d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * CDDL HEADER START
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * The contents of this file are subject to the terms of the
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Common Development and Distribution License (the "License").
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * You may not use this file except in compliance with the License.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * See the License for the specific language governing permissions
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * and limitations under the License.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * When distributing Covered Code, include this CDDL HEADER in each
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * If applicable, add the following below this CDDL HEADER, with the
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * fields enclosed by brackets "[]" replaced with your own identifying
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * information: Portions Copyright [yyyy] [name of copyright owner]
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * CDDL HEADER END
8d7fafffed373567f52062b634e61fd50858b8d9Zhi-Jun Robin Fu * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* This file is the main module for the pcitool. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* First 16 longs of device PCI config header. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurtypedef union {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Used by probe printing functions. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurtypedef struct {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint16_t cfg_offset; /* Offset of data within config space. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint8_t size; /* Size of desired data field. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur char *abbrev_hdr; /* Abbreviated header for this data. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur char *full_hdr; /* Full header for this data, verbose option. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Used to package many args into one arg for probe di_node walk function. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurtypedef struct {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Read config space in native processor endianness. Endian-neutral
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * processing can then take place. On big endian machines, MSB and LSB
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * of little endian data end up switched if read as little endian.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * They are in correct order if read as big endian.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur#define NATIVE_ENDIAN PCITOOL_ACC_ATTR_ENDN_BIG
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur#define NATIVE_ENDIAN PCITOOL_ACC_ATTR_ENDN_LTL
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* status error lookup table. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic struct {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "No error status returned from driver" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "CPU is non-existent or not online" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "INO is out of range or invalid" },
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan "MSI is out of range or invalid" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Timeout waiting for pending interrupts to clear" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Reg property has invalid format" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Address out of range or invalid" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Improper address alignment for access attempted" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Argument out of range" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "End of address range" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Device ROM is disabled. Cannot read" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Write to ROM not allowed" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "IO error encountered" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Size is invalid for this platform" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Used with ^C handler to stop looping in repeat mode in do_device_or_nexus. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic char *strstatus(pcitool_errno_t pcitool_status);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int open_node(char *device, pcitool_uiargs_t *input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic void print_probe_value(pci_conf_hdr_t *config_hdr_p, uint16_t offset,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic void print_probe_info_verbose(pci_conf_hdr_t *config_hdr_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic void print_probe_info_nonverbose(pci_conf_hdr_t *config_hdr_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic void print_probe_info(pci_conf_hdr_t *config_hdr_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int get_config_header(int fd, uint8_t bus_no, uint8_t dev_no,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint8_t func_no, pci_conf_hdr_t *config_hdr_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int probe_dev(int fd, pcitool_reg_t *prg_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int do_probe(int fd, di_node_t di_node, di_prom_handle_t di_phdl,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int process_nexus_node(di_node_t node, di_minor_t minor, void *arg);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int do_probe_walk(pcitool_uiargs_t *input_args_p, char *pathname);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic void print_bytedump_header(boolean_t do_chardump);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int bytedump_get(int fd, int cmd, pcitool_reg_t *prg_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic uint32_t set_acc_attr(pcitool_uiargs_t *input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int do_single_access(int fd, int cmd, pcitool_reg_t *prg_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int do_device_or_nexus(int fd, pcitool_uiargs_t *input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic void print_intr_info(pcitool_intr_get_t *iget_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int get_single_interrupt(int fd, pcitool_intr_get_t **iget_pp,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int get_interrupts(int fd, pcitool_uiargs_t *input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int set_interrupts(int fd, pcitool_uiargs_t *input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurstatic int do_interrupts(int fd, pcitool_uiargs_t *input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* *************** General ************** */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Handler for ^C to stop looping.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Print string based on PCItool status returned from driver.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur for (i = 0; pcitool_stat_str[i].string != NULL; i++) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (pcitool_stat_str[i].value == pcitool_status) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur return ("Unknown status returned from driver.");
