diff options
author | Doug Ledford <dledford@redhat.com> | 2016-02-03 11:08:53 -0500 |
---|---|---|
committer | Doug Ledford <dledford@redhat.com> | 2016-02-03 11:08:53 -0500 |
commit | e581d111dad3781266ae1abe1d2848e69406deb5 (patch) | |
tree | 1c38b43046f91fb9328e1bf40b2dc58a2fc753e2 /drivers/staging | |
parent | f5e741b7c7dddefa318b7f91af134f8ae2a342c1 (diff) |
staging/rdma: remove deprecated ehca driver
This driver was moved to staging for eventual deletion. Time
to complete that task.
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/staging')
34 files changed, 0 insertions, 13575 deletions
diff --git a/drivers/staging/rdma/Kconfig b/drivers/staging/rdma/Kconfig index 1624bc43e304..8a0be6961d7a 100644 --- a/drivers/staging/rdma/Kconfig +++ b/drivers/staging/rdma/Kconfig @@ -22,8 +22,6 @@ menuconfig STAGING_RDMA # Please keep entries in alphabetic order if STAGING_RDMA -source "drivers/staging/rdma/ehca/Kconfig" - source "drivers/staging/rdma/hfi1/Kconfig" source "drivers/staging/rdma/ipath/Kconfig" diff --git a/drivers/staging/rdma/Makefile b/drivers/staging/rdma/Makefile index 2217d6778669..08e1919c819e 100644 --- a/drivers/staging/rdma/Makefile +++ b/drivers/staging/rdma/Makefile @@ -1,4 +1,3 @@ # Entries for RDMA_STAGING tree -obj-$(CONFIG_INFINIBAND_EHCA) += ehca/ obj-$(CONFIG_INFINIBAND_HFI1) += hfi1/ obj-$(CONFIG_INFINIBAND_IPATH) += ipath/ diff --git a/drivers/staging/rdma/ehca/Kconfig b/drivers/staging/rdma/ehca/Kconfig deleted file mode 100644 index 3fadd2ad6426..000000000000 --- a/drivers/staging/rdma/ehca/Kconfig +++ /dev/null @@ -1,10 +0,0 @@ -config INFINIBAND_EHCA - tristate "eHCA support" - depends on IBMEBUS - ---help--- - This driver supports the deprecated IBM pSeries eHCA InfiniBand - adapter. - - To compile the driver as a module, choose M here. The module - will be called ib_ehca. - diff --git a/drivers/staging/rdma/ehca/Makefile b/drivers/staging/rdma/ehca/Makefile deleted file mode 100644 index 74d284e46a40..000000000000 --- a/drivers/staging/rdma/ehca/Makefile +++ /dev/null @@ -1,16 +0,0 @@ -# Authors: Heiko J Schick <schickhj@de.ibm.com> -# Christoph Raisch <raisch@de.ibm.com> -# Joachim Fenkes <fenkes@de.ibm.com> -# -# Copyright (c) 2005 IBM Corporation -# -# All rights reserved. -# -# This source code is distributed under a dual license of GPL v2.0 and OpenIB BSD. - -obj-$(CONFIG_INFINIBAND_EHCA) += ib_ehca.o - -ib_ehca-objs = ehca_main.o ehca_hca.o ehca_mcast.o ehca_pd.o ehca_av.o ehca_eq.o \ - ehca_cq.o ehca_qp.o ehca_sqp.o ehca_mrmw.o ehca_reqs.o ehca_irq.o \ - ehca_uverbs.o ipz_pt_fn.o hcp_if.o hcp_phyp.o - diff --git a/drivers/staging/rdma/ehca/TODO b/drivers/staging/rdma/ehca/TODO deleted file mode 100644 index 199a4a600142..000000000000 --- a/drivers/staging/rdma/ehca/TODO +++ /dev/null @@ -1,4 +0,0 @@ -9/2015 - -The ehca driver has been deprecated and moved to drivers/staging/rdma. -It will be removed in the 4.6 merge window. diff --git a/drivers/staging/rdma/ehca/ehca_av.c b/drivers/staging/rdma/ehca/ehca_av.c deleted file mode 100644 index 94e088c2d989..000000000000 --- a/drivers/staging/rdma/ehca/ehca_av.c +++ /dev/null @@ -1,279 +0,0 @@ -/* - * IBM eServer