diff options
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_mrmw.c')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_mrmw.c | 1356 |
1 files changed, 658 insertions, 698 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index add79bd44e39..d97eda3e1da0 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -5,6 +5,7 @@ * * Authors: Dietmar Decker <ddecker@de.ibm.com> * Christoph Raisch <raisch@de.ibm.com> + * Hoang-Nam Nguyen <hnguyen@de.ibm.com> * * Copyright (c) 2005 IBM Corporation * @@ -39,26 +40,60 @@ * POSSIBILITY OF SUCH DAMAGE. */ -#include <rdma/ib_umem.h> - #include <asm/current.h> +#include <rdma/ib_umem.h> + #include "ehca_iverbs.h" #include "ehca_mrmw.h" #include "hcp_if.h" #include "hipz_hw.h" +#define NUM_CHUNKS(length, chunk_size) \ + (((length) + (chunk_size - 1)) / (chunk_size)) +/* max number of rpages (per hcall register_rpages) */ +#define MAX_RPAGES 512 + static struct kmem_cache *mr_cache; static struct kmem_cache *mw_cache; +enum ehca_mr_pgsize { + EHCA_MR_PGSIZE4K = 0x1000L, + EHCA_MR_PGSIZE64K = 0x10000L, + EHCA_MR_PGSIZE1M = 0x100000L, + EHCA_MR_PGSIZE16M = 0x1000000L +}; + +static u32 ehca_encode_hwpage_size(u32 pgsize) +{ + u32 idx = 0; + pgsize >>= 12; + /* + * map mr page size into hw code: + * 0, 1, 2, 3 for 4K, 64K, 1M, 64M + */ + while (!(pgsize & 1)) { + idx++; + pgsize >>= 4; + } + return idx; +} + +static u64 ehca_get_max_hwpage_size(struct ehca_shca *shca) +{ + if (shca->hca_cap_mr_pgsize & HCA_CAP_MR_PGSIZE_16M) + return EHCA_MR_PGSIZE16M; + return EHCA_MR_PGSIZE4K; +} + static struct ehca_mr *ehca_mr_new(void) { struct ehca_mr *me; me = kmem_cache_zalloc(mr_cache, GFP_KERNEL); - if (me) { + if (me) spin_lock_init(&me->mrlock); - } else + else ehca_gen_err("alloc failed"); return me; @@ -74,9 +109,9 @@ static struct ehca_mw *ehca_mw_new(void) struct ehca_mw *me; me = kmem_cache_zalloc(mw_cache, GFP_KERNEL); - if (me) { + if (me) spin_lock_init(&me->mwlock); - } else + else ehca_gen_err("alloc failed"); return me; @@ -106,11 +141,12 @@ struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags) goto get_dma_mr_exit0; } - ret = ehca_reg_maxmr(shca, e_maxmr, (u64*)KERNELBASE, + ret = ehca_reg_maxmr(shca, e_maxmr, (u64 *)KERNELBASE, mr_access_flags, e_pd, &e_maxmr->ib.ib_mr.lkey, &e_maxmr->ib.ib_mr.rkey); if (ret) { + ehca_mr_delete(e_maxmr); ib_mr = ERR_PTR(ret); goto get_dma_mr_exit0; } @@ -144,9 +180,6 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd, struct ehca_pd *e_pd = container_of(pd, struct ehca_pd, ib_pd); u64 size; - struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0}; - u32 num_pages_mr; - u32 num_pages_4k; /* 4k portion "pages" */ if ((num_phys_buf <= 0) || !phys_buf_array) { ehca_err(pd->device, "bad input values: num_phys_buf=%x " @@ -190,12 +223,6 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd, goto reg_phys_mr_exit0; } - /* determine number of MR pages */ - num_pages_mr = ((((u64)iova_start % PAGE_SIZE) + size + - PAGE_SIZE - 1) / PAGE_SIZE); - num_pages_4k = ((((u64)iova_start % EHCA_PAGESIZE) + size + - EHCA_PAGESIZE - 1) / EHCA_PAGESIZE); - /* register MR on HCA */ if (ehca_mr_is_maxmr(size, iova_start)) { e_mr->flags |= EHCA_MR_FLAG_MAXMR; @@ -207,13 +234,26 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd, goto reg_phys_mr_exit1; } } else { - pginfo.type = EHCA_MR_PGI_PHYS; - pginfo.num_pages = num_pages_mr; - pginfo.num_4k = num_pages_4k; - pginfo.num_phys_buf = num_phys_buf; - pginfo.phys_buf_array = phys_buf_array; - pginfo.next_4k = (((u64)iova_start & ~PAGE_MASK) / - EHCA_PAGESIZE); + struct ehca_mr_pginfo pginfo; + u32 num_kpages; + u32 num_hwpages; + u64 hw_pgsize; + + num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size, + PAGE_SIZE); + /* for kernel space we try most possible pgsize */ + hw_pgsize = ehca_get_max_hwpage_size(shca); + num_hwpages = NUM_CHUNKS(((u64)iova_start % hw_pgsize) + size, + hw_pgsize); + memset(&pginfo, 0, sizeof(pginfo)); + pginfo.type = EHCA_MR_PGI_PHYS; + pginfo.num_kpages = num_kpages; + pginfo.hwpage_size = hw_pgsize; + pginfo.num_hwpages = num_hwpages; + pginfo.u.phy.num_phys_buf = num_phys_buf; + pginfo.u.phy.phys_buf_array = phys_buf_array; + pginfo.next_hwpage = + ((u64)iova_start & ~(hw_pgsize - 1)) / hw_pgsize; ret = ehca_reg_mr(shca, e_mr, iova_start, size, mr_access_flags, e_pd, &pginfo, &e_mr->ib.ib_mr.lkey, @@ -240,18 +280,20 @@ reg_phys_mr_exit0: /*----------------------------------------------------------------------*/ -struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt, - int mr_access_flags, struct ib_udata *udata) +struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, + u64 virt, int mr_access_flags, + struct ib_udata *udata) { struct ib_mr *ib_mr; struct ehca_mr *e_mr; struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, ib_device); struct ehca_pd *e_pd = container_of(pd, struct ehca_pd, ib_pd); - struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0}; + struct ehca_mr_pginfo pginfo; int ret; - u32 num_pages_mr; - u32 num_pages_4k; /* 4k portion "pages" */ + u32 num_kpages; + u32 num_hwpages; + u64 hwpage_size; if (!pd) { ehca_gen_err("bad pd=%p", pd); @@ -289,7 +331,7 @@ struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt e_mr->umem = ib_umem_get(pd->uobject->context, start, length, mr_access_flags); if (IS_ERR(e_mr->umem)) { - ib_mr = (void *) e_mr->umem; + ib_mr = (void *)e_mr->umem; goto reg_user_mr_exit1; } @@ -301,23 +343,52 @@ struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt } /* determine number of MR pages */ - num_pages_mr = (((virt % PAGE_SIZE) + length + PAGE_SIZE - 1) / - PAGE_SIZE); - num_pages_4k = (((virt % EHCA_PAGESIZE) + length + EHCA_PAGESIZE - 1) / - EHCA_PAGESIZE); + num_kpages = NUM_CHUNKS((virt % PAGE_SIZE) + length, PAGE_SIZE); + /* select proper hw_pgsize */ + if (ehca_mr_largepage && + (shca->hca_cap_mr_pgsize & HCA_CAP_MR_PGSIZE_16M)) { + if (length <= EHCA_MR_PGSIZE4K + && PAGE_SIZE == EHCA_MR_PGSIZE4K) + hwpage_size = EHCA_MR_PGSIZE4K; + else if (length <= EHCA_MR_PGSIZE64K) + hwpage_size = EHCA_MR_PGSIZE64K; + else if (length <= EHCA_MR_PGSIZE1M) + hwpage_size = EHCA_MR_PGSIZE1M; + else + hwpage_size = EHCA_MR_PGSIZE16M; + } else + hwpage_size = EHCA_MR_PGSIZE4K; + ehca_dbg(pd->device, "hwpage_size=%lx", hwpage_size); +reg_user_mr_fallback: + num_hwpages = NUM_CHUNKS((virt % hwpage_size) + length, hwpage_size); /* register MR on HCA */ - pginfo.type = EHCA_MR_PGI_USER; - pginfo.num_pages = num_pages_mr; - pginfo.num_4k = num_pages_4k; - pginfo.region = e_mr->umem; - pginfo.next_4k = e_mr->umem->offset / EHCA_PAGESIZE; - pginfo.next_chunk = list_prepare_entry(pginfo.next_chunk, - (&e_mr->umem->chunk_list), - list); - - ret = ehca_reg_mr(shca, e_mr, (u64*) virt, length, mr_access_flags, e_pd, - &pginfo, &e_mr->ib.ib_mr.lkey, &e_mr->ib.ib_mr.rkey); + memset(&pginfo, 0, sizeof(pginfo)); + pginfo.type = EHCA_MR_PGI_USER; + pginfo.hwpage_size = hwpage_size; + pginfo.num_kpages = num_kpages; + pginfo.num_hwpages = num_hwpages; + pginfo.u.usr.region = e_mr->umem; + pginfo.next_hwpage = e_mr->umem->offset / hwpage_size; + pginfo.u.usr.next_chunk = list_prepare_entry(pginfo.u.usr.next_chunk, + (&e_mr->umem->chunk_list), + list); + + ret = ehca_reg_mr(shca, e_mr, (u64 *)virt, length, mr_access_flags, + e_pd, &pginfo, &e_mr->ib.ib_mr.lkey, + &e_mr->ib.ib_mr.rkey); + if (ret == -EINVAL && pginfo.hwpage_size > PAGE_SIZE) { + ehca_warn(pd->device, "failed