[PATCH 2/4] myri10ge - Driver header files
myri10ge driver header files.
myri10ge_mcp.h is the generic header, while myri10ge_mcp_gen_header.h
is automatically generated from our firmware image.
Signed-off-by: Brice Goglin [EMAIL PROTECTED]
Signed-off-by: Andrew J. Gallatin [EMAIL PROTECTED]
myri10ge_mcp.h| 205 ++
myri10ge_mcp_gen_header.h | 58 +
2 files changed, 263 insertions(+)
--- /dev/null 2006-05-16 20:08:50.920483500 +0200
+++ linux-tmp//drivers/net/myri10ge/myri10ge_mcp.h 2006-05-17
11:02:48.0 +0200
@@ -0,0 +1,205 @@
+#ifndef __MYRI10GE_MCP_H__
+#define __MYRI10GE_MCP_H__
+
+#define MYRI10GE_MCP_VERSION_MAJOR 1
+#define MYRI10GE_MCP_VERSION_MINOR 4
+
+/* 8 Bytes */
+struct mcp_dma_addr {
+ u32 high;
+ u32 low;
+};
+
+/* 16 Bytes */
+struct mcp_slot {
+ u16 checksum;
+ u16 length;
+};
+
+/* 64 Bytes */
+struct mcp_cmd {
+ u32 cmd;
+ u32 data0; /* will be low portion if data 32 bits */
+ /* 8 */
+ u32 data1; /* will be high portion if data 32 bits */
+ u32 data2; /* currently unused.. */
+ /* 16 */
+ struct mcp_dma_addr response_addr;
+ /* 24 */
+ u8 pad[40];
+};
+
+/* 8 Bytes */
+struct mcp_cmd_response {
+ u32 data;
+ u32 result;
+};
+
+/*
+ * flags used in mcp_kreq_ether_send_t:
+ *
+ * The SMALL flag is only needed in the first segment. It is raised
+ * for packets that are total less or equal 512 bytes.
+ *
+ * The CKSUM flag must be set in all segments.
+ *
+ * The PADDED flags is set if the packet needs to be padded, and it
+ * must be set for all segments.
+ *
+ * The MYRI10GE_MCP_ETHER_FLAGS_ALIGN_ODD must be set if the cumulative
+ * length of all previous segments was odd.
+ */
+
+#define MYRI10GE_MCP_ETHER_FLAGS_SMALL 0x1
+#define MYRI10GE_MCP_ETHER_FLAGS_TSO_HDR0x1
+#define MYRI10GE_MCP_ETHER_FLAGS_FIRST 0x2
+#define MYRI10GE_MCP_ETHER_FLAGS_ALIGN_ODD 0x4
+#define MYRI10GE_MCP_ETHER_FLAGS_CKSUM 0x8
+#define MYRI10GE_MCP_ETHER_FLAGS_TSO_LAST 0x8
+#define MYRI10GE_MCP_ETHER_FLAGS_NO_TSO 0x10
+#define MYRI10GE_MCP_ETHER_FLAGS_TSO_CHOP 0x10
+#define MYRI10GE_MCP_ETHER_FLAGS_TSO_PLD0x20
+
+#define MYRI10GE_MCP_ETHER_SEND_SMALL_SIZE 1520
+#define MYRI10GE_MCP_ETHER_MAX_MTU 9400
+
+union mcp_pso_or_cumlen {
+ u16 pseudo_hdr_offset;
+ u16 cum_len;
+};
+
+#defineMYRI10GE_MCP_ETHER_MAX_SEND_DESC 12
+#define MYRI10GE_MCP_ETHER_PAD 2
+
+/* 16 Bytes */
+struct mcp_kreq_ether_send {
+ u32 addr_high;
+ u32 addr_low;
+ u16 pseudo_hdr_offset;
+ u16 length;
+ u8 pad;
+ u8 rdma_count;
+ u8 cksum_offset;/* where to start computing cksum */
+ u8 flags; /* as defined above */
+};
+
+/* 8 Bytes */
+struct mcp_kreq_ether_recv {
+ u32 addr_high;
+ u32 addr_low;
+};
+
+/* Commands */
+
+#define MYRI10GE_MCP_CMD_OFFSET 0xf8
+
+enum myri10ge_mcp_cmd_type {
+ MYRI10GE_MCP_CMD_NONE = 0,
+ /* Reset the mcp, it is left in a safe state, waiting
+* for the driver to set all its parameters */
+ MYRI10GE_MCP_CMD_RESET,
+
+ /* get the version number of the current firmware..
+* (may be available in the eeprom strings..? */
+ MYRI10GE_MCP_GET_MCP_VERSION,
+
+ /* Parameters which must be set by the driver before it can
+* issue MYRI10GE_MCP_CMD_ETHERNET_UP. They persist until the next
+* MYRI10GE_MCP_CMD_RESET is issued */
+
+ MYRI10GE_MCP_CMD_SET_INTRQ_DMA,
+ MYRI10GE_MCP_CMD_SET_BIG_BUFFER_SIZE, /* in bytes, power of 2 */
+ MYRI10GE_MCP_CMD_SET_SMALL_BUFFER_SIZE, /* in bytes */
+
+ /* Parameters which refer to lanai SRAM addresses where the
+* driver must issue PIO writes for various things */
+
+ MYRI10GE_MCP_CMD_GET_SEND_OFFSET,
+ MYRI10GE_MCP_CMD_GET_SMALL_RX_OFFSET,
+ MYRI10GE_MCP_CMD_GET_BIG_RX_OFFSET,
+ MYRI10GE_MCP_CMD_GET_IRQ_ACK_OFFSET,
+ MYRI10GE_MCP_CMD_GET_IRQ_DEASSERT_OFFSET,
+
+ /* Parameters which refer to rings stored on the MCP,
+* and whose size is controlled by the mcp */
+
+ MYRI10GE_MCP_CMD_GET_SEND_RING_SIZE,/* in bytes */
+ MYRI10GE_MCP_CMD_GET_RX_RING_SIZE, /* in bytes */
+
+ /* Parameters which refer to rings stored in the host,
+* and whose size is controlled by the host. Note that
+* all must be physically contiguous and must contain
+* a power of 2 number of entries. */
+
+ MYRI10GE_MCP_CMD_SET_INTRQ_SIZE,/* in bytes */
+
+ /* command to bring ethernet interface up. Above parameters
+* (plus mtu mac address) must have been exchanged prior
+* to issuing this command */
+ MYRI10GE_MCP_CMD_ETHERNET_UP,
+
+ /* command to bring ethernet interface down. No further sends
