svn commit: r291678 - head/sys/dev/sfxge/common

[Andrew Rybchenko]

Author: arybchik
Date: Thu Dec  3 07:22:53 2015
New Revision: 291678
URL: https://svnweb.freebsd.org/changeset/base/291678

Log:
  sfxge: sync TLV layout headers with firmwaresrc for event merging config
  
  Submitted by:   Tom Millington <tmillington at solarflare.com>
  Sponsored by:   Solarflare Communications, Inc.
  MFC after:      2 days

Modified:
  head/sys/dev/sfxge/common/ef10_tlv_layout.h

Modified: head/sys/dev/sfxge/common/ef10_tlv_layout.h
==============================================================================
--- head/sys/dev/sfxge/common/ef10_tlv_layout.h	Thu Dec  3 07:13:13 2015	(r291677)
+++ head/sys/dev/sfxge/common/ef10_tlv_layout.h	Thu Dec  3 07:22:53 2015	(r291678)
@@ -330,7 +330,7 @@ struct tlv_tmp_gubbins {
   uint64_t tx1_tags;     /* Bitmap */
   uint64_t dl_tags;      /* Bitmap */
   uint32_t flags;
-#define TLV_DPCPU_TX_STRIPE (1) /* TX striping is on */
+#define TLV_DPCPU_TX_STRIPE (1) /* No longer used, has no effect */
 #define TLV_DPCPU_BIU_TAGS  (2) /* Use BIU tag manager */
 #define TLV_DPCPU_TX0_TAGS  (4) /* tx0_tags is valid */
 #define TLV_DPCPU_TX1_TAGS  (8) /* tx1_tags is valid */
@@ -688,4 +688,42 @@ struct tlv_ocsd {
 #define TLV_OCSD_ENABLED 1 /* Default */
 };
 
+/* Descriptor cache config.
+ *
+ * Sets the sizes of the TX and RX descriptor caches as a power of 2. It also
+ * sets the total number of VIs. When the number of VIs is reduced VIs are taken
+ * away from the highest numbered port first, so a vi_count of 1024 means 1024
+ * VIs on the first port and 0 on the second (on a Torino).
+ */
+
+#define TLV_TAG_DESCRIPTOR_CACHE_CONFIG    (0x101d0000)
+
+struct tlv_descriptor_cache_config {
+  uint32_t tag;
+  uint32_t length;
+  uint8_t rx_desc_cache_size;
+  uint8_t tx_desc_cache_size;
+  uint16_t vi_count;
+};
+#define TLV_DESC_CACHE_DEFAULT (0xff)
+#define TLV_VI_COUNT_DEFAULT   (0xffff)
+
+/* RX event merging config (read batching).
+ *
+ * Sets the global maximum number of events for the merging bins, and the
+ * global timeout configuration for the bins.
+ */
+
+#define TLV_TAG_RX_EVENT_MERGING_CONFIG    (0x101e0000)
+
+struct tlv_rx_event_merging_config {
+  uint32_t  tag;
+  uint32_t  length;
+  uint32_t  max_events;
+#define TLV_RX_EVENT_MERGING_CONFIG_MAX_EVENTS_MAX ((1 << 4) - 1)
+  uint32_t  timeout_ns;
+};
+#define TLV_RX_EVENT_MERGING_MAX_EVENTS_DEFAULT 7
+#define TLV_RX_EVENT_MERGING_TIMEOUT_NS_DEFAULT 8740
+
 #endif /* CI_MGMT_TLV_LAYOUT_H */