Author: hselasky
Date: Tue Feb 13 17:04:34 2018
New Revision: 329222
URL: https://svnweb.freebsd.org/changeset/base/329222
Log:
Import the mthca kernel side infiniband driver from Linux 4.9 and fix
compilation under FreeBSD. The mthca driver was temporarily removed as
part of the Linux 4.9 RoCE/infinband upgrade.
Top commit in Linux source tree:
69973b830859bc6529a7a0468ba0d80ee5117826
Sponsored by: Mellanox Technologies
Added:
head/sys/dev/mthca/
head/sys/dev/mthca/mthca_allocator.c (contents, props changed)
head/sys/dev/mthca/mthca_av.c (contents, props changed)
head/sys/dev/mthca/mthca_catas.c (contents, props changed)
head/sys/dev/mthca/mthca_cmd.c (contents, props changed)
head/sys/dev/mthca/mthca_cmd.h (contents, props changed)
head/sys/dev/mthca/mthca_config_reg.h (contents, props changed)
head/sys/dev/mthca/mthca_cq.c (contents, props changed)
head/sys/dev/mthca/mthca_dev.h (contents, props changed)
head/sys/dev/mthca/mthca_doorbell.h (contents, props changed)
head/sys/dev/mthca/mthca_eq.c (contents, props changed)
head/sys/dev/mthca/mthca_mad.c (contents, props changed)
head/sys/dev/mthca/mthca_main.c (contents, props changed)
head/sys/dev/mthca/mthca_mcg.c (contents, props changed)
head/sys/dev/mthca/mthca_memfree.c (contents, props changed)
head/sys/dev/mthca/mthca_memfree.h (contents, props changed)
head/sys/dev/mthca/mthca_mr.c (contents, props changed)
head/sys/dev/mthca/mthca_pd.c (contents, props changed)
head/sys/dev/mthca/mthca_profile.c (contents, props changed)
head/sys/dev/mthca/mthca_profile.h (contents, props changed)
head/sys/dev/mthca/mthca_provider.c (contents, props changed)
head/sys/dev/mthca/mthca_provider.h (contents, props changed)
head/sys/dev/mthca/mthca_qp.c (contents, props changed)
head/sys/dev/mthca/mthca_reset.c (contents, props changed)
head/sys/dev/mthca/mthca_srq.c (contents, props changed)
head/sys/dev/mthca/mthca_uar.c (contents, props changed)
head/sys/dev/mthca/mthca_user.h (contents, props changed)
head/sys/dev/mthca/mthca_wqe.h (contents, props changed)
head/sys/modules/mthca/
head/sys/modules/mthca/Makefile (contents, props changed)
head/sys/ofed/include/uapi/rdma/mthca-abi.h (contents, props changed)
Modified:
head/sys/amd64/conf/NOTES
head/sys/conf/files
head/sys/i386/conf/NOTES
head/sys/modules/Makefile
Modified: head/sys/amd64/conf/NOTES
==============================================================================
--- head/sys/amd64/conf/NOTES Tue Feb 13 16:48:57 2018 (r329221)
+++ head/sys/amd64/conf/NOTES Tue Feb 13 17:04:34 2018 (r329222)
@@ -315,6 +315,7 @@ options DRM_DEBUG # Include debug printfs (slow)
# Requires the iwn firmware module
# ixl: Intel XL710 40Gbe PCIE Ethernet
# ixlv: Intel XL710 40Gbe VF PCIE Ethernet
+# mthca: Mellanox HCA InfiniBand
# mlx4ib: Mellanox ConnectX HCA InfiniBand
# mlx4en: Mellanox ConnectX HCA Ethernet
# nfe: nVidia nForce MCP on-board Ethernet Networking (BSD open source)
@@ -334,6 +335,7 @@ device iwn # Intel
4965/1000/5000/6000 wireless NICs
device ixl # Intel XL710 40Gbe PCIE Ethernet
options IXL_IW # Enable iWARP Client Interface in
ixl(4)
device ixlv # Intel XL710 40Gbe VF PCIE Ethernet
+device mthca # Mellanox HCA InfiniBand
device mlx4 # Shared code module between IB and Ethernet
device mlx4ib # Mellanox ConnectX HCA InfiniBand
device mlx4en # Mellanox ConnectX HCA Ethernet
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Tue Feb 13 16:48:57 2018 (r329221)
