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path: root/drivers/infiniband/hw
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2018-01-16i40iw: Remove setting of rem_addr.lenMustafa Ismail
Remove setting of rem_addr.len before calling iw_rdma_write, iw_inline_rdma_write and rdma_read. rem_addr.len is not used in those functions. Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16i40iw: Remove limit on re-posting AEQ entries to HWSindhu Devale
Currently, if the number of processed Asynchronous Event Queue (AEQ) entries exceeds 255, they are not returned to HW for re-use. During scale-up, the unreturned AEQ entries can grow to the max AEQ size and cause the HW to report an AEQ overflow. Remove the check which limits the number of processed AEQ entries returned to HW. Fixes: 86dbcd0f12e9 ("RDMA/i40iw: add file to handle cqp calls") Signed-off-by: Sindhu Devale <sindhu.devale@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16i40iw: Zero-out consumer key on allocate stag for FMRShiraz Saleem
If the application invalidates the MR before the FMR WR, HW parses the consumer key portion of the stag and returns an invalid stag key Asynchronous Event (AE) that tears down the QP. Fix this by zeroing-out the consumer key portion of the allocated stag returned to application for FMR. Fixes: ee855d3b93f3 ("RDMA/i40iw: Add base memory management extensions") Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16i40iw: Remove extra call to i40iw_est_sd()Shiraz Saleem
Remove redundant estimate SD function call. sd_needed should already be updated at the end of the do while resource reduction loop. Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16RDMA/hns: Set the guid for hip08 RoCE deviceoulijun
This patch assign a guid(Global Unique identifer) value to the hip08 device. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16RDMA/hns: Update the verbs of polling for completionoulijun
If the port is a RoCEv2 port, the remote port address and QP information which returned for UD will be modified. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16RDMA/hns: Assign zero for pkey_index of wc in hip08oulijun
Because pkey is fixed for hip08 RoCE, it needs to assign zero for pkey_index of wc. otherwise, it will happen an error when establishing connection by communication management mechanism. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16RDMA/hns: Fill sq wqe context of ud type in hip08oulijun
This patch mainly configure the fields of sq wqe of ud type when posting wr of gsi qp type. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16RDMA/hns: Add gsi qp support for modifying qp in hip08oulijun
It needs to Assign the values for some fields in qp context when qp type is gsi qp type in hip08. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16RDMA/hns: Create gsi qp in hip08oulijun
The gsi qp and rc qp use the same qp context structure and the created flow, only differentiate them by qpn and qp type. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16RDMA/hns: Assign the correct value for tx_cqnoulijun
When modifying qp from init to init, it need to assign the cqn of send cq for tx cqn field of qp context. Otherwise, it will cause a mistake when the send and recv cq sizes are different. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-16Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds
Pull rdma fixes from Doug Ledford: "We had a few more items creep up over the last week. Given we are in -rc8, these are obviously limited to bugs that have a big downside and for which we are certain of the fix. The first is a straight up oops bug that all you have to do is read the code to see it's a guaranteed 100% oops bug. The second is a use-after-free issue. We get away lucky if the queue we are shutting down is empty, but if it isn't, we can end up oopsing. We really need to drain the queue before destroying it. The final one is an issue with bad user input causing us to access our port array out of bounds. While fixing the array out of bounds issue, it was noticed that the original code did the same thing twice (the call to rdma_ah_set_port_num()), so its removal is not balanced by a readd elsewhere, it was already where it needed to be in addition to where it didn't need to be. Summary: - Oops fix in hfi1 driver - use-after-free issue in iser-target - use of user supplied array index without proper checking" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/mlx5: Fix out-of-bound access while querying AH IB/hfi1: Prevent a NULL dereference iser-target: Fix possible use-after-free in connection establishment error
2018-01-15IB/mlx4: Fix incorrectly releasing steerable UD QPs when have only ETH portsJack Morgenstein
