| /***************************************************************************** | 
 |  *                                                                           * | 
 |  * File: common.h                                                            * | 
 |  * $Revision: 1.21 $                                                         * | 
 |  * $Date: 2005/06/22 00:43:25 $                                              * | 
 |  * Description:                                                              * | 
 |  *  part of the Chelsio 10Gb Ethernet Driver.                                * | 
 |  *                                                                           * | 
 |  * This program 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.                                * | 
 |  *                                                                           * | 
 |  * 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.,   * | 
 |  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.                 * | 
 |  *                                                                           * | 
 |  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED    * | 
 |  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF      * | 
 |  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.                     * | 
 |  *                                                                           * | 
 |  * http://www.chelsio.com                                                    * | 
 |  *                                                                           * | 
 |  * Copyright (c) 2003 - 2005 Chelsio Communications, Inc.                    * | 
 |  * All rights reserved.                                                      * | 
 |  *                                                                           * | 
 |  * Maintainers: maintainers@chelsio.com                                      * | 
 |  *                                                                           * | 
 |  * Authors: Dimitrios Michailidis   <dm@chelsio.com>                         * | 
 |  *          Tina Yang               <tainay@chelsio.com>                     * | 
 |  *          Felix Marti             <felix@chelsio.com>                      * | 
 |  *          Scott Bardone           <sbardone@chelsio.com>                   * | 
 |  *          Kurt Ottaway            <kottaway@chelsio.com>                   * | 
 |  *          Frank DiMambro          <frank@chelsio.com>                      * | 
 |  *                                                                           * | 
 |  * History:                                                                  * | 
 |  *                                                                           * | 
 |  ****************************************************************************/ | 
 |  | 
 | #ifndef _CXGB_COMMON_H_ | 
 | #define _CXGB_COMMON_H_ | 
 |  | 
 | #include <linux/module.h> | 
 | #include <linux/netdevice.h> | 
 | #include <linux/types.h> | 
 | #include <linux/delay.h> | 
 | #include <linux/pci.h> | 
 | #include <linux/ethtool.h> | 
 | #include <linux/if_vlan.h> | 
 | #include <linux/mdio.h> | 
 | #include <linux/crc32.h> | 
 | #include <linux/init.h> | 
 | #include <asm/io.h> | 
 | #include <linux/pci_ids.h> | 
 |  | 
 | #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver" | 
 | #define DRV_NAME "cxgb" | 
 | #define DRV_VERSION "2.2" | 
 | #define PFX      DRV_NAME ": " | 
 |  | 
 | #define CH_ERR(fmt, ...)   printk(KERN_ERR PFX fmt, ## __VA_ARGS__) | 
