drivers/misc/ibmvmc.c

114  * ibmvmc_handle_event: - Interrupt handler for crq events
193 		dev_err(adapter->dev, "couldn't register crq--rc 0x%x\n", rc);
207 	struct ibmvmc_crq_msg *crq;
211 	crq = &queue->msgs[queue->cur];
212 	if (crq->valid & 0x80) {
221 		crq = NULL;
226 	return crq;
1402  * @crq:	ibmvmc_crq_msg struct
1426 			     struct ibmvmc_crq_msg *crq)
1435 	if (!crq)
1438 	hmc_session = crq->hmc_session;
1439 	hmc_index = crq->hmc_index;
1440 	buffer_id = be16_to_cpu(crq->var2.buffer_id);
1482 	buffer->dma_addr_remote = be32_to_cpu(crq->var3.lioba);
1484 	buffer->owner = crq->var1.owner;
1509  * @crq:	ibmvmc_crq_msg struct
1543 			     struct ibmvmc_crq_msg *crq)
1552 	if (!crq)
1555 	hmc_session = crq->hmc_session;
1556 	hmc_index = crq->hmc_index;
1596 			   struct ibmvmc_crq_msg *crq)
1607 	if (!crq)
1612 		be64_to_cpu(*((unsigned long *)crq)),
1613 		be64_to_cpu(*(((unsigned long *)crq) + 1)));
1615 	hmc_session = crq->hmc_session;
1616 	hmc_index = crq->hmc_index;
1617 	buffer_id = be16_to_cpu(crq->var2.buffer_id);
1618 	msg_len = be32_to_cpu(crq->var3.msg_len);
1703 	struct ibmvmc_admin_crq_msg *crq = (struct ibmvmc_admin_crq_msg *)crqp;
1705 	if ((be16_to_cpu(crq->version) >> 8) !=
1708 			be16_to_cpu(crq->version),
1714 	ibmvmc.max_mtu = min_t(u32, ibmvmc_max_mtu, be32_to_cpu(crq->max_mtu));
1716 					    be16_to_cpu(crq->pool_size));
1717 	ibmvmc.max_hmc_index = min_t(u8, ibmvmc_max_hmcs, crq->max_hmc) - 1;
1729  * @crq:	ibmvmc_crq_msg struct
1736 				       struct ibmvmc_crq_msg *crq)
1740 	hmc_index = crq->hmc_index;
1742 	if (crq->hmc_session == 0)
1748 	if (hmcs[hmc_index].session != crq->hmc_session) {
1750 			 hmcs[hmc_index].session, crq->hmc_session);
1849  * @crq: ibmvmc_crq_msg struct
1856 static void ibmvmc_process_open_resp(struct ibmvmc_crq_msg *crq,
1862 	hmc_index = crq->hmc_index;
1869 	if (crq->status) {
1871 			 crq->status);
1877 		buffer_id = be16_to_cpu(crq->var2.buffer_id);
1897  * @crq: ibmvmc_crq_msg struct
1906 static void ibmvmc_process_close_resp(struct ibmvmc_crq_msg *crq,
1911 	hmc_index = crq->hmc_index;
1917 	if (crq->status) {
1919 			 crq->status);
1931  * @crq:	ibmvmc_crq_msg struct
1937 			       struct ibmvmc_crq_msg *crq)
1939 	switch (crq->type) {
1942 			crq->type);
1944 			ibmvmc_process_capabilities(adapter, crq);
1951 			crq->type);
1952 		if (ibmvmc_validate_hmc_session(adapter, crq) == 0)
1953 			ibmvmc_process_open_resp(crq, adapter);
1957 			crq->type);
1958 		if (ibmvmc_validate_hmc_session(adapter, crq) == 0)
1959 			ibmvmc_add_buffer(adapter, crq);
1963 			crq->type);
1964 		if (ibmvmc_validate_hmc_session(adapter, crq) == 0)
1965 			ibmvmc_rem_buffer(adapter, crq);
1969 			crq->type);
1970 		if (ibmvmc_validate_hmc_session(adapter, crq) == 0)
1971 			ibmvmc_recv_msg(adapter, crq);
1975 			crq->type);
1976 		if (ibmvmc_validate_hmc_session(adapter, crq) == 0)
1977 			ibmvmc_process_close_resp(crq, adapter);
1985 			 crq->type);
1989 			 crq->type);
1997  * @crq:	ibmvmc_crq_msg struct
2000  * Handle the type of crq initialization based on whether
2004 static void ibmvmc_handle_crq_init(struct ibmvmc_crq_msg *crq,
2007 	switch (crq->type) {
2031 		dev_warn(adapter->dev, "Unknown crq message type 0x%lx\n",
2032 			 (unsigned long)crq->type);
2039  * @crq:	ibmvmc_crq_msg struct
2043  * requests based upon the type of crq message.
2046 static void ibmvmc_handle_crq(struct ibmvmc_crq_msg *crq,
2049 	switch (crq->valid) {
2051 		ibmvmc_handle_crq_init(crq, adapter);
2058 		ibmvmc_crq_process(adapter, crq);
2062 			 crq->valid);
2072 	struct ibmvmc_crq_msg *crq;
2077 		while ((crq = crq_queue_next_crq(&adapter->queue)) != NULL) {
2078 			ibmvmc_handle_crq(crq, adapter);
2079 			crq->valid = 0x00;
2088 		crq = crq_queue_next_crq(&adapter->queue);
2089 		if (crq) {
2091 			ibmvmc_handle_crq(crq, adapter);
2092 			crq->valid = 0x00;