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-rw-r--r--hw/scsi/scsi-disk.c103
-rw-r--r--hw/scsi/trace-events29
2 files changed, 79 insertions, 53 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index e6db6d7..d4e83ae 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -19,15 +19,6 @@
* the host adapter emulator.
*/
-//#define DEBUG_SCSI
-
-#ifdef DEBUG_SCSI
-#define DPRINTF(fmt, ...) \
-do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while(0)
-#endif
-
#include "qemu/osdep.h"
#include "qemu/units.h"
#include "qapi/error.h"
@@ -41,6 +32,7 @@ do { printf("scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
#include "hw/block/block.h"
#include "sysemu/dma.h"
#include "qemu/cutils.h"
+#include "trace.h"
#ifdef __linux
#include <scsi/sg.h>
@@ -129,8 +121,8 @@ static void scsi_free_request(SCSIRequest *req)
/* Helper function for command completion with sense. */
static void scsi_check_condition(SCSIDiskReq *r, SCSISense sense)
{
- DPRINTF("Command complete tag=0x%x sense=%d/%d/%d\n",
- r->req.tag, sense.key, sense.asc, sense.ascq);
+ trace_scsi_disk_check_condition(r->req.tag, sense.key, sense.asc,
+ sense.ascq);
scsi_req_build_sense(&r->req, sense);
scsi_req_complete(&r->req, CHECK_CONDITION);
}
@@ -318,7 +310,7 @@ static void scsi_read_complete(void * opaque, int ret)
}
block_acct_done(blk_get_stats(s->qdev.conf.blk), &r->acct);
- DPRINTF("Data ready tag=0x%x len=%zd\n", r->req.tag, r->qiov.size);
+ trace_scsi_disk_read_complete(r->req.tag, r->qiov.size);
n = r->qiov.size / 512;
r->sector += n;
@@ -389,7 +381,7 @@ static void scsi_read_data(SCSIRequest *req)
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
bool first;
- DPRINTF("Read sector_count=%d\n", r->sector_count);
+ trace_scsi_disk_read_data_count(r->sector_count);
if (r->sector_count == 0) {
/* This also clears the sense buffer for REQUEST SENSE. */
scsi_req_complete(&r->req, GOOD);
@@ -402,7 +394,7 @@ static void scsi_read_data(SCSIRequest *req)
/* The request is used as the AIO opaque value, so add a ref. */
scsi_req_ref(&r->req);
if (r->req.cmd.mode == SCSI_XFER_TO_DEV) {
- DPRINTF("Data transfer direction invalid\n");
+ trace_scsi_disk_read_data_invalid();
scsi_read_complete(r, -EINVAL);
return;
}
@@ -503,7 +495,7 @@ static void scsi_write_complete_noio(SCSIDiskReq *r, int ret)
return;
} else {
scsi_init_iovec(r, SCSI_DMA_BUF_SIZE);
- DPRINTF("Write complete tag=0x%x more=%zd\n", r->req.tag, r->qiov.size);
+ trace_scsi_disk_write_complete_noio(r->req.tag, r->qiov.size);
scsi_req_data(&r->req, r->qiov.size);
}
@@ -541,7 +533,7 @@ static void scsi_write_data(SCSIRequest *req)
/* The request is used as the AIO opaque value, so add a ref. */
scsi_req_ref(&r->req);
if (r->req.cmd.mode != SCSI_XFER_TO_DEV) {
- DPRINTF("Data transfer direction invalid\n");
+ trace_scsi_disk_write_data_invalid();
scsi_write_complete_noio(r, -EINVAL);
return;
}
@@ -606,8 +598,7 @@ static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf)
switch (page_code) {
case 0x00: /* Supported page codes, mandatory */
{
- DPRINTF("Inquiry EVPD[Supported pages] "
- "buffer size %zd\n", req->cmd.xfer);
+ trace_scsi_disk_emulate_vpd_page_00(req->cmd.xfer);
outbuf[buflen++] = 0x00; /* list of supported pages (this page) */
if (s->serial) {
