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Commit e581d111 authored by Doug Ledford's avatar Doug Ledford
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staging/rdma: remove deprecated ehca driver 

This driver was moved to staging for eventual deletion.  Time
to complete that task.
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent f5e741b7
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MAINTAINERS
View file @ e581d111
...@@ -4177,13 +4177,6 @@ W: http://aeschi.ch.eu.org/efs/ ...@@ -4177,13 +4177,6 @@ W: http://aeschi.ch.eu.org/efs/
S: Orphan S: Orphan
F: fs/efs/ F: fs/efs/
EHCA (IBM GX bus InfiniBand adapter) DRIVER
M: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
M: Christoph Raisch <raisch@de.ibm.com>
L: linux-rdma@vger.kernel.org
S: Supported
F: drivers/infiniband/hw/ehca/
EHEA (IBM pSeries eHEA 10Gb ethernet adapter) DRIVER EHEA (IBM pSeries eHEA 10Gb ethernet adapter) DRIVER
M: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> M: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
L: netdev@vger.kernel.org L: netdev@vger.kernel.org
......
drivers/staging/rdma/Kconfig
View file @ e581d111
...@@ -22,8 +22,6 @@ menuconfig STAGING_RDMA ...@@ -22,8 +22,6 @@ menuconfig STAGING_RDMA
# Please keep entries in alphabetic order # Please keep entries in alphabetic order
if STAGING_RDMA if STAGING_RDMA
source "drivers/staging/rdma/ehca/Kconfig"
source "drivers/staging/rdma/hfi1/Kconfig" source "drivers/staging/rdma/hfi1/Kconfig"
source "drivers/staging/rdma/ipath/Kconfig" source "drivers/staging/rdma/ipath/Kconfig"
......
drivers/staging/rdma/Makefile
View file @ e581d111
# Entries for RDMA_STAGING tree # Entries for RDMA_STAGING tree
obj-$(CONFIG_INFINIBAND_EHCA) += ehca/
obj-$(CONFIG_INFINIBAND_HFI1) += hfi1/ obj-$(CONFIG_INFINIBAND_HFI1) += hfi1/
obj-$(CONFIG_INFINIBAND_IPATH) += ipath/ obj-$(CONFIG_INFINIBAND_IPATH) += ipath/
drivers/staging/rdma/ehca/Kconfig deleted 100644 → 0
View file @ f5e741b7
config INFINIBAND_EHCA
tristate "eHCA support"
depends on IBMEBUS
---help---
This driver supports the deprecated IBM pSeries eHCA InfiniBand
adapter.
To compile the driver as a module, choose M here. The module
will be called ib_ehca.
drivers/staging/rdma/ehca/Makefile deleted 100644 → 0
View file @ f5e741b7
# Authors: Heiko J Schick <schickhj@de.ibm.com>
# Christoph Raisch <raisch@de.ibm.com>
# Joachim Fenkes <fenkes@de.ibm.com>
#
# Copyright (c) 2005 IBM Corporation
#
# All rights reserved.
#
# This source code is distributed under a dual license of GPL v2.0 and OpenIB BSD.
obj-$(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
drivers/staging/rdma/ehca/TODO deleted 100644 → 0
View file @ f5e741b7
9/2015
The ehca driver has been deprecated and moved to drivers/staging/rdma.
It will be removed in the 4.6 merge window.
drivers/staging/rdma/ehca/ehca_av.c deleted 100644 → 0
View file @ f5e741b7
/*
* 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);
}
drivers/staging/rdma/ehca/ehca_classes.h deleted 100644 → 0
View file @ f5e741b7
This diff is collapsed.
