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From: Simei Su <simei.su@intel.com>
To: qi.z.zhang@intel.com
Cc: dev@dpdk.org, haiyue.wang@intel.com,
	Jacob Keller <jacob.e.keller@intel.com>
Subject: [dpdk-dev] [PATCH 1/4] net/ice/base: add 1588 capability probe
Date: Fri,  6 Aug 2021 09:34:21 +0800	[thread overview]
Message-ID: <20210806013424.186010-2-simei.su@intel.com> (raw)
In-Reply-To: <20210806013424.186010-1-simei.su@intel.com>

From: Qi Zhang <qi.z.zhang@intel.com>

Parse 1588 timesync capability during device capability probing.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_adminq_cmd.h |   1 +
 drivers/net/ice/base/ice_common.c     | 111 ++++++++++++++++++++++++++++++++++
 drivers/net/ice/base/ice_type.h       |  72 ++++++++++++++++++++++
 3 files changed, 184 insertions(+)

diff --git a/drivers/net/ice/base/ice_adminq_cmd.h b/drivers/net/ice/base/ice_adminq_cmd.h
index 3805fc9..a0af35c 100644
--- a/drivers/net/ice/base/ice_adminq_cmd.h
+++ b/drivers/net/ice/base/ice_adminq_cmd.h
@@ -108,6 +108,7 @@ struct ice_aqc_list_caps_elem {
 #define ICE_AQC_CAPS_TXQS				0x0042
 #define ICE_AQC_CAPS_MSIX				0x0043
 #define ICE_AQC_CAPS_FD					0x0045
+#define ICE_AQC_CAPS_1588				0x0046
 #define ICE_AQC_CAPS_MAX_MTU				0x0047
 #define ICE_AQC_CAPS_IWARP				0x0051
 #define ICE_AQC_CAPS_PCIE_RESET_AVOIDANCE		0x0076
diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index cf0a7d4..56a4696 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -2091,6 +2091,60 @@ ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
 }
 
 /**
+ * ice_parse_1588_func_caps - Parse ICE_AQC_CAPS_1588 function caps
+ * @hw: pointer to the HW struct
+ * @func_p: pointer to function capabilities structure
+ * @cap: pointer to the capability element to parse
+ *
+ * Extract function capabilities for ICE_AQC_CAPS_1588.
+ */
+static void
+ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
+			 struct ice_aqc_list_caps_elem *cap)
+{
+	struct ice_ts_func_info *info = &func_p->ts_func_info;
+	u32 number = LE32_TO_CPU(cap->number);
+
+	info->ena = ((number & ICE_TS_FUNC_ENA_M) != 0);
+	func_p->common_cap.ieee_1588 = info->ena;
+
+	info->src_tmr_owned = ((number & ICE_TS_SRC_TMR_OWND_M) != 0);
+	info->tmr_ena = ((number & ICE_TS_TMR_ENA_M) != 0);
+	info->tmr_index_owned = ((number & ICE_TS_TMR_IDX_OWND_M) != 0);
+	info->tmr_index_assoc = ((number & ICE_TS_TMR_IDX_ASSOC_M) != 0);
+
+	info->clk_freq = (number & ICE_TS_CLK_FREQ_M) >> ICE_TS_CLK_FREQ_S;
+	info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0);
+
+	if (info->clk_freq < NUM_ICE_TIME_REF_FREQ) {
+		info->time_ref = (enum ice_time_ref_freq)info->clk_freq;
+	} else {
+		/* Unknown clock frequency, so assume a (probably incorrect)
+		 * default to avoid out-of-bounds look ups of frequency
+		 * related information.
+		 */
+		ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n",
+			  info->clk_freq);
+		info->time_ref = ICE_TIME_REF_FREQ_25_000;
+	}
+
+	ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n",
+		  func_p->common_cap.ieee_1588);
+	ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n",
+		  info->src_tmr_owned);
+	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_ena = %u\n",
+		  info->tmr_ena);
+	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_owned = %u\n",
+		  info->tmr_index_owned);
+	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_assoc = %u\n",
+		  info->tmr_index_assoc);
+	ice_debug(hw, ICE_DBG_INIT, "func caps: clk_freq = %u\n",
+		  info->clk_freq);
+	ice_debug(hw, ICE_DBG_INIT, "func caps: clk_src = %u\n",
+		  info->clk_src);
+}
+
+/**
  * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
  * @hw: pointer to the HW struct
  * @func_p: pointer to function capabilities structure
@@ -2155,6 +2209,9 @@ ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
 		case ICE_AQC_CAPS_VSI:
 			ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
 			break;
+		case ICE_AQC_CAPS_1588:
+			ice_parse_1588_func_caps(hw, func_p, &cap_resp[i]);
+			break;
 		case ICE_AQC_CAPS_FD:
 			ice_parse_fdir_func_caps(hw, func_p);
 			break;
@@ -2209,6 +2266,57 @@ ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
 }
 
