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Date: Sun, 17 Nov 2019 21:44:22 +0530
From: sunil.kovvuri@...il.com
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, Pavan Nikhilesh <pbhagavatula@...vell.com>,
Sunil Goutham <sgoutham@...vell.com>
Subject: [PATCH 11/15] octeontx2-af: add debugfs support for sso
From: Pavan Nikhilesh <pbhagavatula@...vell.com>
Add debugfs for HWGRP performance counter stats, internal queue walks
and few HWS debug registers.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@...vell.com>
Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu.h | 3 +
.../ethernet/marvell/octeontx2/af/rvu_debugfs.c | 699 +++++++++++++++++++++
2 files changed, 702 insertions(+)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index efa9832..595dfa7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -50,6 +50,9 @@ struct rvu_debugfs {
struct dentry *npa;
struct dentry *nix;
struct dentry *npc;
+ struct dentry *sso;
+ struct dentry *sso_hwgrp;
+ struct dentry *sso_hws;
struct dump_ctx npa_aura_ctx;
struct dump_ctx npa_pool_ctx;
struct dump_ctx nix_cq_ctx;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index 77adad4..524d56d 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -1676,6 +1676,704 @@ static void rvu_dbg_npc_init(struct rvu *rvu)
debugfs_remove_recursive(rvu->rvu_dbg.npc);
}
+static int parse_sso_cmd_buffer(char *cmd_buf, size_t *count,
+ const char __user *buffer, int *ssolf,
+ bool *all)
+{
+ int ret, bytes_not_copied;
+ char *cmd_buf_tmp;
+ char *subtoken;
+
+ bytes_not_copied = copy_from_user(cmd_buf, buffer, *count);
+ if (bytes_not_copied)
+ return -EFAULT;
+
+ cmd_buf[*count] = '\0';
+ cmd_buf_tmp = strchr(cmd_buf, '\n');
+
+ if (cmd_buf_tmp) {
+ *cmd_buf_tmp = '\0';
+ *count = cmd_buf_tmp - cmd_buf + 1;
+ }
+
+ subtoken = strsep(&cmd_buf, " ");
+ if (subtoken && strcmp(subtoken, "all") == 0) {
+ *all = true;
+ } else {
+ ret = subtoken ? kstrtoint(subtoken, 10, ssolf) : -EINVAL;
+ if (ret < 0)
+ return ret;
+ }
+ if (cmd_buf)
+ return -EINVAL;
+
+ return 0;
+}
+
+static void sso_hwgrp_display_iq_list(struct rvu *rvu, int ssolf, u16 idx,
+ u16 tail_idx, u8 queue_type)
+{
+ const char *queue[3] = {"DQ", "CQ", "AQ"};
+ int blkaddr;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ pr_info("SSO HWGGRP[%d] [%s] Chain queue head[%d]", ssolf,
+ queue[queue_type], idx);
+ pr_info("SSO HWGGRP[%d] [%s] Chain queue tail[%d]", ssolf,
+ queue[queue_type], tail_idx);
+ pr_info("--------------------------------------------------\n");
+ do {
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_TAG(idx));
+ pr_info("SSO HWGGRP[%d] [%s] IE[%d] TAG 0x%llx\n", ssolf,
+ queue[queue_type], idx, reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_GRP(idx));
+ pr_info("SSO HWGGRP[%d] [%s] IE[%d] GRP 0x%llx\n", ssolf,
+ queue[queue_type], idx, reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_PENDTAG(idx));
+ pr_info("SSO HWGGRP[%d] [%s] IE[%d] PENDTAG 0x%llx\n", ssolf,
+ queue[queue_type], idx, reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_LINKS(idx));