drivers/staging/rdma/ehca/ehca_classes_pSeries.h deleted 100644 → 0
View file @ f5e741b7
/*
* 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 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_PSERIES_H__
#define __EHCA_CLASSES_PSERIES_H__
#include "hcp_phyp.h"
#include "ipz_pt_fn.h"
struct ehca_pfqp {
struct ipz_qpt sqpt;
struct ipz_qpt rqpt;
};
struct ehca_pfcq {
struct ipz_qpt qpt;
u32 cqnr;
};
struct ehca_pfeq {
struct ipz_qpt qpt;
struct h_galpa galpa;
u32 eqnr;
};
struct ipz_adapter_handle {
u64 handle;
};
struct ipz_cq_handle {
u64 handle;
};
struct ipz_eq_handle {
u64 handle;
};
struct ipz_qp_handle {
u64 handle;
};
struct ipz_mrmw_handle {
u64 handle;
};
struct ipz_pd {
u32 value;
};
struct hcp_modify_qp_control_block {
u32 qkey; /* 00 */
u32 rdd; /* reliable datagram domain */
u32 send_psn; /* 02 */
u32 receive_psn; /* 03 */
u32 prim_phys_port; /* 04 */
u32 alt_phys_port; /* 05 */
u32 prim_p_key_idx; /* 06 */
u32 alt_p_key_idx; /* 07 */
u32 rdma_atomic_ctrl; /* 08 */
u32 qp_state; /* 09 */
u32 reserved_10; /* 10 */
u32 rdma_nr_atomic_resp_res; /* 11 */
u32 path_migration_state; /* 12 */
u32 rdma_atomic_outst_dest_qp; /* 13 */
u32 dest_qp_nr; /* 14 */
u32 min_rnr_nak_timer_field; /* 15 */
u32 service_level; /* 16 */
u32 send_grh_flag; /* 17 */
u32 retry_count; /* 18 */
u32 timeout; /* 19 */
u32 path_mtu; /* 20 */
u32 max_static_rate; /* 21 */
u32 dlid; /* 22 */
u32 rnr_retry_count; /* 23 */
u32 source_path_bits; /* 24 */
u32 traffic_class; /* 25 */
u32 hop_limit; /* 26 */
u32 source_gid_idx; /* 27 */
u32 flow_label; /* 28 */
u32 reserved_29; /* 29 */
union { /* 30 */
u64 dw[2];
u8 byte[16];
} dest_gid;
u32 service_level_al; /* 34 */
u32 send_grh_flag_al; /* 35 */
u32 retry_count_al; /* 36 */
u32 timeout_al; /* 37 */
u32 max_static_rate_al; /* 38 */
u32 dlid_al; /* 39 */
u32 rnr_retry_count_al; /* 40 */
u32 source_path_bits_al; /* 41 */
u32 traffic_class_al; /* 42 */
u32 hop_limit_al; /* 43 */
u32 source_gid_idx_al; /* 44 */
u32 flow_label_al; /* 45 */
u32 reserved_46; /* 46 */
u32 reserved_47; /* 47 */
union { /* 48 */
u64 dw[2];
u8 byte[16];
} dest_gid_al;
u32 max_nr_outst_send_wr; /* 52 */
u32 max_nr_outst_recv_wr; /* 53 */
u32 disable_ete_credit_check; /* 54 */
u32 qp_number; /* 55 */
u64 send_queue_handle; /* 56 */
u64 recv_queue_handle; /* 58 */
u32 actual_nr_sges_in_sq_wqe; /* 60 */
u32 actual_nr_sges_in_rq_wqe; /* 61 */
u32 qp_enable; /* 62 */
u32 curr_srq_limit; /* 63 */
u64 qp_aff_asyn_ev_log_reg; /* 64 */
u64 shared_rq_hndl; /* 66 */
u64 trigg_doorbell_qp_hndl; /* 68 */
u32 reserved_70_127[58]; /* 70 */
};
#define MQPCB_MASK_QKEY EHCA_BMASK_IBM( 0, 0)
#define MQPCB_MASK_SEND_PSN EHCA_BMASK_IBM( 2, 2)
#define MQPCB_MASK_RECEIVE_PSN EHCA_BMASK_IBM( 3, 3)
#define MQPCB_MASK_PRIM_PHYS_PORT EHCA_BMASK_IBM( 4, 4)
