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Commit 47258303 authored by Manoj Prabhu B's avatar Manoj Prabhu B
Browse files

diag: Add support for querying supported peripheral information 



The patch adds support for an IOCTL querying the supported
peripheral information in present kernel version.

Change-Id: I2c1533b5f0cc2ec7826db8a07e8bd68724d02569
Signed-off-by: default avatarManoj Prabhu B <bmanoj@codeaurora.org>
parent c426bc6f

drivers/char/diag/diagchar.h

+5 −0
Original line number Diff line number Diff line
@@ -473,6 +473,11 @@ struct diag_logging_mode_param_t { 
	int peripheral;

} __packed;



struct diag_con_all_param_t {

	uint32_t diag_con_all;

	uint32_t num_peripherals;

};



struct diag_md_session_t {

	int pid;

	int peripheral_mask;

drivers/char/diag/diagchar_core.c

+20 −0
Original line number Diff line number Diff line
@@ -2480,6 +2480,7 @@ long diagchar_compat_ioctl(struct file *filp, 
	uint16_t remote_dev;

	struct diag_dci_client_tbl *dci_client = NULL;

	struct diag_logging_mode_param_t mode_param;

	struct diag_con_all_param_t con_param;



	switch (iocmd) {

	case DIAG_IOCTL_COMMAND_REG:
@@ -2598,6 +2599,15 @@ long diagchar_compat_ioctl(struct file *filp, 
			return -EFAULT;

		result = diag_ioctl_query_pd_logging(&mode_param);

		break;

	case DIAG_IOCTL_QUERY_CON_ALL:

		con_param.diag_con_all = DIAG_CON_ALL;

		con_param.num_peripherals = NUM_PERIPHERALS;

		if (copy_to_user((void __user *)ioarg, &con_param,

				sizeof(struct diag_con_all_param_t)))

			result = -EFAULT;

		else

			result = 0;

		break;

	}

	return result;

}
@@ -2612,6 +2622,7 @@ long diagchar_ioctl(struct file *filp, 
	uint16_t remote_dev;

	struct diag_dci_client_tbl *dci_client = NULL;

	struct diag_logging_mode_param_t mode_param;

	struct diag_con_all_param_t con_param;



	switch (iocmd) {

	case DIAG_IOCTL_COMMAND_REG:
@@ -2730,6 +2741,15 @@ long diagchar_ioctl(struct file *filp, 
			return -EFAULT;

		result = diag_ioctl_query_pd_logging(&mode_param);

		break;

	case DIAG_IOCTL_QUERY_CON_ALL:

		con_param.diag_con_all = DIAG_CON_ALL;

		con_param.num_peripherals = NUM_PERIPHERALS;

		if (copy_to_user((void __user *)ioarg, &con_param,

				sizeof(struct diag_con_all_param_t)))

			result = -EFAULT;

		else

			result = 0;

		break;

	}

	return result;

}

include/linux/diagchar.h

+1 −0
Original line number Diff line number Diff line
@@ -66,6 +66,7 @@ 
#define DIAG_IOCTL_REGISTER_CALLBACK	37

#define DIAG_IOCTL_HDLC_TOGGLE	38

#define DIAG_IOCTL_QUERY_PD_LOGGING	39

#define DIAG_IOCTL_QUERY_CON_ALL	40



/* PC Tools IDs */

#define APQ8060_TOOLS_ID	4062