if_nve.c revision 152669
1143442Sobrien/* 2144073Sobrien * Copyright (c) 2005 by David E. O'Brien <obrien@FreeBSD.org>. 3143442Sobrien * Copyright (c) 2003,2004 by Quinton Dolan <q@onthenet.com.au>. 4143442Sobrien * All rights reserved. 5143442Sobrien * 6143442Sobrien * Redistribution and use in source and binary forms, with or without 7143442Sobrien * modification, are permitted provided that the following conditions 8143442Sobrien * are met: 9143442Sobrien * 1. Redistributions of source code must retain the above copyright 10143442Sobrien * notice, this list of conditions and the following disclaimer. 11143442Sobrien * 2. Redistributions in binary form must reproduce the above copyright 12143442Sobrien * notice, this list of conditions and the following disclaimer in the 13143442Sobrien * documentation and/or other materials provided with the distribution. 14143442Sobrien * 15143442Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY 16143442Sobrien * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17143442Sobrien * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18143442Sobrien * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19143442Sobrien * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20143442Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21143442Sobrien * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22143442Sobrien * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23143442Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24143442Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25143442Sobrien * SUCH DAMAGE. 26143442Sobrien * 27143442Sobrien * $Id: if_nv.c,v 1.19 2004/08/12 14:00:05 q Exp $ 28143442Sobrien */ 29143442Sobrien 30143442Sobrien/* 31143442Sobrien * NVIDIA nForce MCP Networking Adapter driver 32143442Sobrien * 33143442Sobrien * This is a port of the NVIDIA MCP Linux ethernet driver distributed by NVIDIA 34143442Sobrien * through their web site. 35143442Sobrien * 36143442Sobrien * All mainstream nForce and nForce2 motherboards are supported. This module 37143442Sobrien * is as stable, sometimes more stable, than the linux version. (Recent 38143442Sobrien * Linux stability issues seem to be related to some issues with newer 39143442Sobrien * distributions using GCC 3.x, however this don't appear to effect FreeBSD 40143442Sobrien * 5.x). 41143442Sobrien * 42143442Sobrien * In accordance with the NVIDIA distribution license it is necessary to 43143442Sobrien * link this module against the nvlibnet.o binary object included in the 44143442Sobrien * Linux driver source distribution. The binary component is not modified in 45143442Sobrien * any way and is simply linked against a FreeBSD equivalent of the nvnet.c 46143442Sobrien * linux kernel module "wrapper". 47143442Sobrien * 48143442Sobrien * The Linux driver uses a common code API that is shared between Win32 and 49143442Sobrien * i386 Linux. This abstracts the low level driver functions and uses 50143442Sobrien * callbacks and hooks to access the underlying hardware device. By using 51143442Sobrien * this same API in a FreeBSD kernel module it is possible to support the 52143442Sobrien * hardware without breaching the Linux source distributions licensing 53143442Sobrien * requirements, or obtaining the hardware programming specifications. 54143442Sobrien * 55143442Sobrien * Although not conventional, it works, and given the relatively small 56143442Sobrien * amount of hardware centric code, it's hopefully no more buggy than its 57143442Sobrien * linux counterpart. 58143442Sobrien * 59145998Sbrueffer * NVIDIA now support the nForce3 AMD64 platform, however I have been 60143442Sobrien * unable to access such a system to verify support. However, the code is 61143442Sobrien * reported to work with little modification when compiled with the AMD64 62143442Sobrien * version of the NVIDIA Linux library. All that should be necessary to make 63143442Sobrien * the driver work is to link it directly into the kernel, instead of as a 64143442Sobrien * module, and apply the docs/amd64.diff patch in this source distribution to 65143442Sobrien * the NVIDIA Linux driver source. 66143442Sobrien * 67143442Sobrien * This driver should work on all versions of FreeBSD since 4.9/5.1 as well 68143442Sobrien * as recent versions of DragonFly. 69143442Sobrien * 70143442Sobrien * Written by Quinton Dolan <q@onthenet.com.au> 71143442Sobrien * Portions based on existing FreeBSD network drivers. 72143442Sobrien * NVIDIA API usage derived from distributed NVIDIA NVNET driver source files. 73143442Sobrien * 74143442Sobrien */ 75143442Sobrien 76143442Sobrien#include <sys/cdefs.h> 77143442Sobrien__FBSDID("$FreeBSD: head/sys/dev/nve/if_nve.c 152669 2005-11-21 22:14:49Z jhb $"); 78143442Sobrien 79143442Sobrien#include <sys/param.h> 80143442Sobrien#include <sys/systm.h> 81143442Sobrien#include <sys/sockio.h> 82143442Sobrien#include <sys/mbuf.h> 83143442Sobrien#include <sys/malloc.h> 84143442Sobrien#include <sys/kernel.h> 85143442Sobrien#include <sys/socket.h> 86143442Sobrien#include <sys/sysctl.h> 87143442Sobrien#include <sys/queue.h> 88143442Sobrien#include <sys/module.h> 89143442Sobrien 90143442Sobrien#include <net/if.h> 91143442Sobrien#include <net/if_arp.h> 92143442Sobrien#include <net/ethernet.h> 93143442Sobrien#include <net/if_dl.h> 94143442Sobrien#include <net/if_media.h> 95147256Sbrooks#include <net/if_types.h> 96143442Sobrien#include <net/bpf.h> 97143442Sobrien#include <net/if_vlan_var.h> 98143442Sobrien 99143442Sobrien#include <machine/bus.h> 100143442Sobrien#include <machine/resource.h> 101143442Sobrien 102143442Sobrien#include <vm/vm.h> /* for vtophys */ 103143442Sobrien#include <vm/pmap.h> /* for vtophys */ 104143442Sobrien#include <machine/clock.h> /* for DELAY */ 105143442Sobrien#include <sys/bus.h> 106143442Sobrien#include <sys/rman.h> 107143442Sobrien 108143442Sobrien#include <dev/pci/pcireg.h> 109143442Sobrien#include <dev/pci/pcivar.h> 110143442Sobrien#include <dev/mii/mii.h> 111143442Sobrien#include <dev/mii/miivar.h> 112143442Sobrien#include "miibus_if.h" 113143442Sobrien 114143442Sobrien/* Include NVIDIA Linux driver header files */ 115143442Sobrien#define linux 116143442Sobrien#include <contrib/dev/nve/basetype.h> 117143442Sobrien#include <contrib/dev/nve/phy.h> 118143442Sobrien#include "os+%DIKED-nve.h" 119143442Sobrien#include <contrib/dev/nve/drvinfo.h> 120143442Sobrien#include <contrib/dev/nve/adapter.h> 121143442Sobrien#undef linux 122143442Sobrien 123143442Sobrien#include <dev/nve/if_nvereg.h> 124143442Sobrien 125143442SobrienMODULE_DEPEND(nve, pci, 1, 1, 1); 126143442SobrienMODULE_DEPEND(nve, ether, 1, 1, 1); 127143442SobrienMODULE_DEPEND(nve, miibus, 1, 1, 1); 128143442Sobrien 129143442Sobrienstatic int nve_probe(device_t); 130143442Sobrienstatic int nve_attach(device_t); 131143442Sobrienstatic int nve_detach(device_t); 132143442Sobrienstatic void nve_init(void *); 133152669Sjhbstatic void nve_init_locked(struct nve_softc *); 134143442Sobrienstatic void nve_stop(struct nve_softc *); 135143442Sobrienstatic void nve_shutdown(device_t); 136143442Sobrienstatic int nve_init_rings(struct nve_softc *); 137143442Sobrienstatic void nve_free_rings(struct nve_softc *); 138143442Sobrien 139143442Sobrienstatic void nve_ifstart(struct ifnet *); 140152669Sjhbstatic void nve_ifstart_locked(struct ifnet *); 141143442Sobrienstatic int nve_ioctl(struct ifnet *, u_long, caddr_t); 142143442Sobrienstatic void nve_intr(void *); 143143442Sobrienstatic void nve_tick(void *); 144143442Sobrienstatic void nve_setmulti(struct nve_softc *); 145143442Sobrienstatic void nve_watchdog(struct ifnet *); 146143442Sobrienstatic void nve_update_stats(struct nve_softc *); 147143442Sobrien 148143442Sobrienstatic int nve_ifmedia_upd(struct ifnet *); 149152669Sjhbstatic void nve_ifmedia_upd_locked(struct ifnet *); 150143442Sobrienstatic void nve_ifmedia_sts(struct ifnet *, struct ifmediareq *); 151143442Sobrienstatic int nve_miibus_readreg(device_t, int, int); 152143442Sobrienstatic void nve_miibus_writereg(device_t, int, int, int); 153143442Sobrien 154143442Sobrienstatic void nve_dmamap_cb(void *, bus_dma_segment_t *, int, int); 155143442Sobrienstatic void nve_dmamap_tx_cb(void *, bus_dma_segment_t *, int, bus_size_t, int); 156143442Sobrien 157143442Sobrienstatic NV_SINT32 nve_osalloc(PNV_VOID, PMEMORY_BLOCK); 158143442Sobrienstatic NV_SINT32 nve_osfree(PNV_VOID, PMEMORY_BLOCK); 159143442Sobrienstatic