "BASE_ADDRESS_1" }, - { 0, 0x18, 4, "BASE_ADDRESS_2" }, - { 0, 0x1c, 4, "BASE_ADDRESS_3" }, - { 0, 0x20, 4, "BASE_ADDRESS_4" }, - { 0, 0x24, 4, "BASE_ADDRESS_5" }, - { 0, 0x28, 4, "CARDBUS_CIS" }, - { 0, 0x2c, 4, "SUBSYSTEM_VENDOR_ID" }, - { 0, 0x2e, 2, "SUBSYSTEM_ID" }, - { 0, 0x30, 4, "ROM_ADDRESS" }, - { 0, 0x3c, 1, "INTERRUPT_LINE" }, - { 0, 0x3d, 1, "INTERRUPT_PIN" }, - { 0, 0x3e, 1, "MIN_GNT" }, - { 0, 0x3f, 1, "MAX_LAT" }, - { 0, 0x18, 1, "PRIMARY_BUS" }, - { 0, 0x19, 1, "SECONDARY_BUS" }, - { 0, 0x1a, 1, "SUBORDINATE_BUS" }, - { 0, 0x1b, 1, "SEC_LATENCY_TIMER" }, - { 0, 0x1c, 1, "IO_BASE" }, - { 0, 0x1d, 1, "IO_LIMIT" }, - { 0, 0x1e, 2, "SEC_STATUS" }, - { 0, 0x20, 2, "MEMORY_BASE" }, - { 0, 0x22, 2, "MEMORY_LIMIT" }, - { 0, 0x24, 2, "PREF_MEMORY_BASE" }, - { 0, 0x26, 2, "PREF_MEMORY_LIMIT" }, - { 0, 0x28, 4, "PREF_BASE_UPPER32" }, - { 0, 0x2c, 4, "PREF_LIMIT_UPPER32" }, - { 0, 0x30, 2, "IO_BASE_UPPER16" }, - { 0, 0x32, 2, "IO_LIMIT_UPPER16" }, - { 0, 0x38, 4, "BRIDGE_ROM_ADDRESS" }, - { 0, 0x3e, 2, "BRIDGE_CONTROL" }, - { 0, 0x10, 4, "CB_CARDBUS_BASE" }, - { 0, 0x14, 2, "CB_CAPABILITIES" }, - { 0, 0x16, 2, "CB_SEC_STATUS" }, - { 0, 0x18, 1, "CB_BUS_NUMBER" }, - { 0, 0x19, 1, "CB_CARDBUS_NUMBER" }, - { 0, 0x1a, 1, "CB_SUBORDINATE_BUS" }, - { 0, 0x1b, 1, "CB_CARDBUS_LATENCY" }, - { 0, 0x1c, 4, "CB_MEMORY_BASE_0" }, - { 0, 0x20, 4, "CB_MEMORY_LIMIT_0" }, - { 0, 0x24, 4, "CB_MEMORY_BASE_1" }, - { 0, 0x28, 4, "CB_MEMORY_LIMIT_1" }, - { 0, 0x2c, 2, "CB_IO_BASE_0" }, - { 0, 0x2e, 2, "CB_IO_BASE_0_HI" }, - { 0, 0x30, 2, "CB_IO_LIMIT_0" }, - { 0, 0x32, 2, "CB_IO_LIMIT_0_HI" }, - { 0, 0x34, 2, "CB_IO_BASE_1" }, - { 0, 0x36, 2, "CB_IO_BASE_1_HI" }, - { 0, 0x38, 2, "CB_IO_LIMIT_1" }, - { 0, 0x3a, 2, "CB_IO_LIMIT_1_HI" }, - { 0, 0x40, 2, "CB_SUBSYSTEM_VENDOR_ID" }, - { 0, 0x42, 2, "CB_SUBSYSTEM_ID" }, - { 0, 0x44, 4, "CB_LEGACY_MODE_BASE" }, - { 0x10001, 0, 0, "CAP_PM" }, - { 0x10002, 0, 0, "CAP_AGP" }, - { 0x10003, 0, 0, "CAP_VPD" }, - { 0x10004, 0, 0, "CAP_SLOTID" }, - { 0x10005, 0, 0, "CAP_MSI" }, - { 0x10006, 0, 0, "CAP_CHSWP" }, - { 0x10007, 0, 0, "CAP_PCIX" }, - { 0x10008, 0, 0, "CAP_HT" }, - { 0x10009, 0, 0, "CAP_VNDR" }, - { 0x1000a, 0, 0, "CAP_DBG" }, - { 0x1000b, 0, 0, "CAP_CCRC" }, - { 0x1000c, 0, 0, "CAP_HOTPLUG" }, - { 0x1000d, 0, 0, "CAP_SSVID" }, - { 0x1000e, 0, 0, "CAP_AGP3" }, - { 0x1000f, 0, 0, "CAP_SECURE" }, - { 0x10010, 0, 0, "CAP_EXP" }, - { 0x10011, 0, 0, "CAP_MSIX" }, - { 