 | #define CH_WARN(fmt, ...)  printk(KERN_WARNING PFX fmt, ## __VA_ARGS__) | 
 | #define CH_ALERT(fmt, ...) printk(KERN_ALERT PFX fmt, ## __VA_ARGS__) | 
 |  | 
 | /* | 
 |  * More powerful macro that selectively prints messages based on msg_enable. | 
 |  * For info and debugging messages. | 
 |  */ | 
 | #define CH_MSG(adapter, level, category, fmt, ...) do { \ | 
 | 	if ((adapter)->msg_enable & NETIF_MSG_##category) \ | 
 | 		printk(KERN_##level PFX "%s: " fmt, (adapter)->name, \ | 
 | 		       ## __VA_ARGS__); \ | 
 | } while (0) | 
 |  | 
 | #ifdef DEBUG | 
 | # define CH_DBG(adapter, category, fmt, ...) \ | 
 | 	CH_MSG(adapter, DEBUG, category, fmt, ## __VA_ARGS__) | 
 | #else | 
 | # define CH_DBG(fmt, ...) | 
 | #endif | 
 |  | 
 | #define CH_DEVICE(devid, ssid, idx) \ | 
 | 	{ PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } | 
 |  | 
 | #define SUPPORTED_PAUSE       (1 << 13) | 
 | #define SUPPORTED_LOOPBACK    (1 << 15) | 
 |  | 
 | #define ADVERTISED_PAUSE      (1 << 13) | 
 | #define ADVERTISED_ASYM_PAUSE (1 << 14) | 
 |  | 
 | typedef struct adapter adapter_t; | 
 |  | 
 | struct t1_rx_mode { | 
 | 	struct net_device *dev; | 
 | 	u32 idx; | 
 | 	struct dev_mc_list *list; | 
 | }; | 
 |  | 
 | #define t1_rx_mode_promisc(rm)	(rm->dev->flags & IFF_PROMISC) | 
 | #define t1_rx_mode_allmulti(rm)	(rm->dev->flags & IFF_ALLMULTI) | 
 | #define t1_rx_mode_mc_cnt(rm)	(rm->dev->mc_count) | 
 |  | 
 | static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm) | 
 | { | 
 | 	u8 *addr = NULL; | 
 |  | 
 | 	if (rm->idx++ < rm->dev->mc_count) { | 
 | 		addr = rm->list->dmi_addr; | 
 | 		rm->list = rm->list->next; | 
 | 	} | 
 | 	return addr; | 
 | } | 
 |  | 
 | #define	MAX_NPORTS 4 | 
 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) | 
 | #define NMTUS      8 | 
 | #define TCB_SIZE   128 | 
 |  | 
 | #define SPEED_INVALID 0xffff | 
 | #define DUPLEX_INVALID 0xff | 
 |  | 
 | enum { | 
 | 	CHBT_BOARD_N110, | 
 | 	CHBT_BOARD_N210, | 
 | 	CHBT_BOARD_7500, | 
 | 	CHBT_BOARD_8000, | 
 | 	CHBT_BOARD_CHT101, | 
 | 	CHBT_BOARD_CHT110, | 
 | 	CHBT_BOARD_CHT210, | 
 | 	CHBT_BOARD_CHT204, | 
 | 	CHBT_BOARD_CHT204V, | 
 | 	CHBT_BOARD_CHT204E, | 
 | 	CHBT_BOARD_CHN204, | 
 | 	CHBT_BOARD_COUGAR, | 
 | 	CHBT_BOARD_6800, | 
 | 	CHBT_BOARD_SIMUL, | 
 | }; | 
 |  | 
 | enum { | 
 | 	CHBT_TERM_FPGA, | 
 | 	CHBT_TERM_T1, | 
 | 	CHBT_TERM_T2, | 
 | 	CHBT_TERM_T3 | 
 | }; | 
 |  | 
 | enum { | 
 | 	CHBT_MAC_CHELSIO_A, | 
 | 	CHBT_MAC_IXF1010, | 
 | 	CHBT_MAC_PM3393, | 
 | 	CHBT_MAC_VSC7321, | 
 | 	CHBT_MAC_DUMMY | 
 | }; | 
 |  | 
 | enum { | 
 | 	CHBT_PHY_88E1041, | 
 | 	CHBT_PHY_88E1111, | 
 | 	CHBT_PHY_88X2010, | 
 | 	CHBT_PHY_XPAK, | 
 | 	CHBT_PHY_MY3126, | 
 | 	CHBT_PHY_8244, | 
 | 	CHBT_PHY_DUMMY | 
 | }; | 
 |  | 
 | enum { | 
 | 	PAUSE_RX      = 1 << 0, | 
 | 	PAUSE_TX      = 1 << 1, | 
 | 	PAUSE_AUTONEG = 1 << 2 | 
 | }; | 
 |  | 
 | /* Revisions of T1 chip */ | 
 | enum { | 
 | 	TERM_T1A   = 0, | 
 | 	TERM_T1B   = 1, | 
 | 	TERM_T2    = 3 | 
 | }; | 
 |  | 
 | struct sge_params { | 
 | 	unsigned int cmdQ_size[2]; | 
 | 	unsigned int freelQ_size[2]; | 
 | 	unsigned int large_buf_capacity; | 
 | 	unsigned int rx_coalesce_usecs; | 
 | 	unsigned int last_rx_coalesce_raw; | 
 | 	unsigned int default_rx_coalesce_usecs; | 
 | 	unsigned int sample_interval_usecs; | 
 | 	unsigned int coalesce_enable; | 
 | 	unsigned int polling; | 
 | }; | 
 |  | 
 | struct chelsio_pci_params { | 
 | 	unsigned short speed; | 
 | 	unsigned char  width; | 
 | 	unsigned char  is_pcix; | 
 | }; | 
 |  | 
 | struct tp_params { | 