 /**
+ * ice_parse_1588_dev_caps - Parse ICE_AQC_CAPS_1588 device caps
+ * @hw: pointer to the HW struct
+ * @dev_p: pointer to device capabilities structure
+ * @cap: capability element to parse
+ *
+ * Parse ICE_AQC_CAPS_1588 for device capabilities.
+ */
+static void
+ice_parse_1588_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
+			struct ice_aqc_list_caps_elem *cap)
+{
+	struct ice_ts_dev_info *info = &dev_p->ts_dev_info;
+	u32 logical_id = LE32_TO_CPU(cap->logical_id);
+	u32 phys_id = LE32_TO_CPU(cap->phys_id);
+	u32 number = LE32_TO_CPU(cap->number);
+
+	info->ena = ((number & ICE_TS_DEV_ENA_M) != 0);
+	dev_p->common_cap.ieee_1588 = info->ena;
+
+	info->tmr0_owner = number & ICE_TS_TMR0_OWNR_M;
+	info->tmr0_owned = ((number & ICE_TS_TMR0_OWND_M) != 0);
+	info->tmr0_ena = ((number & ICE_TS_TMR0_ENA_M) != 0);
+
+	info->tmr1_owner = (number & ICE_TS_TMR1_OWNR_M) >> ICE_TS_TMR1_OWNR_S;
+	info->tmr1_owned = ((number & ICE_TS_TMR1_OWND_M) != 0);
+	info->tmr1_ena = ((number & ICE_TS_TMR1_ENA_M) != 0);
+
+	info->ena_ports = logical_id;
+	info->tmr_own_map = phys_id;
+
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 = %u\n",
+		  dev_p->common_cap.ieee_1588);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owner = %u\n",
+		  info->tmr0_owner);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owned = %u\n",
+		  info->tmr0_owned);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_ena = %u\n",
+		  info->tmr0_ena);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owner = %u\n",
+		  info->tmr1_owner);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owned = %u\n",
+		  info->tmr1_owned);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_ena = %u\n",
+		  info->tmr1_ena);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 ena_ports = %u\n",
+		  info->ena_ports);
+	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr_own_map = %u\n",
+		  info->tmr_own_map);
+}
+
+/**
  * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
  * @hw: pointer to the HW struct
  * @dev_p: pointer to device capabilities structure
@@ -2266,6 +2374,9 @@ ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
 		case ICE_AQC_CAPS_VSI:
 			ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
 			break;
+		case ICE_AQC_CAPS_1588:
+			ice_parse_1588_dev_caps(hw, dev_p, &cap_resp[i]);
+			break;
 		case  ICE_AQC_CAPS_FD:
 			ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
 			break;
diff --git a/drivers/net/ice/base/ice_type.h b/drivers/net/ice/base/ice_type.h
index ce508a0..2d21c21 100644
--- a/drivers/net/ice/base/ice_type.h
+++ b/drivers/net/ice/base/ice_type.h
@@ -435,6 +435,7 @@ struct ice_hw_common_caps {
 
 	u8 dcb;
 	u8 iscsi;
+	u8 ieee_1588;
 	u8 mgmt_cem;
 
 	/* WoL and APM support */
@@ -465,12 +466,82 @@ struct ice_hw_common_caps {
 #define ICE_EXT_TOPO_DEV_IMG_PROG_EN	BIT(1)
 };
 
