{"id":816631,"url":"http://patchwork.ozlabs.org/api/patches/816631/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170921012037.553-3-jsnow@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170921012037.553-3-jsnow@redhat.com>","list_archive_url":null,"date":"2017-09-21T01:20:37","name":"[2/2] ide: generic ide_data_write","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"bb5ace54d3cdc4eb57902c4b4f88fef4388e490b","submitter":{"id":64343,"url":"http://patchwork.ozlabs.org/api/people/64343/?format=json","name":"John Snow","email":"jsnow@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170921012037.553-3-jsnow@redhat.com/mbox/","series":[{"id":4269,"url":"http://patchwork.ozlabs.org/api/series/4269/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=4269","date":"2017-09-21T01:20:35","name":"IDE: combine portio r/w functions","version":1,"mbox":"http://patchwork.ozlabs.org/series/4269/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/816631/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/816631/checks/","tags":{},"related":[],"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)","ext-mx04.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx04.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=jsnow@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xyJjX50b9z9s4q\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 21 Sep 2017 11:21:36 +1000 (AEST)","from localhost ([::1]:51326 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1duqBK-0008Kn-R2\n\tfor incoming@patchwork.ozlabs.org; Wed, 20 Sep 2017 21:21:34 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:40981)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <jsnow@redhat.com>) id 1duqAa-0008BW-F1\n\tfor qemu-devel@nongnu.org; Wed, 20 Sep 2017 21:20:49 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <jsnow@redhat.com>) id 1duqAZ-00073h-2q\n\tfor qemu-devel@nongnu.org; Wed, 20 Sep 2017 21:20:48 -0400","from mx1.redhat.com ([209.132.183.28]:43758)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <jsnow@redhat.com>)\n\tid 1duqAU-0006x0-Gz; Wed, 20 Sep 2017 21:20:42 -0400","from smtp.corp.redhat.com\n\t(int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id A560F80461;\n\tThu, 21 Sep 2017 01:20:41 +0000 (UTC)","from probe.bos.redhat.com (dhcp-17-130.bos.redhat.com\n\t[10.18.17.130])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 23CFE60BE6;\n\tThu, 21 Sep 2017 01:20:41 +0000 (UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com A560F80461","From":"John Snow <jsnow@redhat.com>","To":"qemu-block@nongnu.org","Date":"Wed, 20 Sep 2017 21:20:37 -0400","Message-Id":"<20170921012037.553-3-jsnow@redhat.com>","In-Reply-To":"<20170921012037.553-1-jsnow@redhat.com>","References":"<20170921012037.553-1-jsnow@redhat.com>","X-Scanned-By":"MIMEDefang 2.79 on 10.5.11.12","X-Greylist":"Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.28]);\n\tThu, 21 Sep 2017 01:20:41 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"209.132.183.28","Subject":"[Qemu-devel] [PATCH 2/2] ide: generic ide_data_write","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"<qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>","List-Archive":"<http://lists.nongnu.org/archive/html/qemu-devel/>","List-Post":"<mailto:qemu-devel@nongnu.org>","List-Help":"<mailto:qemu-devel-request@nongnu.org?subject=help>","List-Subscribe":"<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Cc":"John Snow <jsnow@redhat.com>, mark.cave-ayland@ilande.co.uk,\n\tqemu-devel@nongnu.org","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"},"content":"Signed-off-by: John Snow <jsnow@redhat.com>\n---\n hw/ide/core.c             | 86 +++++++++++++++++++++--------------------------\n hw/ide/trace-events       |  3 +-\n include/hw/ide/internal.h |  1 +\n 3 files changed, 40 insertions(+), 50 deletions(-)","diff":"diff --git a/hw/ide/core.c b/hw/ide/core.c\nindex 393f523..af49de5 100644\n--- a/hw/ide/core.c\n+++ b/hw/ide/core.c\n@@ -2266,6 +2266,42 @@ static bool ide_is_pio_out(IDEState *s)\n     abort();\n }\n \n+void ide_data_write(void *opaque, uint32_t addr, short nbytes, uint32_t val)\n+{\n+    IDEBus *bus = opaque;\n+    IDEState *s = idebus_active_if(bus);\n+    uint8_t *p;\n+\n+    trace_ide_data_write(addr, nbytes, val, bus, s);\n+\n+    /* PIO data access allowed only when DRQ bit is set. The result of a write\n+     * during PIO out is indeterminate, just ignore it. */\n+    