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authorCorvin Köhne <corvink@FreeBSD.org>2022-06-27 09:05:42 +0000
committerCorvin Köhne <corvink@FreeBSD.org>2023-04-11 07:29:54 +0000
commitb0efaef285d6f154a3994aebdc722c81b8aab7c1 (patch)
tree30eab4167f76a6dd63dab8dff05f8a8294168f94
parent1412836cbd5bd9e6e828bb6e4dedb51aaa1c512c (diff)
downloadsrc-b0efaef285d6f154a3994aebdc722c81b8aab7c1.tar.gz
src-b0efaef285d6f154a3994aebdc722c81b8aab7c1.zip
bhyve: add QEMU_FWCFG_INDEX_NB_CPUS item
Requested-by: OVMF (qemu) Reviewed by: markj MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D39316 (cherry picked from commit e46be58cca6bd180dadfb36e98a673ae6d8d2cd1) bhyve: add missing include to qemu_fwcfg.c Fixes: e46be58cca6bd180dadfb36e98a673ae6d8d2cd1 ("bhyve: add QEMU_FWCFG_INDEX_NB_CPUS item") MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG (cherry picked from commit 76fa62b5232e67ef10476cf1329aaceb9cbc2ff5)
-rw-r--r--usr.sbin/bhyve/qemu_fwcfg.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/qemu_fwcfg.c b/usr.sbin/bhyve/qemu_fwcfg.c
index bb86d0371985..a93b37027142 100644
--- a/usr.sbin/bhyve/qemu_fwcfg.c
+++ b/usr.sbin/bhyve/qemu_fwcfg.c
@@ -16,6 +16,7 @@
#include <string.h>
#include "acpi_device.h"
+#include "bhyverun.h"
#include "inout.h"
#include "pci_lpc.h"
#include "qemu_fwcfg.h"
@@ -42,6 +43,7 @@
#define QEMU_FWCFG_INDEX_SIGNATURE 0x00
#define QEMU_FWCFG_INDEX_ID 0x01
+#define QEMU_FWCFG_INDEX_NB_CPUS 0x05
#define QEMU_FWCFG_INDEX_FILE_DIR 0x19
#define QEMU_FWCFG_FIRST_FILE_INDEX 0x20
@@ -226,6 +228,20 @@ qemu_fwcfg_add_item_id(void)
}
static int
+qemu_fwcfg_add_item_nb_cpus(void)
+{
+ uint16_t *fwcfg_max_cpus = calloc(1, sizeof(uint16_t));
+ if (fwcfg_max_cpus == NULL) {
+ return (ENOMEM);
+ }
+
+ *fwcfg_max_cpus = htole16(guest_ncpus);
+
+ return (qemu_fwcfg_add_item(QEMU_FWCFG_ARCHITECTURE_GENERIC,
+ QEMU_FWCFG_INDEX_NB_CPUS, sizeof(uint16_t), fwcfg_max_cpus));
+}
+
+static int
qemu_fwcfg_add_item_signature(void)
{
struct qemu_fwcfg_signature *const fwcfg_signature = calloc(1,
@@ -406,6 +422,10 @@ qemu_fwcfg_init(struct vmctx *const ctx)
warnx("%s: Unable to add id item", __func__);
goto done;
}
+ if ((error = qemu_fwcfg_add_item_nb_cpus()) != 0) {
+ warnx("%s: Unable to add nb_cpus item", __func__);
+ goto done;
+ }
if ((error = qemu_fwcfg_add_item_file_dir()) != 0) {
warnx("%s: Unable to add file_dir item", __func__);
goto done;