Message ID | a3f70753dc853c2fb81efad72321ec00accf3f27.1677079672.git.jens.wiklander@linaro.org (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | Xen FF-A mediator | expand |
Hi Jens, > On 22 Feb 2023, at 16:33, Jens Wiklander <jens.wiklander@linaro.org> wrote: > > Defines flags used for the function FFA_PARTITION_INFO_GET. > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> > --- > xen/arch/arm/tee/ffa.c | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/xen/arch/arm/tee/ffa.c b/xen/arch/arm/tee/ffa.c > index aa6cdbe0a4f9..f4562ed2defc 100644 > --- a/xen/arch/arm/tee/ffa.c > +++ b/xen/arch/arm/tee/ffa.c > @@ -56,6 +56,32 @@ > #define FFA_MY_VERSION MAKE_FFA_VERSION(FFA_MY_VERSION_MAJOR, \ > FFA_MY_VERSION_MINOR) > > +/* > + * Flags used for the FFA_PARTITION_INFO_GET return message: This is somehow no completely precise. Could I suggest to use what the doc says: Flags to determine partition properties in FFA_PARTITION_INFO_GET return message > + * BIT(0): Supports receipt of direct requests > + * BIT(1): Can send direct requests > + * BIT(2): Can send and receive indirect messages > + * BIT(3): Supports receipt of notifications > + * BIT(4-5): Partition ID is a PE endpoint ID You describe all bits until 5 but not 6,7 and 8. Please describe all of them to be coherent. > + */ > +#define FFA_PART_PROP_DIRECT_REQ_RECV BIT(0, U) > +#define FFA_PART_PROP_DIRECT_REQ_SEND BIT(1, U) > +#define FFA_PART_PROP_INDIRECT_MSGS BIT(2, U) > +#define FFA_PART_PROP_RECV_NOTIF BIT(3, U) > +#define FFA_PART_PROP_IS_PE_ID (0U << 4) > +#define FFA_PART_PROP_IS_SEPID_INDEP (1U << 4) > +#define FFA_PART_PROP_IS_SEPID_DEP (2U << 4) > +#define FFA_PART_PROP_IS_AUX_ID (3U << 4) > +#define FFA_PART_PROP_NOTIF_CREATED BIT(6, U) > +#define FFA_PART_PROP_NOTIF_DESTROYED BIT(7, U) > +#define FFA_PART_PROP_AARCH64_STATE BIT(8, U) bits definitions are coherent with the standard > + > +/* > + * Flag used as parameter to FFA_PARTITION_INFO_GET to return partition > + * count only. > + */ > +#define FFA_PARTITION_INFO_GET_COUNT_FLAG BIT(0, U) same here. Cheers Bertrand > + > /* Function IDs */ > #define FFA_ERROR 0x84000060U > #define FFA_SUCCESS_32 0x84000061U > -- > 2.34.1 >
Hi Bertrand, On Fri, Feb 24, 2023 at 10:30 AM Bertrand Marquis <Bertrand.Marquis@arm.com> wrote: > > Hi Jens, > > > On 22 Feb 2023, at 16:33, Jens Wiklander <jens.wiklander@linaro.org> wrote: > > > > Defines flags used for the function FFA_PARTITION_INFO_GET. > > > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> > > --- > > xen/arch/arm/tee/ffa.c | 26 ++++++++++++++++++++++++++ > > 1 file changed, 26 insertions(+) > > > > diff --git a/xen/arch/arm/tee/ffa.c b/xen/arch/arm/tee/ffa.c > > index aa6cdbe0a4f9..f4562ed2defc 100644 > > --- a/xen/arch/arm/tee/ffa.c > > +++ b/xen/arch/arm/tee/ffa.c > > @@ -56,6 +56,32 @@ > > #define FFA_MY_VERSION MAKE_FFA_VERSION(FFA_MY_VERSION_MAJOR, \ > > FFA_MY_VERSION_MINOR) > > > > +/* > > + * Flags used for the FFA_PARTITION_INFO_GET return message: > > This