#define MQPCB_PRIM_PHYS_PORT EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_ALT_PHYS_PORT EHCA_BMASK_IBM( 5, 5)
#define MQPCB_MASK_PRIM_P_KEY_IDX EHCA_BMASK_IBM( 6, 6)
#define MQPCB_PRIM_P_KEY_IDX EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_ALT_P_KEY_IDX EHCA_BMASK_IBM( 7, 7)
#define MQPCB_MASK_RDMA_ATOMIC_CTRL EHCA_BMASK_IBM( 8, 8)
#define MQPCB_MASK_QP_STATE EHCA_BMASK_IBM( 9, 9)
#define MQPCB_MASK_RDMA_NR_ATOMIC_RESP_RES EHCA_BMASK_IBM(11, 11)
#define MQPCB_MASK_PATH_MIGRATION_STATE EHCA_BMASK_IBM(12, 12)
#define MQPCB_MASK_RDMA_ATOMIC_OUTST_DEST_QP EHCA_BMASK_IBM(13, 13)
#define MQPCB_MASK_DEST_QP_NR EHCA_BMASK_IBM(14, 14)
#define MQPCB_MASK_MIN_RNR_NAK_TIMER_FIELD EHCA_BMASK_IBM(15, 15)
#define MQPCB_MASK_SERVICE_LEVEL EHCA_BMASK_IBM(16, 16)
#define MQPCB_MASK_SEND_GRH_FLAG EHCA_BMASK_IBM(17, 17)
#define MQPCB_MASK_RETRY_COUNT EHCA_BMASK_IBM(18, 18)
#define MQPCB_MASK_TIMEOUT EHCA_BMASK_IBM(19, 19)
#define MQPCB_MASK_PATH_MTU EHCA_BMASK_IBM(20, 20)
#define MQPCB_MASK_MAX_STATIC_RATE EHCA_BMASK_IBM(21, 21)
#define MQPCB_MASK_DLID EHCA_BMASK_IBM(22, 22)
#define MQPCB_MASK_RNR_RETRY_COUNT EHCA_BMASK_IBM(23, 23)
#define MQPCB_MASK_SOURCE_PATH_BITS EHCA_BMASK_IBM(24, 24)
#define MQPCB_MASK_TRAFFIC_CLASS EHCA_BMASK_IBM(25, 25)
#define MQPCB_MASK_HOP_LIMIT EHCA_BMASK_IBM(26, 26)
#define MQPCB_MASK_SOURCE_GID_IDX EHCA_BMASK_IBM(27, 27)
#define MQPCB_MASK_FLOW_LABEL EHCA_BMASK_IBM(28, 28)
#define MQPCB_MASK_DEST_GID EHCA_BMASK_IBM(30, 30)
#define MQPCB_MASK_SERVICE_LEVEL_AL EHCA_BMASK_IBM(31, 31)
#define MQPCB_MASK_SEND_GRH_FLAG_AL EHCA_BMASK_IBM(32, 32)
#define MQPCB_MASK_RETRY_COUNT_AL EHCA_BMASK_IBM(33, 33)
#define MQPCB_MASK_TIMEOUT_AL EHCA_BMASK_IBM(34, 34)
#define MQPCB_MASK_MAX_STATIC_RATE_AL EHCA_BMASK_IBM(35, 35)
#define MQPCB_MASK_DLID_AL EHCA_BMASK_IBM(36, 36)
#define MQPCB_MASK_RNR_RETRY_COUNT_AL EHCA_BMASK_IBM(37, 37)
#define MQPCB_MASK_SOURCE_PATH_BITS_AL EHCA_BMASK_IBM(38, 38)
#define MQPCB_MASK_TRAFFIC_CLASS_AL EHCA_BMASK_IBM(39, 39)
#define MQPCB_MASK_HOP_LIMIT_AL EHCA_BMASK_IBM(40, 40)
#define MQPCB_MASK_SOURCE_GID_IDX_AL EHCA_BMASK_IBM(41, 41)
#define MQPCB_MASK_FLOW_LABEL_AL EHCA_BMASK_IBM(42, 42)
#define MQPCB_MASK_DEST_GID_AL EHCA_BMASK_IBM(44, 44)
#define MQPCB_MASK_MAX_NR_OUTST_SEND_WR EHCA_BMASK_IBM(45, 45)
#define MQPCB_MASK_MAX_NR_OUTST_RECV_WR EHCA_BMASK_IBM(46, 46)
#define MQPCB_MASK_DISABLE_ETE_CREDIT_CHECK EHCA_BMASK_IBM(47, 47)
#define MQPCB_MASK_QP_ENABLE EHCA_BMASK_IBM(48, 48)
#define MQPCB_MASK_CURR_SRQ_LIMIT EHCA_BMASK_IBM(49, 49)
#define MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG EHCA_BMASK_IBM(50, 50)
#define MQPCB_MASK_SHARED_RQ_HNDL EHCA_BMASK_IBM(51, 51)
#endif /* __EHCA_CLASSES_PSERIES_H__ */
drivers/staging/rdma/ehca/ehca_cq.c deleted 100644 → 0
View file @ f5e741b7
This diff is collapsed.