to register mr " + "with hwpage_size=%lx", hwpage_size); + ehca_info(pd->device, "try to register mr with " + "kpage_size=%lx", PAGE_SIZE); + /* + * this means kpages are not contiguous for a hw page + * try kernel page size as fallback solution + */ + hwpage_size = PAGE_SIZE; + goto reg_user_mr_fallback; + } if (ret) { ib_mr = ERR_PTR(ret); goto reg_user_mr_exit2; @@ -360,9 +431,9 @@ int ehca_rereg_phys_mr(struct ib_mr *mr, struct ehca_pd *new_pd; u32 tmp_lkey, tmp_rkey; unsigned long sl_flags; - u32 num_pages_mr = 0; - u32 num_pages_4k = 0; /* 4k portion "pages" */ - struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0}; + u32 num_kpages = 0; + u32 num_hwpages = 0; + struct ehca_mr_pginfo pginfo; u32 cur_pid = current->tgid; if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context && @@ -414,7 +485,7 @@ int ehca_rereg_phys_mr(struct ib_mr *mr, goto rereg_phys_mr_exit0; } if (!phys_buf_array || num_phys_buf <= 0) { - ehca_err(mr->device, "bad input values: mr_rereg_mask=%x" + ehca_err(mr->device, "bad input values mr_rereg_mask=%x" " phys_buf_array=%p num_phys_buf=%x", mr_rereg_mask, phys_buf_array, num_phys_buf); ret = -EINVAL; @@ -438,12 +509,14 @@ int ehca_rereg_phys_mr(struct ib_mr *mr, /* set requested values dependent on rereg request */ spin_lock_irqsave(&e_mr->mrlock, sl_flags); - new_start = e_mr->start; /* new == old address */ - new_size = e_mr->size; /* new == old length */ - new_acl = e_mr->acl; /* new == old access control */ - new_pd = container_of(mr->pd,struct ehca_pd,ib_pd); /*new == old PD*/ + new_start = e_mr->start; + new_size = e_mr->size; + new_acl = e_mr->acl; + new_pd = container_of(mr->pd, struct ehca_pd, ib_pd); if (mr_rereg_mask & IB_MR_REREG_TRANS) { + u64 hw_pgsize = ehca_get_max_hwpage_size(shca); + new_start = iova_start; /* change address */ /* check physical buffer list and calculate size */ ret = ehca_mr_chk_buf_and_calc_size(phys_buf_array, @@ -458,17 +531,19 @@ int ehca_rereg_phys_mr(struct ib_mr *mr, ret = -EINVAL; goto rereg_phys_mr_exit1; } - num_pages_mr = ((((u64)new_start % PAGE_SIZE) + new_size + - PAGE_SIZE - 1) / PAGE_SIZE); - num_pages_4k = ((((u64)new_start % EHCA_PAGESIZE) + new_size + - EHCA_PAGESIZE - 1) / EHCA_PAGESIZE); - pginfo.type = EHCA_MR_PGI_PHYS; - pginfo.num_pages = num_pages_mr; - pginfo.num_4k = num_pages_4k; - pginfo.num_phys_buf = num_phys_buf; - pginfo.phys_buf_array = phys_buf_array; - pginfo.next_4k = (((u64)iova_start & ~PAGE_MASK) / - EHCA_PAGESIZE); + num_kpages = NUM_CHUNKS(((u64)new_start % PAGE_SIZE) + + new_size, PAGE_SIZE); + num_hwpages = NUM_CHUNKS(((u64)new_start % hw_pgsize) + + new_size, hw_pgsize); + memset(&pginfo, 0, sizeof(pginfo)); + pginfo.type = EHCA_MR_PGI_PHYS; + pginfo.num_kpages = num_kpages; + pginfo.hwpage_size = hw_pgsize; + pginfo.num_hwpages = num_hwpages; + pginfo.u.phy.num_phys_buf = num_phys_buf; + pginfo.u.phy.phys_buf_array = phys_buf_array; + pginfo.next_hwpage = + ((u64)iova_start & ~(hw_pgsize - 1)) / hw_pgsize; } if (mr_rereg_mask & IB_MR_REREG_ACCESS) new_acl = mr_access_flags; @@ -510,7 +585,7 @@ int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr) struct ehca_pd *my_pd = container_of(mr->pd, struct ehca_pd, ib_pd); u32 cur_pid = current->tgid; unsigned long sl_flags; - struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0}; + struct ehca_mr_hipzout_parms hipzout; if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context && (my_pd->ownpid != cur_pid)) { @@ -536,14 +611,14 @@ int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr) "hca_hndl=%lx mr_hndl=%lx lkey=%x", h_ret, mr, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, mr->lkey); - ret = ehca_mrmw_map_hrc_query_mr(h_ret); + ret = ehca2ib_return_code(h_ret); goto query_mr_exit1; } - mr_attr->pd = mr->pd; + mr_attr->pd = mr->pd; mr_attr->device_virt_addr = hipzout.vaddr; - mr_attr->size = hipzout.len; - mr_attr->lkey = hipzout.lkey; - mr_attr->rkey = hipzout.rkey; + mr_attr->size = hipzout.len; + mr_attr->lkey = hipzout.lkey; + mr_attr->rkey = hipzout.rkey; ehca_mrmw_reverse_map_acl(&hipzout.acl, &mr_attr->mr_access_flags); query_mr_exit1: @@ -596,7 +671,7 @@ int ehca_dereg_mr(struct ib_mr *mr) "e_mr=%p hca_hndl=%lx mr_hndl=%lx mr->lkey=%x", h_ret, shca, e_mr, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, mr->lkey); - ret = ehca_mrmw_map_hrc_free_mr(h_ret); + ret = ehca2ib_return_code(h_ret); goto dereg_mr_exit0; } @@ -622,7 +697,7 @@ struct ib_mw *ehca_alloc_mw(struct ib_pd *pd) struct ehca_pd *e_pd = container_of(pd, struct ehca_pd, ib_pd); struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, ib_device); - struct ehca_mw_hipzout_parms hipzout = {{0},0}; + struct ehca_mw_hipzout_parms hipzout; e_mw = ehca_mw_new(); if (!e_mw) { @@ -636,7 +711,7 @@ struct ib_mw *ehca_alloc_mw(struct ib_pd *pd) ehca_err(pd->device, "hipz_mw_allocate failed, h_ret=%lx " "shca=%p hca_hndl=%lx mw=%p", h_ret, shca, shca->ipz_hca_handle.handle, e_mw); - ib_mw = ERR_PTR(ehca_mrmw_map_hrc_alloc(h_ret)); + ib_mw = ERR_PTR(ehca2ib_return_code(h_ret)); goto alloc_mw_exit1; } /* successful MW allocation */ @@ -679,7 +754,7 @@ int ehca_dealloc_mw(struct ib_mw *mw) "mw=%p rkey=%x hca_hndl=%lx mw_hndl=%lx", h_ret, shca, mw, mw->rkey, shca->ipz_hca_handle.handle, e_mw->ipz_mw_handle.handle); - return ehca_mrmw_map_hrc_free_mw(h_ret); + return ehca2ib_return_code(h_ret); } /* successful deallocation */ ehca_mw_delete(e_mw); @@ -699,7 +774,8 @@ struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd, struct ehca_mr *e_fmr; int ret; u32 tmp_lkey, tmp_rkey; - struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0}; + struct ehca_mr_pginfo pginfo; + u64 hw_pgsize; /* check other parameters */ if (((mr_access_flags & IB_ACCESS_REMOTE_WRITE) && @@ -729,8 +805,8 @@ struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd, ib_fmr = ERR_PTR(-EINVAL); goto alloc_fmr_exit0; } - if (((1 << fmr_attr->page_shift) != EHCA_PAGESIZE) && - ((1 << fmr_attr->page_shift) != PAGE_SIZE)) { + hw_pgsize = ehca_get_max_hwpage_size(shca); + if ((1 << fmr_attr->page_shift) != hw_pgsize) { ehca_err(pd->device, "unsupported fmr_attr->page_shift=%x", fmr_attr->page_shift); ib_fmr = ERR_PTR(-EINVAL); @@ -745,6 +821,11 @@ struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd, e_fmr->flags |= EHCA_MR_FLAG_FMR; /* register MR on HCA */ + memset(&pginfo, 0, sizeof(pginfo)); + /* + * pginfo.num_hwpages==0, ie register_rpages() will not be called + * but deferred to map_phys_fmr() + */ ret = ehca_reg_mr(shca, e_fmr, NULL, fmr_attr->max_pages * (1 << fmr_attr->page_shift), mr_access_flags, e_pd, &pginfo, @@ -755,6 +836,7 @@ struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd, } /* successful */ + e_fmr->hwpage_size = hw_pgsize; e_fmr->fmr_page_size = 1 << fmr_attr->page_shift; e_fmr->fmr_max_pages = fmr_attr->max_pages; e_fmr->fmr_max_maps = fmr_attr->max_maps; @@ -783,7 +865,7 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr, container_of(fmr->device, struct ehca_shca, ib_device); struct ehca_mr *e_fmr = container_of(fmr, struct ehca_mr, ib.ib_fmr); struct ehca_pd *e_pd = container_of(fmr->pd, struct ehca_pd, ib_pd); - struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0}; + struct ehca_mr_pginfo pginfo; u32 tmp_lkey, tmp_rkey; if (!