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsauropen_node(char *device, pcitool_uiargs_t *input_args_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur char *path; /* For building full nexus pathname. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Check for names starting with /devices. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur prefix = (strstr(device, slash_devices) == device) ? "" : slash_devices;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur device + (strlen(device) - strlen(PCI_MINOR_INTR))) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur device + (strlen(device) - strlen(PCI_MINOR_REG))) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Build nexus pathname.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * User specified /pci@1f,700000 becomes /devices/pci@1f,700000:intr
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * for interrupt nodes, and ...:reg for register nodes.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * ...The 2 at the end leaves room for a : and the terminating NULL.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur stringsize = strlen(prefix) + strlen(device) + strlen(suffix) + 2;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) snprintf(path, stringsize, format, prefix, device, suffix);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Open the nexus. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Could not open nexus node %s: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* ****************** Probe **************** */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* The following are used by the probe printing functions. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Header 0 and 1 config space headers have these fields. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_PROGCLASS, 3, "Class ", "Class Code" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_CACHE_LINESZ, 1, "Ca", "Cache Line Size" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_LATENCY_TIMER, 1, "LT", "Latency Timer" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Header 0 (for regular devices) have these fields. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE0, 4, "BAR0", "Base Address Register 0 (@10)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE1, 4, "BAR1", "Base Address Register 1 (@14)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE2, 4, "BAR2", "Base Address Register 2 (@18)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE3, 4, "BAR3", "Base Address Register 3 (@1C)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE4, 4, "BAR4", "Base Address Register 4 (@20)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE5, 4, "BAR5", "Base Address Register 5 (@24)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_ROM, 4, "ROM", "Expansion ROM Base Address Register (@30)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Header 1 (PCI-PCI bridge devices) have these fields. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE0, 4, "BAR0", "Base Address Register 0 (@10)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CONF_BASE1, 4, "BAR1", "Base Address Register 1 (@14)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_BCNF_ROM, 4, "ROM", "Expansion ROM Base Address Register (@38)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Header 2 (PCI-Cardbus bridge devices) have these fields. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur { PCI_CBUS_SOCK_REG, 4, "SCKT", "Socket/ExCA Base Address (@10)" },
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurprint_probe_value(pci_conf_hdr_t *config_hdr_p, uint16_t offset, uint8_t size)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Size cannot be any larger than 4 bytes. This is not checked. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Build format of print, "%<size*2>.<size*2>x" */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) snprintf(format, FMT_SIZE, "%%%d.%dx ", size * 2, size * 2);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur while (size-- > 0) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur value = (value << 8) + config_hdr_p->bytes[offset + size];
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurprint_probe_info_verbose(pci_conf_hdr_t *config_hdr_p, pcitool_reg_t *info_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Bus Number: %x Device Number: %x Function Number: %x\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur info_p->bus_no, info_p->dev_no, info_p->func_no);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("Physical Address: 0x%" PRIx64 " \n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur switch (config_hdr_p->bytes[PCI_CONF_HEADER] & PCI_HEADER_TYPE_M) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur case PCI_HEADER_ZERO: /* Header type 0 is a regular device. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur case PCI_HEADER_PPB: /* Header type 1 is a PCI-PCI bridge. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur case PCI_HEADER_CARDBUS: /* Header type 2 is a cardbus bridge */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("%s: ", first_fields[i].full_hdr);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur first_fields[i].cfg_offset, first_fields[i].size);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("%s: ", last_fields[i].full_hdr);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur last_fields[i].cfg_offset, last_fields[i].size);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurprint_probe_info_nonverbose(pci_conf_hdr_t *config_hdr_p, pcitool_reg_t *info_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur info_p->bus_no, info_p->dev_no, info_p->func_no);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur first_fields[i].cfg_offset, first_fields[i].size);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Print device information retrieved during probe mode.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Takes the PCI config header, plus address information retrieved from the
