Re: [PATCH 1/1] Drivers: infiniband: hw: vmbus-nd: NetworkDirect driver for Linux

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Hi,

[auto build test WARNING on rdma/master]
[also build test WARNING on v4.7 next-20160726]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/kys-exchange-microsoft-com/Drivers-infiniband-hw-vmbus-nd-NetworkDirect-driver-for-Linux/20160727-090222
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma.git master
config: i386-allyesconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_send_pg_buffer':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:247:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_cookie.pkt = (void *)cookie;
                       ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:254:6: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
         (u64)(&hvnd_cookie));
         ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_send_packet':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:279:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_cookie.pkt = (void *)cookie;
                       ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:283:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
              (u64)(&hvnd_cookie), VM_PKT_DATA_INBAND,
              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_open_adaptor':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:763:38: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     pr_o_adap->ioctl.input.adapter_id = (u64)nd_dev;
                                         ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:813:132: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("adaptor handle: %p\n", (void *)uctx->adaptor_hdl);
                                                                                                                                       ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:818:126: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("uar base: %p\n", (void *)uctx->uar_base);
                                                                                                                                 ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:822:125: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("bf base: %p\n", (void *)uctx->bf_base);
                                                                                                                                ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_create_cq':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:963:24: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      map_memory.address = (u64)cq->cq_buf;
                           ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:972:24: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      map_memory.address = (u64)cq->db_addr;
                           ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:982:24: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      map_memory.address = (u64)&cq->arm_sn;
                           ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1023:60: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt->hdr, cq_pkt_size, (u64)pkt);
                                                               ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1041:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("CQ create after success cq handle is %p\n",
       ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_destroy_cq':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1071:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
              (u64)&free_cq_pkt);
              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_notify_cq':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1114:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
              (u64)&notify_cq_pkt);
              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_cr_mr':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1142:130: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("PD handle is %p\n", (void *)pd_handle);
                                                                                                                                     ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1145:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1153:130: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("mr handle is %p\n", (void *)pkt.ioctl.out);
                                                                                                                                     ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_deregister_mr':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1192:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_mr_register':
>> drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1283:67: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'phys_addr_t {aka unsigned int}' [-Wformat=]
      hvnd_debug("physical address = %llx\n",
                                                                      ^     
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_cr_listener':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1392:135: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("Adaptor handle is %p\n", (void *)uctx->adaptor_hdl);
                                                                                                                                          ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1396:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1404:136: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("listener handle is %p\n", (void *)pkt.ioctl.out);
                                                                                                                                           ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_free_listener':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1436:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_bind_listener':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1475:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_listen_listener':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1509:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_get_addr_listener':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1543:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_get_connection_listener':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1570:51: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     ret = get_irp_handle(nd_dev, &irp_fhandle.local, (void *)irp_handle);
                                                      ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1595:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_cr_connector':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1632:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1640:137: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("connector handle is %p\n", (void *)pkt.ioctl.out);
                                                                                                                                            ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_free_connector':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1670:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_bind_connector':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1709:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_connect':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1773:61: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt->hdr, sizeof(*pkt), (u64)pkt);
                                                                ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_complete_connect':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1807:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_accept':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1866:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_reject':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1914:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_get_rd_limits':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1950:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_get_priv_data':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:1987:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_get_peer_addr':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:2024:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_get_local_addr':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:2061:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_notify_disconnect':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:2099:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_connector_disconnect':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:2137:59: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
                                                              ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c: In function 'hvnd_create_qp':
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:2226:135: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("recv cq handle is %p\n", (void *)qp->receive_cq_handle);
                                                                                                                                          ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:2227:135: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("send cq handle is %p\n", (void *)qp->initiator_cq_handle);
                                                                                                                                          ^
   drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c:2228:130: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     hvnd_debug("pd handle is %p\n", (void *)qp->pd_handle);
                                                                                                                                     ^

