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path: root/hw/9pfs/virtio-9p-debug.c
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Diffstat (limited to 'hw/9pfs/virtio-9p-debug.c')
-rw-r--r--hw/9pfs/virtio-9p-debug.c646
1 files changed, 0 insertions, 646 deletions
diff --git a/hw/9pfs/virtio-9p-debug.c b/hw/9pfs/virtio-9p-debug.c
deleted file mode 100644
index 96925f04a4..0000000000
--- a/hw/9pfs/virtio-9p-debug.c
+++ /dev/null
@@ -1,646 +0,0 @@
-/*
- * Virtio 9p PDU debug
- *
- * Copyright IBM, Corp. 2010
- *
- * Authors:
- * Anthony Liguori <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
- *
- */
-
-#include "hw/virtio.h"
-#include "hw/pc.h"
-#include "virtio-9p.h"
-#include "virtio-9p-debug.h"
-
-#define BUG_ON(cond) assert(!(cond))
-
-static FILE *llogfile;
-
-static struct iovec *get_sg(V9fsPDU *pdu, int rx)
-{
- if (rx) {
- return pdu->elem.in_sg;
- }
- return pdu->elem.out_sg;
-}
-
-static int get_sg_count(V9fsPDU *pdu, int rx)
-{
- if (rx) {
- return pdu->elem.in_num;
- }
- return pdu->elem.out_num;
-
-}
-
-static void pprint_int8(V9fsPDU *pdu, int rx, size_t *offsetp,
- const char *name)
-{
- size_t copied;
- int count = get_sg_count(pdu, rx);
- size_t offset = *offsetp;
- struct iovec *sg = get_sg(pdu, rx);
- int8_t value;
-
- copied = do_pdu_unpack(&value, sg, count, offset, sizeof(value));
-
- BUG_ON(copied != sizeof(value));
- offset += sizeof(value);
- fprintf(llogfile, "%s=0x%x", name, value);
- *offsetp = offset;
-}
-
-static void pprint_int16(V9fsPDU *pdu, int rx, size_t *offsetp,
- const char *name)
-{
- size_t copied;
- int count = get_sg_count(pdu, rx);
- struct iovec *sg = get_sg(pdu, rx);
- size_t offset = *offsetp;
- int16_t value;
-
-
- copied = do_pdu_unpack(&value, sg, count, offset, sizeof(value));
-
- BUG_ON(copied != sizeof(value));
- offset += sizeof(value);
- fprintf(llogfile, "%s=0x%x", name, value);
- *offsetp = offset;
-}
-
-static void pprint_int32(V9fsPDU *pdu, int rx, size_t *offsetp,
- const char *name)
-{
- size_t copied;
- int count = get_sg_count(pdu, rx);
- struct iovec *sg = get_sg(pdu, rx);
- size_t offset = *offsetp;
- int32_t value;
-
-
- copied = do_pdu_unpack(&value, sg, count, offset, sizeof(value));
-
- BUG_ON(copied != sizeof(value));
- offset += sizeof(value);
- fprintf(llogfile, "%s=0x%x", name, value);
- *offsetp = offset;
-}
-
-static void pprint_int64(V9fsPDU *pdu, int rx, size_t *offsetp,
- const char *name)
-{
- size_t copied;
- int count = get_sg_count(pdu, rx);
- struct iovec *sg = get_sg(pdu, rx);
- size_t offset = *offsetp;
- int64_t value;
-
-
- copied = do_pdu_unpack(&value, sg, count, offset, sizeof(value));
-
- BUG_ON(copied != sizeof(value));
- offset += sizeof(value);
- fprintf(llogfile, "%s=0x%" PRIx64, name, value);
- *offsetp = offset;
-}
-
-static void pprint_str(V9fsPDU *pdu, int rx, size_t *offsetp, const char *name)
-{
- int sg_count = get_sg_count(pdu, rx);
