Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: RDMA: Add __init/__exit macros to addr.c and cma.c IB/ehca: Bump version number mlx4_core: Fix dma_sync_single_for_cpu() with matching for_device() calls IB/mthca: Replace dma_sync_single() use with proper functions RDMA/nes: Fix FIN state handling under error conditions RDMA/nes: Fix max_qp_init_rd_atom returned from query device IB/ehca: Ensure that guid_entry index is not negative IB/ehca: Tolerate dynamic memory operations before driver load
This commit is contained in:
Linus Torvalds
Коммит
32708e8e95
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@ -514,7 +514,7 @@ static struct notifier_block nb = {
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.notifier_call = netevent_callback
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};
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static int addr_init(void)
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static int __init addr_init(void)
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{
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addr_wq = create_singlethread_workqueue("ib_addr");
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if (!addr_wq)
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@ -524,7 +524,7 @@ static int addr_init(void)
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return 0;
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}
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static void addr_cleanup(void)
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static void __exit addr_cleanup(void)
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{
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unregister_netevent_notifier(&nb);
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destroy_workqueue(addr_wq);
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@ -2960,7 +2960,7 @@ static void cma_remove_one(struct ib_device *device)
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kfree(cma_dev);
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}
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static int cma_init(void)
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static int __init cma_init(void)
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{
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int ret, low, high, remaining;
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@ -2990,7 +2990,7 @@ err:
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return ret;
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}
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static void cma_cleanup(void)
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static void __exit cma_cleanup(void)
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{
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ib_unregister_client(&cma_client);
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unregister_netdevice_notifier(&cma_nb);
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@ -319,7 +319,7 @@ int ehca_query_gid(struct ib_device *ibdev, u8 port,
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ib_device);
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struct hipz_query_port *rblock;
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if (index > 255) {
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if (index < 0 || index > 255) {
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ehca_err(&shca->ib_device, "Invalid index: %x.", index);
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return -EINVAL;
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}
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@ -52,7 +52,7 @@
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#include "ehca_tools.h"
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#include "hcp_if.h"
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#define HCAD_VERSION "0027"
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#define HCAD_VERSION "0028"
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MODULE_LICENSE("Dual BSD/GPL");
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MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
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@ -506,6 +506,7 @@ static int ehca_init_device(struct ehca_shca *shca)
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shca->ib_device.detach_mcast = ehca_detach_mcast;
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shca->ib_device.process_mad = ehca_process_mad;
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shca->ib_device.mmap = ehca_mmap;
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shca->ib_device.dma_ops = &ehca_dma_mapping_ops;
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if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
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shca->ib_device.uverbs_cmd_mask |=
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@ -1028,17 +1029,23 @@ static int __init ehca_module_init(void)
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goto module_init1;
