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Add second entry to LUT on a link side in B2B mode.

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Each of two entries on a virtual side should have its counterpart on a
peer's link side.

MFC after:	1 week
This commit is contained in:
Alexander Motin 2017-09-14 04:51:17 +00:00
parent 4e51f184e6
commit 83feae78cc
1 changed files with 3 additions and 4 deletions
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7
sys/dev/ntb/ntb_hw/ntb_hw_plx.c
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@ -197,8 +197,8 @@ ntb_plx_init(device_t dev)
}
}
/* Enable Link Interface LUT entry 0 for 0:0.0. */
PNTX_WRITE(sc, 0xdb4, 1);
/* Enable Link Interface LUT entries 0/1 for peer 0/1. */
PNTX_WRITE(sc, 0xdb4, 0x00090001);
}
/*
@ -631,13 +631,12 @@ ntb_plx_mw_set_trans_internal(device_t dev, unsigned mw_idx)
val64 = 0;
if (size > 0)
val64 = (~(size - 1) & ~0xfffff);
val64 |= 0x4;
val64 |= 0xc;
PNTX_WRITE(sc, 0xe8 + (mw->mw_bar - 2) * 4, val64);
PNTX_WRITE(sc, 0xe8 + (mw->mw_bar - 2) * 4 + 4, val64 >> 32);
/* Set Link Interface BAR address. */
val64 = 0x2000000000000000 * mw->mw_bar + off;
val64 |= 0x4;
PNTX_WRITE(sc, PCIR_BAR(mw->mw_bar), val64);
PNTX_WRITE(sc, PCIR_BAR(mw->mw_bar) + 4, val64 >> 32);
}