- struct iovec *sg = get_sg(pdu, rx);
- size_t offset = *offsetp;
- uint16_t tmp_size, size;
- size_t result;
- size_t copied = 0;
- int i = 0;
-
- /* get the size */
- copied = do_pdu_unpack(&tmp_size, sg, sg_count, offset, sizeof(tmp_size));
- BUG_ON(copied != sizeof(tmp_size));
- size = le16_to_cpupu(&tmp_size);
- offset += copied;
-
- fprintf(llogfile, "%s=", name);
- for (i = 0; size && i < sg_count; i++) {
- size_t len;
- if (offset >= sg[i].iov_len) {
- /* skip this sg */
- offset -= sg[i].iov_len;
- continue;
- } else {
- len = MIN(sg[i].iov_len - offset, size);
- result = fwrite(sg[i].iov_base + offset, 1, len, llogfile);
- BUG_ON(result != len);
- size -= len;
- copied += len;
- if (size) {
- offset = 0;
- continue;
- }
- }
- }
- *offsetp += copied;
-}
-
-static void pprint_qid(V9fsPDU *pdu, int rx, size_t *offsetp, const char *name)
-{
- fprintf(llogfile, "%s={", name);
- pprint_int8(pdu, rx, offsetp, "type");
- pprint_int32(pdu, rx, offsetp, ", version");
- pprint_int64(pdu, rx, offsetp, ", path");
- fprintf(llogfile, "}");
-}
-
-static void pprint_stat(V9fsPDU *pdu, int rx, size_t *offsetp, const char *name)
-{
- fprintf(llogfile, "%s={", name);
- pprint_int16(pdu, rx, offsetp, "size");
- pprint_int16(pdu, rx, offsetp, ", type");
- pprint_int32(pdu, rx, offsetp, ", dev");
- pprint_qid(pdu, rx, offsetp, ", qid");
- pprint_int32(pdu, rx, offsetp, ", mode");
- pprint_int32(pdu, rx, offsetp, ", atime");
- pprint_int32(pdu, rx, offsetp, ", mtime");
- pprint_int64(pdu, rx, offsetp, ", length");
- pprint_str(pdu, rx, offsetp, ", name");
- pprint_str(pdu, rx, offsetp, ", uid");
- pprint_str(pdu, rx, offsetp, ", gid");
- pprint_str(pdu, rx, offsetp, ", muid");
- pprint_str(pdu, rx, offsetp, ", extension");
- pprint_int32(pdu, rx, offsetp, ", uid");
- pprint_int32(pdu, rx, offsetp, ", gid");
- pprint_int32(pdu, rx, offsetp, ", muid");
- fprintf(llogfile, "}");
-}
-
-static void pprint_stat_dotl(V9fsPDU *pdu, int rx, size_t *offsetp,
- const char *name)
-{
- fprintf(llogfile, "%s={", name);
- pprint_qid(pdu, rx, offsetp, "qid");
- pprint_int32(pdu, rx, offsetp, ", st_mode");
- pprint_int64(pdu, rx, offsetp, ", st_nlink");
- pprint_int32(pdu, rx, offsetp, ", st_uid");
- pprint_int32(pdu, rx, offsetp, ", st_gid");
- pprint_int64(pdu, rx, offsetp, ", st_rdev");
- pprint_int64(pdu, rx, offsetp, ", st_size");
- pprint_int64(pdu, rx, offsetp, ", st_blksize");
- pprint_int64(pdu, rx, offsetp, ", st_blocks");
- pprint_int64(pdu, rx, offsetp, ", atime");
- pprint_int64(pdu, rx, offsetp, ", atime_nsec");
- pprint_int64(pdu, rx, offsetp, ", mtime");
- pprint_int64(pdu, rx, offsetp, ", mtime_nsec");
- pprint_int64(pdu, rx, offsetp, ", ctime");
- pprint_int64(pdu, rx, offsetp, ", ctime_nsec");
- fprintf(llogfile, "}");
-}
-
-
-
-static void pprint_strs(V9fsPDU *pdu, int rx, size_t *offsetp, const char *name)
-{
- int sg_count = get_sg_count(pdu, rx);
- struct iovec *sg = get_sg(pdu, rx);
