diff options
Diffstat (limited to 'ANDROID_3.4.5/tools/firewire')
| -rw-r--r-- | ANDROID_3.4.5/tools/firewire/Makefile | 19 | ||||
| -rw-r--r-- | ANDROID_3.4.5/tools/firewire/decode-fcp.c | 213 | ||||
| -rw-r--r-- | ANDROID_3.4.5/tools/firewire/list.h | 62 | ||||
| -rw-r--r-- | ANDROID_3.4.5/tools/firewire/nosy-dump.c | 1031 | ||||
| -rw-r--r-- | ANDROID_3.4.5/tools/firewire/nosy-dump.h | 173 |
5 files changed, 1498 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/tools/firewire/Makefile b/ANDROID_3.4.5/tools/firewire/Makefile new file mode 100644 index 00000000..81767ada --- /dev/null +++ b/ANDROID_3.4.5/tools/firewire/Makefile @@ -0,0 +1,19 @@ +prefix = /usr +nosy-dump-version = 0.4 + +CC = gcc + +all : nosy-dump + +nosy-dump : CFLAGS = -Wall -O2 -g +nosy-dump : CPPFLAGS = -DVERSION=\"$(nosy-dump-version)\" -I../../drivers/firewire +nosy-dump : LDFLAGS = -g +nosy-dump : LDLIBS = -lpopt + +nosy-dump : nosy-dump.o decode-fcp.o + +clean : + rm -rf *.o nosy-dump + +install : + install nosy-dump $(prefix)/bin/nosy-dump diff --git a/ANDROID_3.4.5/tools/firewire/decode-fcp.c b/ANDROID_3.4.5/tools/firewire/decode-fcp.c new file mode 100644 index 00000000..e41223b6 --- /dev/null +++ b/ANDROID_3.4.5/tools/firewire/decode-fcp.c @@ -0,0 +1,213 @@ +#include <linux/firewire-constants.h> +#include <stdio.h> +#include <stdlib.h> + +#include "list.h" +#include "nosy-dump.h" + +#define CSR_FCP_COMMAND 0xfffff0000b00ull +#define CSR_FCP_RESPONSE 0xfffff0000d00ull + +static const char * const ctype_names[] = { + [0x0] = "control", [0x8] = "not implemented", + [0x1] = "status", [0x9] = "accepted", + [0x2] = "specific inquiry", [0xa] = "rejected", + [0x3] = "notify", [0xb] = "in transition", + [0x4] = "general inquiry", [0xc] = "stable", + [0x5] = "(reserved 0x05)", [0xd] = "changed", + [0x6] = "(reserved 0x06)", [0xe] = "(reserved 0x0e)", + [0x7] = "(reserved 0x07)", [0xf] = "interim", +}; + +static const char * const subunit_type_names[] = { + [0x00] = "monitor", [0x10] = "(reserved 0x10)", + [0x01] = "audio", [0x11] = "(reserved 0x11)", + [0x02] = "printer", [0x12] = "(reserved 0x12)", + [0x03] = "disc", [0x13] = "(reserved 0x13)", + [0x04] = "tape recorder/player",[0x14] = "(reserved 0x14)", + [0x05] = "tuner", [0x15] = "(reserved 0x15)", + [0x06] = "ca", [0x16] = "(reserved 0x16)", + [0x07] = "camera", [0x17] = "(reserved 0x17)", + [0x08] = "(reserved 0x08)", [0x18] = "(reserved 0x18)", + [0x09] = "panel", [0x19] = "(reserved 0x19)", + [0x0a] = "bulletin board", [0x1a] = "(reserved 0x1a)", + [0x0b] = "camera storage", [0x1b] = "(reserved 0x1b)", + [0x0c] = "(reserved 0x0c)", [0x1c] = "vendor unique", + [0x0d] = "(reserved 0x0d)", [0x1d] = "all subunit types", + [0x0e] = "(reserved 0x0e)", [0x1e] = "subunit_type extended to next byte", + [0x0f] = "(reserved 0x0f)", [0x1f] = "unit", +}; + +struct avc_enum { + int value; + const char *name; +}; + +struct avc_field { + const char *name; /* Short name for field. */ + int offset; /* Location of field, specified in bits; */ + /* negative means from end of packet. */ + int width; /* Width of field, 0 means use data_length. */ + struct avc_enum *names; +}; + +struct avc_opcode_info { + const char *name; + struct avc_field fields[8]; +}; + +struct avc_enum power_field_names[] = { + { 0x70, "on" }, + { 0x60, "off" }, + { } +}; + +static const struct avc_opcode_info opcode_info[256] = { + + /* TA Document 1999026 */ + /* AV/C Digital Interface Command Set General Specification 4.0 */ + [0xb2] = { "power", { + { "state", 0, 8, power_field_names } + } + }, + [0x30] = { "unit info", { + { "foo", 0, 8 }, + { "unit_type", 8, 5 }, + { "unit", 13, 3 }, + { "company id", 16, 24 }, + } + }, + [0x31] = { "subunit info" }, + [0x01] = { "reserve" }, + [0xb0] = { "version" }, + [0x00] = { "vendor dependent" }, + [0x02] = { "plug info" }, + [0x12] = { "channel usage" }, + [0x24] = { "connect" }, + [0x20] = { "connect av" }, + [0x22] = { "connections" }, + [0x11] = { "digital input" }, + [0x10] = { "digital output" }, + [0x25] = { "disconnect" }, + [0x21] = { "disconnect av" }, + [0x19] = { "input plug signal format" }, + [0x18] = { "output plug signal format" }, + [0x1f] = { "general bus setup" }, + + /* TA Document 1999025 */ + /* AV/C Descriptor Mechanism Specification Version 1.0 */ + [0x0c] = { "create descriptor" }, + [0x08] = { "open descriptor" }, + [0x09] = { "read descriptor" }, + [0x0a] = { "write descriptor" }, + [0x05] = { "open info block" }, + [0x06] = { "read info block" }, + [0x07] = { "write info block" }, + [0x0b] = { "search descriptor" }, + [0x0d] = { "object number select" }, + + /* TA Document 1999015 */ + /* AV/C Command Set for Rate