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From 806c281f4307dd321fe8a38ce557e8c983c3ce84 Mon Sep 17 00:00:00 2001
From: Robin Murphy <robin.murphy@arm.com>
Date: Fri, 3 Dec 2021 11:45:02 +0000
Subject: [PATCH 26/40] perf/arm-cmn: Add CI-700 Support
Add the identifiers and events for the CI-700 coherent interconnect.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/28f566ab23a83733c6c9ef9414c010b760b4549c.1638530442.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Upstream-Status: Backport [https://lore.kernel.org/r/28f566ab23a83733c6c9ef9414c010b760b4549c.1638530442.git.robin.murphy@arm.com]
Signed-off-by: Rupinderjit Singh <rupinderjit.singh@arm.com>
---
drivers/perf/arm-cmn.c | 57 +++++++++++++++++++++++++++++++++++++++---
1 file changed, 53 insertions(+), 4 deletions(-)
diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c
index 0a3f33a83c01..28ab87a6cde4 100644
--- a/drivers/perf/arm-cmn.c
+++ b/drivers/perf/arm-cmn.c
@@ -175,6 +175,7 @@
enum cmn_model {
CMN_ANY = -1,
CMN600 = 1,
+ CI700 = 2,
};
/* CMN-600 r0px shouldn't exist in silicon, thankfully */
@@ -186,6 +187,9 @@ enum cmn_revision {
CMN600_R2P0,
CMN600_R3P0,
CMN600_R3P1,
+ CI700_R0P0 = 0,
+ CI700_R1P0,
+ CI700_R2P0,
};
enum cmn_node_type {
@@ -401,8 +405,10 @@ struct arm_cmn_format_attr {
static bool arm_cmn_is_occup_event(enum cmn_model model,
enum cmn_node_type type, unsigned int id)
{
- return (type == CMN_TYPE_DVM && id == 0x05) ||
- (type == CMN_TYPE_HNF && id == 0x0f);
+ if (type == CMN_TYPE_DVM)
+ return (model == CMN600 && id == 0x05) ||
+ (model == CI700 && id == 0x0c);
+ return type == CMN_TYPE_HNF && id == 0x0f;
}
static ssize_t arm_cmn_event_show(struct device *dev,
@@ -497,14 +503,19 @@ static umode_t arm_cmn_event_attr_is_visible(struct kobject *kobj,
__CMN_EVENT_XP(n_##_name, (_event) | (2 << 2)), \
__CMN_EVENT_XP(s_##_name, (_event) | (3 << 2)), \
__CMN_EVENT_XP(p0_##_name, (_event) | (4 << 2)), \
- __CMN_EVENT_XP(p1_##_name, (_event) | (5 << 2))
+ __CMN_EVENT_XP(p1_##_name, (_event) | (5 << 2)), \
+ __CMN_EVENT_XP(p2_##_name, (_event) | (6 << 2)), \
+ __CMN_EVENT_XP(p3_##_name, (_event) | (7 << 2))
/* Good thing there are only 3 fundamental XP events... */
#define CMN_EVENT_XP(_name, _event) \
_CMN_EVENT_XP(req_##_name, (_event) | (0 << 5)), \
_CMN_EVENT_XP(rsp_##_name, (_event) | (1 << 5)), \
_CMN_EVENT_XP(snp_##_name, (_event) | (2 << 5)), \
- _CMN_EVENT_XP(dat_##_name, (_event) | (3 << 5))
+ _CMN_EVENT_XP(dat_##_name, (_event) | (3 << 5)), \
+ _CMN_EVENT_XP(pub_##_name, (_event) | (4 << 5)), \
+ _CMN_EVENT_XP(rsp2_##_name, (_event) | (5 << 5)), \
+ _CMN_EVENT_XP(dat2_##_name, (_event) | (6 << 5))
static struct attribute *arm_cmn_event_attrs[] = {
@@ -522,6 +533,20 @@ static struct attribute *arm_cmn_event_attrs[] = {
_CMN_EVENT_DVM(CMN600, rxreq_trk_occupancy_all, 0x05, 0),
_CMN_EVENT_DVM(CMN600, rxreq_trk_occupancy_dvmop, 0x05, 1),
_CMN_EVENT_DVM(CMN600, rxreq_trk_occupancy_dvmsync, 0x05, 2),