outbuf[buflen++] = 0x80; /* unit serial number */
@@ -625,7 +616,7 @@ static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf)
int l;
if (!s->serial) {
- DPRINTF("Inquiry (EVPD[Serial number] not supported\n");
+ trace_scsi_disk_emulate_vpd_page_80_not_supported();
return -1;
}
@@ -634,8 +625,7 @@ static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf)
l = 36;
}
- DPRINTF("Inquiry EVPD[Serial number] "
- "buffer size %zd\n", req->cmd.xfer);
+ trace_scsi_disk_emulate_vpd_page_80(req->cmd.xfer);
memcpy(outbuf + buflen, s->serial, l);
buflen += l;
break;
@@ -645,8 +635,7 @@ static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf)
{
int id_len = s->device_id ? MIN(strlen(s->device_id), 255 - 8) : 0;
- DPRINTF("Inquiry EVPD[Device identification] "
- "buffer size %zd\n", req->cmd.xfer);
+ trace_scsi_disk_emulate_vpd_page_83(req->cmd.xfer);
if (id_len) {
outbuf[buflen++] = 0x2; /* ASCII */
@@ -693,8 +682,7 @@ static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf)
SCSIBlockLimits bl = {};
if (s->qdev.type == TYPE_ROM) {
- DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n",
- page_code);
+ trace_scsi_disk_emulate_vpd_page_b0_not_supported();
return -1;
}
bl.wsnz = 1;
@@ -1241,8 +1229,9 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf)
dbd = (r->req.cmd.buf[1] & 0x8) != 0;
page = r->req.cmd.buf[2] & 0x3f;
page_control = (r->req.cmd.buf[2] & 0xc0) >> 6;
- DPRINTF("Mode Sense(%d) (page %d, xfer %zd, page_control %d)\n",
- (r->req.cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, r->req.cmd.xfer, page_control);
+
+ trace_scsi_disk_emulate_mode_sense((r->req.cmd.buf[0] == MODE_SENSE) ? 6 :
+ 10, page, r->req.cmd.xfer, page_control);
memset(outbuf, 0, r->req.cmd.xfer);
p = outbuf;
@@ -1334,7 +1323,7 @@ static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf)
format = req->cmd.buf[2] & 0xf;
start_track = req->cmd.buf[6];
blk_get_geometry(s->qdev.conf.blk, &nb_sectors);
- DPRINTF("Read TOC (track %d format %d msf %d)\n", start_track, format, msf >> 1);
+ trace_scsi_disk_emulate_read_toc(start_track, format, msf >> 1);
nb_sectors /= s->qdev.blocksize / 512;
switch (format) {
case 0:
@@ -1393,7 +1382,7 @@ static void scsi_disk_emulate_read_data(SCSIRequest *req)
int buflen = r->iov.iov_len;
if (buflen) {
- DPRINTF("Read buf_len=%d\n", buflen);
+ trace_scsi_disk_emulate_read_data(buflen);
r->iov.iov_len = 0;
r->started = true;
scsi_req_data(&r->req, buflen);
@@ -1812,7 +1801,7 @@ static void scsi_disk_emulate_write_data(SCSIRequest *req)
if (r->iov.iov_len) {
int buflen = r->iov.iov_len;
- DPRINTF("Write buf_len=%d\n", buflen);
+ trace_scsi_disk_emulate_write_data(buflen);
r->iov.iov_len = 0;
scsi_req_data(&r->req, buflen);
return;
@@ -2021,7 +2010,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
case SERVICE_ACTION_IN_16:
/* Service Action In subcommands. */
if ((req->cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) {
- DPRINTF("SAI READ CAPACITY(16)\n");
+ trace_scsi_disk_emulate_command_SAI_16();
memset(outbuf, 0, req->cmd.xfer);
blk_get_geometry(s->qdev.conf.blk, &nb_sectors);
if (!nb_sectors) {
@@ -2059,7 +2048,7 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
/* Protection, exponent and lowest lba field left blank. */
break;
}
- DPRINTF("Unsupported Service Action In\n");
