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author | John Snow <jsnow@redhat.com> | 2017-09-18 15:01:25 -0400 |
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committer | John Snow <jsnow@redhat.com> | 2017-09-18 15:01:25 -0400 |
commit | 3eee2611dd89b2713eab4e33a6195add1fa6af32 (patch) | |
tree | bc06f91c5af08625226e3084a65c7d11fddf7916 | |
parent | 4c93950659487c7ad4f85571ee78524c1e3a94b3 (diff) | |
download | qemu-3eee2611dd89b2713eab4e33a6195add1fa6af32.zip qemu-3eee2611dd89b2713eab4e33a6195add1fa6af32.tar.gz qemu-3eee2611dd89b2713eab4e33a6195add1fa6af32.tar.bz2 |
IDE: replace DEBUG_IDE with tracing system
Remove the DEBUG_IDE preprocessor definition with something more
appropriately flexible, using the trace-events subsystem.
This will be less prone to bitrot and will more effectively allow
us to target just the functions we care about.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
-rw-r--r-- | Makefile.objs | 1 | ||||
-rw-r--r-- | hw/ide/cmd646.c | 10 | ||||
-rw-r--r-- | hw/ide/core.c | 65 | ||||
-rw-r--r-- | hw/ide/pci.c | 17 | ||||
-rw-r--r-- | hw/ide/piix.c | 11 | ||||
-rw-r--r-- | hw/ide/trace-events | 35 | ||||
-rw-r--r-- | hw/ide/via.c | 10 | ||||
-rw-r--r-- | include/hw/ide/internal.h | 1 |
8 files changed, 80 insertions, 70 deletions
diff --git a/Makefile.objs b/Makefile.objs index d9cf7ad..3a6914c 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -155,6 +155,7 @@ trace-events-subdirs += hw/acpi trace-events-subdirs += hw/arm trace-events-subdirs += hw/alpha trace-events-subdirs += hw/xen +trace-events-subdirs += hw/ide trace-events-subdirs += ui trace-events-subdirs += audio trace-events-subdirs += net diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c index 9ebb8d4..86b2a8f 100644 --- a/hw/ide/cmd646.c +++ b/hw/ide/cmd646.c @@ -32,6 +32,7 @@ #include "sysemu/dma.h" #include "hw/ide/pci.h" +#include "trace.h" /* CMD646 specific */ #define CFR 0x50 @@ -195,9 +196,8 @@ static uint64_t bmdma_read(void *opaque, hwaddr addr, val = 0xff; break; } -#ifdef DEBUG_IDE - printf("bmdma: readb " TARGET_FMT_plx " : 0x%02x\n", addr, val); -#endif + + trace_bmdma_read_cmd646(addr, val); return val; } @@ -211,9 +211,7 @@ static void bmdma_write(void *opaque, hwaddr addr, return; } -#ifdef DEBUG_IDE - printf("bmdma: writeb " TARGET_FMT_plx " : 0x%" PRIx64 "\n", addr, val); -#endif + trace_bmdma_write_cmd646(addr, val); switch(addr & 3) { case 0: bmdma_cmd_writeb(bm, val); diff --git a/hw/ide/core.c b/hw/ide/core.c index bea3953..31fd593 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -36,6 +36,7 @@ #include "qemu/cutils.h" #include "hw/ide/internal.h" +#include "trace.h" /* These values were based on a Seagate ST3500418AS but have been modified to make more sense in QEMU */ @@ -656,10 +657,7 @@ void ide_cancel_dma_sync(IDEState *s) * write requests) pending and we can avoid to drain. */ QLIST_FOREACH(req, &s->buffered_requests, list) { if (!req->orphaned) { -#ifdef DEBUG_IDE - printf("%s: invoking cb %p of buffered request %p