drivers/staging/rdma/ehca/ehca_eq.c deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* Event queue handling
*
* Authors: Waleri Fomin <fomin@de.ibm.com>
* Khadija Souissi <souissi@de.ibm.com>
* Reinhard Ernst <rernst@de.ibm.com>
* Heiko J Schick <schickhj@de.ibm.com>
* Hoang-Nam Nguyen <hnguyen@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 "ehca_classes.h"
#include "ehca_irq.h"
#include "ehca_iverbs.h"
#include "ehca_qes.h"
#include "hcp_if.h"
#include "ipz_pt_fn.h"
int ehca_create_eq(struct ehca_shca *shca,
struct ehca_eq *eq,
const enum ehca_eq_type type, const u32 length)
{
int ret;
u64 h_ret;
u32 nr_pages;
u32 i;
void *vpage;
struct ib_device *ib_dev = &shca->ib_device;
spin_lock_init(&eq->spinlock);
spin_lock_init(&eq->irq_spinlock);
eq->is_initialized = 0;
if (type != EHCA_EQ && type != EHCA_NEQ) {
ehca_err(ib_dev, "Invalid EQ type %x. eq=%p", type, eq);
return -EINVAL;
}
if (!length) {
ehca_err(ib_dev, "EQ length must not be zero. eq=%p", eq);
return -EINVAL;
}
h_ret = hipz_h_alloc_resource_eq(shca->ipz_hca_handle,
&eq->pf,
type,
length,
&eq->ipz_eq_handle,
&eq->length,
&nr_pages, &eq->ist);
if (h_ret != H_SUCCESS) {
ehca_err(ib_dev, "Can't allocate EQ/NEQ. eq=%p", eq);
return -EINVAL;
}
ret = ipz_queue_ctor(NULL, &eq->ipz_queue, nr_pages,
EHCA_PAGESIZE, sizeof(struct ehca_eqe), 0, 0);
if (!ret) {
ehca_err(ib_dev, "Can't allocate EQ pages eq=%p", eq);
goto create_eq_exit1;
}
for (i = 0; i < nr_pages; i++) {
u64 rpage;
vpage = ipz_qpageit_get_inc(&eq->ipz_queue);
if (!vpage)
goto create_eq_exit2;
rpage = __pa(vpage);
h_ret = hipz_h_register_rpage_eq(shca->ipz_hca_handle,
eq->ipz_eq_handle,
&eq->pf,
0, 0, rpage, 1);
if (i == (nr_pages - 1)) {
/* last page */
vpage = ipz_qpageit_get_inc(&eq->ipz_queue);
if (h_ret != H_SUCCESS || vpage)
goto create_eq_exit2;
} else {
if (h_ret != H_PAGE_REGISTERED)
goto create_eq_exit2;
}
}
ipz_qeit_reset(&eq->ipz_queue);
/* register interrupt handlers and initialize work queues */
if (type == EHCA_EQ) {
tasklet_init(&eq->interrupt_task, ehca_tasklet_eq, (long)shca);
ret = ibmebus_request_irq(eq->ist, ehca_interrupt_eq,
0, "ehca_eq",
(void *)shca);
if (ret < 0)
ehca_err(ib_dev, "Can't map interrupt handler.");
} else if (type == EHCA_NEQ) {
tasklet_init(&eq->interrupt_task, ehca_tasklet_neq, (long)shca);
ret = ibmebus_request_irq(eq->ist, ehca_interrupt_neq,
0, "ehca_neq",
(void *)shca);
if (ret < 0)
ehca_err(ib_dev, "Can't map interrupt handler.");
}
eq->is_initialized = 1;
return 0;
create_eq_exit2:
ipz_queue_dtor(NULL, &eq->ipz_queue);
create_eq_exit1:
hipz_h_destroy_eq(shca->ipz_hca_handle, eq);
return -EINVAL;
}
void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq)
{
unsigned long flags;
void *eqe;
spin_lock_irqsave(&eq->spinlock, flags);
eqe = ipz_eqit_eq_get_inc_valid(&eq->ipz_queue);
spin_unlock_irqrestore(&eq->spinlock, flags);
return eqe;
}
int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq)
{
unsigned long flags;
u64 h_ret;
ibmebus_free_irq(eq->ist, (void *)shca);
spin_lock_irqsave(&shca_list_lock, flags);
eq->is_initialized = 0;
spin_unlock_irqrestore(&shca_list_lock, flags);
tasklet_kill(&eq->interrupt_task);
h_ret = hipz_h_destroy_eq(shca->ipz_hca_handle, eq);
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't free EQ resources.");
return -EINVAL;
}
ipz_queue_dtor(NULL, &eq->ipz_queue);
return 0;
}
drivers/staging/rdma/ehca/ehca_hca.c deleted 100644 → 0
View file @ f5e741b7
This diff is collapsed.
drivers/staging/rdma/ehca/ehca_irq.c deleted 100644 → 0
View file @ f5e741b7
This diff is collapsed.