is somehow no completely precise. > Could I suggest to use what the doc says: > Flags to determine partition properties in FFA_PARTITION_INFO_GET return message OK > > > > + * BIT(0): Supports receipt of direct requests > > + * BIT(1): Can send direct requests > > + * BIT(2): Can send and receive indirect messages > > + * BIT(3): Supports receipt of notifications > > + * BIT(4-5): Partition ID is a PE endpoint ID > > You describe all bits until 5 but not 6,7 and 8. > Please describe all of them to be coherent. OK > > > + */ > > +#define FFA_PART_PROP_DIRECT_REQ_RECV BIT(0, U) > > +#define FFA_PART_PROP_DIRECT_REQ_SEND BIT(1, U) > > +#define FFA_PART_PROP_INDIRECT_MSGS BIT(2, U) > > +#define FFA_PART_PROP_RECV_NOTIF BIT(3, U) > > +#define FFA_PART_PROP_IS_PE_ID (0U << 4) > > +#define FFA_PART_PROP_IS_SEPID_INDEP (1U << 4) > > +#define FFA_PART_PROP_IS_SEPID_DEP (2U << 4) > > +#define FFA_PART_PROP_IS_AUX_ID (3U << 4) > > +#define FFA_PART_PROP_NOTIF_CREATED BIT(6, U) > > +#define FFA_PART_PROP_NOTIF_DESTROYED BIT(7, U) > > +#define FFA_PART_PROP_AARCH64_STATE BIT(8, U) > > bits definitions are coherent with the standard > > > + > > +/* > > + * Flag used as parameter to FFA_PARTITION_INFO_GET to return partition > > + * count only. > > + */ > > +#define FFA_PARTITION_INFO_GET_COUNT_FLAG BIT(0, U) > > same here. Thanks, Jens > > Cheers > Bertrand > > > + > > /* Function IDs */ > > #define FFA_ERROR 0x84000060U > > #define FFA_SUCCESS_32 0x84000061U > > -- > > 2.34.1 > > >
diff --git a/xen/arch/arm/tee/ffa.c b/xen/arch/arm/tee/ffa.c index aa6cdbe0a4f9..f4562ed2defc 100644 --- a/xen/arch/arm/tee/ffa.c +++ b/xen/arch/arm/tee/ffa.c @@ -56,6 +56,32 @@ #define FFA_MY_VERSION MAKE_FFA_VERSION(FFA_MY_VERSION_MAJOR, \ FFA_MY_VERSION_MINOR) +/* + * Flags used for the FFA_PARTITION_INFO_GET return message: + * BIT(0): Supports receipt of direct requests + * BIT(1): Can send direct requests + * BIT(2): Can send and receive indirect messages + * BIT(3): Supports receipt of notifications + * BIT(4-5): Partition ID is a PE endpoint ID + */ +#define FFA_PART_PROP_DIRECT_REQ_RECV BIT(0, U) +#define FFA_PART_PROP_DIRECT_REQ_SEND BIT(1, U) +#define FFA_PART_PROP_INDIRECT_MSGS BIT(2, U) +#define FFA_PART_PROP_RECV_NOTIF BIT(3, U) +#define FFA_PART_PROP_IS_PE_ID (0U << 4) +#define FFA_PART_PROP_IS_SEPID_INDEP (1U << 4) +#define FFA_PART_PROP_IS_SEPID_DEP (2U << 4) +#define FFA_PART_PROP_IS_AUX_ID (3U << 4) +#define FFA_PART_PROP_NOTIF_CREATED BIT(6, U) +#define FFA_PART_PROP_NOTIF_DESTROYED BIT(7, U) +#define FFA_PART_PROP_AARCH64_STATE BIT(8, U) + +/* + * Flag used as parameter to FFA_PARTITION_INFO_GET to return partition + * count only. + */ +#define FFA_PARTITION_INFO_GET_COUNT_FLAG BIT(0, U) + /* Function IDs */ #define FFA_ERROR 0x84000060U #define FFA_SUCCESS_32 0x84000061U
Defines flags used for the function FFA_PARTITION_INFO_GET. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> --- xen/arch/arm/tee/ffa.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)