0x10012, 0, 0, "CAP_SATA" }, - { 0x10013, 0, 0, "CAP_AF" }, - { 0x20001, 0, 0, "ECAP_AER" }, - { 0x20002, 0, 0, "ECAP_VC" }, - { 0x20003, 0, 0, "ECAP_DSN" }, - { 0x20004, 0, 0, "ECAP_PB" }, - { 0x20005, 0, 0, "ECAP_RCLINK" }, - { 0x20006, 0, 0, "ECAP_RCILINK" }, - { 0x20007, 0, 0, "ECAP_RCECOLL" }, - { 0x20008, 0, 0, "ECAP_MFVC" }, - { 0x2000a, 0, 0, "ECAP_RBCB" }, - { 0x2000b, 0, 0, "ECAP_VNDR" }, - { 0x2000d, 0, 0, "ECAP_ACS" }, - { 0x2000e, 0, 0, "ECAP_ARI" }, - { 0x2000f, 0, 0, "ECAP_ATS" }, - { 0x20010, 0, 0, "ECAP_SRIOV" }, - { 0, 0, 0, NULL } + { 0, 0x00, 2, 0x0, "VENDOR_ID" }, + { 0, 0x02, 2, 0x0, "DEVICE_ID" }, + { 0, 0x04, 2, 0x0, "COMMAND" }, + { 0, 0x06, 2, 0x0, "STATUS" }, + { 0, 0x08, 1, 0x0, "REVISION" }, + { 0, 0x09, 1, 0x0, "CLASS_PROG" }, + { 0, 0x0a, 2, 0x0, "CLASS_DEVICE" }, + { 0, 0x0c, 1, 0x0, "CACHE_LINE_SIZE" }, + { 0, 0x0d, 1, 0x0, "LATENCY_TIMER" }, + { 0, 0x0e, 1, 0x0, "HEADER_TYPE" }, + { 0, 0x0f, 1, 0x0, "BIST" }, + { 0, 0x10, 4, 0x3, "BASE_ADDRESS_0" }, + { 0, 0x14, 4, 0x3, "BASE_ADDRESS_1" }, + { 0, 0x18, 4, 0x1, "BASE_ADDRESS_2" }, + { 0, 0x1c, 4, 0x1, "BASE_ADDRESS_3" }, + { 0, 0x20, 4, 0x1, "BASE_ADDRESS_4" }, + { 0, 0x24, 4, 0x1, "BASE_ADDRESS_5" }, + { 0, 0x28, 4, 0x1, "CARDBUS_CIS" }, + { 0, 0x2c, 2, 0x1, "SUBSYSTEM_VENDOR_ID" }, + { 0, 0x2e, 2, 0x1, "SUBSYSTEM_ID" }, + { 0, 0x30, 4, 0x1, "ROM_ADDRESS" }, + { 0, 0x34, 1, 0x3, "CAPABILITIES" }, + { 0, 0x3c, 1, 0x3, "INTERRUPT_LINE" }, + { 0, 0x3d, 1, 0x3, "INTERRUPT_PIN" }, + { 0, 0x3e, 1, 0x1, "MIN_GNT" }, + { 0, 0x3f, 1, 0x1, "MAX_LAT" }, + { 0, 0x18, 1, 0x2, "PRIMARY_BUS" }, + { 0, 0x19, 1, 0x2, "SECONDARY_BUS" }, + { 0, 0x1a, 1, 0x2, "SUBORDINATE_BUS" }, + { 0, 0x1b, 1, 0x2, "SEC_LATENCY_TIMER" }, + { 0, 0x1c, 1, 0x2, "IO_BASE" }, + { 0, 0x1d, 1, 0x2, "IO_LIMIT" }, + { 0, 0x1e, 2, 0x2, "SEC_STATUS" }, + { 0, 0x20, 2, 0x2, "MEMORY_BASE" }, + { 0, 0x22, 2, 0x2, "MEMORY_LIMIT" }, + { 0, 0x24, 2, 0x2, "PREF_MEMORY_BASE" }, + { 0, 0x26, 2, 0x2, "PREF_MEMORY_LIMIT" }, + { 0, 0x28, 4, 0x2, "PREF_BASE_UPPER32" }, + { 0, 0x2c, 4, 0x2, "PREF_LIMIT_UPPER32" }, + { 0, 0x30, 2, 0x2, "IO_BASE_UPPER16" }, + { 0, 0x32, 2, 0x2, "IO_LIMIT_UPPER16" }, + { 0, 0x38, 4, 0x2, "BRIDGE_ROM_ADDRESS" }, + { 0, 0x3e, 2, 0x2, "BRIDGE_CONTROL" }, + { 0, 0x10, 4, 0x4, "CB_CARDBUS_BASE" }, + { 0, 0x14, 2, 0x4, "CB_CAPABILITIES" }, + { 0, 0x16, 2, 0x4, "CB_SEC_STATUS" }, + { 0, 0x18, 1, 0x4, "CB_BUS_NUMBER" }, + { 