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * When called with config_hdr_p == NULL, this function just prints a header
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * when not in verbose mode.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur pci_conf_hdr_t *config_hdr_p, pcitool_reg_t *info_p, boolean_t verbose)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Print header if not in verbose mode. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Bus dev func not from tble */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur print_probe_info_verbose(config_hdr_p, info_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur print_probe_info_nonverbose(config_hdr_p, info_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Retrieve first 16 dwords of device's config header, except for the first
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * dword. First 16 dwords are defined by the PCI specification.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurget_config_header(int fd, uint8_t bus_no, uint8_t dev_no, uint8_t func_no,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Prepare a local pcitool_reg_t so as to not disturb the caller's. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur cfg_prg.acc_attr = PCITOOL_ACC_ATTR_SIZE_4 + NATIVE_ENDIAN;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Get dwords 1-15 of config space. They must be read as uint32_t. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur for (i = 1; i < (sizeof (pci_conf_hdr_t) / sizeof (uint32_t)); i++) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur ioctl(fd, PCITOOL_DEVICE_GET_REG, &cfg_prg)) != SUCCESS) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur config_hdr_p->dwords[i] = (uint32_t)cfg_prg.data;
269473047d747f7815af570197e4ef7322d3632cEvan Yan /* Prepare a local pcitool_reg_t so as to not disturb the caller's. */
269473047d747f7815af570197e4ef7322d3632cEvan Yan cfg_prg.acc_attr = PCITOOL_ACC_ATTR_SIZE_4 + PCITOOL_ACC_ATTR_ENDN_LTL;
269473047d747f7815af570197e4ef7322d3632cEvan Yan if (ioctl(fd, PCITOOL_DEVICE_GET_REG, &cfg_prg) != SUCCESS) {
8d7fafffed373567f52062b634e61fd50858b8d9Zhi-Jun Robin Fu if (ioctl(fd, PCITOOL_DEVICE_GET_REG, &cfg_prg) != SUCCESS) {
269473047d747f7815af570197e4ef7322d3632cEvan Yan if (ioctl(fd, PCITOOL_DEVICE_GET_REG, &cfg_prg) != SUCCESS) {
269473047d747f7815af570197e4ef7322d3632cEvan Yan * Find the PCIe capability.
269473047d747f7815af570197e4ef7322d3632cEvan Yan if (ioctl(fd, PCITOOL_DEVICE_GET_REG, &cfg_prg) != SUCCESS)
269473047d747f7815af570197e4ef7322d3632cEvan Yan /* Found a PCIe Capability */
269473047d747f7815af570197e4ef7322d3632cEvan Yan * Now find the ARI Capability.
269473047d747f7815af570197e4ef7322d3632cEvan Yan if (ioctl(fd, PCITOOL_DEVICE_GET_REG, &cfg_prg) != SUCCESS) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Identify problematic southbridges. These have device id 0x5249 and
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * vendor id 0x10b9. Check for revision ID 0 and class code 060400 as well.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Values are little endian, so they are reversed for SPARC.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Check for these southbridges on all architectures, as the issue is a
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * southbridge issue, independent of processor.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * If one of these is found during probing, skip probing other devs/funcs on
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * the rest of the bus, since the southbridge and all devs underneath will
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * otherwise disappear.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur#if (NATIVE_ENDIAN == PCITOOL_ACC_ATTR_ENDN_BIG)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Probe device's functions. Modifies many fields in the prg_p.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurprobe_dev(int fd, pcitool_reg_t *prg_p, pcitool_uiargs_t *input_args_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur int last_func = PCI_REG_FUNC_M >> PCI_REG_FUNC_SHIFT;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur first_func = last_func = input_args_p->function;
269473047d747f7815af570197e4ef7322d3632cEvan Yan } else if (supports_ari(fd, prg_p->bus_no) == SUCCESS) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Loop through at least func=first_func. Continue looping through
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * functions if there are no errors and the device is a multi-function
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * (Note, if first_func == 0, header will show whether multifunction
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * device and set multi_function_device. If first_func != 0, then we
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * will force the loop as the user wants a specific function to be
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur ((func == first_func) || (multi_function_device)));
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Four things can happen here:
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * 1) ioctl comes back as EFAULT and prg_p->status is
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * PCITOOL_INVALID_ADDRESS. There is no device at this
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * 2) ioctl comes back successful and the data comes back as
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * zero. Config space is mapped but no device responded.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * 3) ioctl comes back successful and the data comes back as
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * non-zero. We've found a device.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * 4) Some other error occurs in an ioctl.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (((rval = ioctl(fd, PCITOOL_DEVICE_GET_REG, prg_p)) != 0) ||
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Accept errno == EINVAL along with status of