+ pr_info("SSO HWGGRP[%d] [%s] IE[%d] LINKS 0x%llx\n", ssolf,
+ queue[queue_type], idx, reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_QLINKS(idx));
+ pr_info("SSO HWGGRP[%d] [%s] IE[%d] QLINKS 0x%llx\n", ssolf,
+ queue[queue_type], idx, reg);
+ pr_info("--------------------------------------------------\n");
+ if (idx == tail_idx)
+ break;
+ idx = reg & 0x1FFF;
+ } while (idx != 0x1FFF);
+}
+
+static void sso_hwgrp_display_taq_list(struct rvu *rvu, int ssolf, u8 wae_head,
+ u16 ent_head, u8 wae_used, u8 taq_lines)
+{
+ int i, blkaddr;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ pr_info("--------------------------------------------------\n");
+ do {
+ for (i = wae_head; i < taq_lines && wae_used; i++) {
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_TAQX_WAEY_TAG(ent_head, i));
+ pr_info("SSO HWGGRP[%d] TAQ[%d] WAE[%d] TAG 0x%llx\n",
+ ssolf, ent_head, i, reg);
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_TAQX_WAEY_WQP(ent_head, i));
+ pr_info("SSO HWGGRP[%d] TAQ[%d] WAE[%d] WQP 0x%llx\n",
+ ssolf, ent_head, i, reg);
+ wae_used--;
+ }
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_TAQX_LINK(ent_head));
+ pr_info("SSO HWGGRP[%d] TAQ[%d] LINK 0x%llx\n",
+ ssolf, ent_head, reg);
+ ent_head = reg & 0x7FF;
+ pr_info("--------------------------------------------------\n");
+ } while (ent_head && wae_used);
+}
+
+static int read_sso_pc(struct rvu *rvu)
+{
+ int blkaddr;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return -ENODEV;
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_ACTIVE_CYCLES0);
+ pr_info("SSO Add-Work active cycles %lld\n", reg);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_ACTIVE_CYCLES1);
+ pr_info("SSO Get-Work active cycles %lld\n", reg);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_ACTIVE_CYCLES2);
+ pr_info("SSO Work-Slot active cycles %lld\n", reg);
+ pr_info("\n");
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_NOS_CNT) & 0x1FFF;
+ pr_info("SSO work-queue entries on the no-schedule list %lld\n", reg);
+ pr_info("\n");
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_AW_READ_ARB);
+ pr_info("SSO XAQ reads outstanding %lld\n",
+ (reg >> 24) & 0x3F);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_XAQ_REQ_PC);
+ pr_info("SSO XAQ reads requests %lld\n", reg);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_XAQ_LATENCY_PC);
+ pr_info("SSO XAQ read latency cycles %lld\n", reg);
+ pr_info("\n");
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_AW_WE);
+ pr_info("SSO IAQ reserved %lld\n",
+ (reg >> 16) & 0x3FFF);
+ pr_info("SSO IAQ total %lld\n", reg & 0x3FFF);
+ pr_info("\n");
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_TAQ_CNT);
+ pr_info("SSO TAQ reserved %lld\n",
+ (reg >> 16) & 0x7FF);
+ pr_info("SSO TAQ total %lld\n", reg & 0x7FF);
+ pr_info("\n");
+
+ return 0;
+}
+
+/* Reads SSO hwgrp perfomance counters */
+static void read_sso_hwgrp_pc(struct rvu *rvu, int ssolf, bool all)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ struct rvu_block *block;
