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Date: Thu, 26 Oct 2017 17:18:34 +0530
From: Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, ganeshgr@...lsio.com, nirranjan@...lsio.com,
indranil@...lsio.com,
Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
Subject: [PATCH net-next 2/8] cxgb4: collect CIM queue configuration dump
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@...lsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@...lsio.com>
---
drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h | 9 ++++++
drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h | 1 +
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c | 39 +++++++++++++++++++++++
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h | 3 ++
drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c | 4 +++
5 files changed, 56 insertions(+)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
index 50540a6379a4..ab15c3dfa04e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
@@ -33,6 +33,15 @@ struct cudbg_mbox_log {
u32 lo[MBOX_LEN / 8];
};
+struct cudbg_cim_qcfg {
+ u8 chip;
+ u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
+ u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
+ u16 thres[CIM_NUM_IBQ];
+ u32 obq_wr[2 * CIM_NUM_OBQ_T5];
+ u32 stat[4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5)];
+};
+
struct ireg_field {
u32 ireg_addr;
u32 ireg_data;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
index f65db1b89fdc..be031aba2706 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_if.h
@@ -31,6 +31,7 @@ enum cudbg_dbg_entity_type {
CUDBG_DEV_LOG = 2,
CUDBG_CIM_LA = 3,
CUDBG_CIM_MA_LA = 4,
+ CUDBG_CIM_QCFG = 5,
CUDBG_CIM_IBQ_TP0 = 6,
CUDBG_CIM_IBQ_TP1 = 7,
CUDBG_CIM_IBQ_ULP = 8,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index 8b5a12b19844..596f2b8e41cf 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -192,6 +192,45 @@ int cudbg_collect_cim_ma_la(struct cudbg_init *pdbg_init,
return rc;
}
+int cudbg_collect_cim_qcfg(struct cudbg_init *pdbg_init,
+ struct cudbg_buffer *dbg_buff,
+ struct cudbg_error *cudbg_err)
+{
+ struct adapter *padap = pdbg_init->adap;
+ struct cudbg_buffer temp_buff = { 0 };
+ struct cudbg_cim_qcfg *cim_qcfg_data;
+ int rc;
+
+ rc = cudbg_get_buff(dbg_buff, sizeof(struct cudbg_cim_qcfg),
+ &temp_buff);
+ if (rc)
+ return rc;
+
+ cim_qcfg_data = (struct cudbg_cim_qcfg *)temp_buff.data;
+ cim_qcfg_data->chip = padap->params.chip;
+ rc = t4_cim_read(padap, UP_IBQ_0_RDADDR_A,
+ ARRAY_SIZE(cim_qcfg_data->stat), cim_qcfg_data->stat);
+ if (rc) {
+ cudbg_err->sys_err = rc;
+ cudbg_put_buff(&temp_buff, dbg_buff);
+ return rc;
+ }
+
+ rc = t4_cim_read(padap, UP_OBQ_0_REALADDR_A,
+ ARRAY_SIZE(cim_qcfg_data->obq_wr),
+ cim_qcfg_data->obq_wr);
+ if (rc) {
+ cudbg_err->sys_err = rc;
+ cudbg_put_buff(&temp_buff, dbg_buff);
+ return rc;
+ }
+
+ t4_read_cimq_cfg(padap, cim_qcfg_data->base, cim_qcfg_data->size,
+ cim_qcfg_data->thres);
+ cudbg_write_and_release_buff(&temp_buff, dbg_buff);
+ return rc;
+}
+
static int cudbg_read_cim_ibq(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err, int qid)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
index ad6eff3c33c3..f42b7420ff09 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.h
@@ -30,6 +30,9 @@ int cudbg_collect_cim_la(struct cudbg_init *pdbg_init,
int cudbg_collect_cim_ma_la(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
+int cudbg_collect_cim_qcfg(struct cudbg_init *pdbg_init,
+ struct cudbg_buffer *dbg_buff,
+ struct cudbg_error *cudbg_err);
int cudbg_collect_cim_ibq_tp0(struct cudbg_init *pdbg_init,
struct cudbg_buffer *dbg_buff,
struct cudbg_error *cudbg_err);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
index 8bc1b1decf30..611ece7b7e5a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_cudbg.c
@@ -31,6 +31,7 @@ static const struct cxgb4_collect_entity cxgb4_collect_hw_dump[] = {
{ CUDBG_REG_DUMP, cudbg_collect_reg_dump },
{ CUDBG_CIM_LA, cudbg_collect_cim_la },
{ CUDBG_CIM_MA_LA, cudbg_collect_cim_ma_la },
+ { CUDBG_CIM_QCFG, cudbg_collect_cim_qcfg },
{ CUDBG_CIM_IBQ_TP0, cudbg_collect_cim_ibq_tp0 },
{ CUDBG_CIM_IBQ_TP1, cudbg_collect_cim_ibq_tp1 },
{ CUDBG_CIM_IBQ_ULP, cudbg_collect_cim_ibq_ulp },
@@ -92,6 +93,9 @@ static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity)
case CUDBG_CIM_MA_LA:
len = 2 * CIM_MALA_SIZE * 5 * sizeof(u32);
break;
+ case CUDBG_CIM_QCFG:
+ len = sizeof(struct cudbg_cim_qcfg);
+ break;
case CUDBG_CIM_IBQ_TP0:
case CUDBG_CIM_IBQ_TP1:
case CUDBG_CIM_IBQ_ULP:
--
2.14.1
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