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authorSudeep Holla <sudeep.holla@arm.com>2023-10-05 17:45:03 +0300
committerSudeep Holla <sudeep.holla@arm.com>2023-10-06 17:33:13 +0300
commite0573444edbf4ee7e3c191d3d08a4ccbd26628be (patch)
treefe0d487236ba9ca6870b0b2b68109cf348211b8e /include/linux/arm_ffa.h
parent0184450b8b1e7734110472616c4758839e1aff96 (diff)
downloadlinux-e0573444edbf4ee7e3c191d3d08a4ccbd26628be.tar.xz
firmware: arm_ffa: Add interfaces to request notification callbacks
Add interface to the FFA driver to allow for client drivers to request and relinquish a notification as well as provide a callback for the notification. Link: https://lore.kernel.org/r/20231005-ffa_v1-1_notif-v4-10-cddd3237809c@arm.com Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'include/linux/arm_ffa.h')
-rw-r--r--include/linux/arm_ffa.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h
index f9cf6114ef82..fb6f388a3737 100644
--- a/include/linux/arm_ffa.h
+++ b/include/linux/arm_ffa.h
@@ -392,10 +392,15 @@ struct ffa_cpu_ops {
};
typedef void (*ffa_sched_recv_cb)(u16 vcpu, bool is_per_vcpu, void *cb_data);
+typedef void (*ffa_notifier_cb)(int notify_id, void *cb_data);
+
struct ffa_notifier_ops {
int (*sched_recv_cb_register)(struct ffa_device *dev,
ffa_sched_recv_cb cb, void *cb_data);
int (*sched_recv_cb_unregister)(struct ffa_device *dev);
+ int (*notify_request)(struct ffa_device *dev, bool per_vcpu,
+ ffa_notifier_cb cb, void *cb_data, int notify_id);
+ int (*notify_relinquish)(struct ffa_device *dev, int notify_id);
};
struct ffa_ops {