eHCA Infiniband device driver for Linux on POWER - * - * address vector functions - * - * Authors: Hoang-Nam Nguyen <hnguyen@de.ibm.com> - * Khadija Souissi <souissik@de.ibm.com> - * Reinhard Ernst <rernst@de.ibm.com> - * Christoph Raisch <raisch@de.ibm.com> - * - * Copyright (c) 2005 IBM Corporation - * - * All rights reserved. - * - * This source code is distributed under a dual license of GPL v2.0 and OpenIB - * BSD. - * - * OpenIB BSD License - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER - * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <linux/slab.h> - -#include "ehca_tools.h" -#include "ehca_iverbs.h" -#include "hcp_if.h" - -static struct kmem_cache *av_cache; - -int ehca_calc_ipd(struct ehca_shca *shca, int port, - enum ib_rate path_rate, u32 *ipd) -{ - int path = ib_rate_to_mult(path_rate); - int link, ret; - struct ib_port_attr pa; - - if (path_rate == IB_RATE_PORT_CURRENT) { - *ipd = 0; - return 0; - } - - if (unlikely(path < 0)) { - ehca_err(&shca->ib_device, "Invalid static rate! path_rate=%x", - path_rate); - return -EINVAL; - } - - ret = ehca_query_port(&shca->ib_device, port, &pa); - if (unlikely(ret < 0)) { - ehca_err(&shca->ib_device, "Failed to query port ret=%i", ret); - return ret; - } - - link = ib_width_enum_to_int(pa.active_width) * pa.active_speed; - - if (path >= link) - /* no need to throttle if path faster than link */ - *ipd = 0; - else - /* IPD = round((link / path) - 1) */ - *ipd = ((link + (path >> 1)) / path) - 1; - - return 0; -} - -struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr) -{ - int ret; - struct ehca_av *av; - struct ehca_shca *shca = container_of(pd->device, struct ehca_shca, - ib_device); - - av = kmem_cache_alloc(av_cache, GFP_KERNEL); - if (!av) { - ehca_err(pd->device, "Out of memory pd=%p ah_attr=%p", - pd, ah_attr); - return ERR_PTR(-ENOMEM); - } - - av->av.sl = ah_attr->sl; - av->av.dlid = ah_attr->dlid; - av->av.slid_path_bits = ah_attr->src_path_bits; - - if (ehca_static_rate < 0) { - u32 ipd; - - if (ehca_calc_ipd(shca, ah_attr->port_num, - ah_attr->static_rate, &ipd)) { - ret = -EINVAL; - goto create_ah_exit1; - } - av->av.ipd = ipd; - } else - av->av.ipd = ehca_static_rate; - - av->av.lnh = ah_attr->ah_flags; - av->av.grh.word_0 = EHCA_BMASK_SET(GRH_IPVERSION_MASK, 6); - av->av.grh.word_0 |= EHCA_BMASK_SET(GRH_TCLASS_MASK, - ah_attr->grh.traffic_class); - av->av.grh.word_0 |= EHCA_BMASK_SET(GRH_FLOWLABEL_MASK, - ah_attr->grh.flow_label); - av->av.grh.word_0 |= EHCA_BMASK_SET(GRH_HOPLIMIT_MASK, - ah_attr->grh.hop_limit); - av->av.grh.word_0 |= EHCA_BMASK_SET(GRH_NEXTHEADER_MASK, 0x1B); - /* set sgid in grh.word_1 */ - if (ah_attr->ah_flags & IB_AH_GRH) { - int rc; - struct ib_port_attr port_attr; - union ib_gid gid; - - memset(&port_attr, 0, sizeof(port_attr)); - rc = ehca_query_port(pd->device, ah_attr->port_num, - &port_attr); - if (rc) { /* invalid port number */ - ret = -EINVAL; - ehca_err(pd->device, "Invalid port number " - "ehca_query_port() returned %x " - "pd=%p ah_attr=%p", rc, pd, ah_attr); - goto create_ah_exit1; - } - memset(&gid, 0, sizeof(gid)); - rc = ehca_query_gid(pd->device, - ah_attr->port_num, - ah_attr->grh.sgid_index, &gid); - if (rc) { - ret = -EINVAL; - ehca_err(pd->device, "Failed to retrieve sgid " - "ehca_query_gid() returned %x " - "pd=%p ah_attr=%p", rc, pd, ah_attr); - goto create_ah_exit1; - } - memcpy(&av->av.grh.word_1, &gid, sizeof(gid)); - } - av->av.pmtu = shca->max_mtu; - - /* dgid comes in grh.word_3 */ - memcpy(&av->av.grh.word_3, &ah_attr->grh.dgid, - sizeof(ah_attr->grh.dgid)); - - return &av->ib_ah; - -create_ah_exit1: - kmem_cache_free(av_cache, av); - - return ERR_PTR(ret); -} - -int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr) -{ - struct ehca_av *av; - struct ehca_ud_av new_ehca_av; - struct ehca_shca *shca = container_of(ah->pd->device, struct ehca_shca, - ib_device); - - memset(&new_ehca_av, 0, sizeof(new_ehca_av)); - new_ehca_av.sl = ah_attr->sl; - new_ehca_av.dlid = ah_attr->dlid; - new_ehca_av.slid_path_bits = ah_attr->src_path_bits; - new_ehca_av.ipd = ah_attr->static_rate; - new_ehca_av.lnh = EHCA_BMASK_SET(GRH_FLAG_MASK, - (ah_attr->ah_flags & IB_AH_GRH) > 0); - new_ehca_av.grh.word_0 = EHCA_BMASK_SET(GRH_TCLASS_MASK, - ah_attr->grh.traffic_class); - new_ehca_av.grh.word_0 |= EHCA_BMASK_SET(GRH_FLOWLABEL_MASK, - ah_attr->grh.flow_label); - new_ehca_av.grh.word_0 |= EHCA_BMASK_SET(GRH_HOPLIMIT_MASK, - ah_attr->grh.hop_limit); - new_ehca_av.grh.word_0 |= EHCA_BMASK_SET(GRH_NEXTHEADER_MASK, 0x1b); - - /* set sgid in grh.word_1 */ - if (ah_attr->ah_flags & IB_AH_GRH) { - int rc; - struct ib_port_attr port_attr; - union ib_gid gid; - - memset(&port_attr, 0, sizeof(port_attr)); - rc = ehca_query_port(ah->device, ah_attr->port_num, - &port_attr); - if (rc) { /* invalid port number */ - ehca_err(ah->device, "Invalid port number " - "ehca_query_port() returned %x " - "ah=%p ah_attr=%p port_num=%x", - rc, ah, ah_attr, ah_attr->port_num); - return -EINVAL; - } - memset(&gid, 0, sizeof(gid)); - rc = ehca_query_gid(ah->device, - ah_attr->port_num, - ah_attr->grh.sgid_index, &gid); - if (rc) { - ehca_err(ah->device, "Failed to retrieve sgid " - "ehca_query_gid() returned %x " - "ah=%p ah_attr=%p port_num=%x " - "sgid_index=%x", - rc, ah, ah_attr, ah_attr->port_num, - ah_attr->grh.sgid_index); - return -EINVAL; - } - memcpy(&new_ehca_av.grh.word_1, &gid, sizeof(gid)); - } - - new_ehca_av.pmtu = shca->max_mtu; - - memcpy(&new_ehca_av.grh.word_3, &ah_attr->grh.dgid, - sizeof(ah_attr->grh.dgid)); - - av = container_of(ah, struct ehca_av, ib_ah); - av->av = new_ehca_av; - - return 0; -} - -int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr) -{ - struct ehca_av *av = container_of(ah, struct ehca_av, ib_ah); - - memcpy(&ah_attr->grh.dgid, &av->av.grh.word_3, - sizeof(ah_attr->grh.dgid)); - ah_attr->sl = av->av.sl; - - ah_attr->dlid = av->av.dlid; - - ah_attr->src_path_bits = av->av.slid_path_bits; - ah_attr->static_rate = av->av.ipd; - ah_attr->ah_flags = EHCA_BMASK_GET(GRH_FLAG_MASK, av->av.lnh); - ah_attr->grh.traffic_class = EHCA_BMASK_GET(GRH_TCLASS_MASK, - av->av.grh.word_0); - ah_attr->grh.hop_limit = EHCA_BMASK_GET(GRH_HOPLIMIT_MASK, - av->av.grh.word_0); - ah_attr->grh.flow_label = EHCA_BMASK_GET(GRH_FLOWLABEL_MASK, - av->av.grh.word_0); - - return 0; -} - -int