- size_t offset = *offsetp;
- uint16_t tmp_count, count, i;
- size_t copied = 0;
-
- fprintf(llogfile, "%s={", name);
-
- /* Get the count */
- copied = do_pdu_unpack(&tmp_count, sg, sg_count, offset, sizeof(tmp_count));
- BUG_ON(copied != sizeof(tmp_count));
- count = le16_to_cpupu(&tmp_count);
- offset += copied;
-
- for (i = 0; i < count; i++) {
- char str[512];
- if (i) {
- fprintf(llogfile, ", ");
- }
- snprintf(str, sizeof(str), "[%d]", i);
- pprint_str(pdu, rx, &offset, str);
- }
-
- fprintf(llogfile, "}");
-
- *offsetp = offset;
-}
-
-static void pprint_qids(V9fsPDU *pdu, int rx, size_t *offsetp, const char *name)
-{
- int sg_count = get_sg_count(pdu, rx);
- struct iovec *sg = get_sg(pdu, rx);
- size_t offset = *offsetp;
- uint16_t tmp_count, count, i;
- size_t copied = 0;
-
- fprintf(llogfile, "%s={", name);
-
- copied = do_pdu_unpack(&tmp_count, sg, sg_count, offset, sizeof(tmp_count));
- BUG_ON(copied != sizeof(tmp_count));
- count = le16_to_cpupu(&tmp_count);
- offset += copied;
-
- for (i = 0; i < count; i++) {
- char str[512];
- if (i) {
- fprintf(llogfile, ", ");
- }
- snprintf(str, sizeof(str), "[%d]", i);
- pprint_qid(pdu, rx, &offset, str);
- }
-
- fprintf(llogfile, "}");
-
- *offsetp = offset;
-}
-
-static void pprint_sg(V9fsPDU *pdu, int rx, size_t *offsetp, const char *name)
-{
- struct iovec *sg = get_sg(pdu, rx);
- unsigned int count;
- int i;
-
- if (rx) {
- count = pdu->elem.in_num;
- } else {
- count = pdu->elem.out_num;
- }
-
- fprintf(llogfile, "%s={", name);
- for (i = 0; i < count; i++) {
- if (i) {
- fprintf(llogfile, ", ");
- }
- fprintf(llogfile, "(%p, 0x%zx)", sg[i].iov_base, sg[i].iov_len);
- }
- fprintf(llogfile, "}");
-}
-
-/* FIXME: read from a directory fid returns serialized stat_t's */
-#ifdef DEBUG_DATA
-static void pprint_data(V9fsPDU *pdu, int rx, size_t *offsetp, const char *name)
-{
- struct iovec *sg = get_sg(pdu, rx);
- size_t offset = *offsetp;
- unsigned int count;
- int32_t size;
- int total, i, j;
- ssize_t len;
-
- if (rx) {
- count = pdu->elem.in_num;
- } else {
- count = pdu->elem.out_num;
- }
-
- BUG_ON((offset + sizeof(size)) > sg[0].iov_len);
-
- memcpy(&size, sg[0].iov_base + offset, sizeof(size));
- offset += sizeof(size);
-
- fprintf(llogfile, "size: %x\n", size);
-
- sg[0].iov_base += 11; /* skip header */
- sg[0].iov_len -= 11;
-
- total = 0;
- for (i = 0; i < count; i++) {
- total += sg[i].iov_len;
- if (total >= size) {
- /* trim sg list so writev does the right thing */
- sg[i].iov_len -= (total - size);
- i++;
- break;
- }
- }
-
- fprintf(llogfile, "%s={\"", name);
- fflush(llogfile);
- for (j = 0; j < i; j++) {
- if (j) {
- fprintf(llogfile, "\", \"");
- fflush(llogfile);
- }
-
- do {
- len = writev(fileno(llogfile), &sg[j], 1);
- } while (len == -1 && errno == EINTR);
- fprintf(llogfile, "len == %ld: %m\n", len);
- BUG_ON(len != sg[j].iov_len);
- }
- fprintf(llogfile, "\"}");
-