NV_SINT32 nve_osallocex(PNV_VOID, PMEMORY_BLOCKEX); 160143442Sobrienstatic NV_SINT32 nve_osfreeex(PNV_VOID, PMEMORY_BLOCKEX); 161143442Sobrienstatic NV_SINT32 nve_osclear(PNV_VOID, PNV_VOID, NV_SINT32); 162143442Sobrienstatic NV_SINT32 nve_osdelay(PNV_VOID, NV_UINT32); 163143442Sobrienstatic NV_SINT32 nve_osallocrxbuf(PNV_VOID, PMEMORY_BLOCK, PNV_VOID *); 164143442Sobrienstatic NV_SINT32 nve_osfreerxbuf(PNV_VOID, PMEMORY_BLOCK, PNV_VOID); 165143442Sobrienstatic NV_SINT32 nve_ospackettx(PNV_VOID, PNV_VOID, NV_UINT32); 166143442Sobrienstatic NV_SINT32 nve_ospacketrx(PNV_VOID, PNV_VOID, NV_UINT32, NV_UINT8 *, NV_UINT8); 167143442Sobrienstatic NV_SINT32 nve_oslinkchg(PNV_VOID, NV_SINT32); 168143442Sobrienstatic NV_SINT32 nve_osalloctimer(PNV_VOID, PNV_VOID *); 169143442Sobrienstatic NV_SINT32 nve_osfreetimer(PNV_VOID, PNV_VOID); 170143442Sobrienstatic NV_SINT32 nve_osinittimer(PNV_VOID, PNV_VOID, PTIMER_FUNC, PNV_VOID); 171143442Sobrienstatic NV_SINT32 nve_ossettimer(PNV_VOID, PNV_VOID, NV_UINT32); 172143442Sobrienstatic NV_SINT32 nve_oscanceltimer(PNV_VOID, PNV_VOID); 173143442Sobrien 174143442Sobrienstatic NV_SINT32 nve_ospreprocpkt(PNV_VOID, PNV_VOID, PNV_VOID *, NV_UINT8 *, NV_UINT8); 175143442Sobrienstatic PNV_VOID nve_ospreprocpktnopq(PNV_VOID, PNV_VOID); 176143442Sobrienstatic NV_SINT32 nve_osindicatepkt(PNV_VOID, PNV_VOID *, NV_UINT32); 177143442Sobrienstatic NV_SINT32 nve_oslockalloc(PNV_VOID, NV_SINT32, PNV_VOID *); 178143442Sobrienstatic NV_SINT32 nve_oslockacquire(PNV_VOID, NV_SINT32, PNV_VOID); 179143442Sobrienstatic NV_SINT32 nve_oslockrelease(PNV_VOID, NV_SINT32, PNV_VOID); 180143442Sobrienstatic PNV_VOID nve_osreturnbufvirt(PNV_VOID, PNV_VOID); 181143442Sobrien 182143442Sobrienstatic device_method_t nve_methods[] = { 183143442Sobrien /* Device interface */ 184143442Sobrien DEVMETHOD(device_probe, nve_probe), 185143442Sobrien DEVMETHOD(device_attach, nve_attach), 186143442Sobrien DEVMETHOD(device_detach, nve_detach), 187143442Sobrien DEVMETHOD(device_shutdown, nve_shutdown), 188143442Sobrien 189143442Sobrien /* Bus interface */ 190143442Sobrien DEVMETHOD(bus_print_child, bus_generic_print_child), 191143442Sobrien DEVMETHOD(bus_driver_added, bus_generic_driver_added), 192143442Sobrien 193143442Sobrien /* MII interface */ 194143442Sobrien DEVMETHOD(miibus_readreg, nve_miibus_readreg), 195143442Sobrien DEVMETHOD(miibus_writereg, nve_miibus_writereg), 196143442Sobrien 197143442Sobrien {0, 0} 198143442Sobrien}; 199143442Sobrien 200143442Sobrienstatic driver_t nve_driver = { 201145556Sobrien "nve", 202143442Sobrien nve_methods, 203143442Sobrien sizeof(struct nve_softc) 204143442Sobrien}; 205143442Sobrien 206143442Sobrienstatic devclass_t nve_devclass; 207143442Sobrien 208143442Sobrienstatic int nve_pollinterval = 0; 209143442SobrienSYSCTL_INT(_hw, OID_AUTO, nve_pollinterval, CTLFLAG_RW, 210143442Sobrien &nve_pollinterval, 0, "delay between interface polls"); 211143442Sobrien 212143442SobrienDRIVER_MODULE(nve, pci, nve_driver, nve_devclass, 0, 0); 213143442SobrienDRIVER_MODULE(miibus, nve, miibus_driver, miibus_devclass, 0, 0); 214143442Sobrien 215143442Sobrienstatic struct nve_type nve_devs[] = { 216143442Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET1_DEVICEID, 217143442Sobrien "NVIDIA nForce MCP Networking Adapter"}, 218143442Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET2_DEVICEID, 219143442Sobrien "NVIDIA nForce MCP2 Networking Adapter"}, 220143442Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET3_DEVICEID, 221143442Sobrien "NVIDIA nForce MCP3 Networking Adapter"}, 222144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET4_DEVICEID, 223144073Sobrien "NVIDIA nForce MCP4 Networking Adapter"}, 224144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET5_DEVICEID, 225144073Sobrien "NVIDIA nForce MCP5 Networking Adapter"}, 226144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET6_DEVICEID, 227144073Sobrien "NVIDIA nForce MCP6 Networking Adapter"}, 228144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET7_DEVICEID, 229144073Sobrien "NVIDIA nForce MCP7 Networking Adapter"}, 230144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET8_DEVICEID, 231144073Sobrien "NVIDIA nForce MCP8 Networking Adapter"}, 232144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET9_DEVICEID, 233144073Sobrien "NVIDIA nForce MCP9 Networking Adapter"}, 234144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET10_DEVICEID, 235144073Sobrien "NVIDIA nForce MCP10 Networking Adapter"}, 236144073Sobrien {NVIDIA_VENDORID, NFORCE_MCPNET11_DEVICEID, 237144073Sobrien "NVIDIA nForce MCP11 Networking Adapter"}, 238143442Sobrien {0, 0, NULL} 239143442Sobrien}; 240143442Sobrien 241143442Sobrien/* DMA MEM map callback function to get data segment physical address */ 242143442Sobrienstatic void 243143442Sobriennve_dmamap_cb(void *arg, bus_dma_segment_t * segs, int nsegs, int error) 244143442Sobrien{ 245143442Sobrien if (error) 246143442Sobrien return; 247143442Sobrien 248143442Sobrien KASSERT(nsegs == 1, 249143442Sobrien ("Too many DMA segments returned when mapping DMA memory")); 250143442Sobrien *(bus_addr_t *)arg = segs->ds_addr; 251143442Sobrien} 252143442Sobrien 253143442Sobrien/* DMA RX map callback function to get data segment physical address */ 254143442Sobrienstatic void 255143442Sobriennve_dmamap_rx_cb(void *arg, bus_dma_segment_t * segs, int nsegs, 256143442Sobrien bus_size_t mapsize, int error) 257143442Sobrien{ 258143442Sobrien if (error) 259143442Sobrien return; 260143442Sobrien *(bus_addr_t *)arg = segs->ds_addr; 261143442Sobrien} 262143442Sobrien 263143442Sobrien/* 264143442Sobrien * DMA TX buffer callback function to allocate fragment data segment 265143442Sobrien * addresses 266143442Sobrien */ 267143442Sobrienstatic void 268143442Sobriennve_dmamap_tx_cb(void *arg, bus_dma_segment_t * segs, int nsegs, bus_size_t mapsize, int error) 269143442Sobrien{ 270143442Sobrien struct nve_tx_desc *info; 271143442Sobrien 272143442Sobrien info = arg; 273143442Sobrien if (error) 274143442Sobrien return; 275143442Sobrien KASSERT(nsegs < NV_MAX_FRAGS, 276143442Sobrien ("Too many DMA segments returned when mapping mbuf")); 277143442Sobrien info->numfrags = nsegs; 278143442Sobrien bcopy(segs, info->frags, nsegs * sizeof(bus_dma_segment_t)); 279143442Sobrien} 280143442Sobrien 281143442Sobrien/* Probe for supported hardware ID's */ 282143442Sobrienstatic int 283143442Sobriennve_probe(device_t dev) 284143442Sobrien{ 285143442Sobrien struct nve_type *t; 286143442Sobrien 287143442Sobrien t = nve_devs; 288143442Sobrien /* Check for matching PCI DEVICE ID's */ 289143442Sobrien while (t->name != NULL) { 290143442Sobrien if ((pci_get_vendor(dev) == t->vid_id) && 291143442Sobrien (pci_get_device(dev) == t->dev_id)) { 292143442Sobrien device_set_desc(dev, t->name); 293143442Sobrien return (0); 294143442Sobrien } 295143442Sobrien t++; 296143442Sobrien } 297143442Sobrien 298143442Sobrien return (ENXIO); 299143442Sobrien} 300143442Sobrien 301143442Sobrien/* Attach driver and initialise hardware for use */ 302143442Sobrienstatic int 303143442Sobriennve_attach(device_t dev) 304143442Sobrien{ 305143442Sobrien u_char eaddr[ETHER_ADDR_LEN]; 306143442Sobrien struct nve_softc *sc; 307143442Sobrien struct ifnet *ifp; 308143442Sobrien OS_API *osapi; 309143442Sobrien ADAPTER_OPEN_PARAMS OpenParams; 310152669Sjhb int error = 0, i, rid; 311143442Sobrien 312143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_attach - entry\n"); 313143442Sobrien 314143442Sobrien sc = device_get_softc(dev); 315143442Sobrien 316143442Sobrien /* Allocate mutex */ 317143442Sobrien mtx_init(&sc->mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, 318143442Sobrien MTX_DEF | MTX_RECURSE); 319143442Sobrien mtx_init(&sc->osmtx, device_get_nameunit(dev), NULL, MTX_SPIN); 320152669Sjhb callout_init_mtx(&sc->stat_callout, &sc->mtx, 0); 321143442Sobrien 322143442Sobrien sc->dev = dev; 323143442Sobrien 324143442Sobrien /* Preinitialize data structures */ 325143442Sobrien bzero(&OpenParams, sizeof(ADAPTER_OPEN_PARAMS)); 326143442Sobrien 327143442Sobrien /* Enable bus mastering */ 328143442Sobrien pci_enable_busmaster(dev); 329143442Sobrien 330143442Sobrien /* Allocate memory mapped address space */ 331143442Sobrien rid = NV_RID; 332143442Sobrien sc->res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, ~0, 1, 333143442Sobrien RF_ACTIVE); 334143442Sobrien 335143442Sobrien if (sc->res == NULL) { 