drivers/infiniband/hw/ehca/ehca_iverbs.h | 181 +++++++++++++
drivers/infiniband/hw/ehca/ehca_tools.h | 417 ++++++++++++++++++++++++++++++
2 files changed, 598 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
new file mode 100644
index 0000000..bbdc437
--- /dev/null
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -0,0 +1,181 @@
+/*
+ * 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);
+
+int ehca_query_port(struct ib_device *ibdev, u8 port,
+ struct ib_port_attr *props);
+
+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_phys_mr(struct ib_pd *pd,
+ struct ib_phys_buf *phys_buf_array,
+ int num_phys_buf,
+ int mr_access_flags, u64 *iova_start);
+
+struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd,
+ struct ib_umem *region,
+ int mr_access_flags, struct ib_udata *udata);
+
+int ehca_rereg_phys_mr(struct ib_mr *mr,
+ int mr_rereg_mask,
+ struct ib_pd *pd,
+ struct ib_phys_buf *phys_buf_array,
+ int num_phys_buf, int mr_access_flags, u64 *iova_start);
+
+int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
+
+int ehca_dereg_mr(struct ib_mr *mr);
+
+struct ib_mw *ehca_alloc_mw(struct ib_pd *pd);
+
+int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
+ struct ib_mw_bind *mw_bind);
+
+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, int cqe,
+ 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 cq_notify);
+
+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);
+
+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);
+
+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);
+
+void ehca_poll_eqs(unsigned long data);
+
+int ehca_mmap_nopage(u64 foffset,u64 length,void **mapped,
+ struct vm_area_struct **vma);
+
+int ehca_mmap_register(u64 physical,void **mapped,
+ struct vm_area_struct **vma);
+
+int ehca_munmap(unsigned long addr, size_t len);
+
+#endif
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h
new file mode 100644
index 0000000..783fbb3
--- /dev/null
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -0,0 +1,417 @@
+/*
+ * IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ * auxiliary functions
+ *
+ * Authors: Christoph Raisch <raisch@de.ibm.com>
+ * Hoang-Nam Nguyen <hnguyen@de.ibm.com>
+ * Khadija Souissi <souissik@de.ibm.com>
+ * Waleri Fomin <fomin@de.ibm.com>
+ * Heiko J Schick <schickhj@de.ibm.com>
+ *
+ * Copyright (c) 2005 IBM Corporation
+ *
+ * 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_TOOLS_H
+#define EHCA_TOOLS_H
+
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/idr.h>
+#include <linux/kthread.h>
+#include <linux/mm.h>
+#include <linux/mman.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
+#include <linux/version.h>
+#include <linux/notifier.h>
+#include <linux/cpu.h>
+
+#include <asm/abs_addr.h>
+#include <asm/ibmebus.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+
+#define EHCA_EDEB_TRACE_MASK_SIZE 32
+extern u8 ehca_edeb_mask[EHCA_EDEB_TRACE_MASK_SIZE];
+#define EDEB_ID_TO_U32(str4) (str4[3] | (str4[2] << 8) | (str4[1] << 16) | \
+ (str4[0] << 24))
+
+static inline u64 ehca_edeb_filter(const u32 level,
+ const u32 id, const u32 line)
+{
+ u64 ret = 0;
+ u32 filenr = 0;
+ u32 filter_level = 9;
+ u32 dynamic_level = 0;
+
+ /*
+ * This is code written for the gcc -O2 optimizer
+ * which should collapse to two single ints.
+ * Filter_level is the first level kicked out by
+ * compiler and means trace everything below 6.