drivers/staging/rdma/ehca/ehca_irq.h deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* Function definitions and structs for EQs, NEQs and interrupts
*
* Authors: Heiko J Schick <schickhj@de.ibm.com>
* Khadija Souissi <souissi@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_IRQ_H
#define __EHCA_IRQ_H
struct ehca_shca;
#include <linux/interrupt.h>
#include <linux/types.h>
int ehca_error_data(struct ehca_shca *shca, void *data, u64 resource);
irqreturn_t ehca_interrupt_neq(int irq, void *dev_id);
void ehca_tasklet_neq(unsigned long data);
irqreturn_t ehca_interrupt_eq(int irq, void *dev_id);
void ehca_tasklet_eq(unsigned long data);
void ehca_process_eq(struct ehca_shca *shca, int is_irq);
struct ehca_cpu_comp_task {
struct list_head cq_list;
spinlock_t task_lock;
int cq_jobs;
int active;
};
struct ehca_comp_pool {
struct ehca_cpu_comp_task __percpu *cpu_comp_tasks;
struct task_struct * __percpu *cpu_comp_threads;
int last_cpu;
spinlock_t last_cpu_lock;
};
int ehca_create_comp_pool(void);
void ehca_destroy_comp_pool(void);
#endif
drivers/staging/rdma/ehca/ehca_iverbs.h deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* Function definitions for internal functions
*
* Authors: Heiko J Schick <schickhj@de.ibm.com>
* Dietmar Decker <ddecker@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_IVERBS_H__
#define __EHCA_IVERBS_H__
#include "ehca_classes.h"
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw);
int ehca_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
enum rdma_protocol_type
ehca_query_protocol(struct ib_device *device, u8 port_num);
int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
struct ehca_sma_attr *attr);
int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
union ib_gid *gid);
int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
struct ib_port_modify *props);
struct ib_pd *ehca_alloc_pd(struct ib_device *device,
struct ib_ucontext *context,
struct ib_udata *udata);
int ehca_dealloc_pd(struct ib_pd *pd);
struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
int ehca_destroy_ah(struct ib_ah *ah);
struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
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);
int ehca_dereg_mr(struct ib_mr *mr);
struct ib_mw *ehca_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
int ehca_dealloc_mw(struct ib_mw *mw);
struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
int mr_access_flags,
struct ib_fmr_attr *fmr_attr);
int ehca_map_phys_fmr(struct ib_fmr *fmr,
u64 *page_list, int list_len, u64 iova);
int ehca_unmap_fmr(struct list_head *fmr_list);
int ehca_dealloc_fmr(struct ib_fmr *fmr);
enum ehca_eq_type {
EHCA_EQ = 0, /* Event Queue */
EHCA_NEQ /* Notification Event Queue */
};
int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
enum ehca_eq_type type, const u32 length);
int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
struct ib_cq *ehca_create_cq(struct ib_device *device,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);
int ehca_destroy_cq(struct ib_cq *cq);
int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
struct ib_qp *ehca_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata);
int ehca_destroy_qp(struct ib_qp *qp);
int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
struct ib_udata *udata);
int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
struct ib_send_wr **bad_send_wr);
int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr);
int ehca_post_srq_recv(struct ib_srq *srq,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr);
struct ib_srq *ehca_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *init_attr,
struct ib_udata *udata);
int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int ehca_destroy_srq(struct ib_srq *srq);
u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
struct ib_qp_init_attr *qp_init_attr);
int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
struct ib_udata *udata);
int ehca_dealloc_ucontext(struct ib_ucontext *context);
int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_wc *in_wc, const struct ib_grh *in_grh,
const struct ib_mad_hdr *in, size_t in_mad_size,
