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Commit Graph

31 Commits

Author SHA1 Message Date
Salil
1bdab400af IB/hns: Fix for removal of redundant code
This patch removes the redundant code lines present in the
functions get_send_wqe() and get_recv_wqe(). This also fixes
the error in calculating the SQ WQE.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
deb17f6f82 IB/hns: Delete the redundant lines in hns_roce_v1_m_qp()
It doesn't need to assign for the filed of qp state in qpc separately
when qp happen to migrate state which supported in RoCE engine v1.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
3e413872b1 IB/hns: Fix the bug when platform_get_resource() exec fail
This patch mainly fixes the bug with platform_get_resource().
It should return NULL when platform_get_resource() exec fail.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
1fad5fab78 IB/hns: Update the rq head when modify qp state
The rq head in qpc was zero will miss the rq wqes which
have be sent, so here we should take the real value.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
24f0c9c0ff IB/hns: Cq has not been freed
Cq has not been freed when fail to ib_copy_to_udata, so need to
free it.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Peter Chen <luck.chen@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
cb814642e7 IB/hns: Validate mtu when modified qp
The mtu should be validated when modify qp,so we check it.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Peter Chen <luck.chen@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
7c7a4ea145 IB/hns: Some items of qpc need to take user param
Some items of qpc need to take user param when modified qp
state.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
c6c3bfea82 IB/hns: The Ack timeout need a lower limit value
The Ack timeout of qpc need a lower limit value,otherwise
the read performance will be very lower.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
07182fa77b IB/hns: Return bad wr while post send failed
While post failed, hns roce should return the wr failed to user.
We omitted this while qp type is wrong and fixed it.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
1cd11064da IB/hns: Fix bug of memory leakage for registering user mr
While the page size attribute of umem is illegal, we should release
umem that get by ib_umem_get interface.

Also, we should return a non-zero value while pbl number is wrong.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
49fdf6bb0a IB/hns: Modify the init of iboe lock
This lock will be used in query port interface, and will be called
while IB device was registered to OFED framework/IB Core. So, the
lock of iboe must be initiated before IB device was registered.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by:  Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Wei Hu (Xavier)
c4a193d3a8 IB/hns: Optimize code of aeq and ceq interrupt handle and fix the bug of qpn
This patch optimized the codes of aeq and ceq interrupt handle
and fixed the bug in the calculation of qpn. For the special
qp(GSI or SMI), calculated the qp number according to physical
port and the qpn reported in the event of async event queue.

Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Wei Hu (Xavier)
1ca5b253ad IB/hns: Delete the sqp_start from the structure hns_roce_caps
This patch deleted the sqp_start from the structure hns_roce_caps, and
modified the calculation of the qp number.

Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Wei Hu (Xavier)
97f0e39fa5 IB/hns: Fix bug of clear hem
In hip06, there's no interface to release hem memory. So, hardware can't
identify whether hem memory released or not.
If all context in a hem memory released, the related hem memory will be
released by driver and reused by others. But, hardware don't know that
this memory can't be used already.

In order to fix this bug, hns roce driver reserved 128K memory for each
type of hem(QPC/CQC/MTPT). While unmap hem memory, hns roce driver will
write base address of reserved memory according to hem type.

Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
76445703e5 IB/hns: Remove unused parameter named qp_type
This patch removes the qp_type parameter in
hns_roce_set_kernel_sq_size().

