From: Vikram Garhwal <fnu.vikram@xilinx.com>
To: <xen-devel@lists.xenproject.org>
Cc: <sstabellini@kernel.org>, <julien@xen.org>,
<bertrand.marquis@arm.com>, <volodymyr_babchuk@epam.com>,
Vikram Garhwal <fnu.vikram@xilinx.com>,
Ian Jackson <iwj@xenproject.org>, Wei Liu <wl@xen.org>,
Anthony PERARD <anthony.perard@citrix.com>
Subject: [XEN][RFC PATCH v2 12/12] tools/xl: Add new xl command overlay
Date: Mon, 8 Nov 2021 23:02:27 -0800 [thread overview]
Message-ID: <1636441347-133850-13-git-send-email-fnu.vikram@xilinx.com> (raw)
In-Reply-To: <1636441347-133850-1-git-send-email-fnu.vikram@xilinx.com>
Signed-off-by: Vikram Garhwal <fnu.vikram@xilinx.com>
---
tools/xl/xl.h | 8 ++++++++
tools/xl/xl_cmdtable.c | 8 ++++++++
tools/xl/xl_vmcontrol.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 63 insertions(+)
diff --git a/tools/xl/xl.h b/tools/xl/xl.h
index 7e23f30..2ee75a0 100644
--- a/tools/xl/xl.h
+++ b/tools/xl/xl.h
@@ -98,6 +98,11 @@ struct save_file_header {
#define SAVEFILE_BYTEORDER_VALUE ((uint32_t)0x01020304UL)
+#if defined (CONFIG_OVERLAY_DTB)
+#define XL_DT_OVERLAY_ADD 1
+#define XL_DT_OVERLAY_REMOVE 2
+#endif
+
void save_domain_core_begin(uint32_t domid,
int preserve_domid,
const char *override_config_file,
@@ -140,6 +145,9 @@ int main_shutdown(int argc, char **argv);
int main_reboot(int argc, char **argv);
int main_list(int argc, char **argv);
int main_vm_list(int argc, char **argv);
+#if defined (CONFIG_OVERLAY_DTB)
+int main_dt_overlay(int argc, char **argv);
+#endif
int main_create(int argc, char **argv);
int main_config_update(int argc, char **argv);
int main_button_press(int argc, char **argv);
diff --git a/tools/xl/xl_cmdtable.c b/tools/xl/xl_cmdtable.c
index 661323d..dd43920 100644
--- a/tools/xl/xl_cmdtable.c
+++ b/tools/xl/xl_cmdtable.c
@@ -20,6 +20,14 @@
#include "xl.h"
const struct cmd_spec cmd_table[] = {
+#if defined (CONFIG_OVERLAY_DTB)
+ { "overlay",
+ &main_dt_overlay, 1, 1,
+ "Add/Remove a device tree overlay",
+ "add/remove <.dtbo>"
+ "-h print this help\n"
+ },
+#endif
{ "create",
&main_create, 1, 1,
"Create a domain from config file <filename>",
diff --git a/tools/xl/xl_vmcontrol.c b/tools/xl/xl_vmcontrol.c
index 435155a..88c8e66 100644
--- a/tools/xl/xl_vmcontrol.c
+++ b/tools/xl/xl_vmcontrol.c
@@ -1262,6 +1262,53 @@ int main_create(int argc, char **argv)
return 0;
}
+#if defined (CONFIG_OVERLAY_DTB)
+int main_dt_overlay(int argc, char **argv)
+{
+ const char *overlay_ops = argv[1];
+ const char *overlay_config_file = argv[2];
+ void *overlay_dtb = NULL;
+ int rc;
+ uint8_t op;
+ int overlay_dtb_size = 0;
+
+ if (overlay_ops == NULL) {
+ fprintf(stderr, "No overlay operation mode provided\n");
+ return ERROR_FAIL;
+ }
+
+ if (strcmp(overlay_ops, "add") == 0)
+ op = XL_DT_OVERLAY_ADD;
