From: John Snow <jsnow@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org
Cc: "Fam Zheng" <fam@euphon.net>, "Kevin Wolf" <kwolf@redhat.com>,
"Thomas Huth" <thuth@redhat.com>,
qemu-block@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>,
"Laurent Vivier" <lvivier@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>,
"Arbel Moshe" <arbel.moshe@oracle.com>,
"Max Reitz" <mreitz@redhat.com>, "John Snow" <jsnow@redhat.com>,
"Gonglei (Arei)" <arei.gonglei@huawei.com>,
"Sam Eiderman" <shmuel.eiderman@oracle.com>,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Laszlo Ersek" <lersek@redhat.com>,
"Karl Heubaum" <karl.heubaum@oracle.com>
Subject: [PULL v2 3/8] bootdevice: Add interface to gather LCHS
Date: Thu, 3 Oct 2019 15:32:40 -0400 [thread overview]
Message-ID: <20191003193245.8993-4-jsnow@redhat.com> (raw)
In-Reply-To: <20191003193245.8993-1-jsnow@redhat.com>
From: Sam Eiderman <shmuel.eiderman@oracle.com>
Add an interface to provide direct logical CHS values for boot devices.
We will use this interface in the next commits.
Reviewed-by: Karl Heubaum <karl.heubaum@oracle.com>
Reviewed-by: Arbel Moshe <arbel.moshe@oracle.com>
Signed-off-by: Sam Eiderman <shmuel.eiderman@oracle.com>
Message-id: 20190925110639.100699-4-sameid@google.com
Signed-off-by: John Snow <jsnow@redhat.com>
---
include/sysemu/sysemu.h | 3 +++
bootdevice.c | 55 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 58 insertions(+)
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 44f18eb739..5bc5c79cbc 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -103,6 +103,9 @@ void device_add_bootindex_property(Object *obj, int32_t *bootindex,
DeviceState *dev, Error **errp);
void restore_boot_order(void *opaque);
void validate_bootdevices(const char *devices, Error **errp);
+void add_boot_device_lchs(DeviceState *dev, const char *suffix,
+ uint32_t lcyls, uint32_t lheads, uint32_t lsecs);
+void del_boot_device_lchs(DeviceState *dev, const char *suffix);
/* handler to set the boot_device order for a specific type of MachineClass */
typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
diff --git a/bootdevice.c b/bootdevice.c
index 1d225202f9..bc5e1c2de4 100644
--- a/bootdevice.c
+++ b/bootdevice.c
@@ -343,3 +343,58 @@ void device_add_bootindex_property(Object *obj, int32_t *bootindex,
/* initialize devices' bootindex property to -1 */
object_property_set_int(obj, -1, name, NULL);
}
+
+typedef struct FWLCHSEntry FWLCHSEntry;
+
+struct FWLCHSEntry {
+ QTAILQ_ENTRY(FWLCHSEntry) link;
+ DeviceState *dev;
+ char *suffix;
+ uint32_t lcyls;
+ uint32_t lheads;
+ uint32_t lsecs;
+};
+
+static QTAILQ_HEAD(, FWLCHSEntry) fw_lchs =
+ QTAILQ_HEAD_INITIALIZER(fw_lchs);
+
+void add_boot_device_lchs(DeviceState *dev, const char *suffix,
+ uint32_t lcyls, uint32_t lheads, uint32_t lsecs)
+{
+ FWLCHSEntry *node;
+
+ if (!lcyls && !lheads && !lsecs) {
+ return;
+ }
+
+ assert(dev != NULL || suffix != NULL);
+
+ node = g_malloc0(sizeof(FWLCHSEntry));
+ node->suffix = g_strdup(suffix);
+ node->dev = dev;
+ node->lcyls = lcyls;
+ node->lheads = lheads;
+ node->lsecs = lsecs;
+
+ QTAILQ_INSERT_TAIL(&fw_lchs, node, link);
+}
+
+void del_boot_device_lchs(DeviceState *dev, const char *suffix)
+{
+ FWLCHSEntry *i;
+
+ if (dev == NULL) {
+ return;
+ }
+
+ QTAILQ_FOREACH(i, &fw_lchs, link) {
+ if ((!suffix || !g_strcmp0(i->suffix, suffix)) &&
+ i->dev == dev) {
+ QTAILQ_REMOVE(&fw_lchs, i, link);
+ g_free(i->suffix);
+ g_free(i);
+
+ break;
+ }
+ }
+}
--
2.21.0
next prev parent reply other threads:[~2019-10-03 19:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-03 19:32 [PULL v2 0/8] Ide patches John Snow
2019-10-03 19:32 ` [PULL v2 1/8] block: Refactor macros - fix tabbing John Snow
2019-10-03 19:32 ` [PULL v2 2/8] block: Support providing LCHS from user John Snow
2019-10-03 19:32 ` John Snow [this message]
2019-10-03 19:32 ` [PULL v2 4/8] scsi: Propagate unrealize() callback to scsi-hd John Snow
2019-10-03 19:32 ` [PULL v2 5/8] bootdevice: Gather LCHS from all relevant devices John Snow
2019-10-03 19:32 ` [PULL v2 6/8] bootdevice: Refactor get_boot_devices_list John Snow
2019-10-03 19:32 ` [PULL v2 7/8] bootdevice: FW_CFG interface for LCHS values John Snow
2019-10-03 19:32 ` [PULL v2 8/8] hd-geo-test: Add tests for lchs override John Snow
2019-10-03 20:48 ` [PULL v2 0/8] Ide patches no-reply
2019-10-07 12:33 ` Peter Maydell
2019-10-07 17:35 ` John Snow
2019-10-07 17:55 ` Philippe Mathieu-Daudé
2019-10-08 21:58 ` Laszlo Ersek
2019-10-08 22:55 ` Laszlo Ersek
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