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Commit d6300c3d authored by Sathish Ambley's avatar Sathish Ambley Committed by Gerrit - the friendly Code Review server
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msm: ADSPRPC: Attributes to process creation on remote processor 



Allow creating user process on remote processor with attributes
to be used during process creation for debugging purposes.

Change-Id: I63081f8ed44bd8e86392d82018ce4e632284c6ed
Acked-by: default avatarViswanatham Paduchuri <vpaduchu@qti.qualcomm.com>
Signed-off-by: default avatarSathish Ambley <sathishambley@codeaurora.org>
parent a32a6398

drivers/char/adsprpc.c

+27 −6
Original line number Diff line number Diff line
@@ -1421,10 +1421,11 @@ static int fastrpc_internal_invoke(struct fastrpc_file *fl, uint32_t mode, 
}



static int fastrpc_init_process(struct fastrpc_file *fl,

				struct fastrpc_ioctl_init *init)

				struct fastrpc_ioctl_init_attrs *uproc)

{

	int err = 0;

	struct fastrpc_ioctl_invoke_attrs ioctl;

	struct fastrpc_ioctl_init *init = &uproc->init;

	struct smq_phy_page pages[1];

	struct fastrpc_mmap *file = 0, *mem = 0;
@@ -1445,14 +1446,16 @@ static int fastrpc_init_process(struct fastrpc_file *fl, 
		if (err)

			goto bail;

	} else if (init->flags == FASTRPC_INIT_CREATE) {

		remote_arg_t ra[4];

		int fds[4];

		remote_arg_t ra[6];

		int fds[6];

		int mflags = 0;

		struct {

			int pgid;

			int namelen;

			int filelen;

			int pageslen;

			int attrs;

			int siglen;

		} inbuf;



		inbuf.pgid = current->tgid;
@@ -1489,8 +1492,20 @@ static int fastrpc_init_process(struct fastrpc_file *fl, 
		ra[3].buf.len = 1 * sizeof(*pages);

		fds[3] = 0;



		inbuf.attrs = uproc->attrs;

		ra[4].buf.pv = (void *)&(inbuf.attrs);

		ra[4].buf.len = sizeof(inbuf.attrs);

		fds[4] = 0;



		inbuf.siglen = uproc->siglen;

		ra[5].buf.pv = (void *)&(inbuf.siglen);

		ra[5].buf.len = sizeof(inbuf.siglen);

		fds[5] = 0;



		ioctl.inv.handle = 1;

		ioctl.inv.sc = REMOTE_SCALARS_MAKE(6, 4, 0);

		if (uproc->attrs)

			ioctl.inv.sc = REMOTE_SCALARS_MAKE(7, 6, 0);

		ioctl.inv.pra = ra;

		ioctl.fds = fds;

		ioctl.attrs = 0;
@@ -2024,7 +2039,7 @@ static long fastrpc_device_ioctl(struct file *file, unsigned int ioctl_num, 
		struct fastrpc_ioctl_invoke_attrs inv;

		struct fastrpc_ioctl_mmap mmap;

		struct fastrpc_ioctl_munmap munmap;

		struct fastrpc_ioctl_init init;

		struct fastrpc_ioctl_init_attrs init;

		struct fastrpc_ioctl_perf perf;

	} p;

	void *param = (char *)ioctl_param;
@@ -2120,8 +2135,14 @@ static long fastrpc_device_ioctl(struct file *file, unsigned int ioctl_num, 
			goto bail;

		break;

	case FASTRPC_IOCTL_INIT:

		VERIFY(err, 0 == copy_from_user(&p.init, param,

						sizeof(p.init)));

		p.init.attrs = 0;

		p.init.siglen = 0;

		size = sizeof(struct fastrpc_ioctl_init);

		/* fall through */

	case FASTRPC_IOCTL_INIT_ATTRS:

		if (!size)

			size = sizeof(struct fastrpc_ioctl_init_attrs);

		VERIFY(err, 0 == copy_from_user(&p.init, param, size));

		if (err)

			goto bail;

		VERIFY(err, 0 == fastrpc_init_process(fl, &p.init));

drivers/char/adsprpc_compat.c

+44 −21
Original line number Diff line number Diff line
@@ -34,6 +34,8 @@ 
		_IOWR('R', 7, struct compat_fastrpc_ioctl_invoke_attrs)

#define COMPAT_FASTRPC_IOCTL_GETPERF \

		_IOWR('R', 9, struct compat_fastrpc_ioctl_perf)

#define COMPAT_FASTRPC_IOCTL_INIT_ATTRS \

		_IOWR('R', 10, struct compat_fastrpc_ioctl_init_attrs)



struct compat_remote_buf {

	compat_uptr_t pv;	/* buffer pointer */
@@ -85,6 +87,12 @@ struct compat_fastrpc_ioctl_init { 
	compat_int_t memfd;	/* ION fd for the mem */

