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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-12 16:25:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-12 16:25:35 -0800
commit9219a3b9889dbc7dae68e472f239672ff48860b0 (patch)
treec6446d63dd7ffb0f118804e354eee3d80041717e /arch/mips/include/asm/octeon/cvmx-packet.h
parent23ead7291269db3be71b442324381c8d63e5d0b3 (diff)
parentcde15b5927fea3e1b4de0b277008cf273d8b000b (diff)
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (37 commits) MIPS: Only write c0_framemask on CPUs which have this register. MIPS: Alchemy: new userspace suspend interface for development boards. MIPS: Alchemy: dbdma suspend/resume support. MIPS: Alchemy: Fix up PM code on Au1550/Au1200 MIPS: Alchemy: move calc_clock function. MIPS: Alchemy: RTC counter clocksource / clockevent support. MIPS: make cp0 counter clocksource/event usable as fallback. MIPS: Alchemy: remove cpu_table. MIPS: Alchemy: remove get/set_au1x00_lcd_clock(). MIPS: Print irq handler description MIPS: Alchemy: pb1200: update CPLD cascade irq handler. MIPS: Alchemy: update core interrupt code. MIPS: Alchemy: move commandline mangling out of common code MIPS: Alchemy: devboards: consolidate files MIPS: Alchemy: Move development board code to common subdirectory MIPS: Add Cavium OCTEON to arch/mips/Kconfig MIPS: Add defconfig for Cavium OCTEON. MIPS: Adjust the dma-common.c platform hooks. MIPS: Add Cavium OCTEON slot into proper tlb category. MIPS: Compute branch returns for Cavium OCTEON specific branch instructions. ...
Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-packet.h')
-rw-r--r--arch/mips/include/asm/octeon/cvmx-packet.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-packet.h b/arch/mips/include/asm/octeon/cvmx-packet.h
new file mode 100644
index 00000000000..38aefa1bab9
--- /dev/null
+++ b/arch/mips/include/asm/octeon/cvmx-packet.h
@@ -0,0 +1,61 @@
+/***********************license start***************
+ * Author: Cavium Networks
+ *
+ * Contact: support@caviumnetworks.com
+ * This file is part of the OCTEON SDK
+ *
+ * Copyright (c) 2003-2008 Cavium Networks
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+ * NONINFRINGEMENT. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * or visit http://www.gnu.org/licenses/.
+ *
+ * This file may also be available under a different license from Cavium.
+ * Contact Cavium Networks for more information
+ ***********************license end**************************************/
+
+/*
+ * Packet buffer defines.
+ */
+
+#ifndef __CVMX_PACKET_H__
+#define __CVMX_PACKET_H__
+
+/**
+ * This structure defines a buffer pointer on Octeon
+ */
+union cvmx_buf_ptr {
+ void *ptr;
+ uint64_t u64;
+ struct {
+ /* if set, invert the "free" pick of the overall
+ * packet. HW always sets this bit to 0 on inbound
+ * packet */
+ uint64_t i:1;
+
+ /* Indicates the amount to back up to get to the
+ * buffer start in cache lines. In most cases this is
+ * less than one complete cache line, so the value is
+ * zero */
+ uint64_t back:4;
+ /* The pool that the buffer came from / goes to */
+ uint64_t pool:3;
+ /* The size of the segment pointed to by addr (in bytes) */
+ uint64_t size:16;
+ /* Pointer to the first byte of the data, NOT buffer */
+ uint64_t addr:40;
+ } s;
+};
+
+#endif /* __CVMX_PACKET_H__ */