Control of Isochronous Data Flow 1.0 */ + [0xb3] = { "rate", { + { "subfunction", 0, 8 }, + { "result", 8, 8 }, + { "plug_type", 16, 8 }, + { "plug_id", 16, 8 }, + } + }, + + /* TA Document 1999008 */ + /* AV/C Audio Subunit Specification 1.0 */ + [0xb8] = { "function block" }, + + /* TA Document 2001001 */ + /* AV/C Panel Subunit Specification 1.1 */ + [0x7d] = { "gui update" }, + [0x7e] = { "push gui data" }, + [0x7f] = { "user action" }, + [0x7c] = { "pass through" }, + + /* */ + [0x26] = { "asynchronous connection" }, +}; + +struct avc_frame { + uint32_t operand0:8; + uint32_t opcode:8; + uint32_t subunit_id:3; + uint32_t subunit_type:5; + uint32_t ctype:4; + uint32_t cts:4; +}; + +static void +decode_avc(struct link_transaction *t) +{ + struct avc_frame *frame = + (struct avc_frame *) t->request->packet.write_block.data; + const struct avc_opcode_info *info; + const char *name; + char buffer[32]; + int i; + + info = &opcode_info[frame->opcode]; + if (info->name == NULL) { + snprintf(buffer, sizeof(buffer), + "(unknown opcode 0x%02x)", frame->opcode); + name = buffer; + } else { + name = info->name; + } + + printf("av/c %s, subunit_type=%s, subunit_id=%d, opcode=%s", + ctype_names[frame->ctype], subunit_type_names[frame->subunit_type], + frame->subunit_id, name); + + for (i = 0; info->fields[i].name != NULL; i++) + printf(", %s", info->fields[i].name); + + printf("\n"); +} + +int +decode_fcp(struct link_transaction *t) +{ + struct avc_frame *frame = + (struct avc_frame *) t->request->packet.write_block.data; + unsigned long long offset = + ((unsigned long long) t->request->packet.common.offset_high << 32) | + t->request->packet.common.offset_low; + + if (t->request->packet.common.tcode != TCODE_WRITE_BLOCK_REQUEST) + return 0; + + if (offset == CSR_FCP_COMMAND || offset == CSR_FCP_RESPONSE) { + switch (frame->cts) { + case 0x00: + decode_avc(t); + break; + case 0x01: + printf("cal fcp frame (cts=0x01)\n"); + break; + case 0x02: + printf("ehs fcp frame (cts=0x02)\n"); + break; + case 0x03: + printf("havi fcp frame (cts=0x03)\n"); + break; + case 0x0e: + printf("vendor specific fcp frame (cts=0x0e)\n"); + break; + case 0x0f: + printf("extended cts\n"); + break; + default: + printf("reserved fcp frame (ctx=0x%02x)\n", frame->cts); + break; + } + return 1; + } + + return 0; +} + diff --git a/ANDROID_3.4.5/tools/firewire/list.h b/ANDROID_3.4.5/tools/firewire/list.h new file mode 100644 index 00000000..41f4bdad --- /dev/null +++ b/ANDROID_3.4.5/tools/firewire/list.h @@ -0,0 +1,62 @@ +struct list { + struct list *next, *prev; +}; + +static inline void +list_init(struct list *list) +{ + list->next = list; + list->prev = list; +} + +static inline int +list_empty(struct list *list) +{ + return list->next == list; +} + +static inline void +list_insert(struct list *link, struct list *new_link) +{ + new_link->prev = link->prev; + new_link->next = link; + new_link->prev->next = new_link; + new_link->next->prev = new_link; +} + +static inline void +list_append(struct list *list, struct list *new_link) +{ + list_insert((struct list *)list, new_link); +} + +static inline void +list_prepend(struct list *list, struct list *new_link) +{ + list_insert(list->next, new_link); +} + +static inline void +list_remove(struct list *link) +{ + link->prev->next = link->next; + link->next->prev = link->prev; +} + +#define list_entry(link, type, member) \ + ((type *)((char *)(link)-(unsigned long)(&((type *)0)->member))) + +#define list_head(list, type, member) \ + list_entry((list)->next, type, member) + +#define list_tail(list, type, member) \ + list_entry((list)->prev, type, member) + +#define list_next(elm, member) \ + list_entry((elm)->member.next, typeof(*elm), member) + +#define list_for_each_entry(pos, list, member) \ + for (pos = list_head(list, typeof(*pos), member); \ + &pos->member != (list); \ + pos = list_next(pos, member)) + diff --git a/ANDROID_3.4.5/tools/firewire/nosy-dump.c b/ANDROID_3.4.5/tools/firewire/nosy-dump.c new file mode 100644 index 00000000..f93b7763 --- /dev/null +++ b/ANDROID_3.4.5/tools/firewire/nosy-dump.c @@ -0,0 +1,1031 @@ +/* + * nosy-dump - Interface to snoop mode driver for TI PCILynx 1394 controllers + * Copyright (C) 2002-2006 Kristian Høgsberg + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <byteswap.h> +#include <endian.h> +#include <fcntl.h> +#include <linux/firewire-constants.h> +#include <poll.h> +#include <popt.