[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 4/9] bootdevice: Add interface to gather LCHS
From: |
John Snow |
Subject: |
[PULL 4/9] bootdevice: Add interface to gather LCHS |
Date: |
Thu, 31 Oct 2019 06:58:59 -0400 |
From: Sam Eiderman <address@hidden>
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 <address@hidden>
Reviewed-by: Arbel Moshe <address@hidden>
Signed-off-by: Sam Eiderman <address@hidden>
Signed-off-by: Sam Eiderman <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Tested-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: John Snow <address@hidden>
---
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
- [PULL 0/9] Ide patches, John Snow, 2019/10/31
- [PULL 1/9] IDE: deprecate ide-drive, John Snow, 2019/10/31
- [PULL 2/9] block: Refactor macros - fix tabbing, John Snow, 2019/10/31
- [PULL 3/9] block: Support providing LCHS from user, John Snow, 2019/10/31
- [PULL 4/9] bootdevice: Add interface to gather LCHS,
John Snow <=
- [PULL 5/9] scsi: Propagate unrealize() callback to scsi-hd, John Snow, 2019/10/31
- [PULL 6/9] bootdevice: Gather LCHS from all relevant devices, John Snow, 2019/10/31
- [PULL 7/9] bootdevice: Refactor get_boot_devices_list, John Snow, 2019/10/31
- [PULL 8/9] bootdevice: FW_CFG interface for LCHS values, John Snow, 2019/10/31
- [PULL 9/9] hd-geo-test: Add tests for lchs override, John Snow, 2019/10/31
- Re: [libvirt] [PULL 0/9] Ide patches, no-reply, 2019/10/31
- Re: [PULL 0/9] Ide patches, Peter Maydell, 2019/10/31