336143442Sobrien device_printf(dev, "couldn't map memory\n"); 337143442Sobrien error = ENXIO; 338143442Sobrien goto fail; 339143442Sobrien } 340143442Sobrien sc->sc_st = rman_get_bustag(sc->res); 341143442Sobrien sc->sc_sh = rman_get_bushandle(sc->res); 342143442Sobrien 343143442Sobrien /* Allocate interrupt */ 344143442Sobrien rid = 0; 345143442Sobrien sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 346143442Sobrien RF_SHAREABLE | RF_ACTIVE); 347143442Sobrien 348143442Sobrien if (sc->irq == NULL) { 349143442Sobrien device_printf(dev, "couldn't map interrupt\n"); 350143442Sobrien error = ENXIO; 351143442Sobrien goto fail; 352143442Sobrien } 353143442Sobrien /* Allocate DMA tags */ 354143442Sobrien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 355143442Sobrien BUS_SPACE_MAXADDR, NULL, NULL, MCLBYTES * NV_MAX_FRAGS, 356143442Sobrien NV_MAX_FRAGS, MCLBYTES, 0, 357143442Sobrien busdma_lock_mutex, &Giant, 358143442Sobrien &sc->mtag); 359143442Sobrien if (error) { 360143442Sobrien device_printf(dev, "couldn't allocate dma tag\n"); 361143442Sobrien goto fail; 362143442Sobrien } 363143442Sobrien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 364143442Sobrien BUS_SPACE_MAXADDR, NULL, NULL, 365143442Sobrien sizeof(struct nve_rx_desc) * RX_RING_SIZE, 1, 366143442Sobrien sizeof(struct nve_rx_desc) * RX_RING_SIZE, 0, 367143442Sobrien busdma_lock_mutex, &Giant, 368143442Sobrien &sc->rtag); 369143442Sobrien if (error) { 370143442Sobrien device_printf(dev, "couldn't allocate dma tag\n"); 371143442Sobrien goto fail; 372143442Sobrien } 373143442Sobrien error = bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT, 374143442Sobrien BUS_SPACE_MAXADDR, NULL, NULL, 375143442Sobrien sizeof(struct nve_tx_desc) * TX_RING_SIZE, 1, 376143442Sobrien sizeof(struct nve_tx_desc) * TX_RING_SIZE, 0, 377143442Sobrien busdma_lock_mutex, &Giant, 378143442Sobrien &sc->ttag); 379143442Sobrien if (error) { 380143442Sobrien device_printf(dev, "couldn't allocate dma tag\n"); 381143442Sobrien goto fail; 382143442Sobrien } 383143442Sobrien /* Allocate DMA safe memory and get the DMA addresses. */ 384143442Sobrien error = bus_dmamem_alloc(sc->ttag, (void **)&sc->tx_desc, 385143442Sobrien BUS_DMA_WAITOK, &sc->tmap); 386143442Sobrien if (error) { 387143442Sobrien device_printf(dev, "couldn't allocate dma memory\n"); 388143442Sobrien goto fail; 389143442Sobrien } 390143442Sobrien bzero(sc->tx_desc, sizeof(struct nve_tx_desc) * TX_RING_SIZE); 391143442Sobrien error = bus_dmamap_load(sc->ttag, sc->tmap, sc->tx_desc, 392143442Sobrien sizeof(struct nve_tx_desc) * TX_RING_SIZE, nve_dmamap_cb, 393143442Sobrien &sc->tx_addr, 0); 394143442Sobrien if (error) { 395143442Sobrien device_printf(dev, "couldn't map dma memory\n"); 396143442Sobrien goto fail; 397143442Sobrien } 398143442Sobrien error = bus_dmamem_alloc(sc->rtag, (void **)&sc->rx_desc, 399143442Sobrien BUS_DMA_WAITOK, &sc->rmap); 400143442Sobrien if (error) { 401143442Sobrien device_printf(dev, "couldn't allocate dma memory\n"); 402143442Sobrien goto fail; 403143442Sobrien } 404143442Sobrien bzero(sc->rx_desc, sizeof(struct nve_rx_desc) * RX_RING_SIZE); 405143442Sobrien error = bus_dmamap_load(sc->rtag, sc->rmap, sc->rx_desc, 406143442Sobrien sizeof(struct nve_rx_desc) * RX_RING_SIZE, nve_dmamap_cb, 407143442Sobrien &sc->rx_addr, 0); 408143442Sobrien if (error) { 409143442Sobrien device_printf(dev, "couldn't map dma memory\n"); 410143442Sobrien goto fail; 411143442Sobrien } 412143442Sobrien /* Initialize rings. */ 413143442Sobrien if (nve_init_rings(sc)) { 414143442Sobrien device_printf(dev, "failed to init rings\n"); 415143442Sobrien error = ENXIO; 416143442Sobrien goto fail; 417143442Sobrien } 418143442Sobrien /* Setup NVIDIA API callback routines */ 419143442Sobrien osapi = &sc->osapi; 420143442Sobrien osapi->pOSCX = sc; 421143442Sobrien osapi->pfnAllocMemory = nve_osalloc; 422143442Sobrien osapi->pfnFreeMemory = nve_osfree; 423143442Sobrien osapi->pfnAllocMemoryEx = nve_osallocex; 424143442Sobrien osapi->pfnFreeMemoryEx = nve_osfreeex; 425143442Sobrien osapi->pfnClearMemory = nve_osclear; 426143442Sobrien osapi->pfnStallExecution = nve_osdelay; 427143442Sobrien osapi->pfnAllocReceiveBuffer = nve_osallocrxbuf; 428143442Sobrien osapi->pfnFreeReceiveBuffer = nve_osfreerxbuf; 429143442Sobrien osapi->pfnPacketWasSent = nve_ospackettx; 430143442Sobrien osapi->pfnPacketWasReceived = nve_ospacketrx; 431143442Sobrien osapi->pfnLinkStateHasChanged = nve_oslinkchg; 432143442Sobrien osapi->pfnAllocTimer = nve_osalloctimer; 433143442Sobrien osapi->pfnFreeTimer = nve_osfreetimer; 434143442Sobrien osapi->pfnInitializeTimer = nve_osinittimer; 435143442Sobrien osapi->pfnSetTimer = nve_ossettimer; 436143442Sobrien osapi->pfnCancelTimer = nve_oscanceltimer; 437143442Sobrien osapi->pfnPreprocessPacket = nve_ospreprocpkt; 438143442Sobrien osapi->pfnPreprocessPacketNopq = nve_ospreprocpktnopq; 439143442Sobrien osapi->pfnIndicatePackets = nve_osindicatepkt; 440143442Sobrien osapi->pfnLockAlloc = nve_oslockalloc; 441143442Sobrien osapi->pfnLockAcquire = nve_oslockacquire; 442143442Sobrien osapi->pfnLockRelease = nve_oslockrelease; 443143442Sobrien osapi->pfnReturnBufferVirtual = nve_osreturnbufvirt; 444143442Sobrien 445143442Sobrien sc->linkup = FALSE; 446143442Sobrien sc->max_frame_size = ETHERMTU + ETHER_HDR_LEN + FCS_LEN; 447143442Sobrien 448143442Sobrien /* TODO - We don't support hardware offload yet */ 449143442Sobrien sc->hwmode = 1; 450143442Sobrien sc->media = 0; 451143442Sobrien 452143442Sobrien /* Set NVIDIA API startup parameters */ 453143442Sobrien OpenParams.MaxDpcLoop = 2; 454143442Sobrien OpenParams.MaxRxPkt = RX_RING_SIZE; 455143442Sobrien OpenParams.MaxTxPkt = TX_RING_SIZE; 456143442Sobrien OpenParams.SentPacketStatusSuccess = 1; 457143442Sobrien OpenParams.SentPacketStatusFailure = 0; 458143442Sobrien OpenParams.MaxRxPktToAccumulate = 6; 459143442Sobrien OpenParams.ulPollInterval = nve_pollinterval; 460143442Sobrien OpenParams.SetForcedModeEveryNthRxPacket = 0; 461143442Sobrien OpenParams.SetForcedModeEveryNthTxPacket = 0; 462143442Sobrien OpenParams.RxForcedInterrupt = 0; 463143442Sobrien OpenParams.TxForcedInterrupt = 0; 464143442Sobrien OpenParams.pOSApi = osapi; 465143442Sobrien OpenParams.pvHardwareBaseAddress = rman_get_virtual(sc->res); 466143442Sobrien OpenParams.bASFEnabled = 0; 467143442Sobrien OpenParams.ulDescriptorVersion = sc->hwmode; 468143442Sobrien OpenParams.ulMaxPacketSize = sc->max_frame_size; 469143442Sobrien OpenParams.DeviceId = pci_get_device(dev); 470143442Sobrien 471143442Sobrien /* Open NVIDIA Hardware API */ 472143442Sobrien error = ADAPTER_Open(&OpenParams, (void **)&(sc->hwapi), &sc->phyaddr); 473143442Sobrien if (error) { 474143442Sobrien device_printf(dev, 475143442Sobrien "failed to open NVIDIA Hardware API: 0x%x\n", error); 476143442Sobrien goto fail; 477143442Sobrien } 478143442Sobrien 479143442Sobrien /* TODO - Add support for MODE2 hardware offload */ 480143442Sobrien 481143442Sobrien bzero(&sc->adapterdata, sizeof(sc->adapterdata)); 482143442Sobrien 483143442Sobrien sc->adapterdata.ulMediaIF = sc->media; 484143442Sobrien sc->adapterdata.ulModeRegTxReadCompleteEnable = 1; 485143442Sobrien sc->hwapi->pfnSetCommonData(sc->hwapi->pADCX, &sc->adapterdata); 486143442Sobrien 487143442Sobrien /* MAC is loaded backwards into h/w reg */ 488143442Sobrien sc->hwapi->pfnGetNodeAddress(sc->hwapi->pADCX, sc->original_mac_addr); 489143442Sobrien for (i = 0; i < 6; i++) { 490143442Sobrien eaddr[i] = sc->original_mac_addr[5 - i]; 491143442Sobrien } 492143442Sobrien sc->hwapi->pfnSetNodeAddress(sc->hwapi->pADCX, eaddr); 493143442Sobrien 494143442Sobrien /* Display ethernet address ,... */ 495147256Sbrooks device_printf(dev, "Ethernet address %6D\n", eaddr, ":"); 496143442Sobrien 497147291Sbrooks /* Allocate interface structures */ 498147291Sbrooks ifp = sc->ifp = if_alloc(IFT_ETHER); 499147291Sbrooks if (ifp == NULL) { 500147291Sbrooks device_printf(dev, "can not if_alloc()\n"); 501147291Sbrooks error = ENOSPC; 502147291Sbrooks goto fail; 503147291Sbrooks } 504143442Sobrien 505143442Sobrien /* Probe device for MII interface to PHY */ 506147291Sbrooks DEBUGOUT(NVE_DEBUG_INIT, "nve: do mii_phy_probe\n"); 507143442Sobrien if (mii_phy_probe(dev, &sc->miibus, nve_ifmedia_upd, nve_ifmedia_sts)) { 508143442Sobrien device_printf(dev, "MII without any phy!