Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

1 files changed, 599 insertions, 0 deletions

diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
new file mode 100644
index 00000000000..161fb68764a
--- /dev/null
+++ b/drivers/net/igb/e1000_hw.h
@@ -0,0 +1,599 @@
+/*******************************************************************************
+
+  Intel(R) Gigabit Ethernet Linux driver
+  Copyright(c) 2007 Intel Corporation.
+
+  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.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef _E1000_HW_H_
+#define _E1000_HW_H_
+
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+
+#include "e1000_mac.h"
+#include "e1000_regs.h"
+#include "e1000_defines.h"
+
+struct e1000_hw;
+
+#define E1000_DEV_ID_82575EB_COPPER           0x10A7
+#define E1000_DEV_ID_82575EB_FIBER_SERDES     0x10A9
+#define E1000_DEV_ID_82575GB_QUAD_COPPER      0x10D6
+
+#define E1000_REVISION_2 2
+#define E1000_REVISION_4 4
+
+#define E1000_FUNC_1     1
+
+enum e1000_mac_type {
+	e1000_undefined = 0,
+	e1000_82575,
+	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
+};
+
+enum e1000_media_type {
+	e1000_media_type_unknown = 0,
+	e1000_media_type_copper = 1,
+	e1000_media_type_fiber = 2,
+	e1000_media_type_internal_serdes = 3,
+	e1000_num_media_types
+};
+
+enum e1000_nvm_type {
+	e1000_nvm_unknown = 0,
+	e1000_nvm_none,
+	e1000_nvm_eeprom_spi,
+	e1000_nvm_eeprom_microwire,
+	e1000_nvm_flash_hw,
+	e1000_nvm_flash_sw
+};
+
+enum e1000_nvm_override {
+	e1000_nvm_override_none = 0,
+	e1000_nvm_override_spi_small,
+	e1000_nvm_override_spi_large,
+	e1000_nvm_override_microwire_small,
+	e1000_nvm_override_microwire_large
+};
+
+enum e1000_phy_type {
+	e1000_phy_unknown = 0,
+	e1000_phy_none,
+	e1000_phy_m88,
+	e1000_phy_igp,
+	e1000_phy_igp_2,
+	e1000_phy_gg82563,
+	e1000_phy_igp_3,
+	e1000_phy_ife,
+};
+
+enum e1000_bus_type {
+	e1000_bus_type_unknown = 0,
+	e1000_bus_type_pci,
+	e1000_bus_type_pcix,
+	e1000_bus_type_pci_express,
+	e1000_bus_type_reserved
+};
+
+enum e1000_bus_speed {
+	e1000_bus_speed_unknown = 0,
+	e1000_bus_speed_33,
+	e1000_bus_speed_66,
+	e1000_bus_speed_100,
+	e1000_bus_speed_120,
+	e1000_bus_speed_133,
+	e1000_bus_speed_2500,
+	e1000_bus_speed_5000,
+	e1000_bus_speed_reserved
+};
+
+enum e1000_bus_width {
+	e1000_bus_width_unknown = 0,
+	e1000_bus_width_pcie_x1,
+	e1000_bus_width_pcie_x2,
+	e1000_bus_width_pcie_x4 = 4,
+	e1000_bus_width_pcie_x8 = 8,
+	e1000_bus_width_32,
+	e1000_bus_width_64,
+	e1000_bus_width_reserved
+};
+
+enum e1000_1000t_rx_status {
+	e1000_1000t_rx_status_not_ok = 0,
+	e1000_1000t_rx_status_ok,
+	e1000_1000t_rx_status_undefined = 0xFF
+};
+
+enum e1000_rev_polarity {
+	e1000_rev_polarity_normal = 0,
+	e1000_rev_polarity_reversed,
+	e1000_rev_polarity_undefined = 0xFF
+};
+
+enum e1000_fc_type {
+	e1000_fc_none = 0,
+	e1000_fc_rx_pause,
+	e1000_fc_tx_pause,
+	e1000_fc_full,
+	e1000_fc_default = 0xFF
+};
+
+
+/* Receive Descriptor */
+struct e1000_rx_desc {
+	u64 buffer_addr; /* Address of the descriptor's data buffer */
+	u16 length;      /* Length of data DMAed into data buffer */
+	u16 csum;        /* Packet checksum */
+	u8  status;      /* Descriptor status */
