From fab97220c9e409a98b1956ba677ddd2dd43b0b95 Mon Sep 17 00:00:00 2001 From: Heiko J Schick Date: Fri, 22 Sep 2006 15:22:22 -0700 Subject: IB/ehca: Add driver for IBM eHCA InfiniBand adapters Add a driver for IBM GX bus InfiniBand adapters, which are usable with some pSeries/System p systems. Signed-off-by: Heiko J Schick Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ehca/hcp_if.c | 874 ++++++++++++++++++++++++++++++++++++ 1 file changed, 874 insertions(+) create mode 100644 drivers/infiniband/hw/ehca/hcp_if.c (limited to 'drivers/infiniband/hw/ehca/hcp_if.c') diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c new file mode 100644 index 0000000..3fb46e6 --- /dev/null +++ b/drivers/infiniband/hw/ehca/hcp_if.c @@ -0,0 +1,874 @@ +/* + * IBM eServer eHCA Infiniband device driver for Linux on POWER + * + * Firmware Infiniband Interface code for POWER + * + * Authors: Christoph Raisch + * Hoang-Nam Nguyen + * Gerd Bayer + * Waleri Fomin + * + * 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 +#include "ehca_tools.h" +#include "hcp_if.h" +#include "hcp_phyp.h" +#include "hipz_fns.h" +#include "ipz_pt_fn.h" + +#define H_ALL_RES_QP_ENHANCED_OPS EHCA_BMASK_IBM(9, 11) +#define H_ALL_RES_QP_PTE_PIN EHCA_BMASK_IBM(12, 12) +#define H_ALL_RES_QP_SERVICE_TYPE EHCA_BMASK_IBM(13, 15) +#define H_ALL_RES_QP_LL_RQ_CQE_POSTING EHCA_BMASK_IBM(18, 18) +#define H_ALL_RES_QP_LL_SQ_CQE_POSTING EHCA_BMASK_IBM(19, 21) +#define H_ALL_RES_QP_SIGNALING_TYPE EHCA_BMASK_IBM(22, 23) +#define H_ALL_RES_QP_UD_AV_LKEY_CTRL EHCA_BMASK_IBM(31, 31) +#define H_ALL_RES_QP_RESOURCE_TYPE EHCA_BMASK_IBM(56, 63) + +#define H_ALL_RES_QP_MAX_OUTST_SEND_WR EHCA_BMASK_IBM(0, 15) +#define H_ALL_RES_QP_MAX_OUTST_RECV_WR EHCA_BMASK_IBM(16, 31) +#define H_ALL_RES_QP_MAX_SEND_SGE EHCA_BMASK_IBM(32, 39) +#define H_ALL_RES_QP_MAX_RECV_SGE EHCA_BMASK_IBM(40, 47) + +#define H_ALL_RES_QP_ACT_OUTST_SEND_WR EHCA_BMASK_IBM(16, 31) +#define H_ALL_RES_QP_ACT_OUTST_RECV_WR EHCA_BMASK_IBM(48, 63) +#define H_ALL_RES_QP_ACT_SEND_SGE EHCA_BMASK_IBM(8, 15) +#define H_ALL_RES_QP_ACT_RECV_SGE EHCA_BMASK_IBM(24, 31) + +#define H_ALL_RES_QP_SQUEUE_SIZE_PAGES EHCA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_RQUEUE_SIZE_PAGES EHCA_BMASK_IBM(32, 63) + +/* direct access qp controls */ +#define DAQP_CTRL_ENABLE 0x01 +#define DAQP_CTRL_SEND_COMP 0x20 +#define DAQP_CTRL_RECV_COMP 0x40 + +static u32 get_longbusy_msecs(int longbusy_rc) +{ + switch (longbusy_rc) { + case H_LONG_BUSY_ORDER_1_MSEC: + return 1; + case H_LONG_BUSY_ORDER_10_MSEC: + return 10; + case H_LONG_BUSY_ORDER_100_MSEC: + return 100; + case H_LONG_BUSY_ORDER_1_SEC: + return 1000; + case H_LONG_BUSY_ORDER_10_SEC: + return 10000; + case H_LONG_BUSY_ORDER_100_SEC: + return 100000; + default: + return 1; + } +} + +static long ehca_plpar_hcall_norets(unsigned long opcode, + unsigned long arg1, + unsigned long arg2, + unsigned long arg3, + unsigned long arg4, + unsigned long arg5, + unsigned long arg6, + unsigned long arg7) +{ + long ret; + int i, sleep_msecs; + + ehca_gen_dbg("opcode=%lx arg1=%lx arg2=%lx arg3=%lx arg4=%lx " + "arg5=%lx arg6=%lx arg7=%lx", + opcode, arg1, arg2, arg3, arg4, arg5, arg6, arg7); + + for (i = 0; i < 5; i++) { + ret = plpar_hcall_norets(opcode, arg1, arg2, arg3, arg4, + arg5, arg6, arg7); + + if (H_IS_LONG_BUSY(ret)) { + sleep_msecs = get_longbusy_msecs(ret); + msleep_interruptible(sleep_msecs); + continue; + } + + if (ret < H_SUCCESS) + ehca_gen_err("opcode=%lx ret=%lx" + " arg1=%lx arg2=%lx arg3=%lx arg4=%lx" + " arg5=%lx arg6=%lx arg7=%lx ", + opcode, ret, + arg1, arg2, arg3, arg4, arg5, + arg6, arg7); + + ehca_gen_dbg("opcode=%lx ret=%lx", opcode, ret); + return ret; + + } + + return H_BUSY; +} + +static long ehca_plpar_hcall9(unsigned long opcode, + unsigned long *outs, /* array of 9 outputs */ + unsigned long arg1, + unsigned long arg2, + unsigned long arg3, + unsigned long arg4, + unsigned long arg5, + unsigned long arg6, + unsigned long arg7, + unsigned long arg8, + unsigned long arg9) +{ + long ret; + int i, sleep_msecs; + + ehca_gen_dbg("opcode=%lx arg1=%lx arg2=%lx arg3=%lx arg4=%lx " + "arg5=%lx arg6=%lx arg7=%lx arg8=%lx arg9=%lx", + opcode, arg1, arg2, arg3, arg4, arg5, arg6, arg7, + arg8, arg9); + + for (i = 0; i < 5; i++) { + ret = plpar_hcall9(opcode, outs, + arg1, arg2, arg3, arg4, arg5, + arg6, arg7, arg8, arg9); + + if (H_IS_LONG_BUSY(ret)) { + sleep_msecs = get_longbusy_msecs(ret); + msleep_interruptible(sleep_msecs); + continue; + } + + if (ret < H_SUCCESS) + ehca_gen_err("opcode=%lx ret=%lx" + " arg1=%lx arg2=%lx arg3=%lx arg4=%lx" + " arg5=%lx arg6=%lx arg7=%lx arg8=%lx" + " arg9=%lx" + " out1=%lx out2=%lx out3=%lx out4=%lx" + " out5=%lx out6=%lx out7=%lx out8=%lx" + " out9=%lx", + opcode, ret, + arg1, arg2, arg3, arg4, arg5, + arg6, arg7, arg8, arg9, + outs[0], outs[1], outs[2], outs[3], + outs[4], outs[5], outs[6], outs[7], + outs[8]); + + ehca_gen_dbg("opcode=%lx ret=%lx out1=%lx out2=%lx out3=%lx " + "out4=%lx out5=%lx out6=%lx out7=%lx out8=%lx " + "out9=%lx", + opcode, ret, outs[0], outs[1], outs[2], outs[3], + outs[4], outs[5], outs[6], outs[7], outs[8]); + return ret; + + } + + return H_BUSY; +} +u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle, + struct ehca_pfeq *pfeq, + const u32 neq_control, + const u32 number_of_entries, + struct ipz_eq_handle *eq_handle, + u32 *act_nr_of_entries, + u32 *act_pages, + u32 *eq_ist) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + u64 allocate_controls; + + /* resource type */ + allocate_controls = 3ULL; + + /* ISN is associated */ + if (neq_control != 1) + allocate_controls = (1ULL << (63 - 7)) | allocate_controls; + else /* notification event queue */ + allocate_controls = (1ULL << 63) | allocate_controls; + + ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, + adapter_handle.handle, /* r4 */ + allocate_controls, /* r5 */ + number_of_entries, /* r6 */ + 0, 0, 0, 0, 0, 0); + eq_handle->handle = outs[0]; + *act_nr_of_entries = (u32)outs[3]; + *act_pages = (u32)outs[4]; + *eq_ist = (u32)outs[5]; + + if (ret == H_NOT_ENOUGH_RESOURCES) + ehca_gen_err("Not enough resource - ret=%lx ", ret); + + return ret; +} + +u64 hipz_h_reset_event(const struct ipz_adapter_handle adapter_handle, + struct ipz_eq_handle eq_handle, + const u64 event_mask) +{ + return ehca_plpar_hcall_norets(H_RESET_EVENTS, + adapter_handle.handle, /* r4 */ + eq_handle.handle, /* r5 */ + event_mask, /* r6 */ + 0, 0, 0, 0); +} + +u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle, + struct ehca_cq *cq, + struct ehca_alloc_cq_parms *param) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, + adapter_handle.handle, /* r4 */ + 2, /* r5 */ + param->eq_handle.handle, /* r6 */ + cq->token, /* r7 */ + param->nr_cqe, /* r8 */ + 0, 0, 0, 0); + cq->ipz_cq_handle.handle = outs[0]; + param->act_nr_of_entries = (u32)outs[3]; + param->act_pages = (u32)outs[4]; + + if (ret == H_SUCCESS) + hcp_galpas_ctor(&cq->galpas, outs[5], outs[6]); + + if (ret == H_NOT_ENOUGH_RESOURCES) + ehca_gen_err("Not enough resources. ret=%lx", ret); + + return ret; +} + +u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle, + struct ehca_qp *qp, + struct ehca_alloc_qp_parms *parms) +{ + u64 ret; + u64 allocate_controls; + u64 max_r10_reg; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + u16 max_nr_receive_wqes = qp->init_attr.cap.max_recv_wr + 1; + u16 max_nr_send_wqes = qp->init_attr.cap.max_send_wr + 1; + int daqp_ctrl = parms->daqp_ctrl; + + allocate_controls = + EHCA_BMASK_SET(H_ALL_RES_QP_ENHANCED_OPS, + (daqp_ctrl & DAQP_CTRL_ENABLE) ? 1 : 0) + | EHCA_BMASK_SET(H_ALL_RES_QP_PTE_PIN, 0) + | EHCA_BMASK_SET(H_ALL_RES_QP_SERVICE_TYPE, parms->servicetype) + | EHCA_BMASK_SET(H_ALL_RES_QP_SIGNALING_TYPE, parms->sigtype) + | EHCA_BMASK_SET(H_ALL_RES_QP_LL_RQ_CQE_POSTING, + (daqp_ctrl & DAQP_CTRL_RECV_COMP) ? 1 : 0) + | EHCA_BMASK_SET(H_ALL_RES_QP_LL_SQ_CQE_POSTING, + (daqp_ctrl & DAQP_CTRL_SEND_COMP) ? 1 : 0) + | EHCA_BMASK_SET(H_ALL_RES_QP_UD_AV_LKEY_CTRL, + parms->ud_av_l_key_ctl) + | EHCA_BMASK_SET(H_ALL_RES_QP_RESOURCE_TYPE, 1); + + max_r10_reg = + EHCA_BMASK_SET(H_ALL_RES_QP_MAX_OUTST_SEND_WR, + max_nr_send_wqes) + | EHCA_BMASK_SET(H_ALL_RES_QP_MAX_OUTST_RECV_WR, + max_nr_receive_wqes) + | EHCA_BMASK_SET(H_ALL_RES_QP_MAX_SEND_SGE, + parms->max_send_sge) + | EHCA_BMASK_SET(H_ALL_RES_QP_MAX_RECV_SGE, + parms->max_recv_sge); + + ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, + adapter_handle.handle, /* r4 */ + allocate_controls, /* r5 */ + qp->send_cq->ipz_cq_handle.handle, + qp->recv_cq->ipz_cq_handle.handle, + parms->ipz_eq_handle.handle, + ((u64)qp->token << 32) | parms->pd.value, + max_r10_reg, /* r10 */ + parms->ud_av_l_key_ctl, /* r11 */ + 0); + qp->ipz_qp_handle.handle = outs[0]; + qp->real_qp_num = (u32)outs[1]; + parms->act_nr_send_sges = + (u16)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_OUTST_SEND_WR, outs[2]); + parms->act_nr_recv_wqes = + (u16)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_OUTST_RECV_WR, outs[2]); + parms->act_nr_send_sges = + (u8)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_SEND_SGE, outs[3]); + parms->act_nr_recv_sges = + (u8)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_RECV_SGE, outs[3]); + parms->nr_sq_pages = + (u32)EHCA_BMASK_GET(H_ALL_RES_QP_SQUEUE_SIZE_PAGES, outs[4]); + parms->nr_rq_pages = + (u32)EHCA_BMASK_GET(H_ALL_RES_QP_RQUEUE_SIZE_PAGES, outs[4]); + + if (ret == H_SUCCESS) + hcp_galpas_ctor(&qp->galpas, outs[6], outs[6]); + + if (ret == H_NOT_ENOUGH_RESOURCES) + ehca_gen_err("Not