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Commit 60e3bc14 authored by Skylar Chang's avatar Skylar Chang
Browse files

msm: ipa: add ioctl to get ipa hw version 



Add ioctl for user space to get ipa hw version

Change-Id: Iba207623126f641324fbcf174bddd46552f489de
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent 9fffca4f

drivers/platform/msm/ipa/ipa_v2/ipa.c

+14 −0
Original line number Diff line number Diff line
@@ -1037,6 +1037,20 @@ static long ipa_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 
		}

		break;



	case IPA_IOC_GET_HW_VERSION:

		pyld_sz = sizeof(enum ipa_hw_type);

		param = kzalloc(pyld_sz, GFP_KERNEL);

		if (!param) {

			retval = -ENOMEM;

			break;

		}

		memcpy(param, &ipa_ctx->ipa_hw_type, pyld_sz);

		if (copy_to_user((u8 *)arg, param, pyld_sz)) {

			retval = -EFAULT;

			break;

		}

		break;



	default:        /* redundant, as cmd was checked against MAXNR */

		ipa_dec_client_disable_clks();

		return -ENOTTY;

drivers/platform/msm/ipa/ipa_v3/ipa.c

+14 −0
Original line number Diff line number Diff line
@@ -1088,6 +1088,20 @@ static long ipa3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 
		}

		break;



	case IPA_IOC_GET_HW_VERSION:

		pyld_sz = sizeof(enum ipa_hw_type);

		param = kzalloc(pyld_sz, GFP_KERNEL);

		if (!param) {

			retval = -ENOMEM;

			break;

		}

		memcpy(param, &ipa3_ctx->ipa_hw_type, pyld_sz);

		if (copy_to_user((u8 *)arg, param, pyld_sz)) {

			retval = -EFAULT;

			break;

		}

		break;



	default:        /* redundant, as cmd was checked against MAXNR */

		ipa3_dec_client_disable_clks();

		return -ENOTTY;

include/uapi/linux/msm_ipa.h

+6 −1
Original line number Diff line number Diff line
@@ -67,7 +67,8 @@ 
#define IPA_IOCTL_MDFY_RT_RULE 42

#define IPA_IOCTL_ADD_RT_RULE_AFTER 43

#define IPA_IOCTL_ADD_FLT_RULE_AFTER 44

#define IPA_IOCTL_MAX 45

#define IPA_IOCTL_GET_HW_VERSION 45

#define IPA_IOCTL_MAX 46



/**

 * max size of the header to be inserted
@@ -1553,6 +1554,10 @@ enum ipacm_client_enum { 
				IPA_IOCTL_DEL_HDR_PROC_CTX, \

				struct ipa_ioc_del_hdr_proc_ctx *)



#define IPA_IOC_GET_HW_VERSION _IOWR(IPA_IOC_MAGIC, \

				IPA_IOCTL_GET_HW_VERSION, \

				enum ipa_hw_type *)



/*

 * unique magic number of the Tethering bridge ioctls

 */