45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* mikc.c COPYRIGHT FUJITSU LIMITED 2015-2016 */
|
|
#include <ihk/ikc.h>
|
|
#include <ihk/lock.h>
|
|
#include <ikc/msg.h>
|
|
#include <memory.h>
|
|
#include <string.h>
|
|
|
|
extern int num_processors;
|
|
extern void arch_set_mikc_queue(void *r, void *w);
|
|
ihk_ikc_ph_t arch_master_channel_packet_handler;
|
|
|
|
int ihk_mc_ikc_init_first_local(struct ihk_ikc_channel_desc *channel,
|
|
ihk_ikc_ph_t packet_handler)
|
|
{
|
|
struct ihk_ikc_queue_head *rq, *wq;
|
|
size_t mikc_queue_pages;
|
|
|
|
ihk_ikc_system_init(NULL);
|
|
|
|
memset(channel, 0, sizeof(struct ihk_ikc_channel_desc));
|
|
|
|
mikc_queue_pages = ((8 * num_processors * MASTER_IKCQ_PKTSIZE)
|
|
+ (PAGE_SIZE - 1)) / PAGE_SIZE;
|
|
|
|
/* Place both sides in this side */
|
|
rq = ihk_mc_alloc_pages(mikc_queue_pages, IHK_MC_AP_CRITICAL);
|
|
wq = ihk_mc_alloc_pages(mikc_queue_pages, IHK_MC_AP_CRITICAL);
|
|
|
|
ihk_ikc_init_queue(rq, 0, 0,
|
|
mikc_queue_pages * PAGE_SIZE, MASTER_IKCQ_PKTSIZE);
|
|
ihk_ikc_init_queue(wq, 0, 0,
|
|
mikc_queue_pages * PAGE_SIZE, MASTER_IKCQ_PKTSIZE);
|
|
|
|
arch_master_channel_packet_handler = packet_handler;
|
|
|
|
ihk_ikc_init_desc(channel, IKC_OS_HOST, 0, rq, wq,
|
|
ihk_ikc_master_channel_packet_handler, channel);
|
|
ihk_ikc_enable_channel(channel);
|
|
|
|
/* Set boot parameter */
|
|
arch_set_mikc_queue(rq, wq);
|
|
|
|
return 0;
|
|
}
|