- sg[0].iov_base -= 11;
- sg[0].iov_len += 11;
-
-}
-#endif
-
-void pprint_pdu(V9fsPDU *pdu)
-{
- size_t offset = 7;
-
- if (llogfile == NULL) {
- llogfile = fopen("/tmp/pdu.log", "w");
- }
-
- BUG_ON(!llogfile);
-
- switch (pdu->id) {
- case P9_TREADDIR:
- fprintf(llogfile, "TREADDIR: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int64(pdu, 0, &offset, ", initial offset");
- pprint_int32(pdu, 0, &offset, ", max count");
- break;
- case P9_RREADDIR:
- fprintf(llogfile, "RREADDIR: (");
- pprint_int32(pdu, 1, &offset, "count");
-#ifdef DEBUG_DATA
- pprint_data(pdu, 1, &offset, ", data");
-#endif
- break;
- case P9_TMKDIR:
- fprintf(llogfile, "TMKDIR: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_str(pdu, 0, &offset, "name");
- pprint_int32(pdu, 0, &offset, "mode");
- pprint_int32(pdu, 0, &offset, "gid");
- break;
- case P9_RMKDIR:
- fprintf(llogfile, "RMKDIR: (");
- pprint_qid(pdu, 0, &offset, "qid");
- break;
- case P9_TVERSION:
- fprintf(llogfile, "TVERSION: (");
- pprint_int32(pdu, 0, &offset, "msize");
- pprint_str(pdu, 0, &offset, ", version");
- break;
- case P9_RVERSION:
- fprintf(llogfile, "RVERSION: (");
- pprint_int32(pdu, 1, &offset, "msize");
- pprint_str(pdu, 1, &offset, ", version");
- break;
- case P9_TGETATTR:
- fprintf(llogfile, "TGETATTR: (");
- pprint_int32(pdu, 0, &offset, "fid");
- break;
- case P9_RGETATTR:
- fprintf(llogfile, "RGETATTR: (");
- pprint_stat_dotl(pdu, 1, &offset, "getattr");
- break;
- case P9_TAUTH:
- fprintf(llogfile, "TAUTH: (");
- pprint_int32(pdu, 0, &offset, "afid");
- pprint_str(pdu, 0, &offset, ", uname");
- pprint_str(pdu, 0, &offset, ", aname");
- pprint_int32(pdu, 0, &offset, ", n_uname");
- break;
- case P9_RAUTH:
- fprintf(llogfile, "RAUTH: (");
- pprint_qid(pdu, 1, &offset, "qid");
- break;
- case P9_TATTACH:
- fprintf(llogfile, "TATTACH: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int32(pdu, 0, &offset, ", afid");
- pprint_str(pdu, 0, &offset, ", uname");
- pprint_str(pdu, 0, &offset, ", aname");
- pprint_int32(pdu, 0, &offset, ", n_uname");
- break;
- case P9_RATTACH:
- fprintf(llogfile, "RATTACH: (");
- pprint_qid(pdu, 1, &offset, "qid");
- break;
- case P9_TERROR:
- fprintf(llogfile, "TERROR: (");
- break;
- case P9_RERROR:
- fprintf(llogfile, "RERROR: (");
- pprint_str(pdu, 1, &offset, "ename");
- pprint_int32(pdu, 1, &offset, ", ecode");
- break;
- case P9_TFLUSH:
- fprintf(llogfile, "TFLUSH: (");
- pprint_int16(pdu, 0, &offset, "oldtag");
- break;
- case P9_RFLUSH:
- fprintf(llogfile, "RFLUSH: (");
- break;
- case P9_TWALK:
- fprintf(llogfile, "TWALK: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int32(pdu, 0, &offset, ", newfid");
- pprint_strs(pdu, 0, &offset, ", wnames");
- break;
- case P9_RWALK:
- fprintf(llogfile, "RWALK: (");
- pprint_qids(pdu, 1, &offset, "wqids");
- break;
- case P9_TOPEN:
- fprintf(llogfile, "TOPEN: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int8(pdu, 0, &offset, ", mode");
