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SUSE:SLE-15-SP2:GA
qemu-linux-user
0159-scsi-disk-Convert-from-DPRINTF-macr.patch
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File 0159-scsi-disk-Convert-from-DPRINTF-macr.patch of Package qemu-linux-user
From: Laurent Vivier <lvivier@redhat.com> Date: Tue, 11 Dec 2018 17:31:04 +0100 Subject: scsi-disk: Convert from DPRINTF() macro to trace events MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Git-commit: 59ee9500022cfdc79c2bcf51a82d02f5e4ec21d1 References: bsc#1178049 Signed-off-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20181211163105.31834-2-lvivier@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/scsi/scsi-disk.c | 103 +++++++++++++++++++++---------------------- hw/scsi/trace-events | 29 ++++++++++++ 2 files changed, 79 insertions(+), 53 deletions(-) diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index f767559b4bfe6ec16f414d13d721..056c73cd8ef3ab9de6a53c116915 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; } @@ -504,7 +496,7 @@ 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); } @@ -542,7 +534,7 @@ 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; } @@ -607,8 +599,7 @@ 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 */ @@ -626,7 +617,7 @@ 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; } @@ -635,8 +626,7 @@ 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; @@ -651,8 +641,7 @@ static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf) if (id_len > max_len) { id_len = max_len; } - DPRINTF("Inquiry EVPD[Device identification] " - "buffer size %zd\n", req->cmd.xfer); + trace_scsi_disk_emulate_vpd_page_83(req->cmd.xfer); outbuf[buflen++] = 0x2; /* ASCII */ outbuf[buflen++] = 0; /* not officially assigned */ @@ -697,8 +686,7 @@ 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; @@ -1245,8 +1233,9 @@ 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; @@ -1338,7 +1327,7 @@ 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: @@ -1397,7 +1386,7 @@ 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); @@ -1816,7 +1805,7 @@ 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; @@ -2025,7 +2014,7 @@ 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) { @@ -2063,7 +2052,7 @@ 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. */ @@ -2073,37 +2062,36 @@ 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; } @@ -2156,7 +2144,7 @@ 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. @@ -2181,7 +2169,7 @@ 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 */ @@ -2499,6 +2487,22 @@ 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) { @@ -2514,16 +2518,9 @@ 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 0fb6a99616b58e6a02fd1a052cce..e9625f790cb257f686cf2460ee86 100644 --- a/hw/scsi/trace-events +++ b/hw/scsi/trace-events @@ -291,3 +291,32 @@ 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"
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