\n"); 509143442Sobrien error = ENXIO; 510143442Sobrien goto fail; 511143442Sobrien } 512147291Sbrooks 513143442Sobrien /* Setup interface parameters */ 514143442Sobrien ifp->if_softc = sc; 515152669Sjhb if_initname(ifp, device_get_name(dev), device_get_unit(dev)); 516143442Sobrien ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 517143442Sobrien ifp->if_ioctl = nve_ioctl; 518143442Sobrien ifp->if_output = ether_output; 519143442Sobrien ifp->if_start = nve_ifstart; 520143442Sobrien ifp->if_watchdog = nve_watchdog; 521143442Sobrien ifp->if_timer = 0; 522143442Sobrien ifp->if_init = nve_init; 523143442Sobrien ifp->if_mtu = ETHERMTU; 524143442Sobrien ifp->if_baudrate = IF_Mbps(100); 525143442Sobrien ifp->if_snd.ifq_maxlen = TX_RING_SIZE - 1; 526143442Sobrien ifp->if_capabilities |= IFCAP_VLAN_MTU; 527143442Sobrien 528143442Sobrien /* Attach to OS's managers. */ 529147256Sbrooks ether_ifattach(ifp, eaddr); 530143442Sobrien 531143442Sobrien /* Activate our interrupt handler. - attach last to avoid lock */ 532152669Sjhb error = bus_setup_intr(sc->dev, sc->irq, INTR_TYPE_NET | INTR_MPSAFE, 533152669Sjhb nve_intr, sc, &sc->sc_ih); 534143442Sobrien if (error) { 535143442Sobrien device_printf(sc->dev, "couldn't set up interrupt handler\n"); 536143442Sobrien goto fail; 537143442Sobrien } 538143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_attach - exit\n"); 539143442Sobrien 540143442Sobrienfail: 541143442Sobrien if (error) 542143442Sobrien nve_detach(dev); 543143442Sobrien 544143442Sobrien return (error); 545143442Sobrien} 546143442Sobrien 547143442Sobrien/* Detach interface for module unload */ 548143442Sobrienstatic int 549143442Sobriennve_detach(device_t dev) 550143442Sobrien{ 551143442Sobrien struct nve_softc *sc = device_get_softc(dev); 552143442Sobrien struct ifnet *ifp; 553143442Sobrien 554143442Sobrien KASSERT(mtx_initialized(&sc->mtx), ("mutex not initialized")); 555143442Sobrien 556143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_detach - entry\n"); 557143442Sobrien 558147256Sbrooks ifp = sc->ifp; 559143442Sobrien 560143442Sobrien if (device_is_attached(dev)) { 561152669Sjhb NVE_LOCK(sc); 562143442Sobrien nve_stop(sc); 563152669Sjhb NVE_UNLOCK(sc); 564152669Sjhb callout_drain(&sc->stat_callout); 565143442Sobrien ether_ifdetach(ifp); 566143442Sobrien } 567143442Sobrien 568143442Sobrien if (sc->miibus) 569143442Sobrien device_delete_child(dev, sc->miibus); 570143442Sobrien bus_generic_detach(dev); 571143442Sobrien 572143442Sobrien /* Reload unreversed address back into MAC in original state */ 573143442Sobrien if (sc->original_mac_addr) 574143442Sobrien sc->hwapi->pfnSetNodeAddress(sc->hwapi->pADCX, 575143442Sobrien sc->original_mac_addr); 576143442Sobrien 577143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: do pfnClose\n"); 578143442Sobrien /* Detach from NVIDIA hardware API */ 579143442Sobrien if (sc->hwapi->pfnClose) 580143442Sobrien sc->hwapi->pfnClose(sc->hwapi->pADCX, FALSE); 581143442Sobrien /* Release resources */ 582143442Sobrien if (sc->sc_ih) 583143442Sobrien bus_teardown_intr(sc->dev, sc->irq, sc->sc_ih); 584143442Sobrien if (sc->irq) 585143442Sobrien bus_release_resource(sc->dev, SYS_RES_IRQ, 0, sc->irq); 586143442Sobrien if (sc->res) 587143442Sobrien bus_release_resource(sc->dev, SYS_RES_MEMORY, NV_RID, sc->res); 588143442Sobrien 589143442Sobrien nve_free_rings(sc); 590143442Sobrien 591143442Sobrien if (sc->tx_desc) { 592143442Sobrien bus_dmamap_unload(sc->rtag, sc->rmap); 593143442Sobrien bus_dmamem_free(sc->rtag, sc->rx_desc, sc->rmap); 594143442Sobrien bus_dmamap_destroy(sc->rtag, sc->rmap); 595143442Sobrien } 596143442Sobrien if (sc->mtag) 597143442Sobrien bus_dma_tag_destroy(sc->mtag); 598143442Sobrien if (sc->ttag) 599143442Sobrien bus_dma_tag_destroy(sc->ttag); 600143442Sobrien if (sc->rtag) 601143442Sobrien bus_dma_tag_destroy(sc->rtag); 602143442Sobrien 603150306Simp if (ifp) 604150306Simp if_free(ifp); 605143442Sobrien mtx_destroy(&sc->mtx); 606143442Sobrien mtx_destroy(&sc->osmtx); 607143442Sobrien 608143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_detach - exit\n"); 609143442Sobrien 610143442Sobrien return (0); 611143442Sobrien} 612143442Sobrien 613143442Sobrien/* Initialise interface and start it "RUNNING" */ 614143442Sobrienstatic void 615143442Sobriennve_init(void *xsc) 616143442Sobrien{ 617143442Sobrien struct nve_softc *sc = xsc; 618152669Sjhb 619152669Sjhb NVE_LOCK(sc); 620152669Sjhb nve_init_locked(sc); 621152669Sjhb NVE_UNLOCK(sc); 622152669Sjhb} 623152669Sjhb 624152669Sjhbstatic void 625152669Sjhbnve_init_locked(struct nve_softc *sc) 626152669Sjhb{ 627143442Sobrien struct ifnet *ifp; 628143442Sobrien int error; 629143442Sobrien 630152669Sjhb NVE_LOCK_ASSERT(sc); 631143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init - entry (%d)\n", sc->linkup); 632143442Sobrien 633147256Sbrooks ifp = sc->ifp; 634143442Sobrien 635143442Sobrien /* Do nothing if already running */ 636148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) 637152669Sjhb return; 638143442Sobrien 639143442Sobrien nve_stop(sc); 640143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: do pfnInit\n"); 641143442Sobrien 642143442Sobrien /* Setup Hardware interface and allocate memory structures */ 643143442Sobrien error = sc->hwapi->pfnInit(sc->hwapi->pADCX, 644143442Sobrien 0, /* force speed */ 645143442Sobrien 0, /* force full duplex */ 646143442Sobrien 0, /* force mode */ 647143442Sobrien 0, /* force async mode */ 648143442Sobrien &sc->linkup); 649143442Sobrien 650143442Sobrien if (error) { 651143442Sobrien device_printf(sc->dev, 652143442Sobrien "failed to start NVIDIA Hardware interface\n"); 653152669Sjhb return; 654143442Sobrien } 655143442Sobrien /* Set the MAC address */ 656152315Sru sc->hwapi->pfnSetNodeAddress(sc->hwapi->pADCX, IF_LLADDR(sc->ifp)); 657143442Sobrien sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); 658143442Sobrien sc->hwapi->pfnStart(sc->hwapi->pADCX); 659143442Sobrien 660143442Sobrien /* Setup multicast filter */ 661143442Sobrien nve_setmulti(sc); 662152669Sjhb nve_ifmedia_upd_locked(ifp); 663143442Sobrien 664143442Sobrien /* Update interface parameters */ 665148887Srwatson ifp->if_drv_flags |= IFF_DRV_RUNNING; 666148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 667143442Sobrien 668152669Sjhb callout_reset(&sc->stat_callout, hz, nve_tick, sc); 669143442Sobrien 670143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init - exit\n"); 671143442Sobrien 672143442Sobrien return; 673143442Sobrien} 674143442Sobrien 675143442Sobrien/* Stop interface activity ie. not "RUNNING" */ 676143442Sobrienstatic void 677143442Sobriennve_stop(struct nve_softc *sc) 678143442Sobrien{ 679143442Sobrien struct ifnet *ifp; 680143442Sobrien 681152669Sjhb NVE_LOCK_ASSERT(sc); 682143442Sobrien 683143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_stop - entry\n"); 684143442Sobrien 685147256Sbrooks ifp = sc->ifp; 686143442Sobrien ifp->if_timer = 0; 687143442Sobrien 688143442Sobrien /* Cancel tick timer */ 689152669Sjhb callout_stop(&sc->stat_callout); 690143442Sobrien 691143442Sobrien /* Stop hardware activity */ 692143442Sobrien sc->hwapi->pfnDisableInterrupts(sc->hwapi->pADCX); 693143442Sobrien sc->hwapi->pfnStop(sc->hwapi->pADCX, 0); 694143442Sobrien 695143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: do pfnDeinit\n"); 696143442Sobrien /* Shutdown interface and deallocate memory buffers */ 697143442Sobrien if (sc->hwapi->pfnDeinit) 698143442Sobrien sc->hwapi->pfnDeinit(sc->hwapi->pADCX, 0); 699143442Sobrien 700143442Sobrien sc->linkup = 0; 701143442Sobrien sc->cur_rx = 0; 702143442Sobrien sc->pending_rxs = 0; 703151733Sobrien sc->pending_txs = 0; 704143442Sobrien 705148887Srwatson ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 706143442Sobrien 707143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_stop - exit\n"); 708143442Sobrien 709143442Sobrien return; 710143442Sobrien} 711143442Sobrien 712143442Sobrien/* Shutdown interface for unload/reboot */ 713143442Sobrienstatic void 714143442Sobriennve_shutdown(device_t dev) 715143442Sobrien{ 716143442Sobrien struct nve_softc *sc; 717143442Sobrien 718143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_shutdown\n"); 719143442Sobrien 720143442Sobrien sc = device_get_softc(dev); 721143442Sobrien 722143442Sobrien /* Stop hardware activity */ 723152669Sjhb NVE_LOCK(sc); 724143442Sobrien nve_stop(sc); 725152669Sjhb NVE_UNLOCK(sc); 726143442Sobrien} 727143442Sobrien 728143442Sobrien/* Allocate TX ring buffers */ 729143442Sobrienstatic int 730143442Sobriennve_init_rings(struct nve_softc *sc) 731143442Sobrien{ 732143442Sobrien int error, i; 733143442Sobrien 734143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init_rings - entry\n"); 735143442Sobrien 736143442Sobrien sc->cur_rx = sc->cur_tx = sc->pending_rxs = sc->pending_txs = 0; 737143442Sobrien /* Initialise RX ring */ 738143442Sobrien for (i = 0; i < RX_RING_SIZE; i++) { 739143442Sobrien struct nve_rx_desc *desc = sc->rx_desc + i; 740143442Sobrien struct nve_map_buffer *buf = &desc->buf; 741143442Sobrien 742143442Sobrien buf->mbuf = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 743143442Sobrien if (buf->mbuf == NULL) { 744143442Sobrien device_printf(sc->dev, "couldn't allocate mbuf\n"); 745143442Sobrien nve_free_rings(sc); 746152669Sjhb return (ENOBUFS); 747143442Sobrien } 748143442Sobrien buf->mbuf->m_len = buf->mbuf->m_pkthdr.len = MCLBYTES; 749143442Sobrien m_adj(buf->mbuf, ETHER_ALIGN); 750143442Sobrien 751143442Sobrien error = bus_dmamap_create(sc->mtag, 0, &buf->map); 752143442Sobrien if (error) { 753143442Sobrien device_printf(sc->dev, "couldn't create dma map\n"); 754143442Sobrien nve_free_rings(sc); 755152669Sjhb return (error); 756143442Sobrien } 757143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, buf->mbuf, 758143442Sobrien nve_dmamap_rx_cb, &desc->paddr, 0); 759143442Sobrien if (error) { 760143442Sobrien device_printf(sc->dev, "couldn't dma map mbuf\n"); 761143442Sobrien nve_free_rings(sc); 762152669Sjhb return (error); 763143442Sobrien } 764143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_PREREAD); 765143442Sobrien 766143442Sobrien desc->buflength = buf->mbuf->m_len; 767143442Sobrien desc->vaddr = mtod(buf->mbuf, caddr_t); 768143442Sobrien } 769143442Sobrien bus_dmamap_sync(sc->rtag, sc->rmap, 770143442Sobrien BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 771143442Sobrien 772143442Sobrien /* Initialize TX ring */ 773143442Sobrien for (i = 0; i < TX_RING_SIZE; i++) { 774143442Sobrien struct nve_tx_desc *desc = sc->tx_desc + i; 775143442Sobrien struct nve_map_buffer *buf = &desc->buf; 776143442Sobrien 777143442Sobrien buf->mbuf = NULL; 778143442Sobrien 779143442Sobrien error = bus_dmamap_create(sc->mtag, 0, &buf->map); 780143442Sobrien if (error) { 781143442Sobrien device_printf(sc->dev, "couldn't create dma map\n"); 782143442Sobrien nve_free_rings(sc); 783152669Sjhb return (error); 784143442Sobrien } 785143442Sobrien } 786143442Sobrien bus_dmamap_sync(sc->ttag, sc->tmap, 787143442Sobrien BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 788143442Sobrien 789143442Sobrien DEBUGOUT(NVE_DEBUG_INIT, "nve: nve_init_rings - exit\n"); 790143442Sobrien 791143442Sobrien return (error); 792143442Sobrien} 793143442Sobrien 794143442Sobrien/* Free the TX ring buffers */ 795143442Sobrienstatic void 796143442Sobriennve_free_rings(struct nve_softc *sc) 797143442Sobrien{ 798143442Sobrien int i; 799143442Sobrien 800143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_free_rings - entry\n"); 801143442Sobrien 802143442Sobrien for (i = 0; i < RX_RING_SIZE; i++) { 803143442Sobrien struct nve_rx_desc *desc = sc->rx_desc + i; 804143442Sobrien struct nve_map_buffer *buf = &desc->buf; 805143442Sobrien 806143442Sobrien if (buf->mbuf) { 807143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 808143442Sobrien bus_dmamap_destroy(sc->mtag, buf->map); 809143442Sobrien m_freem(buf->mbuf); 810143442Sobrien } 811143442Sobrien buf->mbuf = NULL; 812143442Sobrien } 813143442Sobrien 814143442Sobrien for (i = 0; i < TX_RING_SIZE; i++) { 815143442Sobrien struct nve_tx_desc *desc = sc->tx_desc + i; 816143442Sobrien struct nve_map_buffer *buf = &desc->buf; 817143442Sobrien 818143442Sobrien if (buf->mbuf) { 819143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 820143442Sobrien bus_dmamap_destroy(sc->mtag, buf->map); 821143442Sobrien m_freem(buf->mbuf); 822143442Sobrien } 823143442Sobrien buf->mbuf = NULL; 824143442Sobrien } 825143442Sobrien 826143442Sobrien DEBUGOUT(NVE_DEBUG_DEINIT, "nve: nve_free_rings - exit\n"); 827143442Sobrien} 828143442Sobrien 829143442Sobrien/* Main loop for sending packets from OS to interface */ 830143442Sobrienstatic void 831143442Sobriennve_ifstart(struct ifnet *ifp) 832143442Sobrien{ 833143442Sobrien struct nve_softc *sc = ifp->if_softc; 834152669Sjhb 835152669Sjhb NVE_LOCK(sc); 836152669Sjhb nve_ifstart_locked(ifp); 837152669Sjhb NVE_UNLOCK(sc); 838152669Sjhb} 839152669Sjhb 840152669Sjhbstatic void 841152669Sjhbnve_ifstart_locked(struct ifnet *ifp) 842152669Sjhb{ 843152669Sjhb struct nve_softc *sc = ifp->if_softc; 844143442Sobrien struct nve_map_buffer *buf; 845143442Sobrien struct mbuf *m0, *m; 846143442Sobrien struct nve_tx_desc *desc; 847143442Sobrien ADAPTER_WRITE_DATA txdata; 848143442Sobrien int error, i; 849143442Sobrien 850143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_ifstart - entry\n"); 851143442Sobrien 852152669Sjhb NVE_LOCK_ASSERT(sc); 853152669Sjhb 854143442Sobrien /* If link is down/busy or queue is empty do nothing */ 855152669Sjhb if (ifp->if_drv_flags & IFF_DRV_OACTIVE || 856152669Sjhb IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 857143442Sobrien return; 858143442Sobrien 859143442Sobrien /* Transmit queued packets until sent or TX ring is full */ 860143442Sobrien while (sc->pending_txs < TX_RING_SIZE) { 861143442Sobrien desc = sc->tx_desc + sc->cur_tx; 862143442Sobrien buf = &desc->buf; 863143442Sobrien 864143442Sobrien /* Get next packet to send. */ 865143442Sobrien IF_DEQUEUE(&ifp->if_snd, m0); 866143442Sobrien 867143442Sobrien /* If nothing to send, return. */ 868143442Sobrien if (m0 == NULL) 869143442Sobrien return; 870143442Sobrien 871143442Sobrien /* Map MBUF for DMA access */ 872143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, m0, 873143442Sobrien nve_dmamap_tx_cb, desc, BUS_DMA_NOWAIT); 874143442Sobrien 875143442Sobrien if (error && error != EFBIG) { 876143442Sobrien m_freem(m0); 877143442Sobrien sc->tx_errors++; 878143442Sobrien continue; 879143442Sobrien } 880143442Sobrien /* 881143442Sobrien * Packet has too many fragments - defrag into new mbuf 882143442Sobrien * cluster 883143442Sobrien */ 884143442Sobrien if (error) { 885143442Sobrien m = m_defrag(m0, M_DONTWAIT); 886143442Sobrien if (m == NULL) { 887143442Sobrien m_freem(m0); 888143442Sobrien sc->tx_errors++; 889143442Sobrien continue; 890143442Sobrien } 891143442Sobrien m0 = m; 892143442Sobrien 893143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, m, 894143442Sobrien nve_dmamap_tx_cb, desc, BUS_DMA_NOWAIT); 895143442Sobrien if (error) { 896143442Sobrien m_freem(m); 897143442Sobrien sc->tx_errors++; 898143442Sobrien continue; 899143442Sobrien } 900143442Sobrien } 901143442Sobrien /* Do sync on DMA bounce buffer */ 902143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_PREWRITE); 903143442Sobrien 904143442Sobrien buf->mbuf = m0; 905143442Sobrien txdata.ulNumberOfElements = desc->numfrags; 906143442Sobrien txdata.pvID = (PVOID)desc; 907143442Sobrien 908143442Sobrien /* Put fragments into API element list */ 909143442Sobrien txdata.ulTotalLength = buf->mbuf->m_len; 910143442Sobrien for (i = 0; i < desc->numfrags; i++) { 911143442Sobrien txdata.sElement[i].ulLength = 912143442Sobrien (ulong)desc->frags[i].ds_len; 913143442Sobrien txdata.sElement[i].pPhysical = 914143442Sobrien (PVOID)desc->frags[i].ds_addr; 915143442Sobrien } 916143442Sobrien 917143442Sobrien /* Send packet to Nvidia API for transmission */ 918143442Sobrien error = sc->hwapi->pfnWrite(sc->hwapi->pADCX, &txdata); 919143442Sobrien 920143442Sobrien switch (error) { 921143442Sobrien case ADAPTERERR_NONE: 922143442Sobrien /* Packet was queued in API TX queue successfully */ 923143442Sobrien sc->pending_txs++; 924143442Sobrien sc->cur_tx = (sc->cur_tx + 1) % TX_RING_SIZE; 925143442Sobrien break; 926143442Sobrien 927143442Sobrien case ADAPTERERR_TRANSMIT_QUEUE_FULL: 928143442Sobrien /* The API TX queue is full - requeue the packet */ 929143442Sobrien device_printf(sc->dev, 930143442Sobrien "nve_ifstart: transmit queue is full\n"); 931148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 932143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 933143442Sobrien IF_PREPEND(&ifp->if_snd, buf->mbuf); 934143442Sobrien buf->mbuf = NULL; 935143442Sobrien return; 936143442Sobrien 937143442Sobrien default: 938143442Sobrien /* The API failed to queue/send the packet so dump it */ 