enum.h

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/****************************************************************************
 * Driver for Solarflare Solarstorm network controllers and boards
 * Copyright 2007-2009 Solarflare Communications Inc.
 *
 * 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, incorporated herein by reference.
 */

#ifndef EFX_ENUM_H
#define EFX_ENUM_H

/* Please keep up-to-date w.r.t the following two #defines */
enum efx_loopback_mode {
    LOOPBACK_NONE = 0,
    LOOPBACK_DATA = 1,
    LOOPBACK_GMAC = 2,
    LOOPBACK_XGMII = 3,
    LOOPBACK_XGXS = 4,
    LOOPBACK_XAUI = 5,
    LOOPBACK_GMII = 6,
    LOOPBACK_SGMII = 7,
    LOOPBACK_XGBR = 8,
    LOOPBACK_XFI = 9,
    LOOPBACK_XAUI_FAR = 10,
    LOOPBACK_GMII_FAR = 11,
    LOOPBACK_SGMII_FAR = 12,
    LOOPBACK_XFI_FAR = 13,
    LOOPBACK_GPHY = 14,
    LOOPBACK_PHYXS = 15,
    LOOPBACK_PCS = 16,
    LOOPBACK_PMAPMD = 17,
    LOOPBACK_XPORT = 18,
    LOOPBACK_XGMII_WS = 19,
    LOOPBACK_XAUI_WS = 20,
    LOOPBACK_XAUI_WS_FAR = 21,
    LOOPBACK_XAUI_WS_NEAR = 22,
    LOOPBACK_GMII_WS = 23,
    LOOPBACK_XFI_WS = 24,
    LOOPBACK_XFI_WS_FAR = 25,
    LOOPBACK_PHYXS_WS = 26,
    LOOPBACK_MAX
};
#define LOOPBACK_TEST_MAX LOOPBACK_PMAPMD

/* These loopbacks occur within the controller */
#define LOOPBACKS_INTERNAL ((1 << LOOPBACK_DATA) |      \
                (1 << LOOPBACK_GMAC) |      \
                (1 << LOOPBACK_XGMII)|      \
                (1 << LOOPBACK_XGXS) |      \
                (1 << LOOPBACK_XAUI) |      \
                (1 << LOOPBACK_GMII) |      \
                (1 << LOOPBACK_SGMII) |     \
                (1 << LOOPBACK_SGMII) |     \
                (1 << LOOPBACK_XGBR) |      \
                (1 << LOOPBACK_XFI) |       \
                (1 << LOOPBACK_XAUI_FAR) |      \
                (1 << LOOPBACK_GMII_FAR) |      \
                (1 << LOOPBACK_SGMII_FAR) |     \
                (1 << LOOPBACK_XFI_FAR) |       \
                (1 << LOOPBACK_XGMII_WS) |      \
                (1 << LOOPBACK_XAUI_WS) |       \
                (1 << LOOPBACK_XAUI_WS_FAR) |   \
                (1 << LOOPBACK_XAUI_WS_NEAR) |  \
                (1 << LOOPBACK_GMII_WS) |       \
                (1 << LOOPBACK_XFI_WS) |        \
                (1 << LOOPBACK_XFI_WS_FAR))

#define LOOPBACKS_WS ((1 << LOOPBACK_XGMII_WS) |        \
              (1 << LOOPBACK_XAUI_WS) |         \
              (1 << LOOPBACK_XAUI_WS_FAR) |     \
              (1 << LOOPBACK_XAUI_WS_NEAR) |        \
              (1 << LOOPBACK_GMII_WS) |         \
              (1 << LOOPBACK_XFI_WS) |          \
              (1 << LOOPBACK_XFI_WS_FAR) |      \
              (1 << LOOPBACK_PHYXS_WS))

#define LOOPBACKS_EXTERNAL(_efx)                    \
    ((_efx)->loopback_modes & ~LOOPBACKS_INTERNAL &         \
     ~(1 << LOOPBACK_NONE))

#define LOOPBACK_MASK(_efx)         \
    (1 << (_efx)->loopback_mode)

#define LOOPBACK_INTERNAL(_efx)             \
    (!!(LOOPBACKS_INTERNAL & LOOPBACK_MASK(_efx)))

#define LOOPBACK_EXTERNAL(_efx)             \
    (!!(LOOPBACK_MASK(_efx) & LOOPBACKS_EXTERNAL(_efx)))

#define LOOPBACK_CHANGED(_from, _to, _mask)             \
    (!!((LOOPBACK_MASK(_from) ^ LOOPBACK_MASK(_to)) & (_mask)))

#define LOOPBACK_OUT_OF(_from, _to, _mask)              \
    ((LOOPBACK_MASK(_from) & (_mask)) && !(LOOPBACK_MASK(_to) & (_mask)))

/*****************************************************************************/

enum reset_type {
    RESET_TYPE_INVISIBLE = 0,
    RESET_TYPE_ALL = 1,
    RESET_TYPE_WORLD = 2,
    RESET_TYPE_DISABLE = 3,
    RESET_TYPE_MAX_METHOD,
    RESET_TYPE_TX_WATCHDOG,
    RESET_TYPE_INT_ERROR,
    RESET_TYPE_RX_RECOVERY,
    RESET_TYPE_RX_DESC_FETCH,
    RESET_TYPE_TX_DESC_FETCH,
    RESET_TYPE_TX_SKIP,
    RESET_TYPE_MC_FAILURE,
    RESET_TYPE_MAX,
};

#endif /* EFX_ENUM_H */