+ trace_scsi_disk_emulate_command_SAI_unsupported();
goto illegal_request;
case SYNCHRONIZE_CACHE:
/* The request is used as the AIO opaque value, so add a ref. */
@@ -2069,37 +2058,36 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
r->req.aiocb = blk_aio_flush(s->qdev.conf.blk, scsi_aio_complete, r);
return 0;
case SEEK_10:
- DPRINTF("Seek(10) (sector %" PRId64 ")\n", r->req.cmd.lba);
+ trace_scsi_disk_emulate_command_SEEK_10(r->req.cmd.lba);
if (r->req.cmd.lba > s->qdev.max_lba) {
goto illegal_lba;
}
break;
case MODE_SELECT:
- DPRINTF("Mode Select(6) (len %lu)\n", (unsigned long)r->req.cmd.xfer);
+ trace_scsi_disk_emulate_command_MODE_SELECT(r->req.cmd.xfer);
break;
case MODE_SELECT_10:
- DPRINTF("Mode Select(10) (len %lu)\n", (unsigned long)r->req.cmd.xfer);
+ trace_scsi_disk_emulate_command_MODE_SELECT_10(r->req.cmd.xfer);
break;
case UNMAP:
- DPRINTF("Unmap (len %lu)\n", (unsigned long)r->req.cmd.xfer);
+ trace_scsi_disk_emulate_command_UNMAP(r->req.cmd.xfer);
break;
case VERIFY_10:
case VERIFY_12:
case VERIFY_16:
- DPRINTF("Verify (bytchk %d)\n", (req->cmd.buf[1] >> 1) & 3);
+ trace_scsi_disk_emulate_command_VERIFY((req->cmd.buf[1] >> 1) & 3);
if (req->cmd.buf[1] & 6) {
goto illegal_request;
}
break;
case WRITE_SAME_10:
case WRITE_SAME_16:
- DPRINTF("WRITE SAME %d (len %lu)\n",
- req->cmd.buf[0] == WRITE_SAME_10 ? 10 : 16,
- (unsigned long)r->req.cmd.xfer);
+ trace_scsi_disk_emulate_command_WRITE_SAME(
+ req->cmd.buf[0] == WRITE_SAME_10 ? 10 : 16, r->req.cmd.xfer);
break;
default:
- DPRINTF("Unknown SCSI command (%2.2x=%s)\n", buf[0],
- scsi_command_name(buf[0]));
+ trace_scsi_disk_emulate_command_UNKNOWN(buf[0],
+ scsi_command_name(buf[0]));
scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE));
return 0;
}
@@ -2152,7 +2140,7 @@ static int32_t scsi_disk_dma_command(SCSIRequest *req, uint8_t *buf)
case READ_10:
case READ_12:
case READ_16:
- DPRINTF("Read (sector %" PRId64 ", count %u)\n", r->req.cmd.lba, len);
+ trace_scsi_disk_dma_command_READ(r->req.cmd.lba, len);
/* Protection information is not supported. For SCSI versions 2 and
* older (as determined by snooping the guest's INQUIRY commands),
* there is no RD/WR/VRPROTECT, so skip this check in these versions.
@@ -2177,7 +2165,7 @@ static int32_t scsi_disk_dma_command(SCSIRequest *req, uint8_t *buf)
scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
return 0;
}
- DPRINTF("Write %s(sector %" PRId64 ", count %u)\n",
+ trace_scsi_disk_dma_command_WRITE(
(command & 0xe) == 0xe ? "And Verify " : "",
r->req.cmd.lba, len);
/* fall through */
@@ -2515,6 +2503,22 @@ static const SCSIReqOps *const scsi_disk_reqops_dispatch[256] = {
[WRITE_VERIFY_16] = &scsi_disk_dma_reqops,
};
+static void scsi_disk_new_request_dump(uint32_t lun, uint32_t tag, uint8_t *buf)
+{
+ int i;
+ int len = scsi_cdb_length(buf);
+ char *line_buffer, *p;
+
+ line_buffer = g_malloc(len * 5 + 1);
+
+ for (i = 0, p = line_buffer; i < len; i++) {
+ p += sprintf(p, " 0x%02x", buf[i]);
+ }
+ trace_scsi_disk_new_request(lun, tag, line_buffer);
+
+ g_free(line_buffer);
+}
+
static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun,
uint8_t *buf, void *hba_private)
{
@@ -2530,16 +2534,9 @@ static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun,