+++ head/sys/conf/files Tue Feb 13 17:04:34 2018 (r329222)
@@ -4551,6 +4551,43 @@ ofed/drivers/infiniband/ulp/sdp/sdp_cma.c
optional sdp
ofed/drivers/infiniband/ulp/sdp/sdp_tx.c optional sdp inet \
compile-with "${OFED_C} -I$S/ofed/drivers/infiniband/ulp/sdp/"
+dev/mthca/mthca_allocator.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_av.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_catas.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_cmd.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_cq.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_eq.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_mad.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_main.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_mcg.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_memfree.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_mr.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_pd.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_profile.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_provider.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_qp.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_reset.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_srq.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+dev/mthca/mthca_uar.c optional mthca pci ofed \
+ compile-with "${OFED_C}"
+
dev/mlx4/mlx4_ib/mlx4_ib_alias_GUID.c optional mlx4ib pci ofed \
compile-with "${OFED_C}"
dev/mlx4/mlx4_ib/mlx4_ib_mcg.c optional mlx4ib pci ofed \
Added: head/sys/dev/mthca/mthca_allocator.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/mthca/mthca_allocator.c Tue Feb 13 17:04:34 2018
(r329222)
@@ -0,0 +1,301 @@
+/*
+ * Copyright (c) 2004 Topspin Communications. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/bitmap.h>
+
+#include "mthca_dev.h"
+
+/* Trivial bitmap-based allocator */
+u32 mthca_alloc(struct mthca_alloc *alloc)
+{
+ unsigned long flags;
+ u32 obj;
+
+ spin_lock_irqsave(&alloc->lock, flags);
+
+ obj = find_next_zero_bit(alloc->table, alloc->max, alloc->last);
+ if (obj >= alloc->max) {
+ alloc->top = (alloc->top + alloc->max) & alloc->mask;
+ obj = find_first_zero_bit(alloc->table, alloc->max);
+ }
+
+ if (obj < alloc->max) {
+ set_bit(obj, alloc->table);
+ obj |= alloc->top;
+ } else
+ obj = -1;
+
+ spin_unlock_irqrestore(&alloc->lock, flags);
+
+ return obj;
+}
+
+void mthca_free(struct mthca_alloc *alloc, u32 obj)
+{
+ unsigned long flags;
+
+ obj &= alloc->max - 1;
+
+ spin_lock_irqsave(&alloc->lock, flags);
+
+ clear_bit(obj, alloc->table);
+ alloc->last = min(alloc->last, obj);
+ alloc->top = (alloc->top + alloc->max) & alloc->mask;
+
+ spin_unlock_irqrestore(&alloc->lock, flags);
+}
+
+int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
+ u32 reserved)
+{
+ int i;
+
+ /* num must be a power of 2 */
+ if (num != 1 << (ffs(num) - 1))
+ return -EINVAL;
+
+ alloc->last = 0;
+ alloc->top = 0;
+ alloc->max = num;
+ alloc->mask = mask;
+ spin_lock_init(&alloc->lock);
+ alloc->table = kmalloc(BITS_TO_LONGS(num) * sizeof (long),
+ GFP_KERNEL);
+ if (!alloc->table)
+ return -ENOMEM;
+
+ bitmap_zero(alloc->table, num);
+ for (i = 0; i < reserved; ++i)
+ set_bit(i, alloc->table);
+
+ return 0;
+}
+
+void mthca_alloc_cleanup(struct mthca_alloc *alloc)
+{
+ kfree(alloc->table);
+}
+
+/*
+ * Array of pointers with lazy allocation of leaf pages. Callers of
+ * _get, _set and _clear methods must use a lock or otherwise
+ * serialize access to the array.