ehca_destroy_ah(struct ib_ah *ah) -{ - kmem_cache_free(av_cache, container_of(ah, struct ehca_av, ib_ah)); - - return 0; -} - -int ehca_init_av_cache(void) -{ - av_cache = kmem_cache_create("ehca_cache_av", - sizeof(struct ehca_av), 0, - SLAB_HWCACHE_ALIGN, - NULL); - if (!av_cache) - return -ENOMEM; - return 0; -} - -void ehca_cleanup_av_cache(void) -{ - kmem_cache_destroy(av_cache); -} diff --git a/drivers/staging/rdma/ehca/ehca_classes.h b/drivers/staging/rdma/ehca/ehca_classes.h deleted file mode 100644 index e8c3387d7aaa..000000000000 --- a/drivers/staging/rdma/ehca/ehca_classes.h +++ /dev/null @@ -1,481 +0,0 @@ -/* - * IBM eServer eHCA Infiniband device driver for Linux on POWER - * - * Struct definition for eHCA internal structures - * - * Authors: Heiko J Schick <schickhj@de.ibm.com> - * Christoph Raisch <raisch@de.ibm.com> - * Joachim Fenkes <fenkes@de.ibm.com> - * - * Copyright (c) 2005 IBM Corporation - * - * All rights reserved. - * - * This source code is distributed under a dual license of GPL v2.0 and OpenIB - * BSD. - * - * OpenIB BSD License - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER - * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __EHCA_CLASSES_H__ -#define __EHCA_CLASSES_H__ - -struct ehca_module; -struct ehca_qp; -struct ehca_cq; -struct ehca_eq; -struct ehca_mr; -struct ehca_mw; -struct ehca_pd; -struct ehca_av; - -#include <linux/wait.h> -#include <linux/mutex.h> - -#include <rdma/ib_verbs.h> -#include <rdma/ib_user_verbs.h> - -#ifdef CONFIG_PPC64 -#include "ehca_classes_pSeries.h" -#endif -#include "ipz_pt_fn.h" -#include "ehca_qes.h" -#include "ehca_irq.h" - -#define EHCA_EQE_CACHE_SIZE 20 -#define EHCA_MAX_NUM_QUEUES 0xffff - -struct ehca_eqe_cache_entry { - struct ehca_eqe *eqe; - struct ehca_cq *cq; -}; - -struct ehca_eq { - u32 length; - struct ipz_queue ipz_queue; - struct ipz_eq_handle ipz_eq_handle; - struct work_struct work; - struct h_galpas galpas; - int is_initialized; - struct ehca_pfeq pf; - spinlock_t spinlock; - struct tasklet_struct interrupt_task; - u32 ist; - spinlock_t irq_spinlock; - struct ehca_eqe_cache_entry eqe_cache[EHCA_EQE_CACHE_SIZE]; -}; - -struct ehca_sma_attr { - u16 lid, lmc, sm_sl, sm_lid; - u16 pkey_tbl_len, pkeys[16]; -}; - -struct ehca_sport { - struct ib_cq *ibcq_aqp1; - struct ib_qp *ibqp_sqp[2]; - /* lock to serialze modify_qp() calls for sqp in normal - * and irq path (when event PORT_ACTIVE is received first time) - */ - spinlock_t mod_sqp_lock; - enum ib_port_state port_state; - struct ehca_sma_attr saved_attr; - u32 pma_qp_nr; -}; - -#define HCA_CAP_MR_PGSIZE_4K 0x80000000 -#define HCA_CAP_MR_PGSIZE_64K 0x40000000 -#define HCA_CAP_MR_PGSIZE_1M 0x20000000 -#define HCA_CAP_MR_PGSIZE_16M 0x10000000 - -struct ehca_shca { - struct ib_device ib_device; - struct platform_device *ofdev; - u8 num_ports; - int hw_level; - struct list_head shca_list; - struct ipz_adapter_handle ipz_hca_handle; - struct ehca_sport sport[2]; - struct ehca_eq eq; - struct ehca_eq neq; - struct ehca_mr *maxmr; - struct ehca_pd *pd; - struct h_galpas galpas; - struct mutex modify_mutex; - u64 hca_cap; - /* MR pgsize: bit 0-3 means 4K, 64K, 1M, 