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authorzhanghailiang <zhang.zhanghailiang@huawei.com>2015-01-22 10:40:04 +0800
committerMichael Roth <mdroth@linux.vnet.ibm.com>2015-02-17 16:16:40 -0600
commit32ca7927c7d66371abafb4cabfab9438a5905784 (patch)
tree142d7994e71011f4fba1e6d7e73a8c1a02b5f576 /qga
parentbd240fca42d5f072fb758a71720d9de9990ac553 (diff)
qga: implement qmp_guest_set_memory_blocks() for Linux with sysfs
We can change guest's online/offline state of memory blocks, by using command 'guest-set-memory-blocks'. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'qga')
-rw-r--r--qga/commands-posix.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 5d4101dc79..0fd5d959d2 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -2232,7 +2232,35 @@ GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
GuestMemoryBlockResponseList *
qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
{
- error_set(errp, QERR_UNSUPPORTED);
+ GuestMemoryBlockResponseList *head, **link;
+ Error *local_err = NULL;
+
+ head = NULL;
+ link = &head;
+
+ while (mem_blks != NULL) {
+ GuestMemoryBlockResponse *result;
+ GuestMemoryBlockResponseList *entry;
+ GuestMemoryBlock *current_mem_blk = mem_blks->value;
+
+ result = g_malloc0(sizeof(*result));
+ result->phys_index = current_mem_blk->phys_index;
+ transfer_memory_block(current_mem_blk, false, result, &local_err);
+ if (local_err) { /* should never happen */
+ goto err;
+ }
+ entry = g_malloc0(sizeof *entry);
+ entry->value = result;
+
+ *link = entry;
+ link = &entry->next;
+ mem_blks = mem_blks->next;
+ }
+
+ return head;
+err:
+ qapi_free_GuestMemoryBlockResponseList(head);
+ error_propagate(errp, local_err);
return NULL;
}