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * PCITOOL_OUT_OF_RANGE because some systems
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * don't implement the full range of config space.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Leave the loop quietly in this case.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Exit silently with ENXIO as this means that there are
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * no devices under the pci root nexus.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Expect errno == EFAULT along with status of
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * PCITOOL_INVALID_ADDRESS because there won't be
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * devices at each stop. Quit on any other error.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (prg_p->status != PCITOOL_INVALID_ADDRESS)) &&
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Ioctl error: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * If no function at this location,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * just advance to the next function.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Data came back as 0.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Treat as unresponsive device amd check next device.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Found something. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Get the rest of the PCI header. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((rval = get_config_header(fd, prg_p->bus_no,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur prg_p->dev_no, prg_p->func_no, &config_hdr)) !=
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Print the found information. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Special case for the type of Southbridge found on
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Ultra-45 and other sun4u fire workstations.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((config_hdr.dwords[0] == U45_SB_DEVID_VID) &&
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Accomodate devices which state their
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * multi-functionality only in their function 0 config
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * space. Note multi-functionality throughout probing
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * of all of this device's functions.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Probe a given nexus config space for devices.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * fd is the file descriptor of the nexus.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * input_args contains commandline options as specified by the user.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurdo_probe(int fd, di_node_t di_node, di_prom_handle_t di_phdl,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur int last_bus = PCI_REG_BUS_M >> PCI_REG_BUS_SHIFT;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur int last_dev = PCI_REG_DEV_M >> PCI_REG_DEV_SHIFT;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Must read in 4-byte quantities. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur prg.acc_attr = PCITOOL_ACC_ATTR_SIZE_4 + NATIVE_ENDIAN;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* If an explicit bus was specified by the user, go with it. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur } else if (input_args_p->flags & PROBERNG_FLAG) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Otherwise get the bus range from properties. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur len = di_prop_lookup_ints(DDI_DEV_T_ANY, di_node,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Try PROM property */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur len = di_prom_prop_lookup_ints(di_phdl, di_node,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Take full range for default if cannot get property. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Take full range for default if not PROBERNG and not BUS_SPEC. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Explicit device given. Not probing a whole bus. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("*********** Probing buses %x through %x "
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Print header. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur print_probe_info(NULL, NULL, IS_VERBOSE(input_args_p->flags));
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Device number explicitly specified. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Loop through all valid bus / dev / func combinations to check for
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * all devices, with the following exceptions:
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * When nothing is found at function 0 of a bus / dev combination, skip
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * the other functions of that bus / dev combination.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * When a found device's function 0 is probed and it is determined that
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * it is not a multifunction device, skip probing of that device's
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * other functions.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur for (bus = first_bus; ((bus <= last_bus) && (rval == SUCCESS)); bus++) {
269473047d747f7815af570197e4ef7322d3632cEvan Yan /* Device number explicitly specified. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur ((dev <= last_dev) && (rval == SUCCESS)); dev++) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Ultra-45 southbridge workaround:
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * ECANCELED tells to skip to the next bus.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * This function is called-back from di_walk_minor() when any PROBE is processed
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurprocess_nexus_node(di_node_t di_node, di_minor_t minor, void *arg)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur probe_walk_args_t *walk_args_p = (probe_walk_args_t *)arg;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur char *nexus_path = di_devfs_minor_path(minor);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) fprintf(stderr, "Error getting nexus path: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Display this node if pathname not specified (as all nodes are
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * displayed) or if the current node matches the single specified