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}
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ret = ehca_create_busmap();
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if (ret) {
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ehca_gen_err("Cannot create busmap.");
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goto module_init2;
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}
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ret = ibmebus_register_driver(&ehca_driver);
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if (ret) {
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ehca_gen_err("Cannot register eHCA device driver");
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ret = -EINVAL;
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goto module_init2;
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goto module_init3;
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}
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ret = register_memory_notifier(&ehca_mem_nb);
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if (ret) {
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ehca_gen_err("Failed registering memory add/remove notifier");
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goto module_init3;
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goto module_init4;
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}
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if (ehca_poll_all_eqs != 1) {
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@ -1053,9 +1060,12 @@ static int __init ehca_module_init(void)
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return 0;
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module_init3:
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module_init4:
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ibmebus_unregister_driver(&ehca_driver);
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module_init3:
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ehca_destroy_busmap();
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module_init2:
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ehca_destroy_slab_caches();
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@ -1073,6 +1083,8 @@ static void __exit ehca_module_exit(void)
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unregister_memory_notifier(&ehca_mem_nb);
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ehca_destroy_busmap();
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ehca_destroy_slab_caches();
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ehca_destroy_comp_pool();
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@ -53,6 +53,38 @@
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/* max number of rpages (per hcall register_rpages) */
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#define MAX_RPAGES 512
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/* DMEM toleration management */
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#define EHCA_SECTSHIFT SECTION_SIZE_BITS
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#define EHCA_SECTSIZE (1UL << EHCA_SECTSHIFT)
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#define EHCA_HUGEPAGESHIFT 34
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#define EHCA_HUGEPAGE_SIZE (1UL << EHCA_HUGEPAGESHIFT)
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#define EHCA_HUGEPAGE_PFN_MASK ((EHCA_HUGEPAGE_SIZE - 1) >> PAGE_SHIFT)
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#define EHCA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL
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#define EHCA_DIR_INDEX_SHIFT 13 /* 8k Entries in 64k block */
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#define EHCA_TOP_INDEX_SHIFT (EHCA_DIR_INDEX_SHIFT * 2)
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#define EHCA_MAP_ENTRIES (1 << EHCA_DIR_INDEX_SHIFT)
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#define EHCA_TOP_MAP_SIZE (0x10000) /* currently fixed map size */
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#define EHCA_DIR_MAP_SIZE (0x10000)
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#define EHCA_ENT_MAP_SIZE (0x10000)
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#define EHCA_INDEX_MASK (EHCA_MAP_ENTRIES - 1)
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static unsigned long ehca_mr_len;
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/*
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* Memory map data structures
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*/
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struct ehca_dir_bmap {
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u64 ent[EHCA_MAP_ENTRIES];
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};
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struct ehca_top_bmap {
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struct ehca_dir_bmap *dir[EHCA_MAP_ENTRIES];
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};
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struct ehca_bmap {