+ */
+
+#define MTHCA_ARRAY_MASK (PAGE_SIZE / sizeof (void *) - 1)
+
+void *mthca_array_get(struct mthca_array *array, int index)
+{
+ int p = (index * sizeof (void *)) >> PAGE_SHIFT;
+
+ if (array->page_list[p].page)
+ return array->page_list[p].page[index & MTHCA_ARRAY_MASK];
+ else
+ return NULL;
+}
+
+int mthca_array_set(struct mthca_array *array, int index, void *value)
+{
+ int p = (index * sizeof (void *)) >> PAGE_SHIFT;
+
+ /* Allocate with GFP_ATOMIC because we'll be called with locks held. */
+ if (!array->page_list[p].page)
+ array->page_list[p].page = (void **)
get_zeroed_page(GFP_ATOMIC);
+
+ if (!array->page_list[p].page)
+ return -ENOMEM;
+
+ array->page_list[p].page[index & MTHCA_ARRAY_MASK] = value;
+ ++array->page_list[p].used;
+
+ return 0;
+}
+
+void mthca_array_clear(struct mthca_array *array, int index)
+{
+ int p = (index * sizeof (void *)) >> PAGE_SHIFT;
+
+ if (--array->page_list[p].used == 0) {
+ free_page((unsigned long) array->page_list[p].page);
+ array->page_list[p].page = NULL;
+ } else
+ array->page_list[p].page[index & MTHCA_ARRAY_MASK] = NULL;
+
+ if (array->page_list[p].used < 0)
+ pr_debug("Array %p index %d page %d with ref count %d < 0\n",
+ array, index, p, array->page_list[p].used);
+}
+
+int mthca_array_init(struct mthca_array *array, int nent)
+{
+ int npage = (nent * sizeof (void *) + PAGE_SIZE - 1) / PAGE_SIZE;
+ int i;
+
+ array->page_list = kmalloc(npage * sizeof *array->page_list,
GFP_KERNEL);
+ if (!array->page_list)
+ return -ENOMEM;
+
+ for (i = 0; i < npage; ++i) {
+ array->page_list[i].page = NULL;
+ array->page_list[i].used = 0;
+ }
+
+ return 0;
+}
+
+void mthca_array_cleanup(struct mthca_array *array, int nent)
+{
+ int i;
+
+ for (i = 0; i < (nent * sizeof (void *) + PAGE_SIZE - 1) / PAGE_SIZE;
++i)
+ free_page((unsigned long) array->page_list[i].page);
+
+ kfree(array->page_list);
+}
+
+/*
+ * Handling for queue buffers -- we allocate a bunch of memory and
+ * register it in a memory region at HCA virtual address 0. If the
+ * requested size is > max_direct, we split the allocation into
+ * multiple pages, so we don't require too much contiguous memory.
+ */
+
+int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct,
+ union mthca_buf *buf, int *is_direct, struct mthca_pd *pd,
+ int hca_write, struct mthca_mr *mr)
+{
+ int err = -ENOMEM;
+ int npages, shift;
+ u64 *dma_list = NULL;
+ dma_addr_t t;
+ int i;
+
+ if (size <= max_direct) {
+ *is_direct = 1;
+ npages = 1;
+ shift = get_order(size) + PAGE_SHIFT;
+
+ buf->direct.buf = dma_alloc_coherent(&dev->pdev->dev,
+ size, &t, GFP_KERNEL);
+ if (!buf->direct.buf)
+ return -ENOMEM;
+
+ dma_unmap_addr_set(&buf->direct, mapping, t);
+
+ memset(buf->direct.buf, 0, size);
+
+ while (t & ((1 << shift) - 1)) {
+ --shift;
+ npages *= 2;
+ }
+
+ dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
+ if (!dma_list)
+ goto err_free;
+
+ for (i = 0; i < npages; ++i)
+ dma_list[i] = t + i * (1 << shift);
+ } else {
+ *is_direct = 0;
+ npages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
+ shift = PAGE_SHIFT;
+
+ dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
+ if (!dma_list)
+ return -ENOMEM;
+
+ buf->page_list = kmalloc(npages * sizeof *buf->page_list,
+ GFP_KERNEL);
+ if (!buf->page_list)
+ goto err_out;
+
+ for (i = 0; i < npages; ++i)