16M respectively */ - u32 hca_cap_mr_pgsize; - int max_mtu; - int max_num_qps; - int max_num_cqs; - atomic_t num_cqs; - atomic_t num_qps; -}; - -struct ehca_pd { - struct ib_pd ib_pd; - struct ipz_pd fw_pd; - /* small queue mgmt */ - struct mutex lock; - struct list_head free[2]; - struct list_head full[2]; -}; - -enum ehca_ext_qp_type { - EQPT_NORMAL = 0, - EQPT_LLQP = 1, - EQPT_SRQBASE = 2, - EQPT_SRQ = 3, -}; - -/* struct to cache modify_qp()'s parms for GSI/SMI qp */ -struct ehca_mod_qp_parm { - int mask; - struct ib_qp_attr attr; -}; - -#define EHCA_MOD_QP_PARM_MAX 4 - -#define QMAP_IDX_MASK 0xFFFFULL - -/* struct for tracking if cqes have been reported to the application */ -struct ehca_qmap_entry { - u16 app_wr_id; - u8 reported; - u8 cqe_req; -}; - -struct ehca_queue_map { - struct ehca_qmap_entry *map; - unsigned int entries; - unsigned int tail; - unsigned int left_to_poll; - unsigned int next_wqe_idx; /* Idx to first wqe to be flushed */ -}; - -/* function to calculate the next index for the qmap */ -static inline unsigned int next_index(unsigned int cur_index, unsigned int limit) -{ - unsigned int temp = cur_index + 1; - return (temp == limit) ? 0 : temp; -} - -struct ehca_qp { - union { - struct ib_qp ib_qp; - struct ib_srq ib_srq; - }; - u32 qp_type; - enum ehca_ext_qp_type ext_type; - enum ib_qp_state state; - struct ipz_queue ipz_squeue; - struct ehca_queue_map sq_map; - struct ipz_queue ipz_rqueue; - struct ehca_queue_map rq_map; - struct h_galpas galpas; - u32 qkey; - u32 real_qp_num; - u32 token; - spinlock_t spinlock_s; - spinlock_t spinlock_r; - u32 sq_max_inline_data_size; - struct ipz_qp_handle ipz_qp_handle; - struct ehca_pfqp pf; - struct ib_qp_init_attr init_attr; - struct ehca_cq *send_cq; - struct ehca_cq *recv_cq; - unsigned int sqerr_purgeflag; - struct hlist_node list_entries; - /* array to cache modify_qp()'s parms for GSI/SMI qp */ - struct ehca_mod_qp_parm *mod_qp_parm; - int mod_qp_parm_idx; - /* mmap counter for resources mapped into user space */ - u32 mm_count_squeue; - u32 mm_count_rqueue; - u32 mm_count_galpa; - /* unsolicited ack circumvention */ - int unsol_ack_circ; - int mtu_shift; - u32 message_count; - u32 packet_count; - atomic_t nr_events; /* events seen */ - wait_queue_head_t wait_completion; - int mig_armed; - struct list_head sq_err_node; - struct list_head rq_err_node; -}; - -#define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ) -#define HAS_SQ(qp) (qp->ext_type != EQPT_SRQ) -#define HAS_RQ(qp) (qp->ext_type != EQPT_SRQBASE) - -/* must be power of 2 */ -#define QP_HASHTAB_LEN 8 - -struct ehca_cq { - struct ib_cq ib_cq; - struct ipz_queue ipz_queue; - struct h_galpas galpas; - spinlock_t spinlock; - u32 cq_number; - u32 token; - u32 nr_of_entries; - struct ipz_cq_handle ipz_cq_handle; - struct ehca_pfcq pf; - spinlock_t cb_lock; - struct hlist_head qp_hashtab[QP_HASHTAB_LEN]; - struct list_head entry; - u32 nr_callbacks; /* #events assigned to cpu by scaling code */ - atomic_t nr_events; /* #events seen */ - wait_queue_head_t wait_completion; - spinlock_t task_lock; - /* mmap counter for resources mapped into user space */ - u32 mm_count_queue; - u32 