}
req = scsi_req_alloc(ops, &s->qdev, tag, lun, hba_private);
-#ifdef DEBUG_SCSI
- DPRINTF("Command: lun=%d tag=0x%x data=0x%02x", lun, tag, buf[0]);
- {
- int i;
- for (i = 1; i < scsi_cdb_length(buf); i++) {
- printf(" 0x%02x", buf[i]);
- }
- printf("\n");
+ if (trace_event_get_state_backends(TRACE_SCSI_DISK_NEW_REQUEST)) {
+ scsi_disk_new_request_dump(lun, tag, buf);
}
-#endif
return req;
}
diff --git a/hw/scsi/trace-events b/hw/scsi/trace-events
index 2fe8a7c..dbd529e 100644
--- a/hw/scsi/trace-events
+++ b/hw/scsi/trace-events
@@ -292,3 +292,32 @@ lsi_execute_script_stop(void) "SCRIPTS execution stopped"
lsi_awoken(void) "Woken by SIGP"
lsi_reg_read(const char *name, int offset, uint8_t ret) "Read reg %s 0x%x = 0x%02x"
lsi_reg_write(const char *name, int offset, uint8_t val) "Write reg %s 0x%x = 0x%02x"
+
+# hw/scsi/scsi-disk.c
+scsi_disk_check_condition(uint32_t tag, uint8_t key, uint8_t asc, uint8_t ascq) "Command complete tag=0x%x sense=%d/%d/%d"
+scsi_disk_read_complete(uint32_t tag, size_t size) "Data ready tag=0x%x len=%zd"
+scsi_disk_read_data_count(uint32_t sector_count) "Read sector_count=%d"
+scsi_disk_read_data_invalid(void) "Data transfer direction invalid"
+scsi_disk_write_complete_noio(uint32_t tag, size_t size) "Write complete tag=0x%x more=%zd"
+scsi_disk_write_data_invalid(void) "Data transfer direction invalid"
+scsi_disk_emulate_vpd_page_00(size_t xfer) "Inquiry EVPD[Supported pages] buffer size %zd"
+scsi_disk_emulate_vpd_page_80_not_supported(void) "Inquiry (EVPD[Serial number] not supported"
+scsi_disk_emulate_vpd_page_80(size_t xfer) "Inquiry EVPD[Serial number] buffer size %zd"
+scsi_disk_emulate_vpd_page_83(size_t xfer) "Inquiry EVPD[Device identification] buffer size %zd"
+scsi_disk_emulate_vpd_page_b0_not_supported(void) "Inquiry (EVPD[Block limits] not supported for CDROM"
+scsi_disk_emulate_mode_sense(int cmd, int page, size_t xfer, int control) "Mode Sense(%d) (page %d, xfer %zd, page_control %d)"
+scsi_disk_emulate_read_toc(int start_track, int format, int msf) "Read TOC (track %d format %d msf %d)"
+scsi_disk_emulate_read_data(int buflen) "Read buf_len=%d"
+scsi_disk_emulate_write_data(int buflen) "Write buf_len=%d"
+scsi_disk_emulate_command_SAI_16(void) "SAI READ CAPACITY(16)"
+scsi_disk_emulate_command_SAI_unsupported(void) "Unsupported Service Action In"
+scsi_disk_emulate_command_SEEK_10(uint64_t lba) "Seek(10) (sector %" PRId64 ")"
+scsi_disk_emulate_command_MODE_SELECT(size_t xfer) "Mode Select(6) (len %zd)"
+scsi_disk_emulate_command_MODE_SELECT_10(size_t xfer) "Mode Select(10) (len %zd)"
+scsi_disk_emulate_command_UNMAP(size_t xfer) "Unmap (len %zd)"
+scsi_disk_emulate_command_VERIFY(int bytchk) "Verify (bytchk %d)"
+scsi_disk_emulate_command_WRITE_SAME(int cmd, size_t xfer) "WRITE SAME %d (len %zd)"
+scsi_disk_emulate_command_UNKNOWN(int cmd, const char *name) "Unknown SCSI command (0x%2.2x=%s)"
+scsi_disk_dma_command_READ(uint64_t lba, uint32_t len) "Read (sector %" PRId64 ", count %u)"
+scsi_disk_dma_command_WRITE(const char *cmd, uint64_t lba, int len) "Write %s(sector %" PRId64 ", count %u)"
+scsi_disk_new_request(uint32_t lun, uint32_t tag, const char *line) "Command: lun=%d tag=0x%x data=%s"
generated by cgit v1.1 at 2024-11-03 05:35:42 +0000