On 2/8/22 7:02 AM, Fenghua Yu wrote:
pasid_valid() is defined to check if a given PASID is valid.Suggested-by: Ashok Raj <ashok....@intel.com> Suggested-by: Jacob Pan <jacob.jun....@linux.intel.com> Signed-off-by: Fenghua Yu <fenghua...@intel.com> Reviewed-by: Tony Luck <tony.l...@intel.com> Reviewed-by: Thomas Gleixner <t...@linutronix.de> --- v4: - Add "Reviewed-by: Thomas Gleixner <t...@linutronix.de>" (Thomas). v2: - Define a helper pasid_valid() (Ashok, Jacob, Thomas, Tony) include/linux/ioasid.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/linux/ioasid.h b/include/linux/ioasid.h index e9dacd4b9f6b..2237f64dbaae 100644 --- a/include/linux/ioasid.h +++ b/include/linux/ioasid.h @@ -41,6 +41,10 @@ void *ioasid_find(struct ioasid_set *set, ioasid_t ioasid, int ioasid_register_allocator(struct ioasid_allocator_ops *allocator); void ioasid_unregister_allocator(struct ioasid_allocator_ops *allocator); int ioasid_set_data(ioasid_t ioasid, void *data); +static inline bool pasid_valid(ioasid_t ioasid) +{ + return ioasid != INVALID_IOASID; +}#else /* !CONFIG_IOASID */static inline ioasid_t ioasid_alloc(struct ioasid_set *set, ioasid_t min, @@ -78,5 +82,10 @@ static inline int ioasid_set_data(ioasid_t ioasid, void *data) return -ENOTSUPP; }+static inline bool pasid_valid(ioasid_t ioasid)+{ + return false; +} + #endif /* CONFIG_IOASID */ #endif /* __LINUX_IOASID_H */
Reviewed-by: Lu Baolu <baolu...@linux.intel.com> Best regards, baolu _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