0, 0x19, 1, 0x4, "CB_CARDBUS_NUMBER" }, + { 0, 0x1a, 1, 0x4, "CB_SUBORDINATE_BUS" }, + { 0, 0x1b, 1, 0x4, "CB_CARDBUS_LATENCY" }, + { 0, 0x1c, 4, 0x4, "CB_MEMORY_BASE_0" }, + { 0, 0x20, 4, 0x4, "CB_MEMORY_LIMIT_0" }, + { 0, 0x24, 4, 0x4, "CB_MEMORY_BASE_1" }, + { 0, 0x28, 4, 0x4, "CB_MEMORY_LIMIT_1" }, + { 0, 0x2c, 2, 0x4, "CB_IO_BASE_0" }, + { 0, 0x2e, 2, 0x4, "CB_IO_BASE_0_HI" }, + { 0, 0x30, 2, 0x4, "CB_IO_LIMIT_0" }, + { 0, 0x32, 2, 0x4, "CB_IO_LIMIT_0_HI" }, + { 0, 0x34, 2, 0x4, "CB_IO_BASE_1" }, + { 0, 0x36, 2, 0x4, "CB_IO_BASE_1_HI" }, + { 0, 0x38, 2, 0x4, "CB_IO_LIMIT_1" }, + { 0, 0x3a, 2, 0x4, "CB_IO_LIMIT_1_HI" }, + { 0, 0x40, 2, 0x4, "CB_SUBSYSTEM_VENDOR_ID" }, + { 0, 0x42, 2, 0x4, "CB_SUBSYSTEM_ID" }, + { 0, 0x44, 4, 0x4, "CB_LEGACY_MODE_BASE" }, + { 0x10001, 0, 0, 0x0, "CAP_PM" }, + { 0x10002, 0, 0, 0x0, "CAP_AGP" }, + { 0x10003, 0, 0, 0x0, "CAP_VPD" }, + { 0x10004, 0, 0, 0x0, "CAP_SLOTID" }, + { 0x10005, 0, 0, 0x0, "CAP_MSI" }, + { 0x10006, 0, 0, 0x0, "CAP_CHSWP" }, + { 0x10007, 0, 0, 0x0, "CAP_PCIX" }, + { 0x10008, 0, 0, 0x0, "CAP_HT" }, + { 0x10009, 0, 0, 0x0, "CAP_VNDR" }, + { 0x1000a, 0, 0, 0x0, "CAP_DBG" }, + { 0x1000b, 0, 0, 0x0, "CAP_CCRC" }, + { 0x1000c, 0, 0, 0x0, "CAP_HOTPLUG" }, + { 0x1000d, 0, 0, 0x0, "CAP_SSVID" }, + { 0x1000e, 0, 0, 0x0, "CAP_AGP3" }, + { 0x1000f, 0, 0, 0x0, "CAP_SECURE" }, + { 0x10010, 0, 0, 0x0, "CAP_EXP" }, + { 0x10011, 0, 0, 0x0, "CAP_MSIX" }, + { 0x10012, 0, 0, 0x0, "CAP_SATA" }, + { 0x10013, 0, 0, 0x0, "CAP_AF" }, + { 0x10014, 0, 0, 0x0, "CAP_EA" }, + { 0x20001, 0, 0, 0x0, "ECAP_AER" }, + { 0x20002, 0, 0, 0x0, "ECAP_VC" }, + { 0x20003, 0, 0, 0x0, "ECAP_DSN" }, + { 0x20004, 0, 0, 0x0, "ECAP_PB" }, + { 0x20005, 0, 0, 0x0, "ECAP_RCLINK" }, + { 0x20006, 0, 0, 0x0, "ECAP_RCILINK" }, + { 0x20007, 0, 0, 0x0, "ECAP_RCEC" }, + { 0x20008, 0, 0, 0x0, "ECAP_MFVC" }, + { 0x20009, 0, 0, 0x0, "ECAP_VC2" }, + { 0x2000a, 0, 0, 0x0, "ECAP_RBCB" }, + { 0x2000b, 0, 0, 0x0, "ECAP_VNDR" }, + { 0x2000d, 0, 0, 0x0, "ECAP_ACS" }, + { 0x2000e, 0, 0, 0x0, "ECAP_ARI" }, + { 0x2000f, 0, 0, 0x0, "ECAP_ATS" }, + { 0x20010, 0, 0, 0x0, "ECAP_SRIOV" }, + { 0x20011, 0, 0, 0x0, "ECAP_MRIOV" }, + { 0x20012, 0, 0, 0x0, "ECAP_MCAST" }, + { 0x20013, 0, 0, 0x0, "ECAP_PRI" }, + { 0x20015, 0, 0, 0x0, "ECAP_REBAR" }, + { 0x20016, 0, 0, 0x0, "ECAP_DPA" }, + { 0x20017, 0, 0, 0x0, "ECAP_TPH" }, + { 0x20018, 0, 0, 0x0, "ECAP_LTR" }, + { 0x20019, 0, 0, 0x0, "ECAP_SECPCI" }, + { 