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * pathname. Pathname form: xxx, nexus form: xxx:reg
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur ((strstr(nexus_path, pathname) != nexus_path) ||
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (strlen(pathname) + strlen(PCI_MINOR_REG) + 1)))) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((fd = open_node(nexus_path, walk_args_p->input_args_p)) >= 0) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Strip off the suffix at the end of the nexus path. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((trunc = strstr(nexus_path, PCI_MINOR_REG)) != NULL) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Show header only if no explicit nexus node name given. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("********** Devices in tree under %s "
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Exit silently with ENXIO as this means that there are
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * no devices under the pci root nexus.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((do_probe(fd, di_node, walk_args_p->di_phdl,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) fprintf(stderr, "Error probing node %s: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * If node was explicitly specified, it has just been displayed
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * and no more looping is required.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Otherwise, keep looping for more nodes.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur return ((pathname == NULL) ? DI_WALK_CONTINUE : DI_WALK_TERMINATE);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Start of probe. If pathname is NULL, search all devices.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * di_walk_minor() walks all DDI_NT_REGACC (PCItool register access) nodes
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * and calls process_nexus_node on them. process_nexus_node will then check
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * the pathname for a match, unless it is NULL which works like a wildcard.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurdo_probe_walk(pcitool_uiargs_t *input_args_p, char *pathname)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur di_prom_handle_t di_phdl = DI_PROM_HANDLE_NIL;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((di_node = di_init("/", DINFOCPYALL)) == DI_NODE_NIL) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) fprintf(stderr, "di_init() failed: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur } else if ((input_args_p->flags & PROBERNG_FLAG) &&
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur ((di_phdl = di_prom_init()) == DI_PROM_HANDLE_NIL)) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) fprintf(stderr, "di_prom_init failed: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) di_walk_minor(di_node, DDI_NT_REGACC, 0,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* **************** Byte dump specific **************** */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "0F 0E 0D 0C 0B 0A 09 08 07 06 05 04 03 02 01 00"};
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "-----------------------------------------------"};
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur static char cheader1[] = {" 0123456789ABCDEF"};
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur static char cheader2[] = {" ----------------"};
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* Number of bytes per line in a dump. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Retrieve several bytes over several reads, and print a formatted byte-dump
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * fd is the nexus by which device is accessed.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * prg provided has bus, dev, func, bank, initial offset already specified,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * as well as size and endian attributes.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * No checking is made that this is a read operation, although only read
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * operations are allowed.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurbytedump_get(int fd, int cmd, pcitool_reg_t *prg_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur typedef union {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint16_t shorts[DUMP_BUF_SIZE / sizeof (uint16_t)];
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint32_t dwords[DUMP_BUF_SIZE / sizeof (uint32_t)];
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint64_t longs[DUMP_BUF_SIZE / sizeof (uint64_t)];
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Local copy of pcitool_reg_t, since offset and phys_addrs are
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Loop parameters. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint32_t dump_end = prg_p->offset + input_args_p->bytedump_amt;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* How many stores to the buffer before it is full. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Address prints at the beginning of each line. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Skip this num bytes at the beginning of the first dump. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Skip this num bytes at the end of the last dump. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* skip_begin and skip_end are needed twice. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Number of lines between headers */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur boolean_t do_chardump = input_args_p->flags & CHARDUMP_FLAG;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur boolean_t continue_on_errs = input_args_p->flags & ERRCONT_FLAG;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint16_t error_mask = 0; /* 1 bit/byte in buf. Err when set */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur bzero(buffer.bytes, sizeof (uint8_t) * DUMP_BUF_SIZE);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Flip the bytes to proper order if reading on a big endian machine.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Do this by reading big as little and vs.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur#if (NATIVE_ENDIAN == PCITOOL_ACC_ATTR_ENDN_BIG)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (PCITOOL_ACC_IS_BIG_ENDIAN(local_prg.acc_attr) ?