enough resources. ret=%lx", ret); + + return ret; +} + +u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle, + const u8 port_id, + struct hipz_query_port *query_port_response_block) +{ + u64 ret; + u64 r_cb = virt_to_abs(query_port_response_block); + + if (r_cb & (EHCA_PAGESIZE-1)) { + ehca_gen_err("response block not page aligned"); + return H_PARAMETER; + } + + ret = ehca_plpar_hcall_norets(H_QUERY_PORT, + adapter_handle.handle, /* r4 */ + port_id, /* r5 */ + r_cb, /* r6 */ + 0, 0, 0, 0); + + if (ehca_debug_level) + ehca_dmp(query_port_response_block, 64, "response_block"); + + return ret; +} + +u64 hipz_h_query_hca(const struct ipz_adapter_handle adapter_handle, + struct hipz_query_hca *query_hca_rblock) +{ + u64 r_cb = virt_to_abs(query_hca_rblock); + + if (r_cb & (EHCA_PAGESIZE-1)) { + ehca_gen_err("response_block=%p not page aligned", + query_hca_rblock); + return H_PARAMETER; + } + + return ehca_plpar_hcall_norets(H_QUERY_HCA, + adapter_handle.handle, /* r4 */ + r_cb, /* r5 */ + 0, 0, 0, 0, 0); +} + +u64 hipz_h_register_rpage(const struct ipz_adapter_handle adapter_handle, + const u8 pagesize, + const u8 queue_type, + const u64 resource_handle, + const u64 logical_address_of_page, + u64 count) +{ + return ehca_plpar_hcall_norets(H_REGISTER_RPAGES, + adapter_handle.handle, /* r4 */ + queue_type | pagesize << 8, /* r5 */ + resource_handle, /* r6 */ + logical_address_of_page, /* r7 */ + count, /* r8 */ + 0, 0); +} + +u64 hipz_h_register_rpage_eq(const struct ipz_adapter_handle adapter_handle, + const struct ipz_eq_handle eq_handle, + struct ehca_pfeq *pfeq, + const u8 pagesize, + const u8 queue_type, + const u64 logical_address_of_page, + const u64 count) +{ + if (count != 1) { + ehca_gen_err("Ppage counter=%lx", count); + return H_PARAMETER; + } + return hipz_h_register_rpage(adapter_handle, + pagesize, + queue_type, + eq_handle.handle, + logical_address_of_page, count); +} + +u64 hipz_h_query_int_state(const struct ipz_adapter_handle adapter_handle, + u32 ist) +{ + u64 ret; + ret = ehca_plpar_hcall_norets(H_QUERY_INT_STATE, + adapter_handle.handle, /* r4 */ + ist, /* r5 */ + 0, 0, 0, 0, 0); + + if (ret != H_SUCCESS && ret != H_BUSY) + ehca_gen_err("Could not query interrupt state."); + + return ret; +} + +u64 hipz_h_register_rpage_cq(const struct ipz_adapter_handle adapter_handle, + const struct ipz_cq_handle cq_handle, + struct ehca_pfcq *pfcq, + const u8 pagesize, + const u8 queue_type, + const u64 logical_address_of_page, + const u64 count, + const struct h_galpa gal) +{ + if (count != 1) { + ehca_gen_err("Page counter=%lx", count); + return H_PARAMETER; + } + + return hipz_h_register_rpage(adapter_handle, pagesize, queue_type, + cq_handle.handle, logical_address_of_page, + count); +} + +u64 hipz_h_register_rpage_qp(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct ehca_pfqp *pfqp, + const u8 pagesize, + const u8 queue_type, + const u64 logical_address_of_page, + const u64 count, + const struct h_galpa galpa) +{ + if (count != 1) { + ehca_gen_err("Page counter=%lx", count); + return H_PARAMETER; + } + + return hipz_h_register_rpage(adapter_handle,pagesize,queue_type, + qp_handle.handle,logical_address_of_page, + count); +} + +u64 