+ int blkaddr, max_id;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ block = &hw->block[blkaddr];
+ if (ssolf < 0 || ssolf >= block->lf.max) {
+ pr_info("Invalid SSOLF(HWGRP), valid range is 0-%d\n",
+ block->lf.max - 1);
+ return;
+ }
+ max_id = block->lf.max;
+
+ if (all)
+ ssolf = 0;
+ else
+ max_id = ssolf + 1;
+
+ pr_info("==================================================\n");
+ for (; ssolf < max_id; ssolf++) {
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWGRPX_WS_PC(ssolf));
+ pr_info("SSO HWGGRP[%d] Work-Schedule PC 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWGRPX_EXT_PC(ssolf));
+ pr_info("SSO HWGGRP[%d] External Schedule PC 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWGRPX_WA_PC(ssolf));
+ pr_info("SSO HWGGRP[%d] Work-Add PC 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWGRPX_TS_PC(ssolf));
+ pr_info("SSO HWGGRP[%d] Tag Switch PC 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWGRPX_DS_PC(ssolf));
+ pr_info("SSO HWGGRP[%d] Deschedule PC 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWGRPX_DQ_PC(ssolf));
+ pr_info("SSO HWGGRP[%d] Work-Descheduled PC 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_HWGRPX_PAGE_CNT(ssolf));
+ pr_info("SSO HWGGRP[%d] In-use Page Count 0x%llx\n", ssolf,
+ reg);
+ pr_info("==================================================\n");
+ }
+}
+
+/* Reads SSO hwgrp Threshold */
+static void read_sso_hwgrp_thresh(struct rvu *rvu, int ssolf, bool all)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ struct rvu_block *block;
+ int blkaddr, max_id;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ block = &hw->block[blkaddr];
+ if (ssolf < 0 || ssolf >= block->lf.max) {
+ pr_info("Invalid SSOLF(HWGRP), valid range is 0-%d\n",
+ block->lf.max - 1);
+ return;
+ }
+ max_id = block->lf.max;
+
+ if (all)
+ ssolf = 0;
+ else
+ max_id = ssolf + 1;
+
+ pr_info("==================================================\n");
+ for (; ssolf < max_id; ssolf++) {
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_HWGRPX_IAQ_THR(ssolf));
+ pr_info("SSO HWGGRP[%d] IAQ Threshold 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_HWGRPX_TAQ_THR(ssolf));
+ pr_info("SSO HWGGRP[%d] TAQ Threshold 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_HWGRPX_XAQ_AURA(ssolf));
+ pr_info("SSO HWGGRP[%d] XAQ Aura 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_HWGRPX_XAQ_LIMIT(ssolf));
+ pr_info("SSO HWGGRP[%d] XAQ Limit 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_HWGRPX_IU_ACCNT(ssolf));
+ pr_info("SSO HWGGRP[%d] IU Account Index 0x%llx\n", ssolf,
+ reg);
+
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_IU_ACCNTX_CFG(reg & 0xFF));
+ pr_info("SSO HWGGRP[%d] IU Accounting Cfg 0x%llx\n", ssolf,
+ reg);
+ pr_info("==================================================\n");
+ }
+}
+
+/* Reads SSO hwgrp TAQ list */
+static void read_sso_hwgrp_taq_list(struct rvu *rvu, int ssolf, bool all)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ u8 taq_entries, wae_head;
+ struct rvu_block *block;
+ u16 ent_head, cl_used;