with" - " -ECANCELED\n", __func__, req->original_cb, req); -#endif + trace_ide_cancel_dma_sync_buffered(req->original_cb, req); req->original_cb(req->original_opaque, -ECANCELED); } req->orphaned = true; @@ -678,9 +676,7 @@ void ide_cancel_dma_sync(IDEState *s) * aio operation with preadv/pwritev. */ if (s->bus->dma->aiocb) { -#ifdef DEBUG_IDE - printf("%s: draining all remaining requests", __func__); -#endif + trace_ide_cancel_dma_sync_remaining(); blk_drain(s->blk); assert(s->bus->dma->aiocb == NULL); } @@ -741,9 +737,7 @@ static void ide_sector_read(IDEState *s) n = s->req_nb_sectors; } -#if defined(DEBUG_IDE) - printf("sector=%" PRId64 "\n", sector_num); -#endif + trace_ide_sector_read(sector_num, n); if (!ide_sect_range_ok(s, sector_num, n)) { ide_rw_error(s); @@ -1005,14 +999,14 @@ static void ide_sector_write(IDEState *s) s->status = READY_STAT | SEEK_STAT | BUSY_STAT; sector_num = ide_get_sector(s); -#if defined(DEBUG_IDE) - printf("sector=%" PRId64 "\n", sector_num); -#endif + n = s->nsector; if (n > s->req_nb_sectors) { n = s->req_nb_sectors; } + trace_ide_sector_write(sector_num, n); + if (!ide_sect_range_ok(s, sector_num, n)) { ide_rw_error(s); block_acct_invalid(blk_get_stats(s->blk), BLOCK_ACCT_WRITE); @@ -1194,18 +1188,17 @@ static void ide_clear_hob(IDEBus *bus) void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) { IDEBus *bus = opaque; + IDEState *s = idebus_active_if(bus); + int reg_num = addr & 7; -#ifdef DEBUG_IDE - printf("IDE: write addr=0x%x val=0x%02x\n", addr, val); -#endif - - addr &= 7; + trace_ide_ioport_write(addr, val, bus, s); /* ignore writes to command block while busy with previous command */ - if (addr != 7 && (idebus_active_if(bus)->status & (BUSY_STAT|DRQ_STAT))) + if (reg_num != 7 && (s->status & (BUSY_STAT|DRQ_STAT))) { return; + } - switch(addr) { + switch (reg_num) { case 0: break; case 1: @@ -1261,9 +1254,7 @@ void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val) static void ide_reset(IDEState *s) { -#ifdef DEBUG_IDE - printf("ide: reset\n"); -#endif + trace_ide_reset(s); if (s->pio_aiocb) { blk_aio_cancel(s->pio_aiocb); @@ -2021,10 +2012,9 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) IDEState *s; bool complete; -#if defined(DEBUG_IDE) - printf("ide: CMD=%02x\n", val); -#endif s = idebus_active_if(bus); + trace_ide_exec_cmd(bus, s, val); + /* ignore commands to non existent slave */ if (s != bus->ifs && !s->blk) { return; @@ -2062,18 +2052,18 @@ void ide_exec_cmd(IDEBus *bus, uint32_t val) } } -uint32_t ide_ioport_read(void *opaque, uint32_t addr1) +uint32_t ide_ioport_read(void *opaque, uint32_t addr) { IDEBus *bus = opaque; IDEState *s = idebus_active_if(bus); - uint32_t addr; + uint32_t reg_num; int ret, hob; - addr = addr1 & 7; + reg_num = addr & 7; /* FIXME: HOB readback uses bit 7, but it's always set right now */ //hob = s->select & (1 << 7); hob = 0; - switch(addr) { + switch (reg_num) { case 0: ret = 0xff; break; @@ -2141,9 +2131,8 @@ uint32_t ide_ioport_read(void *opaque, uint32_t addr1) qemu_irq_lower(bus->irq); break; } -#ifdef