#ifndef _IPATH_KERNEL_H
#define _IPATH_KERNEL_H
/*
- * Copyright (c) 2006 QLogic, Inc. All rights reserved.
+ * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
extern struct infinipath_stats ipath_stats;
#define IPATH_CHIP_SWVERSION IPATH_CHIP_VERS_MAJ
+/*
+ * First-cut critierion for "device is active" is
+ * two thousand dwords combined Tx, Rx traffic per
+ * 5-second interval. SMA packets are 64 dwords,
+ * and occur "a few per second", presumably each way.
+ */
+#define IPATH_TRAFFIC_ACTIVE_THRESHOLD (2000)
+/*
+ * Struct used to indicate which errors are logged in each of the
+ * error-counters that are logged to EEPROM. A counter is incremented
+ * _once_ (saturating at 255) for each event with any bits set in
+ * the error or hwerror register masks below.
+ */
+#define IPATH_EEP_LOG_CNT (4)
+struct ipath_eep_log_mask {
+ u64 errs_to_log;
+ u64 hwerrs_to_log;
+};
struct ipath_portdata {
void **port_rcvegrbuf;
u32 port_tidcursor;
/* next expected TID to check */
unsigned long port_flag;
+ /* what happened */
+ unsigned long int_flag;
/* WAIT_RCV that timed out, no interrupt */
u32 port_rcvwait_to;
/* WAIT_PIO that timed out, no interrupt */
u32 userversion;
/* Bitmask of active slaves */
u32 active_slaves;
+ /* Type of packets or conditions we want to poll for */
+ u16 poll_type;
};
struct sk_buff;
u32 ipath_lastport_piobuf;
/* is a stats timer active */
u32 ipath_stats_timer_active;
+ /* number of interrupts for this device -- saturates... */
+ u32 ipath_int_counter;
/* dwords sent read from counter */
u32 ipath_lastsword;
/* dwords received read from counter */
struct class_device *diag_class_dev;
/* timer used to prevent stats overflow, error throttling, etc. */
struct timer_list ipath_stats_timer;
- /* check for stale messages in rcv queue */
- /* only allow one intr at a time. */
- unsigned long ipath_rcv_pending;
void *ipath_dummy_hdrq; /* used after port close */
dma_addr_t ipath_dummy_hdrq_phys;
unsigned long ipath_pioavailshadow[8];
/* shadow of kr_gpio_out, for rmw ops */
u64 ipath_gpio_out;
+ /* shadow the gpio mask register */
+ u64 ipath_gpio_mask;
+ /* shadow the gpio output enable, etc... */
+ u64 ipath_extctrl;
/* kr_revision shadow */
u64 ipath_revision;
/*
u32 ipath_cregbase;
/* shadow the control register contents */
u32 ipath_control;
- /* shadow the gpio output contents */
- u32 ipath_extctrl;
/* PCI revision register (HTC rev on FPGA) */
u32 ipath_pcirev;
u32 ipath_overrun_thresh_errs;
u32 ipath_lli_errs;
+ /* status check work */
+ struct delayed_work status_work;
+
/*
* Not all devices managed by a driver instance are the same
* type, so these fields must be per-device.
u16 ipath_gpio_scl_num;
u64 ipath_gpio_sda;
u64 ipath_gpio_scl;
+
+ /* lock for doing RMW of shadows/regs for ExtCtrl and GPIO */
+ spinlock_t ipath_gpio_lock;
+
+ /* used to override LED behavior */
+ u8 ipath_led_override; /* Substituted for normal value, if non-zero */
+ u16 ipath_led_override_timeoff; /* delta to next timer event */
+ u8 ipath_led_override_vals[2]; /* Alternates per blink-frame */
+ u8 ipath_led_override_phase; /* Just counts, LSB picks from vals[] */
+ atomic_t ipath_led_override_timer_active;
+ /* Used to flash LEDs in override mode */
+ struct timer_list ipath_led_override_timer;
+
+ /* Support (including locks) for EEPROM logging of errors and time */
+ /* control access to actual counters, timer */
+ spinlock_t ipath_eep_st_lock;
+ /* control high-level access to EEPROM */
+ struct semaphore ipath_eep_sem;
+ /* Below inc'd by ipath_snap_cntrs(), locked by ipath_eep_st_lock */
+ uint64_t ipath_traffic_wds;
+ /* active time is kept in seconds, but logged in hours */
+ atomic_t ipath_active_time;
+ /* Below are nominal shadow of EEPROM, new since last EEPROM update */
+ uint8_t ipath_eep_st_errs[IPATH_EEP_LOG_CNT];
+ uint8_t ipath_eep_st_new_errs[IPATH_EEP_LOG_CNT];
+ uint16_t ipath_eep_hrs;
+ /*
+ * masks for which bits of errs, hwerrs that cause
+ * each of the counters to increment.
