linux-kernel - [PATCH v2] x86/resctrl: Fix kernel-doc in internal.h

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Date:   Mon, 14 Jun 2021 17:44:38 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     Reinette Chatre <reinette.chatre@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        linux-kernel@...r.kernel.org
Cc:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Subject: [PATCH v2] x86/resctrl: Fix kernel-doc in internal.h

Add description of undocumented parameters. Issues detected by
scripts/kernel-doc.

Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
---

v1->v2: According to a first review by Reinette Chartre, remove changes
unrelated to the subject of this patch and modify the descriptions of
two parameters.
 
 arch/x86/kernel/cpu/resctrl/internal.h | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index c4d320d02fd5..ac691af0174b 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -70,6 +70,7 @@ DECLARE_STATIC_KEY_FALSE(rdt_mon_enable_key);
  * struct mon_evt - Entry in the event list of a resource
  * @evtid:		event id
  * @name:		name of the event
+ * @list:		entry in &rdt_resource->evt_list
  */
 struct mon_evt {
 	u32			evtid;
@@ -78,10 +79,13 @@ struct mon_evt {
 };
 
 /**
- * struct mon_data_bits - Monitoring details for each event file
- * @rid:               Resource id associated with the event file.
+ * union mon_data_bits - Monitoring details for each event file
+ * @priv:	       Used to store monitoring event data in @u
+ * 		       as kernfs private data
+ * @rid:               Resource id associated with the event file
  * @evtid:             Event id associated with the event file
  * @domid:             The domain to which the event file belongs
+ * @u:		       Name of the bit fields struct
  */
 union mon_data_bits {
 	void *priv;
@@ -119,6 +123,7 @@ enum rdt_group_type {
  * @RDT_MODE_PSEUDO_LOCKSETUP: Resource group will be used for Pseudo-Locking
  * @RDT_MODE_PSEUDO_LOCKED: No sharing of this resource group's allocations
  *                          allowed AND the allocations are Cache Pseudo-Locked
+ * @RDT_NUM_MODES: Total number of modes
  *
  * The mode of a resource group enables control over the allowed overlap
  * between allocations associated with different resource groups (classes
@@ -142,7 +147,7 @@ enum rdtgrp_mode {
 
 /**
  * struct mongroup - store mon group's data in resctrl fs.
- * @mon_data_kn		kernlfs node for the mon_data directory
+ * @mon_data_kn:		kernlfs node for the mon_data directory
  * @parent:			parent rdtgrp
  * @crdtgrp_list:		child rdtgroup node list
  * @rmid:			rmid for this rdtgroup
@@ -282,11 +287,11 @@ struct rftype {
 /**
  * struct mbm_state - status for each MBM counter in each domain
  * @chunks:	Total data moved (multiply by rdt_group.mon_scale to get bytes)
- * @prev_msr	Value of IA32_QM_CTR for this RMID last time we read it
+ * @prev_msr:	Value of IA32_QM_CTR for this RMID last time we read it
  * @prev_bw_msr:Value of previous IA32_QM_CTR for bandwidth counting
- * @prev_bw	The most recent bandwidth in MBps
- * @delta_bw	Difference between the current and previous bandwidth
- * @delta_comp	Indicates whether to compute the delta_bw
+ * @prev_bw:	The most recent bandwidth in MBps
+ * @delta_bw:	Difference between the current and previous bandwidth
+ * @delta_comp:	Indicates whether to compute the delta_bw
  */
 struct mbm_state {
 	u64	chunks;
@@ -450,17 +455,19 @@ struct rdt_parse_data {
  * @name:		Name to use in "schemata" file
  * @num_closid:		Number of CLOSIDs available
  * @cache_level:	Which cache level defines scope of this resource
- * @default_ctrl:	Specifies default cache cbm or memory B/W percent.
+ * @default_ctrl:	Specifies default cache cbm or memory B/W percent
  * @msr_base:		Base MSR address for CBMs
  * @msr_update:		Function pointer to update QOS MSRs
  * @data_width:		Character width of data when displaying
  * @domains:		All domains for this resource
  * @cache:		Cache allocation related data
+ * @membw:		Memory bandwidth allocation related data
  * @format_str:		Per resource format string to show domain value
  * @parse_ctrlval:	Per resource function pointer to parse control values
  * @evt_list:		List of monitoring events
  * @num_rmid:		Number of RMIDs available
  * @mon_scale:		cqm counter * mon_scale = occupancy in bytes
+ * @mbm_width:		Width of memory bandwidth monitoring hardware counter
  * @fflags:		flags to choose base and info files
  */
 struct rdt_resource {
-- 
2.32.0