+ */
+
+ if (id == EDEB_ID_TO_U32("ehav")) {
+ filenr = 0x01;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("clas")) {
+ filenr = 0x02;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("cqeq")) {
+ filenr = 0x03;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("shca")) {
+ filenr = 0x05;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("eirq")) {
+ filenr = 0x06;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("lMad")) {
+ filenr = 0x07;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("mcas")) {
+ filenr = 0x08;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("mrmw")) {
+ filenr = 0x09;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("vpd ")) {
+ filenr = 0x0a;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("e_qp")) {
+ filenr = 0x0b;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("uqes")) {
+ filenr = 0x0c;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("PHYP")) {
+ filenr = 0x0d;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("hcpi")) {
+ filenr = 0x0e;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("iptz")) {
+ filenr = 0x0f;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("spta")) {
+ filenr = 0x10;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("simp")) {
+ filenr = 0x11;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("reqs")) {
+ filenr = 0x12;
+ filter_level = 8;
+ }
+
+ if ((filenr - 1) > sizeof(ehca_edeb_mask)) {
+ filenr = 0;
+ }
+
+ if (filenr == 0) {
+ filter_level = 9;
+ } /* default */
+ ret = filenr * 0x10000 + line;
+ if (filter_level <= level) {
+ return ret | 0x100000000L; /* this is the flag to not trace */
+ }
+ dynamic_level = ehca_edeb_mask[filenr];
+ if (likely(dynamic_level <= level)) {
+ ret = ret | 0x100000000L;
+ };
+ return ret;
+}
+
+#ifdef EHCA_USE_HCALL_KERNEL
+#ifdef CONFIG_PPC_PSERIES
+
+#include <asm/paca.h>
+
+/*
+ * IS_EDEB_ON - Checks if debug is on for the given level.
+ */
+#define IS_EDEB_ON(level) \
+((ehca_edeb_filter(level, EDEB_ID_TO_U32(DEB_PREFIX), __LINE__) & \
+ 0x100000000L) == 0)
+
+#define EDEB_P_GENERIC(level,idstring,format,args...) \
+do { \
+ u64 ehca_edeb_filterresult = \
+ ehca_edeb_filter(level, EDEB_ID_TO_U32(DEB_PREFIX), __LINE__);\
+ if ((ehca_edeb_filterresult & 0x100000000L) == 0) \
+ printk("PU%04x %08x:%s " idstring " "format "\n", \
+ get_paca()->paca_index, (u32)(ehca_edeb_filterresult), \
+ __func__, ##args); \
+} while (1 == 0)
+
+#elif REAL_HCALL
+
+#define EDEB_P_GENERIC(level,idstring,format,args...) \
+do { \
+ u64 ehca_edeb_filterresult = \
+ ehca_edeb_filter(level, EDEB_ID_TO_U32(DEB_PREFIX), __LINE__); \
+ if ((ehca_edeb_filterresult & 0x100000000L) == 0) \
+ printk("%08x:%s " idstring " "format "\n", \
+ (u32)(ehca_edeb_filterresult), \
+ __func__, ##args); \
+} while (1 == 0)
+
+#endif
+#else
+
+#define IS_EDEB_ON(level) (1)
+
+#define EDEB_P_GENERIC(level,idstring,format,args...) \
+do { \
+ printk("%s " idstring " "format "\n", \
+ __func__, ##args); \
+} while (1 == 0)
+
+#endif
+
+/**
+ * EDEB - Trace output macro.
+ * @level: tracelevel
+ * @format: optional format string, use "" if not desired
+ * @args: printf like arguments for trace
+ */
+#define EDEB(level,format,args...) \
+ EDEB_P_GENERIC(level,"",format,##args)
+#define EDEB_ERR(level,format,args...) \
+ EDEB_P_GENERIC(level,"HCAD_ERROR ",format,##args)
+#define EDEB_EN(level,format,args...) \
+ EDEB_P_GENERIC(level,">>>",format,##args)
+#define EDEB_EX(level,format,args...) \
+ EDEB_P_GENERIC(level,"<<<",format,##args)
+
+/**
+ * EDEB_DMP - macro to dump a memory block, whose length is n*8 bytes.