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struct ehca_top_bmap *top[EHCA_MAP_ENTRIES];
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};
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static struct ehca_bmap *ehca_bmap;
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static struct kmem_cache *mr_cache;
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static struct kmem_cache *mw_cache;
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@ -68,6 +100,8 @@ enum ehca_mr_pgsize {
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#define EHCA_MR_PGSHIFT1M 20
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#define EHCA_MR_PGSHIFT16M 24
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static u64 ehca_map_vaddr(void *caddr);
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static u32 ehca_encode_hwpage_size(u32 pgsize)
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{
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int log = ilog2(pgsize);
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@ -135,7 +169,8 @@ struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags)
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goto get_dma_mr_exit0;
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}
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ret = ehca_reg_maxmr(shca, e_maxmr, (u64 *)KERNELBASE,
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ret = ehca_reg_maxmr(shca, e_maxmr,
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(void *)ehca_map_vaddr((void *)KERNELBASE),
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mr_access_flags, e_pd,
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&e_maxmr->ib.ib_mr.lkey,
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&e_maxmr->ib.ib_mr.rkey);
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@ -251,7 +286,7 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
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ret = ehca_reg_mr(shca, e_mr, iova_start, size, mr_access_flags,
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e_pd, &pginfo, &e_mr->ib.ib_mr.lkey,
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&e_mr->ib.ib_mr.rkey);
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&e_mr->ib.ib_mr.rkey, EHCA_REG_MR);
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if (ret) {
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ib_mr = ERR_PTR(ret);
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goto reg_phys_mr_exit1;
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@ -370,7 +405,7 @@ reg_user_mr_fallback:
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ret = ehca_reg_mr(shca, e_mr, (u64 *)virt, length, mr_access_flags,
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e_pd, &pginfo, &e_mr->ib.ib_mr.lkey,
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&e_mr->ib.ib_mr.rkey);
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&e_mr->ib.ib_mr.rkey, EHCA_REG_MR);
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if (ret == -EINVAL && pginfo.hwpage_size > PAGE_SIZE) {
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ehca_warn(pd->device, "failed to register mr "
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"with hwpage_size=%llx", hwpage_size);
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@ -794,7 +829,7 @@ struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
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ret = ehca_reg_mr(shca, e_fmr, NULL,
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fmr_attr->max_pages * (1 << fmr_attr->page_shift),
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mr_access_flags, e_pd, &pginfo,
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&tmp_lkey, &tmp_rkey);
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&tmp_lkey, &tmp_rkey, EHCA_REG_MR);
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if (ret) {
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ib_fmr = ERR_PTR(ret);
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goto alloc_fmr_exit1;
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@ -983,6 +1018,10 @@ free_fmr_exit0:
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/*----------------------------------------------------------------------*/
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static int ehca_reg_bmap_mr_rpages(struct ehca_shca *shca,
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struct ehca_mr *e_mr,
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struct ehca_mr_pginfo *pginfo);
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int ehca_reg_mr(struct ehca_shca *shca,
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struct ehca_mr *e_mr,
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u64 *iova_start,
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@ -991,7 +1030,8 @@ int ehca_reg_mr(struct ehca_shca *shca,
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struct ehca_pd *e_pd,
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struct ehca_mr_pginfo *pginfo,
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u32 *lkey, /*OUT*/
