Hi David, > On 24 Sep 2024, at 16:05, David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote: > > From: David Woodhouse <dwmw@xxxxxxxxxxxx> > > The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022) adds > SYSTEM_OFF2, CLEAN_INV_MEMREGION and CLEAN_INV_MEMREGION_ATTRIBUTES > functions. Add definitions for them and their parameters, along with the > new TIMEOUT, RATE_LIMITED and BUSY error values. > DEN0022F REL superseded DEN0022F ALP1 which doesn’t describe CLEAN_INV_MEMREGION or CLEAN_INV_MEMREGION_ATTRIBUTES. Defining those at another time shouldn’t be a blocker for the rest of this patchset. > Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx> > --- > include/uapi/linux/psci.h | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h > index 42a40ad3fb62..082ed689fdaf 100644 > --- a/include/uapi/linux/psci.h > +++ b/include/uapi/linux/psci.h > @@ -59,6 +59,8 @@ > #define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18) > #define PSCI_1_1_FN_MEM_PROTECT PSCI_0_2_FN(19) > #define PSCI_1_1_FN_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN(20) > +#define PSCI_1_3_FN_SYSTEM_OFF2 PSCI_0_2_FN(21) > +#define PSCI_1_3_FN_CLEAN_INV_MEMREGION_ATTRIBUTES PSCI_0_2_FN(23) > > #define PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND PSCI_0_2_FN64(12) > #define PSCI_1_0_FN64_NODE_HW_STATE PSCI_0_2_FN64(13) > @@ -68,6 +70,8 @@ > > #define PSCI_1_1_FN64_SYSTEM_RESET2 PSCI_0_2_FN64(18) > #define PSCI_1_1_FN64_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN64(20) > +#define PSCI_1_3_FN64_SYSTEM_OFF2 PSCI_0_2_FN64(21) > +#define PSCI_1_3_FN64_CLEAN_INV_MEMREGION PSCI_0_2_FN64(22) > > /* PSCI v0.2 power state encoding for CPU_SUSPEND function */ > #define PSCI_0_2_POWER_STATE_ID_MASK 0xffff > @@ -100,6 +104,19 @@ > #define PSCI_1_1_RESET_TYPE_SYSTEM_WARM_RESET 0 > #define PSCI_1_1_RESET_TYPE_VENDOR_START 0x80000000U > > +/* PSCI v1.3 hibernate type for SYSTEM_OFF2 */ > +#define PSCI_1_3_HIBERNATE_TYPE_OFF 0 Should it be 1 as hibernate type? > + > +/* PSCI v1.3 flags for CLEAN_INV_MEMREGION */ > +#define PSCI_1_3_CLEAN_INV_MEMREGION_FLAG_DRY_RUN BIT(0) > + > +/* PSCI v1.3 attributes for CLEAN_INV_MEMREGION_ATTRIBUTES */ > +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_OP_TYPE 0 > +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_CPU_RDVZ 1 > +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_LATENCY 2 > +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_RATE_LIMIT 3 > +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_TIMEOUT 4 > + > /* PSCI version decoding (independent of PSCI version) */ > #define PSCI_VERSION_MAJOR_SHIFT 16 > #define PSCI_VERSION_MINOR_MASK \ > @@ -133,5 +150,8 @@ > #define PSCI_RET_NOT_PRESENT -7 > #define PSCI_RET_DISABLED -8 > #define PSCI_RET_INVALID_ADDRESS -9 > +#define PSCI_RET_TIMEOUT -10 > +#define PSCI_RET_RATE_LIMITED -11 > +#define PSCI_RET_BUSY -12 > Thanks Miguel > #endif /* _UAPI_LINUX_PSCI_H */ > -- > 2.44.0 > >