+ buf->page_list[i].buf = NULL;
+
+ for (i = 0; i < npages; ++i) {
+ buf->page_list[i].buf =
+ dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE,
+ &t, GFP_KERNEL);
+ if (!buf->page_list[i].buf)
+ goto err_free;
+
+ dma_list[i] = t;
+ dma_unmap_addr_set(&buf->page_list[i], mapping, t);
+
+ clear_page(buf->page_list[i].buf);
+ }
+ }
+
+ err = mthca_mr_alloc_phys(dev, pd->pd_num,
+ dma_list, shift, npages,
+ 0, size,
+ MTHCA_MPT_FLAG_LOCAL_READ |
+ (hca_write ? MTHCA_MPT_FLAG_LOCAL_WRITE : 0),
+ mr);
+ if (err)
+ goto err_free;
+
+ kfree(dma_list);
+
+ return 0;
+
+err_free:
+ mthca_buf_free(dev, size, buf, *is_direct, NULL);
+
+err_out:
+ kfree(dma_list);
+
+ return err;
+}
+
+void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf,
+ int is_direct, struct mthca_mr *mr)
+{
+ int i;
+
+ if (mr)
+ mthca_free_mr(dev, mr);
+
+ if (is_direct)
+ dma_free_coherent(&dev->pdev->dev, size, buf->direct.buf,
+ dma_unmap_addr(&buf->direct, mapping));
+ else {
+ for (i = 0; i < (size + PAGE_SIZE - 1) / PAGE_SIZE; ++i)
+ dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
+ buf->page_list[i].buf,
+ dma_unmap_addr(&buf->page_list[i],
+ mapping));
+ kfree(buf->page_list);
+ }
+}
Added: head/sys/dev/mthca/mthca_av.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/mthca/mthca_av.c Tue Feb 13 17:04:34 2018
(r329222)
@@ -0,0 +1,374 @@
+/*
+ * Copyright (c) 2004 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/string.h>
+#include <linux/slab.h>
+
+#include <rdma/ib_verbs.h>
+#include <rdma/ib_cache.h>
+
+#include "mthca_dev.h"
+
+enum {
+ MTHCA_RATE_TAVOR_FULL = 0,
+ MTHCA_RATE_TAVOR_1X = 1,
+ MTHCA_RATE_TAVOR_4X = 2,
+ MTHCA_RATE_TAVOR_1X_DDR = 3
+};
+
+enum {
+ MTHCA_RATE_MEMFREE_FULL = 0,
+ MTHCA_RATE_MEMFREE_QUARTER = 1,
+ MTHCA_RATE_MEMFREE_EIGHTH = 2,
+ MTHCA_RATE_MEMFREE_HALF = 3
+};
+
+struct mthca_av {
+ __be32 port_pd;
+ u8 reserved1;
+ u8 g_slid;
+ __be16 dlid;
+ u8 reserved2;
+ u8 gid_index;
+ u8 msg_sr;
+ u8 hop_limit;
+ __be32 sl_tclass_flowlabel;
+ __be32 dgid[4];
+};
+
+static enum ib_rate memfree_rate_to_ib(u8 mthca_rate, u8 port_rate)
+{
+ switch (mthca_rate) {
+ case MTHCA_RATE_MEMFREE_EIGHTH:
+ return mult_to_ib_rate(port_rate >> 3);
+ case MTHCA_RATE_MEMFREE_QUARTER:
+ return mult_to_ib_rate(port_rate >> 2);
+ case MTHCA_RATE_MEMFREE_HALF:
+ return mult_to_ib_rate(port_rate >> 1);
+ case MTHCA_RATE_MEMFREE_FULL:
+ default:
+ return mult_to_ib_rate(port_rate);
+ }
+}
+
+static enum ib_rate tavor_rate_to_ib(u8 mthca_rate, u8 port_rate)
+{
+ switch (mthca_rate) {
+ case MTHCA_RATE_TAVOR_1X: return IB_RATE_2_5_GBPS;
+ case MTHCA_RATE_TAVOR_1X_DDR: return IB_RATE_5_GBPS;
+ case MTHCA_RATE_TAVOR_4X: return IB_RATE_10_GBPS;
+ default: return mult_to_ib_rate(port_rate);
+ }
+}
+
+enum ib_rate mthca_rate_to_ib(struct mthca_dev *dev, u8 mthca_rate, u8 port)
+{
+ if (mthca_is_memfree(dev)) {
+ /* Handle old Arbel FW */
+ if (dev->limits.stat_rate_support == 0x3 && mthca_rate)
+ return IB_RATE_2_5_GBPS;
+
+ return memfree_rate_to_ib(mthca_rate, dev->rate[port - 1]);
+ } else
+ return tavor_rate_to_ib(mthca_rate, dev->rate[port - 1]);
+}
+
+static u8 ib_rate_to_memfree(u8 req_rate, u8 cur_rate)
+{
+ if (cur_rate <= req_rate)
+ return 0;
+
+ /*
+ * Inter-packet delay (IPD) to get from rate X down to a rate
+ * no more than Y is (X - 1) / Y.