+ int blkaddr, max_id;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ block = &hw->block[blkaddr];
+ if (ssolf < 0 || ssolf >= block->lf.max) {
+ pr_info("Invalid SSOLF(HWGRP), valid range is 0-%d\n",
+ block->lf.max - 1);
+ return;
+ }
+ max_id = block->lf.max;
+
+ if (all)
+ ssolf = 0;
+ else
+ max_id = ssolf + 1;
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_CONST);
+ taq_entries = (reg >> 48) & 0xFF;
+ pr_info("==================================================\n");
+ for (; ssolf < max_id; ssolf++) {
+ pr_info("++++++++++++++++++++++++++++++++++++++++++++++++++\n");
+ pr_info("SSO HWGGRP[%d] Transitory Output Admission Queue",
+ ssolf);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_TOAQX_STATUS(ssolf));
+ pr_info("SSO HWGGRP[%d] TOAQ Status 0x%llx\n", ssolf,
+ reg);
+ ent_head = (reg >> 12) & 0x7FF;
+ cl_used = (reg >> 32) & 0x7FF;
+ if (reg & BIT_ULL(61) && cl_used) {
+ pr_info("SSO HWGGRP[%d] TOAQ CL_USED 0x%x\n",
+ ssolf, cl_used);
+ sso_hwgrp_display_taq_list(rvu, ssolf, ent_head, 0,
+ cl_used * taq_entries,
+ taq_entries);
+ }
+ pr_info("++++++++++++++++++++++++++++++++++++++++++++++++++\n");
+ pr_info("SSO HWGGRP[%d] Transitory Input Admission Queue",
+ ssolf);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_TIAQX_STATUS(ssolf));
+ pr_info("SSO HWGGRP[%d] TIAQ Status 0x%llx\n", ssolf,
+ reg);
+ wae_head = (reg >> 60) & 0xF;
+ cl_used = (reg >> 32) & 0x7FFF;
+ ent_head = (reg >> 12) & 0x7FF;
+ if (reg & BIT_ULL(61) && cl_used) {
+ pr_info("SSO HWGGRP[%d] TIAQ WAE_USED 0x%x\n",
+ ssolf, cl_used);
+ sso_hwgrp_display_taq_list(rvu, ssolf, ent_head,
+ wae_head, cl_used,
+ taq_entries);
+ }
+ pr_info("++++++++++++++++++++++++++++++++++++++++++++++++++\n");
+ pr_info("==================================================\n");
+ }
+}
+
+/* Reads SSO hwgrp IAQ list */
+static void read_sso_hwgrp_iaq_list(struct rvu *rvu, int ssolf, bool all)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ struct rvu_block *block;
+ u16 head_idx, tail_idx;
+ int blkaddr, max_id;
+ u64 reg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ block = &hw->block[blkaddr];
+ if (ssolf < 0 || ssolf >= block->lf.max) {
+ pr_info("Invalid SSOLF(HWGRP), valid range is 0-%d\n",
+ block->lf.max - 1);
+ return;
+ }
+ max_id = block->lf.max;
+
+ if (all)
+ ssolf = 0;
+ else
+ max_id = ssolf + 1;
+ pr_info("==================================================\n");
+ for (; ssolf < max_id; ssolf++) {
+ pr_info("++++++++++++++++++++++++++++++++++++++++++++++++++\n");
+ pr_info("SSO HWGGRP[%d] Deschedule Queue(DQ)\n", ssolf);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IPL_DESCHEDX(ssolf));
+ pr_info("SSO HWGGRP[%d] DQ List 0x%llx\n", ssolf,
+ reg);
+ head_idx = (reg >> 13) & 0x1FFF;
+ tail_idx = reg & 0x1FFF;
+ if (reg & (BIT_ULL(26) | BIT_ULL(27)))
+ sso_hwgrp_display_iq_list(rvu, ssolf, head_idx,
+ tail_idx, 0);
+ pr_info("++++++++++++++++++++++++++++++++++++++++++++++++++\n");
+ pr_info("SSO HWGGRP[%d] Conflict Queue(CQ)\n", ssolf);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IPL_CONFX(ssolf));