DEBUG_IDE - printf("ide: read addr=0x%x val=%02x\n", addr1, ret); -#endif + + trace_ide_ioport_read(addr, ret, bus, s); return ret; } @@ -2159,9 +2148,8 @@ uint32_t ide_status_read(void *opaque, uint32_t addr) } else { ret = s->status; } -#ifdef DEBUG_IDE - printf("ide: read status addr=0x%x val=%02x\n", addr, ret); -#endif + + trace_ide_status_read(addr, ret, bus, s); return ret; } @@ -2171,9 +2159,8 @@ void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val) IDEState *s; int i; -#ifdef DEBUG_IDE - printf("ide: write control addr=0x%x val=%02x\n", addr, val); -#endif + trace_ide_cmd_write(addr, val, bus); + /* common for both drives */ if (!(bus->cmd & IDE_CMD_RESET) && (val & IDE_CMD_RESET)) { diff --git a/hw/ide/pci.c b/hw/ide/pci.c index 3cfb510..f2dcc0e 100644 --- a/hw/ide/pci.c +++ b/hw/ide/pci.c @@ -31,6 +31,7 @@ #include "sysemu/dma.h" #include "qemu/error-report.h" #include "hw/ide/pci.h" +#include "trace.h" #define BMDMA_PAGE_SIZE 4096 @@ -196,9 +197,7 @@ static void bmdma_reset(IDEDMA *dma) { BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma); -#ifdef DEBUG_IDE - printf("ide: dma_reset\n"); -#endif + trace_bmdma_reset(); bmdma_cancel(bm); bm->cmd = 0; bm->status = 0; @@ -227,9 +226,7 @@ static void bmdma_irq(void *opaque, int n, int level) void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val) { -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, val); -#endif + trace_bmdma_cmd_writeb(val); /* Ignore writes to SSBM if it keeps the old value */ if ((val & BM_CMD_START) != (bm->cmd & BM_CMD_START)) { @@ -258,9 +255,7 @@ static uint64_t bmdma_addr_read(void *opaque, hwaddr addr, uint64_t data; data = (bm->addr >> (addr * 8)) & mask; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, (unsigned)data); -#endif + trace_bmdma_addr_read(data); return data; } @@ -271,9 +266,7 @@ static void bmdma_addr_write(void *opaque, hwaddr addr, int shift = addr * 8; uint32_t mask = (1ULL << (width * 8)) - 1; -#ifdef DEBUG_IDE - printf("%s: 0x%08x\n", __func__, (unsigned)data); -#endif + trace_bmdma_addr_write(data); bm->addr &= ~(mask << shift); bm->addr |= ((data & mask) << shift) & ~3; } diff --git a/hw/ide/piix.c b/hw/ide/piix.c index 7e2d767..dfb21f6 100644 --- a/hw/ide/piix.c +++ b/hw/ide/piix.c @@ -33,6 +33,7 @@ #include "sysemu/dma.h" #include "hw/ide/pci.h" +#include "trace.h" static uint64_t bmdma_read(void *opaque, hwaddr addr, unsigned size) { @@ -54,9 +55,8 @@ static uint64_t bmdma_read(void *opaque, hwaddr addr, unsigned size) val = 0xff; break; } -#ifdef DEBUG_IDE - printf("bmdma: readb 0x%02x : 0x%02x\n", (uint8_t)addr, val); -#endif + + trace_bmdma_read(addr, val); return val; } @@ -69,9 +69,8 @@ static void bmdma_write(void *opaque, hwaddr addr, return; } -#ifdef DEBUG_IDE - printf("bmdma: writeb 0x%02x : 0x%02x\n", (uint8_t)addr, (uint8_t)val); -#endif + trace_bmdma_write(addr, val); + switch(addr & 3) { case 0: bmdma_cmd_writeb(bm, val); diff --git a/hw/ide/trace-events b/hw/ide/trace-events new file mode 100644 