gxp: [Copybara Auto Merge] Merge branch 'gs201-u' into 'android13-gs-pixel-5.10-udc'android-u-beta-2_r0.4android-u-beta-2_r0.3android-u-beta-2_r0.2

gcip: fixup: Use devm_* for gcip-pm
Bug: 265870718
gcip: Use devm_* for gcip-pm
Bug: 265870718 (repeat)
gcip: Remove the start log of async power down
Bug: 265870718 (repeat)
gcip: Add firmware dynamic tracing support
Bug: 262916889
gcip: Add PM support
Bug: 265870718 (repeat)
GCIP_MAIN_REV_ID: c359c8b4c8e11ff2655dbfd8457605b760db383c
gxp: remove redundant domain_attach from vd resume
Bug: 269587251
gxp: bump version 1.10
Bug: 269587251 (repeat)
gxp: move domain detach to block_unready
Bug: 269587251 (repeat)
gxp: add mcu_crashed flag to gxp_virtual_device
Bug: 269587251 (repeat)
gxp: use MCU PSM to handle MCU fw crash
Bug: 264621513
gxp: add IDs to VD suspend/resume log
gxp: skip suspend/resume in full MCU mode
Bug: 269717931
gxp: load core FW only once per image
Bug: 267713927
gxp: Adopt GCIP PM
Bug: 265870718 (repeat)
gxp: Log the clients with a wakelock in gxp_platform_suspend
Bug: 265870718 (repeat)
gxp: Remove suspended from gxp_wakelock_manager
Bug: 265870718 (repeat)
gxp: support loading DSP core FW in raw binary format
Bug: 259215977
gxp: introduce gxp_vd_invalidate_with_client_id
Bug: 263994153
gxp: introduce gxp_vd_generate_debug_dump
Bug: 263994153 (repeat)
gxp: move vd_invalid_eventfd from client to vd
Bug: 263994153 (repeat)
gxp: gxp_vd_block_unready needs vd_semaphore write lock
Bug: 263994153 (repeat)
gxp: bump to version 1.9
Bug: 245751727
Bug: 268449263
gxp: unittest: add a unittest for gxp_mapping_iova_log
Bug: 245751727 (repeat)
gxp: Add a module flag to enable IOVA-space logging
Bug: 245751727 (repeat)
gxp: introduce debug_dump_lock per vd
Bug: 234172464
gxp: gxp_vd_{run,stop} holds vd_sema for writing
Bug: 234172464 (repeat)
gxp: pass vd to the static functions of debug dump
Bug: 234172464 (repeat)
gcip: Add a comment about suspend/resume in gcip-pm
Bug: 265870718 (repeat)
gcip: Add firmware dynamic tracing header
Bug: 262916889 (repeat)
gcip: Add PM header
Bug: 265870718 (repeat)
GCIP_HEADERS_REV_ID: 21105099cc4be7a0fec32f06f34cce5026015601
GitOrigin-RevId: 775c7ff3381a68301beb1d3b790d0954e211244c
Change-Id: I9637cc7a2ef6bc3b8b184035834ac1ab13ebafb4

1 files changed, 35 insertions, 0 deletions

diff --git a/gxp-mapping.c b/gxp-mapping.c
index 0188fad..398ff05 100644
--- a/gxp-mapping.c
+++ b/gxp-mapping.c
@@ -6,16 +6,51 @@
  */
 
 #include <linux/dma-mapping.h>
+#include <linux/ktime.h>
 #include <linux/mm.h>
 #include <linux/mmap_lock.h>
+#include <linux/moduleparam.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 
+#include "gxp-client.h"
 #include "gxp-debug-dump.h"
 #include "gxp-dma.h"
 #include "gxp-internal.h"
 #include "gxp-mapping.h"
 
+#if IS_ENABLED(CONFIG_GXP_TEST)
+/* expose this variable to have unit tests set it dynamically */
+bool gxp_log_iova;
+#else
+static bool gxp_log_iova;
+#endif
+
+module_param_named(log_iova, gxp_log_iova, bool, 0660);
+
+void gxp_mapping_iova_log(struct gxp_client *client, struct gxp_mapping *map,
+			  u8 mask)
+{
+	static bool is_first_log = true;
+	struct device *dev = client->gxp->dev;
+	const char *op = mask & GXP_IOVA_LOG_MAP ? "MAP" : "UNMAP";
+	const char *buf_type = mask & GXP_IOVA_LOG_DMABUF ? "DMABUF" : "BUFFER";
+
+	if (likely(!gxp_log_iova))
+		return;
+
+	if (is_first_log) {
+		dev_info(
+			dev,
+			"iova_log_start: operation, buf_type, tgid, pid, host_address, device_address, size");
+		is_first_log = false;
+	}
+
+	dev_info(dev, "iova_log: %s, %s, %d, %d, %#llx, %#llx, %zu", op,
+		 buf_type, client->pid, client->tgid, map->host_address,
+		 map->device_address, map->size);
+}
+
 /* Destructor for a mapping created with `gxp_mapping_create()` */
 static void destroy_mapping(struct gxp_mapping *mapping)
 {