-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include "selftest.h"
+static int brw_srv_workitems = SFW_TEST_WI_MAX;
+CFS_MODULE_PARM(brw_srv_workitems, "i", int, 0644, "# BRW server workitems");
-extern int brw_inject_errors;
+static int brw_inject_errors;
+CFS_MODULE_PARM(brw_inject_errors, "i", int, 0644,
+ "# data errors to inject randomly, zero by default");
static void
brw_client_fini (sfw_test_instance_t *tsi)
{
- srpc_bulk_t *bulk;
- sfw_test_unit_t *tsu;
+ srpc_bulk_t *bulk;
+ sfw_test_unit_t *tsu;
- LASSERT (tsi->tsi_is_client);
+ LASSERT(tsi->tsi_is_client);
- list_for_each_entry (tsu, &tsi->tsi_units, tsu_list) {
- bulk = tsu->tsu_private;
- if (bulk == NULL) continue;
+ list_for_each_entry(tsu, &tsi->tsi_units, tsu_list) {
+ bulk = tsu->tsu_private;
+ if (bulk == NULL)
+ continue;
- srpc_free_bulk(bulk);
- tsu->tsu_private = NULL;
- }
+ srpc_free_bulk(bulk);
+ tsu->tsu_private = NULL;
+ }
}
-int
+static int
brw_client_init (sfw_test_instance_t *tsi)
{
- test_bulk_req_t *breq = &tsi->tsi_u.bulk;
- int flags = breq->blk_flags;
- int npg = breq->blk_npg;
- srpc_bulk_t *bulk;
- sfw_test_unit_t *tsu;
-
- LASSERT (tsi->tsi_is_client);
-
- if (npg > LNET_MAX_IOV || npg <= 0)
- return -EINVAL;
-
- if (breq->blk_opc != LST_BRW_READ && breq->blk_opc != LST_BRW_WRITE)
- return -EINVAL;
-
- if (flags != LST_BRW_CHECK_NONE &&
- flags != LST_BRW_CHECK_FULL && flags != LST_BRW_CHECK_SIMPLE)
- return -EINVAL;
-
- list_for_each_entry (tsu, &tsi->tsi_units, tsu_list) {
- bulk = srpc_alloc_bulk(npg, breq->blk_opc == LST_BRW_READ);
- if (bulk == NULL) {
- brw_client_fini(tsi);
- return -ENOMEM;
- }
-
- tsu->tsu_private = bulk;
- }
-
- return 0;
+ sfw_session_t *sn = tsi->tsi_batch->bat_session;
+ int flags;
+ int npg;
+ int len;
+ int opc;
+ srpc_bulk_t *bulk;
+ sfw_test_unit_t *tsu;
+
+ LASSERT(sn != NULL);
+ LASSERT(tsi->tsi_is_client);
+
+ if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+ test_bulk_req_t *breq = &tsi->tsi_u.bulk_v0;
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ npg = breq->blk_npg;
+ /* NB: this is not going to work for variable page size,
+ * but we have to keep it for compatibility */
+ len = npg * PAGE_CACHE_SIZE;
+
+ } else {
+ test_bulk_req_v1_t *breq = &tsi->tsi_u.bulk_v1;
+
+ /* I should never get this step if it's unknown feature
+ * because make_session will reject unknown feature */
+ LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ len = breq->blk_len;
+ npg = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ }
+
+ if (npg > LNET_MAX_IOV || npg <= 0)
+ return -EINVAL;
+
+ if (opc != LST_BRW_READ && opc != LST_BRW_WRITE)
+ return -EINVAL;
+
+ if (flags != LST_BRW_CHECK_NONE &&
+ flags != LST_BRW_CHECK_FULL && flags != LST_BRW_CHECK_SIMPLE)
+ return -EINVAL;
+
+ list_for_each_entry(tsu, &tsi->tsi_units, tsu_list) {
+ bulk = srpc_alloc_bulk(lnet_cpt_of_nid(tsu->tsu_dest.nid),
+ npg, len, opc == LST_BRW_READ);
+ if (bulk == NULL) {
+ brw_client_fini(tsi);
+ return -ENOMEM;
+ }
+
+ tsu->tsu_private = bulk;
+ }
+
+ return 0;
}