if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) {\n+        return;\n+    }\n+\n+    if (nbytes != 2 && nbytes != 4) {\n+        return;\n+    }\n+\n+    p = s->data_ptr;\n+    if (p + nbytes > s->data_end) {\n+        return;\n+    }\n+\n+    if (nbytes == 2) {\n+        *(uint16_t *)p = le16_to_cpu(val);\n+    } else if (nbytes == 4) {\n+        *(uint32_t *)p = le32_to_cpu(val);\n+    }\n+    p += nbytes;\n+    s->data_ptr = p;\n+    if (p >= s->data_end) {\n+        s->status &= ~DRQ_STAT;\n+        s->end_transfer_func(s);\n+    }\n+}\n+\n uint32_t ide_data_read(void *opaque, uint32_t addr, short nbytes)\n {\n     IDEBus *bus = opaque;\n@@ -2311,30 +2347,7 @@ uint32_t ide_data_read(void *opaque, uint32_t addr, short nbytes)\n \n void ide_data_writew(void *opaque, uint32_t addr, uint32_t val)\n {\n-    IDEBus *bus = opaque;\n-    IDEState *s = idebus_active_if(bus);\n-    uint8_t *p;\n-\n-    trace_ide_data_writew(addr, val, bus, s);\n-\n-    /* PIO data access allowed only when DRQ bit is set. The result of a write\n-     * during PIO out is indeterminate, just ignore it. */\n-    if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) {\n-        return;\n-    }\n-\n-    p = s->data_ptr;\n-    if (p + 2 > s->data_end) {\n-        return;\n-    }\n-\n-    *(uint16_t *)p = le16_to_cpu(val);\n-    p += 2;\n-    s->data_ptr = p;\n-    if (p >= s->data_end) {\n-        s->status &= ~DRQ_STAT;\n-        s->end_transfer_func(s);\n-    }\n+    return ide_data_write(opaque, addr, 2, val);\n }\n \n uint32_t ide_data_readw(void *opaque, uint32_t addr)\n@@ -2344,30 +2357,7 @@ uint32_t ide_data_readw(void *opaque, uint32_t addr)\n \n void ide_data_writel(void *opaque, uint32_t addr, uint32_t val)\n {\n-    IDEBus *bus = opaque;\n-    IDEState *s = idebus_active_if(bus);\n-    uint8_t *p;\n-\n-    trace_ide_data_writel(addr, val, bus, s);\n-\n-    /* PIO data access allowed only when DRQ bit is set. The result of a write\n-     * during PIO out is indeterminate, just ignore it. */\n-    if (!(s->status & DRQ_STAT) || ide_is_pio_out(s)) {\n-        return;\n-    }\n-\n-    p = s->data_ptr;\n-    if (p + 4 > s->data_end) {\n-        return;\n-    }\n-\n-    *(uint32_t *)p = le32_to_cpu(val);\n-    p += 4;\n-    s->data_ptr = p;\n-    if (p >= s->data_end) {\n-        s->status &= ~DRQ_STAT;\n-        s->end_transfer_func(s);\n-    }\n+    return ide_data_write(opaque, addr, 4, val);\n }\n \n uint32_t ide_data_readl(void *opaque, uint32_t addr)\ndiff --git a/hw/ide/trace-events b/hw/ide/trace-events\nindex e42c428..e92c0bb 100644\n--- a/hw/ide/trace-events\n+++ b/hw/ide/trace-events\n@@ -7,9 +7,8 @@ ide_ioport_write(uint32_t addr, const char *reg, uint32_t val, void *bus, void *\n 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\"\n ide_cmd_write(uint32_t addr, uint32_t val, void *bus)                              \"IDE PIO wr @ 0x%\"PRIx32\" (Device Control); val 0x%02\"PRIx32\"; bus %p\"\n # Warning: verbose\n-ide_data_writew(uint32_t addr, uint32_t val, void *bus, void *s)                   \"IDE PIO wr @ 0x%\"PRIx32\" (Data: Word); val 0x%04\"PRIx32\"; bus %p; IDEState %p\"\n-ide_data_writel(uint32_t addr, uint32_t val, void *bus, void *s)                   \"IDE PIO wr @ 0x%\"PRIx32\" (Data: Long); val 0x%08\"PRIx32\"; bus %p; IDEState %p\"\n ide_data_read(uint32_t addr, short nbytes, uint32_t val, void *bus, void *s)       \"IDE PIO rd @ 0x%\"PRIx32\" (Data: %d bytes); val 0x%08\"PRIx32\"; bus %p; IDEState %p\"\n+ide_data_write(uint32_t addr, short nbytes, uint32_t val, void *bus, void *s)      \"IDE PIO wr @ 0x%\"PRIx32\" (Data: %d bytes); val 0x%08\"PRIx32\"; bus %p; IDEState %p\"\n \n # misc\n ide_exec_cmd(void *bus, void *state, uint32_t cmd) \"IDE exec cmd: bus %p; state %p; cmd 0x%02x\"\ndiff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h\nindex 3159c66..deb592d 100644\n--- a/include/hw/ide/internal.h\n+++ b/include/hw/ide/internal.h\n@@ -598,6 +598,7 @@ void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);\n uint32_t ide_ioport_read(void *opaque, uint32_t addr1);\n uint32_t ide_status_read(void *opaque, uint32_t addr);\n void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);\n+void ide_data_write(void *opaque, uint32_t addr, short nbytes, uint32_t val);\n void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);\n void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);\n uint32_t ide_data_read(void *opaque, uint32_t addr, short nbytes);\n","prefixes":["2/2"]}