*/
#include "defs.h"
-#include <sys/ioctl.h>
-#include <scsi/sg.h>
-static const struct xlat sg_io_dxfer_direction[] = {
- {SG_DXFER_NONE, "SG_DXFER_NONE"},
- {SG_DXFER_TO_DEV, "SG_DXFER_TO_DEV"},
- {SG_DXFER_FROM_DEV, "SG_DXFER_FROM_DEV"},
- {SG_DXFER_TO_FROM_DEV, "SG_DXFER_TO_FROM_DEV"},
- {0, NULL}
-};
+#ifdef HAVE_SCSI_SG_H
+
+# include <linux/ioctl.h>
+# include <scsi/sg.h>
+
+# include "xlat/sg_io_dxfer_direction.h"
+
+# ifdef HAVE_LINUX_BSG_H
+# include <linux/bsg.h>
+# include <sys/uio.h>
+# include "xlat/bsg_protocol.h"
+# include "xlat/bsg_subprotocol.h"
+# endif
+
+static bool
+print_uchar(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
+{
+ tprintf("%02x", (unsigned int) (* (unsigned char *) elem_buf));
+
+ return true;
+}
+
+static void
+print_sg_io_buffer(struct tcb *tcp, const unsigned long addr, const unsigned int len)
+{
+ unsigned char buf;
+
+ print_array(tcp, addr, len, &buf, sizeof(buf),
+ umoven_or_printaddr, print_uchar, 0);
+}
+
+static int
+print_sg_io_v3_req(struct tcb *tcp, const long arg)
+{
+ struct sg_io_hdr sg_io;
+
+ if (umove(tcp, arg, &sg_io) < 0) {
+ tprints("???}");
+ return RVAL_DECODED | 1;
+ }
+
+ printxval(sg_io_dxfer_direction, sg_io.dxfer_direction,
+ "SG_DXFER_???");
+ tprintf(", cmd[%u]=", sg_io.cmd_len);
+ print_sg_io_buffer(tcp, (unsigned long) sg_io.cmdp, sg_io.cmd_len);
+ 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);
+
+ 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,
+ (unsigned long) sg_io.dxferp,
+ IOV_DECODE_STR,
+ sg_io.dxfer_len);
+ else
+ print_sg_io_buffer(tcp, (unsigned long) sg_io.dxferp,
+ sg_io.dxfer_len);
+ }
+ return 1;
+}
static void
-print_sg_io_buffer(struct tcb *tcp, unsigned char *addr, int len)
+print_sg_io_v3_res(struct tcb *tcp, const long arg)
{
- unsigned char *buf = NULL;
- int allocated, i;
+ struct sg_io_hdr sg_io;
- if (len == 0)
+ if (umove(tcp, arg, &sg_io) < 0) {
+ tprints(", ???");
return;
- allocated = (len > max_strlen) ? max_strlen : len;
- if (len < 0 ||
- (buf = malloc(allocated)) == NULL ||
- umoven(tcp, (unsigned long) addr, allocated, (char *) buf) < 0) {
- tprintf("%p", addr);
- free(buf);
+ }
+
+ if (sg_io.dxfer_direction == SG_DXFER_FROM_DEV ||
+ sg_io.dxfer_direction == SG_DXFER_TO_FROM_DEV) {
+ uint32_t din_len = sg_io.dxfer_len;
+
+ if (sg_io.resid > 0)
+ din_len -= sg_io.resid;
+ tprintf(", data[%u]=", din_len);
+ if (sg_io.iovec_count)
+ tprint_iov_upto(tcp, sg_io.iovec_count,
+ (unsigned long) sg_io.dxferp,
+ syserror(tcp) ? IOV_DECODE_ADDR :
+ IOV_DECODE_STR, din_len);
+ else
+ print_sg_io_buffer(tcp, (unsigned long) sg_io.dxferp,
+ din_len);
+ }
+ 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, (unsigned long) sg_io.sbp, sg_io.sb_len_wr);
+ 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);