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u32 *rkey) /*OUT*/
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u32 *rkey, /*OUT*/
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enum ehca_reg_type reg_type)
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{
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int ret;
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u64 h_ret;
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@ -1015,7 +1055,13 @@ int ehca_reg_mr(struct ehca_shca *shca,
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e_mr->ipz_mr_handle = hipzout.handle;
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if (reg_type == EHCA_REG_BUSMAP_MR)
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ret = ehca_reg_bmap_mr_rpages(shca, e_mr, pginfo);
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else if (reg_type == EHCA_REG_MR)
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ret = ehca_reg_mr_rpages(shca, e_mr, pginfo);
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else
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ret = -EINVAL;
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if (ret)
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goto ehca_reg_mr_exit1;
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@ -1316,7 +1362,7 @@ int ehca_rereg_mr(struct ehca_shca *shca,
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e_mr->fmr_map_cnt = save_mr.fmr_map_cnt;
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ret = ehca_reg_mr(shca, e_mr, iova_start, size, acl,
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e_pd, pginfo, lkey, rkey);
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e_pd, pginfo, lkey, rkey, EHCA_REG_MR);
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if (ret) {
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u32 offset = (u64)(&e_mr->flags) - (u64)e_mr;
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memcpy(&e_mr->flags, &(save_mr.flags),
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@ -1409,7 +1455,7 @@ int ehca_unmap_one_fmr(struct ehca_shca *shca,
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ret = ehca_reg_mr(shca, e_fmr, NULL,
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(e_fmr->fmr_max_pages * e_fmr->fmr_page_size),
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e_fmr->acl, e_pd, &pginfo, &tmp_lkey,
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&tmp_rkey);
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&tmp_rkey, EHCA_REG_MR);
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if (ret) {
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u32 offset = (u64)(&e_fmr->flags) - (u64)e_fmr;
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memcpy(&e_fmr->flags, &(save_mr.flags),
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|
@ -1478,6 +1524,90 @@ ehca_reg_smr_exit0:
|
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} /* end ehca_reg_smr() */
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|
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/*----------------------------------------------------------------------*/
|
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static inline void *ehca_calc_sectbase(int top, int dir, int idx)
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{
|
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unsigned long ret = idx;
|
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ret |= dir << EHCA_DIR_INDEX_SHIFT;
|
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ret |= top << EHCA_TOP_INDEX_SHIFT;
|
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return abs_to_virt(ret << SECTION_SIZE_BITS);
|
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}
|
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|
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#define ehca_bmap_valid(entry) \
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((u64)entry != (u64)EHCA_INVAL_ADDR)
|
||||
|
||||
static u64 ehca_reg_mr_section(int top, int dir, int idx, u64 *kpage,
|
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struct ehca_shca *shca, struct ehca_mr *mr,
|
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struct ehca_mr_pginfo *pginfo)
|
||||
{
|
||||
u64 h_ret = 0;
|
||||
unsigned long page = 0;
|
||||
u64 rpage = virt_to_abs(kpage);
|
||||
int page_count;
|
||||
|
||||
void *sectbase = ehca_calc_sectbase(top, dir, idx);
|
||||
if ((unsigned long)sectbase & (pginfo->hwpage_size - 1)) {
|
||||
ehca_err(&shca->ib_device, "reg_mr_section will probably fail:"
|
||||
"hwpage_size does not fit to "
|
||||
"section start address");
|
||||
}
|
||||
page_count = EHCA_SECTSIZE / pginfo->hwpage_size;
|
||||
|
||||
while (page < page_count) {
|
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u64 rnum;
|
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for (rnum = 0; (rnum < MAX_RPAGES) && (page < page_count);
|
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rnum++) {
|
||||
void *pg = sectbase + ((page++) * pginfo->hwpage_size);
|
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kpage[rnum] = virt_to_abs(pg);
|
||||
}
|
||||
|
