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2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390 
 kernel/include/linux/avf/virtchnl.h
....@@ -1,22 +1,8 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
12 /*******************************************************************************
23  *
34  * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
45  * Copyright(c) 2013 - 2014 Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along
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- * with this program.  If not, see <http://www.gnu.org/licenses/>.
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- *
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- * The full GNU General Public License is included in this distribution in
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- * the file called "COPYING".
206  *
217  * Contact Information:
228  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
....@@ -62,19 +48,27 @@
6248 /* Error Codes */
6349 enum virtchnl_status_code {
6450 	VIRTCHNL_STATUS_SUCCESS				= 0,
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-	VIRTCHNL_ERR_PARAM				= -5,
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+	VIRTCHNL_STATUS_ERR_PARAM			= -5,
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+	VIRTCHNL_STATUS_ERR_NO_MEMORY			= -18,
6653 	VIRTCHNL_STATUS_ERR_OPCODE_MISMATCH		= -38,
6754 	VIRTCHNL_STATUS_ERR_CQP_COMPL_ERROR		= -39,
6855 	VIRTCHNL_STATUS_ERR_INVALID_VF_ID		= -40,
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-	VIRTCHNL_STATUS_NOT_SUPPORTED			= -64,
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+	VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR		= -53,
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+	VIRTCHNL_STATUS_ERR_NOT_SUPPORTED		= -64,
7058 };
7159 
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+/* Backward compatibility */
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+#define VIRTCHNL_ERR_PARAM VIRTCHNL_STATUS_ERR_PARAM
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+#define VIRTCHNL_STATUS_NOT_SUPPORTED VIRTCHNL_STATUS_ERR_NOT_SUPPORTED
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+
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+#define VIRTCHNL_LINK_SPEED_2_5GB_SHIFT		0x0
7265 #define VIRTCHNL_LINK_SPEED_100MB_SHIFT		0x1
7366 #define VIRTCHNL_LINK_SPEED_1000MB_SHIFT	0x2
7467 #define VIRTCHNL_LINK_SPEED_10GB_SHIFT		0x3
7568 #define VIRTCHNL_LINK_SPEED_40GB_SHIFT		0x4
7669 #define VIRTCHNL_LINK_SPEED_20GB_SHIFT		0x5
7770 #define VIRTCHNL_LINK_SPEED_25GB_SHIFT		0x6
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+#define VIRTCHNL_LINK_SPEED_5GB_SHIFT		0x7
7872 
7973 enum virtchnl_link_speed {
8074 	VIRTCHNL_LINK_SPEED_UNKNOWN	= 0,
....@@ -84,6 +78,8 @@
8478 	VIRTCHNL_LINK_SPEED_40GB	= BIT(VIRTCHNL_LINK_SPEED_40GB_SHIFT),
8579 	VIRTCHNL_LINK_SPEED_20GB	= BIT(VIRTCHNL_LINK_SPEED_20GB_SHIFT),
8680 	VIRTCHNL_LINK_SPEED_25GB	= BIT(VIRTCHNL_LINK_SPEED_25GB_SHIFT),
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+	VIRTCHNL_LINK_SPEED_2_5GB	= BIT(VIRTCHNL_LINK_SPEED_2_5GB_SHIFT),
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+	VIRTCHNL_LINK_SPEED_5GB		= BIT(VIRTCHNL_LINK_SPEED_5GB_SHIFT),
8783 };
8884 
8985 /* for hsplit_0 field of Rx HMC context */
....@@ -165,7 +161,7 @@
165161 
166162 VIRTCHNL_CHECK_STRUCT_LEN(20, virtchnl_msg);
167163 
168
-/* Message descriptions and data structures.*/
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+/* Message descriptions and data structures. */
169165 
170166 /* VIRTCHNL_OP_VERSION
171167  * VF posts its version number to the PF. PF responds with its version number
....@@ -252,6 +248,8 @@
252248 #define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM	0X00400000
253249 #define VIRTCHNL_VF_OFFLOAD_ADQ			0X00800000
254250 
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+/* Define below the capability flags that are not offloads */
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+#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED		0x00000080
255253 #define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \
256254 			       VIRTCHNL_VF_OFFLOAD_VLAN | \
257255 			       VIRTCHNL_VF_OFFLOAD_RSS_PF)
....@@ -334,6 +332,8 @@
334332 	struct virtchnl_queue_pair_info qpair[1];
335333 };
336334 
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+VIRTCHNL_CHECK_STRUCT_LEN(72, virtchnl_vsi_queue_config_info);
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+
337337 /* VIRTCHNL_OP_REQUEST_QUEUES
338338  * VF sends this message to request the PF to allocate additional queues to
339339  * this VF.  Each VF gets a guaranteed number of queues on init but asking for
....@@ -348,8 +348,6 @@
348348 struct virtchnl_vf_res_request {
349349 	u16 num_queue_pairs;
350350 };
351
-
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-VIRTCHNL_CHECK_STRUCT_LEN(72, virtchnl_vsi_queue_config_info);
353351 
354352 /* VIRTCHNL_OP_CONFIG_IRQ_MAP
355353  * VF uses this message to map vectors to queues.
....@@ -573,7 +571,8 @@
573571 	enum	virtchnl_flow_type flow_type;
574572 	enum	virtchnl_action action;
575573 	u32	action_meta;
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-	__u8	field_flags;
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+	u8	field_flags;
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+	u8	pad[3];
577576 };
578577 
579578 VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter);
....@@ -596,10 +595,24 @@
596595 struct virtchnl_pf_event {
597596 	enum virtchnl_event_codes event;
598597 	union {
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+		/* If the PF driver does not support the new speed reporting
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+		 * capabilities then use link_event else use link_event_adv to
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+		 * get the speed and link information. The ability to understand
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+		 * new speeds is indicated by setting the capability flag
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+		 * VIRTCHNL_VF_CAP_ADV_LINK_SPEED in vf_cap_flags parameter
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+		 * in virtchnl_vf_resource struct and can be used to determine
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+		 * which link event struct to use below.
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+		 */
599606 		struct {
600607 			enum virtchnl_link_speed link_speed;
601608 			bool link_status;
602609 		} link_event;
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+		struct {
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+			/* link_speed provided in Mbps */
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+			u32 link_speed;
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+			u8 link_status;
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+			u8 pad[3];
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+		} link_event_adv;
603616 	} event_data;
604617 
605618 	int severity;
....@@ -624,6 +637,7 @@
624637 	u16 ceq_idx;
625638 	u16 aeq_idx;
626639 	u8 itr_idx;
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+	u8 pad[3];
627641 };
628642 
629643 VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_iwarp_qv_info);
....@@ -816,7 +830,7 @@
816830 	case VIRTCHNL_OP_EVENT:
817831 	case VIRTCHNL_OP_UNKNOWN:
818832 	default:
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-		return VIRTCHNL_ERR_PARAM;
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+		return VIRTCHNL_STATUS_ERR_PARAM;
820834 	}
821835 	/* few more checks */
822836 	if (err_msg_format || valid_len != msglen)