summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/xe/xe_guc_ct_types.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:37 +0000
commit94ac2ab3fff96814d7460a27a0e9d004abbd4128 (patch)
tree9a4eb8cc234b540b0f4b93363109cdd37a20540b /drivers/gpu/drm/xe/xe_guc_ct_types.h
parentAdding debian version 6.8.12-1. (diff)
downloadlinux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.tar.xz
linux-94ac2ab3fff96814d7460a27a0e9d004abbd4128.zip
Merging upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_guc_ct_types.h')
-rw-r--r--drivers/gpu/drm/xe/xe_guc_ct_types.h24
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc_ct_types.h b/drivers/gpu/drm/xe/xe_guc_ct_types.h
index d814d4ee3f..fede4c6e93 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct_types.h
+++ b/drivers/gpu/drm/xe/xe_guc_ct_types.h
@@ -73,6 +73,20 @@ struct xe_guc_ct_snapshot {
};
/**
+ * enum xe_guc_ct_state - CT state
+ * @XE_GUC_CT_STATE_NOT_INITIALIZED: CT not initialized, messages not expected in this state
+ * @XE_GUC_CT_STATE_DISABLED: CT disabled, messages not expected in this state
+ * @XE_GUC_CT_STATE_STOPPED: CT stopped, drop messages without errors
+ * @XE_GUC_CT_STATE_ENABLED: CT enabled, messages sent / received in this state
+ */
+enum xe_guc_ct_state {
+ XE_GUC_CT_STATE_NOT_INITIALIZED = 0,
+ XE_GUC_CT_STATE_DISABLED,
+ XE_GUC_CT_STATE_STOPPED,
+ XE_GUC_CT_STATE_ENABLED,
+};
+
+/**
* struct xe_guc_ct - GuC command transport (CT) layer
*
* Includes a pair of CT buffers for bi-directional communication and tracking
@@ -87,17 +101,17 @@ struct xe_guc_ct {
spinlock_t fast_lock;
/** @ctbs: buffers for sending and receiving commands */
struct {
- /** @send: Host to GuC (H2G, send) channel */
+ /** @ctbs.send: Host to GuC (H2G, send) channel */
struct guc_ctb h2g;
- /** @recv: GuC to Host (G2H, receive) channel */
+ /** @ctbs.recv: GuC to Host (G2H, receive) channel */
struct guc_ctb g2h;
} ctbs;
/** @g2h_outstanding: number of outstanding G2H */
u32 g2h_outstanding;
/** @g2h_worker: worker to process G2H messages */
struct work_struct g2h_worker;
- /** @enabled: CT enabled */
- bool enabled;
+ /** @state: CT state */
+ enum xe_guc_ct_state state;
/** @fence_seqno: G2H fence seqno - 16 bits used by CT */
u32 fence_seqno;
/** @fence_lookup: G2H fence lookup */
@@ -106,6 +120,8 @@ struct xe_guc_ct {
wait_queue_head_t wq;
/** @g2h_fence_wq: wait queue used for G2H fencing */
wait_queue_head_t g2h_fence_wq;
+ /** @g2h_wq: used to process G2H */
+ struct workqueue_struct *g2h_wq;
/** @msg: Message buffer */
u32 msg[GUC_CTB_MSG_MAX_LEN];
/** @fast_msg: Message buffer */