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h_ret = hipz_h_register_rpage_mr(shca->ipz_hca_handle, mr,
|
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ehca_encode_hwpage_size(pginfo->hwpage_size),
|
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0, rpage, rnum);
|
||||
|
||||
if ((h_ret != H_SUCCESS) && (h_ret != H_PAGE_REGISTERED)) {
|
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ehca_err(&shca->ib_device, "register_rpage_mr failed");
|
||||
return h_ret;
|
||||
}
|
||||
}
|
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return h_ret;
|
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}
|
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|
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static u64 ehca_reg_mr_sections(int top, int dir, u64 *kpage,
|
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struct ehca_shca *shca, struct ehca_mr *mr,
|
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struct ehca_mr_pginfo *pginfo)
|
||||
{
|
||||
u64 hret = H_SUCCESS;
|
||||
int idx;
|
||||
|
||||
for (idx = 0; idx < EHCA_MAP_ENTRIES; idx++) {
|
||||
if (!ehca_bmap_valid(ehca_bmap->top[top]->dir[dir]->ent[idx]))
|
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continue;
|
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|
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hret = ehca_reg_mr_section(top, dir, idx, kpage, shca, mr,
|
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pginfo);
|
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if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
|
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return hret;
|
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}
|
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return hret;
|
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}
|
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|
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static u64 ehca_reg_mr_dir_sections(int top, u64 *kpage, struct ehca_shca *shca,
|
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struct ehca_mr *mr,
|
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struct ehca_mr_pginfo *pginfo)
|
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{
|
||||
u64 hret = H_SUCCESS;
|
||||
int dir;
|
||||
|
||||
for (dir = 0; dir < EHCA_MAP_ENTRIES; dir++) {
|
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if (!ehca_bmap_valid(ehca_bmap->top[top]->dir[dir]))
|
||||
continue;
|
||||
|
||||
hret = ehca_reg_mr_sections(top, dir, kpage, shca, mr, pginfo);
|
||||
if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED))
|
||||
return hret;
|
||||
}
|
||||
return hret;
|
||||
}
|
||||
|
||||
/* register internal max-MR to internal SHCA */
|
||||
int ehca_reg_internal_maxmr(
|
||||
|
|
@ -1495,6 +1625,11 @@ int ehca_reg_internal_maxmr(
|
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u32 num_hwpages;
|
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u64 hw_pgsize;
|
||||
|
||||
if (!ehca_bmap) {
|
||||
ret = -EFAULT;
|
||||
goto ehca_reg_internal_maxmr_exit0;
|
||||
}
|
||||
|
||||
e_mr = ehca_mr_new();
|
||||
if (!e_mr) {
|
||||
ehca_err(&shca->ib_device, "out of memory");
|
||||
|
|
@ -1504,8 +1639,8 @@ int ehca_reg_internal_maxmr(
|
|||
e_mr->flags |= EHCA_MR_FLAG_MAXMR;
|
||||
|
||||
/* register internal max-MR on HCA */
|
||||
size_maxmr = (u64)high_memory - PAGE_OFFSET;
|
||||
iova_start = (u64 *)KERNELBASE;
|
||||
size_maxmr = ehca_mr_len;
|
||||
iova_start = (u64 *)ehca_map_vaddr((void *)KERNELBASE);
|
||||
ib_pbuf.addr = 0;
|
||||
ib_pbuf.size = size_maxmr;
|
||||
num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size_maxmr,
|
||||
|
|
@ -1524,7 +1659,7 @@ int ehca_reg_internal_maxmr(
|
|||
|
||||
ret = ehca_reg_mr(shca, e_mr, iova_start, size_maxmr, 0, e_pd,
|
||||
&pginfo, &e_mr->ib.ib_mr.lkey,
|
||||
&e_mr->ib.ib_mr.rkey);
|
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&e_mr->ib.ib_mr.rkey, EHCA_REG_BUSMAP_MR);
|
||||
if (ret) {
|
||||
ehca_err(&shca->ib_device, "reg of internal max MR failed, "
|
||||
"e_mr=%p iova_start=%p size_maxmr=%llx num_kpages=%x "
|
||||
|
|
@ -2077,8 +2212,8 @@ int ehca_mr_is_maxmr(u64 size,
|
|||
u64 *iova_start)
|
||||
{
|
||||
/* a MR is treated as max-MR only if it fits following: */
|
||||
if ((size == ((u64)high_memory - PAGE_OFFSET)) &&
|
||||
(iova_start == (void *)KERNELBASE)) {
|
||||
if ((size == ehca_mr_len) &&
|
||||
(iova_start == (void *)ehca_map_vaddr((void *)KERNELBASE))) {
|
||||
ehca_gen_dbg("this is a max-MR");
|
||||
return 1;
|
||||
} else
|
||||
|
|
@ -2184,3 +2319,350 @@ void ehca_cleanup_mrmw_cache(void)
|
|||
if (mw_cache)
|
||||
kmem_cache_destroy(mw_cache);
|
||||
}
|
||||
|
||||
static inline int ehca_init_top_bmap(struct ehca_top_bmap *ehca_top_bmap,
|
||||
int dir)
|
||||
{
|
||||
if (!ehca_bmap_valid(ehca_top_bmap->dir[dir])) {
|
||||
ehca_top_bmap->dir[dir] =
|
||||
kmalloc(sizeof(struct ehca_dir_bmap), GFP_KERNEL);
|
||||
if (!ehca_top_bmap->dir[dir])
|
||||
return -ENOMEM;
|
||||
/* Set map block to 0xFF according to EHCA_INVAL_ADDR */
|
||||