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sys/time.h> +#include <termios.h> +#include <unistd.h> + +#include "list.h" +#include "nosy-dump.h" +#include "nosy-user.h" + +enum { + PACKET_FIELD_DETAIL = 0x01, + PACKET_FIELD_DATA_LENGTH = 0x02, + /* Marks the fields we print in transaction view. */ + PACKET_FIELD_TRANSACTION = 0x04, +}; + +static void print_packet(uint32_t *data, size_t length); +static void decode_link_packet(struct link_packet *packet, size_t length, + int include_flags, int exclude_flags); +static int run = 1; +sig_t sys_sigint_handler; + +static char *option_nosy_device = "/dev/nosy"; +static char *option_view = "packet"; +static char *option_output; +static char *option_input; +static int option_hex; +static int option_iso; +static int option_cycle_start; +static int option_version; +static int option_verbose; + +enum { + VIEW_TRANSACTION, + VIEW_PACKET, + VIEW_STATS, +}; + +static const struct poptOption options[] = { + { + .longName = "device", + .shortName = 'd', + .argInfo = POPT_ARG_STRING, + .arg = &option_nosy_device, + .descrip = "Path to nosy device.", + .argDescrip = "DEVICE" + }, + { + .longName = "view", + .argInfo = POPT_ARG_STRING, + .arg = &option_view, + .descrip = "Specify view of bus traffic: packet, transaction or stats.", + .argDescrip = "VIEW" + }, + { + .longName = "hex", + .shortName = 'x', + .argInfo = POPT_ARG_NONE, + .arg = &option_hex, + .descrip = "Print each packet in hex.", + }, + { + .longName = "iso", + .argInfo = POPT_ARG_NONE, + .arg = &option_iso, + .descrip = "Print iso packets.", + }, + { + .longName = "cycle-start", + .argInfo = POPT_ARG_NONE, + .arg = &option_cycle_start, + .descrip = "Print cycle start packets.", + }, + { + .longName = "verbose", + .shortName = 'v', + .argInfo = POPT_ARG_NONE, + .arg = &option_verbose, + .descrip = "Verbose packet view.", + }, + { + .longName = "output", + .shortName = 'o', + .argInfo = POPT_ARG_STRING, + .arg = &option_output, + .descrip = "Log to output file.", + .argDescrip = "FILENAME" + }, + { + .longName = "input", + .shortName = 'i', + .argInfo = POPT_ARG_STRING, + .arg = &option_input, + .descrip = "Decode log from file.", + .argDescrip = "FILENAME" + }, + { + .longName = "version", + .argInfo = POPT_ARG_NONE, + .arg = &option_version, + .descrip = "Specify print version info.", + }, + POPT_AUTOHELP + POPT_TABLEEND +}; + +/* Allow all ^C except the first to interrupt the program in the usual way. */ +static void +sigint_handler(int signal_num) +{ + if (run == 1) { + run = 0; + signal(SIGINT, SIG_DFL); + } +} + +static struct subaction * +subaction_create(uint32_t *data, size_t length) +{ + struct subaction *sa; + + /* we put the ack in the subaction struct for easy access. */ + sa = malloc(sizeof *sa - sizeof sa->packet + length); + sa->ack = data[length / 4 - 1]; + sa->length = length; + memcpy(&sa->packet, data, length); + + return sa; +} + +static void +subaction_destroy(struct subaction *sa) +{ + free(sa); +} + +static struct list pending_transaction_list = { + &pending_transaction_list, &pending_transaction_list +}; + +static struct link_transaction * +link_transaction_lookup(int request_node, int response_node, int tlabel) +{ + struct link_transaction *t; + + list_for_each_entry(t, &pending_transaction_list, link) { + if (t->request_node == request_node && + t->response_node == response_node && + t->tlabel == tlabel) + return t; + } + + t = malloc(sizeof *t); + t->request_node = request_node; + t->response_node = response_node; + t->tlabel = tlabel; + list_init(&t->request_list); + list_init(&t->response_list); + + list_append(&pending_transaction_list, &t->link); + + return t; +} + +static void +link_transaction_destroy(struct link_transaction *t) +{ + struct subaction *sa; + + while (!list_empty(&t->request_list)) { + sa = list_head(&t->request_list, struct subaction, link); + list_remove(&sa->link); + subaction_destroy(sa); + } + while (!list_empty(&t->response_list)) { + sa = list_head(&t->response_list, struct subaction, link); + list_remove(&sa->link); + subaction_destroy(sa); + } + free(t); +} + +struct protocol_decoder { + const char *name; + int (*decode)(struct link_transaction *t); +}; + +static const struct protocol_decoder protocol_decoders[] = { + { "FCP", decode_fcp } +}; + +static void +handle_transaction(struct link_transaction *t) +{ + struct subaction *sa; + int i; + + if (!t->request) { + printf("BUG in handle_transaction\n"); + return; + } + + for (i = 0; i < array_length(protocol_decoders); i++) + if (protocol_decoders[i].decode(t)) + break; + + /* HACK: decode only fcp right now. */ + return; + + decode_link_packet(&t->request->packet, t->request->length, + PACKET_FIELD_TRANSACTION, 0); + if (t->response) + decode_link_packet(&t->response->packet, t->request->length, + PACKET_FIELD_TRANSACTION, 0); + else + printf("[no response]"); + + if (option_verbose) { + list_for_each_entry(sa, &t->request_list, link) + print_packet((uint32_t *) &sa->packet, sa->length); + list_for_each_entry(sa, &t->response_list, link) + print_packet((uint32_t *) &sa->packet, sa->length); + } + printf("\r\n"); + + link_transaction_destroy(t); +} + +static void +clear_pending_transaction_list(void) +{ + struct link_transaction *t; + + while (!list_empty(&pending_transaction_list)) { + t = list_head(&pending_transaction_list, + struct link_transaction, link); + list_remove(&t->link); + link_transaction_destroy(t); + /* print unfinished transactions */ + } +} + +static const char * const tcode_names[] = { + [0x0] = "write_quadlet_request", [0x6] = "read_quadlet_response", + [0x1] = "write_block_request", [0x7] = "read_block_response", + [0x2] = "write_response", [0x8] = "cycle_start", + [0x3] = "reserved", [0x9] = "lock_request", + [0x4] = "read_quadlet_request", [0xa] = "iso_data", + [0x5] = "read_block_request", [0xb] = "lock_response", +}; + +static const char * const ack_names[] = { + [0x0] = "no ack", [0x8] = "reserved (0x08)", + [0x1] = "ack_complete", [0x9] = "reserved (0x09)", + [0x2] = "ack_pending", [0xa] = "reserved (0x0a)", + [0x3] = "reserved (0x03)", [0xb] = "reserved (0x0b)", + [0x4] = "ack_busy_x", [0xc] = "reserved (0x0c)", + [0x5] = "ack_busy_a", [0xd] = "ack_data_error", + [0x6] = "ack_busy_b", [0xe] = "ack_type_error", + [0x7] = "reserved (0x07)", [0xf] = "reserved (0x0f)", +}; + +static const char * const rcode_names[] = { + [0x0] = "complete", [0x4] = "conflict_error", + [0x1] = "reserved (0x01)", [0x5] = "data_error", + [0x2] = "reserved (0x02)", [0x6] = "type_error", + [0x3] = "reserved (0x03)", [0x7] = "address_error", +}; + +static const char * const retry_names[] = { + [0x0] = "retry_1", + [0x1] = "retry_x", + [0x2] = "retry_a", + [0x3] = "retry_b", +}; + +enum { + PACKET_RESERVED, + PACKET_REQUEST, + PACKET_RESPONSE, + PACKET_OTHER, +}; + +struct packet_info { + const char *name; + int type; + int response_tcode; + const struct packet_field *fields; + int field_count; +}; + +struct packet_field { + const char *name; /* Short name for field. */ + int offset; /* Location of field, specified in bits; */ + /* negative means from end of packet. */ + int width; /* Width of field, 0 means use data_length. */ + int flags; /* Show options. */ + const char * const *value_names; +}; + +#define COMMON_REQUEST_FIELDS \ + { "dest", 0, 16, PACKET_FIELD_TRANSACTION }, \ + { "tl", 16, 6 }, \ + { "rt", 22, 2, PACKET_FIELD_DETAIL, retry_names }, \ + { "tcode", 24, 4, PACKET_FIELD_TRANSACTION, tcode_names }, \ + { "pri", 28, 4, PACKET_FIELD_DETAIL }, \ + { "src", 32, 16, PACKET_FIELD_TRANSACTION }, \ + { "offs", 48, 48, PACKET_FIELD_TRANSACTION } + +#define COMMON_RESPONSE_FIELDS \ + { "dest", 0, 16 }, \ + { "tl", 16, 6 }, \ + { "rt", 22, 2, PACKET_FIELD_DETAIL, retry_names }, \ + { "tcode", 24, 4, 0, tcode_names }, \ + { "pri", 28, 4, PACKET_FIELD_DETAIL }, \ + { "src", 32, 16 }, \ + { "rcode", 48, 4, PACKET_FIELD_TRANSACTION, rcode_names } + +static const struct packet_field read_quadlet_request_fields[] = { + COMMON_REQUEST_FIELDS, + { "crc", 96, 32, PACKET_FIELD_DETAIL }, + { "ack", 156, 4, 0, ack_names }, +}; + +static const struct packet_field read_quadlet_response_fields[] = { + COMMON_RESPONSE_FIELDS, + { "data", 96, 32, PACKET_FIELD_TRANSACTION }, + { "crc", 128, 32, PACKET_FIELD_DETAIL }, + { "ack", 188, 4, 0, ack_names }, +}; + +static const struct packet_field read_block_request_fields[] = { + COMMON_REQUEST_FIELDS, + { "data_length", 96, 16, PACKET_FIELD_TRANSACTION }, + { "extended_tcode", 112, 16 }, + { "crc", 128, 32, PACKET_FIELD_DETAIL }, + { "ack", 188, 4, 0, ack_names }, +}; + +static const struct packet_field block_response_fields[] = { + COMMON_RESPONSE_FIELDS, + { "data_length", 96, 16, PACKET_FIELD_DATA_LENGTH }, + { "extended_tcode", 112, 16 }, + { "crc", 128, 32, PACKET_FIELD_DETAIL }, + { "data", 160, 0, PACKET_FIELD_TRANSACTION }, + { "crc", -64, 32, PACKET_FIELD_DETAIL }, + { "ack", -4, 4, 0, ack_names }, +}; + +static const struct packet_field write_quadlet_request_fields[] = { + COMMON_REQUEST_FIELDS, + { "data", 96, 32, PACKET_FIELD_TRANSACTION }, + { "ack", -4, 4, 0, ack_names }, +}; + +static const struct packet_field block_request_fields[] = { + COMMON_REQUEST_FIELDS, + { "data_length", 96, 16, PACKET_FIELD_DATA_LENGTH | PACKET_FIELD_TRANSACTION }, + { "extended_tcode", 112, 16, PACKET_FIELD_TRANSACTION }, + { "crc", 128, 32, PACKET_FIELD_DETAIL }, + { "data", 160, 0, PACKET_FIELD_TRANSACTION }, + { "crc", -64, 32, PACKET_FIELD_DETAIL }, + { "ack", -4, 4, 0, ack_names }, +}; + +static const struct packet_field