+ */
+ switch ((cur_rate - 1) / req_rate) {
+ case 0: return MTHCA_RATE_MEMFREE_FULL;
+ case 1: return MTHCA_RATE_MEMFREE_HALF;
+ case 2: /* fall through */
+ case 3: return MTHCA_RATE_MEMFREE_QUARTER;
+ default: return MTHCA_RATE_MEMFREE_EIGHTH;
+ }
+}
+
+static u8 ib_rate_to_tavor(u8 static_rate)
+{
+ switch (static_rate) {
+ case IB_RATE_2_5_GBPS: return MTHCA_RATE_TAVOR_1X;
+ case IB_RATE_5_GBPS: return MTHCA_RATE_TAVOR_1X_DDR;
+ case IB_RATE_10_GBPS: return MTHCA_RATE_TAVOR_4X;
+ default: return MTHCA_RATE_TAVOR_FULL;
+ }
+}
+
+u8 mthca_get_rate(struct mthca_dev *dev, int static_rate, u8 port)
+{
+ u8 rate;
+
+ if (!static_rate || ib_rate_to_mult(static_rate) >= dev->rate[port - 1])
+ return 0;
+
+ if (mthca_is_memfree(dev))
+ rate = ib_rate_to_memfree(ib_rate_to_mult(static_rate),
+ dev->rate[port - 1]);
+ else
+ rate = ib_rate_to_tavor(static_rate);
+
+ if (!(dev->limits.stat_rate_support & (1 << rate)))
+ rate = 1;
+
+ return rate;
+}
+
+int mthca_create_ah(struct mthca_dev *dev,
+ struct mthca_pd *pd,
+ struct ib_ah_attr *ah_attr,
+ struct mthca_ah *ah)
+{
+ u32 index = -1;
+ struct mthca_av *av = NULL;
+
+ ah->type = MTHCA_AH_PCI_POOL;
+
+ if (mthca_is_memfree(dev)) {
+ ah->av = kmalloc(sizeof *ah->av, GFP_ATOMIC);
+ if (!ah->av)
+ return -ENOMEM;
+
+ ah->type = MTHCA_AH_KMALLOC;
+ av = ah->av;
+ } else if (!atomic_read(&pd->sqp_count) &&
+ !(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) {
+ index = mthca_alloc(&dev->av_table.alloc);
+
+ /* fall back to allocate in host memory */
+ if (index == -1)
+ goto on_hca_fail;
+
+ av = kmalloc(sizeof *av, GFP_ATOMIC);
+ if (!av)
+ goto on_hca_fail;
+
+ ah->type = MTHCA_AH_ON_HCA;
+ ah->avdma = dev->av_table.ddr_av_base +
+ index * MTHCA_AV_SIZE;
+ }
+
+on_hca_fail:
+ if (ah->type == MTHCA_AH_PCI_POOL) {
+ ah->av = pci_pool_alloc(dev->av_table.pool,
+ GFP_ATOMIC, &ah->avdma);
+ if (!ah->av)
+ return -ENOMEM;
+
+ av = ah->av;
+ }
+
+ ah->key = pd->ntmr.ibmr.lkey;
+
+ memset(av, 0, MTHCA_AV_SIZE);
+
+ av->port_pd = cpu_to_be32(pd->pd_num | (ah_attr->port_num << 24));
+ av->g_slid = ah_attr->src_path_bits;
+ av->dlid = cpu_to_be16(ah_attr->dlid);
+ av->msg_sr = (3 << 4) | /* 2K message */
+ mthca_get_rate(dev, ah_attr->static_rate, ah_attr->port_num);
+ av->sl_tclass_flowlabel = cpu_to_be32(ah_attr->sl << 28);
+ if (ah_attr->ah_flags & IB_AH_GRH) {
+ av->g_slid |= 0x80;
+ av->gid_index = (ah_attr->port_num - 1) *
dev->limits.gid_table_len +
+ ah_attr->grh.sgid_index;
+ av->hop_limit = ah_attr->grh.hop_limit;
+ av->sl_tclass_flowlabel |=
+ cpu_to_be32((ah_attr->grh.traffic_class << 20) |
+ ah_attr->grh.flow_label);
+ memcpy(av->dgid, ah_attr->grh.dgid.raw, 16);
+ } else {
+ /* Arbel workaround -- low byte of GID must be 2 */
+ av->dgid[3] = cpu_to_be32(2);
+ }
+
+ if (0) {
+ int j;
+
+ mthca_dbg(dev, "Created UDAV at %p/%08lx:\n",
+ av, (unsigned long) ah->avdma);