memset(ehca_top_bmap->dir[dir], 0xFF, EHCA_ENT_MAP_SIZE);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int ehca_init_bmap(struct ehca_bmap *ehca_bmap, int top, int dir)
|
||||
{
|
||||
if (!ehca_bmap_valid(ehca_bmap->top[top])) {
|
||||
ehca_bmap->top[top] =
|
||||
kmalloc(sizeof(struct ehca_top_bmap), GFP_KERNEL);
|
||||
if (!ehca_bmap->top[top])
|
||||
return -ENOMEM;
|
||||
/* Set map block to 0xFF according to EHCA_INVAL_ADDR */
|
||||
memset(ehca_bmap->top[top], 0xFF, EHCA_DIR_MAP_SIZE);
|
||||
}
|
||||
return ehca_init_top_bmap(ehca_bmap->top[top], dir);
|
||||
}
|
||||
|
||||
static inline int ehca_calc_index(unsigned long i, unsigned long s)
|
||||
{
|
||||
return (i >> s) & EHCA_INDEX_MASK;
|
||||
}
|
||||
|
||||
void ehca_destroy_busmap(void)
|
||||
{
|
||||
int top, dir;
|
||||
|
||||
if (!ehca_bmap)
|
||||
return;
|
||||
|
||||
for (top = 0; top < EHCA_MAP_ENTRIES; top++) {
|
||||
if (!ehca_bmap_valid(ehca_bmap->top[top]))
|
||||
continue;
|
||||
for (dir = 0; dir < EHCA_MAP_ENTRIES; dir++) {
|
||||
if (!ehca_bmap_valid(ehca_bmap->top[top]->dir[dir]))
|
||||
continue;
|
||||
|
||||
kfree(ehca_bmap->top[top]->dir[dir]);
|
||||
}
|
||||
|
||||
kfree(ehca_bmap->top[top]);
|
||||
}
|
||||
|
||||
kfree(ehca_bmap);
|
||||
ehca_bmap = NULL;
|
||||
}
|
||||
|
||||
static int ehca_update_busmap(unsigned long pfn, unsigned long nr_pages)
|
||||
{
|
||||
unsigned long i, start_section, end_section;
|
||||
int top, dir, idx;
|
||||
|
||||
if (!nr_pages)
|
||||
return 0;
|
||||
|
||||
if (!ehca_bmap) {
|
||||
ehca_bmap = kmalloc(sizeof(struct ehca_bmap), GFP_KERNEL);
|
||||
if (!ehca_bmap)
|
||||
return -ENOMEM;
|
||||
/* Set map block to 0xFF according to EHCA_INVAL_ADDR */
|
||||
memset(ehca_bmap, 0xFF, EHCA_TOP_MAP_SIZE);
|
||||
}
|
||||
|
||||
start_section = phys_to_abs(pfn * PAGE_SIZE) / EHCA_SECTSIZE;
|
||||
end_section = phys_to_abs((pfn + nr_pages) * PAGE_SIZE) / EHCA_SECTSIZE;
|
||||
for (i = start_section; i < end_section; i++) {
|
||||
int ret;
|
||||
top = ehca_calc_index(i, EHCA_TOP_INDEX_SHIFT);
|
||||
dir = ehca_calc_index(i, EHCA_DIR_INDEX_SHIFT);
|
||||
idx = i & EHCA_INDEX_MASK;
|
||||
|
||||
ret = ehca_init_bmap(ehca_bmap, top, dir);
|
||||
if (ret) {
|
||||
ehca_destroy_busmap();
|
||||
return ret;
|
||||
}
|
||||
ehca_bmap->top[top]->dir[dir]->ent[idx] = ehca_mr_len;
|
||||
ehca_mr_len += EHCA_SECTSIZE;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ehca_is_hugepage(unsigned long pfn)
|
||||
{
|
||||
int page_order;
|
||||
|
||||
if (pfn & EHCA_HUGEPAGE_PFN_MASK)
|
||||
return 0;
|
||||
|
||||
page_order = compound_order(pfn_to_page(pfn));
|
||||
if (page_order + PAGE_SHIFT != EHCA_HUGEPAGESHIFT)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int ehca_create_busmap_callback(unsigned long initial_pfn,
|
||||
unsigned long total_nr_pages, void *arg)
|
||||
{
|
||||
int ret;
|
||||
unsigned long pfn, start_pfn, end_pfn, nr_pages;
|
||||
|
||||
if ((total_nr_pages * PAGE_SIZE) < EHCA_HUGEPAGE_SIZE)
|
||||
return ehca_update_busmap(initial_pfn, total_nr_pages);
|
||||
|
||||
/* Given chunk is >= 16GB -> check for hugepages */
|
||||
start_pfn = initial_pfn;
|
||||
end_pfn = initial_pfn + total_nr_pages;
|
||||
pfn = start_pfn;
|
||||
|
||||
while (pfn < end_pfn) {
|
||||
if (ehca_is_hugepage(pfn)) {
|
||||
/* Add mem found in front of the hugepage */
|
||||
nr_pages = pfn - start_pfn;
|
||||
ret = ehca_update_busmap(start_pfn, nr_pages);
|
||||
if (ret)
|
||||
return ret;
|
||||
/* Skip the hugepage */
|
||||
pfn += (EHCA_HUGEPAGE_SIZE / PAGE_SIZE);
|
||||
start_pfn = pfn;
|
||||
} else
|
||||
pfn += (EHCA_SECTSIZE / PAGE_SIZE);
|
||||
}
|
||||
|
||||
/* Add mem found behind the hugepage(s) */
|
||||
nr_pages = pfn - start_pfn;
|
||||
return ehca_update_busmap(start_pfn, nr_pages);
|
||||
}
|
||||
|
||||
int ehca_create_busmap(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ehca_mr_len = 0;
|
||||
ret = walk_memory_resource(0, 1ULL << MAX_PHYSMEM_BITS, NULL,
|
||||
ehca_create_busmap_callback);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ehca_reg_bmap_mr_rpages(struct ehca_shca *shca,
|
||||
struct ehca_mr *e_mr,
|
||||
struct ehca_mr_pginfo *pginfo)
|
||||
{
|
||||
int top;
|
||||
u64 hret, *kpage;
|
||||
|
||||
kpage = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
|
||||
if (!kpage) {
|
||||
ehca_err(&shca->ib_device, "kpage alloc failed");
|
||||
return -ENOMEM;
|
||||
}
|
||||
for (top = 0; top < EHCA_MAP_ENTRIES; top++) {
|
||||
if (!ehca_bmap_valid(ehca_bmap->top[top]))
|
||||
continue;
|
||||
hret = ehca_reg_mr_dir_sections(top, kpage, shca, e_mr, pginfo);
|
||||
if ((hret != H_PAGE_REGISTERED) && (hret != H_SUCCESS))
|
||||
break;
|
||||
}
|
||||
|
||||
ehca_free_fw_ctrlblock(kpage);
|
||||
|
||||
if (hret == H_SUCCESS)
|
||||
return 0; /* Everything is fine */
|
||||
else {
|
||||
ehca_err(&shca->ib_device, "ehca_reg_bmap_mr_rpages failed, "
|
||||
"h_ret=%lli e_mr=%p top=%x lkey=%x "
|
||||
"hca_hndl=%llx mr_hndl=%llx", hret, e_mr, top,
|
||||
e_mr->ib.ib_mr.lkey,
|
||||
shca->ipz_hca_handle.handle,
|
||||
e_mr->ipz_mr_handle.handle);
|
||||
return ehca2ib_return_code(hret);
|
||||
}
|
||||
}
|
||||
|
||||
static u64 ehca_map_vaddr(void *caddr)
|
||||
{
|
||||