struct ib_mad_hdr *out, size_t *out_mad_size,
u16 *out_mad_pkey_index);
void ehca_poll_eqs(unsigned long data);
int ehca_calc_ipd(struct ehca_shca *shca, int port,
enum ib_rate path_rate, u32 *ipd);
void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
#ifdef CONFIG_PPC_64K_PAGES
void *ehca_alloc_fw_ctrlblock(gfp_t flags);
void ehca_free_fw_ctrlblock(void *ptr);
#else
#define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
#define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
#endif
void ehca_recover_sqp(struct ib_qp *sqp);
#endif
drivers/staging/rdma/ehca/ehca_main.c deleted 100644 → 0
View file @ f5e741b7
This diff is collapsed.
drivers/staging/rdma/ehca/ehca_mcast.c deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* mcast functions
*
* Authors: Khadija Souissi <souissik@de.ibm.com>
* Waleri Fomin <fomin@de.ibm.com>
* Reinhard Ernst <rernst@de.ibm.com>
* Hoang-Nam Nguyen <hnguyen@de.ibm.com>
* Heiko J Schick <schickhj@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/module.h>
#include <linux/err.h>
#include "ehca_classes.h"
#include "ehca_tools.h"
#include "ehca_qes.h"
#include "ehca_iverbs.h"
#include "hcp_if.h"
#define MAX_MC_LID 0xFFFE
#define MIN_MC_LID 0xC000 /* Multicast limits */
#define EHCA_VALID_MULTICAST_GID(gid) ((gid)[0] == 0xFF)
#define EHCA_VALID_MULTICAST_LID(lid) \
(((lid) >= MIN_MC_LID) && ((lid) <= MAX_MC_LID))
int ehca_attach_mcast(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp);
struct ehca_shca *shca = container_of(ibqp->device, struct ehca_shca,
ib_device);
union ib_gid my_gid;
u64 subnet_prefix, interface_id, h_ret;
if (ibqp->qp_type != IB_QPT_UD) {
ehca_err(ibqp->device, "invalid qp_type=%x", ibqp->qp_type);
return -EINVAL;
}
if (!(EHCA_VALID_MULTICAST_GID(gid->raw))) {
ehca_err(ibqp->device, "invalid mulitcast gid");
return -EINVAL;
} else if ((lid < MIN_MC_LID) || (lid > MAX_MC_LID)) {
ehca_err(ibqp->device, "invalid mulitcast lid=%x", lid);
return -EINVAL;
}
memcpy(&my_gid, gid->raw, sizeof(union ib_gid));
subnet_prefix = be64_to_cpu(my_gid.global.subnet_prefix);
interface_id = be64_to_cpu(my_gid.global.interface_id);
h_ret = hipz_h_attach_mcqp(shca->ipz_hca_handle,
my_qp->ipz_qp_handle,
my_qp->galpas.kernel,
lid, subnet_prefix, interface_id);
if (h_ret != H_SUCCESS)
ehca_err(ibqp->device,
"ehca_qp=%p qp_num=%x hipz_h_attach_mcqp() failed "
"h_ret=%lli", my_qp, ibqp->qp_num, h_ret);
return ehca2ib_return_code(h_ret);
}
int ehca_detach_mcast(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp);
struct ehca_shca *shca = container_of(ibqp->pd->device,
struct ehca_shca, ib_device);
union ib_gid my_gid;
u64 subnet_prefix, interface_id, h_ret;
if (ibqp->qp_type != IB_QPT_UD) {
ehca_err(ibqp->device, "invalid qp_type %x", ibqp->qp_type);
return -EINVAL;
}
if (!(EHCA_VALID_MULTICAST_GID(gid->raw))) {
ehca_err(ibqp->device, "invalid mulitcast gid");
return -EINVAL;
} else if ((lid < MIN_MC_LID) || (lid > MAX_MC_LID)) {
ehca_err(ibqp->device, "invalid mulitcast lid=%x", lid);
return -EINVAL;
}
memcpy(&my_gid, gid->raw, sizeof(union ib_gid));
subnet_prefix = be64_to_cpu(my_gid.global.subnet_prefix);
interface_id = be64_to_cpu(my_gid.global.interface_id);
h_ret = hipz_h_detach_mcqp(shca->ipz_hca_handle,
my_qp->ipz_qp_handle,
my_qp->galpas.kernel,
lid, subnet_prefix, interface_id);
if (h_ret != H_SUCCESS)
ehca_err(ibqp->device,
"ehca_qp=%p qp_num=%x hipz_h_detach_mcqp() failed "
"h_ret=%lli", my_qp, ibqp->qp_num, h_ret);
return ehca2ib_return_code(h_ret);
}
drivers/staging/rdma/ehca/ehca_mrmw.c deleted 100644 → 0
View file @ f5e741b7
This diff is collapsed.
drivers/staging/rdma/ehca/ehca_mrmw.h deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* MR/MW declarations and inline functions
*
* Authors: Dietmar Decker <ddecker@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.
*/
#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,
u64 size,
int acl,
struct ehca_pd *e_pd,
struct ehca_mr_pginfo *pginfo,
u32 *lkey,
u32 *rkey,
enum ehca_reg_type reg_type);
int ehca_reg_mr_rpages(struct ehca_shca *shca,
struct ehca_mr *e_mr,
struct ehca_mr_pginfo *pginfo);
