> Date: Fri, 25 Nov 2022 22:46:46 +0100
> From: Tobias Heider <tobias.hei...@stusta.de>
>
> This is the boilerplate code to route lid_action through to aplsmc(4) which I
> previously sent as part of another diff. Depending on how we are going to use
> it, the aplsmc(4) part might need a bit of refinement to distinguish between
> LID_OPEN/CLOSE events.
I'd leave lid_action set to 0 for now. Otherwise ok kettenis@
> Index: arch/arm64/arm64/acpi_machdep.c
> ===================================================================
> RCS file: /cvs/src/sys/arch/arm64/arm64/acpi_machdep.c,v
> retrieving revision 1.20
> diff -u -p -r1.20 acpi_machdep.c
> --- arch/arm64/arm64/acpi_machdep.c 13 Sep 2022 17:14:54 -0000 1.20
> +++ arch/arm64/arm64/acpi_machdep.c 25 Nov 2022 21:22:09 -0000
> @@ -36,7 +36,6 @@
>
> #include "apm.h"
>
> -int lid_action;
> int pwr_action = 1;
>
> int acpi_fdt_match(struct device *, void *, void *);
> Index: arch/arm64/arm64/machdep.c
> ===================================================================
> RCS file: /cvs/src/sys/arch/arm64/arm64/machdep.c,v
> retrieving revision 1.77
> diff -u -p -r1.77 machdep.c
> --- arch/arm64/arm64/machdep.c 24 Nov 2022 14:43:16 -0000 1.77
> +++ arch/arm64/arm64/machdep.c 25 Nov 2022 21:22:09 -0000
> @@ -71,6 +71,7 @@ void (*cpuresetfn)(void);
> void (*powerdownfn)(void);
>
> int cold = 1;
> +int lid_action = 1;
>
> struct vm_map *exec_map = NULL;
> struct vm_map *phys_map = NULL;
> @@ -322,6 +323,10 @@ extern uint64_t cpu_id_aa64pfr1;
> * machine dependent system variables.
> */
>
> +const struct sysctl_bounded_args cpuctl_vars[] = {
> + { CPU_LIDACTION, &lid_action, 0, 2 },
> +};
> +
> int
> cpu_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
> size_t newlen, struct proc *p)
> @@ -372,7 +377,8 @@ cpu_sysctl(int *name, u_int namelen, voi
> case CPU_ID_AA64ZFR0:
> return sysctl_rdquad(oldp, oldlenp, newp, 0);
> default:
> - return (EOPNOTSUPP);
> + return (sysctl_bounded_arr(cpuctl_vars, nitems(cpuctl_vars),
> + name, namelen, oldp, oldlenp, newp, newlen));
> }
> /* NOTREACHED */
> }
> Index: arch/arm64/dev/aplsmc.c
> ===================================================================
> RCS file: /cvs/src/sys/arch/arm64/dev/aplsmc.c,v
> retrieving revision 1.19
> diff -u -p -r1.19 aplsmc.c
> --- arch/arm64/dev/aplsmc.c 25 Nov 2022 20:33:11 -0000 1.19
> +++ arch/arm64/dev/aplsmc.c 25 Nov 2022 21:22:09 -0000
> @@ -37,6 +37,7 @@
>
> #include "apm.h"
>
> +extern int lid_action;
> extern void (*simplefb_burn_hook)(u_int);
>
> extern void (*cpuresetfn)(void);
> @@ -390,6 +391,14 @@ aplsmc_handle_notification(struct aplsmc
> default:
> printf("%s: SMV_EV_TYPE_LID 0x%016llx\n",
> sc->sc_dev.dv_xname, data);
> + break;
> + }
> + switch (lid_action) {
> + case 1:
> + /* XXX: suspend */
> + break;
> + case 2:
> + /* XXX: hibernate */
> break;
> }
> break;
> Index: arch/arm64/include/cpu.h
> ===================================================================
> RCS file: /cvs/src/sys/arch/arm64/include/cpu.h,v
> retrieving revision 1.31
> diff -u -p -r1.31 cpu.h
> --- arch/arm64/include/cpu.h 24 Nov 2022 14:43:16 -0000 1.31
> +++ arch/arm64/include/cpu.h 25 Nov 2022 21:22:09 -0000
> @@ -36,7 +36,8 @@
> #define CPU_ID_AA64PFR1 9
> #define CPU_ID_AA64SMFR0 10
> #define CPU_ID_AA64ZFR0 11
> -#define CPU_MAXID 12 /* number of valid machdep ids
> */
> +#define CPU_LIDACTION 12
> +#define CPU_MAXID 13 /* number of valid machdep ids
> */
>
> #define CTL_MACHDEP_NAMES { \
> { 0, 0 }, \
>
>
