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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/driver.c
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@ -46,6 +46,12 @@ extern void rus_page_hash_put_pages(void);
extern void binfmt_mcexec_init(void);
extern void binfmt_mcexec_exit(void);
extern int mcctrl_os_read_cpu_register(ihk_os_t os, int cpu,
struct ihk_os_cpu_register *desc);
extern int mcctrl_os_write_cpu_register(ihk_os_t os, int cpu,
struct ihk_os_cpu_register *desc);
extern int mcctrl_get_request_os_cpu(ihk_os_t os, int *cpu);
static long mcctrl_ioctl(ihk_os_t os, unsigned int request, void *priv,
unsigned long arg, struct file *file)
{
@ -83,6 +89,12 @@ static struct ihk_os_user_call_handler mcctrl_uchs[] = {
{ .request = IHK_OS_AUX_PERF_DESTROY, .func = mcctrl_ioctl },
};
static struct ihk_os_kernel_call_handler mcctrl_kernel_handlers = {
.get_request_cpu = mcctrl_get_request_os_cpu,
.read_cpu_register = mcctrl_os_read_cpu_register,
.write_cpu_register = mcctrl_os_write_cpu_register,
};
static struct ihk_os_user_call mcctrl_uc_proto = {
.num_handlers = sizeof(mcctrl_uchs) / sizeof(mcctrl_uchs[0]),
.handlers = mcctrl_uchs,
@ -117,12 +129,16 @@ int mcctrl_os_boot_notifier(int os_index)
memcpy(mcctrl_uc + os_index, &mcctrl_uc_proto, sizeof mcctrl_uc_proto);
rc = ihk_os_set_kernel_call_handlers(os[os_index], &mcctrl_kernel_handlers);
if (rc < 0) {
printk("mcctrl: error: setting kernel callbacks for OS %d\n", os_index);
goto error_cleanup_channels;
}
rc = ihk_os_register_user_call_handlers(os[os_index], mcctrl_uc + os_index);
if (rc < 0) {
destroy_ikc_channels(os[os_index]);
printk("mcctrl: error: registering callbacks for OS %d\n", os_index);
goto error_cleanup_channels;
goto error_clear_kernel_handlers;
}
procfs_init(os_index);
@ -130,6 +146,8 @@ int mcctrl_os_boot_notifier(int os_index)
return 0;
error_clear_kernel_handlers:
ihk_os_clear_kernel_call_handlers(os[os_index]);
error_cleanup_channels:
destroy_ikc_channels(os[os_index]);
@ -143,6 +161,7 @@ int mcctrl_os_shutdown_notifier(int os_index)
sysfsm_cleanup(os[os_index]);
free_topology_info(os[os_index]);
ihk_os_unregister_user_call_handlers(os[os_index], mcctrl_uc + os_index);
ihk_os_clear_kernel_call_handlers(os[os_index]);
destroy_ikc_channels(os[os_index]);
procfs_exit(os_index);
}