+ pr_info("SSO HWGGRP[%d] CQ List 0x%llx\n", ssolf,
+ reg);
+ head_idx = (reg >> 13) & 0x1FFF;
+ tail_idx = reg & 0x1FFF;
+ if (reg & (BIT_ULL(26) | BIT_ULL(27)))
+ sso_hwgrp_display_iq_list(rvu, ssolf, head_idx,
+ tail_idx, 1);
+ pr_info("++++++++++++++++++++++++++++++++++++++++++++++++++\n");
+ pr_info("SSO HWGGRP[%d] Admission Queue(AQ)\n", ssolf);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IPL_IAQX(ssolf));
+ pr_info("SSO HWGGRP[%d] AQ List 0x%llx\n", ssolf,
+ reg);
+ head_idx = (reg >> 13) & 0x1FFF;
+ tail_idx = reg & 0x1FFF;
+ if (reg & (BIT_ULL(26) | BIT_ULL(27)))
+ sso_hwgrp_display_iq_list(rvu, ssolf, head_idx,
+ tail_idx, 2);
+ pr_info("++++++++++++++++++++++++++++++++++++++++++++++++++\n");
+ pr_info("==================================================\n");
+ }
+}
+
+/* Reads SSO hwgrp IENT list */
+static int read_sso_hwgrp_ient_list(struct rvu *rvu)
+{
+ const char *tt_c[4] = {"SSO_TT_ORDERED_", "SSO_TT_ATOMIC__",
+ "SSO_TT_UNTAGGED", "SSO_TT_EMPTY___"};
+ struct rvu_hwinfo *hw = rvu->hw;
+ int max_idx = hw->sso.sso_iue;
+ u64 pendtag, qlinks, links;
+ int len, idx, blkaddr;
+ u64 tag, grp, wqp;
+ char str[300];
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return -ENODEV;
+
+ for (idx = 0; idx < max_idx; idx++) {
+ len = 0;
+ tag = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_TAG(idx));
+ grp = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_GRP(idx));
+ pendtag = rvu_read64(rvu, blkaddr,
+ SSO_AF_IENTX_PENDTAG(idx));
+ links = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_LINKS(idx));
+ qlinks = rvu_read64(rvu, blkaddr,
+ SSO_AF_IENTX_QLINKS(idx));
+ wqp = rvu_read64(rvu, blkaddr, SSO_AF_IENTX_WQP(idx));
+ len = snprintf(str + len, 300,
+ "SSO IENT[%4d] TT [%s] HWGRP [%3lld] ", idx,
+ tt_c[(tag >> 32) & 0x3], (grp >> 48) & 0x1f);
+ len += snprintf(str + len, 300 - len,
+ "TAG [0x%010llx] GRP [0x%016llx] ", tag, grp);
+ len += snprintf(str + len, 300 - len, "PENDTAG [0x%010llx] ",
+ pendtag);
+ len += snprintf(str + len, 300 - len,
+ "LINKS [0x%016llx] QLINKS [0x%010llx] ", links,
+ qlinks);
+ snprintf(str + len, 300 - len, "WQP [0x%016llx]\n", wqp);
+ pr_info("%s", str);
+ }
+
+ return 0;
+}
+
+/* Reads SSO hwgrp free list */
+static int read_sso_hwgrp_free_list(struct rvu *rvu)
+{
+ int blkaddr;
+ u64 reg;
+ u8 idx;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return -ENODEV;
+
+ pr_info("==================================================\n");
+ for (idx = 0; idx < 4; idx++) {
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_IPL_FREEX(idx));
+ pr_info("SSO FREE LIST[%d]\n", idx);
+ pr_info("qnum_head : %lld qnum_tail : %lld\n",
+ (reg >> 58) & 0x3, (reg >> 56) & 0x3);
+ pr_info("queue_cnt : %llx\n", (reg >> 26) & 0x7fff);
+ pr_info("queue_val : %lld queue_head : %4lld queue_tail %4lld\n"
+ , (reg >> 40) & 0x1, (reg >> 13) & 0x1fff,
+ reg & 0x1fff);
+ pr_info("==================================================\n");
+ }
+
+ return 0;
+}
+
+/* Reads SSO hwgrp perfomance counters */