0x2001a, 0, 0, 0x0, "ECAP_PMUX" }, + { 0x2001b, 0, 0, 0x0, "ECAP_PASID" }, + { 0x2001c, 0, 0, 0x0, "ECAP_LNR" }, + { 0x2001d, 0, 0, 0x0, "ECAP_DPC" }, + { 0x2001e, 0, 0, 0x0, "ECAP_L1PM" }, + { 0x2001f, 0, 0, 0x0, "ECAP_PTM" }, + { 0x20020, 0, 0, 0x0, "ECAP_M_PCIE" }, + { 0x20021, 0, 0, 0x0, "ECAP_FRS" }, + { 0x20022, 0, 0, 0x0, "ECAP_RTR" }, + { 0x20023, 0, 0, 0x0, "ECAP_DVSEC" }, + { 0x20024, 0, 0, 0x0, "ECAP_VF_REBAR" }, + { 0x20025, 0, 0, 0x0, "ECAP_DLNK" }, + { 0x20026, 0, 0, 0x0, "ECAP_16GT" }, + { 0x20027, 0, 0, 0x0, "ECAP_LMR" }, + { 0x20028, 0, 0, 0x0, "ECAP_HIER_ID" }, + { 0x20029, 0, 0, 0x0, "ECAP_NPEM" }, + { 0, 0, 0, 0x0, NULL } }; static void @@ -323,17 +415,9 @@ dump_registers(void) } } -static void NONRET PCI_PRINTF(1,2) -usage(char *msg, ...) +static void NONRET +usage(void) { - va_list args; - va_start(args, msg); - if (msg) - { - fprintf(stderr, "setpci: "); - vfprintf(stderr, msg, args); - fprintf(stderr, "\n\n"); - } fprintf(stderr, "Usage: setpci [] (+ [=]*)*\n" "\n" @@ -341,6 +425,7 @@ usage(char *msg, ...) "-f\t\tDon't complain if there's nothing to do\n" "-v\t\tBe verbose\n" "-D\t\tList changes, don't commit them\n" +"-r\t\tUse raw access without bus scan if possible\n" "--dumpregs\tDump all known register names and exit\n" "\n" "PCI access options:\n" @@ -349,7 +434,7 @@ GENERIC_HELP "Setting commands:\n" ":\t-s [[[]:][]:][][.[]]\n" "\t\t-d []:[]\n" -":\t\t[+][.(B|W|L)]\n" +":\t\t[+][.(B|W|L)][@]\n" ":\t\t
\n" "\t\t\n" "\t\t[E]CAP_\n" @@ -357,24 +442,40 @@ GENERIC_HELP ":\t[,...]\n" ":\t\n" "\t\t:\n"); + exit(0); +} + +static void NONRET PCI_PRINTF(1,2) +parse_err(const char *msg, ...) +{ + va_list args; + va_start(args, msg); + fprintf(stderr, "setpci: "); + vfprintf(stderr, msg, args); + fprintf(stderr, ".\nTry `setpci --help' for more information.\n"); exit(1); } static int parse_options(int argc, char **argv) { - char *opts = GENERIC_OPTIONS; + const char opts[] = GENERIC_OPTIONS; int i=1; - if (argc == 2 && !strcmp(argv[1], "--version")) - { - puts("setpci version " PCIUTILS_VERSION); - exit(0); - } - if (argc == 2 && !strcmp(argv[1], "--dumpregs")) + if (argc == 2) { - dump_registers(); - exit(0); + if (!strcmp(argv[1], "--help")) + usage(); + if (!strcmp(argv[1], "--version")) + { + puts("setpci version " PCIUTILS_VERSION); + exit(0); + } + if (!strcmp(argv[1], "--dumpregs")) + { + dump_registers(); + exit(0); + } } while (i < argc && argv[i][0] == '-') @@ -399,6 +500,10 @@ parse_options(int argc, char **argv) demo_mode++; c++; break; + case 'r': + allow_raw_access++; + c++; + break; default: if (e = strchr(opts, *c)) { @@ -411,18 +516,18 @@ parse_options(int argc, char **argv) else if (i < argc) arg = argv[i++]; else - usage(NULL); + parse_err("Option -%c requires an argument", *e); c = ""; } else arg = NULL; if (!parse_generic_option(*e, pacc, arg)) - usage(NULL); + parse_err("Unable to parse option -%c", *e); } else { if (c != d) - usage(NULL); + parse_err("Invalid or misplaced option -%c", *c); return i-1; } } @@ -431,31 +536,31 @@ parse_options(int argc, char **argv) return i; } -static int parse_filter(int argc, char **argv, int i, struct pci_filter *filter) +static int parse_filter(int argc, char **argv, int i, struct group *group) { char *c = argv[i++]; char *d; if (!c[1] || !strchr("sd", c[1])) - usage(NULL); + parse_err("Invalid option -%c", c[1]); if (c[2]) d = (c[2] == '=') ? c+3 : c+2; else if (i < argc) d = argv[i++]; else - usage(NULL); + parse_err("Option -%c requires an argument", c[1]); switch (c[1]) { case 's': - if (d = pci_filter_parse_slot(filter, d)) - die("-s: %s", d); + if (d = pci_filter_parse_slot(&group->filter, d)) + parse_err("Unable to parse filter -s %s", d); break; case 'd': - if (d = pci_filter_parse_id(filter, d)) - die("-d: %s", d); + if (d = pci_filter_parse_id(&group->filter, d)) + parse_err("Unable to parse filter -d %s", d); break; default: - usage(NULL); + parse_err("Unknown filter option -%c", c[1]); } return i; @@ -474,11 +579,12 @@ static const struct reg_name *parse_reg_name(char *name) static int parse_x32(char *c, char **stopp, unsigned int *resp) { char *stop; + unsigned long int l; if (!*c) return -1; errno = 0; - unsigned long int l = strtoul(c, &stop, 16); + l = strtoul(c, &stop, 16); if (errno) return -1; if ((l & ~0U) != l) @@ -491,7 +597,11 @@ static int parse_x32(char *c, char **stopp, unsigned int *resp) return 0; } else - return 1; + { + if (stopp) + *stopp = NULL; + return 1; + } } static void parse_register(struct op *op, char *base) @@ -515,6 +625,8 @@ static void parse_register(struct op *op, char *base) } op->cap_id = r->cap & 0xffff; op->addr = r->offset; + op->hdr_type_mask = r->hdr_type_mask; + op->name = r->name; if (r->width && !op->width) op->width = r->width; return; @@ -539,12 +651,12 @@ static void parse_register(struct op *op, char *base) return; } } - usage("Unknown