int top, dir, idx;
|
||||
unsigned long abs_addr, offset;
|
||||
u64 entry;
|
||||
|
||||
if (!ehca_bmap)
|
||||
return EHCA_INVAL_ADDR;
|
||||
|
||||
abs_addr = virt_to_abs(caddr);
|
||||
top = ehca_calc_index(abs_addr, EHCA_TOP_INDEX_SHIFT + EHCA_SECTSHIFT);
|
||||
if (!ehca_bmap_valid(ehca_bmap->top[top]))
|
||||
return EHCA_INVAL_ADDR;
|
||||
|
||||
dir = ehca_calc_index(abs_addr, EHCA_DIR_INDEX_SHIFT + EHCA_SECTSHIFT);
|
||||
if (!ehca_bmap_valid(ehca_bmap->top[top]->dir[dir]))
|
||||
return EHCA_INVAL_ADDR;
|
||||
|
||||
idx = ehca_calc_index(abs_addr, EHCA_SECTSHIFT);
|
||||
|
||||
entry = ehca_bmap->top[top]->dir[dir]->ent[idx];
|
||||
if (ehca_bmap_valid(entry)) {
|
||||
offset = (unsigned long)caddr & (EHCA_SECTSIZE - 1);
|
||||
return entry | offset;
|
||||
} else
|
||||
return EHCA_INVAL_ADDR;
|
||||
}
|
||||
|
||||
static int ehca_dma_mapping_error(struct ib_device *dev, u64 dma_addr)
|
||||
{
|
||||
return dma_addr == EHCA_INVAL_ADDR;
|
||||
}
|
||||
|
||||
static u64 ehca_dma_map_single(struct ib_device *dev, void *cpu_addr,
|
||||
size_t size, enum dma_data_direction direction)
|
||||
{
|
||||
if (cpu_addr)
|
||||
return ehca_map_vaddr(cpu_addr);
|
||||
else
|
||||
return EHCA_INVAL_ADDR;
|
||||
}
|
||||
|
||||
static void ehca_dma_unmap_single(struct ib_device *dev, u64 addr, size_t size,
|
||||
enum dma_data_direction direction)
|
||||
{
|
||||
/* This is only a stub; nothing to be done here */
|
||||
}
|
||||
|
||||
static u64 ehca_dma_map_page(struct ib_device *dev, struct page *page,
|
||||
unsigned long offset, size_t size,
|
||||
enum dma_data_direction direction)
|
||||
{
|
||||
u64 addr;
|
||||
|
||||
if (offset + size > PAGE_SIZE)
|
||||
return EHCA_INVAL_ADDR;
|
||||
|
||||
addr = ehca_map_vaddr(page_address(page));
|
||||
if (!ehca_dma_mapping_error(dev, addr))
|
||||
addr += offset;
|
||||
|
||||
return addr;
|
||||
}
|
||||
|
||||
static void ehca_dma_unmap_page(struct ib_device *dev, u64 addr, size_t size,
|
||||
enum dma_data_direction direction)
|
||||
{
|
||||
/* This is only a stub; nothing to be done here */
|
||||
}
|
||||
|
||||
static int ehca_dma_map_sg(struct ib_device *dev, struct scatterlist *sgl,
|
||||
int nents, enum dma_data_direction direction)
|
||||
{
|
||||
struct scatterlist *sg;
|
||||
int i;
|
||||
|
||||
for_each_sg(sgl, sg, nents, i) {
|
||||
u64 addr;
|
||||
addr = ehca_map_vaddr(sg_virt(sg));
|
||||
if (ehca_dma_mapping_error(dev, addr))
|
||||
return 0;
|
||||
|
||||
sg->dma_address = addr;
|
||||
sg->dma_length = sg->length;
|
||||
}
|
||||
return nents;
|
||||
}
|
||||
|
||||
static void ehca_dma_unmap_sg(struct ib_device *dev, struct scatterlist *sg,
|
||||
int nents, enum dma_data_direction direction)
|
||||
{
|
||||
/* This is only a stub; nothing to be done here */
|
||||
}
|
||||
|
||||
static u64 ehca_dma_address(struct ib_device *dev, struct scatterlist *sg)
|
||||
{
|
||||
return sg->dma_address;
|
||||
}
|
||||
|
||||
static unsigned int ehca_dma_len(struct ib_device *dev, struct scatterlist *sg)
|
||||
{
|
||||
return sg->length;
|
||||
}
|
||||
|
||||
static void ehca_dma_sync_single_for_cpu(struct ib_device *dev, u64 addr,
|
||||
size_t size,
|
||||
enum dma_data_direction dir)
|
||||
{
|
||||
dma_sync_single_for_cpu(dev->dma_device, addr, size, dir);
|
||||
}
|
||||
|
||||
static void ehca_dma_sync_single_for_device(struct ib_device *dev, u64 addr,
|
||||
size_t size,
|
||||
enum dma_data_direction dir)
|
||||
{
|
||||
dma_sync_single_for_device(dev->dma_device, addr, size, dir);
|
||||
}
|
||||
|
||||
static void *ehca_dma_alloc_coherent(struct ib_device *dev, size_t size,
|
||||
u64 *dma_handle, gfp_t flag)
|
||||
{
|
||||
struct page *p;
|
||||
void *addr = NULL;
|
||||
u64 dma_addr;
|
||||
|
||||
p = alloc_pages(flag, get_order(size));
|
||||
if (p) {
|
||||
addr = page_address(p);
|
||||
dma_addr = ehca_map_vaddr(addr);
|
||||
if (ehca_dma_mapping_error(dev, dma_addr)) {
|
||||
free_pages((unsigned long)addr, get_order(size));
|
||||
return NULL;
|
||||
}
|
||||
if (dma_handle)
|
||||
*dma_handle = dma_addr;
|
||||
return addr;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void ehca_dma_free_coherent(struct ib_device *dev, size_t size,
|
||||
void *cpu_addr, u64 dma_handle)
|
||||
{
|
||||
if (cpu_addr && size)
|
||||
free_pages((unsigned long)cpu_addr, get_order(size));
|
||||
}
|
||||
|
||||
|
||||
struct ib_dma_mapping_ops ehca_dma_mapping_ops = {
|
||||
.mapping_error = ehca_dma_mapping_error,
|
||||
.map_single = ehca_dma_map_single,
|
||||
.unmap_single = ehca_dma_unmap_single,
|
||||
.map_page = ehca_dma_map_page,
|
||||
.unmap_page = ehca_dma_unmap_page,
|
||||
.map_sg = ehca_dma_map_sg,
|
||||
.unmap_sg = ehca_dma_unmap_sg,
|
||||
.dma_address = ehca_dma_address,
|
||||
.dma_len = ehca_dma_len,
|
||||
.sync_single_for_cpu = ehca_dma_sync_single_for_cpu,
|
||||
.sync_single_for_device = ehca_dma_sync_single_for_device,
|
||||
.alloc_coherent = ehca_dma_alloc_coherent,
|
||||
.free_coherent = ehca_dma_free_coherent,
|
||||
};
|
||||
|
|
|
|||
|
|
@ -42,6 +42,11 @@
|
|||
#ifndef _EHCA_MRMW_H_
|
||||
#define _EHCA_MRMW_H_
|
||||
|
||||
enum ehca_reg_type {
|
||||