 | 	unsigned int pm_size; | 
 | 	unsigned int cm_size; | 
 | 	unsigned int pm_rx_base; | 
 | 	unsigned int pm_tx_base; | 
 | 	unsigned int pm_rx_pg_size; | 
 | 	unsigned int pm_tx_pg_size; | 
 | 	unsigned int pm_rx_num_pgs; | 
 | 	unsigned int pm_tx_num_pgs; | 
 | 	unsigned int rx_coalescing_size; | 
 | 	unsigned int use_5tuple_mode; | 
 | }; | 
 |  | 
 | struct mc5_params { | 
 | 	unsigned int mode;       /* selects MC5 width */ | 
 | 	unsigned int nservers;   /* size of server region */ | 
 | 	unsigned int nroutes;    /* size of routing region */ | 
 | }; | 
 |  | 
 | /* Default MC5 region sizes */ | 
 | #define DEFAULT_SERVER_REGION_LEN 256 | 
 | #define DEFAULT_RT_REGION_LEN 1024 | 
 |  | 
 | struct adapter_params { | 
 | 	struct sge_params sge; | 
 | 	struct mc5_params mc5; | 
 | 	struct tp_params  tp; | 
 | 	struct chelsio_pci_params pci; | 
 |  | 
 | 	const struct board_info *brd_info; | 
 |  | 
 | 	unsigned short mtus[NMTUS]; | 
 | 	unsigned int   nports;          /* # of ethernet ports */ | 
 | 	unsigned int   stats_update_period; | 
 | 	unsigned short chip_revision; | 
 | 	unsigned char  chip_version; | 
 | 	unsigned char  is_asic; | 
 | 	unsigned char  has_msi; | 
 | }; | 
 |  | 
 | struct link_config { | 
 | 	unsigned int   supported;        /* link capabilities */ | 
 | 	unsigned int   advertising;      /* advertised capabilities */ | 
 | 	unsigned short requested_speed;  /* speed user has requested */ | 
 | 	unsigned short speed;            /* actual link speed */ | 
 | 	unsigned char  requested_duplex; /* duplex user has requested */ | 
 | 	unsigned char  duplex;           /* actual link duplex */ | 
 | 	unsigned char  requested_fc;     /* flow control user has requested */ | 
 | 	unsigned char  fc;               /* actual link flow control */ | 
 | 	unsigned char  autoneg;          /* autonegotiating? */ | 
 | }; | 
 |  | 
 | struct cmac; | 
 | struct cphy; | 
 |  | 
 | struct port_info { | 
 | 	struct net_device *dev; | 
 | 	struct cmac *mac; | 
 | 	struct cphy *phy; | 
 | 	struct link_config link_config; | 
 | 	struct net_device_stats netstats; | 
 | }; | 
 |  | 
 | struct sge; | 
 | struct peespi; | 
 |  | 
 | struct adapter { | 
 | 	u8 __iomem *regs; | 
 | 	struct pci_dev *pdev; | 
 | 	unsigned long registered_device_map; | 
 | 	unsigned long open_device_map; | 
 | 	unsigned long flags; | 
 |  | 
 | 	const char *name; | 
 | 	int msg_enable; | 
 | 	u32 mmio_len; | 
 |  | 
 | 	struct work_struct ext_intr_handler_task; | 
 | 	struct adapter_params params; | 
 |  | 
 | 	struct vlan_group *vlan_grp; | 
 |  | 
 | 	/* Terminator modules. */ | 
 | 	struct sge    *sge; | 
 | 	struct peespi *espi; | 
 | 	struct petp   *tp; | 
 |  | 
 | 	struct napi_struct napi; | 
 | 	struct port_info port[MAX_NPORTS]; | 
 | 	struct delayed_work stats_update_task; | 
 | 	struct timer_list stats_update_timer; | 
 |  | 
 | 	spinlock_t tpi_lock; | 
 | 	spinlock_t work_lock; | 
 | 	spinlock_t mac_lock; | 
 |  | 
 | 	/* guards async operations */ | 
 | 	spinlock_t async_lock ____cacheline_aligned; | 
 | 	u32 slow_intr_mask; | 
 | 	int t1powersave; | 
 | }; | 
 |  | 
 | enum {                                           /* adapter flags */ | 
 | 	FULL_INIT_DONE        = 1 << 0, | 
 | 	TSO_CAPABLE           = 1 << 2, | 
 | 	TCP_CSUM_CAPABLE      = 1 << 3, | 
 | 	UDP_CSUM_CAPABLE      = 1 << 4, | 
 | 	VLAN_ACCEL_CAPABLE    = 1 << 5, | 
 | 	RX_CSUM_ENABLED       = 1 << 6, | 
 | }; | 
 |  | 
 | struct mdio_ops; | 
 | struct gmac; | 
 | struct gphy; | 
 |  | 
 | struct board_info { | 
 | 	unsigned char           board; | 