Allocating steerable UD QPs depends on having at least one IB port, while releasing those QPs does not. As a result, when there are only ETH ports, the IB (RoCE) driver requests releasing a qp range whose base qp is zero, with qp count zero. When SR-IOV is enabled, and the VF driver is running on a VM over a hypervisor which treats such qp release calls as errors (rather than NOPs), we see lines in the VM message log like: mlx4_core 0002:00:02.0: Failed to release qp range base:0 cnt:0 Fix this by adding a check for a zero count in mlx4_release_qp_range() (which thus treats releasing 0 qps as a nop), and eliminating the check for device managed flow steering when releasing steerable UD QPs. (Freeing ib_uc_qpns_bitmap unconditionally is also OK, since it remains NULL when steerable UD QPs are not allocated). Cc: <stable@vger.kernel.org> Fixes: 4196670be786 ("IB/mlx4: Don't allocate range of steerable UD QPs for Ethernet-only device") Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-15RDMA/qedr: Fix endian problems around imm_dataJason Gunthorpe
The double swap matches what user space rdma-core does to imm_data. wc->imm_data is not used in the kernel so this change has no practical impact. Acked-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-15RDMA/hns: Fix endian problems around imm_data and rkeyJason Gunthorpe
This matches the changes made recently to the userspace hns driver when it was made sparse clean. See rdma-core commit bffd380cfe56 ("libhns: Make the provider sparse clean") wc->imm_data is not used in the kernel so this change has no practical impact. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-15RDMA/mlx5: Fix out-of-bound access while querying AHLeon Romanovsky
The rdma_ah_find_type() accesses the port array based on an index controlled by userspace. The existing bounds check is after the first use of the index, so userspace can generate an out of bounds access, as shown by the KASN report below. ================================================================== BUG: KASAN: slab-out-of-bounds in to_rdma_ah_attr+0xa8/0x3b0 Read of size 4 at addr ffff880019ae2268 by task ibv_rc_pingpong/409 CPU: 0 PID: 409 Comm: ibv_rc_pingpong Not tainted 4.15.0-rc2-00031-gb60a3faf5b83-dirty #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5-0-ge51488c-20140602_164612-nilsson.home.kraxel.org 04/01/2014 Call Trace: dump_stack+0xe9/0x18f print_address_description+0xa2/0x350 kasan_report+0x3a5/0x400 to_rdma_ah_attr+0xa8/0x3b0 mlx5_ib_query_qp+0xd35/0x1330 ib_query_qp+0x8a/0xb0 ib_uverbs_query_qp+0x237/0x7f0 ib_uverbs_write+0x617/0xd80 __vfs_write+0xf7/0x500 vfs_write+0x149/0x310 SyS_write+0xca/0x190 entry_SYSCALL_64_fastpath+0x18/0x85 RIP: 0033:0x7fe9c7a275a0 RSP: 002b:00007ffee5498738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe9c7ce4b00 RCX: 00007fe9c7a275a0 RDX: 0000000000000018 RSI: 00007ffee5498800 RDI: 0000000000000003 RBP: 000055d0c8d3f010 R08: 00007ffee5498800 R09: 0000000000000018 R10: 00000000000000ba R11: 0000000000000246 R12: 0000000000008000 R13: 0000000000004fb0 R14: 000055d0c8d3f050 R15: 00007ffee5498560 Allocated by task 1: __kmalloc+0x3f9/0x430 alloc_mad_private+0x25/0x50 ib_mad_post_receive_mads+0x204/0xa60 ib_mad_init_device+0xa59/0x1020 ib_register_device+0x83a/0xbc0 mlx5_ib_add+0x50e/0x5c0 mlx5_add_device+0x142/0x410 mlx5_register_interface+0x18f/0x210 mlx5_ib_init+0x56/0x63 do_one_initcall+0x15b/0x270 kernel_init_freeable+0x2d8/0x3d0 kernel_init+0x14/0x190 ret_from_fork+0x24/0x30 Freed by task 0: (stack is not available) The buggy address belongs to the object at ffff880019ae2000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 104 bytes to the right of 512-byte region [ffff880019ae2000, ffff880019ae2200) The buggy address belongs to the page: page:000000005d674e18 count:1 mapcount:0 mapping: (null) index:0x0 compound_mapcount: 0 flags: 0x4000000000008100(slab|head) raw: 4000000000008100 0000000000000000 0000000000000000 00000001000c000c raw: dead000000000100 dead000000000200 ffff88001a402000 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff880019ae2100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff880019ae2180: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc >ffff880019ae2200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff880019ae2280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff880019ae2300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== Disabling lock debugging due to kernel taint Cc: <stable@vger.kernel.org> Fixes: 44c58487d51a ("IB/core: Define 'ib' and 'roce' rdma_ah_attr types") Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-12net/mlx5: Fix mlx5_get_uars_page to return error codeEran Ben Elisha
Change mlx5_get_uars_page to return ERR_PTR in case of allocation failure. Change all callers accordingly to check the IS_ERR(ptr) instead of NULL. Fixes: 59211bd3b632 ("net/mlx5: Split the load/unload flow into hardware and software flows") Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-01-12{net,ib}/mlx5: Don't disable local loopback multicast traffic when neededEran Ben Elisha
