X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=setpci.c;h=731c612504e15e9404942407112581e1139606fe;hb=17ec7e70ea71a3ccbccf9f3b9cfe846eb1200e0d;hp=fc10c1de8459c72c59b1c4e07b83079890139a36;hpb=6add52f5de13f9e29cc0f70e6c08a38b2347a6ed;p=pciutils.git diff --git a/setpci.c b/setpci.c index fc10c1d..731c612 100644 --- a/setpci.c +++ b/setpci.c @@ -1,7 +1,7 @@ /* * The PCI Utilities -- Manipulate PCI Configuration Registers * - * Copyright (c) 1998--2006 Martin Mares + * Copyright (c) 1998--2008 Martin Mares * * Can be freely distributed and used under the terms of the GNU GPL. */ @@ -10,8 +10,9 @@ #include #include #include -#include +#include +#define PCIUTILS_SETPCI #include "pciutils.h" static int force; /* Don't complain if no devices match */ @@ -30,9 +31,11 @@ struct value { struct op { struct op *next; struct pci_dev **dev_vector; + u16 cap_type; /* PCI_CAP_xxx or 0 */ + u16 cap_id; unsigned int addr; unsigned int width; /* Byte width of the access */ - int num_values; /* Number of values to write; <0=read */ + unsigned int num_values; /* Number of values to write; 0=read */ struct value values[0]; }; @@ -45,41 +48,66 @@ select_devices(struct pci_filter *filt) struct pci_dev *z, **a, **b; int cnt = 1; - for(z=pacc->devices; z; z=z->next) + 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) + for (z=pacc->devices; z; z=z->next) if (pci_filter_match(filt, z)) *a++ = z; *a = NULL; return b; } +static void PCI_PRINTF(1,2) +trace(const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + if (verbose) + vprintf(fmt, args); + va_end(args); +} + static void exec_op(struct op *op, struct pci_dev *dev) { - char *formats[] = { NULL, "%02x", "%04x", NULL, "%08x" }; - char *mask_formats[] = { NULL, "%02x->(%02x:%02x)->%02x", "%04x->(%04x:%04x)->%04x", NULL, "%08x->(%08x:%08x)->%08x" }; - unsigned int x, y; - int i, addr; + const char * const formats[] = { NULL, " %02x", " %04x", NULL, " %08x" }; + const char * const mask_formats[] = { NULL, " %02x->(%02x:%02x)->%02x", " %04x->(%04x:%04x)->%04x", NULL, " %08x->(%08x:%08x)->%08x" }; + unsigned int i, x, y; + int addr = 0; int width = op->width; + char slot[16]; - if (verbose) - printf("%02x:%02x.%x:%02x", dev->bus, dev->dev, dev->func, op->addr); - addr = op->addr; - if (op->num_values >= 0) + sprintf(slot, "%04x:%02x:%02x.%x", dev->domain, dev->bus, dev->dev, dev->func); + trace("%s ", slot); + if (op->cap_type) + { + struct pci_cap *cap; + cap = pci_find_cap(dev, op->cap_id, op->cap_type); + if (cap) + addr = cap->addr; + else + die("%s: %s %04x not found", slot, ((op->cap_type == PCI_CAP_NORMAL) ? "Capability" : "Extended capability"), op->cap_id); + trace(((op->cap_type == PCI_CAP_NORMAL) ? "(cap %02x @%02x) " : "(ecap %04x @%03x) "), op->cap_id, addr); + } + addr += op->addr; + trace("@%02x", addr); + + /* We have already checked it when parsing, but addressing relative to capabilities can change the address. */ + if (addr & (width-1)) + die("%s: Unaligned access of width %d to register %04x", slot, width, addr); + if (addr + width > 0x1000) + die("%s: Access of width %d to register %04x out of range", slot, width, addr); + + if (op->num_values) { - for(i=0; inum_values; i++) + for (i=0; inum_values; i++) { if ((op->values[i].mask & max_values[width]) == max_values[width]) { x = op->values[i].value; - if (verbose) - { - putchar(' '); - printf(formats[width], op->values[i].value); - } + trace(formats[width], op->values[i].value); } else { @@ -96,11 +124,7 @@ exec_op(struct op *op, struct pci_dev *dev) break; } x = (y & ~op->values[i].mask) | op->values[i].value; - if (verbose) - { - putchar(' '); - printf(mask_formats[width], y, op->values[i].value, op->values[i].mask, x); - } + trace(mask_formats[width], y, op->values[i].value, op->values[i].mask, x); } if (!demo_mode) { @@ -119,13 +143,11 @@ exec_op(struct op *op, struct pci_dev *dev) } addr += width; } - if (verbose) - putchar('\n'); + trace("\n"); } else { - if (verbose) - printf(" = "); + trace(" = "); switch (width) { case 1: @@ -138,7 +160,7 @@ exec_op(struct op *op, struct pci_dev *dev) x = pci_read_long(dev, addr); break; } - printf(formats[width], x); + printf(formats[width]+1, x); putchar('\n'); } } @@ -154,7 +176,7 @@ execute(struct op *op) { pdev = vec = op->dev_vector; while (dev = *pdev++) - for(oops=op; oops && oops->dev_vector == vec; oops=oops->next) + for (oops=op; oops && oops->dev_vector == vec; oops=oops->next) exec_op(oops, dev); while (op && op->dev_vector == vec) op = op->next; @@ -164,142 +186,214 @@ execute(struct op *op) static void scan_ops(struct op *op) { + if (demo_mode) + return; while (op) { - if (op->num_values >= 0) + if (op->num_values) pacc->writeable = 1; op = op->next; } } struct reg_name { + unsigned int cap; unsigned int offset; unsigned int width; const char *name; }; static const struct reg_name pci_reg_names[] = { - { 0x00, 2, "VENDOR_ID", }, - { 0x02, 2, "DEVICE_ID", }, - { 0x04, 2, "COMMAND", }, - { 0x06, 2, "STATUS", }, - { 0x08, 1, "REVISION", }, - { 0x09, 1, "CLASS_PROG", }, - { 0x0a, 2, "CLASS_DEVICE", }, - { 0x0c, 1, "CACHE_LINE_SIZE", }, - { 0x0d, 1, "LATENCY_TIMER", }, - { 0x0e, 1, "HEADER_TYPE", }, - { 0x0f, 1, "BIST", }, - { 0x10, 4, "BASE_ADDRESS_0", }, - { 0x14, 4, "BASE_ADDRESS_1", }, - { 0x18, 4, "BASE_ADDRESS_2", }, - { 0x1c, 4, "BASE_ADDRESS_3", }, - { 0x20, 4, "BASE_ADDRESS_4", }, - { 0x24, 4, "BASE_ADDRESS_5", }, - { 0x28, 4, "CARDBUS_CIS", }, - { 0x2c, 4, "SUBSYSTEM_VENDOR_ID", }, - { 0x2e, 2, "SUBSYSTEM_ID", }, - { 0x30, 4, "ROM_ADDRESS", }, - { 0x3c, 1, "INTERRUPT_LINE", }, - { 0x3d, 1, "INTERRUPT_PIN", }, - { 0x3e, 1, "MIN_GNT", }, - { 0x3f, 1, "MAX_LAT", }, - { 0x18, 1, "PRIMARY_BUS", }, - { 0x19, 1, "SECONDARY_BUS", }, - { 0x1a, 1, "SUBORDINATE_BUS", }, - { 0x1b, 1, "SEC_LATENCY_TIMER", }, - { 0x1c, 1, "IO_BASE", }, - { 0x1d, 1, "IO_LIMIT", }, - { 0x1e, 2, "SEC_STATUS", }, - { 0x20, 2, "MEMORY_BASE", }, - { 0x22, 2, "MEMORY_LIMIT", }, - { 0x24, 2, "PREF_MEMORY_BASE", }, - { 0x26, 2, "PREF_MEMORY_LIMIT", }, - { 0x28, 4, "PREF_BASE_UPPER32", }, - { 0x2c, 4, "PREF_LIMIT_UPPER32", }, - { 0x30, 2, "IO_BASE_UPPER16", }, - { 0x32, 2, "IO_LIMIT_UPPER16", }, - { 0x38, 4, "BRIDGE_ROM_ADDRESS", }, - { 0x3e, 2, "BRIDGE_CONTROL", }, - { 0x10, 4, "CB_CARDBUS_BASE", }, - { 0x14, 2, "CB_CAPABILITIES", }, - { 0x16, 2, "CB_SEC_STATUS", }, - { 0x18, 1, "CB_BUS_NUMBER", }, - { 0x19, 1, "CB_CARDBUS_NUMBER", }, - { 0x1a, 1, "CB_SUBORDINATE_BUS", }, - { 0x1b, 1, "CB_CARDBUS_LATENCY", }, - { 0x1c, 4, "CB_MEMORY_BASE_0", }, - { 0x20, 4, "CB_MEMORY_LIMIT_0", }, - { 0x24, 4, "CB_MEMORY_BASE_1", }, - { 0x28, 4, "CB_MEMORY_LIMIT_1", }, - { 0x2c, 2, "CB_IO_BASE_0", }, - { 0x2e, 2, "CB_IO_BASE_0_HI", }, - { 0x30, 2, "CB_IO_LIMIT_0", }, - { 0x32, 2, "CB_IO_LIMIT_0_HI", }, - { 