write_response_fields[] = { + COMMON_RESPONSE_FIELDS, + { "reserved", 64, 32, PACKET_FIELD_DETAIL }, + { "ack", -4, 4, 0, ack_names }, +}; + +static const struct packet_field iso_data_fields[] = { + { "data_length", 0, 16, PACKET_FIELD_DATA_LENGTH }, + { "tag", 16, 2 }, + { "channel", 18, 6 }, + { "tcode", 24, 4, 0, tcode_names }, + { "sy", 28, 4 }, + { "crc", 32, 32, PACKET_FIELD_DETAIL }, + { "data", 64, 0 }, + { "crc", -64, 32, PACKET_FIELD_DETAIL }, + { "ack", -4, 4, 0, ack_names }, +}; + +static const struct packet_info packet_info[] = { + { + .name = "write_quadlet_request", + .type = PACKET_REQUEST, + .response_tcode = TCODE_WRITE_RESPONSE, + .fields = write_quadlet_request_fields, + .field_count = array_length(write_quadlet_request_fields) + }, + { + .name = "write_block_request", + .type = PACKET_REQUEST, + .response_tcode = TCODE_WRITE_RESPONSE, + .fields = block_request_fields, + .field_count = array_length(block_request_fields) + }, + { + .name = "write_response", + .type = PACKET_RESPONSE, + .fields = write_response_fields, + .field_count = array_length(write_response_fields) + }, + { + .name = "reserved", + .type = PACKET_RESERVED, + }, + { + .name = "read_quadlet_request", + .type = PACKET_REQUEST, + .response_tcode = TCODE_READ_QUADLET_RESPONSE, + .fields = read_quadlet_request_fields, + .field_count = array_length(read_quadlet_request_fields) + }, + { + .name = "read_block_request", + .type = PACKET_REQUEST, + .response_tcode = TCODE_READ_BLOCK_RESPONSE, + .fields = read_block_request_fields, + .field_count = array_length(read_block_request_fields) + }, + { + .name = "read_quadlet_response", + .type = PACKET_RESPONSE, + .fields = read_quadlet_response_fields, + .field_count = array_length(read_quadlet_response_fields) + }, + { + .name = "read_block_response", + .type = PACKET_RESPONSE, + .fields = block_response_fields, + .field_count = array_length(block_response_fields) + }, + { + .name = "cycle_start", + .type = PACKET_OTHER, + .fields = write_quadlet_request_fields, + .field_count = array_length(write_quadlet_request_fields) + }, + { + .name = "lock_request", + .type = PACKET_REQUEST, + .fields = block_request_fields, + .field_count = array_length(block_request_fields) + }, + { + .name = "iso_data", + .type = PACKET_OTHER, + .fields = iso_data_fields, + .field_count = array_length(iso_data_fields) + }, + { + .name = "lock_response", + .type = PACKET_RESPONSE, + .fields = block_response_fields, + .field_count = array_length(block_response_fields) + }, +}; + +static int +handle_request_packet(uint32_t *data, size_t length) +{ + struct link_packet *p = (struct link_packet *) data; + struct subaction *sa, *prev; + struct link_transaction *t; + + t = link_transaction_lookup(p->common.source, p->common.destination, + p->common.tlabel); + sa = subaction_create(data, length); + t->request = sa; + + if (!list_empty(&t->request_list)) { + prev = list_tail(&t->request_list, + struct subaction, link); + + if (!ACK_BUSY(prev->ack)) { + /* + * error, we should only see ack_busy_* before the + * ack_pending/ack_complete -- this is an ack_pending + * instead (ack_complete would have finished the + * transaction). + */ + } + + if (prev->packet.common.tcode != sa->packet.common.tcode || + prev->packet.common.tlabel != sa->packet.common.tlabel) { + /* memcmp() ? */ + /* error, these should match for retries. */ + } + } + + list_append(&t->request_list, &sa->link); + + switch (sa->ack) { + case ACK_COMPLETE: + if (p->common.tcode != TCODE_WRITE_QUADLET_REQUEST && + p->common.tcode != TCODE_WRITE_BLOCK_REQUEST) + /* error, unified transactions only allowed for write */; + list_remove(&t->link); + handle_transaction(t); + break; + + case ACK_NO_ACK: + case ACK_DATA_ERROR: + case ACK_TYPE_ERROR: + list_remove(&t->link); + handle_transaction(t); + break; + + case ACK_PENDING: + /* request subaction phase over, wait for response. */ + break; + + case ACK_BUSY_X: + case ACK_BUSY_A: + case ACK_BUSY_B: + /* ok, wait for retry. */ + /* check that retry protocol is respected. */ + break; + } + + return 1; +} + +static int +handle_response_packet(uint32_t *data, size_t length) +{ + struct link_packet *p = (struct link_packet *) data; + struct subaction *sa, *prev; + struct link_transaction *t; + + t = link_transaction_lookup(p->common.destination, p->common.source, + p->common.tlabel); + if (list_empty(&t->request_list)) { + /* unsolicited response */ + } + + sa = subaction_create(data, length); + t->response = sa; + + if (!list_empty(&t->response_list)) { + prev = list_tail(&t->response_list, struct subaction, link); + + if (!ACK_BUSY(prev->ack)) { + /* + * error, we should only see