+/* IEEE 1588 TIME_SYNC specific info */
+/* Function specific definitions */
+#define ICE_TS_FUNC_ENA_M		BIT(0)
+#define ICE_TS_SRC_TMR_OWND_M		BIT(1)
+#define ICE_TS_TMR_ENA_M		BIT(2)
+#define ICE_TS_TMR_IDX_OWND_S		4
+#define ICE_TS_TMR_IDX_OWND_M		BIT(4)
+#define ICE_TS_CLK_FREQ_S		16
+#define ICE_TS_CLK_FREQ_M		MAKEMASK(0x7, ICE_TS_CLK_FREQ_S)
+#define ICE_TS_CLK_SRC_S		20
+#define ICE_TS_CLK_SRC_M		BIT(20)
+#define ICE_TS_TMR_IDX_ASSOC_S		24
+#define ICE_TS_TMR_IDX_ASSOC_M		BIT(24)
+
+/* TIME_REF clock rate specification */
+enum ice_time_ref_freq {
+	ICE_TIME_REF_FREQ_25_000	= 0,
+	ICE_TIME_REF_FREQ_122_880	= 1,
+	ICE_TIME_REF_FREQ_125_000	= 2,
+	ICE_TIME_REF_FREQ_153_600	= 3,
+	ICE_TIME_REF_FREQ_156_250	= 4,
+	ICE_TIME_REF_FREQ_245_760	= 5,
+
+	NUM_ICE_TIME_REF_FREQ
+};
+
+/* Clock source specification */
+enum ice_clk_src {
+	ICE_CLK_SRC_TCX0	= 0, /* Temperature compensated oscillator  */
+	ICE_CLK_SRC_TIME_REF	= 1, /* Use TIME_REF reference clock */
+
+	NUM_ICE_CLK_SRC
+};
+
+struct ice_ts_func_info {
+	/* Function specific info */
+	enum ice_time_ref_freq time_ref;
+	u8 clk_freq;
+	u8 clk_src;
+	u8 tmr_index_assoc;
+	u8 ena;
+	u8 tmr_index_owned;
+	u8 src_tmr_owned;
+	u8 tmr_ena;
+};
+
+/* Device specific definitions */
+#define ICE_TS_TMR0_OWNR_M		0x7
+#define ICE_TS_TMR0_OWND_M		BIT(3)
+#define ICE_TS_TMR1_OWNR_S		4
+#define ICE_TS_TMR1_OWNR_M		MAKEMASK(0x7, ICE_TS_TMR1_OWNR_S)
+#define ICE_TS_TMR1_OWND_M		BIT(7)
+#define ICE_TS_DEV_ENA_M		BIT(24)
+#define ICE_TS_TMR0_ENA_M		BIT(25)
+#define ICE_TS_TMR1_ENA_M		BIT(26)
+
+struct ice_ts_dev_info {
+	/* Device specific info */
+	u32 ena_ports;
+	u32 tmr_own_map;
+	u32 tmr0_owner;
+	u32 tmr1_owner;
+	u8 tmr0_owned;
+	u8 tmr1_owned;
+	u8 ena;
+	u8 tmr0_ena;
+	u8 tmr1_ena;
+};
+
 /* Function specific capabilities */
 struct ice_hw_func_caps {
 	struct ice_hw_common_caps common_cap;
 	u32 guar_num_vsi;
 	u32 fd_fltr_guar;		/* Number of filters guaranteed */
 	u32 fd_fltr_best_effort;	/* Number of best effort filters */
+	struct ice_ts_func_info ts_func_info;
 };
 
 /* Device wide capabilities */
@@ -478,6 +549,7 @@ struct ice_hw_dev_caps {
 	struct ice_hw_common_caps common_cap;
 	u32 num_vsi_allocd_to_host;	/* Excluding EMP VSI */
 	u32 num_flow_director_fltr;	/* Number of FD filters available */
+	struct ice_ts_dev_info ts_dev_info;
 	u32 num_funcs;
 };
 
-- 
2.9.5


  reply	other threads:[~2021-08-06  1:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-06  1:34 [dpdk-dev] [PATCH 0/4] net/ice: support IEEE 1588 Simei Su
2021-08-06  1:34 ` Simei Su [this message]
2021-08-06  1:34 ` [dpdk-dev] [PATCH 2/4] net/ice/base: add low level functions for device clock control Simei Su
2021-08-06  1:34 ` [dpdk-dev] [PATCH 3/4] net/ice/base: add clock initialization function Simei Su
2021-08-06  1:34 ` [dpdk-dev] [PATCH 4/4] net/ice: support IEEE 1588 PTP Simei Su
2021-09-02  1:37 ` [dpdk-dev] [PATCH v2] net/ice: support IEEE 1588 PTP for E810 Simei Su
2021-09-09  1:30   ` [dpdk-dev] [PATCH v3] " Simei Su
2021-09-22  8:46     ` [dpdk-dev] [PATCH v4] " Simei Su
2021-09-26 11:16       ` Zhang, Qi Z
2021-09-27  8:28       ` [dpdk-dev] [PATCH v5] net/ice: support IEEE 1588 PTP Simei Su
2021-09-28  2:16         ` Zhang, Qi Z
2021-09-28  6:27         ` [dpdk-dev] [PATCH v6] " Simei Su
2021-09-28 11:13           ` Zhang, Qi Z

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