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (local_prg.acc_attr & ~PCITOOL_ACC_ATTR_ENDN_BIG) :
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (local_prg.acc_attr | PCITOOL_ACC_ATTR_ENDN_BIG));
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Get offset into buffer for first store. Assumes the buffer size is
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * a multiple of the read size. "next" is the next buffer index to do
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur skip_begin = local_prg.offset % DUMP_BUF_SIZE;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* For reading from the next location. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Access the device. Abort on error. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (((rval = ioctl(fd, cmd, &local_prg)) != SUCCESS) &&
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Ioctl failed:\n errno: %s\n status: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Initialize print_addr first time through, in case printing
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * is starting in the middle of the buffer. Also reinitialize
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * X86 config space doesn't return phys addr.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Use offset instead in this case.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (local_prg.phys_addr == 0) { /* No phys addr ret */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Read error occurred.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Shift the right number of error bits ((1 << read_size) - 1)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * into the right place (next * read_size)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (rval != SUCCESS) { /* Read error occurred */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur } else { /* Save data to the buffer. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur buffer.shorts[next] = (uint16_t)local_prg.data;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur buffer.dwords[next] = (uint32_t)local_prg.data;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur buffer.longs[next] = (uint64_t)local_prg.data;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Increment index for next store, and wrap. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Zero out the remainder of the buffer if done. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Dump the buffer if full or if done. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("\n0x%16.16" PRIx64 ":", print_addr);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur } else if (skip_begin > i) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur for (i = 0; i < DUMP_BUF_SIZE; i++) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((++lines_since_header == LINES_BTWN_HEADER) &&
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* ************** Device and nexus access commands ************** */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Helper function to set access attributes. Assumes size is valid.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurdo_single_access(int fd, int cmd, pcitool_reg_t *prg_p,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Do the access. Return on error. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((rval = ioctl(fd, cmd, prg_p)) != SUCCESS) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "%s ioctl failed:\n errno: %s\n status: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Print on all verbose requests. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Return offset on platforms which return phys_addr == 0
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * for config space.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("Addr:0x%" PRIx64 ", %d-byte %s endian "
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (input_args_p->big_endian ? "big" : "little"), prg_p->data);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Non-verbose, read requests. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur } else if (!(is_write)) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf("0x%" PRIx64 "\n", prg_p->data);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * fd is the file descriptor of the nexus to access, either to get its
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * registers or to access a device through that nexus.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * input args are commandline arguments specified by the user.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurdo_device_or_nexus(int fd, pcitool_uiargs_t *input_args_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur pcitool_reg_t prg; /* Request details given to the driver. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint32_t write_cmd = 0; /* Command given to the driver. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur uint32_t read_cmd = 0; /* Command given to the driver. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Finish initializing access details for driver. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * For nexus, barnum is the exact bank number, unless it is 0xFF, which
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * indicates that it is inactive and a base_address should be read from
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * the input_args instead.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * For devices, barnum is the offset to the desired BAR, or 0 for
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * config space.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if ((input_args_p->flags & (BASE_SPEC_FLAG | NEXUS_FLAG)) ==
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Do a bytedump if desired, or else do single ioctl access. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "\nDoing %d-byte %s endian reads:",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur rval = bytedump_get(fd, read_cmd, &prg, input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Single write and/or read. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur } while ((IS_LOOP(input_args_p->flags)) && (rval == SUCCESS) &&
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* *************** Interrupt routing ************** */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Display interrupt information.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * iget is filled in with the info to display
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases if (iget_p->flags & PCITOOL_INTR_FLAG_GET_MSI)
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases iget_p->dev[i].driver_name, iget_p->dev[i].dev_inst,
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases iget_p->dev[i].driver_name, iget_p->dev[i].dev_inst,
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Interrupt command support.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * fd is the file descriptor of the nexus being probed.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * input_args are commandline options entered by the user.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurget_single_interrupt(int fd, pcitool_intr_get_t **iget_pp,
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan * Check if interrupts are active on this ino/msi. Get as much
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan * device info as there is room for at the moment. If there
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * is not enough room for all devices, will call again with a
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * larger buffer.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (ioctl(fd, PCITOOL_DEVICE_GET_INTR, iget_p) != 0) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Let EIO errors silently slip through, as
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * some inos may not be viewable by design.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * We don't want to stop or print an error for these.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) fprintf(stderr, "Pcitool status: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Nothing to report for this interrupt. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Need more room to return additional device info. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (iget_p->num_devs_ret < iget_p->num_devs) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur realloc(iget_p, PCITOOL_IGET_SIZE(iget_p->num_devs));
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (ioctl(fd, PCITOOL_DEVICE_GET_INTR, iget_p) != 0) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "Pcitool status: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurget_interrupts(int fd, pcitool_uiargs_t *input_args_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Start with a struct with space for info of INIT_NUM_DEVS devs
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * to be returned.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur pcitool_intr_get_t *iget_p = malloc(PCITOOL_IGET_SIZE(INIT_NUM_DEVS));
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan /* Explicit MSI requested. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur rval = get_single_interrupt(fd, &iget_p, input_args_p);
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan /* Return all MSIs. */
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan if (ioctl(fd, PCITOOL_SYSTEM_INTR_INFO, &intr_info) != 0) {
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan "intr info ioctl failed: %s\n",
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan * Search through all interrupts.
