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Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_7220.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_7220.h b/drivers/infiniband/hw/qib/qib_7220.h new file mode 100644 index 000000000..9ecaab623 --- /dev/null +++ b/drivers/infiniband/hw/qib/qib_7220.h @@ -0,0 +1,149 @@ +#ifndef _QIB_7220_H +#define _QIB_7220_H +/* + * Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* grab register-defs auto-generated by HW */ +#include "qib_7220_regs.h" + +/* The number of eager receive TIDs for context zero. */ +#define IBA7220_KRCVEGRCNT 2048U + +#define IB_7220_LT_STATE_CFGRCVFCFG 0x09 +#define IB_7220_LT_STATE_CFGWAITRMT 0x0a +#define IB_7220_LT_STATE_TXREVLANES 0x0d +#define IB_7220_LT_STATE_CFGENH 0x10 + +struct qib_chip_specific { + u64 __iomem *cregbase; + u64 *cntrs; + u64 *portcntrs; + spinlock_t sdepb_lock; /* serdes EPB bus */ + spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */ + spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */ + u64 hwerrmask; + u64 errormask; + u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */ + u64 gpio_mask; /* shadow the gpio mask register */ + u64 extctrl; /* shadow the gpio output enable, etc... */ + u32 ncntrs; + u32 nportcntrs; + u32 cntrnamelen; + u32 portcntrnamelen; + u32 numctxts; + u32 rcvegrcnt; + u32 autoneg_tries; + u32 serdes_first_init_done; + u32 sdmabufcnt; + u32 lastbuf_for_pio; + u32 updthresh; /* current AvailUpdThld */ + u32 updthresh_dflt; /* default AvailUpdThld */ + u8 presets_needed; + u8 relock_timer_active; + char emsgbuf[128]; + char sdmamsgbuf[192]; + char bitsmsgbuf[64]; + struct timer_list relock_timer; + unsigned int relock_interval; /* in jiffies */ + struct qib_devdata *dd; +}; + +struct qib_chippport_specific { + struct qib_pportdata pportdata; + wait_queue_head_t autoneg_wait; + struct delayed_work autoneg_work; + struct timer_list chase_timer; + /* + * these 5 fields are used to establish deltas for IB symbol + * errors and linkrecovery errors. They can be reported on + * some chips during link negotiation prior to INIT, and with + * DDR when faking DDR negotiations with non-IBTA switches. + * The chip counters are adjusted at driver unload if there is + * a non-zero delta. + */ + u64 ibdeltainprog; + u64 ibsymdelta; + u64 ibsymsnap; + u64 iblnkerrdelta; + u64 iblnkerrsnap; + u64 ibcctrl; /* kr_ibcctrl shadow */ + u64 ibcddrctrl; /* kr_ibcddrctrl shadow */ + unsigned long chase_end; + u32 last_delay_mult; +}; + +/* + * This header file provides the declarations and common definitions + * for (mostly) manipulation of the SerDes blocks within the IBA7220. + * the functions declared should only be called from within other + * 7220-related files such as qib_iba7220.c or qib_sd7220.c. + */ +int qib_sd7220_presets(struct qib_devdata *dd); +int qib_sd7220_init(struct qib_devdata *dd); +void qib_sd7220_clr_ibpar(struct qib_devdata *); +/* + * Below used for sdnum parameter, selecting one of the two sections + * used for PCIe, or the single SerDes used for IB, which is the + * only one currently used + */ +#define IB_7220_SERDES 2 + +static inline u32 qib_read_kreg32(const struct qib_devdata *dd, + const u16 regno) +{ + if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) + return -1; + return readl((u32 __iomem *)&dd->kregbase[regno]); +} + +static inline u64 qib_read_kreg64(const struct qib_devdata *dd, + const u16 regno) +{ + if (!dd->kregbase || !(dd->flags & QIB_PRESENT)) + return -1; + + return readq(&dd->kregbase[regno]); +} + +static inline void qib_write_kreg(const struct qib_devdata *dd, + const u16 regno, u64 value) +{ + if (dd->kregbase) + writeq(value, &dd->kregbase[regno]); +} + +void set_7220_relock_poll(struct qib_devdata *, int); +void shutdown_7220_relock_poll(struct qib_devdata *); +void toggle_7220_rclkrls(struct qib_devdata *); + + +#endif /* _QIB_7220_H */ |