+ for (j = 0; j < 8; ++j)
+ printk(KERN_DEBUG " [%2x] %08x\n",
+ j * 4, be32_to_cpu(((__be32 *) av)[j]));
+ }
+
+ if (ah->type == MTHCA_AH_ON_HCA) {
+ memcpy_toio(dev->av_table.av_map + index * MTHCA_AV_SIZE,
+ av, MTHCA_AV_SIZE);
+ kfree(av);
+ }
+
+ return 0;
+}
+
+int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah)
+{
+ switch (ah->type) {
+ case MTHCA_AH_ON_HCA:
+ mthca_free(&dev->av_table.alloc,
+ (ah->avdma - dev->av_table.ddr_av_base) /
+ MTHCA_AV_SIZE);
+ break;
+
+ case MTHCA_AH_PCI_POOL:
+ pci_pool_free(dev->av_table.pool, ah->av, ah->avdma);
+ break;
+
+ case MTHCA_AH_KMALLOC:
+ kfree(ah->av);
+ break;
+ }
+
+ return 0;
+}
+
+int mthca_ah_grh_present(struct mthca_ah *ah)
+{
+ return !!(ah->av->g_slid & 0x80);
+}
+
+int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
+ struct ib_ud_header *header)
+{
+ if (ah->type == MTHCA_AH_ON_HCA)
+ return -EINVAL;
+
+ header->lrh.service_level = be32_to_cpu(ah->av->sl_tclass_flowlabel)
>> 28;
+ header->lrh.destination_lid = ah->av->dlid;
+ header->lrh.source_lid = cpu_to_be16(ah->av->g_slid & 0x7f);
+ if (mthca_ah_grh_present(ah)) {
+ header->grh.traffic_class =
+ (be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 20) & 0xff;
+ header->grh.flow_label =
+ ah->av->sl_tclass_flowlabel & cpu_to_be32(0xfffff);
+ header->grh.hop_limit = ah->av->hop_limit;
+ ib_get_cached_gid(&dev->ib_dev,
+ be32_to_cpu(ah->av->port_pd) >> 24,
+ ah->av->gid_index % dev->limits.gid_table_len,
+ &header->grh.source_gid, NULL);
+ memcpy(header->grh.destination_gid.raw,
+ ah->av->dgid, 16);
+ }
+
+ return 0;
+}
+
+int mthca_ah_query(struct ib_ah *ibah, struct ib_ah_attr *attr)
+{
+ struct mthca_ah *ah = to_mah(ibah);
+ struct mthca_dev *dev = to_mdev(ibah->device);
+
+ /* Only implement for MAD and memfree ah for now. */
+ if (ah->type == MTHCA_AH_ON_HCA)
+ return -ENOSYS;
+
+ memset(attr, 0, sizeof *attr);
+ attr->dlid = be16_to_cpu(ah->av->dlid);
+ attr->sl = be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28;
+ attr->port_num = be32_to_cpu(ah->av->port_pd) >> 24;
+ attr->static_rate = mthca_rate_to_ib(dev, ah->av->msg_sr & 0x7,
+ attr->port_num);
+ attr->src_path_bits = ah->av->g_slid & 0x7F;
+ attr->ah_flags = mthca_ah_grh_present(ah) ? IB_AH_GRH : 0;
+
+ if (attr->ah_flags) {
+ attr->grh.traffic_class =
+ be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 20;
+ attr->grh.flow_label =
+ be32_to_cpu(ah->av->sl_tclass_flowlabel) & 0xfffff;
+ attr->grh.hop_limit = ah->av->hop_limit;
+ attr->grh.sgid_index = ah->av->gid_index &
+ (dev->limits.gid_table_len - 1);
+ memcpy(attr->grh.dgid.raw, ah->av->dgid, 16);
+ }
+
+ return 0;
+}
+
+int mthca_init_av_table(struct mthca_dev *dev)
+{
+ int err;
+
+ if (mthca_is_memfree(dev))
+ return 0;
+
+ err = mthca_alloc_init(&dev->av_table.alloc,
+ dev->av_table.num_ddr_avs,
+ dev->av_table.num_ddr_avs - 1,
