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[Qemu-devel] [PULL 10/11] AHCI: pretty-print FIS to buffer instead of st
From: |
John Snow |
Subject: |
[Qemu-devel] [PULL 10/11] AHCI: pretty-print FIS to buffer instead of stderr |
Date: |
Fri, 15 Sep 2017 21:03:29 -0400 |
The current FIS printing routines dump the FIS to screen. adjust this
such that it dumps to buffer instead, then use this ability to have
FIS dump mechanisms via trace-events instead of compiled defines.
Signed-off-by: John Snow <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Message-id: address@hidden
Signed-off-by: John Snow <address@hidden>
---
hw/ide/ahci.c | 28 ++++++++++++++++++----------
hw/ide/trace-events | 4 ++++
2 files changed, 22 insertions(+), 10 deletions(-)
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 2dfcab9..dfc05be 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -644,20 +644,21 @@ static void ahci_reset_port(AHCIState *s, int port)
ahci_init_d2h(d);
}
-static void debug_print_fis(uint8_t *fis, int cmd_len)
+/* Buffer pretty output based on a raw FIS structure. */
+static char *ahci_pretty_buffer_fis(uint8_t *fis, int cmd_len)
{
-#if DEBUG_AHCI
int i;
+ GString *s = g_string_new("FIS:");
- fprintf(stderr, "fis:");
for (i = 0; i < cmd_len; i++) {
if ((i & 0xf) == 0) {
- fprintf(stderr, "\n%02x:",i);
+ g_string_append_printf(s, "\n0x%02x: ", i);
}
- fprintf(stderr, "%02x ",fis[i]);
+ g_string_append_printf(s, "%02x ", fis[i]);
}
- fprintf(stderr, "\n");
-#endif
+ g_string_append_c(s, '\n');
+
+ return g_string_free(s, FALSE);
}
static bool ahci_map_fis_address(AHCIDevice *ad)
@@ -1201,7 +1202,11 @@ static void handle_reg_h2d_fis(AHCIState *s, int port,
* table to ide_state->io_buffer */
if (opts & AHCI_CMD_ATAPI) {
memcpy(ide_state->io_buffer, &cmd_fis[AHCI_COMMAND_TABLE_ACMD], 0x10);
- debug_print_fis(ide_state->io_buffer, 0x10);
+ if (trace_event_get_state_backends(TRACE_HANDLE_REG_H2D_FIS_DUMP)) {
+ char *pretty_fis = ahci_pretty_buffer_fis(ide_state->io_buffer,
0x10);
+ trace_handle_reg_h2d_fis_dump(s, port, pretty_fis);
+ g_free(pretty_fis);
+ }
s->dev[port].done_atapi_packet = false;
/* XXX send PIO setup FIS */
}
@@ -1256,8 +1261,11 @@ static int handle_cmd(AHCIState *s, int port, uint8_t
slot)
trace_handle_cmd_badmap(s, port, cmd_len);
goto out;
}
- debug_print_fis(cmd_fis, 0x80);
-
+ if (trace_event_get_state_backends(TRACE_HANDLE_CMD_FIS_DUMP)) {
+ char *pretty_fis = ahci_pretty_buffer_fis(cmd_fis, 0x80);
+ trace_handle_cmd_fis_dump(s, port, pretty_fis);
+ g_free(pretty_fis);
+ }
switch (cmd_fis[0]) {
case SATA_FIS_TYPE_REGISTER_H2D:
handle_reg_h2d_fis(s, port, slot, cmd_fis);
diff --git a/hw/ide/trace-events b/hw/ide/trace-events
index e15fd77..601bd97 100644
--- a/hw/ide/trace-events
+++ b/hw/ide/trace-events
@@ -105,3 +105,7 @@ ahci_cmd_done(void *s, int port) "ahci(%p)[%d]: cmd done"
ahci_reset(void *s) "ahci(%p): HBA reset"
allwinner_ahci_mem_read(void *s, void *a, uint64_t addr, uint64_t val,
unsigned size) "ahci(%p): read a=%p addr=0x%"HWADDR_PRIx" val=0x%"PRIx64",
size=%d"
allwinner_ahci_mem_write(void *s, void *a, uint64_t addr, uint64_t val,
unsigned size) "ahci(%p): write a=%p addr=0x%"HWADDR_PRIx" val=0x%"PRIx64",
size=%d"
+
+# Warning: Verbose
+handle_reg_h2d_fis_dump(void *s, int port, const char *fis) "ahci(%p)[%d]: %s"
+handle_cmd_fis_dump(void *s, int port, const char *fis) "ahci(%p)[%d]: %s"
--
2.9.5
- [Qemu-devel] [PULL 00/11] Ide patches, John Snow, 2017/09/15
- [Qemu-devel] [PULL 02/11] hw/ide/microdrive: Mark the dscm1xxxx device with user_creatable = false, John Snow, 2017/09/15
- [Qemu-devel] [PULL 04/11] IDE: Add register hints to tracing, John Snow, 2017/09/15
- [Qemu-devel] [PULL 03/11] IDE: replace DEBUG_IDE with tracing system, John Snow, 2017/09/15
- [Qemu-devel] [PULL 10/11] AHCI: pretty-print FIS to buffer instead of stderr,
John Snow <=
- [Qemu-devel] [PULL 09/11] AHCI: Rework IRQ constants, John Snow, 2017/09/15
- [Qemu-devel] [PULL 05/11] IDE: add tracing for data ports, John Snow, 2017/09/15
- [Qemu-devel] [PULL 01/11] ide: ahci: unparent children buses before freeing their memory, John Snow, 2017/09/15
- [Qemu-devel] [PULL 06/11] ATAPI: Replace DEBUG_IDE_ATAPI with tracing events, John Snow, 2017/09/15
- [Qemu-devel] [PULL 07/11] IDE: replace DEBUG_AIO with trace events, John Snow, 2017/09/15
- [Qemu-devel] [PULL 11/11] AHCI: remove DPRINTF macro, John Snow, 2017/09/15
- [Qemu-devel] [PULL 08/11] AHCI: Replace DPRINTF with trace-events, John Snow, 2017/09/15
- Re: [Qemu-devel] [PULL 00/11] Ide patches, no-reply, 2017/09/15
- Re: [Qemu-devel] [PULL 00/11] Ide patches, Peter Maydell, 2017/09/16