There are systems platform information management interfaces (such as HOST2BMC) for which we cannot disable local loopback multicast traffic. Separate disable_local_lb_mc and disable_local_lb_uc capability bits so driver will not disable multicast loopback traffic if not supported. (It is expected that Firmware will not set disable_local_lb_mc if HOST2BMC is running for example.) Function mlx5_nic_vport_update_local_lb will do best effort to disable/enable UC/MC loopback traffic and return success only in case it succeeded to changed all allowed by Firmware. Adapt mlx5_ib and mlx5e to support the new cap bits. Fixes: 2c43c5a036be ("net/mlx5e: Enable local loopback in loopback selftest") Fixes: c85023e153e3 ("IB/mlx5: Add raw ethernet local loopback support") Fixes: bded747bb432 ("net/mlx5: Add raw ethernet local loopback firmware command") Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Cc: kernel-team@fb.com Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-01-10IB/mlx5: remove redundant assignment of mdevColin Ian King
The initial assignment to mdev is redundant as mdev is re-assigned later and the first assigned value is never read. Remove this redundant assignment. Cleans up clang warning: drivers/infiniband/hw/mlx5/main.c:359:24: warning: Value stored to 'mdev' during its initialization is never read Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-10IB/hfi1: Prevent a NULL dereferenceDan Carpenter
In the original code, we set "fd->uctxt" to NULL and then dereference it which will cause an Oops. Fixes: f2a3bc00a03c ("IB/hfi1: Protect context array set/clear with spinlock") Cc: <stable@vger.kernel.org> # 4.14.x Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2018-01-08Merge branch 'bart-srpt-for-next' into k.o/wip/dl-for-nextDoug Ledford
Merging in 12 patch series from Bart that required changes in the current for-rc branch in order to apply cleanly. Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-08IB/mlx5: Don't advertise RAW QP support in dual port modeDaniel Jurgens
When operating in dual port RoCE mode FW doesn't support steering for raw QPs on the slave port. They still work on the master port, but the user has no way of knowing which port is the master. The capability is reported per device, not per port. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Route MADs for dual port RoCEDaniel Jurgens
Route performance query MADs to the correct mlx5_core_dev when using dual port RoCE mode. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08{net, IB}/mlx5: Change set_roce_gid to take a port numberDaniel Jurgens
When in dual port mode setting a RoCE GID for any port flows through the master ports mlx5_core_dev. Provide an interface to set the port when sending this command. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Update counter implementation for dual port RoCEDaniel Jurgens
Update the counter interface for multiple ports. Some counter sets always comes from the primary device. Port specific counters should be accessed per mlx5_core_dev not always through the IB master mdev. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Change debugfs to have per port contentsParav Pandit
When there are multiple ports for single IB(RoCE) device, support debugfs entries to be available for each port. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Implement dual port functionality in query routinesDaniel Jurgens
Port operations must be routed to their native mlx5_core_dev. A multiport RoCE device registers itself as having 2 ports even before a 2nd port is affiliated. If an unaffilated port is queried use capability information from the master port, these values are the same. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Move IB event processing onto a workqueueDaniel Jurgens
Because mlx5_ib_event can be called from atomic context move event handling onto a workqueue. A mutex lock is required to get the IB device for slave ports, so move event processing onto a work queue. When an IB event is received, check if the mlx5_core_dev is a slave port, if so attempt to get the IB device it's affiliated with. If found process the event for that device, otherwise return. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08{net, IB}/mlx5: Manage port association for multiport RoCEDaniel Jurgens