+ * Each line has the following layout:
+ * <format string> adr=X ofs=Y <8 bytes hex> <8 bytes hex>
+ */
+#define EDEB_DMP(level,adr,len,format,args...) \
+ do { \
+ unsigned int x; \
+ unsigned int l = (unsigned int)(len); \
+ unsigned char *deb = (unsigned char*)(adr); \
+ for (x = 0; x < l; x += 16) { \
+ EDEB(level, format " adr=%p ofs=%04x %016lx %016lx", \
+ ##args, deb, x, \
+ *((u64 *)&deb[0]), *((u64 *)&deb[8])); \
+ deb += 16; \
+ } \
+ } while (0)
+
+/* define a bitmask, little endian version */
+#define EHCA_BMASK(pos,length) (((pos)<<16)+(length))
+
+/* define a bitmask, the ibm way... */
+#define EHCA_BMASK_IBM(from,to) (((63-to)<<16)+((to)-(from)+1))
+
+/* internal function, don't use */
+#define EHCA_BMASK_SHIFTPOS(mask) (((mask)>>16)&0xffff)
+
+/* internal function, don't use */
+#define EHCA_BMASK_MASK(mask) (0xffffffffffffffffULL >> ((64-(mask))&0xffff))
+
+/**
+ * EHCA_BMASK_SET - return value shifted and masked by mask
+ * variable|=EHCA_BMASK_SET(MY_MASK,0x4711) ORs the bits in variable
+ * variable&=~EHCA_BMASK_SET(MY_MASK,-1) clears the bits from the mask
+ * in variable
+ */
+#define EHCA_BMASK_SET(mask,value) \
+ ((EHCA_BMASK_MASK(mask) & ((u64)(value)))<<EHCA_BMASK_SHIFTPOS(mask))
+
+/**
+ * EHCA_BMASK_GET - extract a parameter from value by mask
+ */
+#define EHCA_BMASK_GET(mask,value) \
+ ( EHCA_BMASK_MASK(mask)& (((u64)(value))>>EHCA_BMASK_SHIFTPOS(mask)))
+
+#define PARANOIA_MODE
+#ifdef PARANOIA_MODE
+
+#define EHCA_CHECK_ADR_P(adr) \
+ if (unlikely(adr == 0)) { \
+ EDEB_ERR(4, "adr=%p check failed line %i", adr, \
+ __LINE__); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_ADR(adr) \
+ if (unlikely(adr == 0)) { \
+ EDEB_ERR(4, "adr=%p check failed line %i", adr, \
+ __LINE__); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_DEVICE_P(device) \
+ if (unlikely(device == 0)) { \
+ EDEB_ERR(4, "device=%p check failed", device); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_DEVICE(device) \
+ if (unlikely(device == 0)) { \
+ EDEB_ERR(4, "device=%p check failed", device); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_PD(pd) \
+ if (unlikely(pd == 0)) { \
+ EDEB_ERR(4, "pd=%p check failed", pd); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_PD_P(pd) \
+ if (unlikely(pd == 0)) { \
+ EDEB_ERR(4, "pd=%p check failed", pd); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_AV(av) \
+ if (unlikely(av == 0)) { \
+ EDEB_ERR(4, "av=%p check failed", av); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_AV_P(av) \
+ if (unlikely(av == 0)) { \
+ EDEB_ERR(4, "av=%p check failed", av); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_CQ(cq) \
+ if (unlikely(cq == 0)) { \
+ EDEB_ERR(4, "cq=%p check failed", cq); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_CQ_P(cq) \
+ if (unlikely(cq == 0)) { \
+ EDEB_ERR(4, "cq=%p check failed", cq); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_EQ(eq) \
+ if (unlikely(eq == 0)) { \
+ EDEB_ERR(4, "eq=%p check failed", eq); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_EQ_P(eq) \
+ if (unlikely(eq == 0)) { \
+ EDEB_ERR(4, "eq=%p check failed", eq); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_QP(qp) \
+ if (unlikely(qp == 0)) { \
+ EDEB_ERR(4, "qp=%p check failed", qp); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_QP_P(qp) \
+ if (unlikely(qp == 0)) { \