index 0000000..b9792812 --- /dev/null +++ b/hw/ide/trace-events @@ -0,0 +1,35 @@ +# See docs/devel/tracing.txt for syntax documentation. + +# hw/ide/core.c +# portio +ide_ioport_read(uint32_t addr, uint32_t val, void *bus, void *s) "IDE PIO rd @ 0x%"PRIx32"; val 0x%02"PRIx32"; bus %p IDEState %p" +ide_ioport_write(uint32_t addr, uint32_t val, void *bus, void *s) "IDE PIO wr @ 0x%"PRIx32"; val 0x%02"PRIx32"; bus %p IDEState %p" +ide_status_read(uint32_t addr, uint32_t val, void *bus, void *s) "IDE PIO rd @ 0x%"PRIx32" (Alt Status); val 0x%02"PRIx32"; bus %p; IDEState %p" +ide_cmd_write(uint32_t addr, uint32_t val, void *bus) "IDE PIO wr @ 0x%"PRIx32" (Device Control); val 0x%02"PRIx32"; bus %p" +# misc +ide_exec_cmd(void *bus, void *state, uint32_t cmd) "IDE exec cmd: bus %p; state %p; cmd 0x%02x" +ide_cancel_dma_sync_buffered(void *fn, void *req) "invoking cb %p of buffered request %p with -ECANCELED" +ide_cancel_dma_sync_remaining(void) "draining all remaining requests" +ide_sector_read(int64_t sector_num, int nsectors) "sector=%"PRId64" nsectors=%d" +ide_sector_write(int64_t sector_num, int nsectors) "sector=%"PRId64" nsectors=%d" +ide_reset(void *s) "IDEstate %p" + +# BMDMA HBAs: + +# hw/ide/cmd646.c +bmdma_read_cmd646(uint64_t addr, uint32_t val) "bmdma: readb 0x%"PRIx64" : 0x%02x" +bmdma_write_cmd646(uint64_t addr, uint64_t val) "bmdma: writeb 0x%"PRIx64" : 0x%02"PRIx64 + +# hw/ide/pci.c +bmdma_reset(void) "" +bmdma_cmd_writeb(uint32_t val) "val: 0x%08x" +bmdma_addr_read(uint64_t data) "data: 0x%016"PRIx64 +bmdma_addr_write(uint64_t data) "data: 0x%016"PRIx64 + +# hw/ide/piix.c +bmdma_read(uint64_t addr, uint8_t val) "bmdma: readb 0x%"PRIx64" : 0x%02x" +bmdma_write(uint64_t addr, uint64_t val) "bmdma: writeb 0x%"PRIx64" : 0x%02"PRIx64 + +# hw/ide/via.c +bmdma_read_via(uint64_t addr, uint32_t val) "bmdma: readb 0x%"PRIx64" : 0x%02x" +bmdma_write_via(uint64_t addr, uint64_t val) "bmdma: writeb 0x%"PRIx64" : 0x%02"PRIx64 diff --git a/hw/ide/via.c b/hw/ide/via.c index 5b32ecb..35c3059 100644 --- a/hw/ide/via.c +++ b/hw/ide/via.c @@ -33,6 +33,7 @@ #include "sysemu/dma.h" #include "hw/ide/pci.h" +#include "trace.h" static uint64_t bmdma_read(void *opaque, hwaddr addr, unsigned size) @@ -55,9 +56,8 @@ static uint64_t bmdma_read(void *opaque, hwaddr addr, val = 0xff; break; } -#ifdef DEBUG_IDE - printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val); -#endif + + trace_bmdma_read_via(addr, val); return val; } @@ -70,9 +70,7 @@ static void bmdma_write(void *opaque, hwaddr addr, return; } -#ifdef DEBUG_IDE - printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val); -#endif + trace_bmdma_write_via(addr, val); switch (addr & 3) { case 0: bmdma_cmd_writeb(bm, val); diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h index 482a951..4a92f0a 100644 --- a/include/hw/ide/internal.h +++ b/include/hw/ide/internal.h @@ -14,7 +14,6 @@ #include "block/scsi.h" /* debug IDE devices */ -//#define DEBUG_IDE //#define DEBUG_IDE_ATAPI //#define DEBUG_AIO #define USE_DMA_CDROM |