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trusty:storageproxyd: Add wakelock to the UFS commands am: 440bad0bdd 

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/15312385

Change-Id: Ibef57e04b61ee7a7fc35b4811aa4a10d0737a409
This commit is contained in:
Wenhao Wang 2021-07-17 00:47:06 +00:00 committed by Automerger Merge Worker
parent e94276a234 440bad0bdd
commit 51d8108034
2 changed files with 20 additions and 1 deletions
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5
trusty/storage/proxy/Android.bp
View File

@ -29,7 +29,10 @@ cc_binary {
"proxy.c",
],
shared_libs: ["liblog"],
shared_libs: [
"liblog",
"libhardware_legacy",
],
header_libs: ["libcutils_headers"],
static_libs: [

16
trusty/storage/proxy/rpmb.c
View File

@ -29,6 +29,8 @@
#include <linux/major.h>
#include <linux/mmc/ioctl.h>
#include <hardware_legacy/power.h>
#include "ipc.h"
#include "log.h"
#include "rpmb.h"
@ -100,6 +102,8 @@ static int rpmb_fd = -1;
static uint8_t read_buf[4096];
static enum dev_type dev_type = UNKNOWN_RPMB;
static const char* UFS_WAKE_LOCK_NAME = "ufs_seq_wakelock";
#ifdef RPMB_DEBUG
static void print_buf(const char* prefix, const uint8_t* buf, size_t size) {
@ -194,6 +198,7 @@ static int send_mmc_rpmb_req(int mmc_fd, const struct storage_rpmb_send_req* req
static int send_ufs_rpmb_req(int sg_fd, const struct storage_rpmb_send_req* req) {
int rc;
int wl_rc;
const uint8_t* write_buf = req->payload;
/*
* Meaning of member values are stated on the definition of struct sec_proto_cdb.
@ -202,6 +207,12 @@ static int send_ufs_rpmb_req(int sg_fd, const struct storage_rpmb_send_req* req)
struct sec_proto_cdb out_cdb = {0xB5, 0xEC, 0x00, 0x01, 0x00, 0x00, 0, 0x00, 0x00};
unsigned char sense_buffer[32];
wl_rc = acquire_wake_lock(PARTIAL_WAKE_LOCK, UFS_WAKE_LOCK_NAME);
if (wl_rc < 0) {
ALOGE("%s: failed to acquire wakelock: %d, %s\n", __func__, wl_rc, strerror(errno));
return wl_rc;
}
if (req->reliable_write_size) {
/* Prepare SECURITY PROTOCOL OUT command. */
out_cdb.length = __builtin_bswap32(req->reliable_write_size);
@ -244,6 +255,11 @@ static int send_ufs_rpmb_req(int sg_fd, const struct storage_rpmb_send_req* req)
}
err_op:
wl_rc = release_wake_lock(UFS_WAKE_LOCK_NAME);
if (wl_rc < 0) {
ALOGE("%s: failed to release wakelock: %d, %s\n", __func__, wl_rc, strerror(errno));
}
return rc;
}