#define BRW_POISON 0xbeefbeefbeefbeefULL
#define BRW_MAGIC 0xeeb0eeb1eeb2eeb3ULL
#define BRW_MSIZE sizeof(__u64)
-int
-brw_inject_one_error (void)
+static int brw_inject_one_error(void)
{
- struct timeval tv;
+ struct timeval tv;
- if (brw_inject_errors <= 0) return 0;
+ if (brw_inject_errors <= 0) return 0;
#ifndef __KERNEL__
- gettimeofday(&tv, NULL);
+ gettimeofday(&tv, NULL);
#else
- do_gettimeofday(&tv);
+ do_gettimeofday(&tv);
#endif
- if ((tv.tv_usec & 1) == 0) return 0;
+ if ((tv.tv_usec & 1) == 0) return 0;
- return brw_inject_errors--;
+ return brw_inject_errors--;
}
-void
-brw_fill_page (cfs_page_t *pg, int pattern, __u64 magic)
+static void
+brw_fill_page(struct page *pg, int pattern, __u64 magic)
{
- char *addr = cfs_page_address(pg);
+ char *addr = page_address(pg);
int i;
LASSERT (addr != NULL);
if (pattern == LST_BRW_CHECK_SIMPLE) {
memcpy(addr, &magic, BRW_MSIZE);
- addr += CFS_PAGE_SIZE - BRW_MSIZE;
+ addr += PAGE_CACHE_SIZE - BRW_MSIZE;
memcpy(addr, &magic, BRW_MSIZE);
return;
}
if (pattern == LST_BRW_CHECK_FULL) {
- for (i = 0; i < CFS_PAGE_SIZE / BRW_MSIZE; i++)
+ for (i = 0; i < PAGE_CACHE_SIZE / BRW_MSIZE; i++)
memcpy(addr + i * BRW_MSIZE, &magic, BRW_MSIZE);
return;
}
return;
}
-int
-brw_check_page (cfs_page_t *pg, int pattern, __u64 magic)
+static int
+brw_check_page(struct page *pg, int pattern, __u64 magic)
{
- char *addr = cfs_page_address(pg);
- __u64 data;
+ char *addr = page_address(pg);
+ __u64 data = 0; /* make compiler happy */
int i;
LASSERT (addr != NULL);
data = *((__u64 *) addr);
if (data != magic) goto bad_data;
- addr += CFS_PAGE_SIZE - BRW_MSIZE;
+ addr += PAGE_CACHE_SIZE - BRW_MSIZE;
data = *((__u64 *) addr);
if (data != magic) goto bad_data;
}
if (pattern == LST_BRW_CHECK_FULL) {
- for (i = 0; i < CFS_PAGE_SIZE / BRW_MSIZE; i++) {
+ for (i = 0; i < PAGE_CACHE_SIZE / BRW_MSIZE; i++) {
data = *(((__u64 *) addr) + i);
if (data != magic) goto bad_data;
}
return 1;
}
-void
-brw_fill_bulk (srpc_bulk_t *bk, int pattern, __u64 magic)
+static void
+brw_fill_bulk(srpc_bulk_t *bk, int pattern, __u64 magic)
{
int i;
- cfs_page_t *pg;
+ struct page *pg;
for (i = 0; i < bk->bk_niov; i++) {
#ifdef __KERNEL__
}
}
-int
-brw_check_bulk (srpc_bulk_t *bk, int pattern, __u64 magic)
+static int
+brw_check_bulk(srpc_bulk_t *bk, int pattern, __u64 magic)
{
int i;
- cfs_page_t *pg;
+ struct page *pg;
for (i = 0; i < bk->bk_niov; i++) {
#ifdef __KERNEL__
{
srpc_bulk_t *bulk = tsu->tsu_private;
sfw_test_instance_t *tsi = tsu->tsu_instance;
- test_bulk_req_t *breq = &tsi->tsi_u.bulk;
- int npg = breq->blk_npg;
- int flags = breq->blk_flags;
- srpc_client_rpc_t *rpc;
- srpc_brw_reqst_t *req;
- int rc;
-
- LASSERT (bulk != NULL);
- LASSERT (bulk->bk_niov == npg);
-
- rc = sfw_create_test_rpc(tsu, dest, npg, npg * CFS_PAGE_SIZE, &rpc);
- if (rc != 0) return rc;
-
- memcpy(&rpc->crpc_bulk, bulk, offsetof(srpc_bulk_t, bk_iovs[npg]));
- if (breq->blk_opc == LST_BRW_WRITE)
- brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_MAGIC);
- else
- brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_POISON);
-
- req = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
- req->brw_flags = flags;
- req->brw_rw = breq->blk_opc;
- req->brw_len = npg * CFS_PAGE_SIZE;
-
- *rpcpp = rpc;
- return 0;
+ sfw_session_t *sn = tsi->tsi_batch->bat_session;
+ srpc_client_rpc_t *rpc;
+ srpc_brw_reqst_t *req;
+ int flags;
+ int npg;
+ int len;
+ int opc;
+ int rc;
+
+ LASSERT(sn != NULL);
+ LASSERT(bulk != NULL);
+
+ if ((sn->sn_features & LST_FEAT_BULK_LEN) == 0) {
+ test_bulk_req_t *breq = &tsi->tsi_u.bulk_v0;
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ npg = breq->blk_npg;
+ len = npg * PAGE_CACHE_SIZE;
+
+ } else {
+ test_bulk_req_v1_t *breq = &tsi->tsi_u.bulk_v1;
+
+ /* I should never get this step if it's unknown feature
+ * because make_session will reject unknown feature */
+ LASSERT((sn->sn_features & ~LST_FEATS_MASK) == 0);
+
+ opc = breq->blk_opc;
+ flags = breq->blk_flags;
+ len = breq->blk_len;
+ npg = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ }
+
+ rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, npg, len, &rpc);
+ if (rc != 0)
+ return rc;
+
+ memcpy(&rpc->crpc_bulk, bulk, offsetof(srpc_bulk_t, bk_iovs[npg]));
+ if (opc == LST_BRW_WRITE)
+ brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_MAGIC);
+ else
+ brw_fill_bulk(&rpc->crpc_bulk, flags, BRW_POISON);
+
+ req = &rpc->crpc_reqstmsg.msg_body.brw_reqst;
+ req->brw_flags = flags;
+ req->brw_rw = opc;
+ req->brw_len = len;
+
+ *rpcpp = rpc;
+ return 0;
}
static void
CERROR ("BRW RPC to %s failed with %d\n",
libcfs_id2str(rpc->crpc_dest), rpc->crpc_status);
if (!tsi->tsi_stopping) /* rpc could have been aborted */
- atomic_inc(&sn->sn_brw_errors);
+ atomic_inc(&sn->sn_brw_errors);
goto out;
}
libcfs_id2str(rpc->crpc_dest), reply->brw_status);
if (reply->brw_status != 0) {
- atomic_inc(&sn->sn_brw_errors);
- rpc->crpc_status = -reply->brw_status;
+ atomic_inc(&sn->sn_brw_errors);
+ rpc->crpc_status = -(int)reply->brw_status;
goto out;
}
if (brw_check_bulk(&rpc->crpc_bulk, reqst->brw_flags, magic) != 0) {
CERROR ("Bulk data from %s is corrupted!\n",
libcfs_id2str(rpc->crpc_dest));
- atomic_inc(&sn->sn_brw_errors);
+ atomic_inc(&sn->sn_brw_errors);
rpc->crpc_status = -EBADMSG;
}
return;
}
-void
-brw_server_rpc_done (srpc_server_rpc_t *rpc)
+static void
+brw_server_rpc_done(srpc_server_rpc_t *rpc)
{
srpc_bulk_t *blk = rpc->srpc_bulk;
sfw_free_pages(rpc);
}
-int
-brw_bulk_ready (srpc_server_rpc_t *rpc, int status)
+static int
+brw_bulk_ready(srpc_server_rpc_t *rpc, int status)
{
__u64 magic = BRW_MAGIC;
srpc_brw_reply_t *reply = &rpc->srpc_replymsg.msg_body.brw_reply;
return 0;
}
-int
-brw_server_handle (srpc_server_rpc_t *rpc)
+static int
+brw_server_handle(struct srpc_server_rpc *rpc)
{
- srpc_service_t *sv = rpc->srpc_service;
+ struct srpc_service *sv = rpc->srpc_scd->scd_svc;
srpc_msg_t *replymsg = &rpc->srpc_replymsg;
srpc_msg_t *reqstmsg = &rpc->srpc_reqstbuf->buf_msg;
srpc_brw_reply_t *reply = &replymsg->msg_body.brw_reply;
srpc_brw_reqst_t *reqst = &reqstmsg->msg_body.brw_reqst;