mm_count_galpa; - struct list_head sqp_err_list; - struct list_head rqp_err_list; -}; - -enum ehca_mr_flag { - EHCA_MR_FLAG_FMR = 0x80000000, /* FMR, created with ehca_alloc_fmr */ - EHCA_MR_FLAG_MAXMR = 0x40000000, /* max-MR */ -}; - -struct ehca_mr { - union { - struct ib_mr ib_mr; /* must always be first in ehca_mr */ - struct ib_fmr ib_fmr; /* must always be first in ehca_mr */ - } ib; - struct ib_umem *umem; - spinlock_t mrlock; - - enum ehca_mr_flag flags; - u32 num_kpages; /* number of kernel pages */ - u32 num_hwpages; /* number of hw pages to form MR */ - u64 hwpage_size; /* hw page size used for this MR */ - int acl; /* ACL (stored here for usage in reregister) */ - u64 *start; /* virtual start address (stored here for */ - /* usage in reregister) */ - u64 size; /* size (stored here for usage in reregister) */ - u32 fmr_page_size; /* page size for FMR */ - u32 fmr_max_pages; /* max pages for FMR */ - u32 fmr_max_maps; /* max outstanding maps for FMR */ - u32 fmr_map_cnt; /* map counter for FMR */ - /* fw specific data */ - struct ipz_mrmw_handle ipz_mr_handle; /* MR handle for h-calls */ - struct h_galpas galpas; -}; - -struct ehca_mw { - struct ib_mw ib_mw; /* gen2 mw, must always be first in ehca_mw */ - spinlock_t mwlock; - - u8 never_bound; /* indication MW was never bound */ - struct ipz_mrmw_handle ipz_mw_handle; /* MW handle for h-calls */ - struct h_galpas galpas; -}; - -enum ehca_mr_pgi_type { - EHCA_MR_PGI_PHYS = 1, /* type of ehca_reg_phys_mr, - * ehca_rereg_phys_mr, - * ehca_reg_internal_maxmr */ - EHCA_MR_PGI_USER = 2, /* type of ehca_reg_user_mr */ - EHCA_MR_PGI_FMR = 3 /* type of ehca_map_phys_fmr */ -}; - -struct ehca_mr_pginfo { - enum ehca_mr_pgi_type type; - u64 num_kpages; - u64 kpage_cnt; - u64 hwpage_size; /* hw page size used for this MR */ - u64 num_hwpages; /* number of hw pages */ - u64 hwpage_cnt; /* counter for hw pages */ - u64 next_hwpage; /* next hw page in buffer/chunk/listelem */ - - union { - struct { /* type EHCA_MR_PGI_PHYS section */ - u64 addr; - u16 size; - } phy; - struct { /* type EHCA_MR_PGI_USER section */ - struct ib_umem *region; - struct scatterlist *next_sg; - u64 next_nmap; - } usr; - struct { /* type EHCA_MR_PGI_FMR section */ - u64 fmr_pgsize; - u64 *page_list; - u64 next_listelem; - } fmr; - } u; -}; - -/* output parameters for MR/FMR hipz calls */ -struct ehca_mr_hipzout_parms { - struct ipz_mrmw_handle handle; - u32 lkey; - u32 rkey; - u64 len; - u64 vaddr; - u32 acl; -}; - -/* output parameters for MW hipz calls */ -struct ehca_mw_hipzout_parms { - struct ipz_mrmw_handle handle; - u32 rkey; -}; - -struct ehca_av { - struct ib_ah ib_ah; - struct ehca_ud_av av; -}; - -struct ehca_ucontext { - struct ib_ucontext ib_ucontext; -}; - -int ehca_init_pd_cache(void); -void ehca_cleanup_pd_cache(void); -int ehca_init_cq_cache(void); -void ehca_cleanup_cq_cache(void); -int ehca_init_qp_cache(void); -void ehca_cleanup_qp_cache(void); -int ehca_init_av_cache(void); -void ehca_cleanup_av_cache(void); -int ehca_init_mrmw_cache(void); -void ehca_cleanup_mrmw_cache(void); -int ehca_init_small_qp_cache(void); -void ehca_cleanup_small_qp_cache(void); - -extern