int ehca_rereg_mr(struct ehca_shca *shca,
struct ehca_mr *e_mr,
u64 *iova_start,
u64 size,
int mr_access_flags,
struct ehca_pd *e_pd,
struct ehca_mr_pginfo *pginfo,
u32 *lkey,
u32 *rkey);
int ehca_unmap_one_fmr(struct ehca_shca *shca,
struct ehca_mr *e_fmr);
int ehca_reg_smr(struct ehca_shca *shca,
struct ehca_mr *e_origmr,
struct ehca_mr *e_newmr,
u64 *iova_start,
int acl,
struct ehca_pd *e_pd,
u32 *lkey,
u32 *rkey);
int ehca_reg_internal_maxmr(struct ehca_shca *shca,
struct ehca_pd *e_pd,
struct ehca_mr **maxmr);
int ehca_reg_maxmr(struct ehca_shca *shca,
struct ehca_mr *e_newmr,
u64 *iova_start,
int acl,
struct ehca_pd *e_pd,
u32 *lkey,
u32 *rkey);
int ehca_dereg_internal_maxmr(struct ehca_shca *shca);
int ehca_fmr_check_page_list(struct ehca_mr *e_fmr,
u64 *page_list,
int list_len);
int ehca_set_pagebuf(struct ehca_mr_pginfo *pginfo,
u32 number,
u64 *kpage);
int ehca_mr_is_maxmr(u64 size,
u64 *iova_start);
void ehca_mrmw_map_acl(int ib_acl,
u32 *hipz_acl);
void ehca_mrmw_set_pgsize_hipz_acl(u32 pgsize, u32 *hipz_acl);
void ehca_mrmw_reverse_map_acl(const u32 *hipz_acl,
int *ib_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_*/
drivers/staging/rdma/ehca/ehca_pd.c deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* PD functions
*
* Authors: 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"
static struct kmem_cache *pd_cache;
struct ib_pd *ehca_alloc_pd(struct ib_device *device,
struct ib_ucontext *context, struct ib_udata *udata)
{
struct ehca_pd *pd;
int i;
pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL);
if (!pd) {
ehca_err(device, "device=%p context=%p out of memory",
device, context);
return ERR_PTR(-ENOMEM);
}
for (i = 0; i < 2; i++) {
INIT_LIST_HEAD(&pd->free[i]);
INIT_LIST_HEAD(&pd->full[i]);
}
mutex_init(&pd->lock);
/*
* Kernel PD: when device = -1, 0
* User PD: when context != -1
*/
if (!context) {
/*
* Kernel PDs after init reuses always
* the one created in ehca_shca_reopen()
*/
struct ehca_shca *shca = container_of(device, struct ehca_shca,
ib_device);
pd->fw_pd.value = shca->pd->fw_pd.value;
} else
pd->fw_pd.value = (u64)pd;
return &pd->ib_pd;
}
int ehca_dealloc_pd(struct ib_pd *pd)
{
struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd);
int i, leftovers = 0;
struct ipz_small_queue_page *page, *tmp;
for (i = 0; i < 2; i++) {
list_splice(&my_pd->full[i], &my_pd->free[i]);
list_for_each_entry_safe(page, tmp, &my_pd->free[i], list) {
leftovers = 1;
free_page(page->page);
kmem_cache_free(small_qp_cache, page);
}
}
if (leftovers)
ehca_warn(pd->device,
"Some small queue pages were not freed");
kmem_cache_free(pd_cache, my_pd);
return 0;
}
int ehca_init_pd_cache(void)
{
pd_cache = kmem_cache_create("ehca_cache_pd",
sizeof(struct ehca_pd), 0,
SLAB_HWCACHE_ALIGN,
NULL);
if (!pd_cache)
return -ENOMEM;
return 0;
}
void ehca_cleanup_pd_cache(void)
{
kmem_cache_destroy(pd_cache);
}
drivers/staging/rdma/ehca/ehca_qes.h deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* Hardware request structures
*
* Authors: Waleri Fomin <fomin@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.
*/
#ifndef _EHCA_QES_H_
#define _EHCA_QES_H_
#include "ehca_tools.h"
/* virtual scatter gather entry to specify remote addresses with length */
struct ehca_vsgentry {
u64 vaddr;
u32 lkey;
u32 length;
};
#define GRH_FLAG_MASK EHCA_BMASK_IBM( 7, 7)
#define GRH_IPVERSION_MASK EHCA_BMASK_IBM( 0, 3)
#define GRH_TCLASS_MASK EHCA_BMASK_IBM( 4, 12)
#define GRH_FLOWLABEL_MASK EHCA_BMASK_IBM(13, 31)
#define GRH_PAYLEN_MASK EHCA_BMASK_IBM(32, 47)
#define GRH_NEXTHEADER_MASK EHCA_BMASK_IBM(48, 55)
#define GRH_HOPLIMIT_MASK EHCA_BMASK_IBM(56, 63)
/*
* Unreliable Datagram Address Vector Format
* see IBTA Vol1 chapter 8.3 Global Routing Header
*/
struct ehca_ud_av {
u8 sl;
u8 lnh;
u16 dlid;
u8 reserved1;
u8 reserved2;
u8 reserved3;
u8 slid_path_bits;
u8 reserved4;
u8 ipd;
u8 reserved5;
u8 pmtu;
u32 reserved6;
u64 reserved7;
union {
struct {
u64 word_0; /* always set to 6 */
/*should be 0x1B for IB transport */
u64 word_1;
u64 word_2;
u64 word_3;
u64 word_4;
} grh;
struct {
u32 wd_0;
u32 wd_1;
/* DWord_1 --> SGID */
