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Merge "msm: ADSPRPC: Handle third party applications"

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This commit is contained in:
qctecmdr 2020-12-08 09:27:14 -08:00 • committed by Gerrit - the friendly Code Review server
commit d6ba2746fc
1 changed files with 31 additions and 4 deletions
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35
drivers/char/adsprpc.c
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@ -198,7 +198,19 @@
/* Fastrpc remote process attributes */
enum fastrpc_proc_attr {
FASTRPC_MODE_UNSIGNED_MODULE = (1 << 3),
/* Macro for Debug attr */
FASTRPC_MODE_DEBUG = 1 << 0,
/* Macro for Ptrace */
FASTRPC_MODE_PTRACE = 1 << 1,
/* Macro for CRC Check */
FASTRPC_MODE_CRC = 1 << 2,
/* Macro for Unsigned PD */
FASTRPC_MODE_UNSIGNED_MODULE = 1 << 3,
/* Macro for Adaptive QoS */
FASTRPC_MODE_ADAPTIVE_QOS = 1 << 4,
/* Macro for System Process */
FASTRPC_MODE_SYSTEM_PROCESS = 1 << 5,
/* Macro for Prvileged Process */
FASTRPC_MODE_PRIVILEGED = (1 << 6),
};
@ -3752,6 +3764,9 @@ static int fastrpc_init_process(struct fastrpc_file *fl,
{
int err = 0;
struct fastrpc_ioctl_init *init = &uproc->init;
int cid = fl->cid;
struct fastrpc_apps *me = &gfa;
struct fastrpc_channel_ctx *chan = &me->channel[cid];
VERIFY(err, init->filelen < INIT_FILELEN_MAX
&& init->memlen < INIT_MEMLEN_MAX);
@ -3766,6 +3781,16 @@ static int fastrpc_init_process(struct fastrpc_file *fl,
goto bail;
}
if (chan->unsigned_support && fl->dev_minor == MINOR_NUM_DEV) {
/* Make sure third party applications */
/* can spawn only unsigned PD when */
/* channel configured as secure. */
if (chan->secure && !(uproc->attrs & FASTRPC_MODE_UNSIGNED_MODULE)) {
err = -ECONNREFUSED;
goto bail;
}
}
err = fastrpc_channel_open(fl);
if (err)
goto bail;
@ -5419,6 +5444,7 @@ static int fastrpc_get_info(struct fastrpc_file *fl, uint32_t *info)
{
int err = 0;
uint32_t cid;
struct fastrpc_apps *me = &gfa;
VERIFY(err, fl != NULL);
if (err)
@ -5427,8 +5453,9 @@ static int fastrpc_get_info(struct fastrpc_file *fl, uint32_t *info)
err = fastrpc_set_process_info(fl);
if (err)
goto bail;
cid = *info;
if (fl->cid == -1) {
cid = *info;
struct fastrpc_channel_ctx *chan = &me->channel[cid];
VERIFY(err, cid < NUM_CHANNELS);
if (err) {
err = -ECHRNG;
@ -5443,8 +5470,8 @@ static int fastrpc_get_info(struct fastrpc_file *fl, uint32_t *info)
* offload. Untrusted apps will be restricted from
* offloading to signed PD using DSP HAL.
*/
if (fl->apps->channel[cid].secure == SECURE_CHANNEL
&& !fl->apps->channel[cid].unsigned_support) {
if (chan->secure == SECURE_CHANNEL
&& !chan->unsigned_support) {
ADSPRPC_ERR(
"cannot use domain %d with non-secure device\n",
cid);