EHCA_REG_MR,
|
||||
EHCA_REG_BUSMAP_MR
|
||||
};
|
||||
|
||||
int ehca_reg_mr(struct ehca_shca *shca,
|
||||
struct ehca_mr *e_mr,
|
||||
u64 *iova_start,
|
||||
|
|
@ -50,7 +55,8 @@ int ehca_reg_mr(struct ehca_shca *shca,
|
|||
struct ehca_pd *e_pd,
|
||||
struct ehca_mr_pginfo *pginfo,
|
||||
u32 *lkey,
|
||||
u32 *rkey);
|
||||
u32 *rkey,
|
||||
enum ehca_reg_type reg_type);
|
||||
|
||||
int ehca_reg_mr_rpages(struct ehca_shca *shca,
|
||||
struct ehca_mr *e_mr,
|
||||
|
|
@ -118,4 +124,9 @@ void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl,
|
|||
|
||||
void ehca_mr_deletenew(struct ehca_mr *mr);
|
||||
|
||||
int ehca_create_busmap(void);
|
||||
|
||||
void ehca_destroy_busmap(void);
|
||||
|
||||
extern struct ib_dma_mapping_ops ehca_dma_mapping_ops;
|
||||
#endif /*_EHCA_MRMW_H_*/
|
||||
|
|
|
|||
|
|
@ -352,10 +352,14 @@ static void mthca_arbel_write_mtt_seg(struct mthca_dev *dev,
|
|||
|
||||
BUG_ON(!mtts);
|
||||
|
||||
dma_sync_single_for_cpu(&dev->pdev->dev, dma_handle,
|
||||
list_len * sizeof (u64), DMA_TO_DEVICE);
|
||||
|
||||
for (i = 0; i < list_len; ++i)
|
||||
mtts[i] = cpu_to_be64(buffer_list[i] | MTHCA_MTT_FLAG_PRESENT);
|
||||
|
||||
dma_sync_single(&dev->pdev->dev, dma_handle, list_len * sizeof (u64), DMA_TO_DEVICE);
|
||||
dma_sync_single_for_device(&dev->pdev->dev, dma_handle,
|
||||
list_len * sizeof (u64), DMA_TO_DEVICE);
|
||||
}
|
||||
|
||||
int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
|
||||
|
|
@ -803,11 +807,14 @@ int mthca_arbel_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
|
|||
|
||||
wmb();
|
||||
|
||||
dma_sync_single_for_cpu(&dev->pdev->dev, fmr->mem.arbel.dma_handle,
|
||||
list_len * sizeof(u64), DMA_TO_DEVICE);
|
||||
|
||||
for (i = 0; i < list_len; ++i)
|
||||
fmr->mem.arbel.mtts[i] = cpu_to_be64(page_list[i] |
|
||||
MTHCA_MTT_FLAG_PRESENT);
|
||||
|
||||
dma_sync_single(&dev->pdev->dev, fmr->mem.arbel.dma_handle,
|
||||
dma_sync_single_for_device(&dev->pdev->dev, fmr->mem.arbel.dma_handle,
|
||||
list_len * sizeof(u64), DMA_TO_DEVICE);
|
||||
|
||||
fmr->mem.arbel.mpt->key = cpu_to_be32(key);
|
||||
|
|
|
|||
|
|
@ -472,6 +472,7 @@ int schedule_nes_timer(struct nes_cm_node *cm_node, struct sk_buff *skb,
|
|||
|
||||
static void nes_retrans_expired(struct nes_cm_node *cm_node)
|
||||
{
|
||||
struct iw_cm_id *cm_id = cm_node->cm_id;
|
||||
switch (cm_node->state) {
|
||||
case NES_CM_STATE_SYN_RCVD:
|
||||
case NES_CM_STATE_CLOSING:
|
||||
|
|
@ -479,7 +480,9 @@ static void nes_retrans_expired(struct nes_cm_node *cm_node)
|
|||
break;
|
||||
case NES_CM_STATE_LAST_ACK:
|
||||
case NES_CM_STATE_FIN_WAIT1:
|
||||
case NES_CM_STATE_MPAREJ_RCVD:
|
||||
if (cm_node->cm_id)
|
||||
cm_id->rem_ref(cm_id);
|
||||
cm_node->state = NES_CM_STATE_CLOSED;
|
||||
send_reset(cm_node, NULL);
|
||||
break;
|
||||
default:
|
||||
|
|
@ -1406,6 +1409,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
|
|||
case NES_CM_STATE_CLOSED:
|
||||
drop_packet(skb);
|
||||
break;
|
||||
case NES_CM_STATE_FIN_WAIT1:
|
||||
case NES_CM_STATE_LAST_ACK:
|
||||
cm_node->cm_id->rem_ref(cm_node->cm_id);
|
||||
case NES_CM_STATE_TIME_WAIT:
|
||||
|
|
@ -1413,8 +1417,6 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
|
|||
rem_ref_cm_node(cm_node->cm_core, cm_node);
|
||||
drop_packet(skb);
|
||||
break;
|
||||
case NES_CM_STATE_FIN_WAIT1:
|
||||
nes_debug(NES_DBG_CM, "Bad state %s[%u]\n", __func__, __LINE__);
|
||||
default:
|
||||
drop_packet(skb);
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -654,7 +654,7 @@ static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *prop
|
|||
default:
|
||||
props->max_qp_rd_atom = 0;
|
||||
}
|
||||
props->max_qp_init_rd_atom = props->max_qp_wr;
|
||||
props->max_qp_init_rd_atom = props->max_qp_rd_atom;
|
||||
props->atomic_cap = IB_ATOMIC_NONE;
|
||||
props->max_map_per_fmr = 1;
|
||||
|
||||
|
|
|
|||
|
|
@ -399,10 +399,13 @@ static int mlx4_write_mtt_chunk(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
|
|||
if (!mtts)
|
||||
return -ENOMEM;
|
||||
|
||||
dma_sync_single_for_cpu(&dev->pdev->dev, dma_handle,
|
||||
npages * sizeof (u64), DMA_TO_DEVICE);
|
||||
|
||||
for (i = 0; i < npages; ++i)
|
||||
mtts[i] = cpu_to_be64(page_list[i] | MLX4_MTT_FLAG_PRESENT);
|
||||
|
||||
dma_sync_single_for_cpu(&dev->pdev->dev, dma_handle,
|
||||
dma_sync_single_for_device(&dev->pdev->dev, dma_handle,
|
||||
npages * sizeof (u64), DMA_TO_DEVICE);
|
||||
|
||||
return 0;
|
||||
|
|
@ -547,10 +550,13 @@ int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list
|
|||
/* Make sure MPT status is visible before writing MTT entries */
|
||||
wmb();
|
||||
|
||||
dma_sync_single_for_cpu(&dev->pdev->dev, fmr->dma_handle,
|
||||
npages * sizeof(u64), DMA_TO_DEVICE);
|
||||
|
||||
for (i = 0; i < npages; ++i)
|
||||
fmr->mtts[i] = cpu_to_be64(page_list[i] | MLX4_MTT_FLAG_PRESENT);
|
||||
|
||||
dma_sync_single_for_cpu(&dev->pdev->dev, fmr->dma_handle,
|
||||
dma_sync_single_for_device(&dev->pdev->dev, fmr->dma_handle,
|
||||
npages * sizeof(u64), DMA_TO_DEVICE);
|
||||
|
||||
fmr->mpt->key = cpu_to_be32(key);
|
||||
|
|
|
|||
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