(e_fmr->flags & EHCA_MR_FLAG_FMR)) { @@ -809,14 +891,18 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr, fmr, e_fmr->fmr_map_cnt, e_fmr->fmr_max_maps); } - pginfo.type = EHCA_MR_PGI_FMR; - pginfo.num_pages = list_len; - pginfo.num_4k = list_len * (e_fmr->fmr_page_size / EHCA_PAGESIZE); - pginfo.page_list = page_list; - pginfo.next_4k = ((iova & (e_fmr->fmr_page_size-1)) / - EHCA_PAGESIZE); + memset(&pginfo, 0, sizeof(pginfo)); + pginfo.type = EHCA_MR_PGI_FMR; + pginfo.num_kpages = list_len; + pginfo.hwpage_size = e_fmr->hwpage_size; + pginfo.num_hwpages = + list_len * e_fmr->fmr_page_size / pginfo.hwpage_size; + pginfo.u.fmr.page_list = page_list; + pginfo.next_hwpage = + (iova & (e_fmr->fmr_page_size-1)) / pginfo.hwpage_size; + pginfo.u.fmr.fmr_pgsize = e_fmr->fmr_page_size; - ret = ehca_rereg_mr(shca, e_fmr, (u64*)iova, + ret = ehca_rereg_mr(shca, e_fmr, (u64 *)iova, list_len * e_fmr->fmr_page_size, e_fmr->acl, e_pd, &pginfo, &tmp_lkey, &tmp_rkey); if (ret) @@ -831,8 +917,7 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr, map_phys_fmr_exit0: if (ret) ehca_err(fmr->device, "ret=%x fmr=%p page_list=%p list_len=%x " - "iova=%lx", - ret, fmr, page_list, list_len, iova); + "iova=%lx", ret, fmr, page_list, list_len, iova); return ret; } /* end ehca_map_phys_fmr() */ @@ -922,7 +1007,7 @@ int ehca_dealloc_fmr(struct ib_fmr *fmr) "hca_hndl=%lx fmr_hndl=%lx fmr->lkey=%x", h_ret, e_fmr, shca->ipz_hca_handle.handle, e_fmr->ipz_mr_handle.handle, fmr->lkey); - ret = ehca_mrmw_map_hrc_free_mr(h_ret); + ret = ehca2ib_return_code(h_ret); goto free_fmr_exit0; } /* successful deregistration */ @@ -950,12 +1035,12 @@ int ehca_reg_mr(struct ehca_shca *shca, int ret; u64 h_ret; u32 hipz_acl; - struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0}; + struct ehca_mr_hipzout_parms hipzout; ehca_mrmw_map_acl(acl, &hipz_acl); - ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl); + ehca_mrmw_set_pgsize_hipz_acl(pginfo->hwpage_size, &hipz_acl); if (ehca_use_hp_mr == 1) - hipz_acl |= 0x00000001; + hipz_acl |= 0x00000001; h_ret = hipz_h_alloc_resource_mr(shca->ipz_hca_handle, e_mr, (u64)iova_start, size, hipz_acl, @@ -963,7 +1048,7 @@ int ehca_reg_mr(struct ehca_shca *shca, if (h_ret != H_SUCCESS) { ehca_err(&shca->ib_device, "hipz_alloc_mr failed, h_ret=%lx " "hca_hndl=%lx", h_ret, shca->ipz_hca_handle.handle); - ret = ehca_mrmw_map_hrc_alloc(h_ret); + ret = ehca2ib_return_code(h_ret); goto ehca_reg_mr_exit0; } @@ -974,11 +1059,12 @@ int ehca_reg_mr(struct ehca_shca *shca, goto ehca_reg_mr_exit1; /* successful registration */ - e_mr->num_pages = pginfo->num_pages; - e_mr->num_4k = pginfo->num_4k; - e_mr->start = iova_start; - e_mr->size = size; - e_mr->acl = acl; + e_mr->num_kpages = pginfo->num_kpages; + e_mr->num_hwpages = pginfo->num_hwpages; + e_mr->hwpage_size = pginfo->hwpage_size; + e_mr->start = iova_start; + e_mr->size = size; + e_mr->acl = acl; *lkey = hipzout.lkey; *rkey = hipzout.rkey; return 0; @@ -988,10 +1074,10 @@ ehca_reg_mr_exit1: if (h_ret != H_SUCCESS) { ehca_err(&shca->ib_device, "h_ret=%lx shca=%p e_mr=%p " "iova_start=%p size=%lx acl=%x e_pd=%p lkey=%x " - "pginfo=%p num_pages=%lx num_4k=%lx ret=%x", + "pginfo=%p num_kpages=%lx num_hwpages=%lx ret=%x", h_ret, shca, e_mr, iova_start, size, acl, e_pd, - hipzout.lkey, pginfo, pginfo->num_pages, - pginfo->num_4k, ret); + hipzout.lkey, pginfo, pginfo->num_kpages, + pginfo->num_hwpages, ret); ehca_err(&shca->ib_device, "internal error in ehca_reg_mr, " "not recoverable"); } @@ -999,9 +1085,9 @@ ehca_reg_mr_exit0: if (ret) ehca_err(&shca->ib_device, "ret=%x shca=%p e_mr=%p " "iova_start=%p size=%lx acl=%x e_pd=%p pginfo=%p " - "num_pages=%lx num_4k=%lx", + "num_kpages=%lx num_hwpages=%lx", ret, shca, e_mr, iova_start, size, acl, e_pd, pginfo, - pginfo->num_pages, pginfo->num_4k); + pginfo->num_kpages, pginfo->num_hwpages); return ret; } /* end ehca_reg_mr() */ @@ -1018,6 +1104,9 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, u32 i; u64 *kpage; + if (!pginfo->num_hwpages) /* in case of fmr */ + return 0; + kpage = ehca_alloc_fw_ctrlblock(GFP_KERNEL); if (!kpage) { ehca_err(&shca->ib_device, "kpage alloc failed"); @@ -1025,25 +1114,25 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, goto ehca_reg_mr_rpages_exit0; } - /* max 512 pages per shot */ - for (i = 0; i < ((pginfo->num_4k + 512 - 1) / 512); i++) { + /* max MAX_RPAGES ehca mr pages per register call */ + for (i = 0; i < NUM_CHUNKS(pginfo->num_hwpages, MAX_RPAGES); i++) { - if (i == ((pginfo->num_4k + 512 - 1) / 512) - 1) { - rnum = pginfo->num_4k % 512; /* last shot */ + if (i == NUM_CHUNKS(pginfo->num_hwpages, MAX_RPAGES) - 1) { + rnum = pginfo->num_hwpages % MAX_RPAGES; /* last shot */ if (rnum == 0) - rnum = 512; /* last shot is full */ + rnum = MAX_RPAGES; /* last shot is full */ } else - rnum = 512; + rnum = MAX_RPAGES; + + ret = ehca_set_pagebuf(pginfo, rnum, kpage); + if (ret) { + ehca_err(&shca->ib_device, "ehca_set_pagebuf " + "bad rc, ret=%x rnum=%x kpage=%p", + ret, rnum, kpage); + goto ehca_reg_mr_rpages_exit1; + } if (rnum > 1) { - ret = ehca_set_pagebuf(e_mr, pginfo, rnum, kpage); - if (ret) { - ehca_err(&shca->ib_device, "ehca_set_pagebuf " - "bad rc, ret=%x rnum=%x kpage=%p", - ret, rnum, kpage); - ret = -EFAULT; - goto ehca_reg_mr_rpages_exit1; - } rpage = virt_to_abs(kpage); if (!rpage) { ehca_err(&shca->ib_device, "kpage=%p i=%x", @@ -1051,21 +1140,15 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, ret = -EFAULT; goto ehca_reg_mr_rpages_exit1; } - } else { /* rnum==1 */ - ret = ehca_set_pagebuf_1(e_mr, pginfo, &rpage); - if (ret) { - ehca_err(&shca->ib_device, "ehca_set_pagebuf_1 " - "bad rc, ret=%x i=%x", ret, i); - ret = -EFAULT; - goto ehca_reg_mr_rpages_exit1; - } - } + } else + rpage = *kpage; - h_ret = hipz_h_register_rpage_mr(shca->ipz_hca_handle, e_mr, - 0, /* pagesize 4k */ - 0, rpage, rnum); + h_ret = hipz_h_register_rpage_mr( + shca->ipz_hca_handle, e_mr, + ehca_encode_hwpage_size(pginfo->hwpage_size), + 0, rpage, rnum); - if (i == ((pginfo->num_4k + 512 - 1) / 512) - 1) { + if (i == NUM_CHUNKS(pginfo->num_hwpages, MAX_RPAGES) - 1) { /* * check for 'registration complete'==H_SUCCESS * and for 'page registered'==H_PAGE_REGISTERED @@ -1078,7 +1161,7 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, e_mr->ib.ib_mr.lkey); - ret = ehca_mrmw_map_hrc_rrpg_last(h_ret); + ret = ehca2ib_return_code(h_ret); break; } else ret = 0; @@ -1089,7 +1172,7 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, e_mr->ib.ib_mr.lkey, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle); - ret = ehca_mrmw_map_hrc_rrpg_notlast(h_ret); + ret = ehca2ib_return_code(h_ret); break; } else ret = 0; @@ -1101,8 +1184,8 @@ ehca_reg_mr_rpages_exit1: ehca_reg_mr_rpages_exit0: if (ret) ehca_err(&shca->ib_device, "ret=%x shca=%p e_mr=%p pginfo=%p " - "num_pages=%lx num_4k=%lx", ret, shca, e_mr, pginfo, - pginfo->num_pages, pginfo->num_4k); + "num_kpages=%lx num_hwpages=%lx", ret, shca, e_mr, + pginfo, pginfo->num_kpages, pginfo->num_hwpages); return ret; } /* end ehca_reg_mr_rpages() */ @@ -1124,10 +1207,10 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca, u64 *kpage; u64 rpage; struct ehca_mr_pginfo pginfo_save; - struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0}; + struct ehca_mr_hipzout_parms hipzout; ehca_mrmw_map_acl(acl, &hipz_acl); - ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl); + ehca_mrmw_set_pgsize_hipz_acl(pginfo->hwpage_size, &hipz_acl); kpage = ehca_alloc_fw_ctrlblock(GFP_KERNEL); if (!kpage) { @@ -1137,12 +1220,12 