24 	struct vtpm_shared_page *shr;  member
103 	switch (priv->shr->state) {  in vtpm_status()
124 	priv->shr->state = VTPM_STATE_CANCEL;  in vtpm_cancel()
129 static unsigned int shr_data_offset(struct vtpm_shared_page *shr)  in shr_data_offset()  argument
131 	return sizeof(*shr) + sizeof(u32) * shr->nr_extra_pages;  in shr_data_offset()
137 	struct vtpm_shared_page *shr = priv->shr;  in vtpm_send()  local
138 	unsigned int offset = shr_data_offset(shr);  in vtpm_send()
156 	memcpy(offset + (u8 *)shr, buf, count);  in vtpm_send()
157 	shr->length = count;  in vtpm_send()
159 	shr->state = VTPM_STATE_SUBMIT;  in vtpm_send()
179 	struct vtpm_shared_page *shr = priv->shr;  in vtpm_recv()  local
180 	unsigned int offset = shr_data_offset(shr);  in vtpm_recv()
181 	size_t length = shr->length;  in vtpm_recv()
183 	if (shr->state == VTPM_STATE_IDLE)  in vtpm_recv()
202 	memcpy(buf, offset + (u8 *)shr, length);  in vtpm_recv()
221 	switch (priv->shr->state) {  in tpmif_interrupt()
258 	priv->shr = (void *)__get_free_page(GFP_KERNEL|__GFP_ZERO);  in setup_ring()
259 	if (!priv->shr) {  in setup_ring()
264 	rv = xenbus_grant_ring(dev, priv->shr, 1, &gref);  in setup_ring()
336 				(unsigned long)priv->shr);  in ring_free()
338 		free_page((unsigned long)priv->shr);  in ring_free()