+ 0);
+ if (err)
+ return err;
+
+ dev->av_table.pool = pci_pool_create("mthca_av", dev->pdev,
+ MTHCA_AV_SIZE,
+ MTHCA_AV_SIZE, 0);
+ if (!dev->av_table.pool)
+ goto out_free_alloc;
+
+ if (!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) {
+ dev->av_table.av_map = ioremap(pci_resource_start(dev->pdev, 4)
+
+ dev->av_table.ddr_av_base -
+ dev->ddr_start,
+ dev->av_table.num_ddr_avs *
+ MTHCA_AV_SIZE);
+ if (!dev->av_table.av_map)
+ goto out_free_pool;
+ } else
+ dev->av_table.av_map = NULL;
+
+ return 0;
+
+ out_free_pool:
+ pci_pool_destroy(dev->av_table.pool);
+
+ out_free_alloc:
+ mthca_alloc_cleanup(&dev->av_table.alloc);
+ return -ENOMEM;
+}
+
+void mthca_cleanup_av_table(struct mthca_dev *dev)
+{
+ if (mthca_is_memfree(dev))
+ return;
+
+ if (dev->av_table.av_map)
+ iounmap(dev->av_table.av_map);
+ pci_pool_destroy(dev->av_table.pool);
+ mthca_alloc_cleanup(&dev->av_table.alloc);
+}
Added: head/sys/dev/mthca/mthca_catas.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/mthca/mthca_catas.c Tue Feb 13 17:04:34 2018
(r329222)
@@ -0,0 +1,202 @@
+/*
+ * Copyright (c) 2005 Cisco Systems. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define LINUXKPI_PARAM_PREFIX mthca_
+
+#include <linux/jiffies.h>
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+
+#include "mthca_dev.h"
+
+#define MTHCA_CATAS_POLL_INTERVAL (5 * HZ)
+
+enum {
+ MTHCA_CATAS_TYPE_INTERNAL = 0,
+ MTHCA_CATAS_TYPE_UPLINK = 3,
+ MTHCA_CATAS_TYPE_DDR = 4,
+ MTHCA_CATAS_TYPE_PARITY = 5,
+};
+
+static DEFINE_SPINLOCK(catas_lock);
+
+static LIST_HEAD(catas_list);
+static struct workqueue_struct *catas_wq;
+static struct work_struct catas_work;
+
+static int catas_reset_disable;
+module_param_named(catas_reset_disable, catas_reset_disable, int, 0644);
+MODULE_PARM_DESC(catas_reset_disable, "disable reset on catastrophic event if
nonzero");
+
+static void catas_reset(struct work_struct *work)
+{
+ struct mthca_dev *dev, *tmpdev;
+ LIST_HEAD(tlist);
+ int ret;
+
+ mutex_lock(&mthca_device_mutex);
+
+ spin_lock_irq(&catas_lock);
+ list_splice_init(&catas_list, &tlist);
+ spin_unlock_irq(&catas_lock);
+
+ list_for_each_entry_safe(dev, tmpdev, &tlist, catas_err.list) {
+ struct pci_dev *pdev = dev->pdev;
+ ret = __mthca_restart_one(dev->pdev);
+ /* 'dev' now is not valid */
+ if (ret)
+ printk(KERN_ERR "mthca %s: Reset failed (%d)\n",
+ pci_name(pdev), ret);
+ else {
+ struct mthca_dev *d = pci_get_drvdata(pdev);
+ mthca_dbg(d, "Reset succeeded\n");
+ }
+ }
+
+ mutex_unlock(&mthca_device_mutex);
+}
+
+static void handle_catas(struct mthca_dev *dev)
+{
+ struct ib_event event;
+ unsigned long flags;
+ const char *type;
+ int i;
+
+ event.device = &dev->ib_dev;
+ event.event = IB_EVENT_DEVICE_FATAL;
+ event.element.port_num = 0;
+ dev->active = false;
+
+ ib_dispatch_event(&event);
+
+ switch (swab32(readl(dev->catas_err.map)) >> 24) {