register \"%s\"", base); + parse_err("Unknown register \"%s\"", base); } -static void parse_op(char *c, struct pci_dev **selected_devices) +static void parse_op(char *c, struct group *group) { - char *base, *offset, *width, *value; + char *base, *offset, *width, *value, *number; char *e, *f; int n, j; struct op *op; @@ -553,6 +665,8 @@ static void parse_op(char *c, struct pci_dev **selected_devices) base = xstrdup(c); if (value = strchr(base, '=')) *value++ = 0; + if (number = strchr(base, '@')) + *number++ = 0; if (width = strchr(base, '.')) *width++ = 0; if (offset = strchr(base, '+')) @@ -563,7 +677,7 @@ static void parse_op(char *c, struct pci_dev **selected_devices) if (value) { if (!*value) - usage("Missing value"); + parse_err("Missing value"); n++; for (e=value; *e; e++) if (*e == ',') @@ -572,14 +686,16 @@ static void parse_op(char *c, struct pci_dev **selected_devices) /* Allocate the operation */ op = xmalloc(sizeof(struct op) + n*sizeof(struct value)); - op->dev_vector = selected_devices; + memset(op, 0, sizeof(struct op)); + *group->last_op = op; + group->last_op = &op->next; op->num_values = n; /* What is the width suffix? */ if (width) { if (width[1]) - usage("Invalid width \"%s\"", width); + parse_err("Invalid width \"%s\"", width); switch (*width & 0xdf) { case 'B': @@ -589,31 +705,43 @@ static void parse_op(char *c, struct pci_dev **selected_devices) case 'L': op->width = 4; break; default: - usage("Invalid width \"%c\"", *width); + parse_err("Invalid width \"%c\"", *width); } } else op->width = 0; + /* Check which n-th capability of the same id we want */ + if (number) + { + unsigned int num; + if (parse_x32(number, NULL, &num) <= 0 || (int) num < 0) + parse_err("Invalid number \"%s\"", number); + op->number = num; + + } + else + op->number = 0; + /* Find the register */ parse_register(op, base); if (!op->width) - usage("Missing width"); + parse_err("Missing width"); /* Add offset */ if (offset) { unsigned int off; if (parse_x32(offset, NULL, &off) <= 0 || off >= 0x1000) - die("Invalid offset \"%s\"", offset); + parse_err("Invalid offset \"%s\"", offset); op->addr += off; } /* Check range */ if (op->addr >= 0x1000 || op->addr + op->width*(n ? n : 1) > 0x1000) - die("Register number out of range!"); + parse_err("Register number %02x out of range", op->addr); if (op->addr & (op->width - 1)) - die("Unaligned register address!"); + parse_err("Unaligned register