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mcctrl: support remote CPU MSR read/write operations

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This commit is contained in:
Balazs Gerofi
2017-05-01 20:24:17 +09:00
parent 2d19ed9391
commit 9992fe0d72
7 changed files with 244 additions and 0 deletions
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7
executer/kernel/mcctrl/ikc.c
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@ -54,6 +54,8 @@ static void mcctrl_ikc_init(ihk_os_t os, int cpu, unsigned long rphys, struct ih
int mcexec_syscall(struct mcctrl_usrdata *ud, struct ikc_scd_packet *packet);
void sig_done(unsigned long arg, int err);
void mcctrl_perf_ack(ihk_os_t os, struct ikc_scd_packet *packet);
void mcctrl_os_read_write_cpu_response(ihk_os_t os,
struct ikc_scd_packet *pisp);
/* XXX: this runs in atomic context! */
static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
@ -113,6 +115,11 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
case SCD_MSG_PERF_ACK:
mcctrl_perf_ack(__os, pisp);
break;
case SCD_MSG_CPU_RW_REG_RESP:
mcctrl_os_read_write_cpu_response(__os, pisp);
break;
default:
printk(KERN_ERR "mcctrl:syscall_packet_handler:"
"unknown message (%d.%d.%d.%d.%d.%#lx)\n",