When mlx5_ib_add is called determine if the mlx5 core device being added is capable of dual port RoCE operation. If it is, determine whether it is a master device or a slave device using the num_vhca_ports and affiliate_nic_vport_criteria capabilities. If the device is a slave, attempt to find a master device to affiliate it with. Devices that can be affiliated will share a system image guid. If none are found place it on a list of unaffiliated ports. If a master is found bind the port to it by configuring the port affiliation in the NIC vport context. Similarly when mlx5_ib_remove is called determine the port type. If it's a slave port, unaffiliate it from the master device, otherwise just remove it from the unaffiliated port list. The IB device is registered as a multiport device, even if a 2nd port is not available for affiliation. When the 2nd port is affiliated later the GID cache must be refreshed in order to get the default GIDs for the 2nd port in the cache. Export roce_rescan_device to provide a mechanism to refresh the cache after a new port is bound. In a multiport configuration all IB object (QP, MR, PD, etc) related commands should flow through the master mlx5_core_dev, other commands must be sent to the slave port mlx5_core_mdev, an interface is provide to get the correct mdev for non IB object commands. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Make netdev notifications multiport capableDaniel Jurgens
When multiple RoCE ports are supported registration for events on multiple netdevs is required. Refactor the event registration and handling to support multiple ports. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Reduce the use of num_port capabilityDaniel Jurgens
Remove use of the num_ports general capability throughout. The number of ports will be variable in the future, and reported in a different way. Signed-off-by: Daniel Jurgens <danielj@mellanox.com> Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Add support for DC target QPMoni Shoua
A DC Target (DCT) QP is represented in the hardware as a unique object. This object is created by CREATE_DCT command and destroyed by DESTROY_DCT command. However, in the driver we describe it as a QP. The hardware command that creates a DCT needs parameters that the verb create_qp() does not provide. Those remaining parameters are provided with the call to the verb modify_qp(). Therefore we delay the actual creation of a DCT in the hardware until the stage of modify_qp() to RTR. A support for query_qp() was added as well. It uses QUERY_DCT command to retrieve the applicable fields. Signed-off-by: Moni Shoua <monis@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Add support for DC Initiator QPMoni Shoua
DC Initiator (DCI) QP is represented like any other QP in the hardware. However, like any other transport QP there are attributes and settings that are special to DCI QP and needs specific attention and care. Make necessary changes to configure DCI QP. Signed-off-by: Moni Shoua <monis@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-08IB/mlx5: Handle type IB_QPT_DRIVER when creating a QPMoni Shoua
The QP type IB_QPT_DRIVER doesn't describe the transport or the service that the QP provides but those are known only to the hardware driver. The actual type of the QP is stored in the hardware driver context (i.e. mlx5_qp) under the field qp_sub_type. Take the real QP type and any extra data that is required to create the QP from the driver channel and modify the QP initial attributes before continuing with create_qp(). Downstream patches from this series will add support for both DCI and DCT driver QPs. Signed-off-by: Moni Shoua <monis@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-05bnxt_re: report RoCE device support at info levelJonathan Toppins
Reporting that a device doesn't support RoCE seems like a valuable piece of information to have when trying to determine why a driver is not binding to a device. Better to report this at info log level instead of requiring a user to enable all debug messages in the driver. Signed-off-by: Jonathan Toppins <jtoppins@redhat.com> Acked-By: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-05i40iw: Replace mdelay with msleep in i40iw_wait_pe_readyJia-Ju Bai
i40iw_wait_pe_ready is not called in an interrupt handler nor holding a spinlock. The function mdelay in it can be replaced with msleep, to reduce busy wait. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Acked-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-05IB/{hfi1, qib}: Fix a concurrency issue with device name in loggingMichael J. Ruhl
The get_unit_name() function crafts a string based on the device name and the device unit number. It then stores this in a static variable. This has concurrency issues as can be seen with this log: hfi1 0000:02:00.0: hfi1_1: read_idle_message: read idle message 0x203 hfi1 0000:01:00.0: hfi1_1: read_idle_message: read idle message 0x203 The PCI device ID (0000:02:00.0 vs. 0000:01:00.0) is correct for the message, but the device string hfi1_1 is incorrect (it should be hfi1_0 for the second log message). Remove get_unit_name() function. Instead, use the rvt accessor rvt_get_ibdev_name() to get the IB name string. Clean up any hfi1_early_xx calls that can now use the new path. QIB has the same (qib_get_unit_name()) issue. Updating as necessary. Remove qib_get_unit_name() function. Update log message that has redundant device name. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-05IB/hfi1: Fix infinite loop in 8051 command error pathSebastian Sanchez