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca, } pginfo_save = *pginfo; - ret = ehca_set_pagebuf(e_mr, pginfo, pginfo->num_4k, kpage); + ret = ehca_set_pagebuf(pginfo, pginfo->num_hwpages, kpage); if (ret) { ehca_err(&shca->ib_device, "set pagebuf failed, e_mr=%p " - "pginfo=%p type=%x num_pages=%lx num_4k=%lx kpage=%p", - e_mr, pginfo, pginfo->type, pginfo->num_pages, - pginfo->num_4k,kpage); + "pginfo=%p type=%x num_kpages=%lx num_hwpages=%lx " + "kpage=%p", e_mr, pginfo, pginfo->type, + pginfo->num_kpages, pginfo->num_hwpages, kpage); goto ehca_rereg_mr_rereg1_exit1; } rpage = virt_to_abs(kpage); @@ -1164,7 +1247,7 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca, "(Rereg1), h_ret=%lx e_mr=%p", h_ret, e_mr); *pginfo = pginfo_save; ret = -EAGAIN; - } else if ((u64*)hipzout.vaddr != iova_start) { + } else if ((u64 *)hipzout.vaddr != iova_start) { ehca_err(&shca->ib_device, "PHYP changed iova_start in " "rereg_pmr, iova_start=%p iova_start_out=%lx e_mr=%p " "mr_handle=%lx lkey=%x lkey_out=%x", iova_start, @@ -1176,11 +1259,12 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca, * successful reregistration * note: start and start_out are identical for eServer HCAs */ - e_mr->num_pages = pginfo->num_pages; - e_mr->num_4k = pginfo->num_4k; - e_mr->start = iova_start; - e_mr->size = size; - e_mr->acl = acl; + e_mr->num_kpages = pginfo->num_kpages; + e_mr->num_hwpages = pginfo->num_hwpages; + e_mr->hwpage_size = pginfo->hwpage_size; + e_mr->start = iova_start; + e_mr->size = size; + e_mr->acl = acl; *lkey = hipzout.lkey; *rkey = hipzout.rkey; } @@ -1190,9 +1274,9 @@ ehca_rereg_mr_rereg1_exit1: ehca_rereg_mr_rereg1_exit0: if ( ret && (ret != -EAGAIN) ) ehca_err(&shca->ib_device, "ret=%x lkey=%x rkey=%x " - "pginfo=%p num_pages=%lx num_4k=%lx", - ret, *lkey, *rkey, pginfo, pginfo->num_pages, - pginfo->num_4k); + "pginfo=%p num_kpages=%lx num_hwpages=%lx", + ret, *lkey, *rkey, pginfo, pginfo->num_kpages, + pginfo->num_hwpages); return ret; } /* end ehca_rereg_mr_rereg1() */ @@ -1214,10 +1298,12 @@ int ehca_rereg_mr(struct ehca_shca *shca, int rereg_3_hcall = 0; /* 1: use 3 hipz calls for reregistration */ /* first determine reregistration hCall(s) */ - if ((pginfo->num_4k > 512) || (e_mr->num_4k > 512) || - (pginfo->num_4k > e_mr->num_4k)) { - ehca_dbg(&shca->ib_device, "Rereg3 case, pginfo->num_4k=%lx " - "e_mr->num_4k=%x", pginfo->num_4k, e_mr->num_4k); + if ((pginfo->num_hwpages > MAX_RPAGES) || + (e_mr->num_hwpages > MAX_RPAGES) || + (pginfo->num_hwpages > e_mr->num_hwpages)) { + ehca_dbg(&shca->ib_device, "Rereg3 case, " + "pginfo->num_hwpages=%lx e_mr->num_hwpages=%x", + pginfo->num_hwpages, e_mr->num_hwpages); rereg_1_hcall = 0; rereg_3_hcall = 1; } @@ -1253,7 +1339,7 @@ int ehca_rereg_mr(struct ehca_shca *shca, h_ret, e_mr, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, e_mr->ib.ib_mr.lkey); - ret = ehca_mrmw_map_hrc_free_mr(h_ret); + ret = ehca2ib_return_code(h_ret); goto ehca_rereg_mr_exit0; } /* clean ehca_mr_t, without changing struct ib_mr and lock */ @@ -1262,13 +1348,14 @@ int ehca_rereg_mr(struct ehca_shca *shca, /* set some MR values */ e_mr->flags = save_mr.flags; + e_mr->hwpage_size = save_mr.hwpage_size; e_mr->fmr_page_size = save_mr.fmr_page_size; e_mr->fmr_max_pages = save_mr.fmr_max_pages; e_mr->fmr_max_maps = save_mr.fmr_max_maps; e_mr->fmr_map_cnt = save_mr.fmr_map_cnt; ret = ehca_reg_mr(shca, e_mr, iova_start, size, acl, - e_pd, pginfo, lkey, rkey); + e_pd, pginfo, lkey, rkey); if (ret) { u32 offset = (u64)(&e_mr->flags) - (u64)e_mr; memcpy(&e_mr->flags, &(save_mr.flags), @@ -1281,9 +1368,9 @@ ehca_rereg_mr_exit0: if (ret) ehca_err(&shca->ib_device, "ret=%x shca=%p e_mr=%p " "iova_start=%p size=%lx acl=%x e_pd=%p pginfo=%p " - "num_pages=%lx lkey=%x rkey=%x rereg_1_hcall=%x " + "num_kpages=%lx lkey=%x rkey=%x rereg_1_hcall=%x " "rereg_3_hcall=%x", ret, shca, e_mr, iova_start, size, - acl, e_pd, pginfo, pginfo->num_pages, *lkey, *rkey, + acl, e_pd, pginfo, pginfo->num_kpages, *lkey, *rkey, rereg_1_hcall, rereg_3_hcall); return ret; } /* end ehca_rereg_mr() */ @@ -1295,97 +1382,84 @@ int ehca_unmap_one_fmr(struct ehca_shca *shca, { int ret = 0; u64 h_ret; - int rereg_1_hcall = 1; /* 1: use hipz_mr_reregister directly */ - int rereg_3_hcall = 0; /* 1: use 3 hipz calls for unmapping */ struct ehca_pd *e_pd = container_of(e_fmr->ib.ib_fmr.pd, struct ehca_pd, ib_pd); struct ehca_mr save_fmr; u32 tmp_lkey, tmp_rkey; - struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0}; - struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0}; - - /* first check if reregistration hCall can be used for unmap */ - if (e_fmr->fmr_max_pages > 512) { - rereg_1_hcall = 0; - rereg_3_hcall = 1; - } + struct ehca_mr_pginfo pginfo; + struct ehca_mr_hipzout_parms hipzout; + struct ehca_mr save_mr; - if (rereg_1_hcall) { + if (e_fmr->fmr_max_pages <= MAX_RPAGES) { /* * note: after using rereg hcall with len=0, * rereg hcall must be used again for registering pages */ h_ret = hipz_h_reregister_pmr(shca->ipz_hca_handle, e_fmr, 0, 0, 0, e_pd->fw_pd, 0, &hipzout); - if (h_ret != H_SUCCESS) { - /* - * should not happen, because length checked above, - * FMRs are not shared and no MW bound to FMRs - */ - ehca_err(&shca->ib_device, "hipz_reregister_pmr failed " - "(Rereg1), h_ret=%lx e_fmr=%p hca_hndl=%lx " - "mr_hndl=%lx lkey=%x lkey_out=%x", - h_ret, e_fmr, shca->ipz_hca_handle.handle, - e_fmr->ipz_mr_handle.handle, - e_fmr->ib.ib_fmr.lkey, hipzout.lkey); - rereg_3_hcall = 1; - } else { + if (h_ret == H_SUCCESS) { /* successful reregistration */ e_fmr->start = NULL; e_fmr->size = 0; tmp_lkey = hipzout.lkey; tmp_rkey = hipzout.rkey; + return 0; } + /* + * should not happen, because length checked above, + * FMRs are not shared and no MW bound to FMRs + */ + ehca_err(&shca->ib_device, "hipz_reregister_pmr failed " + "(Rereg1), h_ret=%lx e_fmr=%p hca_hndl=%lx " + "mr_hndl=%lx lkey=%x lkey_out=%x", + h_ret, e_fmr, shca->ipz_hca_handle.handle, + e_fmr->ipz_mr_handle.handle, + e_fmr->ib.ib_fmr.lkey, hipzout.lkey); + /* try free and rereg */ } - if (rereg_3_hcall) { - struct ehca_mr save_mr; - - /* first free old FMR */ - h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_fmr); - if (h_ret != H_SUCCESS) { - ehca_err(&shca->ib_device, "hipz_free_mr failed, " - "h_ret=%lx e_fmr=%p hca_hndl=%lx mr_hndl=%lx " - "lkey=%x", - h_ret, e_fmr, shca->ipz_hca_handle.handle, - e_fmr->ipz_mr_handle.handle, - e_fmr->ib.ib_fmr.lkey); - ret = ehca_mrmw_map_hrc_free_mr(h_ret); - goto ehca_unmap_one_fmr_exit0; - } - /* clean ehca_mr_t, without changing lock */ - save_fmr = *e_fmr; - ehca_mr_deletenew(e_fmr); - - /* set some MR values */ - e_fmr->flags = save_fmr.flags; - e_fmr->fmr_page_size = save_fmr.fmr_page_size; - e_fmr->fmr_max_pages = save_fmr.fmr_max_pages; - e_fmr->fmr_max_maps = save_fmr.fmr_max_maps; - e_fmr->fmr_map_cnt = save_fmr.fmr_map_cnt; - e_fmr->acl = save_fmr.acl; - - pginfo.type = EHCA_MR_PGI_FMR; - pginfo.num_pages = 0; - pginfo.num_4k = 0; - ret = ehca_reg_mr(shca, e_fmr, NULL, - (e_fmr->fmr_max_pages * e_fmr->fmr_page_size), - e_fmr->acl, e_pd, &pginfo, &tmp_lkey, - &tmp_rkey); - if (ret) { - u32 offset = (u64)(&e_fmr->flags) - (u64)e_fmr; - memcpy(&e_fmr->flags, &(save_mr.flags), - sizeof(struct ehca_mr) - offset); - goto ehca_unmap_one_fmr_exit0; - } + /* first free old FMR */ + h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_fmr); + if (h_ret != H_SUCCESS) { + ehca_err(&shca->ib_device, "hipz_free_mr failed, " + "h_ret=%lx e_fmr=%p hca_hndl=%lx mr_hndl=%lx " + "lkey=%x", + h_ret, e_fmr, shca->ipz_hca_handle.handle, + e_fmr->ipz_mr_handle.handle, + e_fmr->ib.ib_fmr.lkey); + ret = ehca2ib_return_code(h_ret); + goto ehca_unmap_one_fmr_exit0; + } + /* clean ehca_mr_t, without changing lock */ + save_fmr = *e_fmr; + ehca_mr_deletenew(e_fmr); + + /* set some MR values */ + e_fmr->flags = save_fmr.flags; + e_fmr->hwpage_size = save_fmr.hwpage_size; + e_fmr->fmr_page_size = save_fmr.fmr_page_size; + e_fmr->fmr_max_pages = save_fmr.fmr_max_pages; + e_fmr->fmr_max_maps = save_fmr.fmr_max_maps; + e_fmr->fmr_map_cnt = save_fmr.fmr_map_cnt; + e_fmr->acl = save_fmr.acl; + + memset(&pginfo, 0, sizeof(pginfo)); + pginfo.type = EHCA_MR_PGI_FMR; + ret = ehca_reg_mr(shca, e_fmr, NULL, + (e_fmr->fmr_max_pages * e_fmr->fmr_page_size), + e_fmr->acl, e_pd, &pginfo, &tmp_lkey, + &tmp_rkey); + if (ret) { + u32 offset = (u64)(&e_fmr->flags) - (u64)e_fmr; + memcpy(&e_fmr->flags, &(save_mr.flags), + sizeof(struct ehca_mr) - offset); } ehca_unmap_one_fmr_exit0: if (ret) ehca_err(&shca->ib_device, "ret=%x tmp_lkey=%x tmp_rkey=%x " - "fmr_max_pages=%x rereg_1_hcall=%x rereg_3_hcall=%x", - ret, tmp_lkey, tmp_rkey, e_fmr->fmr_max_pages, - rereg_1_hcall, rereg_3_hcall); + "fmr_max_pages=%x", + ret, tmp_lkey, tmp_rkey, e_fmr->fmr_max_pages); return ret; } /* end ehca_unmap_one_fmr() */ @@ -1403,10 +1477,10 @@ int ehca_reg_smr(struct ehca_shca *shca, int ret = 0; u64 h_ret; u32 hipz_acl; - struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0}; + struct ehca_mr_hipzout_parms hipzout; ehca_mrmw_map_acl(acl, &hipz_acl); - ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl); + ehca_mrmw_set_pgsize_hipz_acl(e_origmr->hwpage_size, &hipz_acl); h_ret = hipz_h_register_smr(shca->ipz_hca_handle, e_newmr, e_origmr, (u64)iova_start, hipz_acl, e_pd->fw_pd, @@ -1419,15 +1493,16 @@ int ehca_reg_smr(struct ehca_shca *shca, shca->ipz_hca_handle.handle, e_origmr->ipz_mr_handle.handle, e_origmr->ib.ib_mr.lkey); - ret = ehca_mrmw_map_hrc_reg_smr(h_ret); + ret = ehca2ib_return_code(h_ret); goto ehca_reg_smr_exit0; } /* successful registration */ - e_newmr->num_pages = e_origmr->num_pages; - e_newmr->num_4k = e_origmr->num_4k; - e_newmr->start = iova_start; - e_newmr->size = e_origmr->size; - e_newmr->acl = acl; + e_newmr->num_kpages = e_origmr->num_kpages; + e_newmr->num_hwpages = e_origmr->num_hwpages; + e_newmr->hwpage_size = e_origmr->hwpage_size; + e_newmr->start = iova_start; + e_newmr->size = e_origmr->size; + e_newmr->acl = acl; e_newmr->ipz_mr_handle = hipzout.handle; *lkey = hipzout.lkey; *rkey = hipzout.rkey; @@ -1453,10 +1528,11 @@ int ehca_reg_internal_maxmr( struct ehca_mr *e_mr; u64 *iova_start; u64 size_maxmr; - struct ehca_mr_pginfo pginfo={0,0,0,0,0,0,0,NULL,0,NULL,NULL,0,NULL,0}; + struct ehca_mr_pginfo pginfo; struct ib_phys_buf ib_pbuf; - u32 num_pages_mr; - u32 num_pages_4k; /* 4k portion "pages" */ + u32 num_kpages; + u32 num_hwpages; + u64 hw_pgsize; e_mr = ehca_mr_new(); if (!e_mr) { @@ -1468,28 +1544,31 @@ int ehca_reg_internal_maxmr( /* register internal max-MR on HCA */ size_maxmr = (u64)high_memory - PAGE_OFFSET; - iova_start = (u64*)KERNELBASE; + iova_start = (u64 *)KERNELBASE; ib_pbuf.addr = 0; ib_pbuf.size = size_maxmr; - num_pages_mr = ((((u64)iova_start % PAGE_SIZE) + size_maxmr + - PAGE_SIZE - 1) / PAGE_SIZE); - num_pages_4k = ((((u64)iova_start % EHCA_PAGESIZE) + size_maxmr + - EHCA_PAGESIZE - 1) / EHCA_PAGESIZE); - - pginfo.type = EHCA_MR_PGI_PHYS; - pginfo.num_pages = num_pages_mr; - pginfo.num_4k = num_pages_4k; - pginfo.num_phys_buf = 1; - pginfo.phys_buf_array = &ib_pbuf; + num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size_maxmr, + PAGE_SIZE); + hw_pgsize = ehca_get_max_hwpage_size(shca); + num_hwpages = NUM_CHUNKS(((u64)iova_start % hw_pgsize) + size_maxmr, + hw_pgsize); + + memset(&pginfo, 0, sizeof(pginfo)); + pginfo.type = EHCA_MR_PGI_PHYS; + pginfo.num_kpages = num_kpages; + pginfo.num_hwpages = num_hwpages; + pginfo.hwpage_size = hw_pgsize; + pginfo.u.phy.num_phys_buf = 1; + pginfo.u.phy.phys_buf_array = &ib_pbuf; 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); if (ret) { ehca_err(&shca->ib_device, "reg of internal max MR failed, " - "e_mr=%p iova_start=%p size_maxmr=%lx num_pages_mr=%x " - "num_pages_4k=%x", e_mr, iova_start, size_maxmr, - num_pages_mr, num_pages_4k); + "e_mr=%p iova_start=%p size_maxmr=%lx num_kpages=%x " + "num_hwpages=%x", e_mr, iova_start, size_maxmr, + num_kpages, num_hwpages); goto ehca_reg_internal_maxmr_exit1; } @@ -1524,10 +1603,10 @@ int ehca_reg_maxmr(struct ehca_shca *shca, u64 h_ret; struct ehca_mr *e_origmr = shca->maxmr; u32 hipz_acl; - struct ehca_mr_hipzout_parms hipzout = {{0},0,0,0,0,0}; + struct ehca_mr_hipzout_parms hipzout; ehca_mrmw_map_acl(acl, &hipz_acl); - ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl); + ehca_mrmw_set_pgsize_hipz_acl(e_origmr->hwpage_size, &hipz_acl); h_ret = hipz_h_register_smr(shca->ipz_hca_handle, e_newmr, e_origmr, (u64)iova_start, hipz_acl, e_pd->fw_pd, @@ -1538,14 +1617,15 @@ int ehca_reg_maxmr(struct ehca_shca *shca, h_ret, e_origmr, shca->ipz_hca_handle.handle, e_origmr->ipz_mr_handle.handle, e_origmr->ib.ib_mr.lkey); - return ehca_mrmw_map_hrc_reg_smr(h_ret); + return ehca2ib_return_code(h_ret); } /* successful registration */ - e_newmr->num_pages = e_origmr->num_pages; - e_newmr->num_4k = e_origmr->num_4k; - e_newmr->start = iova_start; - e_newmr->size = e_origmr->size; - e_newmr->acl = acl; + e_newmr->num_kpages = e_origmr->num_kpages; + e_newmr->num_hwpages = e_origmr->num_hwpages; + e_newmr->hwpage_size = e_origmr->hwpage_size; + e_newmr->start = iova_start; + e_newmr->size = e_origmr->size; + e_newmr->acl = acl; e_newmr->ipz_mr_handle = hipzout.handle; *lkey = hipzout.lkey; *rkey = hipzout.rkey; @@ -1677,299 +1757,352 @@ int ehca_fmr_check_page_list(struct ehca_mr *e_fmr, /*----------------------------------------------------------------------*/ -/* setup page buffer from page info */ -int ehca_set_pagebuf(struct ehca_mr *e_mr, - struct ehca_mr_pginfo *pginfo, - u32 number, - u64 *kpage) +/* PAGE_SIZE >= pginfo->hwpage_size */ +static int ehca_set_pagebuf_user1(struct ehca_mr_pginfo *pginfo, + u32 number, + u64 *kpage) { int ret = 0; struct ib_umem_chunk *prev_chunk; struct ib_umem_chunk *chunk; - struct ib_phys_buf *pbuf; - u64 *fmrlist; - u64 num4k, pgaddr, offs4k; + u64 pgaddr; u32 i = 0; u32 j = 0; - - if (pginfo->type == EHCA_MR_PGI_PHYS) { - /* loop over desired phys_buf_array entries */ - while (i < number) { - pbuf = pginfo->phys_buf_array + pginfo->next_buf; - num4k = ((pbuf->addr % EHCA_PAGESIZE) + pbuf->size + - EHCA_PAGESIZE - 1) / EHCA_PAGESIZE; - offs4k = (pbuf->addr & ~PAGE_MASK) / EHCA_PAGESIZE; - while (pginfo->next_4k < offs4k + num4k) { - /* sanity check */ - if ((pginfo->page_cnt >= pginfo->num_pages) || - (pginfo->page_4k_cnt >= pginfo->num_4k)) { - ehca_gen_err("page_cnt >= num_pages, " - "page_cnt=%lx " - "num_pages=%lx " - "page_4k_cnt=%lx " - "num_4k=%lx i=%x", - pginfo->page_cnt, - pginfo->num_pages, - pginfo->page_4k_cnt, - pginfo->num_4k, i); - ret = -EFAULT; - goto ehca_set_pagebuf_exit0; - } - *kpage = phys_to_abs( - (pbuf->addr & EHCA_PAGEMASK) - + (pginfo->next_4k * EHCA_PAGESIZE)); - if ( !