rwlock_t ehca_qp_idr_lock; -extern rwlock_t ehca_cq_idr_lock; -extern struct idr ehca_qp_idr; -extern struct idr ehca_cq_idr; -extern spinlock_t shca_list_lock; - -extern int ehca_static_rate; -extern int ehca_port_act_time; -extern bool ehca_use_hp_mr; -extern bool ehca_scaling_code; -extern int ehca_lock_hcalls; -extern int ehca_nr_ports; -extern int ehca_max_cq; -extern int ehca_max_qp; - -struct ipzu_queue_resp { - u32 qe_size; /* queue entry size */ - u32 act_nr_of_sg; - u32 queue_length; /* queue length allocated in bytes */ - u32 pagesize; - u32 toggle_state; - u32 offset; /* save offset within a page for small_qp */ -}; - -struct ehca_create_cq_resp { - u32 cq_number; - u32 token; - struct ipzu_queue_resp ipz_queue; - u32 fw_handle_ofs; - u32 dummy; -}; - -struct ehca_create_qp_resp { - u32 qp_num; - u32 token; - u32 qp_type; - u32 ext_type; - u32 qkey; - /* qp_num assigned by ehca: sqp0/1 may have got different numbers */ - u32 real_qp_num; - u32 fw_handle_ofs; - u32 dummy; - struct ipzu_queue_resp ipz_squeue; - struct ipzu_queue_resp ipz_rqueue; -}; - -struct ehca_alloc_cq_parms { - u32 nr_cqe; - u32 act_nr_of_entries; - u32 act_pages; - struct ipz_eq_handle eq_handle; -}; - -enum ehca_service_type { - ST_RC = 0, - ST_UC = 1, - ST_RD = 2, - ST_UD = 3, -}; - -enum ehca_ll_comp_flags { - LLQP_SEND_COMP = 0x20, - LLQP_RECV_COMP = 0x40, - LLQP_COMP_MASK = 0x60, -}; - -struct ehca_alloc_queue_parms { - /* input parameters */ - int max_wr; - int max_sge; - int page_size; - int is_small; - - /* output parameters */ - u16 act_nr_wqes; - u8 act_nr_sges; - u32 queue_size; /* bytes for small queues, pages otherwise */ -}; - -struct ehca_alloc_qp_parms { - struct ehca_alloc_queue_parms squeue; - struct ehca_alloc_queue_parms rqueue; - - /* input parameters */ - enum ehca_service_type servicetype; - int qp_storage; - int sigtype; - enum ehca_ext_qp_type ext_type; - enum ehca_ll_comp_flags ll_comp_flags; - int ud_av_l_key_ctl; - - u32 token; - struct ipz_eq_handle eq_handle; - struct ipz_pd pd; - struct ipz_cq_handle send_cq_handle, recv_cq_handle; - - u32 srq_qpn, srq_token, srq_limit; - - /* output parameters */ - u32 real_qp_num; - struct ipz_qp_handle qp_handle; - struct h_galpas galpas; -}; - -int ehca_cq_assign_qp(struct ehca_cq *cq, struct ehca_qp *qp); -int ehca_cq_unassign_qp(struct ehca_cq *cq, unsigned int qp_num); -struct ehca_qp *ehca_cq_get_qp(struct ehca_cq *cq, int qp_num); - -#endif diff --git a/drivers/staging/rdma/ehca/ehca_classes_pSeries.h b/drivers/staging/rdma/ehca/ehca_classes_pSeries.h deleted file mode 100644 index 689c35786dd2..000000000000 --- a/drivers/staging/rdma/ehca/ehca_classes_pSeries.h +++ /dev/null @@ -1,208 +0,0 @@ -/* - * IBM eServer eHCA Infiniband device driver for Linux on POWER - * - * pSeries interface definitions - * - * Authors: Waleri Fomin <fomin@de.ibm.com> - * Christoph Raisch <raisch@de.ibm.com> - * - * Copyright (c) 2005 IBM Corporation - * - * All rights reserved. - * - * This source code is distributed under a dual license of GPL v2.0 and OpenIB - * BSD. - * - * OpenIB BSD License - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source |