hipz_h_disable_and_get_wqe(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct ehca_pfqp *pfqp, + void **log_addr_next_sq_wqe2processed, + void **log_addr_next_rq_wqe2processed, + int dis_and_get_function_code) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_DISABLE_AND_GETC, outs, + adapter_handle.handle, /* r4 */ + dis_and_get_function_code, /* r5 */ + qp_handle.handle, /* r6 */ + 0, 0, 0, 0, 0, 0); + if (log_addr_next_sq_wqe2processed) + *log_addr_next_sq_wqe2processed = (void*)outs[0]; + if (log_addr_next_rq_wqe2processed) + *log_addr_next_rq_wqe2processed = (void*)outs[1]; + + return ret; +} + +u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct ehca_pfqp *pfqp, + const u64 update_mask, + struct hcp_modify_qp_control_block *mqpcb, + struct h_galpa gal) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + ret = ehca_plpar_hcall9(H_MODIFY_QP, outs, + adapter_handle.handle, /* r4 */ + qp_handle.handle, /* r5 */ + update_mask, /* r6 */ + virt_to_abs(mqpcb), /* r7 */ + 0, 0, 0, 0, 0); + + if (ret == H_NOT_ENOUGH_RESOURCES) + ehca_gen_err("Insufficient resources ret=%lx", ret); + + return ret; +} + +u64 hipz_h_query_qp(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct ehca_pfqp *pfqp, + struct hcp_modify_qp_control_block *qqpcb, + struct h_galpa gal) +{ + return ehca_plpar_hcall_norets(H_QUERY_QP, + adapter_handle.handle, /* r4 */ + qp_handle.handle, /* r5 */ + virt_to_abs(qqpcb), /* r6 */ + 0, 0, 0, 0); +} + +u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle, + struct ehca_qp *qp) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = hcp_galpas_dtor(&qp->galpas); + if (ret) { + ehca_gen_err("Could not destruct qp->galpas"); + return H_RESOURCE; + } + ret = ehca_plpar_hcall9(H_DISABLE_AND_GETC, outs, + adapter_handle.handle, /* r4 */ + /* function code */ + 1, /* r5 */ + qp->ipz_qp_handle.handle, /* r6 */ + 0, 0, 0, 0, 0, 0); + if (ret == H_HARDWARE) + ehca_gen_err("HCA not operational. ret=%lx", ret); + + ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE, + adapter_handle.handle, /* r4 */ + qp->ipz_qp_handle.handle, /* r5 */ + 0, 0, 0, 0, 0); + + if (ret == H_RESOURCE) + ehca_gen_err("Resource still in use. ret=%lx", ret); + + return ret; +} + +u64 hipz_h_define_aqp0(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct h_galpa gal, + u32 port) +{ + return ehca_plpar_hcall_norets(H_DEFINE_AQP0, + adapter_handle.handle, /* r4 */ + qp_handle.handle, /* r5 */ + port, /* r6 */ + 0, 0, 0, 0); +} + +u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct h_galpa gal, + u32 port, u32 * pma_qp_nr, + u32 * bma_qp_nr) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_DEFINE_AQP1, outs, + adapter_handle.handle, /* r4 */ + qp_handle.handle, /* r5 */ + port, /* r6 */ + 0, 0, 0, 0, 0, 0); + *pma_qp_nr = (u32)outs[0]; + *bma_qp_nr = (u32)outs[1]; + + if (ret == H_ALIAS_EXIST) + ehca_gen_err("AQP1 already exists. ret=%lx", ret); + + return ret; +} + +u64 hipz_h_attach_mcqp(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct h_galpa gal, + u16 mcg_dlid, + u64 subnet_prefix, u64 interface_id) +{ + u64 ret; + + ret = ehca_plpar_hcall_norets(H_ATTACH_MCQP, + adapter_handle.handle, /* r4 */ + qp_handle.handle, /* r5 */ + mcg_dlid, /* r6 */ + interface_id, /* r7 */ + subnet_prefix, /* r8 */ + 0, 0); + + if (ret == H_NOT_ENOUGH_RESOURCES) + ehca_gen_err("Not enough resources. ret=%lx", ret); + + return ret; +} + +u64 hipz_h_detach_mcqp(const struct ipz_adapter_handle adapter_handle, + const struct ipz_qp_handle qp_handle, + struct h_galpa gal, + u16 mcg_dlid, + u64 subnet_prefix, u64 interface_id) +{ + return ehca_plpar_hcall_norets(H_DETACH_MCQP, + adapter_handle.handle, /* r4 */ + qp_handle.handle, /* r5 */ + mcg_dlid, /* r6 */ + interface_id, /* r7 */ + subnet_prefix, /* r8 */ + 0, 0); +} + +u64 hipz_h_destroy_cq(const struct ipz_adapter_handle adapter_handle, + struct ehca_cq *cq, + u8 force_flag) +{ + u64 ret; + + ret = hcp_galpas_dtor(&cq->galpas); + if (ret) { + ehca_gen_err("Could not destruct cp->galpas"); + return H_RESOURCE; + } + + ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE, + adapter_handle.handle, /* r4 */ + cq->ipz_cq_handle.handle, /* r5 */ + force_flag != 0 ? 1L : 0L, /* r6 */ + 0, 0, 0, 0); + + if (ret == H_RESOURCE) + ehca_gen_err("H_FREE_RESOURCE failed ret=%lx ", ret); + + return ret; +} + +u64 hipz_h_destroy_eq(const struct ipz_adapter_handle adapter_handle, + struct ehca_eq *eq) +{ + u64 ret; + + ret = hcp_galpas_dtor(&eq->galpas); + if (ret) { + ehca_gen_err("Could not destruct eq->galpas"); + return H_RESOURCE; + } + + ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE, + adapter_handle.handle, /* r4 */ + eq->ipz_eq_handle.handle, /* r5 */ + 0, 0, 0, 0, 0); + + if (ret == H_RESOURCE) + ehca_gen_err("Resource in use. ret=%lx ", ret); + + return ret; +} + +u64 hipz_h_alloc_resource_mr(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mr *mr, + const u64 vaddr, + const u64 length, + const u32 access_ctrl, + const struct ipz_pd pd, + struct ehca_mr_hipzout_parms *outparms) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, + adapter_handle.handle, /* r4 */ + 5, /* r5 */ + vaddr, /* r6 */ + length, /* r7 */ + (((u64)access_ctrl) << 32ULL), /* r8 */ + pd.value, /* r9 */ + 0, 0, 0); + outparms->handle.handle = outs[0]; + outparms->lkey = (u32)outs[2]; + outparms->rkey = (u32)outs[3]; + + return ret; +} + +u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mr *mr, + const u8 pagesize, + const u8 queue_type, + const u64 logical_address_of_page, + const u64 count) +{ + u64 ret; + + if ((count > 1) && (logical_address_of_page & (EHCA_PAGESIZE-1))) { + ehca_gen_err("logical_address_of_page not on a 4k boundary " + "adapter_handle=%lx mr=%p mr_handle=%lx " + "pagesize=%x queue_type=%x " + "logical_address_of_page=%lx count=%lx", + adapter_handle.handle, mr, + mr->ipz_mr_handle.handle, pagesize, queue_type, + logical_address_of_page, count); + ret = H_PARAMETER; + } else + ret = hipz_h_register_rpage(adapter_handle, pagesize, + queue_type, + mr->ipz_mr_handle.handle, + logical_address_of_page, count); + return ret; +} + +u64 hipz_h_query_mr(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mr *mr, + struct ehca_mr_hipzout_parms *outparms) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_QUERY_MR, outs, + adapter_handle.handle, /* r4 */ + mr->ipz_mr_handle.handle, /* r5 */ + 0, 0, 0, 0, 0, 0, 0); + outparms->len = outs[0]; + outparms->vaddr = outs[1]; + outparms->acl = outs[4] >> 32; + outparms->lkey = (u32)(outs[5] >> 32); + outparms->rkey = (u32)(outs[5] & (0xffffffff)); + + return ret; +} + +u64 hipz_h_free_resource_mr(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mr *mr) +{ + return ehca_plpar_hcall_norets(H_FREE_RESOURCE, + adapter_handle.handle, /* r4 */ + mr->ipz_mr_handle.handle, /* r5 */ + 0, 0, 0, 0, 0); +} + +u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mr *mr, + const u64 vaddr_in, + const u64 length, + const u32 access_ctrl, + const struct ipz_pd pd, + const u64 mr_addr_cb, + struct ehca_mr_hipzout_parms *outparms) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_REREGISTER_PMR, outs, + adapter_handle.handle, /* r4 */ + mr->ipz_mr_handle.handle, /* r5 */ + vaddr_in, /* r6 */ + length, /* r7 */ + /* r8 */ + ((((u64)access_ctrl) << 32ULL) | pd.value), + mr_addr_cb, /* r9 */ + 0, 0, 0); + outparms->vaddr = outs[1]; + outparms->lkey = (u32)outs[2]; + outparms->rkey = (u32)outs[3]; + + return ret; +} + +u64 hipz_h_register_smr(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mr *mr, + const struct ehca_mr *orig_mr, + const u64 vaddr_in, + const u32 access_ctrl, + const struct ipz_pd pd, + struct ehca_mr_hipzout_parms *outparms) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_REGISTER_SMR, outs, + adapter_handle.handle, /* r4 */ + orig_mr->ipz_mr_handle.handle, /* r5 */ + vaddr_in, /* r6 */ + (((u64)access_ctrl) << 32ULL), /* r7 */ + pd.value, /* r8 */ + 0, 0, 0, 0); + outparms->handle.handle = outs[0]; + outparms->lkey = (u32)outs[2]; + outparms->rkey = (u32)outs[3]; + + return ret; +} + +u64 hipz_h_alloc_resource_mw(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mw *mw, + const struct ipz_pd pd, + struct ehca_mw_hipzout_parms *outparms) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, + adapter_handle.handle, /* r4 */ + 6, /* r5 */ + pd.value, /* r6 */ + 0, 0, 0, 0, 0, 0); + outparms->handle.handle = outs[0]; + outparms->rkey = (u32)outs[3]; + + return ret; +} + +u64 hipz_h_query_mw(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mw *mw, + struct ehca_mw_hipzout_parms *outparms) +{ + u64 ret; + u64 outs[PLPAR_HCALL9_BUFSIZE]; + + ret = ehca_plpar_hcall9(H_QUERY_MW, outs, + adapter_handle.handle, /* r4 */ + mw->ipz_mw_handle.handle, /* r5 */ + 0, 0, 0, 0, 0, 0, 0); + outparms->rkey = (u32)outs[3]; + + return ret; +} + +u64 hipz_h_free_resource_mw(const struct ipz_adapter_handle adapter_handle, + const struct ehca_mw *mw) +{ + return ehca_plpar_hcall_norets(H_FREE_RESOURCE, + adapter_handle.handle, /* r4 */ + mw->ipz_mw_handle.handle, /* r5 */ + 0, 0, 0, 0, 0); +} + +u64 hipz_h_error_data(const struct ipz_adapter_handle adapter_handle, + const u64 ressource_handle, + void *rblock, + unsigned long *byte_count) +{ + u64 r_cb = virt_to_abs(rblock); + + if (r_cb & (EHCA_PAGESIZE-1)) { + ehca_gen_err("rblock not page aligned."); + return H_PARAMETER; + } + + return ehca_plpar_hcall_norets(H_ERROR_DATA, + adapter_handle.handle, + ressource_handle, + r_cb, + 0, 0, 0, 0); +} -- cgit v1.1