ack_busy_* before the + * ack_pending/ack_complete + */ + } + + if (prev->packet.common.tcode != sa->packet.common.tcode || + prev->packet.common.tlabel != sa->packet.common.tlabel) { + /* use memcmp() instead? */ + /* error, these should match for retries. */ + } + } else { + prev = list_tail(&t->request_list, struct subaction, link); + if (prev->ack != ACK_PENDING) { + /* + * error, should not get response unless last request got + * ack_pending. + */ + } + + if (packet_info[prev->packet.common.tcode].response_tcode != + sa->packet.common.tcode) { + /* error, tcode mismatch */ + } + } + + list_append(&t->response_list, &sa->link); + + switch (sa->ack) { + case ACK_COMPLETE: + case ACK_NO_ACK: + case ACK_DATA_ERROR: + case ACK_TYPE_ERROR: + list_remove(&t->link); + handle_transaction(t); + /* transaction complete, remove t from pending list. */ + break; + + case ACK_PENDING: + /* error for responses. */ + break; + + case ACK_BUSY_X: + case ACK_BUSY_A: + case ACK_BUSY_B: + /* no problem, wait for next retry */ + break; + } + + return 1; +} + +static int +handle_packet(uint32_t *data, size_t length) +{ + if (length == 0) { + printf("bus reset\r\n"); + clear_pending_transaction_list(); + } else if (length > sizeof(struct phy_packet)) { + struct link_packet *p = (struct link_packet *) data; + + switch (packet_info[p->common.tcode].type) { + case PACKET_REQUEST: + return handle_request_packet(data, length); + + case PACKET_RESPONSE: + return handle_response_packet(data, length); + + case PACKET_OTHER: + case PACKET_RESERVED: + return 0; + } + } + + return 1; +} + +static unsigned int +get_bits(struct link_packet *packet, int offset, int width) +{ + uint32_t *data = (uint32_t *) packet; + uint32_t index, shift, mask; + + index = offset / 32 + 1; + shift = 32 - (offset & 31) - width; + mask = width == 32 ? ~0 : (1 << width) - 1; + + return (data[index] >> shift) & mask; +} + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define byte_index(i) ((i) ^ 3) +#elif __BYTE_ORDER == __BIG_ENDIAN +#define byte_index(i) (i) +#else +#error unsupported byte order. +#endif + +static void +dump_data(unsigned char *data, int length) +{ + int i, print_length; + + if (length > 128) + print_length = 128; + else + print_length = length; + + for (i = 0; i < print_length; i++) + printf("%s%02hhx", + (i % 4 == 0 && i != 0) ? " " : "", + data[byte_index(i)]); + + if (print_length < length) + printf(" (%d more bytes)", length - print_length); +} + +static void +decode_link_packet(struct link_packet *packet, size_t length, + int include_flags, int exclude_flags) +{ + const struct packet_info *pi; + int data_length = 0; + int i; + + pi = &packet_info[packet->common.tcode]; + + for (i = 0; i < pi->field_count; i++) { + const struct packet_field *f = &pi->fields[i]; + int offset; + + if (f->flags & exclude_flags) + continue; + if (include_flags && !(f->flags & include_flags)) + continue; + + if (f->offset < 0) + offset = length * 8 + f->offset - 32; + else + offset = f->offset; + + if (f->value_names != NULL) { + uint32_t bits; + + bits = get_bits(packet, offset, f->width); + printf("%s", f->value_names[bits]); + } else if (f->width == 0) { + printf("%s=[", f->name); + dump_data((unsigned char *) packet + (offset / 8 + 4), data_length); + printf("]"); + } else { + unsigned long long bits; + int high_width, low_width; + + if ((offset & ~31) != ((offset + f->width - 1) & ~31)) { + /* Bit field spans quadlet boundary. */ + high_width = ((offset + 31) & ~31) - offset; + low_width = f->width - high_width; + + bits = get_bits(packet, offset, high_width); + bits = (bits << low_width) | + get_bits(packet, offset + high_width, low_width); + } else { + bits = get_bits(packet, offset, f->width); + } + + printf("%s=0x%0*llx", f->name, (f->width + 3) / 4, bits); + + if (f->flags & PACKET_FIELD_DATA_LENGTH) + data_length = bits; + } + + if (i < pi->field_count - 1) + printf(", "); + } +} + +static void +print_packet(uint32_t *data, size_t length) +{ + int i; + + printf("%6u ", data[0]); + + if (length == 4) { + printf("bus reset"); + } else if (length < sizeof(struct phy_packet)) { + printf("short packet: "); + for (i = 1; i < length / 4; i++) + printf("%s%08x", i == 0 ? "[" : " ", data[i]); + printf("]"); + + } else if (length == sizeof(struct phy_packet) && data[1] == ~data[2]) { + struct phy_packet *pp = (struct phy_packet *) data; + + /* phy packet are 3 quadlets: the 1 quadlet payload, + * the bitwise inverse of the payload and the snoop + * mode ack */ + + switch (pp->common.identifier) { + case PHY_PACKET_CONFIGURATION: + if (!pp->phy_config.set_root && !pp->phy_config.set_gap_count) { + printf("ext phy config: phy_id=%02x", pp->phy_config.root_id); + } else { + printf("phy config:"); + if (pp->phy_config.set_root) + printf(" set_root_id=%02x", pp->phy_config.root_id); + if (pp->phy_config.set_gap_count) + printf(" set_gap_count=%d", pp->phy_config.gap_count); + } + break; + + case PHY_PACKET_LINK_ON: + printf("link-on packet, phy_id=%02x", pp->link_on.phy_id); + break; + + case PHY_PACKET_SELF_ID: + if (pp->self_id.extended) { + printf("extended self id: phy_id=%02x, seq=%d", + pp->ext_self_id.phy_id, pp->ext_self_id.sequence); + } else { + static const char * const speed_names[] = { + "S100", "S200", "S400", "BETA" + }; + printf("self id: phy_id=%02x, link %s, gap_count=%d, speed=%s%s%s", + pp->self_id.phy_id, + (pp->self_id.link_active ? "active" : "not active"), + pp->self_id.gap_count, + speed_names[pp->self_id.phy_speed], + (pp->self_id.contender ? ", irm contender" : ""), + (pp->self_id.initiated_reset ? ", initiator" : "")); + } + break; + default: + printf("unknown phy packet: "); + for (i = 1; i < length / 4; i++) + printf("%s%08x", i == 0 ? "[" : " ", data[i]); + printf("]"); + break; + } + } else { + struct link_packet *packet = (struct link_packet *) data; + + decode_link_packet(packet, length, 0, + option_verbose ? 0 : PACKET_FIELD_DETAIL); + } + + if (option_hex) { + printf(" ["); + dump_data((unsigned char *) data + 4, length - 4); + printf("]"); + } + + printf("\r\n"); +} + +#define HIDE_CURSOR "\033[?25l" +#define SHOW_CURSOR "\033[?25h" +#define CLEAR "\033[H\033[2J" + +static void +print_stats(uint32_t *data, size_t length) +{ + static int bus_reset_count, short_packet_count, phy_packet_count; + static int tcode_count[16]; + static struct timeval last_update; + struct timeval now; + int i; + + if (length == 0) + bus_reset_count++; + else if (length < sizeof(struct phy_packet)) + short_packet_count++; + else if (length == sizeof(struct phy_packet) && data[1] == ~data[2]) + phy_packet_count++; + else { + struct link_packet *packet = (struct link_packet *) data; + tcode_count[packet->common.tcode]++; + } + + gettimeofday(&now, NULL); + if (now.tv_sec <= last_update.tv_sec && + now.tv_usec < last_update.tv_usec + 500000) + return; + + last_update = now; + printf(CLEAR HIDE_CURSOR + " bus resets : %8d\n" + " short packets : %8d\n" + " phy packets : %8d\n", + bus_reset_count, short_packet_count, phy_packet_count); + + for (i = 0; i < array_length(packet_info); i++) + if (packet_info[i].type != PACKET_RESERVED) + printf(" %-24s: %8d\n", packet_info[i].name, tcode_count[i]); + printf(SHOW_CURSOR "\n"); +} + +static struct termios saved_attributes; + +static void +reset_input_mode(void) +{ + tcsetattr(STDIN_FILENO, TCSANOW, &saved_attributes); +} + +static void +set_input_mode(void) +{ + struct termios tattr; + + /* Make sure stdin is a terminal. */ + if (!isatty(STDIN_FILENO)) { + fprintf(stderr, "Not a terminal.\n"); + exit(EXIT_FAILURE); + } + + /* Save the terminal attributes so we can restore them later. */ + tcgetattr(STDIN_FILENO, &saved_attributes); + atexit(reset_input_mode); + + /* Set the funny terminal modes. */ + tcgetattr(STDIN_FILENO, &tattr); + tattr.c_lflag &= ~(ICANON|ECHO); /* Clear ICANON and ECHO. */ + tattr.c_cc[VMIN] = 1; + tattr.c_cc[VTIME] = 0; + tcsetattr(STDIN_FILENO, TCSAFLUSH, &tattr); +} + +int main(int argc, const char *argv[]) +{ + uint32_t buf[128 * 1024]; + uint32_t filter; + int length, retval, view; + int fd = -1; + FILE *output = NULL, *input = NULL; + poptContext con; + char c; + struct pollfd pollfds[2]; + + sys_sigint_handler = signal(SIGINT, sigint_handler); + + con = poptGetContext(NULL, argc, argv, options, 0); + retval = poptGetNextOpt(con); + if (retval < -1) { + poptPrintUsage(con, stdout, 0); + return -1; + } + + if (option_version) { + printf("dump tool for nosy sniffer, version %s\n", VERSION); + return 0; + } + + if (__BYTE_ORDER != __LITTLE_ENDIAN) + fprintf(stderr, "warning: nosy has only been tested on little " + "endian machines\n"); + + if (option_input != NULL) { + input = fopen(option_input, "r"); + if (input == NULL) { + fprintf(stderr, "Could not open %s, %m\n", option_input); + return -1; + } + } else { + fd = open(option_nosy_device, O_RDWR); + if (fd < 0) { + fprintf(stderr, "Could not open %s, %m\n", option_nosy_device); + return -1; + } + set_input_mode(); + } + + if (strcmp(option_view, "transaction") == 0) + view = VIEW_TRANSACTION; + else if (strcmp(option_view, "stats") == 0) + view = VIEW_STATS; + else + view = VIEW_PACKET; + + if (option_output) { + output = fopen(option_output, "w"); + if (output == NULL) { + fprintf(stderr, "Could not open %s, %m\n", option_output); + return -1; + } + } + + setvbuf(stdout, NULL, _IOLBF, BUFSIZ); + + filter = ~0; + if (!option_iso) + filter &= ~(1 << TCODE_STREAM_DATA); + if (!option_cycle_start) + filter &= ~(1 << TCODE_CYCLE_START); + if (view == VIEW_STATS) + filter = ~(1 << TCODE_CYCLE_START); + + ioctl(fd, NOSY_IOC_FILTER, filter); + + ioctl(fd, NOSY_IOC_START); + + pollfds[0].fd = fd; + pollfds[0].events = POLLIN; + pollfds[1].fd = STDIN_FILENO; + pollfds[1].events = POLLIN; + + while (run) { + if (input != NULL) { + if (fread(&length, sizeof length, 1, input) != 1) + return 0; + fread(buf, 1, length, input); + } else { + poll(pollfds, 2, -1); + if (pollfds[1].revents) { + read(STDIN_FILENO, &c, sizeof c); + switch (c) { + case 'q': + if (output != NULL) + fclose(output); + return 0; + } + } + + if (pollfds[0].revents) + length = read(fd, buf, sizeof buf); + else + continue; + } + + if (output != NULL) { + fwrite(&length, sizeof length, 1, output); + fwrite(buf, 1, length, output); + } + + switch (view) { + case VIEW_TRANSACTION: + handle_packet(buf, length); + break; + case VIEW_PACKET: + print_packet(buf, length); + break; + case VIEW_STATS: + print_stats(buf, length); + break; + } + } + + if (output != NULL) + fclose(output); + + close(fd); + + poptFreeContext(con); + + return 0; +} diff --git a/ANDROID_3.4.5/tools/firewire/nosy-dump.h b/ANDROID_3.4.5/tools/firewire/nosy-dump.h new file mode 100644 index 00000000..3a4b5b33 --- /dev/null +++ b/ANDROID_3.4.5/tools/firewire/nosy-dump.h @@ -0,0 +1,173 @@ +#ifndef __nosy_dump_h__ +#define __nosy_dump_h__ + +#define array_length(array) (sizeof(array) / sizeof(array[0])) + +#define ACK_NO_ACK 0x0 +#define ACK_DONE(a) ((a >> 2) == 0) +#define ACK_BUSY(a) ((a >> 2) == 1) +#define ACK_ERROR(a) ((a >> 2) == 3) + +#include <stdint.h> + +struct phy_packet { + uint32_t timestamp; + union { + struct { + uint32_t zero:24; + uint32_t phy_id:6; + uint32_t identifier:2; + } common, link_on; + + struct { + uint32_t zero:16; + uint32_t gap_count:6; + uint32_t set_gap_count:1; + uint32_t set_root:1; + uint32_t root_id:6; + uint32_t identifier:2; + } phy_config; + + struct { + uint32_t more_packets:1; + uint32_t initiated_reset:1; + uint32_t port2:2; + uint32_t port1:2; + uint32_t port0:2; + uint32_t power_class:3; + uint32_t contender:1; + uint32_t phy_delay:2; + uint32_t phy_speed:2; + uint32_t gap_count:6; + uint32_t link_active:1; + uint32_t extended:1; + uint32_t phy_id:6; + uint32_t identifier:2; + } self_id; + + struct { + uint32_t more_packets:1; + uint32_t reserved1:1; + uint32_t porth:2; + uint32_t portg:2; + uint32_t portf:2; + uint32_t porte:2; + uint32_t portd:2; + uint32_t portc:2; + uint32_t portb:2; + uint32_t porta:2; + uint32_t reserved0:2; + uint32_t sequence:3; + uint32_t extended:1; + uint32_t phy_id:6; + uint32_t identifier:2; + } ext_self_id; + }; + uint32_t inverted; + uint32_t ack; +}; + +#define TCODE_PHY_PACKET 0x10 + +#define PHY_PACKET_CONFIGURATION 0x00 +#define PHY_PACKET_LINK_ON 0x01 +#define PHY_PACKET_SELF_ID 0x02 + +struct link_packet { + uint32_t timestamp; + union { + struct { + uint32_t priority:4; + uint32_t tcode:4; + uint32_t rt:2; + uint32_t tlabel:6; + uint32_t destination:16; + + uint32_t offset_high:16; + uint32_t source:16; + + uint32_t offset_low; + } common; + + struct { + uint32_t common[3]; + uint32_t crc; + } read_quadlet; + + struct { + uint32_t common[3]; + uint32_t data; + uint32_t crc; + } read_quadlet_response; + + struct { + uint32_t common[3]; + uint32_t extended_tcode:16; + uint32_t data_length:16; + uint32_t crc; + } read_block; + + struct { + uint32_t common[3]; + uint32_t extended_tcode:16; + uint32_t data_length:16; + uint32_t crc; + uint32_t data[0]; + /* crc and ack follows. */ + } read_block_response; + + struct { + uint32_t common[3]; + uint32_t data; + uint32_t crc; + } write_quadlet; + + struct { + uint32_t common[3]; + uint32_t extended_tcode:16; + uint32_t data_length:16; + uint32_t crc; + uint32_t data[0]; + /* crc and ack follows. */ + } write_block; + + struct { + uint32_t common[3]; + uint32_t crc; + } write_response; + + struct { + uint32_t common[3]; + uint32_t data; + uint32_t crc; + } cycle_start; + + struct { + uint32_t sy:4; + uint32_t tcode:4; + uint32_t channel:6; + uint32_t tag:2; + uint32_t data_length:16; + + uint32_t crc; + } iso_data; + }; +}; + +struct subaction { + uint32_t ack; + size_t length; + struct list link; + struct link_packet packet; +}; + +struct link_transaction { + int request_node, response_node, tlabel; + struct subaction *request, *response; + struct list request_list, response_list; + struct list link; +}; + +int decode_fcp(struct link_transaction *t); + +#endif /* __nosy_dump_h__ */ |