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan * Display info on enabled ones.
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan /* Explicit INO requested. */
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan rval = get_single_interrupt(fd, &iget_p, input_args_p);
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan /* Return all INOs. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (ioctl(fd, PCITOOL_SYSTEM_INTR_INFO, &intr_info) != 0) {
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan "intr info ioctl failed: %s\n",
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases * Search through all interrupts.
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases * Display info on enabled ones.
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases if (intr_info.ctlr_type == PCITOOL_CTLR_TYPE_APIX) {
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases ((cpu_id < intr_info.num_cpu) && (rval == SUCCESS));
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases (ino < intr_info.num_intr) && (rval == SUCCESS);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurget_interrupt_ctlr(int fd, pcitool_uiargs_t *input_args_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (ioctl(fd, PCITOOL_SYSTEM_INTR_INFO, &intr_info) != 0) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) perror("Ioctl to get intr ctlr info failed");
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (intr_info.ctlr_type == PCITOOL_CTLR_TYPE_PCPLUSMP)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur "local APIC version: 0x%x\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur PSMAT_LOCAL_APIC_VER(intr_info.ctlr_version));
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur#endif /* __x86 */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) printf(", version: %2.2x.%2.2x.%2.2x.%2.2x\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * fd is the file descriptor of the nexus being changed.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * input_args are commandline options entered by the user.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurset_interrupts(int fd, pcitool_uiargs_t *input_args_p)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Load interrupt number and cpu from commandline. */
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan iset.flags |= (input_args_p->flags & SETGRP_FLAG) ?
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Do the deed. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (ioctl(fd, PCITOOL_DEVICE_SET_INTR, &iset) != 0) {
09b1eac246a4e627fcbd1ce5bf8005746cbe45eaEvan Yan "Ioctl to set %s 0x%x failed: %s\n",
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur (void) fprintf(stderr, "pcitool status: %s\n",
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases if (iset.flags == PCITOOL_INTR_FLAG_SET_MSI)
7ff178cd8db129d385d3177eb20744d3b6efc59bJimmy Vetayases if (iset.flags == PCITOOL_INTR_FLAG_SET_MSI)
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaurdo_interrupts(int fd, pcitool_uiargs_t *input_args_p)
3004e88e8f37eb9b239425b7120cc7d1e47bcb5dlipeng sang - Sun Microsystems - Beijing China int gic_rval = SUCCESS;
3004e88e8f37eb9b239425b7120cc7d1e47bcb5dlipeng sang - Sun Microsystems - Beijing China int gi_rval = SUCCESS;
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur gic_rval = get_interrupt_ctlr(fd, input_args_p);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur return ((gi_rval != SUCCESS) ? gi_rval : gic_rval);
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur/* *********** Where it all begins... ************* */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur pcitool_uiargs_t input_args; /* Commandline args. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur int rval = SUCCESS; /* Return status value. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Get commandline args and options from user. */
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (get_commandline_args(argc, argv, &input_args) != SUCCESS) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Probe mode.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur * Nexus is provided as argv[1] unless PROBEALL mode.
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur ((input_args.flags & PROBEALL_FLAG) ? NULL : argv[1]));
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur } else if ((fd = open_node(argv[1], &input_args)) >= 0) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur if (input_args.flags & (NEXUS_FLAG | LEAF_FLAG)) {
d5ace9454616652a717c9831d949dffa319381f9Erwin T Tsaur /* Should never see this. */