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Date: Wed, 24 Nov 2021 01:43:03 -0800
From: Manish Chopra <manishc@...vell.com>
To: <kuba@...nel.org>
CC: <netdev@...r.kernel.org>, <aelior@...vell.com>,
<palok@...vell.com>, <pkushwaha@...vell.com>
Subject: [PATCH net-next 2/2] qed*: esl priv flag support through ethtool
This patch adds relevant qed APIs to get ESL (enhance system lockdown)
capabilities and current status for ESL, which can be queried via qede
.get_priv_flags() ethtool interface
Signed-off-by: Manish Chopra <manishc@...vell.com>
Signed-off-by: Prabhakar Kushwaha <pkushwaha@...vell.com>
Signed-off-by: Alok Prasad <palok@...vell.com>
Signed-off-by: Ariel Elior <aelior@...vell.com>
---
drivers/net/ethernet/qlogic/qed/qed_main.c | 25 ++++++++++++++++++-
drivers/net/ethernet/qlogic/qed/qed_mcp.c | 22 ++++++++++++++++
drivers/net/ethernet/qlogic/qed/qed_mcp.h | 20 +++++++++++++++
drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h | 1 +
.../net/ethernet/qlogic/qede/qede_ethtool.c | 13 ++++++++++
include/linux/qed/qed_if.h | 3 +++
6 files changed, 83 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index a18d2ea96b26..46d4207f22a3 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -447,7 +447,7 @@ int qed_fill_dev_info(struct qed_dev *cdev,
dev_info->wol_support = true;
dev_info->smart_an = qed_mcp_is_smart_an_supported(p_hwfn);
-
+ dev_info->esl = qed_mcp_is_esl_supported(p_hwfn);
dev_info->abs_pf_id = QED_LEADING_HWFN(cdev)->abs_pf_id;
} else {
qed_vf_get_fw_version(&cdev->hwfns[0], &dev_info->fw_major,
@@ -3028,6 +3028,28 @@ static u8 qed_get_affin_hwfn_idx(struct qed_dev *cdev)
return QED_AFFIN_HWFN_IDX(cdev);
}
+static int qed_get_esl_status(struct qed_dev *cdev, bool *esl_active)
+{
+ struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
+ struct qed_ptt *ptt;
+ int rc = 0;
+
+ *esl_active = false;
+
+ if (IS_VF(cdev))
+ return 0;
+
+ ptt = qed_ptt_acquire(hwfn);
+ if (!ptt)
+ return -EAGAIN;
+
+ rc = qed_mcp_get_esl_status(hwfn, ptt, esl_active);
+
+ qed_ptt_release(hwfn, ptt);
+
+ return rc;
+}
+
static struct qed_selftest_ops qed_selftest_ops_pass = {
.selftest_memory = &qed_selftest_memory,
.selftest_interrupt = &qed_selftest_interrupt,
@@ -3085,6 +3107,7 @@ const struct qed_common_ops qed_common_ops_pass = {
.set_grc_config = &qed_set_grc_config,
.mfw_report = &qed_mfw_report,
.get_sb_info = &qed_get_sb_info,
+ .get_esl_status = &qed_get_esl_status,
};
void qed_get_protocol_stats(struct qed_dev *cdev,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 64678a256f3b..da1eadabcb41 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -4158,3 +4158,25 @@ qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
return qed_mcp_send_debug_data(p_hwfn, p_ptt,
QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
}
+
+bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn)
+{
+ return !!(p_hwfn->mcp_info->capabilities &
+ FW_MB_PARAM_FEATURE_SUPPORT_ENHANCED_SYS_LCK);
+}
+
+int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active)
+{
+ u32 resp = 0, param = 0;
+ int rc;
+
+ rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_GET_MANAGEMENT_STATUS, 0, &resp, ¶m);
+ if (rc) {
+ DP_NOTICE(p_hwfn, "Failed to send ESL command, rc = %d\n", rc);
+ return rc;
+ }
+
+ *active = !!(param & FW_MB_PARAM_MANAGEMENT_STATUS_LOCKDOWN_ENABLED);
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.h b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
index 2c28d5f86497..3cf6dab9e582 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
@@ -1339,4 +1339,24 @@ int qed_mcp_nvm_get_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
u16 option_id, u8 entity_id, u16 flags, u8 *p_buf,
u32 len);
+
+/**
+ * qed_mcp_is_esl_supported(): Return whether management firmware support ESL or not.
