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IB/ehca: Fix HW level autodetection

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Autodetection was missing a few HW revisions, causing certain eHCA1
revisions to be treated like eHCA2.  Fixed.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Joachim Fenkes 2007-07-12 17:47:45 +02:00 committed by Roland Dreier
parent 8fcea95a2a
commit fbb9318be4
1 changed files with 17 additions and 12 deletions
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29
drivers/infiniband/hw/ehca/ehca_main.c
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@ -263,22 +263,27 @@ int ehca_sense_attributes(struct ehca_shca *shca)
ehca_gen_dbg(" ... hardware version=%x:%x", hcaaver, revid);
if ((hcaaver == 1) && (revid == 0))
shca->hw_level = 0x11;
else if ((hcaaver == 1) && (revid == 1))
shca->hw_level = 0x12;
else if ((hcaaver == 1) && (revid == 2))
shca->hw_level = 0x13;
else if ((hcaaver == 2) && (revid == 0))
shca->hw_level = 0x21;
else if ((hcaaver == 2) && (revid == 0x10))
shca->hw_level = 0x22;
else {
if (hcaaver == 1) {
if (revid <= 3)
shca->hw_level = 0x10 | (revid + 1);
else
shca->hw_level = 0x14;
} else if (hcaaver == 2) {
if (revid == 0)
shca->hw_level = 0x21;
else if (revid == 0x10)
shca->hw_level = 0x22;
else if (revid == 0x20 || revid == 0x21)
shca->hw_level = 0x23;
}
if (!shca->hw_level) {
ehca_gen_warn("unknown hardware version"
" - assuming default level");
shca->hw_level = 0x22;
}
}
} else
shca->hw_level = ehca_hw_level;
ehca_gen_dbg(" ... hardware level=%x", shca->hw_level);
shca->sport[0].rate = IB_RATE_30_GBPS;