[libvirt] [PULL v2 4/9] bootdevice: Add interface to gather LCHS

From: Sam Eiderman <shmuel.eiderman(a)oracle.com&gt; 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(a)oracle.com&gt; Reviewed-by: Arbel Moshe <arbel.moshe(a)oracle.com&gt; Signed-off-by: Sam Eiderman <shmuel.eiderman(a)oracle.com&gt; Signed-off-by: Sam Eiderman <sameid(a)google.com&gt; Reviewed-by: Philippe Mathieu-Daudé <philmd(a)redhat.com&gt; Tested-by: Philippe Mathieu-Daudé <philmd(a)redhat.com&gt; Signed-off-by: John Snow <jsnow(a)redhat.com&gt; --- 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