diff options
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 19 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/common.h | 7 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/file_ops.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/tid_rdma.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/verbs.c | 7 | ||||
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 29 |
7 files changed, 39 insertions, 34 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index e0b1238d31df..c08bf813d6fa 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2015 - 2018 Intel Corporation. + * Copyright(c) 2015 - 2020 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. @@ -67,10 +67,6 @@ #include "debugfs.h" #include "fault.h" -uint kdeth_qp; -module_param_named(kdeth_qp, kdeth_qp, uint, S_IRUGO); -MODULE_PARM_DESC(kdeth_qp, "Set the KDETH queue pair prefix"); - uint num_vls = HFI1_MAX_VLS_SUPPORTED; module_param(num_vls, uint, S_IRUGO); MODULE_PARM_DESC(num_vls, "Set number of Virtual Lanes to use (1-8)"); @@ -14119,21 +14115,12 @@ static void init_early_variables(struct hfi1_devdata *dd) static void init_kdeth_qp(struct hfi1_devdata *dd) { - /* user changed the KDETH_QP */ - if (kdeth_qp != 0 && kdeth_qp >= 0xff) { - /* out of range or illegal value */ - dd_dev_err(dd, "Invalid KDETH queue pair prefix, ignoring"); - kdeth_qp = 0; - } - if (kdeth_qp == 0) /* not set, or failed range check */ - kdeth_qp = DEFAULT_KDETH_QP; - write_csr(dd, SEND_BTH_QP, - (kdeth_qp & SEND_BTH_QP_KDETH_QP_MASK) << + (RVT_KDETH_QP_PREFIX & SEND_BTH_QP_KDETH_QP_MASK) << SEND_BTH_QP_KDETH_QP_SHIFT); write_csr(dd, RCV_BTH_QP, - (kdeth_qp & RCV_BTH_QP_KDETH_QP_MASK) << + (RVT_KDETH_QP_PREFIX & RCV_BTH_QP_KDETH_QP_MASK) << RCV_BTH_QP_KDETH_QP_SHIFT); } diff --git a/drivers/infiniband/hw/hfi1/common.h b/drivers/infiniband/hw/hfi1/common.h index 1f7107e35a43..606254513640 100644 --- a/drivers/infiniband/hw/hfi1/common.h +++ b/drivers/infiniband/hw/hfi1/common.h @@ -72,13 +72,6 @@ * compilation unit */ -/* - * If a packet's QP[23:16] bits match this value, then it is - * a PSM packet and the hardware will expect a KDETH header - * following the BTH. - */ -#define DEFAULT_KDETH_QP 0x80 - /* driver/hw feature set bitmask */ #define HFI1_CAP_USER_SHIFT 24 #define HFI1_CAP_MASK ((1UL << HFI1_CAP_USER_SHIFT) - 1) diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index e7fdd70c6e78..8ca51e43cf53 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2015-2017 Intel Corporation. + * Copyright(c) 2015-2020 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. @@ -1264,7 +1264,7 @@ static int get_base_info(struct hfi1_filedata *fd, unsigned long arg, u32 len) memset(&binfo, 0, sizeof(binfo)); binfo.hw_version = dd->revision; binfo.sw_version = HFI1_KERN_SWVERSION; - binfo.bthqp = kdeth_qp; + binfo.bthqp = RVT_KDETH_QP_PREFIX; binfo.jkey = uctxt->jkey; /* * If more than 64 contexts are enabled the allocated credit diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index b06c2594105a..ed13051d38da 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1,7 +1,7 @@ #ifndef _HFI1_KERNEL_H #define _HFI1_KERNEL_H /* - * Copyright(c) 2015-2018 Intel Corporation. + * Copyright(c) 2015-2020 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. @@ -2250,7 +2250,6 @@ extern int num_user_contexts; extern unsigned long n_krcvqs; extern uint krcvqs[]; extern int krcvqsset; -extern uint kdeth_qp; extern uint loopback; extern uint quick_linkup; extern uint rcv_intr_timeout; diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c index 8a2e0d9351e9..243b4ba0b6f6 100644 --- a/drivers/infiniband/hw/hfi1/tid_rdma.c +++ b/drivers/infiniband/hw/hfi1/tid_rdma.