vim +1283 drivers/infiniband/hw/vmbus-nd/vmbus_rdma.c

  1147		if (ret)
  1148			goto err;
  1149	
  1150		/*
  1151		 * Copy the  handle.
  1152		 */
> 1153		hvnd_debug("mr handle is %p\n", (void *)pkt.ioctl.out);
  1154		*mr_handle = pkt.ioctl.out;
  1155	
  1156		return 0;
  1157	
  1158	err:
  1159		hvnd_error("create mr failed: %d\n", ret);
  1160		return ret;
  1161	
  1162	}
  1163	
  1164	int hvnd_free_mr(struct hvnd_dev *nd_dev, struct hvnd_ucontext *uctx,
  1165			 u64 handle)
  1166	{
  1167		return hvnd_free_handle(nd_dev, uctx, handle, IOCTL_ND_MR_FREE);
  1168	}
  1169	
  1170	int hvnd_deregister_mr(struct hvnd_dev *nd_dev, struct hvnd_ucontext *uctx,
  1171				u64 handle)
  1172	{
  1173		struct pkt_nd_deregister_mr pkt;
  1174		int ret;
  1175	
  1176		/* KYS try to avoid having to zero everything */
  1177		memset(&pkt, 0, sizeof(pkt));
  1178		hvnd_init_hdr(&pkt.hdr,
  1179			      sizeof(pkt) -
  1180			      sizeof(struct ndv_packet_hdr_control_1),
  1181			      uctx->create_pkt.handle.local,
  1182			      uctx->create_pkt.handle.remote,
  1183			      IOCTL_ND_MR_DEREGISTER, 0, 0, 0);
  1184	
  1185		/*
  1186		 * Now fill in the ioctl section.
  1187		 */
  1188		pkt.ioctl.in.version = ND_VERSION_1;
  1189		pkt.ioctl.in.handle = handle;
  1190		pkt.ioctl.in.reserved = 0;
  1191	
  1192		ret = hvnd_send_ioctl_pkt(nd_dev, &pkt.hdr, sizeof(pkt), (u64)&pkt);
  1193	
  1194		if (ret)
  1195			goto err;
  1196	
  1197		return 0;
  1198	
  1199	err:
  1200		hvnd_error("de-register mr failed: %d\n", ret);
  1201		return ret;
  1202	
  1203	}
  1204	
  1205	static inline u32 hvnd_convert_access(int acc)
  1206	{
  1207		return (acc & IB_ACCESS_REMOTE_WRITE ?
  1208			ND_MR_FLAG_ALLOW_REMOTE_WRITE : 0) |
  1209			(acc & IB_ACCESS_REMOTE_READ ?
  1210			ND_MR_FLAG_ALLOW_REMOTE_READ : 0) |
  1211			(acc & IB_ACCESS_LOCAL_WRITE ?
  1212			ND_MR_FLAG_ALLOW_LOCAL_WRITE : 0);
  1213	}
  1214	
  1215	
  1216	int hvnd_mr_register(struct hvnd_dev *nd_dev, struct hvnd_ucontext *uctx,
  1217			     struct hvnd_mr *mr)
  1218	{
  1219		struct pkt_nd_register_mr pkt;
  1220		int ret;
  1221		struct hv_mpb_array *pb;
  1222		struct vmbus_packet_mpb_array *tpb;
  1223		int sz_leaf;
  1224		int num_pgs;
  1225		int i = 0;
  1226		int ext_data_sz;
  1227		u32 acc_flags;
  1228		u32 desc_size;
  1229		int pkt_type;
  1230	
  1231		/*
  1232		 * The user address is passed in via a two level structure.
  1233		 * An Array of struct hv_page_buffer will be used to describe
  1234		 * the user memory. The pages containing this array will be descibed
  1235		 * in another array of struct hv_page_buffer. We pass this seconed level
  1236		 * array to the host.
  1237		 */
  1238	
  1239		hvnd_debug("ib_umem_page_count(mr->umem)=%d\n",
  1240			   ib_umem_page_count(mr->umem));
  1241	
  1242		sz_leaf = ib_umem_page_count(mr->umem) * sizeof(u64) +
  1243			  sizeof(struct hv_mpb_array);
  1244	
  1245		pb = (struct hv_mpb_array *)
  1246			__get_free_pages(GFP_KERNEL|__GFP_ZERO, get_order(sz_leaf));
  1247	
  1248		if (pb == NULL)
  1249			return -ENOMEM;
  1250		/*
  1251		 * Allocate an array of hv_page_buffer to describe the first level.
  1252		 */
  1253		num_pgs = DIV_ROUND_UP(sz_leaf, PAGE_SIZE);
  1254		hvnd_debug("num pages in the top array is %d\n", num_pgs);
  1255	
  1256		desc_size = (num_pgs * sizeof(u64) +
  1257				sizeof(struct vmbus_packet_mpb_array));
  1258		tpb = (struct vmbus_packet_mpb_array *)
  1259			__get_free_pages(GFP_KERNEL|__GFP_ZERO, get_order(desc_size));
  1260	
  1261		if (tpb == NULL) {
  1262			free_pages((unsigned long)pb, get_order(sz_leaf));
  1263			return -ENOMEM;
  1264		}
  1265	
  1266		hvnd_debug("sz leaf: %d; pgs in top %d\n", sz_leaf, num_pgs);
  1267	
  1268		/*
  1269		 * Now fill the leaf level array.
  1270		 */
  1271		pb->len = mr->length;
  1272		pb->offset = offset_in_page(mr->start);
  1273		user_va_init_pfn(pb->pfn_array, mr->umem);
  1274	
  1275		/*
  1276		 * Now fill out the top level array.
  1277		 */
  1278		for (i = 0; i < num_pgs; i++) {
  1279			tpb->range.pfn_array[i] = virt_to_phys((u8 *)pb +
  1280						  (PAGE_SIZE * i)) >> PAGE_SHIFT;
  1281			hvnd_debug("virtual address = %p\n",
  1282				   (u8 *)pb + (PAGE_SIZE * i));
> 1283			hvnd_debug("physical address = %llx\n",
  1284				   virt_to_phys((u8 *)pb + (PAGE_SIZE * i)));
  1285			hvnd_debug("tpb->range.pfn_array[%d]=%llx\n", i,
  1286				   tpb->range.pfn_array[i]);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
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