+static void read_sso_hws_info(struct rvu *rvu, int ssowlf, bool all)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ struct rvu_block *block;
+ int blkaddr;
+ int max_id;
+ u64 reg;
+ u8 mask;
+ u8 set;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSOW, 0);
+ if (blkaddr < 0)
+ return;
+
+ block = &hw->block[blkaddr];
+ if (ssowlf < 0 || ssowlf >= block->lf.max) {
+ pr_info("Invalid SSOWLF(HWS), valid range is 0-%d\n",
+ block->lf.max - 1);
+ return;
+ }
+ max_id = block->lf.max;
+
+ if (all)
+ ssowlf = 0;
+ else
+ max_id = ssowlf + 1;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_SSO, 0);
+ if (blkaddr < 0)
+ return;
+
+ pr_info("==================================================\n");
+ for (; ssowlf < max_id; ssowlf++) {
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWSX_ARB(ssowlf));
+ pr_info("SSOW HWS[%d] Arbitration State 0x%llx\n", ssowlf,
+ reg);
+ reg = rvu_read64(rvu, blkaddr, SSO_AF_HWSX_GMCTL(ssowlf));
+ pr_info("SSOW HWS[%d] Guest Machine Control 0x%llx\n", ssowlf,
+ reg);
+ for (set = 0; set < 2; set++)
+ for (mask = 0; mask < 4; mask++) {
+ reg = rvu_read64(rvu, blkaddr,
+ SSO_AF_HWSX_SX_GRPMSKX(ssowlf, set, mask));
+ pr_info("SSOW HWS[%d] SET[%d] Group Mask[%d] 0x%llx\n",
+ ssowlf, set, mask, reg);
+ }
+ pr_info("==================================================\n");
+ }
+}
+
+typedef void (*sso_dump_cb)(struct rvu *rvu, int ssolf, bool all);
+
+static ssize_t rvu_dbg_sso_cmd_parser(struct file *filp,
+ const char __user *buffer, size_t count,
+ loff_t *ppos, char *lf_type,
+ char *file_nm, sso_dump_cb fn)
+{
+ struct rvu *rvu = filp->private_data;
+ bool all = false;
+ char *cmd_buf;
+ int lf = 0;
+
+ if ((*ppos != 0) || !count)
+ return -EINVAL;
+
+ cmd_buf = kzalloc(count + 1, GFP_KERNEL);
+ if (!cmd_buf)
+ return -ENOSPC;
+
+ if (parse_sso_cmd_buffer(cmd_buf, &count, buffer,
+ &lf, &all) < 0) {
+ pr_info("Usage: echo [<%s>/all] > %s\n", lf_type, file_nm);
+ } else {
+ fn(rvu, lf, all);
+ }
+ kfree(cmd_buf);
+
+ return count;
+}
+
+/* SSO debugfs APIs */
+static ssize_t rvu_dbg_sso_pc_display(struct file *filp,
+ char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return read_sso_pc(filp->private_data);
+}
+
+static ssize_t rvu_dbg_sso_hwgrp_pc_display(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return rvu_dbg_sso_cmd_parser(filp, buffer, count, ppos, "hwgrp",
+ "sso_hwgrp_pc", read_sso_hwgrp_pc);
+}
+
+static ssize_t rvu_dbg_sso_hwgrp_thresh_display(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return rvu_dbg_sso_cmd_parser(filp, buffer, count, ppos, "hwgrp",
+ "sso_hwgrp_thresh", read_sso_hwgrp_thresh);
+}
+
+static ssize_t rvu_dbg_sso_hwgrp_taq_wlk_display(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return rvu_dbg_sso_cmd_parser(filp, buffer, count, ppos, "hwgrp",
+ "sso_hwgrp_taq_wlk", read_sso_hwgrp_taq_list);
+}
+
+static ssize_t rvu_dbg_sso_hwgrp_iaq_wlk_display(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return rvu_dbg_sso_cmd_parser(filp, buffer, count, ppos, "hwgrp",
+ "sso_hwgrp_iaq_wlk", read_sso_hwgrp_iaq_list);
+}
+
+static ssize_t rvu_dbg_sso_hwgrp_ient_wlk_display(struct file *filp,
