From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/include/uapi/scsi/fc/fc_els.h | 229 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 216 insertions(+), 13 deletions(-)
diff --git a/kernel/include/uapi/scsi/fc/fc_els.h b/kernel/include/uapi/scsi/fc/fc_els.h
index b7e0a5e..8c704e5 100644
--- a/kernel/include/uapi/scsi/fc/fc_els.h
+++ b/kernel/include/uapi/scsi/fc/fc_els.h
@@ -2,19 +2,6 @@
/*
* Copyright(c) 2007 Intel Corporation. All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
* Maintained at www.Open-FCoE.org
*/
@@ -22,6 +9,7 @@
#define _FC_ELS_H_
#include <linux/types.h>
+#include <asm/byteorder.h>
/*
* Fibre Channel Switch - Enhanced Link Services definitions.
@@ -52,6 +40,9 @@
ELS_RRQ = 0x12, /* reinstate recovery qualifier */
ELS_REC = 0x13, /* read exchange concise */
ELS_SRR = 0x14, /* sequence retransmission request */
+ ELS_FPIN = 0x16, /* Fabric Performance Impact Notification */
+ ELS_RDP = 0x18, /* Read Diagnostic Parameters */
+ ELS_RDF = 0x19, /* Register Diagnostic Functions */
ELS_PRLI = 0x20, /* process login */
ELS_PRLO = 0x21, /* process logout */
ELS_SCN = 0x22, /* state change notification */
@@ -119,6 +110,9 @@
[ELS_RRQ] = "RRQ", \
[ELS_REC] = "REC", \
[ELS_SRR] = "SRR", \
+ [ELS_FPIN] = "FPIN", \
+ [ELS_RDP] = "RDP", \
+ [ELS_RDF] = "RDF", \
[ELS_PRLI] = "PRLI", \
[ELS_PRLO] = "PRLO", \
[ELS_SCN] = "SCN", \
@@ -217,6 +211,99 @@
ELS_EXPL_NOT_NEIGHBOR = 0x62, /* VN2VN_Port not in neighbor set */
/* TBD - above definitions incomplete */
};
+
+/*
+ * Link Service TLV Descriptor Tag Values
+ */
+enum fc_ls_tlv_dtag {
+ ELS_DTAG_LS_REQ_INFO = 0x00000001,
+ /* Link Service Request Information Descriptor */
+ ELS_DTAG_LNK_INTEGRITY = 0x00020001,
+ /* Link Integrity Notification Descriptor */
+ ELS_DTAG_DELIVERY = 0x00020002,
+ /* Delivery Notification Descriptor */
+ ELS_DTAG_PEER_CONGEST = 0x00020003,
+ /* Peer Congestion Notification Descriptor */
+ ELS_DTAG_CONGESTION = 0x00020004,
+ /* Congestion Notification Descriptor */
+ ELS_DTAG_FPIN_REGISTER = 0x00030001,
+ /* FPIN Registration Descriptor */
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_LS_TLV_DTAG_INIT { \
+ { ELS_DTAG_LS_REQ_INFO, "Link Service Request Information" }, \
+ { ELS_DTAG_LNK_INTEGRITY, "Link Integrity Notification" }, \
+ { ELS_DTAG_DELIVERY, "Delivery Notification Present" }, \
+ { ELS_DTAG_PEER_CONGEST, "Peer Congestion Notification" }, \
+ { ELS_DTAG_CONGESTION, "Congestion Notification" }, \
+ { ELS_DTAG_FPIN_REGISTER, "FPIN Registration" }, \
+}
+
+
+/*
+ * Generic Link Service TLV Descriptor format
+ *
+ * This structure, as it defines no payload, will also be referred to
+ * as the "tlv header" - which contains the tag and len fields.
+ */
+struct fc_tlv_desc {
+ __be32 desc_tag; /* Notification Descriptor Tag */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __u8 desc_value[0]; /* Descriptor Value */
+};
+
+/* Descriptor tag and len fields are considered the mandatory header
+ * for a descriptor
+ */
+#define FC_TLV_DESC_HDR_SZ sizeof(struct fc_tlv_desc)
+
+/*
+ * Macro, used when initializing payloads, to return the descriptor length.
+ * Length is size of descriptor minus the tag and len fields.
+ */
+#define FC_TLV_DESC_LENGTH_FROM_SZ(desc) \
+ (sizeof(desc) - FC_TLV_DESC_HDR_SZ)
+
+/* Macro, used on received payloads, to return the descriptor length */
+#define FC_TLV_DESC_SZ_FROM_LENGTH(tlv) \
+ (__be32_to_cpu((tlv)->desc_len) + FC_TLV_DESC_HDR_SZ)
+
+/*
+ * This helper is used to walk descriptors in a descriptor list.
+ * Given the address of the current descriptor, which minimally contains a
+ * tag and len field, calculate the address of the next descriptor based
+ * on the len field.
