cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

qib_7220.h (4880B)

      1#ifndef _QIB_7220_H
      2#define _QIB_7220_H
      3/*
      4 * Copyright (c) 2007, 2009, 2010 QLogic Corporation. All rights reserved.
      5 *
      6 * This software is available to you under a choice of one of two
      7 * licenses.  You may choose to be licensed under the terms of the GNU
      8 * General Public License (GPL) Version 2, available from the file
      9 * COPYING in the main directory of this source tree, or the
     10 * OpenIB.org BSD license below:
     11 *
     12 *     Redistribution and use in source and binary forms, with or
     13 *     without modification, are permitted provided that the following
     14 *     conditions are met:
     15 *
     16 *      - Redistributions of source code must retain the above
     17 *        copyright notice, this list of conditions and the following
     18 *        disclaimer.
     19 *
     20 *      - Redistributions in binary form must reproduce the above
     21 *        copyright notice, this list of conditions and the following
     22 *        disclaimer in the documentation and/or other materials
     23 *        provided with the distribution.
     24 *
     25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     32 * SOFTWARE.
     33 */
     34
     35/* grab register-defs auto-generated by HW */
     36#include "qib_7220_regs.h"
     37
     38/* The number of eager receive TIDs for context zero. */
     39#define IBA7220_KRCVEGRCNT      2048U
     40
     41#define IB_7220_LT_STATE_CFGRCVFCFG      0x09
     42#define IB_7220_LT_STATE_CFGWAITRMT      0x0a
     43#define IB_7220_LT_STATE_TXREVLANES      0x0d
     44#define IB_7220_LT_STATE_CFGENH          0x10
     45
     46struct qib_chip_specific {
     47	u64 __iomem *cregbase;
     48	u64 *cntrs;
     49	u64 *portcntrs;
     50	spinlock_t sdepb_lock; /* serdes EPB bus */
     51	spinlock_t rcvmod_lock; /* protect rcvctrl shadow changes */
     52	spinlock_t gpio_lock; /* RMW of shadows/regs for ExtCtrl and GPIO */
     53	u64 hwerrmask;
     54	u64 errormask;
     55	u64 gpio_out; /* shadow of kr_gpio_out, for rmw ops */
     56	u64 gpio_mask; /* shadow the gpio mask register */
     57	u64 extctrl; /* shadow the gpio output enable, etc... */
     58	u32 ncntrs;
     59	u32 nportcntrs;
     60	u32 cntrnamelen;
     61	u32 portcntrnamelen;
     62	u32 numctxts;
     63	u32 rcvegrcnt;
     64	u32 autoneg_tries;
     65	u32 serdes_first_init_done;
     66	u32 sdmabufcnt;
     67	u32 lastbuf_for_pio;
     68	u32 updthresh; /* current AvailUpdThld */
     69	u32 updthresh_dflt; /* default AvailUpdThld */
     70	u8 presets_needed;
     71	u8 relock_timer_active;
     72	char emsgbuf[128];
     73	char sdmamsgbuf[192];
     74	char bitsmsgbuf[64];
     75	struct timer_list relock_timer;
     76	unsigned int relock_interval; /* in jiffies */
     77	struct qib_devdata *dd;
     78};
     79
     80struct qib_chippport_specific {
     81	struct qib_pportdata pportdata;
     82	wait_queue_head_t autoneg_wait;
     83	struct delayed_work autoneg_work;
     84	struct timer_list chase_timer;
     85	/*
     86	 * these 5 fields are used to establish deltas for IB symbol
     87	 * errors and linkrecovery errors.  They can be reported on
     88	 * some chips during link negotiation prior to INIT, and with
     89	 * DDR when faking DDR negotiations with non-IBTA switches.
     90	 * The chip counters are adjusted at driver unload if there is
     91	 * a non-zero delta.
     92	 */
     93	u64 ibdeltainprog;
     94	u64 ibsymdelta;
     95	u64 ibsymsnap;
     96	u64 iblnkerrdelta;
     97	u64 iblnkerrsnap;
     98	u64 ibcctrl; /* kr_ibcctrl shadow */
     99	u64 ibcddrctrl; /* kr_ibcddrctrl shadow */
    100	unsigned long chase_end;
    101	u32 last_delay_mult;
    102};
    103
    104/*
    105 * This header file provides the declarations and common definitions
    106 * for (mostly) manipulation of the SerDes blocks within the IBA7220.
    107 * the functions declared should only be called from within other
    108 * 7220-related files such as qib_iba7220.c or qib_sd7220.c.
    109 */
    110int qib_sd7220_presets(struct qib_devdata *dd);
    111int qib_sd7220_init(struct qib_devdata *dd);
    112void qib_sd7220_clr_ibpar(struct qib_devdata *);
    113/*
    114 * Below used for sdnum parameter, selecting one of the two sections
    115 * used for PCIe, or the single SerDes used for IB, which is the
    116 * only one currently used
    117 */
    118#define IB_7220_SERDES 2
    119
    120static inline u32 qib_read_kreg32(const struct qib_devdata *dd,
    121				  const u16 regno)
    122{
    123	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
    124		return -1;
    125	return readl((u32 __iomem *)&dd->kregbase[regno]);
    126}
    127
    128static inline u64 qib_read_kreg64(const struct qib_devdata *dd,
    129				  const u16 regno)
    130{
    131	if (!dd->kregbase || !(dd->flags & QIB_PRESENT))
    132		return -1;
    133
    134	return readq(&dd->kregbase[regno]);
    135}
    136
    137static inline void qib_write_kreg(const struct qib_devdata *dd,
    138				  const u16 regno, u64 value)
    139{
    140	if (dd->kregbase)
    141		writeq(value, &dd->kregbase[regno]);
    142}
    143
    144void set_7220_relock_poll(struct qib_devdata *, int);
    145void shutdown_7220_relock_poll(struct qib_devdata *);
    146void toggle_7220_rclkrls(struct qib_devdata *);
    147
    148
    149#endif /* _QIB_7220_H */