+ char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return read_sso_hwgrp_ient_list(filp->private_data);
+}
+
+static ssize_t rvu_dbg_sso_hwgrp_fl_wlk_display(struct file *filp,
+ char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return read_sso_hwgrp_free_list(filp->private_data);
+}
+
+static ssize_t rvu_dbg_sso_hws_info_display(struct file *filp,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ return rvu_dbg_sso_cmd_parser(filp, buffer, count, ppos, "hws",
+ "sso_hws_info", read_sso_hws_info);
+}
+
+RVU_DEBUG_FOPS(sso_pc, sso_pc_display, NULL);
+RVU_DEBUG_FOPS(sso_hwgrp_pc, NULL, sso_hwgrp_pc_display);
+RVU_DEBUG_FOPS(sso_hwgrp_thresh, NULL, sso_hwgrp_thresh_display);
+RVU_DEBUG_FOPS(sso_hwgrp_taq_wlk, NULL, sso_hwgrp_taq_wlk_display);
+RVU_DEBUG_FOPS(sso_hwgrp_iaq_wlk, NULL, sso_hwgrp_iaq_wlk_display);
+RVU_DEBUG_FOPS(sso_hwgrp_ient_wlk, sso_hwgrp_ient_wlk_display, NULL);
+RVU_DEBUG_FOPS(sso_hwgrp_fl_wlk, sso_hwgrp_fl_wlk_display, NULL);
+RVU_DEBUG_FOPS(sso_hws_info, NULL, sso_hws_info_display);
+
+static void rvu_dbg_sso_init(struct rvu *rvu)
+{
+ const struct device *dev = &rvu->pdev->dev;
+ struct dentry *pfile;
+
+ rvu->rvu_dbg.sso = debugfs_create_dir("sso", rvu->rvu_dbg.root);
+ if (!rvu->rvu_dbg.sso)
+ return;
+
+ rvu->rvu_dbg.sso_hwgrp = debugfs_create_dir("hwgrp", rvu->rvu_dbg.sso);
+ if (!rvu->rvu_dbg.sso_hwgrp)
+ return;
+
+ rvu->rvu_dbg.sso_hws = debugfs_create_dir("hws", rvu->rvu_dbg.sso);
+ if (!rvu->rvu_dbg.sso_hws)
+ return;
+
+ pfile = debugfs_create_file("sso_pc", 0600,
+ rvu->rvu_dbg.sso, rvu,
+ &rvu_dbg_sso_pc_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("sso_hwgrp_pc", 0600,
+ rvu->rvu_dbg.sso_hwgrp, rvu,
+ &rvu_dbg_sso_hwgrp_pc_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("sso_hwgrp_thresh", 0600,
+ rvu->rvu_dbg.sso_hwgrp, rvu,
+ &rvu_dbg_sso_hwgrp_thresh_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("sso_hwgrp_taq_walk", 0600,
+ rvu->rvu_dbg.sso_hwgrp, rvu,
+ &rvu_dbg_sso_hwgrp_taq_wlk_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("sso_hwgrp_iaq_walk", 0600,
+ rvu->rvu_dbg.sso_hwgrp, rvu,
+ &rvu_dbg_sso_hwgrp_iaq_wlk_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("sso_hwgrp_ient_walk", 0600,
+ rvu->rvu_dbg.sso_hwgrp, rvu,
+ &rvu_dbg_sso_hwgrp_ient_wlk_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("sso_hwgrp_free_list_walk", 0600,
+ rvu->rvu_dbg.sso_hwgrp, rvu,
+ &rvu_dbg_sso_hwgrp_fl_wlk_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("sso_hws_info", 0600,
+ rvu->rvu_dbg.sso_hws, rvu,
+ &rvu_dbg_sso_hws_info_fops);
+ if (!pfile)
+ goto create_failed;
+
+ return;
+
+create_failed:
+ dev_err(dev, "Failed to create debugfs dir/file for SSO\n");
+ debugfs_remove_recursive(rvu->rvu_dbg.sso);
+}
+
void rvu_dbg_init(struct rvu *rvu)
{
struct device *dev = &rvu->pdev->dev;
@@ -1695,6 +2393,7 @@ void rvu_dbg_init(struct rvu *rvu)
rvu_dbg_nix_init(rvu);
rvu_dbg_cgx_init(rvu);
rvu_dbg_npc_init(rvu);
+ rvu_dbg_sso_init(rvu);
return;
--
2.7.4
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