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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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710a31102b
Work requests are passed between the host and the firmware with a
"cookie". This cookie is swapped to big-endian when passed to the
firmware and back to host endianness on return. This swapping seems
to be implemented incorrectly. Moreover, the byte swapping triggers
GCC warnings on 32 bit:
drivers/infiniband/hw/cxgb4/cm.c: In function ‘passive_ofld_conn_reply’:
drivers/infiniband/hw/cxgb4/cm.c:2803:12: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
drivers/infiniband/hw/cxgb4/cm.c: In function ‘send_fw_pass_open_req’:
drivers/infiniband/hw/cxgb4/cm.c:2941:16: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
[...]
But byte swapping isn't needed as the firmware doesn't actually touch
the cookie. Dropping byte swapping makes the warnings go away too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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||
|---|---|---|
| .. | ||
| cm.c | ||
| cq.c | ||
| device.c | ||
| ev.c | ||
| id_table.c | ||
| iw_cxgb4.h | ||
| Kconfig | ||
| Makefile | ||
| mem.c | ||
| provider.c | ||
| qp.c | ||
| resource.c | ||
| t4.h | ||
| t4fw_ri_api.h | ||
| user.h | ||