+ *
+ * @p_hwfn: hw function pointer
+ *
+ * Return: bool
+ */
+bool qed_mcp_is_esl_supported(struct qed_hwfn *p_hwfn);
+
+/**
+ * qed_mcp_get_esl_status(): Get enhanced system lockdown status
+ *
+ * @p_hwfn: hw function pointer
+ * @p_ptt: ptt resource pointer
+ * @active: ESL active status data pointer
+ *
+ * Return: Int
+ */
+int qed_mcp_get_esl_status(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool *active);
#endif
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h
index 8a0e3c5d4bda..b70ee8200e15 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h
@@ -1191,6 +1191,7 @@ enum drv_msg_code_enum {
DRV_MSG_CODE_CFG_VF_MSIX = DRV_MSG_CODE(0xc001),
DRV_MSG_CODE_CFG_PF_VFS_MSIX = DRV_MSG_CODE(0xc002),
DRV_MSG_CODE_DEBUG_DATA_SEND = DRV_MSG_CODE(0xc004),
+ DRV_MSG_CODE_GET_MANAGEMENT_STATUS = DRV_MSG_CODE(0xc007),
};
#define DRV_MSG_CODE_VMAC_TYPE_SHIFT 4
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 100c9c52c20b..97a7ab0826ed 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -168,6 +168,8 @@ enum {
QEDE_PRI_FLAG_CMT,
QEDE_PRI_FLAG_SMART_AN_SUPPORT, /* MFW supports SmartAN */
QEDE_PRI_FLAG_RECOVER_ON_ERROR,
+ QEDE_PRI_FLAG_ESL_SUPPORT, /* MFW supports Enhanced System Lockdown */
+ QEDE_PRI_FLAG_ESL_ACTIVE, /* Enhanced System Lockdown Active status */
QEDE_PRI_FLAG_LEN,
};
@@ -175,6 +177,8 @@ static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
"Coupled-Function",
"SmartAN capable",
"Recover on error",
+ "ESL capable",
+ "ESL active",
};
enum qede_ethtool_tests {
@@ -478,6 +482,7 @@ static int qede_get_sset_count(struct net_device *dev, int stringset)
static u32 qede_get_priv_flags(struct net_device *dev)
{
struct qede_dev *edev = netdev_priv(dev);
+ bool esl_active;
u32 flags = 0;
if (edev->dev_info.common.num_hwfns > 1)
@@ -489,6 +494,14 @@ static u32 qede_get_priv_flags(struct net_device *dev)
if (edev->err_flags & BIT(QEDE_ERR_IS_RECOVERABLE))
flags |= BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR);
+ if (edev->dev_info.common.esl)
+ flags |= BIT(QEDE_PRI_FLAG_ESL_SUPPORT);
+
+ edev->ops->common->get_esl_status(edev->cdev, &esl_active);
+
+ if (esl_active)
+ flags |= BIT(QEDE_PRI_FLAG_ESL_ACTIVE);
+
return flags;
}
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 9f4bfa2a4829..6dc4943d8aec 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -652,6 +652,7 @@ struct qed_dev_info {
bool wol_support;
bool smart_an;
+ bool esl;
/* MBI version */
u32 mbi_version;
@@ -1205,6 +1206,8 @@ struct qed_common_ops {
int (*get_sb_info)(struct qed_dev *cdev, struct qed_sb_info *sb,
u16 qid, struct qed_sb_info_dbg *sb_dbg);
+
+ int (*get_esl_status)(struct qed_dev *cdev, bool *esl_active);
};
#define MASK_FIELD(_name, _value) \
--
2.27.0
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