+ CMN_EVENT_DVM(CI700, dvmop_tlbi, 0x01),
+ CMN_EVENT_DVM(CI700, dvmop_bpi, 0x02),
+ CMN_EVENT_DVM(CI700, dvmop_pici, 0x03),
+ CMN_EVENT_DVM(CI700, dvmop_vici, 0x04),
+ CMN_EVENT_DVM(CI700, dvmsync, 0x05),
+ CMN_EVENT_DVM(CI700, vmid_filtered, 0x06),
+ CMN_EVENT_DVM(CI700, rndop_filtered, 0x07),
+ CMN_EVENT_DVM(CI700, retry, 0x08),
+ CMN_EVENT_DVM(CI700, txsnp_flitv, 0x09),
+ CMN_EVENT_DVM(CI700, txsnp_stall, 0x0a),
+ CMN_EVENT_DVM(CI700, trkfull, 0x0b),
+ _CMN_EVENT_DVM(CI700, trk_occupancy_all, 0x0c, 0),
+ _CMN_EVENT_DVM(CI700, trk_occupancy_dvmop, 0x0c, 1),
+ _CMN_EVENT_DVM(CI700, trk_occupancy_dvmsync, 0x0c, 2),
CMN_EVENT_HNF(CMN_ANY, cache_miss, 0x01),
CMN_EVENT_HNF(CMN_ANY, slc_sf_cache_access, 0x02),
@@ -558,6 +583,9 @@ static struct attribute *arm_cmn_event_attrs[] = {
CMN_EVENT_HNF(CMN_ANY, stash_snp_sent, 0x1d),
CMN_EVENT_HNF(CMN_ANY, stash_data_pull, 0x1e),
CMN_EVENT_HNF(CMN_ANY, snp_fwded, 0x1f),
+ CMN_EVENT_HNF(CI700, atomic_fwd, 0x20),
+ CMN_EVENT_HNF(CI700, mpam_hardlim, 0x21),
+ CMN_EVENT_HNF(CI700, mpam_softlim, 0x22),
CMN_EVENT_HNI(rrt_rd_occ_cnt_ovfl, 0x20),
CMN_EVENT_HNI(rrt_wr_occ_cnt_ovfl, 0x21),
@@ -598,6 +626,7 @@ static struct attribute *arm_cmn_event_attrs[] = {
CMN_EVENT_SBSX(CMN_ANY, wdb_occ_cnt_ovfl, 0x14),
CMN_EVENT_SBSX(CMN_ANY, rd_axi_trkr_occ_cnt_ovfl, 0x15),
CMN_EVENT_SBSX(CMN_ANY, cmo_axi_trkr_occ_cnt_ovfl, 0x16),
+ CMN_EVENT_SBSX(CI700, rdb_occ_cnt_ovfl, 0x17),
CMN_EVENT_SBSX(CMN_ANY, arvalid_no_arready, 0x21),
CMN_EVENT_SBSX(CMN_ANY, awvalid_no_awready, 0x22),
CMN_EVENT_SBSX(CMN_ANY, wvalid_no_wready, 0x23),
@@ -624,6 +653,25 @@ static struct attribute *arm_cmn_event_attrs[] = {
CMN_EVENT_RNID(CMN600, rdb_replay, 0x12),
CMN_EVENT_RNID(CMN600, rdb_hybrid, 0x13),
CMN_EVENT_RNID(CMN600, rdb_ord, 0x14),
+ CMN_EVENT_RNID(CI700, padb_occ_ovfl, 0x11),
+ CMN_EVENT_RNID(CI700, rpdb_occ_ovfl, 0x12),
+ CMN_EVENT_RNID(CI700, rrt_occup_ovfl_slice1, 0x13),
+ CMN_EVENT_RNID(CI700, rrt_occup_ovfl_slice2, 0x14),
+ CMN_EVENT_RNID(CI700, rrt_occup_ovfl_slice3, 0x15),
+ CMN_EVENT_RNID(CI700, wrt_throttled, 0x16),
+
+ CMN_EVENT_MTSX(tc_lookup, 0x01),
+ CMN_EVENT_MTSX(tc_fill, 0x02),
+ CMN_EVENT_MTSX(tc_miss, 0x03),
+ CMN_EVENT_MTSX(tdb_forward, 0x04),
+ CMN_EVENT_MTSX(tcq_hazard, 0x05),
+ CMN_EVENT_MTSX(tcq_rd_alloc, 0x06),
+ CMN_EVENT_MTSX(tcq_wr_alloc, 0x07),
+ CMN_EVENT_MTSX(tcq_cmo_alloc, 0x08),
+ CMN_EVENT_MTSX(axi_rd_req, 0x09),
+ CMN_EVENT_MTSX(axi_wr_req, 0x0a),
+ CMN_EVENT_MTSX(tcq_occ_cnt_ovfl, 0x0b),
+ CMN_EVENT_MTSX(tdb_occ_cnt_ovfl, 0x0c),
NULL
};
@@ -1773,6 +1821,7 @@ static int arm_cmn_remove(struct platform_device *pdev)
#ifdef CONFIG_OF
static const struct of_device_id arm_cmn_of_match[] = {
{ .compatible = "arm,cmn-600", .data = (void *)CMN600 },
+ { .compatible = "arm,ci-700", .data = (void *)CI700 },
{}
};
MODULE_DEVICE_TABLE(of, arm_cmn_of_match);
--
2.34.1
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