939143442Sobrien device_printf(sc->dev, "nve_ifstart: transmit error\n"); 940143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 941143442Sobrien m_freem(buf->mbuf); 942143442Sobrien buf->mbuf = NULL; 943143442Sobrien sc->tx_errors++; 944143442Sobrien return; 945143442Sobrien } 946143442Sobrien /* Set watchdog timer. */ 947143442Sobrien ifp->if_timer = 8; 948143442Sobrien 949143442Sobrien /* Copy packet to BPF tap */ 950143442Sobrien BPF_MTAP(ifp, m0); 951143442Sobrien } 952148887Srwatson ifp->if_drv_flags |= IFF_DRV_OACTIVE; 953143442Sobrien 954143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_ifstart - exit\n"); 955143442Sobrien} 956143442Sobrien 957143442Sobrien/* Handle IOCTL events */ 958143442Sobrienstatic int 959143442Sobriennve_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 960143442Sobrien{ 961143442Sobrien struct nve_softc *sc = ifp->if_softc; 962143442Sobrien struct ifreq *ifr = (struct ifreq *) data; 963143442Sobrien struct mii_data *mii; 964143442Sobrien int error = 0; 965143442Sobrien 966143442Sobrien DEBUGOUT(NVE_DEBUG_IOCTL, "nve: nve_ioctl - entry\n"); 967143442Sobrien 968143442Sobrien switch (command) { 969143442Sobrien case SIOCSIFMTU: 970143442Sobrien /* Set MTU size */ 971152669Sjhb NVE_LOCK(sc); 972152669Sjhb if (ifp->if_mtu == ifr->ifr_mtu) { 973152669Sjhb NVE_UNLOCK(sc); 974143442Sobrien break; 975152669Sjhb } 976143442Sobrien if (ifr->ifr_mtu + ifp->if_hdrlen <= MAX_PACKET_SIZE_1518) { 977143442Sobrien ifp->if_mtu = ifr->ifr_mtu; 978143442Sobrien nve_stop(sc); 979152669Sjhb nve_init_locked(sc); 980143442Sobrien } else 981143442Sobrien error = EINVAL; 982152669Sjhb NVE_UNLOCK(sc); 983143442Sobrien break; 984143442Sobrien 985143442Sobrien case SIOCSIFFLAGS: 986143442Sobrien /* Setup interface flags */ 987152669Sjhb NVE_LOCK(sc); 988143442Sobrien if (ifp->if_flags & IFF_UP) { 989148887Srwatson if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 990152669Sjhb nve_init_locked(sc); 991152669Sjhb NVE_UNLOCK(sc); 992143442Sobrien break; 993143442Sobrien } 994143442Sobrien } else { 995148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 996143442Sobrien nve_stop(sc); 997152669Sjhb NVE_UNLOCK(sc); 998143442Sobrien break; 999143442Sobrien } 1000143442Sobrien } 1001143442Sobrien /* Handle IFF_PROMISC and IFF_ALLMULTI flags. */ 1002143442Sobrien nve_setmulti(sc); 1003152669Sjhb NVE_UNLOCK(sc); 1004143442Sobrien break; 1005143442Sobrien 1006143442Sobrien case SIOCADDMULTI: 1007143442Sobrien case SIOCDELMULTI: 1008143442Sobrien /* Setup multicast filter */ 1009152669Sjhb NVE_LOCK(sc); 1010148887Srwatson if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1011143442Sobrien nve_setmulti(sc); 1012143442Sobrien } 1013152669Sjhb NVE_UNLOCK(sc); 1014143442Sobrien break; 1015143442Sobrien 1016143442Sobrien case SIOCGIFMEDIA: 1017143442Sobrien case SIOCSIFMEDIA: 1018143442Sobrien /* Get/Set interface media parameters */ 1019143442Sobrien mii = device_get_softc(sc->miibus); 1020143442Sobrien error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); 1021143442Sobrien break; 1022143442Sobrien 1023143442Sobrien default: 1024143442Sobrien /* Everything else we forward to generic ether ioctl */ 1025143442Sobrien error = ether_ioctl(ifp, (int)command, data); 1026143442Sobrien break; 1027143442Sobrien } 1028143442Sobrien 1029143442Sobrien DEBUGOUT(NVE_DEBUG_IOCTL, "nve: nve_ioctl - exit\n"); 1030143442Sobrien 1031143442Sobrien return (error); 1032143442Sobrien} 1033143442Sobrien 1034143442Sobrien/* Interrupt service routine */ 1035143442Sobrienstatic void 1036143442Sobriennve_intr(void *arg) 1037143442Sobrien{ 1038143442Sobrien struct nve_softc *sc = arg; 1039147256Sbrooks struct ifnet *ifp = sc->ifp; 1040143442Sobrien 1041143442Sobrien DEBUGOUT(NVE_DEBUG_INTERRUPT, "nve: nve_intr - entry\n"); 1042143442Sobrien 1043152669Sjhb NVE_LOCK(sc); 1044143442Sobrien if (!ifp->if_flags & IFF_UP) { 1045143442Sobrien nve_stop(sc); 1046152669Sjhb NVE_UNLOCK(sc); 1047143442Sobrien return; 1048143442Sobrien } 1049143442Sobrien /* Handle interrupt event */ 1050143442Sobrien if (sc->hwapi->pfnQueryInterrupt(sc->hwapi->pADCX)) { 1051143442Sobrien sc->hwapi->pfnHandleInterrupt(sc->hwapi->pADCX); 1052143442Sobrien sc->hwapi->pfnEnableInterrupts(sc->hwapi->pADCX); 1053143442Sobrien } 1054152669Sjhb if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1055152669Sjhb nve_ifstart_locked(ifp); 1056143442Sobrien 1057143442Sobrien /* If no pending packets we don't need a timeout */ 1058143442Sobrien if (sc->pending_txs == 0) 1059147256Sbrooks sc->ifp->if_timer = 0; 1060152669Sjhb NVE_UNLOCK(sc); 1061143442Sobrien 1062143442Sobrien DEBUGOUT(NVE_DEBUG_INTERRUPT, "nve: nve_intr - exit\n"); 1063143442Sobrien 1064143442Sobrien return; 1065143442Sobrien} 1066143442Sobrien 1067143442Sobrien/* Setup multicast filters */ 1068143442Sobrienstatic void 1069143442Sobriennve_setmulti(struct nve_softc *sc) 1070143442Sobrien{ 1071143442Sobrien struct ifnet *ifp; 1072143442Sobrien struct ifmultiaddr *ifma; 1073143442Sobrien PACKET_FILTER hwfilter; 1074143442Sobrien int i; 1075143442Sobrien u_int8_t andaddr[6], oraddr[6]; 1076143442Sobrien 1077152669Sjhb NVE_LOCK_ASSERT(sc); 1078143442Sobrien 1079143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_setmulti - entry\n"); 1080143442Sobrien 1081147256Sbrooks ifp = sc->ifp; 1082143442Sobrien 1083143442Sobrien /* Initialize filter */ 1084143442Sobrien hwfilter.ulFilterFlags = 0; 1085143442Sobrien for (i = 0; i < 6; i++) { 1086143442Sobrien hwfilter.acMulticastAddress[i] = 0; 1087143442Sobrien hwfilter.acMulticastMask[i] = 0; 1088143442Sobrien } 1089143442Sobrien 1090143442Sobrien if (ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)) { 1091143442Sobrien /* Accept all packets */ 1092143442Sobrien hwfilter.ulFilterFlags |= ACCEPT_ALL_PACKETS; 1093143442Sobrien sc->hwapi->pfnSetPacketFilter(sc->hwapi->pADCX, &hwfilter); 1094143442Sobrien return; 1095143442Sobrien } 1096143442Sobrien /* Setup multicast filter */ 1097148654Srwatson IF_ADDR_LOCK(ifp); 1098143442Sobrien TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1099143442Sobrien u_char *addrp; 1100143442Sobrien 1101143442Sobrien if (ifma->ifma_addr->sa_family != AF_LINK) 1102143442Sobrien continue; 1103143442Sobrien 1104143442Sobrien addrp = LLADDR((struct sockaddr_dl *) ifma->ifma_addr); 1105143442Sobrien for (i = 0; i < 6; i++) { 1106143442Sobrien u_int8_t mcaddr = addrp[i]; 1107143442Sobrien andaddr[i] &= mcaddr; 1108143442Sobrien oraddr[i] |= mcaddr; 1109143442Sobrien } 1110143442Sobrien } 1111148654Srwatson IF_ADDR_UNLOCK(ifp); 1112143442Sobrien for (i = 0; i < 6; i++) { 1113143442Sobrien hwfilter.acMulticastAddress[i] = andaddr[i] & oraddr[i]; 1114143442Sobrien hwfilter.acMulticastMask[i] = andaddr[i] | (~oraddr[i]); 1115143442Sobrien } 1116143442Sobrien 1117143442Sobrien /* Send filter to NVIDIA API */ 1118143442Sobrien sc->hwapi->pfnSetPacketFilter(sc->hwapi->pADCX, &hwfilter); 1119143442Sobrien 1120143442Sobrien DEBUGOUT(NVE_DEBUG_RUNNING, "nve: nve_setmulti - exit\n"); 1121143442Sobrien 1122143442Sobrien return; 1123143442Sobrien} 1124143442Sobrien 1125143442Sobrien/* Change the current media/mediaopts */ 1126143442Sobrienstatic int 1127143442Sobriennve_ifmedia_upd(struct ifnet *ifp) 1128143442Sobrien{ 1129143442Sobrien struct nve_softc *sc = ifp->if_softc; 1130152669Sjhb 1131152669Sjhb NVE_LOCK(sc); 1132152669Sjhb nve_ifmedia_upd_locked(ifp); 1133152669Sjhb NVE_UNLOCK(sc); 1134152669Sjhb return (0); 1135152669Sjhb} 1136152669Sjhb 1137152669Sjhbstatic void 1138152669Sjhbnve_ifmedia_upd_locked(struct ifnet *ifp) 1139152669Sjhb{ 1140152669Sjhb struct nve_softc *sc = ifp->if_softc; 1141143442Sobrien struct mii_data *mii; 1142143442Sobrien 1143143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_ifmedia_upd\n"); 1144143442Sobrien 1145152669Sjhb NVE_LOCK_ASSERT(sc); 1146143442Sobrien mii = device_get_softc(sc->miibus); 1147143442Sobrien 1148143442Sobrien if (mii->mii_instance) { 1149143442Sobrien struct mii_softc *miisc; 1150143442Sobrien for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1151143442Sobrien miisc = LIST_NEXT(miisc, mii_list)) { 1152143442Sobrien mii_phy_reset(miisc); 1153143442Sobrien } 1154143442Sobrien } 1155143442Sobrien mii_mediachg(mii); 1156143442Sobrien} 1157143442Sobrien 1158143442Sobrien/* Update current miibus PHY status of media */ 1159143442Sobrienstatic void 1160143442Sobriennve_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 