+ case MTHCA_CATAS_TYPE_INTERNAL:
+ type = "internal error";
+ break;
+ case MTHCA_CATAS_TYPE_UPLINK:
+ type = "uplink bus error";
+ break;
+ case MTHCA_CATAS_TYPE_DDR:
+ type = "DDR data error";
+ break;
+ case MTHCA_CATAS_TYPE_PARITY:
+ type = "internal parity error";
+ break;
+ default:
+ type = "unknown error";
+ break;
+ }
+
+ mthca_err(dev, "Catastrophic error detected: %s\n", type);
+ for (i = 0; i < dev->catas_err.size; ++i)
+ mthca_err(dev, " buf[%02x]: %08x\n",
+ i, swab32(readl(dev->catas_err.map + i)));
+
+ if (catas_reset_disable)
+ return;
+
+ spin_lock_irqsave(&catas_lock, flags);
+ list_add(&dev->catas_err.list, &catas_list);
+ queue_work(catas_wq, &catas_work);
+ spin_unlock_irqrestore(&catas_lock, flags);
+}
+
+static void poll_catas(unsigned long dev_ptr)
+{
+ struct mthca_dev *dev = (struct mthca_dev *) dev_ptr;
+ int i;
+
+ for (i = 0; i < dev->catas_err.size; ++i)
+ if (readl(dev->catas_err.map + i)) {
+ handle_catas(dev);
+ return;
+ }
+
+ mod_timer(&dev->catas_err.timer,
+ round_jiffies(jiffies + MTHCA_CATAS_POLL_INTERVAL));
+}
+
+void mthca_start_catas_poll(struct mthca_dev *dev)
+{
+ phys_addr_t addr;
+
+ init_timer(&dev->catas_err.timer);
+ dev->catas_err.map = NULL;
+
+ addr = pci_resource_start(dev->pdev, 0) +
+ ((pci_resource_len(dev->pdev, 0) - 1) &
+ dev->catas_err.addr);
+
+ dev->catas_err.map = ioremap(addr, dev->catas_err.size * 4);
+ if (!dev->catas_err.map) {
+ mthca_warn(dev, "couldn't map catastrophic error region "
+ "at 0x%llx/0x%x\n", (unsigned long long) addr,
+ dev->catas_err.size * 4);
+ return;
+ }
+
+ dev->catas_err.timer.data = (unsigned long) dev;
+ dev->catas_err.timer.function = poll_catas;
+ dev->catas_err.timer.expires = jiffies + MTHCA_CATAS_POLL_INTERVAL;
+ INIT_LIST_HEAD(&dev->catas_err.list);
+ add_timer(&dev->catas_err.timer);
+}
+
+void mthca_stop_catas_poll(struct mthca_dev *dev)
+{
+ del_timer_sync(&dev->catas_err.timer);
+
+ if (dev->catas_err.map)
+ iounmap(dev->catas_err.map);
+
+ spin_lock_irq(&catas_lock);
+ list_del(&dev->catas_err.list);
+ spin_unlock_irq(&catas_lock);
+}
+
+int __init mthca_catas_init(void)
+{
+ INIT_WORK(&catas_work, catas_reset);
+
+ catas_wq = alloc_ordered_workqueue("mthca_catas", WQ_MEM_RECLAIM);
+ if (!catas_wq)
+ return -ENOMEM;
+
+ return 0;
+}
+
+void mthca_catas_cleanup(void)
+{
+ destroy_workqueue(catas_wq);
+}
Added: head/sys/dev/mthca/mthca_cmd.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/mthca/mthca_cmd.c Tue Feb 13 17:04:34 2018
(r329222)
@@ -0,0 +1,1968 @@
+/*
+ * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define LINUXKPI_PARAM_PREFIX mthca_
+
+#include <linux/completion.h>
+#include <linux/pci.h>
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/page.h>
+#include <asm/io.h>
+#include <rdma/ib_mad.h>
+
+#include "mthca_dev.h"
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