+ else if (strcmp(overlay_ops, "remove") == 0)
+ op = XL_DT_OVERLAY_REMOVE;
+ else {
+ fprintf(stderr, "Invalid dt overlay operation\n");
+ return ERROR_FAIL;
+ }
+
+ if (overlay_config_file) {
+ rc = libxl_read_file_contents(ctx, overlay_config_file,
+ &overlay_dtb, &overlay_dtb_size);
+
+ if (rc) {
+ fprintf(stderr, "failed to read the overlay device tree file %s\n",
+ overlay_config_file);
+ free(overlay_dtb);
+ return ERROR_FAIL;
+ }
+ } else {
+ fprintf(stderr, "overlay dtbo file not provided\n");
+ return ERROR_FAIL;
+ }
+
+ rc = libxl_dt_overlay(ctx, overlay_dtb, overlay_dtb_size, op);
+ if (rc)
+ fprintf(stderr, "Overlay operation failed\n");
+
+ free(overlay_dtb);
+ return rc;
+}
+#endif
/*
* Local variables:
* mode: C
--
2.7.4
prev parent reply other threads:[~2021-11-09 7:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-09 7:02 [XEN][RFC PATCH v2 00/12] dynamic node programming using overlay dtbo Vikram Garhwal
2021-11-09 7:02 ` [XEN][RFC PATCH v2 01/12] device tree: Remove __init from function type Vikram Garhwal
2021-11-09 7:02 ` [XEN][RFC PATCH v2 02/12] xen: arm: Add CONFIG_OVERLAY_DTB Vikram Garhwal
2021-12-22 14:02 ` Julien Grall
2021-11-09 7:02 ` [XEN][RFC PATCH v2 03/12] libfdt: Keep fdt functions after init for CONFIG_OVERLAY_DTB Vikram Garhwal
2021-11-09 11:10 ` Jan Beulich
2021-12-22 14:03 ` Julien Grall
2021-11-09 7:02 ` [XEN][RFC PATCH v2 04/12] libfdt: Add fdt_ prefix to overlay_get_target() Vikram Garhwal
2021-12-22 14:07 ` Julien Grall
2021-11-09 7:02 ` [XEN][RFC PATCH v2 05/12] device tree: Add _dt_find_node_by_path() to find nodes in device tree Vikram Garhwal
2021-11-09 7:02 ` [XEN][RFC PATCH v2 06/12] xen/smmu: Add remove_device callback for smmu_iommu ops Vikram Garhwal
2021-12-22 14:31 ` Julien Grall
2021-11-09 7:02 ` [XEN][RFC PATCH v2 07/12] " Vikram Garhwal
2021-12-22 14:38 ` Julien Grall
2021-11-09 7:02 ` [XEN][RFC PATCH v2 08/12] xen/arm: Implement device tree node removal functionalities Vikram Garhwal
2021-11-09 11:16 ` Jan Beulich
2021-12-22 16:13 ` Julien Grall
2021-12-24 0:45 ` Stefano Stabellini
2021-11-09 7:02 ` [XEN][RFC PATCH v2 09/12] xen/arm: Implement device tree node addition functionalities Vikram Garhwal
2021-11-09 11:19 ` Jan Beulich
2021-11-09 17:55 ` Vikram Garhwal
2021-11-09 7:02 ` [XEN][RFC PATCH v2 10/12] tools/libs/ctrl: Implement new xc interfaces for dt overlay Vikram Garhwal
2021-11-11 16:54 ` Anthony PERARD
2021-11-11 19:46 ` Vikram Garhwal
2021-11-12 14:21 ` Anthony PERARD
2021-11-09 7:02 ` [XEN][RFC PATCH v2 11/12] tools/libs/light: Implement new libxl functions for device tree overlay ops Vikram Garhwal
2021-11-11 16:44 ` Anthony PERARD
2021-11-09 7:02 ` Vikram Garhwal [this message]
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