+}
+
+#ifdef HAVE_LINUX_BSG_H
+
+static int
+print_sg_io_v4_req(struct tcb *tcp, const long arg)
+{
+ struct sg_io_v4 sg_io;
+
+ if (umove(tcp, arg, &sg_io) < 0) {
+ tprints("???}");
+ return RVAL_DECODED | 1;
+ }
+
+ printxval(bsg_protocol, sg_io.protocol, "BSG_PROTOCOL_???");
+ tprints(", ");
+ printxval(bsg_subprotocol, sg_io.subprotocol, "BSG_SUB_PROTOCOL_???");
+ tprintf(", request[%u]=", sg_io.request_len);
+ print_sg_io_buffer(tcp, sg_io.request, sg_io.request_len);
+ tprintf(", request_tag=%" PRI__u64, sg_io.request_tag);
+ tprintf(", request_attr=%u", sg_io.request_attr);
+ tprintf(", request_priority=%u", sg_io.request_priority);
+ tprintf(", request_extra=%u", sg_io.request_extra);
+ tprintf(", max_response_len=%u", sg_io.max_response_len);
+
+ tprintf(", dout_iovec_count=%u", sg_io.dout_iovec_count);
+ tprintf(", dout_xfer_len=%u", sg_io.dout_xfer_len);
+ tprintf(", din_iovec_count=%u", sg_io.din_iovec_count);
+ tprintf(", din_xfer_len=%u", sg_io.din_xfer_len);
+ tprintf(", timeout=%u", sg_io.timeout);
+ tprintf(", flags=%u", sg_io.flags);
+ tprintf(", usr_ptr=%" PRI__u64, sg_io.usr_ptr);
+ tprintf(", spare_in=%u", sg_io.spare_in);
+ tprintf(", dout[%u]=", sg_io.dout_xfer_len);
+ if (sg_io.dout_iovec_count)
+ tprint_iov_upto(tcp, sg_io.dout_iovec_count, sg_io.dout_xferp,
+ IOV_DECODE_STR, sg_io.dout_xfer_len);
+ else
+ print_sg_io_buffer(tcp, sg_io.dout_xferp, sg_io.dout_xfer_len);
+ return 1;
+}
+
+static void
+print_sg_io_v4_res(struct tcb *tcp, const long arg)
+{
+ struct sg_io_v4 sg_io;
+ uint32_t din_len;
+
+ if (umove(tcp, arg, &sg_io) < 0) {
+ tprints(", ???");
return;
}
- tprintf("%02x", buf[0]);
- for (i = 1; i < allocated; ++i)
- tprintf(", %02x", buf[i]);
- free(buf);
- if (allocated != len)
- tprints(", ...");
+
+ tprintf(", response[%u]=", sg_io.response_len);
+ print_sg_io_buffer(tcp, sg_io.response, sg_io.response_len);
+ din_len = sg_io.din_xfer_len;
+ if (sg_io.din_resid > 0)
+ din_len -= sg_io.din_resid;
+ tprintf(", din[%u]=", din_len);
+ if (sg_io.din_iovec_count)
+ tprint_iov_upto(tcp, sg_io.din_iovec_count, sg_io.din_xferp,
+ syserror(tcp) ? IOV_DECODE_ADDR :
+ IOV_DECODE_STR, din_len);
+ else
+ print_sg_io_buffer(tcp, sg_io.din_xferp, din_len);
+ tprintf(", driver_status=%u", sg_io.driver_status);
+ tprintf(", transport_status=%u", sg_io.transport_status);
+ tprintf(", device_status=%u", sg_io.device_status);
+ tprintf(", retry_delay=%u", sg_io.retry_delay);
+ tprintf(", info=%u", sg_io.info);
+ tprintf(", duration=%u", sg_io.duration);
+ tprintf(", response_len=%u", sg_io.response_len);
+ tprintf(", din_resid=%u", sg_io.din_resid);
+ tprintf(", dout_resid=%u", sg_io.dout_resid);
+ tprintf(", generated_tag=%" PRI__u64, sg_io.generated_tag);