+ EDEB_ERR(4, "qp=%p check failed", qp); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_MR(mr) \
+ if (unlikely(mr == 0)) { \
+ EDEB_ERR(4, "mr=%p check failed", mr); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_MR_P(mr) \
+ if (unlikely(mr == 0)) { \
+ EDEB_ERR(4, "mr=%p check failed", mr); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_MW(mw) \
+ if (unlikely(mw == 0)) { \
+ EDEB_ERR(4, "mw=%p check failed", mw); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_MW_P(mw) \
+ if (unlikely(mw == 0)) { \
+ EDEB_ERR(4, "mw=%p check failed", mw); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_FMR(fmr) \
+ if (unlikely(fmr == 0)) { \
+ EDEB_ERR(4, "fmr=%p check failed", fmr); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_FMR_P(fmr) \
+ if (unlikely(fmr == 0)) { \
+ EDEB_ERR(4, "fmr=%p check failed", fmr); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_REGISTER_PD(device,pd)
+#define EHCA_REGISTER_AV(pd,av)
+#define EHCA_DEREGISTER_PD(PD)
+#define EHCA_DEREGISTER_AV(av)
+#else
+#define EHCA_CHECK_DEVICE_P(device)
+
+#define EHCA_CHECK_PD(pd)
+#define EHCA_REGISTER_PD(device,pd)
+#define EHCA_DEREGISTER_PD(PD)
+#endif
+
+static inline int ehca_adr_bad(void *adr)
+{
+ return !adr;
+}
+
+/* Converts ehca to ib return code */
+static inline int ehca2ib_return_code(u64 ehca_rc)
+{
+ switch (ehca_rc) {
+ case H_SUCCESS:
+ return 0;
+ case H_BUSY:
+ return -EBUSY;
+ case H_NO_MEM:
+ return -ENOMEM;
+ default:
+ return -EINVAL;
+ }
+}
+
+#endif /* EHCA_TOOLS_H */
--
1.4.1
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drivers/infiniband/hw/ehca/ehca_tools.h | 417 ++++++++++++++++++++++++++++++
2 files changed, 598 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
new file mode 100644
index 0000000..bbdc437
--- /dev/null
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -0,0 +1,181 @@
+/*
+ * 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);
+
+int ehca_query_port(struct ib_device *ibdev, u8 port,
+ struct ib_port_attr *props);
+
+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_phys_mr(struct ib_pd *pd,
+ struct ib_phys_buf *phys_buf_array,
+ int num_phys_buf,
+ int mr_access_flags, u64 *iova_start);
+
+struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd,
+ struct ib_umem *region,
+ int mr_access_flags, struct ib_udata *udata);
+
+int ehca_rereg_phys_mr(struct ib_mr *mr,
+ int mr_rereg_mask,
+ struct ib_pd *pd,
+ struct ib_phys_buf *phys_buf_array,
+ int num_phys_buf, int mr_access_flags, u64 *iova_start);
+
+int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
+
+int ehca_dereg_mr(struct ib_mr *mr);
+
+struct ib_mw *ehca_alloc_mw(struct ib_pd *pd);
+
+int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
+ struct ib_mw_bind *mw_bind);
+
+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, int cqe,
+ 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 cq_notify);
+
+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);
+
+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);
+
+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);
+
+void ehca_poll_eqs(unsigned long data);
+
+int ehca_mmap_nopage(u64 foffset,u64 length,void **mapped,
+ struct vm_area_struct **vma);
+
+int ehca_mmap_register(u64 physical,void **mapped,
+ struct vm_area_struct **vma);
+
+int ehca_munmap(unsigned long addr, size_t len);
+
+#endif
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h
new file mode 100644
index 0000000..783fbb3