1161143442Sobrien{ 1162143442Sobrien struct nve_softc *sc; 1163143442Sobrien struct mii_data *mii; 1164143442Sobrien 1165143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_ifmedia_sts\n"); 1166143442Sobrien 1167143442Sobrien sc = ifp->if_softc; 1168152669Sjhb NVE_LOCK(sc); 1169143442Sobrien mii = device_get_softc(sc->miibus); 1170143442Sobrien mii_pollstat(mii); 1171152669Sjhb NVE_UNLOCK(sc); 1172143442Sobrien 1173143442Sobrien ifmr->ifm_active = mii->mii_media_active; 1174143442Sobrien ifmr->ifm_status = mii->mii_media_status; 1175143442Sobrien 1176143442Sobrien return; 1177143442Sobrien} 1178143442Sobrien 1179143442Sobrien/* miibus tick timer - maintain link status */ 1180143442Sobrienstatic void 1181143442Sobriennve_tick(void *xsc) 1182143442Sobrien{ 1183143442Sobrien struct nve_softc *sc = xsc; 1184143442Sobrien struct mii_data *mii; 1185143442Sobrien struct ifnet *ifp; 1186143442Sobrien 1187152669Sjhb NVE_LOCK_ASSERT(sc); 1188143442Sobrien 1189147256Sbrooks ifp = sc->ifp; 1190143442Sobrien nve_update_stats(sc); 1191143442Sobrien 1192143442Sobrien mii = device_get_softc(sc->miibus); 1193143442Sobrien mii_tick(mii); 1194143442Sobrien 1195143442Sobrien if (mii->mii_media_status & IFM_ACTIVE && 1196143442Sobrien IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1197152669Sjhb if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1198152669Sjhb nve_ifstart_locked(ifp); 1199143442Sobrien } 1200152669Sjhb callout_reset(&sc->stat_callout, hz, nve_tick, sc); 1201143442Sobrien 1202143442Sobrien return; 1203143442Sobrien} 1204143442Sobrien 1205143442Sobrien/* Update ifnet data structure with collected interface stats from API */ 1206143442Sobrienstatic void 1207143442Sobriennve_update_stats(struct nve_softc *sc) 1208143442Sobrien{ 1209147256Sbrooks struct ifnet *ifp = sc->ifp; 1210143442Sobrien ADAPTER_STATS stats; 1211143442Sobrien 1212152669Sjhb NVE_LOCK_ASSERT(sc); 1213143442Sobrien 1214143442Sobrien if (sc->hwapi) { 1215143442Sobrien sc->hwapi->pfnGetStatistics(sc->hwapi->pADCX, &stats); 1216143442Sobrien 1217143442Sobrien ifp->if_ipackets = stats.ulSuccessfulReceptions; 1218143442Sobrien ifp->if_ierrors = stats.ulMissedFrames + 1219143442Sobrien stats.ulFailedReceptions + 1220143442Sobrien stats.ulCRCErrors + 1221143442Sobrien stats.ulFramingErrors + 1222143442Sobrien stats.ulOverFlowErrors; 1223143442Sobrien 1224143442Sobrien ifp->if_opackets = stats.ulSuccessfulTransmissions; 1225143442Sobrien ifp->if_oerrors = sc->tx_errors + 1226143442Sobrien stats.ulFailedTransmissions + 1227143442Sobrien stats.ulRetryErrors + 1228143442Sobrien stats.ulUnderflowErrors + 1229143442Sobrien stats.ulLossOfCarrierErrors + 1230143442Sobrien stats.ulLateCollisionErrors; 1231143442Sobrien 1232143442Sobrien ifp->if_collisions = stats.ulLateCollisionErrors; 1233143442Sobrien } 1234143442Sobrien 1235143442Sobrien return; 1236143442Sobrien} 1237143442Sobrien 1238143442Sobrien/* miibus Read PHY register wrapper - calls Nvidia API entry point */ 1239143442Sobrienstatic int 1240143442Sobriennve_miibus_readreg(device_t dev, int phy, int reg) 1241143442Sobrien{ 1242143442Sobrien struct nve_softc *sc = device_get_softc(dev); 1243143442Sobrien ULONG data; 1244143442Sobrien 1245143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_readreg - entry\n"); 1246143442Sobrien 1247143442Sobrien ADAPTER_ReadPhy(sc->hwapi->pADCX, phy, reg, &data); 1248143442Sobrien 1249143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_readreg - exit\n"); 1250143442Sobrien 1251143442Sobrien return (data); 1252143442Sobrien} 1253143442Sobrien 1254143442Sobrien/* miibus Write PHY register wrapper - calls Nvidia API entry point */ 1255143442Sobrienstatic void 1256143442Sobriennve_miibus_writereg(device_t dev, int phy, int reg, int data) 1257143442Sobrien{ 1258143442Sobrien struct nve_softc *sc = device_get_softc(dev); 1259143442Sobrien 1260143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_writereg - entry\n"); 1261143442Sobrien 1262143442Sobrien ADAPTER_WritePhy(sc->hwapi->pADCX, phy, reg, (ulong)data); 1263143442Sobrien 1264143442Sobrien DEBUGOUT(NVE_DEBUG_MII, "nve: nve_miibus_writereg - exit\n"); 1265143442Sobrien 1266143442Sobrien return; 1267143442Sobrien} 1268143442Sobrien 1269143442Sobrien/* Watchdog timer to prevent PHY lockups */ 1270143442Sobrienstatic void 1271143442Sobriennve_watchdog(struct ifnet *ifp) 1272143442Sobrien{ 1273143442Sobrien struct nve_softc *sc = ifp->if_softc; 1274143442Sobrien 1275143442Sobrien device_printf(sc->dev, "device timeout (%d)\n", sc->pending_txs); 1276143442Sobrien 1277152669Sjhb NVE_LOCK(sc); 1278143442Sobrien sc->tx_errors++; 1279143442Sobrien 1280143442Sobrien nve_stop(sc); 1281148887Srwatson ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1282152669Sjhb nve_init_locked(sc); 1283143442Sobrien 1284152669Sjhb if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1285152669Sjhb nve_ifstart_locked(ifp); 1286152669Sjhb NVE_UNLOCK(sc); 1287143442Sobrien 1288143442Sobrien return; 1289143442Sobrien} 1290143442Sobrien 1291143442Sobrien/* --- Start of NVOSAPI interface --- */ 1292143442Sobrien 1293143442Sobrien/* Allocate DMA enabled general use memory for API */ 1294143442Sobrienstatic NV_SINT32 1295143442Sobriennve_osalloc(PNV_VOID ctx, PMEMORY_BLOCK mem) 1296143442Sobrien{ 1297143442Sobrien struct nve_softc *sc; 1298143442Sobrien bus_addr_t mem_physical; 1299143442Sobrien 1300143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osalloc - %d\n", mem->uiLength); 1301143442Sobrien 1302143442Sobrien sc = (struct nve_softc *)ctx; 1303143442Sobrien 1304143442Sobrien mem->pLogical = (PVOID)contigmalloc(mem->uiLength, M_DEVBUF, 1305143442Sobrien M_NOWAIT | M_ZERO, 0, ~0, PAGE_SIZE, 0); 1306143442Sobrien 1307143442Sobrien if (!mem->pLogical) { 1308143442Sobrien device_printf(sc->dev, "memory allocation failed\n"); 1309143442Sobrien return (0); 1310143442Sobrien } 1311143442Sobrien memset(mem->pLogical, 0, (ulong)mem->uiLength); 1312143442Sobrien mem_physical = vtophys(mem->pLogical); 1313143442Sobrien mem->pPhysical = (PVOID)mem_physical; 1314143442Sobrien 1315143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osalloc 0x%x/0x%x - %d\n", 1316143442Sobrien (uint)mem->pLogical, (uint)mem->pPhysical, (uint)mem->uiLength); 1317143442Sobrien 1318143442Sobrien return (1); 1319143442Sobrien} 1320143442Sobrien 1321143442Sobrien/* Free allocated memory */ 1322143442Sobrienstatic NV_SINT32 1323143442Sobriennve_osfree(PNV_VOID ctx, PMEMORY_BLOCK mem) 1324143442Sobrien{ 1325143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osfree - 0x%x - %d\n", 1326143442Sobrien (uint)mem->pLogical, (uint) mem->uiLength); 1327143442Sobrien 1328143442Sobrien contigfree(mem->pLogical, PAGE_SIZE, M_DEVBUF); 1329143442Sobrien return (1); 1330143442Sobrien} 1331143442Sobrien 1332143442Sobrien/* Copied directly from nvnet.c */ 1333143442Sobrienstatic NV_SINT32 1334143442Sobriennve_osallocex(PNV_VOID ctx, PMEMORY_BLOCKEX mem_block_ex) 1335143442Sobrien{ 1336143442Sobrien MEMORY_BLOCK mem_block; 1337143442Sobrien 1338143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osallocex\n"); 1339143442Sobrien 1340143442Sobrien mem_block_ex->pLogical = NULL; 1341143442Sobrien mem_block_ex->uiLengthOrig = mem_block_ex->uiLength; 1342143442Sobrien 1343143442Sobrien if ((mem_block_ex->AllocFlags & ALLOC_MEMORY_ALIGNED) && 1344143442Sobrien (mem_block_ex->AlignmentSize > 1)) { 1345143442Sobrien DEBUGOUT(NVE_DEBUG_API, " aligning on %d\n", 1346143442Sobrien mem_block_ex->AlignmentSize); 1347143442Sobrien mem_block_ex->uiLengthOrig += mem_block_ex->AlignmentSize; 1348143442Sobrien } 1349143442Sobrien mem_block.uiLength = mem_block_ex->uiLengthOrig; 1350143442Sobrien 1351143442Sobrien if (nve_osalloc(ctx, &mem_block) == 0) { 1352143442Sobrien return (0); 1353143442Sobrien } 1354143442Sobrien mem_block_ex->pLogicalOrig = mem_block.pLogical; 1355143442Sobrien mem_block_ex->pPhysicalOrigLow = (unsigned long)mem_block.pPhysical; 1356143442Sobrien mem_block_ex->pPhysicalOrigHigh = 0; 1357143442Sobrien 1358143442Sobrien mem_block_ex->pPhysical = mem_block.pPhysical; 1359143442Sobrien mem_block_ex->pLogical = mem_block.pLogical; 1360143442Sobrien 1361143442Sobrien if (mem_block_ex->uiLength != mem_block_ex->uiLengthOrig) { 1362143442Sobrien unsigned int offset; 1363143442Sobrien offset = mem_block_ex->pPhysicalOrigLow & 1364143442Sobrien (mem_block_ex->AlignmentSize - 1); 1365143442Sobrien 1366143442Sobrien