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Ping Zhang <zhangping5@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
a598c6f4c5 IB/hns: Simplify function of pd alloc and qp alloc
Hns_roce_pd_alloc and hns_roce_reserve_range_qp use unnecessary
transformation of parameters. This patch simplify these two
functions.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
ed3e6d0113 IB/hns: Fix bug of using uninit refcount and free
In current version, it uses uninitialized parameters named
refcount and free in hns_roce_cq_event.
This patch initializes these parameter in cq alloc and add
correspond process in cq free.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
622b85f9f7 IB/hns: Remove parameters of resize cq
In old version of RoCE, it doesn't support to resize cq.
So, we remove parameters related to resize cq.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Dongdong Huang(Donald) <hdd.huang@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
a4be892e83 IB/hns: Remove unused parameters in some functions
The parameter named collapsed unused in hns_roce_cq_alloc.
Also, parameter named doorbell_lock unsed in
hns_roce_v1_cq_set_ci. This patch optimize these parameters.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:15 -04:00
Lijun Ou
ac11125bfd IB/hns: Fix two bugs for rdma cm connecting
This patch mainly modify the value of HNS_ROCE_SL_SHIFT
and delete the lines for assigning for the field of
local_enable_e2e_credit in QP1C.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Lijun Ou
509bf0c2da IB/hns: Fix the bug of rdma cm connecting on user mode
Fix bug of modify qp from init to init on user mode. Otherwise,
it will oops when rmda cm established.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Lijun Ou
b280db52cc IB/hns: Change the logic for allocating uar registers
This patch mainly modifies the logic for allocating uar registers.
In HiP06 SoC, HW has 8 group of uar registers for kernel and
user space application. The uar index is assigned as follows:
    0   ------ for kernel
    1~7 ------ for user space application

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Lijun Ou
7716809efe IB/hns: Add phy_port for computing GSI/QPN
This patch mainly adds phy_port to HNS RoCE QP. This shall be
used in calculating the GSI QPN for the port.
Initally when RDMA is being established, all IB ports share a
QPN which later needs to be re-assigned to a particular GSI/QPN
and which is per-port.
This also fixes a bug in base driver where iboe port was being
used instead of phy_port at some places. This values might not
be same always.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Lijun Ou
c24bf895c5 IB/hns: Fix two possible bugs for rdma cm
Fix the length of wqe that maybe lead to an error and
write the end bytes of QP1C into the register.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Lijun Ou
a74aab6c2f IB/hns: Fix the value of device_cap_flags
In the latest IB core version, it has some known issues
with memory registration using the local_dma_lkey.
Thus RoCE don't expose support for it, and remove
device->local_dma_lkey which is introduced to working systems.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Lijun Ou
31644665d4 IB/hns: Add & initialize "node_guid" parameter for RDMA CM
According to the Infiniband spec, NodeGUID uniquely identifies a
node. This must be initialized to some unique value. This patch
adds the support to the HNS RoCE driver to fetch the NodeGUID
value from DT or ACPI and then use this value to initialize the
node_guid parameter of IB device. This value shall be used by
RDMA CM.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Lijun Ou
2eefca2722 IB/hns: Register HNS RoCE Driver get_netdev() with IB Core
This patch adds get_netdev() function to the IB device. This shall be
used to fetch netdev corresponding to the port number. This function
would be called by IB core(Generic CM Agent) for example, when the
RDMA connection is being established.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-10-03 11:43:10 -04:00
Salil
528f1deb16 IB/hns: Add support of ACPI to the Hisilicon RoCE driver
This patch is meant to add support of ACPI to the Hisilicon RoCE
driver.

Changes done are primarily meant to detect the type and then either
use DT specific or ACPI spcific functions. Where ever possible,
this patch tries to make use of Unified Device Property Interface
APIs to support both DT and ACPI through single interface.

This patch depends upon HNS ethernet driver to Reset RoCE. This
function within HNS ethernet driver has also been enhanced to
support ACPI and is part of other accompanying patch with this
patch-set.

NOTE: The changes in this patch are done over below branch,
https://github.com/dledford/linux/tree/hns-roce

Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-08-25 10:05:10 -04:00
Wei Yongjun
204f69ba64 IB/hns: Fix return value check in hns_roce_get_cfg()
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-08-22 14:13:18 -04:00
oulijun
8793f779cf IB/hns: Kconfig and Makefile for RoCE module
This patch added Kconfig and Makefile for building RoCE module.

Signed-off-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Nenglong Zhao <zhaonenglong@hisilicon.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-08-22 14:02:33 -04:00
oulijun
9a4435375c IB/hns: Add driver files for hns RoCE driver
These are the various new source code files for the Hisilicon
RoCE driver for ARM architecture.

Signed-off-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Nenglong Zhao <zhaonenglong@hisilicon.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-08-22 14:02:32 -04:00