--- /dev/null
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -0,0 +1,417 @@
+/*
+ * IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ * auxiliary functions
+ *
+ * Authors: Christoph Raisch <raisch@de.ibm.com>
+ * Hoang-Nam Nguyen <hnguyen@de.ibm.com>
+ * Khadija Souissi <souissik@de.ibm.com>
+ * Waleri Fomin <fomin@de.ibm.com>
+ * Heiko J Schick <schickhj@de.ibm.com>
+ *
+ * Copyright (c) 2005 IBM Corporation
+ *
+ * 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_TOOLS_H
+#define EHCA_TOOLS_H
+
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/idr.h>
+#include <linux/kthread.h>
+#include <linux/mm.h>
+#include <linux/mman.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
+#include <linux/version.h>
+#include <linux/notifier.h>
+#include <linux/cpu.h>
+
+#include <asm/abs_addr.h>
+#include <asm/ibmebus.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+
+#define EHCA_EDEB_TRACE_MASK_SIZE 32
+extern u8 ehca_edeb_mask[EHCA_EDEB_TRACE_MASK_SIZE];
+#define EDEB_ID_TO_U32(str4) (str4[3] | (str4[2] << 8) | (str4[1] << 16) | \
+ (str4[0] << 24))
+
+static inline u64 ehca_edeb_filter(const u32 level,
+ const u32 id, const u32 line)
+{
+ u64 ret = 0;
+ u32 filenr = 0;
+ u32 filter_level = 9;
+ u32 dynamic_level = 0;
+
+ /*
+ * This is code written for the gcc -O2 optimizer
+ * which should collapse to two single ints.
+ * Filter_level is the first level kicked out by
+ * compiler and means trace everything below 6.
+ */
+
+ if (id == EDEB_ID_TO_U32("ehav")) {
+ filenr = 0x01;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("clas")) {
+ filenr = 0x02;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("cqeq")) {
+ filenr = 0x03;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("shca")) {
+ filenr = 0x05;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("eirq")) {
+ filenr = 0x06;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("lMad")) {
+ filenr = 0x07;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("mcas")) {
+ filenr = 0x08;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("mrmw")) {
+ filenr = 0x09;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("vpd ")) {
+ filenr = 0x0a;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("e_qp")) {
+ filenr = 0x0b;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("uqes")) {
+ filenr = 0x0c;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("PHYP")) {
+ filenr = 0x0d;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("hcpi")) {
+ filenr = 0x0e;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("iptz")) {
+ filenr = 0x0f;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("spta")) {
+ filenr = 0x10;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("simp")) {
+ filenr = 0x11;
+ filter_level = 8;
+ }
+ if (id == EDEB_ID_TO_U32("reqs")) {
+ filenr = 0x12;
+ filter_level = 8;
+ }
+
+ if ((filenr - 1) > sizeof(ehca_edeb_mask)) {
+ filenr = 0;
+ }
+
+ if (filenr == 0) {
+ filter_level = 9;
+ } /* default */
+ ret = filenr * 0x10000 + line;
+ if (filter_level <= level) {
+ return ret | 0x100000000L; /* this is the flag to not trace */
+ }
+ dynamic_level = ehca_edeb_mask[filenr];
+ if (likely(dynamic_level <= level)) {
+ ret = ret | 0x100000000L;
+ };
+ return ret;
+}
+
+#ifdef EHCA_USE_HCALL_KERNEL
+#ifdef CONFIG_PPC_PSERIES
+
+#include <asm/paca.h>
+
+/*
+ * IS_EDEB_ON - Checks if debug is on for the given level.
