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mcctrl: IHK CPU register manipulation implementation

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This commit is contained in:
Balazs Gerofi
2017-05-20 10:39:41 +09:00
parent 39352cd364
commit 21373338cc
7 changed files with 36 additions and 51 deletions
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25
executer/kernel/mcctrl/control.c
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@@ -40,7 +40,6 @@
#include <asm/io.h>
#include "../../config.h"
#include "mcctrl.h"
#include "mcctrl_public.h"
#include <ihk/ihk_host_user.h>
//#define DEBUG
@@ -1938,6 +1937,7 @@ void mcexec_prepare_ack(ihk_os_t os, unsigned long arg, int err)
mcctrl_put_per_proc_data(ppd);
}
/* Per-CPU register manipulation functions */
struct mcctrl_os_cpu_response {
int done;
@@ -1945,21 +1945,15 @@ struct mcctrl_os_cpu_response {
wait_queue_head_t wq;
};
int mcctrl_get_request_os_cpu(ihk_os_t *ret_os, int *ret_cpu)
int mcctrl_get_request_os_cpu(ihk_os_t os, int *ret_cpu)
{
ihk_os_t os;
struct mcctrl_usrdata *usrdata;
struct mcctrl_per_proc_data *ppd;
struct ikc_scd_packet *packet;
struct ihk_ikc_channel_desc *ch;
int ret = 0;
/* Look up IHK OS structure
* TODO: iterate all possible indeces, currently only for OS 0
*/
os = ihk_host_find_os(0, NULL);
if (!os) {
printk("%s: ERROR: no OS found for index 0\n", __FUNCTION__);
return -EINVAL;
}
@@ -1987,7 +1981,6 @@ int mcctrl_get_request_os_cpu(ihk_os_t *ret_os, int *ret_cpu)
goto out_put_ppd;
}
*ret_os = os;
/* TODO: define a new IHK query function instead of
* accessing internals directly */
ch = (usrdata->channels + packet->ref)->c;
@@ -2002,8 +1995,6 @@ out_put_ppd:
return ret;
}
EXPORT_SYMBOL(mcctrl_get_request_os_cpu);
void mcctrl_os_read_write_cpu_response(ihk_os_t os,
struct ikc_scd_packet *pisp)
{
@@ -2022,7 +2013,7 @@ void mcctrl_os_read_write_cpu_response(ihk_os_t os,
}
int __mcctrl_os_read_write_cpu_register(ihk_os_t os, int cpu,
struct mcctrl_os_cpu_register *desc,
struct ihk_os_cpu_register *desc,
enum mcctrl_os_cpu_operation op)
{
struct ikc_scd_packet isp;
@@ -2057,7 +2048,7 @@ int __mcctrl_os_read_write_cpu_register(ihk_os_t os, int cpu,
desc->val = resp.val;
}
printk("%s: MCCTRL_OS_CPU_%s_REGISTER: reg: 0x%lx, val: 0x%lx\n",
dprintk("%s: MCCTRL_OS_CPU_%s_REGISTER: reg: 0x%lx, val: 0x%lx\n",
__FUNCTION__,
(op == MCCTRL_OS_CPU_READ_REGISTER ? "READ" : "WRITE"),
desc->addr, desc->val);
@@ -2067,20 +2058,16 @@ out:
}
int mcctrl_os_read_cpu_register(ihk_os_t os, int cpu,
struct mcctrl_os_cpu_register *desc)
struct ihk_os_cpu_register *desc)
{
return __mcctrl_os_read_write_cpu_register(os, cpu,
desc, MCCTRL_OS_CPU_READ_REGISTER);
}
EXPORT_SYMBOL(mcctrl_os_read_cpu_register);
int mcctrl_os_write_cpu_register(ihk_os_t os, int cpu,
struct mcctrl_os_cpu_register *desc)
struct ihk_os_cpu_register *desc)
{
return __mcctrl_os_read_write_cpu_register(os, cpu,
desc, MCCTRL_OS_CPU_WRITE_REGISTER);
}
EXPORT_SYMBOL(mcctrl_os_write_cpu_register);