When an 8051 command times out, the entire DC block is restarted. During the restart, the host interface version bit is set, which calls do_8051_command() recursively. The host version bit needs to be set before the link moves into polling, so the host version bit can be set in set_local_link_attributes() instead. Thus, the 8051 command functions can be simplied as a non-locking version (dd->dc8051_lock) of those functions are no longer needed. Fixes: 9be6a5d788b0 ("IB/hfi1: Prevent LNI out of sync by resetting host interface version") Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Sebastian Sanchez <sebastian.sanchez@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-05IB/{rdmavt, hfi1, qib}: Remove get_card_name() downcallMichael J. Ruhl
rdmavt has a down call to client drivers to retrieve a crafted card name. This name should be the IB defined name. Rather than craft the name each time it is needed, simply retrieve the IB allocated name from the IB device. Update the function name to reflect its application. Clean up driver code to match this change. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-05IB/{rdmavt, hfi1, qib}: Self determine driver nameMichael J. Ruhl
Currently the HFI and QIB drivers allow the IB core to assign a unit number to the driver name string. If multiple devices exist in a system, there is a possibility that the device unit number and the IB core number will be mismatched. Fix by using the driver defined unit number to generate the device name. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-01-03IB/mlx5: Move locks initialization to the corresponding stageMark Bloch
Unconditional locks/list and ODP srcu initialization should be done in the INIT stage. Remove those from the CAPS stage and move them to the proper stage. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03IB/mlx5: Move loopback initialization to the corresponding stageMark Bloch
The loopback stage only initializes a lock, move it to be in the CAPS initialization phase and get rid loopback step completely. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03IB/mlx5: Move hardware counters initialization to the corresponding stageMark Bloch
Now that we have a stage just for hardware counters, move all relevant initialization logic into one place. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03IB/mlx5: Move ODP initialization to the corresponding stageMark Bloch
Now that we have a stage just for ODP, move all relevant initialization logic into one place. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03IB/mlx5: Move RoCE/ETH initialization to the corresponding stageMark Bloch
Now that we have a stage just for RoCE/ETH, move all relevant initialization logic into one place. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03IB/mlx5: Create profile infrastructure to add and remove stagesMark Bloch
Today we have single function which is used when we add an IB interface, break this function into multiple functions. Create stages and a generic mechanism to execute each stage. This is in preparation for RDMA/IB representors which might not need all stages or will do things differently in some of the stages. This patch doesn't change any functionality. Signed-off-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03IB/hfi1: Add RQ/SRQ information to QP statsMichael J. Ruhl
When debugging issues with RC QPs, it is useful to know if a QP has an associated RQ or SRQ, the size of the RQ, and any RNR timeout values. Add the necessary information to the QP stats output. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03RDMA/hns: Assign dest_qp when deregistering mroulijun
It needs to create eight reserve QPs for resolving a bug of hip06. When deregistering mr, it will issue a rdma write for every reserve QPs. When modify qp from init to rtr, it needs to set the value of dest_qp_num. Otherwise, it will lead an error of freeing mr. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-01-03RDMA/hns: Fix QP state judgement before sending work requestsYixian Liu
The QP can accept send work requests only when the QP is in the states that allow them to be submitted. This patch updates the QP state judgement based on the specification. Signed-off-by: Yixian Liu <liuyixian@huawei.com> Signed-off-by: Shaobo Xu <xushaobo2@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>