+ */
+#define IS_EDEB_ON(level) \
+((ehca_edeb_filter(level, EDEB_ID_TO_U32(DEB_PREFIX), __LINE__) & \
+ 0x100000000L) == 0)
+
+#define EDEB_P_GENERIC(level,idstring,format,args...) \
+do { \
+ u64 ehca_edeb_filterresult = \
+ ehca_edeb_filter(level, EDEB_ID_TO_U32(DEB_PREFIX), __LINE__);\
+ if ((ehca_edeb_filterresult & 0x100000000L) == 0) \
+ printk("PU%04x %08x:%s " idstring " "format "\n", \
+ get_paca()->paca_index, (u32)(ehca_edeb_filterresult), \
+ __func__, ##args); \
+} while (1 == 0)
+
+#elif REAL_HCALL
+
+#define EDEB_P_GENERIC(level,idstring,format,args...) \
+do { \
+ u64 ehca_edeb_filterresult = \
+ ehca_edeb_filter(level, EDEB_ID_TO_U32(DEB_PREFIX), __LINE__); \
+ if ((ehca_edeb_filterresult & 0x100000000L) == 0) \
+ printk("%08x:%s " idstring " "format "\n", \
+ (u32)(ehca_edeb_filterresult), \
+ __func__, ##args); \
+} while (1 == 0)
+
+#endif
+#else
+
+#define IS_EDEB_ON(level) (1)
+
+#define EDEB_P_GENERIC(level,idstring,format,args...) \
+do { \
+ printk("%s " idstring " "format "\n", \
+ __func__, ##args); \
+} while (1 == 0)
+
+#endif
+
+/**
+ * EDEB - Trace output macro.
+ * @level: tracelevel
+ * @format: optional format string, use "" if not desired
+ * @args: printf like arguments for trace
+ */
+#define EDEB(level,format,args...) \
+ EDEB_P_GENERIC(level,"",format,##args)
+#define EDEB_ERR(level,format,args...) \
+ EDEB_P_GENERIC(level,"HCAD_ERROR ",format,##args)
+#define EDEB_EN(level,format,args...) \
+ EDEB_P_GENERIC(level,">>>",format,##args)
+#define EDEB_EX(level,format,args...) \
+ EDEB_P_GENERIC(level,"<<<",format,##args)
+
+/**
+ * EDEB_DMP - macro to dump a memory block, whose length is n*8 bytes.
+ * Each line has the following layout:
+ * <format string> adr=X ofs=Y <8 bytes hex> <8 bytes hex>
+ */
+#define EDEB_DMP(level,adr,len,format,args...) \
+ do { \
+ unsigned int x; \
+ unsigned int l = (unsigned int)(len); \
+ unsigned char *deb = (unsigned char*)(adr); \
+ for (x = 0; x < l; x += 16) { \
+ EDEB(level, format " adr=%p ofs=%04x %016lx %016lx", \
+ ##args, deb, x, \
+ *((u64 *)&deb[0]), *((u64 *)&deb[8])); \
+ deb += 16; \
+ } \
+ } while (0)
+
+/* define a bitmask, little endian version */
+#define EHCA_BMASK(pos,length) (((pos)<<16)+(length))
+
+/* define a bitmask, the ibm way... */
+#define EHCA_BMASK_IBM(from,to) (((63-to)<<16)+((to)-(from)+1))
+
+/* internal function, don't use */
+#define EHCA_BMASK_SHIFTPOS(mask) (((mask)>>16)&0xffff)
+
+/* internal function, don't use */
+#define EHCA_BMASK_MASK(mask) (0xffffffffffffffffULL >> ((64-(mask))&0xffff))
+
+/**
+ * EHCA_BMASK_SET - return value shifted and masked by mask
+ * variable|=EHCA_BMASK_SET(MY_MASK,0x4711) ORs the bits in variable
+ * variable&=~EHCA_BMASK_SET(MY_MASK,-1) clears the bits from the mask
+ * in variable
+ */
+#define EHCA_BMASK_SET(mask,value) \
+ ((EHCA_BMASK_MASK(mask) & ((u64)(value)))<<EHCA_BMASK_SHIFTPOS(mask))
+
+/**
+ * EHCA_BMASK_GET - extract a parameter from value by mask
+ */
+#define EHCA_BMASK_GET(mask,value) \
+ ( EHCA_BMASK_MASK(mask)& (((u64)(value))>>EHCA_BMASK_SHIFTPOS(mask)))
+
+#define PARANOIA_MODE
+#ifdef PARANOIA_MODE
+
+#define EHCA_CHECK_ADR_P(adr) \
+ if (unlikely(adr == 0)) { \
+ EDEB_ERR(4, "adr=%p check failed line %i", adr, \
+ __LINE__); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_ADR(adr) \