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* - * Copyright(c) 2018 Intel Corporation. + * Copyright(c) 2018 - 2020 Intel Corporation. * */ @@ -194,7 +194,7 @@ void tid_rdma_opfn_init(struct rvt_qp *qp, struct tid_rdma_params *p) { struct hfi1_qp_priv *priv = qp->priv; - p->qp = (kdeth_qp << 16) | priv->rcd->ctxt; + p->qp = (RVT_KDETH_QP_PREFIX << 16) | priv->rcd->ctxt; p->max_len = TID_RDMA_MAX_SEGMENT_SIZE; p->jkey = priv->rcd->jkey; p->max_read = TID_RDMA_MAX_READ_SEGS_PER_REQ; diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 2f6323ad9c59..c1c6fa986cd1 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2015 - 2018 Intel Corporation. + * Copyright(c) 2015 - 2020 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. @@ -1863,9 +1863,8 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd) dd->verbs_dev.rdi.dparms.qpn_start = 0; dd->verbs_dev.rdi.dparms.qpn_inc = 1; dd->verbs_dev.rdi.dparms.qos_shift = dd->qos_shift; - dd->verbs_dev.rdi.dparms.qpn_res_start = kdeth_qp << 16; - dd->verbs_dev.rdi.dparms.qpn_res_end = - dd->verbs_dev.rdi.dparms.qpn_res_start + 65535; + dd->verbs_dev.rdi.dparms.qpn_res_start = RVT_KDETH_QP_BASE; + dd->verbs_dev.rdi.dparms.qpn_res_end = RVT_AIP_QP_MAX; dd->verbs_dev.rdi.dparms.max_rdma_atomic = HFI1_MAX_RDMA_ATOMIC; dd->verbs_dev.rdi.dparms.psn_mask = PSN_MASK; dd->verbs_dev.rdi.dparms.psn_shift = PSN_SHIFT; diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index 982bf2340840..c4369a6c2951 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -2,7 +2,7 @@ #define DEF_RDMAVT_INCQP_H /* - * Copyright(c) 2016 - 2019 Intel Corporation. + * Copyright(c) 2016 - 2020 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. @@ -69,6 +69,33 @@ #define RVT_R_COMM_EST 0x10 /* + * If a packet's QP[23:16] bits match this value, then it is + * a PSM packet and the hardware will expect a KDETH header + * following the BTH. + */ +#define RVT_KDETH_QP_PREFIX 0x80 +#define RVT_KDETH_QP_SUFFIX 0xffff +#define RVT_KDETH_QP_PREFIX_MASK 0x00ff0000 +#define RVT_KDETH_QP_PREFIX_SHIFT 16 +#define RVT_KDETH_QP_BASE (u32)(RVT_KDETH_QP_PREFIX << \ + RVT_KDETH_QP_PREFIX_SHIFT) +#define RVT_KDETH_QP_MAX (u32)(RVT_KDETH_QP_BASE + RVT_KDETH_QP_SUFFIX) + +/* + * If a packet's LNH == BTH and DEST QPN[23:16] in the BTH match this + * prefix value, then it is an AIP packet with a DETH containing the entropy + * value in byte 4 following the BTH. + */ +#define RVT_AIP_QP_PREFIX 0x81 +#define RVT_AIP_QP_SUFFIX 0xffff +#define RVT_AIP_QP_PREFIX_MASK 0x00ff0000 +#define RVT_AIP_QP_PREFIX_SHIFT 16 +#define RVT_AIP_QP_BASE (u32)(RVT_AIP_QP_PREFIX << \ + RVT_AIP_QP_PREFIX_SHIFT) +#define RVT_AIP_QPN_MAX BIT(RVT_AIP_QP_PREFIX_SHIFT) +#define RVT_AIP_QP_MAX (u32)(RVT_AIP_QP_BASE + RVT_AIP_QPN_MAX - 1) + +/* * Bit definitions for s_flags. * * RVT_S_SIGNAL_REQ_WR - set if QP send WRs contain completion signaled |