Merge tag 'loongarch-kvm-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD

LoongArch KVM changes for v6.11

1. Add ParaVirt steal time support.
2. Add some VM migration enhancement.
3. Add perf kvm-stat support for loongarch.

3 files changed, 35 insertions, 5 deletions

diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
index 75f00965ab15..d983c48a3b6a 100644
--- a/tools/include/uapi/asm-generic/unistd.h
+++ b/tools/include/uapi/asm-generic/unistd.h
@@ -842,8 +842,11 @@ __SYSCALL(__NR_lsm_set_self_attr, sys_lsm_set_self_attr)
 #define __NR_lsm_list_modules 461
 __SYSCALL(__NR_lsm_list_modules, sys_lsm_list_modules)
 
+#define __NR_mseal 462
+__SYSCALL(__NR_mseal, sys_mseal)
+
 #undef __NR_syscalls
-#define __NR_syscalls 462
+#define __NR_syscalls 463
 
 /*
  * 32 bit systems traditionally used different
diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h
index 2ee338860b7e..d4d86e566e07 100644
--- a/tools/include/uapi/drm/i915_drm.h
+++ b/tools/include/uapi/drm/i915_drm.h
@@ -806,6 +806,12 @@ typedef struct drm_i915_irq_wait {
  */
 #define I915_PARAM_PXP_STATUS		 58
 
+/*
+ * Query if kernel allows marking a context to send a Freq hint to SLPC. This
+ * will enable use of the strategies allowed by the SLPC algorithm.
+ */
+#define I915_PARAM_HAS_CONTEXT_FREQ_HINT	59
+
 /* Must be kept compact -- no holes and well documented */
 
 /**
@@ -2148,6 +2154,15 @@ struct drm_i915_gem_context_param {
  * -EIO: The firmware did not succeed in creating the protected context.
  */
 #define I915_CONTEXT_PARAM_PROTECTED_CONTENT    0xd
+
+/*
+ * I915_CONTEXT_PARAM_LOW_LATENCY:
+ *
+ * Mark this context as a low latency workload which requires aggressive GT
+ * frequency scaling. Use I915_PARAM_HAS_CONTEXT_FREQ_HINT to check if the kernel
+ * supports this per context flag.
+ */
+#define I915_CONTEXT_PARAM_LOW_LATENCY		0xe
 /* Must be kept compact -- no holes and well documented */
 
 	/** @value: Context parameter value to be set or queried */
@@ -2623,19 +2638,29 @@ struct drm_i915_reg_read {
  *
  */
 
+/*
+ * struct drm_i915_reset_stats - Return global reset and other context stats
+ *
+ * Driver keeps few stats for each contexts and also global reset count.
+ * This struct can be used to query those stats.
+ */
 struct drm_i915_reset_stats {
+	/** @ctx_id: ID of the requested context */
 	__u32 ctx_id;
+
+	/** @flags: MBZ */
 	__u32 flags;
 
-	/* All resets since boot/module reload, for all contexts */
+	/** @reset_count: All resets since boot/module reload, for all contexts */
 	__u32 reset_count;
 
-	/* Number of batches lost when active in GPU, for this context */
+	/** @batch_active: Number of batches lost when active in GPU, for this context */
 	__u32 batch_active;
 
-	/* Number of batches lost pending for execution, for this context */
+	/** @batch_pending: Number of batches lost pending for execution, for this context */
 	__u32 batch_pending;
 
+	/** @pad: MBZ */
 	__u32 pad;
 };
 
diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h
index 2f2ee82d5517..67626d535316 100644
--- a/tools/include/uapi/linux/stat.h
+++ b/tools/include/uapi/linux/stat.h
@@ -126,8 +126,9 @@ struct statx {
 	__u64	stx_mnt_id;
 	__u32	stx_dio_mem_align;	/* Memory buffer alignment for direct I/O */
 	__u32	stx_dio_offset_align;	/* File offset alignment for direct I/O */
+	__u64	stx_subvol;	/* Subvolume identifier */
 	/* 0xa0 */
-	__u64	__spare3[12];	/* Spare space for future expansion */
+	__u64	__spare3[11];	/* Spare space for future expansion */
 	/* 0x100 */
 };
 
@@ -155,6 +156,7 @@ struct statx {
 #define STATX_MNT_ID		0x00001000U	/* Got stx_mnt_id */
 #define STATX_DIOALIGN		0x00002000U	/* Want/got direct I/O alignment info */
 #define STATX_MNT_ID_UNIQUE	0x00004000U	/* Want/got extended stx_mount_id */
+#define STATX_SUBVOL		0x00008000U	/* Want/got stx_subvol */
 
 #define STATX__RESERVED		0x80000000U	/* Reserved for future struct statx expansion */