- break;
- case P9_ROPEN:
- fprintf(llogfile, "ROPEN: (");
- pprint_qid(pdu, 1, &offset, "qid");
- pprint_int32(pdu, 1, &offset, ", iounit");
- break;
- case P9_TCREATE:
- fprintf(llogfile, "TCREATE: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_str(pdu, 0, &offset, ", name");
- pprint_int32(pdu, 0, &offset, ", perm");
- pprint_int8(pdu, 0, &offset, ", mode");
- pprint_str(pdu, 0, &offset, ", extension");
- break;
- case P9_RCREATE:
- fprintf(llogfile, "RCREATE: (");
- pprint_qid(pdu, 1, &offset, "qid");
- pprint_int32(pdu, 1, &offset, ", iounit");
- break;
- case P9_TSYMLINK:
- fprintf(llogfile, "TSYMLINK: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_str(pdu, 0, &offset, ", name");
- pprint_str(pdu, 0, &offset, ", symname");
- pprint_int32(pdu, 0, &offset, ", gid");
- break;
- case P9_RSYMLINK:
- fprintf(llogfile, "RSYMLINK: (");
- pprint_qid(pdu, 1, &offset, "qid");
- break;
- case P9_TLCREATE:
- fprintf(llogfile, "TLCREATE: (");
- pprint_int32(pdu, 0, &offset, "dfid");
- pprint_str(pdu, 0, &offset, ", name");
- pprint_int32(pdu, 0, &offset, ", flags");
- pprint_int32(pdu, 0, &offset, ", mode");
- pprint_int32(pdu, 0, &offset, ", gid");
- break;
- case P9_RLCREATE:
- fprintf(llogfile, "RLCREATE: (");
- pprint_qid(pdu, 1, &offset, "qid");
- pprint_int32(pdu, 1, &offset, ", iounit");
- break;
- case P9_TMKNOD:
- fprintf(llogfile, "TMKNOD: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_str(pdu, 0, &offset, "name");
- pprint_int32(pdu, 0, &offset, "mode");
- pprint_int32(pdu, 0, &offset, "major");
- pprint_int32(pdu, 0, &offset, "minor");
- pprint_int32(pdu, 0, &offset, "gid");
- break;
- case P9_RMKNOD:
- fprintf(llogfile, "RMKNOD: )");
- pprint_qid(pdu, 0, &offset, "qid");
- break;
- case P9_TREADLINK:
- fprintf(llogfile, "TREADLINK: (");
- pprint_int32(pdu, 0, &offset, "fid");
- break;
- case P9_RREADLINK:
- fprintf(llogfile, "RREADLINK: (");
- pprint_str(pdu, 0, &offset, "target");
- break;
- case P9_TREAD:
- fprintf(llogfile, "TREAD: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int64(pdu, 0, &offset, ", offset");
- pprint_int32(pdu, 0, &offset, ", count");
- pprint_sg(pdu, 0, &offset, ", sg");
- break;
- case P9_RREAD:
- fprintf(llogfile, "RREAD: (");
- pprint_int32(pdu, 1, &offset, "count");
- pprint_sg(pdu, 1, &offset, ", sg");
- offset = 7;
-#ifdef DEBUG_DATA
- pprint_data(pdu, 1, &offset, ", data");
-#endif
- break;
- case P9_TWRITE:
- fprintf(llogfile, "TWRITE: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int64(pdu, 0, &offset, ", offset");
- pprint_int32(pdu, 0, &offset, ", count");
- break;
- case P9_RWRITE:
- fprintf(llogfile, "RWRITE: (");
- pprint_int32(pdu, 1, &offset, "count");
- break;
- case P9_TCLUNK:
- fprintf(llogfile, "TCLUNK: (");
- pprint_int32(pdu, 0, &offset, "fid");
- break;
- case P9_RCLUNK:
- fprintf(llogfile, "RCLUNK: (");
- break;
- case P9_TFSYNC:
- fprintf(llogfile, "TFSYNC: (");
