diff options
| author | Zhen Kong <zkong@codeaurora.org> | 2016-10-31 12:51:26 -0700 |
|---|---|---|
| committer | Zhen Kong <zkong@codeaurora.org> | 2016-12-22 17:54:34 -0800 |
| commit | c9153d1ae836f4509f9e9347289d8b9cd0aed2b9 (patch) | |
| tree | 89f4efcde35c627719bd1e565fbc64cbf7b29eaf /drivers/misc | |
| parent | 9c8924dbaadbb194f6d0bf30fa7fafde20ec096c (diff) | |
qseecom: support listener request for smcinvoke
Add a new kernel API to support listener service for smcinvoke.
Change-Id: Ifeed957b99d2becd986629f60e145d6fdb717244
Signed-off-by: Zhen Kong <zkong@codeaurora.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/qseecom.c | 34 | ||||
| -rw-r--r-- | drivers/misc/qseecom_kernel.h | 2 |
2 files changed, 36 insertions, 0 deletions
diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c index 3402a1b581cf..97e69d1ae9e9 100644 --- a/drivers/misc/qseecom.c +++ b/drivers/misc/qseecom.c @@ -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; diff --git a/drivers/misc/qseecom_kernel.h b/drivers/misc/qseecom_kernel.h index ca0205560875..8f981903c3a1 100644 --- a/drivers/misc/qseecom_kernel.h +++ b/drivers/misc/qseecom_kernel.h @@ -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_ */ |