u32 sgid_wd3;
u32 sgid_wd2;
u32 sgid_wd1;
u32 sgid_wd0;
/* DWord_3 --> DGID */
u32 dgid_wd3;
u32 dgid_wd2;
u32 dgid_wd1;
u32 dgid_wd0;
} grh_l;
};
};
/* maximum number of sg entries allowed in a WQE */
#define MAX_WQE_SG_ENTRIES 252
#define WQE_OPTYPE_SEND 0x80
#define WQE_OPTYPE_RDMAREAD 0x40
#define WQE_OPTYPE_RDMAWRITE 0x20
#define WQE_OPTYPE_CMPSWAP 0x10
#define WQE_OPTYPE_FETCHADD 0x08
#define WQE_OPTYPE_BIND 0x04
#define WQE_WRFLAG_REQ_SIGNAL_COM 0x80
#define WQE_WRFLAG_FENCE 0x40
#define WQE_WRFLAG_IMM_DATA_PRESENT 0x20
#define WQE_WRFLAG_SOLIC_EVENT 0x10
#define WQEF_CACHE_HINT 0x80
#define WQEF_CACHE_HINT_RD_WR 0x40
#define WQEF_TIMED_WQE 0x20
#define WQEF_PURGE 0x08
#define WQEF_HIGH_NIBBLE 0xF0
#define MW_BIND_ACCESSCTRL_R_WRITE 0x40
#define MW_BIND_ACCESSCTRL_R_READ 0x20
#define MW_BIND_ACCESSCTRL_R_ATOMIC 0x10
struct ehca_wqe {
u64 work_request_id;
u8 optype;
u8 wr_flag;
u16 pkeyi;
u8 wqef;
u8 nr_of_data_seg;
u16 wqe_provided_slid;
u32 destination_qp_number;
u32 resync_psn_sqp;
u32 local_ee_context_qkey;
u32 immediate_data;
union {
struct {
u64 remote_virtual_address;
u32 rkey;
u32 reserved;
u64 atomic_1st_op_dma_len;
u64 atomic_2nd_op;
struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES];
} nud;
struct {
u64 ehca_ud_av_ptr;
u64 reserved1;
u64 reserved2;
u64 reserved3;
struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES];
} ud_avp;
struct {
struct ehca_ud_av ud_av;
struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES -
2];
} ud_av;
struct {
u64 reserved0;
u64 reserved1;
u64 reserved2;
u64 reserved3;
struct ehca_vsgentry sg_list[MAX_WQE_SG_ENTRIES];
} all_rcv;
struct {
u64 reserved;
u32 rkey;
u32 old_rkey;
u64 reserved1;
u64 reserved2;
u64 virtual_address;
u32 reserved3;
u32 length;
u32 reserved4;
u16 reserved5;
u8 reserved6;
u8 lr_ctl;
u32 lkey;
u32 reserved7;
u64 reserved8;
u64 reserved9;
u64 reserved10;
u64 reserved11;
} bind;
struct {
u64 reserved12;
u64 reserved13;
u32 size;
u32 start;
} inline_data;
} u;
};
#define WC_SEND_RECEIVE EHCA_BMASK_IBM(0, 0)
#define WC_IMM_DATA EHCA_BMASK_IBM(1, 1)
#define WC_GRH_PRESENT EHCA_BMASK_IBM(2, 2)
#define WC_SE_BIT EHCA_BMASK_IBM(3, 3)
#define WC_STATUS_ERROR_BIT 0x80000000
#define WC_STATUS_REMOTE_ERROR_FLAGS 0x0000F800
#define WC_STATUS_PURGE_BIT 0x10
#define WC_SEND_RECEIVE_BIT 0x80
struct ehca_cqe {
u64 work_request_id;
u8 optype;
u8 w_completion_flags;
u16 reserved1;
u32 nr_bytes_transferred;
u32 immediate_data;
u32 local_qp_number;
u8 freed_resource_count;
u8 service_level;
u16 wqe_count;
u32 qp_token;
u32 qkey_ee_token;
u32 remote_qp_number;
u16 dlid;
u16 rlid;
u16 reserved2;
u16 pkey_index;
u32 cqe_timestamp;
u32 wqe_timestamp;
u8 wqe_timestamp_valid;
u8 reserved3;
u8 reserved4;
u8 cqe_flags;
u32 status;
};
struct ehca_eqe {
u64 entry;
};
struct ehca_mrte {
u64 starting_va;
u64 length; /* length of memory region in bytes*/
u32 pd;
u8 key_instance;
u8 pagesize;
u8 mr_control;
u8 local_remote_access_ctrl;
u8 reserved[0x20 - 0x18];
u64 at_pointer[4];
};
#endif /*_EHCA_QES_H_*/
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drivers/staging/rdma/ehca/hipz_fns.h deleted 100644 → 0
View file @ f5e741b7
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* HW abstraction register functions
*
* Authors: Christoph Raisch <raisch@de.ibm.com>
* Reinhard Ernst <rernst@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 __HIPZ_FNS_H__
#define __HIPZ_FNS_H__
#include "ehca_classes.h"
#include "hipz_hw.h"
#include "hipz_fns_core.h"
#define hipz_galpa_store_eq(gal, offset, value) \
hipz_galpa_store(gal, EQTEMM_OFFSET(offset), value)
#define hipz_galpa_load_eq(gal, offset) \
hipz_galpa_load(gal, EQTEMM_OFFSET(offset))
#define hipz_galpa_store_qped(gal, offset, value) \
hipz_galpa_store(gal, QPEDMM_OFFSET(offset), value)
#define hipz_galpa_load_qped(gal, offset) \
hipz_galpa_load(gal, QPEDMM_OFFSET(offset))
#define hipz_galpa_store_mrmw(gal, offset, value) \
hipz_galpa_store(gal, MRMWMM_OFFSET(offset), value)
#define hipz_galpa_load_mrmw(gal, offset) \
hipz_galpa_load(gal, MRMWMM_OFFSET(offset))
#endif
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