+ if (unlikely(adr == 0)) { \
+ EDEB_ERR(4, "adr=%p check failed line %i", adr, \
+ __LINE__); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_DEVICE_P(device) \
+ if (unlikely(device == 0)) { \
+ EDEB_ERR(4, "device=%p check failed", device); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_DEVICE(device) \
+ if (unlikely(device == 0)) { \
+ EDEB_ERR(4, "device=%p check failed", device); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_PD(pd) \
+ if (unlikely(pd == 0)) { \
+ EDEB_ERR(4, "pd=%p check failed", pd); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_PD_P(pd) \
+ if (unlikely(pd == 0)) { \
+ EDEB_ERR(4, "pd=%p check failed", pd); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_AV(av) \
+ if (unlikely(av == 0)) { \
+ EDEB_ERR(4, "av=%p check failed", av); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_AV_P(av) \
+ if (unlikely(av == 0)) { \
+ EDEB_ERR(4, "av=%p check failed", av); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_CQ(cq) \
+ if (unlikely(cq == 0)) { \
+ EDEB_ERR(4, "cq=%p check failed", cq); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_CQ_P(cq) \
+ if (unlikely(cq == 0)) { \
+ EDEB_ERR(4, "cq=%p check failed", cq); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_EQ(eq) \
+ if (unlikely(eq == 0)) { \
+ EDEB_ERR(4, "eq=%p check failed", eq); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_EQ_P(eq) \
+ if (unlikely(eq == 0)) { \
+ EDEB_ERR(4, "eq=%p check failed", eq); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_QP(qp) \
+ if (unlikely(qp == 0)) { \
+ EDEB_ERR(4, "qp=%p check failed", qp); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_QP_P(qp) \
+ if (unlikely(qp == 0)) { \
+ EDEB_ERR(4, "qp=%p check failed", qp); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_MR(mr) \
+ if (unlikely(mr == 0)) { \
+ EDEB_ERR(4, "mr=%p check failed", mr); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_MR_P(mr) \
+ if (unlikely(mr == 0)) { \
+ EDEB_ERR(4, "mr=%p check failed", mr); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_MW(mw) \
+ if (unlikely(mw == 0)) { \
+ EDEB_ERR(4, "mw=%p check failed", mw); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_MW_P(mw) \
+ if (unlikely(mw == 0)) { \
+ EDEB_ERR(4, "mw=%p check failed", mw); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_CHECK_FMR(fmr) \
+ if (unlikely(fmr == 0)) { \
+ EDEB_ERR(4, "fmr=%p check failed", fmr); \
+ return -EFAULT; }
+
+#define EHCA_CHECK_FMR_P(fmr) \
+ if (unlikely(fmr == 0)) { \
+ EDEB_ERR(4, "fmr=%p check failed", fmr); \
+ return ERR_PTR(-EFAULT); }
+
+#define EHCA_REGISTER_PD(device,pd)
+#define EHCA_REGISTER_AV(pd,av)
+#define EHCA_DEREGISTER_PD(PD)
+#define EHCA_DEREGISTER_AV(av)
+#else
+#define EHCA_CHECK_DEVICE_P(device)
+
+#define EHCA_CHECK_PD(pd)
+#define EHCA_REGISTER_PD(device,pd)
+#define EHCA_DEREGISTER_PD(PD)
+#endif
+
+static inline int ehca_adr_bad(void *adr)
+{
+ return !adr;
+}
+
+/* Converts ehca to ib return code */
+static inline int ehca2ib_return_code(u64 ehca_rc)
+{
+ switch (ehca_rc) {
+ case H_SUCCESS:
+ return 0;
+ case H_BUSY:
+ return -EBUSY;
+ case H_NO_MEM:
+ return -ENOMEM;
+ default:
+ return -EINVAL;
+ }
+}
+
+#endif /* EHCA_TOOLS_H */
--
1.4.1
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