+ */
+static inline void *fc_tlv_next_desc(void *desc)
+{
+ struct fc_tlv_desc *tlv = desc;
+
+ return (desc + FC_TLV_DESC_SZ_FROM_LENGTH(tlv));
+}
+
+
+/*
+ * Link Service Request Information Descriptor
+ */
+struct fc_els_lsri_desc {
+ __be32 desc_tag; /* descriptor tag (0x0000 0001) */
+ __be32 desc_len; /* Length of Descriptor (in bytes) (4).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ struct {
+ __u8 cmd; /* ELS cmd byte */
+ __u8 bytes[3]; /* bytes 1..3 */
+ } rqst_w0; /* Request word 0 */
+};
+
/*
* Common service parameters (N ports).
@@ -829,4 +916,120 @@
ELS_CLID_IC_LIP = 8, /* receiving LIP */
};
+
+enum fc_fpin_li_event_types {
+ FPIN_LI_UNKNOWN = 0x0,
+ FPIN_LI_LINK_FAILURE = 0x1,
+ FPIN_LI_LOSS_OF_SYNC = 0x2,
+ FPIN_LI_LOSS_OF_SIG = 0x3,
+ FPIN_LI_PRIM_SEQ_ERR = 0x4,
+ FPIN_LI_INVALID_TX_WD = 0x5,
+ FPIN_LI_INVALID_CRC = 0x6,
+ FPIN_LI_DEVICE_SPEC = 0xF,
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_FPIN_LI_EVT_TYPES_INIT { \
+ { FPIN_LI_UNKNOWN, "Unknown" }, \
+ { FPIN_LI_LINK_FAILURE, "Link Failure" }, \
+ { FPIN_LI_LOSS_OF_SYNC, "Loss of Synchronization" }, \
+ { FPIN_LI_LOSS_OF_SIG, "Loss of Signal" }, \
+ { FPIN_LI_PRIM_SEQ_ERR, "Primitive Sequence Protocol Error" }, \
+ { FPIN_LI_INVALID_TX_WD, "Invalid Transmission Word" }, \
+ { FPIN_LI_INVALID_CRC, "Invalid CRC" }, \
+ { FPIN_LI_DEVICE_SPEC, "Device Specific" }, \
+}
+
+
+/*
+ * Link Integrity Notification Descriptor
+ */
+struct fc_fn_li_desc {
+ __be32 desc_tag; /* Descriptor Tag (0x00020001) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __be64 detecting_wwpn; /* Port Name that detected event */
+ __be64 attached_wwpn; /* Port Name of device attached to
+ * detecting Port Name
+ */
+ __be16 event_type; /* see enum fc_fpin_li_event_types */
+ __be16 event_modifier; /* Implementation specific value
+ * describing the event type
+ */
+ __be32 event_threshold;/* duration in ms of the link
+ * integrity detection cycle
+ */
+ __be32 event_count; /* minimum number of event
+ * occurrences during the event
+ * threshold to caause the LI event
+ */
+ __be32 pname_count; /* number of portname_list elements */
+ __be64 pname_list[0]; /* list of N_Port_Names accessible
+ * through the attached port
+ */
+};
+
+/*
+ * ELS_FPIN - Fabric Performance Impact Notification
+ */
+struct fc_els_fpin {
+ __u8 fpin_cmd; /* command (0x16) */
+ __u8 fpin_zero[3]; /* specified as zero - part of cmd */
+ __be32 desc_len; /* Length of Descriptor List (in bytes).
+ * Size of ELS excluding fpin_cmd,
+ * fpin_zero and desc_len fields.
+ */
+ struct fc_tlv_desc fpin_desc[0]; /* Descriptor list */
+};
+
+/* Diagnostic Function Descriptor - FPIN Registration */
+struct fc_df_desc_fpin_reg {
+ __be32 desc_tag; /* FPIN Registration (0x00030001) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __be32 count; /* Number of desc_tags elements */
+ __be32 desc_tags[0]; /* Array of Descriptor Tags.
+ * Each tag indicates a function
+ * supported by the N_Port (request)
+ * or by the N_Port and Fabric
+ * Controller (reply; may be a subset
+ * of the request).
+ * See ELS_FN_DTAG_xxx for tag values.
+ */
+};
+
+/*
+ * ELS_RDF - Register Diagnostic Functions
+ */
+struct fc_els_rdf {
+ __u8 fpin_cmd; /* command (0x19) */
+ __u8 fpin_zero[3]; /* specified as zero - part of cmd */
+ __be32 desc_len; /* Length of Descriptor List (in bytes).
+ * Size of ELS excluding fpin_cmd,
+ * fpin_zero and desc_len fields.
+ */
+ struct fc_tlv_desc desc[0]; /* Descriptor list */
+};
+
+/*
+ * ELS RDF LS_ACC Response.
+ */
+struct fc_els_rdf_resp {
+ struct fc_els_ls_acc acc_hdr;
+ __be32 desc_list_len; /* Length of response (in
+ * bytes). Excludes acc_hdr
+ * and desc_list_len fields.
+ */
+ struct fc_els_lsri_desc lsri;
+ struct fc_tlv_desc desc[0]; /* Supported Descriptor list */
+};
+
+
#endif /* _FC_ELS_H_ */
--
Gitblit v1.6.2