- pprint_int32(pdu, 0, &offset, "fid");
- break;
- case P9_RFSYNC:
- fprintf(llogfile, "RFSYNC: (");
- break;
- case P9_TLINK:
- fprintf(llogfile, "TLINK: (");
- pprint_int32(pdu, 0, &offset, "dfid");
- pprint_int32(pdu, 0, &offset, ", fid");
- pprint_str(pdu, 0, &offset, ", newpath");
- break;
- case P9_RLINK:
- fprintf(llogfile, "RLINK: (");
- break;
- case P9_TREMOVE:
- fprintf(llogfile, "TREMOVE: (");
- pprint_int32(pdu, 0, &offset, "fid");
- break;
- case P9_RREMOVE:
- fprintf(llogfile, "RREMOVE: (");
- break;
- case P9_TSTAT:
- fprintf(llogfile, "TSTAT: (");
- pprint_int32(pdu, 0, &offset, "fid");
- break;
- case P9_RSTAT:
- fprintf(llogfile, "RSTAT: (");
- offset += 2; /* ignored */
- pprint_stat(pdu, 1, &offset, "stat");
- break;
- case P9_TWSTAT:
- fprintf(llogfile, "TWSTAT: (");
- pprint_int32(pdu, 0, &offset, "fid");
- offset += 2; /* ignored */
- pprint_stat(pdu, 0, &offset, ", stat");
- break;
- case P9_RWSTAT:
- fprintf(llogfile, "RWSTAT: (");
- break;
- case P9_TXATTRWALK:
- fprintf(llogfile, "TXATTRWALK: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int32(pdu, 0, &offset, ", newfid");
- pprint_str(pdu, 0, &offset, ", xattr name");
- break;
- case P9_RXATTRWALK:
- fprintf(llogfile, "RXATTRWALK: (");
- pprint_int64(pdu, 1, &offset, "xattrsize");
- case P9_TXATTRCREATE:
- fprintf(llogfile, "TXATTRCREATE: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_str(pdu, 0, &offset, ", name");
- pprint_int64(pdu, 0, &offset, ", xattrsize");
- pprint_int32(pdu, 0, &offset, ", flags");
- break;
- case P9_RXATTRCREATE:
- fprintf(llogfile, "RXATTRCREATE: (");
- break;
- case P9_TLOCK:
- fprintf(llogfile, "TLOCK: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int8(pdu, 0, &offset, ", type");
- pprint_int32(pdu, 0, &offset, ", flags");
- pprint_int64(pdu, 0, &offset, ", start");
- pprint_int64(pdu, 0, &offset, ", length");
- pprint_int32(pdu, 0, &offset, ", proc_id");
- pprint_str(pdu, 0, &offset, ", client_id");
- break;
- case P9_RLOCK:
- fprintf(llogfile, "RLOCK: (");
- pprint_int8(pdu, 0, &offset, "status");
- break;
- case P9_TGETLOCK:
- fprintf(llogfile, "TGETLOCK: (");
- pprint_int32(pdu, 0, &offset, "fid");
- pprint_int8(pdu, 0, &offset, ", type");
- pprint_int64(pdu, 0, &offset, ", start");
- pprint_int64(pdu, 0, &offset, ", length");
- pprint_int32(pdu, 0, &offset, ", proc_id");
- pprint_str(pdu, 0, &offset, ", client_id");
- break;
- case P9_RGETLOCK:
- fprintf(llogfile, "RGETLOCK: (");
- pprint_int8(pdu, 0, &offset, "type");
- pprint_int64(pdu, 0, &offset, ", start");
- pprint_int64(pdu, 0, &offset, ", length");
- pprint_int32(pdu, 0, &offset, ", proc_id");
- pprint_str(pdu, 0, &offset, ", client_id");
- break;
- default:
- fprintf(llogfile, "unknown(%d): (", pdu->id);
- break;
- }
-
- fprintf(llogfile, ")\n");
- /* Flush the log message out */
- fflush(llogfile);
-}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-21 05:42:06 +0000