#ifdef HAVE_SCSI_SG_H
+#include DEF_MPERS_TYPE(struct_sg_io_hdr)
+
# include <scsi/sg.h>
+
+typedef struct sg_io_hdr struct_sg_io_hdr;
+
+#endif /* HAVE_SCSI_SG_H */
+
+#include MPERS_DEFS
+
+#include "xlat/sg_io_info.h"
+
+#ifdef HAVE_SCSI_SG_H
# include "xlat/sg_io_dxfer_direction.h"
+# include "xlat/sg_io_flags.h"
static void
print_sg_io_buffer(struct tcb *const tcp, const kernel_ulong_t addr,
- const unsigned int len)
+ const unsigned int data_size, const unsigned int iovec_count)
{
- printstr_ex(tcp, addr, len, QUOTE_FORCE_HEX);
+ if (iovec_count) {
+ tprint_iov_upto(tcp, iovec_count, addr, IOV_DECODE_STR,
+ data_size);
+ } else {
+ printstr_ex(tcp, addr, data_size, QUOTE_FORCE_HEX);
+ }
}
static int
decode_request(struct tcb *const tcp, const kernel_ulong_t arg)
{
- struct sg_io_hdr sg_io;
+ struct_sg_io_hdr sg_io;
static const size_t skip_iid =
- offsetof(struct sg_io_hdr, dxfer_direction);
+ offsetof(struct_sg_io_hdr, dxfer_direction);
tprints("{interface_id='S', ");
if (umoven_or_printaddr(tcp, arg + skip_iid, sizeof(sg_io) - skip_iid,
tprints("dxfer_direction=");
printxval(sg_io_dxfer_direction, sg_io.dxfer_direction,
"SG_DXFER_???");
- tprintf(", cmd[%u]=", sg_io.cmd_len);
- print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.cmdp), sg_io.cmd_len);
+ tprintf(", cmd_len=%u, cmdp=", sg_io.cmd_len);
+ print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.cmdp), sg_io.cmd_len, 0);
tprintf(", mx_sb_len=%d", sg_io.mx_sb_len);
tprintf(", iovec_count=%d", sg_io.iovec_count);
tprintf(", dxfer_len=%u", sg_io.dxfer_len);
tprintf(", timeout=%u", sg_io.timeout);
- tprintf(", flags=%#x", sg_io.flags);
+ tprints(", flags=");
+ printflags(sg_io_flags, sg_io.flags, "SG_FLAG_???");
if (sg_io.dxfer_direction == SG_DXFER_TO_DEV ||
sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) {
- tprintf(", data[%u]=", sg_io.dxfer_len);
- if (sg_io.iovec_count)
- tprint_iov_upto(tcp, sg_io.iovec_count,
- ptr_to_kulong(sg_io.dxferp),
- IOV_DECODE_STR,
- sg_io.dxfer_len);
- else
- print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.dxferp),
- sg_io.dxfer_len);
+ tprints(", dxferp=");
+ print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.dxferp),
+ sg_io.dxfer_len, sg_io.iovec_count);
}
+
+ struct_sg_io_hdr *entering_sg_io = malloc(sizeof(*entering_sg_io));
+ if (entering_sg_io) {
+ memcpy(entering_sg_io, &sg_io, sizeof(sg_io));
+ entering_sg_io->interface_id = (unsigned char) 'S';
+ set_tcb_priv_data(tcp, entering_sg_io, free);
+ }
+
return 1;
}
static int
decode_response(struct tcb *const tcp, const kernel_ulong_t arg)
{
- struct sg_io_hdr sg_io;
+ struct_sg_io_hdr *entering_sg_io = get_tcb_priv_data(tcp);
+ struct_sg_io_hdr sg_io;
if (umove(tcp, arg, &sg_io) < 0) {
- tprints(", ???");
+ /* print i/o fields fetched on entering syscall */
+ if (entering_sg_io->dxfer_direction == SG_DXFER_FROM_DEV) {
+ tprints(", dxferp=");
+ printaddr(ptr_to_kulong(entering_sg_io->dxferp));
+ }
+ tprints(", sbp=");
+ printaddr(ptr_to_kulong(entering_sg_io->sbp));
return RVAL_DECODED | 1;
}
- if (sg_io.interface_id != (unsigned char) 'S') {
+ if (sg_io.interface_id != entering_sg_io->interface_id) {
tprintf(" => interface_id=%u", sg_io.interface_id);
return RVAL_DECODED | 1;
}
sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) {
uint32_t din_len = sg_io.dxfer_len;
- if (sg_io.resid > 0)
+ if (sg_io.resid > 0 && (unsigned int) sg_io.resid <= din_len)
din_len -= sg_io.resid;
- tprintf(", data[%u]=", din_len);
- if (sg_io.iovec_count)
- tprint_iov_upto(tcp, sg_io.iovec_count,
- ptr_to_kulong(sg_io.dxferp),
- syserror(tcp) ? IOV_DECODE_ADDR :
- IOV_DECODE_STR, din_len);
- else
+ if (sg_io.dxfer_direction == SG_DXFER_FROM_DEV) {
+ tprints(", dxferp=");
+ } else if (din_len) {
+ tprints(" => dxferp=");
+ }
+ if (sg_io.dxfer_direction == SG_DXFER_FROM_DEV || din_len) {
print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.dxferp),
- din_len);
+ din_len, sg_io.iovec_count);
+ }
}
- tprintf(", status=%02x", sg_io.status);
- tprintf(", masked_status=%02x", sg_io.masked_status);
- tprintf(", sb[%u]=", sg_io.sb_len_wr);
- print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.sbp), sg_io.sb_len_wr);
+ tprintf(", status=%#x", sg_io.status);
+ tprintf(", masked_status=%#x", sg_io.masked_status);
+ tprintf(", msg_status=%#x", sg_io.msg_status);
+ tprintf(", sb_len_wr=%u, sbp=", sg_io.sb_len_wr);
+ print_sg_io_buffer(tcp, ptr_to_kulong(sg_io.sbp), sg_io.sb_len_wr, 0);
tprintf(", host_status=%#x", sg_io.host_status);
tprintf(", driver_status=%#x", sg_io.driver_status);
tprintf(", resid=%d", sg_io.resid);
- tprintf(", duration=%d", sg_io.duration);
- tprintf(", info=%#x", sg_io.info);
+ tprintf(", duration=%u", sg_io.duration);
+ tprints(", info=");
+ printflags(sg_io_info, sg_io.info, "SG_INFO_???");
return RVAL_DECODED | 1;
}
#endif
-int
-decode_sg_io_v3(struct tcb *const tcp, const kernel_ulong_t arg)
+MPERS_PRINTER_DECL(int, decode_sg_io_v3,
+ struct tcb *const tcp, const kernel_ulong_t arg)
{
return entering(tcp) ? decode_request(tcp, arg)
: decode_response(tcp, arg);
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