0x34, 2, "CB_IO_BASE_1", }, - { 0x36, 2, "CB_IO_BASE_1_HI", }, - { 0x38, 2, "CB_IO_LIMIT_1", }, - { 0x3a, 2, "CB_IO_LIMIT_1_HI", }, - { 0x40, 2, "CB_SUBSYSTEM_VENDOR_ID", }, - { 0x42, 2, "CB_SUBSYSTEM_ID", }, - { 0x44, 4, "CB_LEGACY_MODE_BASE", }, - { 0x00, 0, NULL } + { 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 } }; -static void NONRET -usage(char *msg, ...) +static void +dump_registers(void) { - va_list args; - va_start(args, msg); - if (msg) + const struct reg_name *r; + + printf("cap pos w name\n"); + for (r = pci_reg_names; r->name; r++) { - fprintf(stderr, "setpci: "); - vfprintf(stderr, msg, args); - fprintf(stderr, "\n\n"); + if (r->cap >= 0x20000) + printf("%04x", r->cap - 0x20000); + else if (r->cap) + printf(" %02x", r->cap - 0x10000); + else + printf(" "); + printf(" %02x %c %s\n", r->offset, "-BW?L"[r->width], r->name); } +} + +static void NONRET +usage(void) +{ fprintf(stderr, "Usage: setpci [] (+ [=]*)*\n" +"\n" +"General options:\n" "-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" +"--dumpregs\tDump all known register names and exit\n" +"\n" +"PCI access options:\n" GENERIC_HELP +"\n" +"Setting commands:\n" ":\t-s [[[]:][]:][][.[]]\n" -"\t|\t-d []:[]\n" -":\t\t[.(B|W|L)]\n" -" |\t\t\n" +"\t\t-d []:[]\n" +":\t\t[+][.(B|W|L)]\n" +":\t\t
\n" +"\t\t\n" +"\t\t[E]CAP_\n" +"\t\t[E]CAP\n" ":\t[,...]\n" ":\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); } -int -main(int argc, char **argv) +static int +parse_options(int argc, char **argv) { - enum { STATE_INIT, STATE_GOT_FILTER, STATE_GOT_OP } state = STATE_INIT; - struct pci_filter filter; - struct pci_dev **selected_devices = NULL; - char *opts = GENERIC_OPTIONS ; + const char opts[] = GENERIC_OPTIONS; + int i=1; - if (argc == 2 && !strcmp(argv[1], "--version")) + if (argc == 2) { - puts("setpci version " PCIUTILS_VERSION); - return 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); + } } - argc--; - argv++; - pacc = pci_alloc(); - pacc->error = die; - - while (argc && argv[0][0] == '-') + while (i < argc && argv[i][0] == '-') { - char *c = argv[0]+1; + char *c = argv[i++] + 1; char *d = c; char *e; while (*c) switch (*c) { + case 0: + break; case 'v': verbose++; c++; @@ -312,8 +406,6 @@ main(int argc, char **argv) demo_mode++; c++; break; - case 0: - break; default: if (e = strchr(opts, *c)) { @@ -323,182 +415,296 @@ main(int argc, char **argv) { if (*c) arg = c; - else if (argc > 1) - { - arg = argv[1]; - argc--; 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); - goto next; + parse_err("Invalid or misplaced option -%c", *c); + return i-1; } } - argc--; - argv++; } -next: - pci_init(pacc); - pci_scan_bus(pacc); + return i; +} + +static int parse_filter(int argc, char **argv, int i, struct pci_filter *filter) +{ + char *c = argv[i++]; + char *d; + + if (!c[1] || !strchr("sd", c[1])) + 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 + parse_err("Option -%c requires an argument", c[1]); + switch (c[1]) + { + case 's': + if (d = pci_filter_parse_slot(filter, d)) + parse_err("Unable to parse filter -s %s", d); + break; + case 'd': + if (d = pci_filter_parse_id(filter, d)) + parse_err("Unable to parse filter -d %s", d); + break; + default: + parse_err("Unknown filter option -%c", c[1]); + } + + return i; +} + +static const struct reg_name *parse_reg_name(char *name) +{ + const struct reg_name *r; + + for (r = pci_reg_names; r->name; r++) + if (!strcasecmp(r->name, name)) + return r; + return NULL; +} + +static int parse_x32(char *c, char **stopp, unsigned int *resp) +{ + char *stop; + unsigned long int l; + + if (!