(*kpage) && pbuf->addr ) { - ehca_gen_err("pbuf->addr=%lx " - "pbuf->size=%lx " - "next_4k=%lx", pbuf->addr, - pbuf->size, - pginfo->next_4k); - ret = -EFAULT; - goto ehca_set_pagebuf_exit0; - } - (pginfo->page_4k_cnt)++; - (pginfo->next_4k)++; - if (pginfo->next_4k % - (PAGE_SIZE / EHCA_PAGESIZE) == 0) - (pginfo->page_cnt)++; - kpage++; - i++; - if (i >= number) break; + int hwpages_per_kpage = PAGE_SIZE / pginfo->hwpage_size; + + /* loop over desired chunk entries */ + chunk = pginfo->u.usr.next_chunk; + prev_chunk = pginfo->u.usr.next_chunk; + list_for_each_entry_continue( + chunk, (&(pginfo->u.usr.region->chunk_list)), list) { + for (i = pginfo->u.usr.next_nmap; i < chunk->nmap; ) { + pgaddr = page_to_pfn(chunk->page_list[i].page) + << PAGE_SHIFT ; + *kpage = phys_to_abs(pgaddr + + (pginfo->next_hwpage * + pginfo->hwpage_size)); + if ( !(*kpage) ) { + ehca_gen_err("pgaddr=%lx " + "chunk->page_list[i]=%lx " + "i=%x next_hwpage=%lx", + pgaddr, (u64)sg_dma_address( + &chunk->page_list[i]), + i, pginfo->next_hwpage); + return -EFAULT; } - if (pginfo->next_4k >= offs4k + num4k) { - (pginfo->next_buf)++; - pginfo->next_4k = 0; + (pginfo->hwpage_cnt)++; + (pginfo->next_hwpage)++; + kpage++; + if (pginfo->next_hwpage % hwpages_per_kpage == 0) { + (pginfo->kpage_cnt)++; + (pginfo->u.usr.next_nmap)++; + pginfo->next_hwpage = 0; + i++; } + j++; + if (j >= number) break; } - } else if (pginfo->type == EHCA_MR_PGI_USER) { - /* loop over desired chunk entries */ - chunk = pginfo->next_chunk; - prev_chunk = pginfo->next_chunk; - list_for_each_entry_continue(chunk, - (&(pginfo->region->chunk_list)), - list) { - for (i = pginfo->next_nmap; i < chunk->nmap; ) { + if ((pginfo->u.usr.next_nmap >= chunk->nmap) && + (j >= number)) { + pginfo->u.usr.next_nmap = 0; + prev_chunk = chunk; + break; + } else if (pginfo->u.usr.next_nmap >= chunk->nmap) { + pginfo->u.usr.next_nmap = 0; + prev_chunk = chunk; + } else if (j >= number) + break; + else + prev_chunk = chunk; + } + pginfo->u.usr.next_chunk = + list_prepare_entry(prev_chunk, + (&(pginfo->u.usr.region->chunk_list)), + list); + return ret; +} + +/* + * check given pages for contiguous layout + * last page addr is returned in prev_pgaddr for further check + */ +static int ehca_check_kpages_per_ate(struct scatterlist *page_list, + int start_idx, int end_idx, + u64 *prev_pgaddr) +{ + int t; + for (t = start_idx; t <= end_idx; t++) { + u64 pgaddr = page_to_pfn(page_list[t].page) << PAGE_SHIFT; + ehca_gen_dbg("chunk_page=%lx value=%016lx", pgaddr, + *(u64 *)abs_to_virt(phys_to_abs(pgaddr))); + if (pgaddr - PAGE_SIZE != *prev_pgaddr) { + ehca_gen_err("uncontiguous page found pgaddr=%lx " + "prev_pgaddr=%lx page_list_i=%x", + pgaddr, *prev_pgaddr, t); + return -EINVAL; + } + *prev_pgaddr = pgaddr; + } + return 0; +} + +/* PAGE_SIZE < pginfo->hwpage_size */ +static int ehca_set_pagebuf_user2(struct ehca_mr_pginfo *pginfo, + u32 number, + u64 *kpage) +{ + int ret = 0; + struct ib_umem_chunk *prev_chunk; + struct ib_umem_chunk *chunk; + u64 pgaddr, prev_pgaddr; + u32 i = 0; + u32 j = 0; + int kpages_per_hwpage = pginfo->hwpage_size / PAGE_SIZE; + int nr_kpages = kpages_per_hwpage; + + /* loop over desired chunk entries */ + chunk = pginfo->u.usr.next_chunk; + prev_chunk = pginfo->u.usr.next_chunk; + list_for_each_entry_continue( + chunk, (&(pginfo->u.usr.region->chunk_list)), list) { + for (i = pginfo->u.usr.next_nmap; i < chunk->nmap; ) { + if (nr_kpages == kpages_per_hwpage) { pgaddr = ( page_to_pfn(chunk->page_list[i].page) << PAGE_SHIFT ); - *kpage = phys_to_abs(pgaddr + - (pginfo->next_4k * - EHCA_PAGESIZE)); + *kpage = phys_to_abs(pgaddr); if ( !(*kpage) ) { - ehca_gen_err("pgaddr=%lx " - "chunk->page_list[i]=%lx " - "i=%x next_4k=%lx mr=%p", - pgaddr, - (u64)sg_dma_address( - &chunk-> - page_list[i]), - i, pginfo->next_4k, e_mr); + ehca_gen_err("pgaddr=%lx i=%x", + pgaddr, i); ret = -EFAULT; - goto ehca_set_pagebuf_exit0; + return ret; } - (pginfo->page_4k_cnt)++; - (pginfo->next_4k)++; - kpage++; - if (pginfo->next_4k % - (PAGE_SIZE / EHCA_PAGESIZE) == 0) { - (pginfo->page_cnt)++; - (pginfo->next_nmap)++; - pginfo->next_4k = 0; - i++; + /* + * The first page in a hwpage must be aligned; + * the first MR page is exempt from this rule. + */ + if (pgaddr & (pginfo->hwpage_size - 1)) { + if (pginfo->hwpage_cnt) { + ehca_gen_err( + "invalid alignment " + "pgaddr=%lx i=%x " + "mr_pgsize=%lx", + pgaddr, i, + pginfo->hwpage_size); + ret = -EFAULT; + return ret; + } + /* first MR page */ + pginfo->kpage_cnt = + (pgaddr & + (pginfo->hwpage_size - 1)) >> + PAGE_SHIFT; + nr_kpages -= pginfo->kpage_cnt; + *kpage = phys_to_abs( + pgaddr & + ~(pginfo->hwpage_size - 1)); } - j++; - if (j >= number) break; + ehca_gen_dbg("kpage=%lx chunk_page=%lx " + "value=%016lx", *kpage, pgaddr, + *(u64 *)abs_to_virt( + phys_to_abs(pgaddr))); + prev_pgaddr = pgaddr; + i++; + pginfo->kpage_cnt++; + pginfo->u.usr.next_nmap++; + nr_kpages--; + if (!nr_kpages) + goto next_kpage; + continue; } - if ((pginfo->next_nmap >= chunk->nmap) && - (j >= number)) { - pginfo->next_nmap = 0; - prev_chunk = chunk; + if (i + nr_kpages > chunk->nmap) { + ret = ehca_check_kpages_per_ate( + chunk->page_list, i, + chunk->nmap - 1, &prev_pgaddr); + if (ret) return ret; + pginfo->kpage_cnt += chunk->nmap - i; + pginfo->u.usr.next_nmap += chunk->nmap - i; + nr_kpages -= chunk->nmap - i; break; - } else if (pginfo->next_nmap >= chunk->nmap) { - pginfo->next_nmap = 0; - prev_chunk = chunk; - } else if (j >= number) - break; - else - prev_chunk = chunk; - } - pginfo->next_chunk = - list_prepare_entry(prev_chunk, - (&(pginfo->region->chunk_list)), - list); - } else if (pginfo->type == EHCA_MR_PGI_FMR) { - /* loop over desired page_list entries */ - fmrlist = pginfo->page_list + pginfo->next_listelem; - for (i = 0; i < number; i++) { - *kpage = phys_to_abs((*fmrlist & EHCA_PAGEMASK) + - pginfo->next_4k * EHCA_PAGESIZE); - if ( !(*kpage) ) { - ehca_gen_err("*fmrlist=%lx fmrlist=%p " - "next_listelem=%lx next_4k=%lx", - *fmrlist, fmrlist, - pginfo->next_listelem, - pginfo->next_4k); - ret = -EFAULT; - goto ehca_set_pagebuf_exit0; } - (pginfo->page_4k_cnt)++; - (pginfo->next_4k)++; + + ret = ehca_check_kpages_per_ate(chunk->page_list, i, + i + nr_kpages - 1, + &prev_pgaddr); + if (ret) return ret; + i += nr_kpages; + pginfo->kpage_cnt += nr_kpages; + pginfo->u.usr.next_nmap += nr_kpages; +next_kpage: + nr_kpages = kpages_per_hwpage; + (pginfo->hwpage_cnt)++; kpage++; - if (pginfo->next_4k % - (e_mr->fmr_page_size / EHCA_PAGESIZE) == 0) { - (pginfo->page_cnt)++; - (pginfo->next_listelem)++; - fmrlist++; - pginfo->next_4k = 0; - } + j++; + if (j >= number) break; } - } else { - ehca_gen_err("bad pginfo->type=%x", pginfo->type); - ret = -EFAULT; - goto ehca_set_pagebuf_exit0; + if ((pginfo->u.usr.next_nmap >= chunk->nmap) && + (j >= number)) { + pginfo->u.usr.next_nmap = 0; + prev_chunk = chunk; + break; + } else if (pginfo->u.usr.next_nmap >= chunk->nmap) { + pginfo->u.usr.next_nmap = 0; + prev_chunk = chunk; + } else if (j >= number) + break; + else + prev_chunk = chunk; } - -ehca_set_pagebuf_exit0: - if (ret) - ehca_gen_err("ret=%x e_mr=%p pginfo=%p type=%x num_pages=%lx " - "num_4k=%lx next_buf=%lx next_4k=%lx number=%x " - "kpage=%p page_cnt=%lx page_4k_cnt=%lx i=%x " - "next_listelem=%lx region=%p next_chunk=%p " - "next_nmap=%lx", ret, e_mr, pginfo, pginfo->type, - pginfo->num_pages, pginfo->num_4k, - pginfo->next_buf, pginfo->next_4k, number, kpage, - pginfo->page_cnt, pginfo->page_4k_cnt, i, - pginfo->next_listelem, pginfo->region, - pginfo->next_chunk, pginfo->next_nmap); + pginfo->u.usr.next_chunk = + list_prepare_entry(prev_chunk, + (&(pginfo->u.usr.region->chunk_list)), + list); return ret; -} /* end ehca_set_pagebuf() */ - -/*----------------------------------------------------------------------*/ +} -/* setup 1 page from page info page buffer */ -int ehca_set_pagebuf_1(struct ehca_mr *e_mr, - struct ehca_mr_pginfo *pginfo, - u64 *rpage) +int ehca_set_pagebuf_phys(struct ehca_mr_pginfo *pginfo, + u32 number, + u64 *kpage) { int ret = 0; - struct ib_phys_buf *tmp_pbuf; - u64 *fmrlist; - struct ib_umem_chunk *chunk; - struct ib_umem_chunk *prev_chunk; - u64 pgaddr, num4k, offs4k; - - if (pginfo->type == EHCA_MR_PGI_PHYS) { - /* sanity check */ - if ((pginfo->page_cnt >= pginfo->num_pages) || - (pginfo->page_4k_cnt >= pginfo->num_4k)) { - ehca_gen_err("page_cnt >= num_pages, page_cnt=%lx " - "num_pages=%lx page_4k_cnt=%lx num_4k=%lx", - pginfo->page_cnt, pginfo->num_pages, - pginfo->page_4k_cnt, pginfo->num_4k); - ret = -EFAULT; - goto ehca_set_pagebuf_1_exit0; - } - tmp_pbuf = pginfo->phys_buf_array + pginfo->next_buf; - num4k = ((tmp_pbuf->addr % EHCA_PAGESIZE) + tmp_pbuf->size + - EHCA_PAGESIZE - 1) / EHCA_PAGESIZE; - offs4k = (tmp_pbuf->addr & ~PAGE_MASK) / EHCA_PAGESIZE; - *rpage = phys_to_abs((tmp_pbuf->addr & EHCA_PAGEMASK) + - (pginfo->next_4k * EHCA_PAGESIZE)); - if ( !(*rpage) && tmp_pbuf->addr ) { - ehca_gen_err("tmp_pbuf->addr=%lx" - " tmp_pbuf->size=%lx next_4k=%lx", - tmp_pbuf->addr, tmp_pbuf->size, - pginfo->next_4k); - ret = -EFAULT; - goto ehca_set_pagebuf_1_exit0; - } - (pginfo->page_4k_cnt)++; - (pginfo->next_4k)++; - if (pginfo->next_4k % (PAGE_SIZE / EHCA_PAGESIZE) == 0) - (pginfo->page_cnt)++; - if (pginfo->next_4k >= offs4k + num4k) { - (pginfo->next_buf)++; - pginfo->next_4k = 0; - } - } else if (pginfo->type == EHCA_MR_PGI_USER) { - chunk = pginfo->next_chunk; - prev_chunk = pginfo->next_chunk; - list_for_each_entry_continue(chunk, - (&(pginfo->region->chunk_list)), - list) { - pgaddr = ( page_to_pfn(chunk->page_list[ - pginfo->next_nmap].page) - << PAGE_SHIFT); - *rpage = phys_to_abs(pgaddr + - (pginfo->next_4k * EHCA_PAGESIZE)); - if ( !(*rpage) ) { - ehca_gen_err("pgaddr=%lx chunk->page_list[]=%lx" - " next_nmap=%lx next_4k=%lx mr=%p", - pgaddr, (u64)sg_dma_address( - &chunk->page_list[ - pginfo-> - next_nmap]), - pginfo->next_nmap, pginfo->next_4k, - e_mr); - ret = -EFAULT; - goto ehca_set_pagebuf_1_exit0; - } - (pginfo->page_4k_cnt)++; - (pginfo->next_4k)++; - if (pginfo->next_4k % - (PAGE_SIZE / EHCA_PAGESIZE) == 0) { - (pginfo->page_cnt)++; - (pginfo->next_nmap)++; - pginfo->next_4k = 0; + struct ib_phys_buf *pbuf; + u64 num_hw, offs_hw; + u32 i = 0; + + /* loop over desired phys_buf_array entries */ + while (i < number) { + pbuf = pginfo->u.phy.phys_buf_array + pginfo->u.phy.next_buf; + num_hw = NUM_CHUNKS((pbuf->addr % pginfo->hwpage_size) + + pbuf->size, pginfo->hwpage_size); + offs_hw = (pbuf->addr & ~(pginfo->hwpage_size - 1)) / + pginfo->hwpage_size; + while (pginfo->next_hwpage < offs_hw + num_hw) { + /* sanity check */ + if ((pginfo->kpage_cnt >= pginfo->num_kpages) || + (pginfo->hwpage_cnt >= pginfo->num_hwpages)) { + ehca_gen_err("kpage_cnt >= num_kpages, " + "kpage_cnt=%lx num_kpages=%lx " + "hwpage_cnt=%lx " + "num_hwpages=%lx i=%x", + pginfo->kpage_cnt, + pginfo->num_kpages, + pginfo->hwpage_cnt, + pginfo->num_hwpages, i); + return -EFAULT; } - if (pginfo->next_nmap >= chunk->nmap) { - pginfo->next_nmap = 0; - prev_chunk = chunk; + *kpage = phys_to_abs( + (pbuf->addr & ~(pginfo->hwpage_size - 1)) + + (pginfo->next_hwpage * pginfo->hwpage_size)); + if ( !(*kpage) && pbuf->addr ) { + ehca_gen_err("pbuf->addr=%lx pbuf->size=%lx " + "next_hwpage=%lx", pbuf->addr, + pbuf->size, pginfo->next_hwpage); + return -EFAULT; } - break; + (pginfo->hwpage_cnt)++; + (pginfo->next_hwpage)++; + if (PAGE_SIZE >= pginfo->hwpage_size) { + if (pginfo->next_hwpage % + (PAGE_SIZE / pginfo->hwpage_size) == 0) + (pginfo->kpage_cnt)++; + } else + pginfo->kpage_cnt += pginfo->hwpage_size / + PAGE_SIZE; + kpage++; + i++; + if (i >= number) break; } - pginfo->next_chunk = - list_prepare_entry(prev_chunk, - (&(pginfo->region->chunk_list)), - list); - } else if (pginfo->type == EHCA_MR_PGI_FMR) { - fmrlist = pginfo->page_list + pginfo->next_listelem; - *rpage = phys_to_abs((*fmrlist & EHCA_PAGEMASK) + - pginfo->next_4k * EHCA_PAGESIZE); - if ( !(*rpage) ) { + if (pginfo->next_hwpage >= offs_hw + num_hw) { + (pginfo->u.phy.next_buf)++; + pginfo->next_hwpage = 0; + } + } + return ret; +} + +int ehca_set_pagebuf_fmr(struct ehca_mr_pginfo *pginfo, + u32 number, + u64 *kpage) +{ + int ret = 0; + u64 *fmrlist; + u32 i; + + /* loop over desired page_list entries */ + fmrlist = pginfo->u.fmr.page_list + pginfo->u.fmr.next_listelem; + for (i = 0; i < number; i++) { + *kpage = phys_to_abs((*fmrlist & ~(pginfo->hwpage_size - 1)) + + pginfo->next_hwpage * pginfo->hwpage_size); + if ( !(*kpage) ) { ehca_gen_err("*fmrlist=%lx fmrlist=%p " - "next_listelem=%lx next_4k=%lx", - *fmrlist, fmrlist, pginfo->next_listelem, - pginfo->next_4k); - ret = -EFAULT; - goto ehca_set_pagebuf_1_exit0; + "next_listelem=%lx next_hwpage=%lx", + *fmrlist, fmrlist, + pginfo->u.fmr.next_listelem, + pginfo->next_hwpage); + return -EFAULT; } - (pginfo->page_4k_cnt)++; - (pginfo->next_4k)++; - if (pginfo->next_4k % - (e_mr->fmr_page_size / EHCA_PAGESIZE) == 0) { - (pginfo->page_cnt)++; - (pginfo->next_listelem)++; - pginfo->next_4k = 0; + (pginfo->hwpage_cnt)++; + if (pginfo->u.fmr.fmr_pgsize >= pginfo->hwpage_size) { + if (pginfo->next_hwpage % + (pginfo->u.fmr.fmr_pgsize / + pginfo->hwpage_size) == 0) { + (pginfo->kpage_cnt)++; + (pginfo->u.fmr.next_listelem)++; + fmrlist++; + pginfo->next_hwpage = 0; + } else + (pginfo->next_hwpage)++; + } else { + unsigned int cnt_per_hwpage = pginfo->hwpage_size / + pginfo->u.fmr.fmr_pgsize; + unsigned int j; + u64 prev = *kpage; + /* check if adrs are contiguous */ + for (j = 1; j < cnt_per_hwpage; j++) { + u64 p = phys_to_abs(fmrlist[j] & + ~(pginfo->hwpage_size - 1)); + if (prev + pginfo->u.fmr.fmr_pgsize != p) { + ehca_gen_err("uncontiguous fmr pages " + "found prev=%lx p=%lx " + "idx=%x", prev, p, i + j); + return -EINVAL; + } + prev = p; + } + pginfo->kpage_cnt += cnt_per_hwpage; + pginfo->u.fmr.next_listelem += cnt_per_hwpage; + fmrlist += cnt_per_hwpage; } - } else { + kpage++; + } + return ret; +} + +/* setup page buffer from page info */ +int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo, + u32 number, + u64 *kpage) +{ + int ret; + + switch (pginfo->type) { + case EHCA_MR_PGI_PHYS: + ret = ehca_set_pagebuf_phys(pginfo, number, kpage); + break; + case EHCA_MR_PGI_USER: + ret = PAGE_SIZE >= pginfo->hwpage_size ? + ehca_set_pagebuf_user1(pginfo, number, kpage) : + ehca_set_pagebuf_user2(pginfo, number, kpage); + break; + case EHCA_MR_PGI_FMR: + ret = ehca_set_pagebuf_fmr(pginfo, number, kpage); + break; + default: ehca_gen_err("bad pginfo->type=%x", pginfo->type); ret = -EFAULT; - goto ehca_set_pagebuf_1_exit0; + break; } - -ehca_set_pagebuf_1_exit0: - if (ret) - ehca_gen_err("ret=%x e_mr=%p pginfo=%p type=%x num_pages=%lx " - "num_4k=%lx next_buf=%lx next_4k=%lx rpage=%p " - "page_cnt=%lx page_4k_cnt=%lx next_listelem=%lx " - "region=%p next_chunk=%p