+	u8  errors;      /* Descriptor Errors */
+	u16 special;
+};
+
+/* Receive Descriptor - Extended */
+union e1000_rx_desc_extended {
+	struct {
+		u64 buffer_addr;
+		u64 reserved;
+	} read;
+	struct {
+		struct {
+			u32 mrq;              /* Multiple Rx Queues */
+			union {
+				u32 rss;            /* RSS Hash */
+				struct {
+					u16 ip_id;  /* IP id */
+					u16 csum;   /* Packet Checksum */
+				} csum_ip;
+			} hi_dword;
+		} lower;
+		struct {
+			u32 status_error;     /* ext status/error */
+			u16 length;
+			u16 vlan;             /* VLAN tag */
+		} upper;
+	} wb;  /* writeback */
+};
+
+#define MAX_PS_BUFFERS 4
+/* Receive Descriptor - Packet Split */
+union e1000_rx_desc_packet_split {
+	struct {
+		/* one buffer for protocol header(s), three data buffers */
+		u64 buffer_addr[MAX_PS_BUFFERS];
+	} read;
+	struct {
+		struct {
+			u32 mrq;              /* Multiple Rx Queues */
+			union {
+				u32 rss;              /* RSS Hash */
+				struct {
+					u16 ip_id;    /* IP id */
+					u16 csum;     /* Packet Checksum */
+				} csum_ip;
+			} hi_dword;
+		} lower;
+		struct {
+			u32 status_error;     /* ext status/error */
+			u16 length0;          /* length of buffer 0 */
+			u16 vlan;             /* VLAN tag */
+		} middle;
+		struct {
+			u16 header_status;
+			u16 length[3];        /* length of buffers 1-3 */
+		} upper;
+		u64 reserved;
+	} wb; /* writeback */
+};
+
+/* Transmit Descriptor */
+struct e1000_tx_desc {
+	u64 buffer_addr;      /* Address of the descriptor's data buffer */
+	union {
+		u32 data;
+		struct {
+			u16 length;    /* Data buffer length */
+			u8 cso;        /* Checksum offset */
+			u8 cmd;        /* Descriptor control */
+		} flags;
+	} lower;
+	union {
+		u32 data;
+		struct {
+			u8 status;     /* Descriptor status */
+			u8 css;        /* Checksum start */
+			u16 special;
+		} fields;
+	} upper;
+};
+
+/* Offload Context Descriptor */
+struct e1000_context_desc {
+	union {
+		u32 ip_config;
+		struct {
+			u8 ipcss;      /* IP checksum start */
+			u8 ipcso;      /* IP checksum offset */
+			u16 ipcse;     /* IP checksum end */
+		} ip_fields;
+	} lower_setup;
+	union {
+		u32 tcp_config;
+		struct {
+			u8 tucss;      /* TCP checksum start */
+			u8 tucso;      /* TCP checksum offset */
+			u16 tucse;     /* TCP checksum end */
+		} tcp_fields;
+	} upper_setup;
+	u32 cmd_and_length;
+	union {
+		u32 data;
+		struct {
+			u8 status;     /* Descriptor status */
+			u8 hdr_len;    /* Header length */
+			u16 mss;       /* Maximum segment size */
+		} fields;
+	} tcp_seg_setup;
+};
+
+/* Offload data descriptor */
+struct e1000_data_desc {
+	u64 buffer_addr;   /* Address of the descriptor's buffer address */
+	union {
+		u32 data;
+		struct {
+			u16 length;    /* Data buffer length */
+			u8 typ_len_ext;
+			u8 cmd;
+		} flags;
+	} lower;
+	union {
+		u32 data;
+		struct {
+			u8 status;     /* Descriptor status */
+			u8 popts;      /* Packet Options */
+			u16 special;
+		} fields;
+	} upper;
+};
+
+/* Statistics counters collected by the MAC */
+struct e1000_hw_stats {
+	u64 crcerrs;
+	u64 algnerrc;
+	u64 symerrs;
+	u64 rxerrc;
+	u64 mpc;
+	u64 scc;
+	u64 ecol;
+	u64 mcc;
+	u64 latecol;
+	u64 colc;
+	u64 dc;
+	u64 tncrs;
+	u64 sec;
+	u64 cexterr;
+	u64 rlec;
+	u64 xonrxc;
+	u64 xontxc;
+	u64 xoffrxc;
+	u64 xofftxc;
+	u64 fcruc;
+	u64 prc64;
+	u64 prc127;
+	u64 prc255;
+	u64 prc511;
+	u64 prc1023;
+	u64 prc1522;
+	u64 gprc;
+	u64 bprc;
+	u64 mprc;
+	u64 gptc;
+	u64 gorc;
+	u64 gotc;
+	u64 rnbc;
+	u64 ruc;
+	u64 rfc;
+	u64 roc;
+	u64 rjc;
+	u64 mgprc;
+	u64 mgpdc;
+	u64 mgptc;
+	u64 tor;
+	u64 tot;
+	u64 tpr;
+	u64 tpt;
+	u64 ptc64;
+	u64 ptc127;
+	u64 ptc255;
+	u64 ptc511;
+	u64 ptc1023;
+	u64 ptc1522;
+	u64 mptc;
+	u64 bptc;
+	u64 tsctc;
+	u64 tsctfc;
+	u64 iac;
+	u64 icrxptc;
+	u64 icrxatc;
+	u64 ictxptc;
+	u64 ictxatc;
+	u64 ictxqec;
+	u64 ictxqmtc;
+	u64 icrxdmtc;
+	u64 icrxoc;
+	u64 cbtmpc;
+	u64 htdpmc;
+	u64 cbrdpc;
+	u64 cbrmpc;
+	u64 rpthc;
+	u64 hgptc;
+	u64 htcbdpc;
+	u64 hgorc;
+	u64 hgotc;
+	u64 lenerrs;
+	u64 scvpc;
+	u64 hrmpc;
+};
+
+struct e1000_phy_stats {
+	u32 idle_errors;
+	u32 receive_errors;
+};
+
+struct e1000_host_mng_dhcp_cookie {
+	u32 signature;
+	u8  status;
+	u8  reserved0;
+	u16 vlan_id;
+	u32 reserved1;
+	u16 reserved2;
+	u8  reserved3;
+	u8  checksum;
+};
+
+/* Host Interface "Rev 1" */
+struct e1000_host_command_header {
+	u8 command_id;
+	u8 command_length;
+	u8 command_options;
+	u8 checksum;
+};
+
+#define E1000_HI_MAX_DATA_LENGTH     252
+struct e1000_host_command_info {
+	struct e1000_host_command_header command_header;
+	u8 command_data[E1000_HI_MAX_DATA_LENGTH];
+};
+
+/* Host Interface "Rev 2" */
+struct e1000_host_mng_command_header {
+	u8  command_id;
+	u8  checksum;
+	u16 reserved1;
+	u16 reserved2;
+	u16 command_length;
+};
+
+#define E1000_HI_MAX_MNG_DATA_LENGTH 0x6F8
+struct e1000_host_mng_command_info {
+	struct e1000_host_mng_command_header command_header;
+	u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
+};
+
+#include "e1000_mac.h"
+#include "e1000_phy.h"
+#include "e1000_nvm.h"
+
+struct e1000_mac_operations {
+	s32  (*check_for_link)(struct e1000_hw *);
+	s32  (*reset_hw)(struct e1000_hw *);
+	s32  (*init_hw)(struct e1000_hw *);
+	s32  (*setup_physical_interface)(struct e1000_hw *);
+	void (*rar_set)(struct e1000_hw *, u8 *, u32);
+	s32  (*read_mac_addr)(struct e1000_hw *);
+	s32  (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
+};
+
+struct e1000_phy_operations {
+	s32  (*acquire_phy)(struct e1000_hw *);
+	s32  (*force_speed_duplex)(struct e1000_hw *);
+	s32  (*get_cfg_done)(struct e1000_hw *hw);
+	s32  (*get_cable_length)(struct e1000_hw *);
+	s32  (*get_phy_info)(struct e1000_hw *);
+	s32  (*read_phy_reg)(struct e1000_hw *, u32, u16 *);
+	void (*release_phy)(struct e1000_hw *);
+	s32  (*reset_phy)(struct e1000_hw *);
+	s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
+	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
+	s32  (*write_phy_reg)(struct e1000_hw *, u32, u16);
+};
+
+struct e1000_nvm_operations {
+	s32  (*acquire_nvm)(struct e1000_hw *);
+	s32  (*read_nvm)(struct e1000_hw *, u16, u16, u16 *);
+	void (*release_nvm)(struct e1000_hw *);
+	s32  (*write_nvm)(struct e1000_hw *, u16, u16, u16 *);
+};
+
+struct e1000_info {
+	s32 (*get_invariants)(struct e1000_hw *);
+	struct e1000_mac_operations *mac_ops;
+	struct e1000_phy_operations *phy_ops;
