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DM: add guest vm power manager by vuart

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vuart can be used as communication channel between VMs;
here vuart used to control vm's power off flow; control command
is from SOS to UOS

Tracked-On: #3564
Signed-off-by: Minggui Cao <minggui.cao@intel.com>
Acked-by: Yin Fengwei <fengwei.yin@intel.com>
This commit is contained in:
Minggui Cao
2019-09-04 17:40:09 +08:00
committed by ACRN System Integration
parent 00401a1e78
commit eb5a57b780
4 changed files with 243 additions and 3 deletions
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19
devicemodel/core/main.c
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@@ -63,6 +63,7 @@
#include "atomic.h"
#include "tpm.h"
#include "virtio.h"
#include "pm_vuart.h"
#include "log.h"
#define GUEST_NIO_PORT 0x488 /* guest upcalls via i/o port */
@@ -138,7 +139,8 @@ usage(int code)
" %*s [--part_info part_info_name] [--enable_trusty] [--intr_monitor param_setting]\n"
" %*s [--vtpm2 sock_path] [--virtio_poll interval] [--mac_seed seed_string]\n"
" %*s [--vmcfg sub_options] [--dump vm_idx] [--ptdev_no_reset] [--debugexit] \n"
" %*s [--logger-setting param_setting] [--pm_notify_channel] <vm>\n"
" %*s [--logger-setting param_setting] [--pm_notify_channel]\n"
" %*s [--pm_by_vuart vuart_node] <vm>\n"
" -A: create ACPI tables\n"
" -B: bootargs for kernel\n"
" -c: # cpus (default 1)\n"
@@ -173,11 +175,12 @@ usage(int code)
" --lapic_pt: enable local apic passthrough\n"
" --rtvm: indicate that the guest is rtvm\n"
" --logger_setting: params like console,level=4;kmsg,level=3\n"
" --pm_notify_channel: define the channel used to notify guest about power event\n",
" --pm_notify_channel: define the channel used to notify guest about power event\n"
" --pm_by_vuart:pty,/run/acrn/vuart_vmname or tty,/dev/ttySn\n",
progname, (int)strnlen(progname, PATH_MAX), "", (int)strnlen(progname, PATH_MAX), "",
(int)strnlen(progname, PATH_MAX), "", (int)strnlen(progname, PATH_MAX), "",
(int)strnlen(progname, PATH_MAX), "", (int)strnlen(progname, PATH_MAX), "",
(int)strnlen(progname, PATH_MAX), "");
(int)strnlen(progname, PATH_MAX), "", (int)strnlen(progname, PATH_MAX), "");
exit(code);
}
@@ -421,6 +424,8 @@ guest_pm_notify_init(struct vmctx *ctx)
ioc_init(ctx);
else if (PWR_EVENT_NOTIFY_PWR_BT == pm_notify_channel)
power_button_init(ctx);
else if (PWR_EVENT_NOTIFY_UART == pm_notify_channel)
pm_by_vuart_init(ctx);
else
pr_err("No correct pm notify channel given\n");
}
@@ -432,6 +437,8 @@ guest_pm_notify_deinit(struct vmctx *ctx)
ioc_deinit(ctx);
else if (PWR_EVENT_NOTIFY_PWR_BT == pm_notify_channel)
power_button_deinit(ctx);
else if (PWR_EVENT_NOTIFY_UART == pm_notify_channel)
pm_by_vuart_deinit(ctx);
else
pr_err("No correct pm notify channel given\n");
}
@@ -724,6 +731,7 @@ enum {
CMD_OPT_RTVM,
CMD_OPT_LOGGER_SETTING,
CMD_OPT_PM_NOTIFY_CHANNEL,
CMD_OPT_PM_BY_VUART,
};
static struct option long_options[] = {
@@ -763,6 +771,7 @@ static struct option long_options[] = {
{"rtvm", no_argument, 0, CMD_OPT_RTVM},
{"logger_setting", required_argument, 0, CMD_OPT_LOGGER_SETTING},
{"pm_notify_channel", required_argument, 0, CMD_OPT_PM_NOTIFY_CHANNEL},
{"pm_by_vuart", required_argument, 0, CMD_OPT_PM_BY_VUART},
{0, 0, 0, 0 },
};
@@ -924,6 +933,10 @@ main(int argc, char *argv[])
pm_notify_channel = PWR_EVENT_NOTIFY_UART;
break;
case CMD_OPT_PM_BY_VUART:
if (parse_pm_by_vuart(optarg) != 0)
errx(EX_USAGE, "invalid pm-by-vuart params %s", optarg);
break;
case 'h':
usage(0);
default: