From nobody Mon Feb 9 03:13:32 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1504225460547517.2418839850461; Thu, 31 Aug 2017 17:24:20 -0700 (PDT) Received: from localhost ([::1]:34864 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnZkw-0007Sf-RT for importer@patchew.org; Thu, 31 Aug 2017 20:24:18 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51806) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dnZco-0000Qa-Gv for qemu-devel@nongnu.org; Thu, 31 Aug 2017 20:15:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dnZcn-00050n-6t for qemu-devel@nongnu.org; Thu, 31 Aug 2017 20:15:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48250) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dnZcj-0004sF-DU; Thu, 31 Aug 2017 20:15:49 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8019F1E2F8; Fri, 1 Sep 2017 00:15:48 +0000 (UTC) Received: from probe.bos.redhat.com (dhcp-17-130.bos.redhat.com [10.18.17.130]) by smtp.corp.redhat.com (Postfix) with ESMTP id B19ACC14AB; Fri, 1 Sep 2017 00:15:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 8019F1E2F8 Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=jsnow@redhat.com From: John Snow To: qemu-block@nongnu.org Date: Thu, 31 Aug 2017 20:15:01 -0400 Message-Id: <20170901001502.29915-9-jsnow@redhat.com> In-Reply-To: <20170901001502.29915-1-jsnow@redhat.com> References: <20170901001502.29915-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Fri, 01 Sep 2017 00:15:48 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 8/9] AHCI: pretty-print FIS to buffer instead of stderr X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: John Snow , qemu-devel@nongnu.org, stefanha@redhat.com, f4bug@amsat.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 --- 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 82cc196..6c98047 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); } =20 -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 =3D g_string_new("FIS:"); =20 - fprintf(stderr, "fis:"); for (i =3D 0; i < cmd_len; i++) { if ((i & 0xf) =3D=3D 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); } =20 static bool ahci_map_fis_address(AHCIDevice *ad) @@ -1201,7 +1202,11 @@ static void handle_reg_h2d_fis(AHCIState *s, int por= t, * table to ide_state->io_buffer */ if (opts & AHCI_CMD_ATAPI) { memcpy(ide_state->io_buffer, &cmd_fis[AHCI_COMMAND_TABLE_ACMD], 0x= 10); - debug_print_fis(ide_state->io_buffer, 0x10); + if (trace_event_get_state_backends(TRACE_HANDLE_REG_H2D_FIS_DUMP))= { + char *pretty_fis =3D ahci_pretty_buffer_fis(ide_state->io_buff= er, 0x10); + trace_handle_reg_h2d_fis_dump(s, port, pretty_fis); + g_free(pretty_fis); + } s->dev[port].done_atapi_packet =3D 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 =3D 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 don= e" ahci_reset(void *s) "ahci(%p): HBA reset" allwinner_ahci_mem_read(void *s, void *a, uint64_t addr, uint64_t val, uns= igned size) "ahci(%p): read a=3D%p addr=3D0x%"HWADDR_PRIx" val=3D0x%"PRIx64= ", size=3D%d" allwinner_ahci_mem_write(void *s, void *a, uint64_t addr, uint64_t val, un= signed size) "ahci(%p): write a=3D%p addr=3D0x%"HWADDR_PRIx" val=3D0x%"PRIx= 64", size=3D%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" --=20 2.9.5