+	struct e1000_nvm_operations *nvm_ops;
+};
+
+extern const struct e1000_info e1000_82575_info;
+
+struct e1000_mac_info {
+	struct e1000_mac_operations ops;
+
+	u8 addr[6];
+	u8 perm_addr[6];
+
+	enum e1000_mac_type type;
+
+	u32 collision_delta;
+	u32 ledctl_default;
+	u32 ledctl_mode1;
+	u32 ledctl_mode2;
+	u32 mc_filter_type;
+	u32 tx_packet_delta;
+	u32 txcw;
+
+	u16 current_ifs_val;
+	u16 ifs_max_val;
+	u16 ifs_min_val;
+	u16 ifs_ratio;
+	u16 ifs_step_size;
+	u16 mta_reg_count;
+	u16 rar_entry_count;
+
+	u8  forced_speed_duplex;
+
+	bool adaptive_ifs;
+	bool arc_subsystem_valid;
+	bool asf_firmware_present;
+	bool autoneg;
+	bool autoneg_failed;
+	bool disable_av;
+	bool disable_hw_init_bits;
+	bool get_link_status;
+	bool ifs_params_forced;
+	bool in_ifs_mode;
+	bool report_tx_early;
+	bool serdes_has_link;
+	bool tx_pkt_filtering;
+};
+
+struct e1000_phy_info {
+	struct e1000_phy_operations ops;
+
+	enum e1000_phy_type type;
+
+	enum e1000_1000t_rx_status local_rx;
+	enum e1000_1000t_rx_status remote_rx;
+	enum e1000_ms_type ms_type;
+	enum e1000_ms_type original_ms_type;
+	enum e1000_rev_polarity cable_polarity;
+	enum e1000_smart_speed smart_speed;
+
+	u32 addr;
+	u32 id;
+	u32 reset_delay_us; /* in usec */
+	u32 revision;
+
+	enum e1000_media_type media_type;
+
+	u16 autoneg_advertised;
+	u16 autoneg_mask;
+	u16 cable_length;
+	u16 max_cable_length;
+	u16 min_cable_length;
+
+	u8 mdix;
+
+	bool disable_polarity_correction;
+	bool is_mdix;
+	bool polarity_correction;
+	bool reset_disable;
+	bool speed_downgraded;
+	bool autoneg_wait_to_complete;
+};
+
+struct e1000_nvm_info {
+	struct e1000_nvm_operations ops;
+
+	enum e1000_nvm_type type;
+	enum e1000_nvm_override override;
+
+	u32 flash_bank_size;
+	u32 flash_base_addr;
+
+	u16 word_size;
+	u16 delay_usec;
+	u16 address_bits;
+	u16 opcode_bits;
+	u16 page_size;
+};
+
+struct e1000_bus_info {
+	enum e1000_bus_type type;
+	enum e1000_bus_speed speed;
+	enum e1000_bus_width width;
+
+	u32 snoop;
+
+	u16 func;
+	u16 pci_cmd_word;
+};
+
+struct e1000_fc_info {
+	u32 high_water;     /* Flow control high-water mark */
+	u32 low_water;      /* Flow control low-water mark */
+	u16 pause_time;     /* Flow control pause timer */
+	bool send_xon;      /* Flow control send XON */
+	bool strict_ieee;   /* Strict IEEE mode */
+	enum e1000_fc_type type; /* Type of flow control */
+	enum e1000_fc_type original_type;
+};
+
+struct e1000_hw {
+	void *back;
+	void *dev_spec;
+
+	u8 __iomem *hw_addr;
+	u8 __iomem *flash_address;
+	unsigned long io_base;
+
+	struct e1000_mac_info  mac;
+	struct e1000_fc_info   fc;
+	struct e1000_phy_info  phy;
+	struct e1000_nvm_info  nvm;
+	struct e1000_bus_info  bus;
+	struct e1000_host_mng_dhcp_cookie mng_cookie;
+
+	u32 dev_spec_size;
+
+	u16 device_id;
+	u16 subsystem_vendor_id;
+	u16 subsystem_device_id;
+	u16 vendor_id;
+
+	u8  revision_id;
+};
+
+#ifdef DEBUG
+extern char *igb_get_hw_dev_name(struct e1000_hw *hw);
+#define hw_dbg(hw, format, arg...) \
+	printk(KERN_DEBUG "%s: " format, igb_get_hw_dev_name(hw), ##arg)
+#else
+static inline int __attribute__ ((format (printf, 2, 3)))
+hw_dbg(struct e1000_hw *hw, const char *format, ...)
+{
+	return 0;
+}
+#endif
+
+#endif