+ int npg;
int rc;
LASSERT (sv->sv_id == SRPC_SERVICE_BRW);
if (reqstmsg->msg_magic != SRPC_MSG_MAGIC) {
LASSERT (reqstmsg->msg_magic == __swab32(SRPC_MSG_MAGIC));
- __swab32s(&reqstmsg->msg_type);
__swab32s(&reqst->brw_rw);
__swab32s(&reqst->brw_len);
__swab32s(&reqst->brw_flags);
__swab64s(&reqst->brw_rpyid);
__swab64s(&reqst->brw_bulkid);
}
- LASSERT (reqstmsg->msg_type == srpc_service2request(sv->sv_id));
+ LASSERT (reqstmsg->msg_type == (__u32)srpc_service2request(sv->sv_id));
+ reply->brw_status = 0;
rpc->srpc_done = brw_server_rpc_done;
if ((reqst->brw_rw != LST_BRW_READ && reqst->brw_rw != LST_BRW_WRITE) ||
- reqst->brw_len == 0 || (reqst->brw_len & ~CFS_PAGE_MASK) != 0 ||
- reqst->brw_len / CFS_PAGE_SIZE > LNET_MAX_IOV ||
(reqst->brw_flags != LST_BRW_CHECK_NONE &&
reqst->brw_flags != LST_BRW_CHECK_FULL &&
reqst->brw_flags != LST_BRW_CHECK_SIMPLE)) {
reply->brw_status = EINVAL;
return 0;
}
-
- reply->brw_status = 0;
- rc = sfw_alloc_pages(rpc, reqst->brw_len / CFS_PAGE_SIZE,
- reqst->brw_rw == LST_BRW_WRITE);
- if (rc != 0) return rc;
+
+ if ((reqstmsg->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
+ replymsg->msg_ses_feats = LST_FEATS_MASK;
+ reply->brw_status = EPROTO;
+ return 0;
+ }
+
+ if ((reqstmsg->msg_ses_feats & LST_FEAT_BULK_LEN) == 0) {
+ /* compat with old version */
+ if ((reqst->brw_len & ~CFS_PAGE_MASK) != 0) {
+ reply->brw_status = EINVAL;
+ return 0;
+ }
+ npg = reqst->brw_len >> PAGE_CACHE_SHIFT;
+
+ } else {
+ npg = (reqst->brw_len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+ }
+
+ replymsg->msg_ses_feats = reqstmsg->msg_ses_feats;
+
+ if (reqst->brw_len == 0 || npg > LNET_MAX_IOV) {
+ reply->brw_status = EINVAL;
+ return 0;
+ }
+
+ rc = sfw_alloc_pages(rpc, rpc->srpc_scd->scd_cpt, npg,
+ reqst->brw_len,
+ reqst->brw_rw == LST_BRW_WRITE);
+ if (rc != 0)
+ return rc;
if (reqst->brw_rw == LST_BRW_READ)
brw_fill_bulk(rpc->srpc_bulk, reqst->brw_flags, BRW_MAGIC);
return 0;
}
-sfw_test_client_ops_t brw_test_client =
+sfw_test_client_ops_t brw_test_client;
+void brw_init_test_client(void)
{
- .tso_init = brw_client_init,
- .tso_fini = brw_client_fini,
- .tso_prep_rpc = brw_client_prep_rpc,
- .tso_done_rpc = brw_client_done_rpc,
+ brw_test_client.tso_init = brw_client_init;
+ brw_test_client.tso_fini = brw_client_fini;
+ brw_test_client.tso_prep_rpc = brw_client_prep_rpc;
+ brw_test_client.tso_done_rpc = brw_client_done_rpc;
};
-srpc_service_t brw_test_service =
+srpc_service_t brw_test_service;
+void brw_init_test_service(void)
{
- .sv_name = "brw test",
- .sv_handler = brw_server_handle,
- .sv_bulk_ready = brw_bulk_ready,
- .sv_id = SRPC_SERVICE_BRW,
-};
+#ifndef __KERNEL__
+ char *s;
+
+ s = getenv("BRW_INJECT_ERRORS");
+ brw_inject_errors = s != NULL ? atoi(s) : brw_inject_errors;
+#endif
+
+ brw_test_service.sv_id = SRPC_SERVICE_BRW;
+ brw_test_service.sv_name = "brw_test";
+ brw_test_service.sv_handler = brw_server_handle;
+ brw_test_service.sv_bulk_ready = brw_bulk_ready;
+ brw_test_service.sv_wi_total = brw_srv_workitems;
+}