+ */
+ struct ipath_eep_log_mask ipath_eep_st_masks[IPATH_EEP_LOG_CNT];
};
/* Private data for file operations */
void ipath_disable_wc(struct ipath_devdata *dd);
int ipath_count_units(int *npresentp, int *nupp, u32 *maxportsp);
void ipath_shutdown_device(struct ipath_devdata *);
+void ipath_clear_freeze(struct ipath_devdata *);
struct file_operations;
int ipath_cdev_init(int minor, char *name, const struct file_operations *fops,
void ipath_disarm_piobufs(struct ipath_devdata *, unsigned first,
unsigned cnt);
+void ipath_cancel_sends(struct ipath_devdata *);
int ipath_create_rcvhdrq(struct ipath_devdata *, struct ipath_portdata *);
void ipath_free_pddata(struct ipath_devdata *, struct ipath_portdata *);
* are 64bit */
#define IPATH_32BITCOUNTERS 0x20000
/* can miss port0 rx interrupts */
-#define IPATH_POLL_RX_INTR 0x40000
#define IPATH_DISABLED 0x80000 /* administratively disabled */
/* Use GPIO interrupts for new counters */
#define IPATH_GPIO_ERRINTRS 0x100000
#define IPATH_PORT_WAITING_PIO 3
/* master has not finished initializing */
#define IPATH_PORT_MASTER_UNINIT 4
+ /* waiting for an urgent packet to arrive */
+#define IPATH_PORT_WAITING_URG 5
+ /* waiting for a header overflow */
+#define IPATH_PORT_WAITING_OVERFLOW 6
/* free up any allocated data at closes */
void ipath_free_data(struct ipath_portdata *dd);
void ipath_init_iba6120_funcs(struct ipath_devdata *);
void ipath_init_iba6110_funcs(struct ipath_devdata *);
void ipath_get_eeprom_info(struct ipath_devdata *);
+int ipath_update_eeprom_log(struct ipath_devdata *dd);
+void ipath_inc_eeprom_err(struct ipath_devdata *dd, u32 eidx, u32 incr);
u64 ipath_snap_cntr(struct ipath_devdata *, ipath_creg);
-void ipath_disarm_senderrbufs(struct ipath_devdata *, int);
+
+/*
+ * Set LED override, only the two LSBs have "public" meaning, but
+ * any non-zero value substitutes them for the Link and LinkTrain
+ * LED states.
+ */
+#define IPATH_LED_PHYS 1 /* Physical (linktraining) GREEN LED */
+#define IPATH_LED_LOG 2 /* Logical (link) YELLOW LED */
+void ipath_set_led_override(struct ipath_devdata *dd, unsigned int val);
/*
* number of words used for protocol header if not set by ipath_userinit();
#define IPATH_MDIO_CTRL_8355_REG_10 0x1D
int ipath_get_user_pages(unsigned long, size_t, struct page **);
-int ipath_get_user_pages_nocopy(unsigned long, struct page **);
void ipath_release_user_pages(struct page **, size_t);
void ipath_release_user_pages_on_close(struct page **, size_t);
int ipath_eeprom_read(struct ipath_devdata *, u8, void *, int);
git.openpandora.org / pandora-kernel.git / blobdiff