 | 	unsigned char           port_number; | 
 | 	unsigned long           caps; | 
 | 	unsigned char           chip_term; | 
 | 	unsigned char           chip_mac; | 
 | 	unsigned char           chip_phy; | 
 | 	unsigned int            clock_core; | 
 | 	unsigned int            clock_mc3; | 
 | 	unsigned int            clock_mc4; | 
 | 	unsigned int            espi_nports; | 
 | 	unsigned int            clock_cspi; | 
 | 	unsigned int            clock_elmer0; | 
 | 	unsigned char           mdio_mdien; | 
 | 	unsigned char           mdio_mdiinv; | 
 | 	unsigned char           mdio_mdc; | 
 | 	unsigned char           mdio_phybaseaddr; | 
 | 	const struct gmac      *gmac; | 
 | 	const struct gphy      *gphy; | 
 | 	const struct mdio_ops  *mdio_ops; | 
 | 	const char             *desc; | 
 | }; | 
 |  | 
 | static inline int t1_is_asic(const adapter_t *adapter) | 
 | { | 
 | 	return adapter->params.is_asic; | 
 | } | 
 |  | 
 | extern struct pci_device_id t1_pci_tbl[]; | 
 |  | 
 | static inline int adapter_matches_type(const adapter_t *adapter, | 
 | 				       int version, int revision) | 
 | { | 
 | 	return adapter->params.chip_version == version && | 
 | 	       adapter->params.chip_revision == revision; | 
 | } | 
 |  | 
 | #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B) | 
 | #define is_T2(adap)     adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2) | 
 |  | 
 | /* Returns true if an adapter supports VLAN acceleration and TSO */ | 
 | static inline int vlan_tso_capable(const adapter_t *adapter) | 
 | { | 
 | 	return !t1_is_T1B(adapter); | 
 | } | 
 |  | 
 | #define for_each_port(adapter, iter) \ | 
 | 	for (iter = 0; iter < (adapter)->params.nports; ++iter) | 
 |  | 
 | #define board_info(adapter) ((adapter)->params.brd_info) | 
 | #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full) | 
 |  | 
 | static inline unsigned int core_ticks_per_usec(const adapter_t *adap) | 
 | { | 
 | 	return board_info(adap)->clock_core / 1000000; | 
 | } | 
 |  | 
 | extern int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp); | 
 | extern int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); | 
 | extern int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); | 
 | extern int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); | 
 |  | 
 | extern void t1_interrupts_enable(adapter_t *adapter); | 
 | extern void t1_interrupts_disable(adapter_t *adapter); | 
 | extern void t1_interrupts_clear(adapter_t *adapter); | 
 | extern int t1_elmer0_ext_intr_handler(adapter_t *adapter); | 
 | extern void t1_elmer0_ext_intr(adapter_t *adapter); | 
 | extern int t1_slow_intr_handler(adapter_t *adapter); | 
 |  | 
 | extern int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); | 
 | extern const struct board_info *t1_get_board_info(unsigned int board_id); | 
 | extern const struct board_info *t1_get_board_info_from_ids(unsigned int devid, | 
 | 						    unsigned short ssid); | 
 | extern int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data); | 
 | extern int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, | 
 | 		     struct adapter_params *p); | 
 | extern int t1_init_hw_modules(adapter_t *adapter); | 
 | extern int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); | 
 | extern void t1_free_sw_modules(adapter_t *adapter); | 
 | extern void t1_fatal_err(adapter_t *adapter); | 
 | extern void t1_link_changed(adapter_t *adapter, int port_id); | 
 | extern void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat, | 
 | 			    int speed, int duplex, int pause); | 
 | #endif /* _CXGB_COMMON_H_ */ |