address %02x", op->addr); /* Parse the values */ for (j=0; jwidth]; - if (ll > lim && ll < ~0UL - lim) - usage("Value \"%s\" is out of range", value); + if (ll > lim && ll < ~0U - lim) + parse_err("Value \"%s\" is out of range", value); op->values[j].value = ll; - if (*f == ':') + if (f && *f == ':') { if (parse_x32(f+1, NULL, &ll) <= 0) - usage("Invalid mask \"%s\"", f+1); - if (ll > lim && ll < ~0UL - lim) - usage("Mask \"%s\" is out of range", f+1); + parse_err("Invalid mask \"%s\"", f+1); + if (ll > lim && ll < ~0U - lim) + parse_err("Mask \"%s\" is out of range", f+1); op->values[j].mask = ll; op->values[j].value &= ll; } @@ -641,17 +769,24 @@ static void parse_op(char *c, struct pci_dev **selected_devices) op->values[j].mask = ~0U; value = e; } +} + +static struct group *new_group(void) +{ + struct group *g = xmalloc(sizeof(*g)); - *last_op = op; - last_op = &op->next; - op->next = NULL; + memset(g, 0, sizeof(*g)); + pci_filter_init(pacc, &g->filter); + g->last_op = &g->first_op; + + *last_group = g; + last_group = &g->next; + return g; } static void parse_ops(int argc, char **argv, int i) { - enum { STATE_INIT, STATE_GOT_FILTER, STATE_GOT_OP } state = STATE_INIT; - struct pci_filter filter; - struct pci_dev **selected_devices = NULL; + struct group *group = NULL; while (i < argc) { @@ -659,25 +794,19 @@ static void parse_ops(int argc, char **argv, int i) if (*c == '-') { - if (state != STATE_GOT_FILTER) - pci_filter_init(pacc, &filter); - i = parse_filter(argc, argv, i-1, &filter); - state = STATE_GOT_FILTER; + if (!group || group->first_op) + group = new_group(); + i = parse_filter(argc, argv, i-1, group); } else { - if (state == STATE_INIT) - usage(NULL); - if (state == STATE_GOT_FILTER) - selected_devices = select_devices(&filter); - if (!selected_devices[0] && !force) - fprintf(stderr, "setpci: Warning: No devices selected for `%s'.\n", c); - parse_op(c, selected_devices); - state = STATE_GOT_OP; + if (!group) + parse_err("Filter specification expected"); + parse_op(c, group); } } - if (state == STATE_INIT) - usage("No operation specified"); + if (!group) + parse_err("No operation specified"); } int @@ -690,11 +819,14 @@ main(int argc, char **argv) i = parse_options(argc, argv); pci_init(pacc); - pci_scan_bus(pacc); parse_ops(argc, argv, i); - scan_ops(first_op); - execute(first_op); + scan_ops(); + + if (need_bus_scan) + pci_scan_bus(pacc); + + execute(); return 0; }