+ tprintf(", spare_out=%u", sg_io.spare_out);
+}
+
+#else /* !HAVE_LINUX_BSG_H */
+
+static int
+print_sg_io_v4_req(struct tcb *tcp, const long arg)
+{
+ tprints("...}");
+ return RVAL_DECODED | 1;
}
static void
-print_sg_io_req(struct tcb *tcp, struct sg_io_hdr *sg_io)
+print_sg_io_v4_res(struct tcb *tcp, const long arg)
{
- tprintf("{'%c', ", sg_io->interface_id);
- printxval(sg_io_dxfer_direction, sg_io->dxfer_direction,
- "SG_DXFER_???");
- tprintf(", cmd[%u]=[", sg_io->cmd_len);
- print_sg_io_buffer(tcp, sg_io->cmdp, sg_io->cmd_len);
- 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);
-
- 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);
- printstr(tcp, (unsigned long) sg_io->dxferp,
- sg_io->dxfer_len);
- tprints("]");
+}
+
+#endif
+
+static int
+print_sg_io_req(struct tcb *tcp, uint32_t iid, const long arg)
+{
+ tprintf("{'%c', ", iid);
+
+ switch (iid) {
+ case 'S':
+ return print_sg_io_v3_req(tcp, arg);
+ case 'Q':
+ return print_sg_io_v4_req(tcp, arg);
+ default:
+ tprints("...}");
+ return RVAL_DECODED | 1;
}
+
}
static void
-print_sg_io_res(struct tcb *tcp, struct sg_io_hdr *sg_io)
+print_sg_io_res(struct tcb *tcp, uint32_t iid, const long arg)
{
- if (sg_io->dxfer_direction == SG_DXFER_FROM_DEV ||
- sg_io->dxfer_direction == SG_DXFER_TO_FROM_DEV) {
- tprintf(", data[%u]=[", sg_io->dxfer_len);
- printstr(tcp, (unsigned long) sg_io->dxferp,
- sg_io->dxfer_len);
- tprints("]");
+ switch (iid) {
+ case 'S':
+ print_sg_io_v3_res(tcp, arg);
+ break;
+ case 'Q':
+ print_sg_io_v4_res(tcp, arg);
+ break;
}
- 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, sg_io->sbp, sg_io->sb_len_wr);
- 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);
}
int
-scsi_ioctl(struct tcb *tcp, long code, long arg)
+scsi_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
{
- switch (code) {
- case SG_IO:
- if (entering(tcp)) {
- struct sg_io_hdr sg_io;
-
- if (umove(tcp, arg, &sg_io) < 0)
- tprintf(", %#lx", arg);
- else {
- tprints(", ");
- print_sg_io_req(tcp, &sg_io);
- }
- }
- if (exiting(tcp)) {
- struct sg_io_hdr sg_io;
+ uint32_t iid;
- if (!syserror(tcp) && umove(tcp, arg, &sg_io) >= 0)
- print_sg_io_res(tcp, &sg_io);
+ if (SG_IO != code)
+ return RVAL_DECODED;
+
+ if (entering(tcp)) {
+ tprints(", ");
+ if (!arg || umove(tcp, arg, &iid) < 0) {
+ printaddr(arg);
+ return RVAL_DECODED | 1;
+ } else {
+ return print_sg_io_req(tcp, iid, arg);
+ }
+ } else {
+ if (!syserror(tcp)) {
+ if (umove(tcp, arg, &iid) < 0)
+ tprints(", ???");
else
- tprints("}");
+ print_sg_io_res(tcp, iid, arg);
}
- break;
- default:
- if (entering(tcp))
- tprintf(", %#lx", arg);
- break;
+ tprints("}");
+ return RVAL_DECODED | 1;
}
- return 1;
}
+
+#endif /* HAVE_SCSI_SG_H */
projects / strace / blobdiff