*c) + return -1; + errno = 0; + l = strtoul(c, &stop, 16); + if (errno) + return -1; + if ((l & ~0U) != l) + return -1; + *resp = l; + if (*stop) + { + if (stopp) + *stopp = stop; + return 0; + } + else + { + if (stopp) + *stopp = NULL; + return 1; + } +} + +static void parse_register(struct op *op, char *base) +{ + const struct reg_name *r; + unsigned int cap; + + op->cap_type = op->cap_id = 0; + if (parse_x32(base, NULL, &op->addr) > 0) + return; + else if (r = parse_reg_name(base)) + { + switch (r->cap & 0xff0000) + { + case 0x10000: + op->cap_type = PCI_CAP_NORMAL; + break; + case 0x20000: + op->cap_type = PCI_CAP_EXTENDED; + break; + } + op->cap_id = r->cap & 0xffff; + op->addr = r->offset; + if (r->width && !op->width) + op->width = r->width; + return; + } + else if (!strncasecmp(base, "CAP", 3)) + { + if (parse_x32(base+3, NULL, &cap) > 0 && cap < 0x100) + { + op->cap_type = PCI_CAP_NORMAL; + op->cap_id = cap; + op->addr = 0; + return; + } + } + else if (!strncasecmp(base, "ECAP", 4)) + { + if (parse_x32(base+4, NULL, &cap) > 0 && cap < 0x1000) + { + op->cap_type = PCI_CAP_EXTENDED; + op->cap_id = cap; + op->addr = 0; + return; + } + } + parse_err("Unknown register \"%s\"", base); +} + +static void parse_op(char *c, struct pci_dev **selected_devices) +{ + char *base, *offset, *width, *value; + char *e, *f; + int n, j; + struct op *op; + + /* Split the argument */ + base = xstrdup(c); + if (value = strchr(base, '=')) + *value++ = 0; + if (width = strchr(base, '.')) + *width++ = 0; + if (offset = strchr(base, '+')) + *offset++ = 0; + + /* Look for setting of values and count how many */ + n = 0; + if (value) + { + if (!*value) + parse_err("Missing value"); + n++; + for (e=value; *e; e++) + if (*e == ',') + n++; + } + + /* Allocate the operation */ + op = xmalloc(sizeof(struct op) + n*sizeof(struct value)); + op->dev_vector = selected_devices; + op->num_values = n; + + /* What is the width suffix? */ + if (width) + { + if (width[1]) + parse_err("Invalid width \"%s\"", width); + switch (*width & 0xdf) + { + case 'B': + op->width = 1; break; + case 'W': + op->width = 2; break; + case 'L': + op->width = 4; break; + default: + parse_err("Invalid width \"%c\"", *width); + } + } + else + op->width = 0; + + /* Find the register */ + parse_register(op, base); + if (!op->width) + parse_err("Missing width"); + + /* Add offset */ + if (offset) + { + unsigned int off; + if (parse_x32(offset, NULL, &off) <= 0 || off >= 0x1000) + parse_err("Invalid offset \"%s\"", offset); + op->addr += off; + } + + /* Check range */ + if (op->addr >= 0x1000 || op->addr + op->width*(n ? n : 1) > 0x1000) + parse_err("Register number %02x out of range", op->addr); + if (op->addr & (op->width - 1)) + parse_err("Unaligned register address %02x", op->addr); - while (argc) + /* Parse the values */ + for (j=0; jwidth]; + if (ll > lim && ll < ~0UL - lim) + parse_err("Value \"%s\" is out of range", value); + op->values[j].value = ll; + if (f && *f == ':') + { + if (parse_x32(f+1, NULL, &ll) <= 0) + parse_err("Invalid mask \"%s\"", f+1); + if (ll > lim && ll < ~0UL - lim) + parse_err("Mask \"%s\" is out of range", f+1); + op->values[j].mask = ll; + op->values[j].value &= ll; + } + else + op->values[j].mask = ~0U; + value = e; + } + + *last_op = op; + last_op = &op->next; + op->next = NULL; +} + +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; + + while (i < argc) + { + char *c = argv[i++]; if (*c == '-') { - if (!c[1] || !strchr("sd", c[1])) - usage(NULL); - if (c[2]) - d = (c[2] == '=') ? c+3 : c+2; - else if (argc > 1) - { - argc--; - argv++; - d = argv[0]; - } - else - usage(NULL); if (state != STATE_GOT_FILTER) - { - pci_filter_init(pacc, &filter); - state = STATE_GOT_FILTER; - } - switch (c[1]) - { - case 's': - if (d = pci_filter_parse_slot(&filter, d)) - die("-s: %s", d); - break; - case 'd': - if (d = pci_filter_parse_id(&filter, d)) - die("-d: %s", d); - break; - default: - usage(NULL); - } + pci_filter_init(pacc, &filter); + i = parse_filter(argc, argv, i-1, &filter); + state = STATE_GOT_FILTER; } - else if (state == STATE_INIT) - usage(NULL); else { + if (state == STATE_INIT) + parse_err("Filter specification expected"); 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); + fprintf(stderr, "setpci: Warning: No devices selected for \"%s\".\n", c); + parse_op(c, selected_devices); state = STATE_GOT_OP; - /* look for setting of values and count how many */ - d = strchr(c, '='); - if (d) - { - *d++ = 0; - if (!*d) - usage("Missing value"); - for(e=d, n=1; *e; e++) - if (*e == ',') - n++; - op = xmalloc(sizeof(struct op) + n*sizeof(struct value)); - } - else - { - n = -1; - op = xmalloc(sizeof(struct op)); - } - op->dev_vector = selected_devices; - op->num_values = n; - e = strchr(c, '.'); - if (e) - { - *e++ = 0; - if (e[1]) - usage("Missing width"); - switch (*e & 0xdf) - { - case 'B': - op->width = 1; break; - case 'W': - op->width = 2; break; - case 'L': - op->width = 4; break; - default: - usage("Invalid width \"%c\"", *e); - } - } - else - op->width = 1; - ll = strtol(c, &f, 16); - if (f && *f) - { - const struct reg_name *r; - for(r = pci_reg_names; r->name; r++) - if (!strcasecmp(r->name, c)) - break; - if (!r->name) - usage("Unknown register \"%s\"", c); - if (e && op->width != r->width) - usage("Explicit width doesn't correspond with the named register \"%s\"", c); - ll = r->offset; - op->width = r->width; - } - if (ll > 0x1000 || ll + op->width*((n < 0) ? 1 : n) > 0x1000) - die("Register number out of range!"); - if (ll & (op->width - 1)) - die("Unaligned register address!"); - op->addr = ll; - /* read in all the values to be set */ - for(i=0; iwidth]; - if (f && *f && *f != ':') - usage("Invalid value \"%s\"", d); - if (ll > lim && ll < ~0UL - lim) - usage("Value \"%s\" is out of range", d); - op->values[i].value = ll; - if (f && *f == ':') - { - d = ++f; - ll = strtoul(d, &f, 16); - if (f && *f) - usage("Invalid mask \"%s\"", d); - if (ll > lim && ll < ~0UL - lim) - usage("Mask \"%s\" is out of range", d); - op->values[i].mask = ll; - op->values[i].value &= ll; - } - else - op->values[i].mask = ~0U; - d = e; - } - *last_op = op; - last_op = &op->next; - op->next = NULL; } - argc--; - argv++; } if (state == STATE_INIT) - usage("No operation specified"); + parse_err("No operation specified"); +} + +int +main(int argc, char **argv) +{ + int i; + + pacc = pci_alloc(); + pacc->error = die; + i = parse_options(argc, argv); + + pci_init(pacc); + pci_scan_bus(pacc); + parse_ops(argc, argv, i); scan_ops(first_op); execute(first_op);