};



struct compat_fastrpc_ioctl_init_attrs {

	struct compat_fastrpc_ioctl_init init;

	compat_int_t attrs;	/* attributes to init process */

	compat_int_t siglen;	/* test signature file length */

};



struct compat_fastrpc_ioctl_perf {	/* kernel performance data */

	compat_uptr_t  data;

	compat_int_t numkeys;
@@ -214,28 +222,41 @@ static int compat_get_fastrpc_ioctl_perf( 
}



static int compat_get_fastrpc_ioctl_init(

			struct compat_fastrpc_ioctl_init __user *init32,

			struct fastrpc_ioctl_init __user *init)

			struct compat_fastrpc_ioctl_init_attrs __user *init32,

			struct fastrpc_ioctl_init_attrs __user *init,

			unsigned int cmd)

{

	compat_uint_t u;

	compat_uptr_t p;

	compat_int_t i;

	int err;



	err = get_user(u, &init32->flags);

	err |= put_user(u, &init->flags);

	err |= get_user(p, &init32->file);

	err |= put_user(p, &init->file);

	err |= get_user(i, &init32->filelen);

	err |= put_user(i, &init->filelen);

	err |= get_user(i, &init32->filefd);

	err |= put_user(i, &init->filefd);

	err |= get_user(p, &init32->mem);

	err |= put_user(p, &init->mem);

	err |= get_user(i, &init32->memlen);

	err |= put_user(i, &init->memlen);

	err |= get_user(i, &init32->memfd);

	err |= put_user(i, &init->memfd);

	err = get_user(u, &init32->init.flags);

	err |= put_user(u, &init->init.flags);

	err |= get_user(p, &init32->init.file);

	err |= put_user(p, &init->init.file);

	err |= get_user(i, &init32->init.filelen);

	err |= put_user(i, &init->init.filelen);

	err |= get_user(i, &init32->init.filefd);

	err |= put_user(i, &init->init.filefd);

	err |= get_user(p, &init32->init.mem);

	err |= put_user(p, &init->init.mem);

	err |= get_user(i, &init32->init.memlen);

	err |= put_user(i, &init->init.memlen);

	err |= get_user(i, &init32->init.memfd);

	err |= put_user(i, &init->init.memfd);



	err |= put_user(0, &init->attrs);

	if (cmd == COMPAT_FASTRPC_IOCTL_INIT_ATTRS) {

		err |= get_user(i, &init32->attrs);

		err |= put_user(i, (compat_uptr_t *)&init->attrs);

	}



	err |= put_user(0, &init->siglen);

	if (cmd == COMPAT_FASTRPC_IOCTL_INIT_ATTRS) {

		err |= get_user(i, &init32->siglen);

		err |= put_user(i, (compat_uptr_t *)&init->siglen);

	}



	return err;

}
@@ -303,9 +324,11 @@ long compat_fastrpc_device_ioctl(struct file *filp, unsigned int cmd, 
							(unsigned long)unmap);

	}

	case COMPAT_FASTRPC_IOCTL_INIT:

		/* fall through */

	case COMPAT_FASTRPC_IOCTL_INIT_ATTRS:

	{

		struct compat_fastrpc_ioctl_init __user *init32;

		struct fastrpc_ioctl_init __user *init;

		struct compat_fastrpc_ioctl_init_attrs __user *init32;

		struct fastrpc_ioctl_init_attrs __user *init;



		init32 = compat_ptr(arg);

		VERIFY(err, NULL != (init = compat_alloc_user_space(
@@ -313,11 +336,11 @@ long compat_fastrpc_device_ioctl(struct file *filp, unsigned int cmd, 
		if (err)

			return -EFAULT;

		VERIFY(err, 0 == compat_get_fastrpc_ioctl_init(init32,

							init));

							init, cmd));

		if (err)

			return err;

		return filp->f_op->unlocked_ioctl(filp, FASTRPC_IOCTL_INIT,

							(unsigned long)init);

		return filp->f_op->unlocked_ioctl(filp,

			 FASTRPC_IOCTL_INIT_ATTRS, (unsigned long)init);

	}

	case FASTRPC_IOCTL_GETINFO:

	{

drivers/char/adsprpc_shared.h

+7 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
				_IOWR('R', 7, struct fastrpc_ioctl_invoke_attrs)

#define FASTRPC_IOCTL_GETINFO	_IOWR('R', 8, uint32_t)

#define FASTRPC_IOCTL_GETPERF	_IOWR('R', 9, struct fastrpc_ioctl_perf)

#define FASTRPC_IOCTL_INIT_ATTRS _IOWR('R', 10, struct fastrpc_ioctl_init_attrs)



#define FASTRPC_GLINK_GUID "fastrpcglink-apps-dsp"

#define FASTRPC_SMD_GUID "fastrpcsmd-apps-dsp"
@@ -165,6 +166,12 @@ struct fastrpc_ioctl_init { 
	int32_t memfd;		/* ION fd for the mem */

};



struct fastrpc_ioctl_init_attrs {

		struct fastrpc_ioctl_init init;

		int attrs;

		int siglen;

};



struct fastrpc_ioctl_munmap {

	uintptr_t vaddrout;	/* address to unmap */

	ssize_t size;		/* size */