next_nmap=%lx", ret, e_mr, - pginfo, pginfo->type, pginfo->num_pages, - pginfo->num_4k, pginfo->next_buf, pginfo->next_4k, - rpage, pginfo->page_cnt, pginfo->page_4k_cnt, - pginfo->next_listelem, pginfo->region, - pginfo->next_chunk, pginfo->next_nmap); return ret; -} /* end ehca_set_pagebuf_1() */ +} /* end ehca_set_pagebuf() */ /*----------------------------------------------------------------------*/ @@ -1982,7 +2115,7 @@ int ehca_mr_is_maxmr(u64 size, { /* a MR is treated as max-MR only if it fits following: */ if ((size == ((u64)high_memory - PAGE_OFFSET)) && - (iova_start == (void*)KERNELBASE)) { + (iova_start == (void *)KERNELBASE)) { ehca_gen_dbg("this is a max-MR"); return 1; } else @@ -2011,9 +2144,9 @@ void ehca_mrmw_map_acl(int ib_acl, /*----------------------------------------------------------------------*/ /* sets page size in hipz access control for MR/MW. */ -void ehca_mrmw_set_pgsize_hipz_acl(u32 *hipz_acl) /*INOUT*/ +void ehca_mrmw_set_pgsize_hipz_acl(u32 pgsize, u32 *hipz_acl) /*INOUT*/ { - return; /* HCA supports only 4k */ + *hipz_acl |= (ehca_encode_hwpage_size(pgsize) << 24); } /* end ehca_mrmw_set_pgsize_hipz_acl() */ /*----------------------------------------------------------------------*/ @@ -2042,196 +2175,23 @@ void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl, /*----------------------------------------------------------------------*/ /* - * map HIPZ rc to IB retcodes for MR/MW allocations - * Used for hipz_mr_reg_alloc and hipz_mw_alloc. - */ -int ehca_mrmw_map_hrc_alloc(const u64 hipz_rc) -{ - switch (hipz_rc) { - case H_SUCCESS: /* successful completion */ - return 0; - case H_NOT_ENOUGH_RESOURCES: /* insufficient resources */ - case H_CONSTRAINED: /* resource constraint */ - case H_NO_MEM: - return -ENOMEM; - case H_BUSY: /* long busy */ - return -EBUSY; - default: - return -EINVAL; - } -} /* end ehca_mrmw_map_hrc_alloc() */ - -/*----------------------------------------------------------------------*/ - -/* - * map HIPZ rc to IB retcodes for MR register rpage - * Used for hipz_h_register_rpage_mr at registering last page - */ -int ehca_mrmw_map_hrc_rrpg_last(const u64 hipz_rc) -{ - switch (hipz_rc) { - case H_SUCCESS: /* registration complete */ - return 0; - case H_PAGE_REGISTERED: /* page registered */ - case H_ADAPTER_PARM: /* invalid adapter handle */ - case H_RH_PARM: /* invalid resource handle */ -/* case H_QT_PARM: invalid queue type */ - case H_PARAMETER: /* - * invalid logical address, - * or count zero or greater 512 - */ - case H_TABLE_FULL: /* page table full */ - case H_HARDWARE: /* HCA not operational */ - return -EINVAL; - case H_BUSY: /* long busy */ - return -EBUSY; - default: - return -EINVAL; - } -} /* end ehca_mrmw_map_hrc_rrpg_last() */ - -/*----------------------------------------------------------------------*/ - -/* - * map HIPZ rc to IB retcodes for MR register rpage - * Used for hipz_h_register_rpage_mr at registering one page, but not last page - */ -int ehca_mrmw_map_hrc_rrpg_notlast(const u64 hipz_rc) -{ - switch (hipz_rc) { - case H_PAGE_REGISTERED: /* page registered */ - return 0; - case H_SUCCESS: /* registration complete */ - case H_ADAPTER_PARM: /* invalid adapter handle */ - case H_RH_PARM: /* invalid resource handle */ -/* case H_QT_PARM: invalid queue type */ - case H_PARAMETER: /* - * invalid logical address, - * or count zero or greater 512 - */ - case H_TABLE_FULL: /* page table full */ - case H_HARDWARE: /* HCA not operational */ - return -EINVAL; - case H_BUSY: /* long busy */ - return -EBUSY; - default: - return -EINVAL; - } -} /* end ehca_mrmw_map_hrc_rrpg_notlast() */ - -/*----------------------------------------------------------------------*/ - -/* map HIPZ rc to IB retcodes for MR query. Used for hipz_mr_query. */ -int ehca_mrmw_map_hrc_query_mr(const u64 hipz_rc) -{ - switch (hipz_rc) { - case H_SUCCESS: /* successful completion */ - return 0; - case H_ADAPTER_PARM: /* invalid adapter handle */ - case H_RH_PARM: /* invalid resource handle */ - return -EINVAL; - case H_BUSY: /* long busy */ - return -EBUSY; - default: - return -EINVAL; - } -} /* end ehca_mrmw_map_hrc_query_mr() */ - -/*----------------------------------------------------------------------*/ -/*----------------------------------------------------------------------*/ - -/* - * map HIPZ rc to IB retcodes for freeing MR resource - * Used for hipz_h_free_resource_mr - */ -int ehca_mrmw_map_hrc_free_mr(const u64 hipz_rc) -{ - switch (hipz_rc) { - case H_SUCCESS: /* resource freed */ - return 0; - case H_ADAPTER_PARM: /* invalid adapter handle */ - case H_RH_PARM: /* invalid resource handle */ - case H_R_STATE: /* invalid resource state */ - case H_HARDWARE: /* HCA not operational */ - return -EINVAL; - case H_RESOURCE: /* Resource in use */ - case H_BUSY: /* long busy */ - return -EBUSY; - default: - return -EINVAL; - } -} /* end ehca_mrmw_map_hrc_free_mr() */ - -/*----------------------------------------------------------------------*/ - -/* - * map HIPZ rc to IB retcodes for freeing MW resource - * Used for hipz_h_free_resource_mw - */ -int ehca_mrmw_map_hrc_free_mw(const u64 hipz_rc) -{ - switch (hipz_rc) { - case H_SUCCESS: /* resource freed */ - return 0; - case H_ADAPTER_PARM: /* invalid adapter handle */ - case H_RH_PARM: /* invalid resource handle */ - case H_R_STATE: /* invalid resource state */ - case H_HARDWARE: /* HCA not operational */ - return -EINVAL; - case H_RESOURCE: /* Resource in use */ - case H_BUSY: /* long busy */ - return -EBUSY; - default: - return -EINVAL; - } -} /* end ehca_mrmw_map_hrc_free_mw() */ - -/*----------------------------------------------------------------------*/ - -/* - * map HIPZ rc to IB retcodes for SMR registrations - * Used for hipz_h_register_smr. - */ -int ehca_mrmw_map_hrc_reg_smr(const u64 hipz_rc) -{ - switch (hipz_rc) { - case H_SUCCESS: /* successful completion */ - return 0; - case H_ADAPTER_PARM: /* invalid adapter handle */ - case H_RH_PARM: /* invalid resource handle */ - case H_MEM_PARM: /* invalid MR virtual address */ - case H_MEM_ACCESS_PARM: /* invalid access controls */ - case H_NOT_ENOUGH_RESOURCES: /* insufficient resources */ - return -EINVAL; - case H_BUSY: /* long busy */ - return -EBUSY; - default: - return -EINVAL; - } -} /* end ehca_mrmw_map_hrc_reg_smr() */ - -/*----------------------------------------------------------------------*/ - -/* * MR destructor and constructor * used in Reregister MR verb, sets all fields in ehca_mr_t to 0, * except struct ib_mr and spinlock */ void ehca_mr_deletenew(struct ehca_mr *mr) { - mr->flags = 0; - mr->num_pages = 0; - mr->num_4k = 0; - mr->acl = 0; - mr->start = NULL; + mr->flags = 0; + mr->num_kpages = 0; + mr->num_hwpages = 0; + mr->acl = 0; + mr->start = NULL; mr->fmr_page_size = 0; mr->fmr_max_pages = 0; - mr->fmr_max_maps = 0; - mr->fmr_map_cnt = 0; + mr->fmr_max_maps = 0; + mr->fmr_map_cnt = 0; memset(&mr->ipz_mr_handle, 0, sizeof(mr->ipz_mr_handle)); memset(&mr->galpas, 0, sizeof(mr->galpas)); - mr->nr_of_pages = 0; - mr->pagearray = NULL; } /* end ehca_mr_deletenew() */ int ehca_init_mrmw_cache(void) @@ -2239,13 +2199,13 @@ int ehca_init_mrmw_cache(void) mr_cache = kmem_cache_create("ehca_cache_mr", sizeof(struct ehca_mr), 0, SLAB_HWCACHE_ALIGN, - NULL, NULL); + NULL); if (!mr_cache) return -ENOMEM; mw_cache = kmem_cache_create("ehca_cache_mw", sizeof(struct ehca_mw), 0, SLAB_HWCACHE_ALIGN, - NULL, NULL); + NULL); if (!mw_cache) { kmem_cache_destroy(mr_cache); mr_cache = NULL; |