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qseecom: support listener request for smcinvoke

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Add a new kernel API to support listener service for smcinvoke.

Change-Id: Ifeed957b99d2becd986629f60e145d6fdb717244
Signed-off-by: Zhen Kong <zkong@codeaurora.org>
This commit is contained in:
Zhen Kong 2016-10-31 12:51:26 -07:00
parent 9c8924dbaa
commit c9153d1ae8
2 changed files with 36 additions and 0 deletions
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34
drivers/misc/qseecom.c
View file

@ -4361,6 +4361,40 @@ int qseecom_set_bandwidth(struct qseecom_handle *handle, bool high)
}
EXPORT_SYMBOL(qseecom_set_bandwidth);
int qseecom_process_listener_from_smcinvoke(struct scm_desc *desc)
{
struct qseecom_registered_app_list dummy_app_entry = { {0} };
struct qseecom_dev_handle dummy_private_data = {0};
struct qseecom_command_scm_resp resp;
int ret = 0;
if (!desc) {
pr_err("desc is NULL\n");
return -EINVAL;
}
resp.result = desc->ret[0]; /*req_cmd*/
resp.resp_type = desc->ret[1]; /*app_id*/
resp.data = desc->ret[2]; /*listener_id*/
dummy_private_data.client.app_id = desc->ret[1];
dummy_app_entry.app_id = desc->ret[1];
mutex_lock(&app_access_lock);
ret = __qseecom_process_reentrancy(&resp, &dummy_app_entry,
&dummy_private_data);
mutex_unlock(&app_access_lock);
if (ret)
pr_err("Failed to req cmd %d lsnr %d on app %d, ret = %d\n",
(int)desc->ret[0], (int)desc->ret[2],
(int)desc->ret[1], ret);
desc->ret[0] = resp.result;
desc->ret[1] = resp.resp_type;
desc->ret[2] = resp.data;
return ret;
}
EXPORT_SYMBOL(qseecom_process_listener_from_smcinvoke);
static int qseecom_send_resp(void)
{
qseecom.send_resp_flag = 1;

2
drivers/misc/qseecom_kernel.h
View file

@ -14,6 +14,7 @@
#define __QSEECOM_KERNEL_H_
#include <linux/types.h>
#include <soc/qcom/scm.h>
#define QSEECOM_ALIGN_SIZE 0x40
#define QSEECOM_ALIGN_MASK (QSEECOM_ALIGN_SIZE - 1)
@ -38,5 +39,6 @@ int qseecom_shutdown_app(struct qseecom_handle **handle);
int qseecom_send_command(struct qseecom_handle *handle, void *send_buf,
uint32_t sbuf_len, void *resp_buf, uint32_t rbuf_len);
int qseecom_set_bandwidth(struct qseecom_handle *handle, bool high);
int qseecom_process_listener_from_smcinvoke(struct scm_desc *desc);
#endif /* __QSEECOM_KERNEL_H_ */