if (offset) { 1367143442Sobrien mem_block_ex->pPhysical = 1368143442Sobrien (PVOID)((ulong)mem_block_ex->pPhysical + 1369143442Sobrien mem_block_ex->AlignmentSize - offset); 1370143442Sobrien mem_block_ex->pLogical = 1371143442Sobrien (PVOID)((ulong)mem_block_ex->pLogical + 1372143442Sobrien mem_block_ex->AlignmentSize - offset); 1373143442Sobrien } /* if (offset) */ 1374143442Sobrien } /* if (mem_block_ex->uiLength != *mem_block_ex->uiLengthOrig) */ 1375143442Sobrien return (1); 1376143442Sobrien} 1377143442Sobrien 1378143442Sobrien/* Copied directly from nvnet.c */ 1379143442Sobrienstatic NV_SINT32 1380143442Sobriennve_osfreeex(PNV_VOID ctx, PMEMORY_BLOCKEX mem_block_ex) 1381143442Sobrien{ 1382143442Sobrien MEMORY_BLOCK mem_block; 1383143442Sobrien 1384143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osfreeex\n"); 1385143442Sobrien 1386143442Sobrien mem_block.pLogical = mem_block_ex->pLogicalOrig; 1387143442Sobrien mem_block.pPhysical = (PVOID)((ulong)mem_block_ex->pPhysicalOrigLow); 1388143442Sobrien mem_block.uiLength = mem_block_ex->uiLengthOrig; 1389143442Sobrien 1390143442Sobrien return (nve_osfree(ctx, &mem_block)); 1391143442Sobrien} 1392143442Sobrien 1393143442Sobrien/* Clear memory region */ 1394143442Sobrienstatic NV_SINT32 1395143442Sobriennve_osclear(PNV_VOID ctx, PNV_VOID mem, NV_SINT32 length) 1396143442Sobrien{ 1397143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osclear\n"); 1398143442Sobrien memset(mem, 0, length); 1399143442Sobrien return (1); 1400143442Sobrien} 1401143442Sobrien 1402143442Sobrien/* Sleep for a tick */ 1403143442Sobrienstatic NV_SINT32 1404143442Sobriennve_osdelay(PNV_VOID ctx, NV_UINT32 usec) 1405143442Sobrien{ 1406143442Sobrien DELAY(usec); 1407143442Sobrien return (1); 1408143442Sobrien} 1409143442Sobrien 1410143442Sobrien/* Allocate memory for rx buffer */ 1411143442Sobrienstatic NV_SINT32 1412143442Sobriennve_osallocrxbuf(PNV_VOID ctx, PMEMORY_BLOCK mem, PNV_VOID *id) 1413143442Sobrien{ 1414143442Sobrien struct nve_softc *sc = ctx; 1415143442Sobrien struct nve_rx_desc *desc; 1416143442Sobrien struct nve_map_buffer *buf; 1417143442Sobrien int error; 1418143442Sobrien 1419152669Sjhb if (device_is_attached(sc->dev)) 1420152669Sjhb NVE_LOCK_ASSERT(sc); 1421143442Sobrien 1422143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osallocrxbuf\n"); 1423143442Sobrien 1424143442Sobrien if (sc->pending_rxs == RX_RING_SIZE) { 1425143442Sobrien device_printf(sc->dev, "rx ring buffer is full\n"); 1426143442Sobrien goto fail; 1427143442Sobrien } 1428143442Sobrien desc = sc->rx_desc + sc->cur_rx; 1429143442Sobrien buf = &desc->buf; 1430143442Sobrien 1431143442Sobrien if (buf->mbuf == NULL) { 1432143442Sobrien buf->mbuf = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1433143442Sobrien if (buf->mbuf == NULL) { 1434143442Sobrien device_printf(sc->dev, "failed to allocate memory\n"); 1435143442Sobrien goto fail; 1436143442Sobrien } 1437143442Sobrien buf->mbuf->m_len = buf->mbuf->m_pkthdr.len = MCLBYTES; 1438143442Sobrien m_adj(buf->mbuf, ETHER_ALIGN); 1439143442Sobrien 1440143442Sobrien error = bus_dmamap_load_mbuf(sc->mtag, buf->map, buf->mbuf, 1441143442Sobrien nve_dmamap_rx_cb, &desc->paddr, 0); 1442143442Sobrien if (error) { 1443143442Sobrien device_printf(sc->dev, "failed to dmamap mbuf\n"); 1444143442Sobrien m_freem(buf->mbuf); 1445143442Sobrien buf->mbuf = NULL; 1446143442Sobrien goto fail; 1447143442Sobrien } 1448143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_PREREAD); 1449143442Sobrien desc->buflength = buf->mbuf->m_len; 1450143442Sobrien desc->vaddr = mtod(buf->mbuf, caddr_t); 1451143442Sobrien } 1452143442Sobrien sc->pending_rxs++; 1453143442Sobrien sc->cur_rx = (sc->cur_rx + 1) % RX_RING_SIZE; 1454143442Sobrien 1455143442Sobrien mem->pLogical = (void *)desc->vaddr; 1456143442Sobrien mem->pPhysical = (void *)desc->paddr; 1457143442Sobrien mem->uiLength = desc->buflength; 1458143442Sobrien *id = (void *)desc; 1459143442Sobrien 1460143442Sobrien return (1); 1461143442Sobrien 1462143442Sobrienfail: 1463143442Sobrien return (0); 1464143442Sobrien} 1465143442Sobrien 1466143442Sobrien/* Free the rx buffer */ 1467143442Sobrienstatic NV_SINT32 1468143442Sobriennve_osfreerxbuf(PNV_VOID ctx, PMEMORY_BLOCK mem, PNV_VOID id) 1469143442Sobrien{ 1470143442Sobrien struct nve_softc *sc = ctx; 1471143442Sobrien struct nve_rx_desc *desc; 1472143442Sobrien struct nve_map_buffer *buf; 1473143442Sobrien 1474143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_osfreerxbuf\n"); 1475143442Sobrien 1476143442Sobrien desc = (struct nve_rx_desc *) id; 1477143442Sobrien buf = &desc->buf; 1478143442Sobrien 1479143442Sobrien if (buf->mbuf) { 1480143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1481143442Sobrien bus_dmamap_destroy(sc->mtag, buf->map); 1482143442Sobrien m_freem(buf->mbuf); 1483143442Sobrien } 1484143442Sobrien sc->pending_rxs--; 1485143442Sobrien buf->mbuf = NULL; 1486143442Sobrien 1487143442Sobrien return (1); 1488143442Sobrien} 1489143442Sobrien 1490143442Sobrien/* This gets called by the Nvidia API after our TX packet has been sent */ 1491143442Sobrienstatic NV_SINT32 1492143442Sobriennve_ospackettx(PNV_VOID ctx, PNV_VOID id, NV_UINT32 success) 1493143442Sobrien{ 1494143442Sobrien struct nve_softc *sc = ctx; 1495143442Sobrien struct nve_map_buffer *buf; 1496143442Sobrien struct nve_tx_desc *desc = (struct nve_tx_desc *) id; 1497143442Sobrien struct ifnet *ifp; 1498143442Sobrien 1499152669Sjhb NVE_LOCK_ASSERT(sc); 1500143442Sobrien 1501143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_ospackettx\n"); 1502143442Sobrien 1503147256Sbrooks ifp = sc->ifp; 1504143442Sobrien buf = &desc->buf; 1505143442Sobrien sc->pending_txs--; 1506143442Sobrien 1507143442Sobrien /* Unload and free mbuf cluster */ 1508143442Sobrien if (buf->mbuf == NULL) 1509143442Sobrien goto fail; 1510143442Sobrien 1511143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTWRITE); 1512143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1513143442Sobrien m_freem(buf->mbuf); 1514143442Sobrien buf->mbuf = NULL; 1515143442Sobrien 1516143442Sobrien /* Send more packets if we have them */ 1517143442Sobrien if (sc->pending_txs < TX_RING_SIZE) 1518148887Srwatson sc->ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1519143442Sobrien 1520152669Sjhb if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd) && sc->pending_txs < TX_RING_SIZE) 1521152669Sjhb nve_ifstart_locked(ifp); 1522143442Sobrien 1523143442Sobrienfail: 1524143442Sobrien 1525143442Sobrien return (1); 1526143442Sobrien} 1527143442Sobrien 1528143442Sobrien/* This gets called by the Nvidia API when a new packet has been received */ 1529143442Sobrien/* XXX What is newbuf used for? XXX */ 1530143442Sobrienstatic NV_SINT32 1531143442Sobriennve_ospacketrx(PNV_VOID ctx, PNV_VOID data, NV_UINT32 success, NV_UINT8 *newbuf, 1532143442Sobrien NV_UINT8 priority) 1533143442Sobrien{ 1534143442Sobrien struct nve_softc *sc = ctx; 1535143442Sobrien struct ifnet *ifp; 1536143442Sobrien struct nve_rx_desc *desc; 1537143442Sobrien struct nve_map_buffer *buf; 1538143442Sobrien ADAPTER_READ_DATA *readdata; 1539152669Sjhb struct mbuf *m; 1540143442Sobrien 1541152669Sjhb NVE_LOCK_ASSERT(sc); 1542143442Sobrien 1543143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_ospacketrx\n"); 1544143442Sobrien 1545147256Sbrooks ifp = sc->ifp; 1546143442Sobrien 1547143442Sobrien readdata = (ADAPTER_READ_DATA *) data; 1548143442Sobrien desc = readdata->pvID; 1549143442Sobrien buf = &desc->buf; 1550143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTREAD); 1551143442Sobrien 1552143442Sobrien if (success) { 1553143442Sobrien /* Sync DMA bounce buffer. */ 1554143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTREAD); 1555143442Sobrien 1556143442Sobrien /* First mbuf in packet holds the ethernet and packet headers */ 1557143442Sobrien buf->mbuf->m_pkthdr.rcvif = ifp; 1558143442Sobrien buf->mbuf->m_pkthdr.len = buf->mbuf->m_len = 1559143442Sobrien readdata->ulTotalLength; 1560143442Sobrien 1561143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1562143442Sobrien 1563152669Sjhb /* Blat the mbuf pointer, kernel will free the mbuf cluster */ 1564152669Sjhb m = buf->mbuf; 1565152669Sjhb buf->mbuf = NULL; 1566152669Sjhb 1567143442Sobrien /* Give mbuf to OS. */ 1568152669Sjhb NVE_UNLOCK(sc); 1569152669Sjhb (*ifp->if_input)(ifp, m); 1570152669Sjhb NVE_LOCK(sc); 1571143442Sobrien if (readdata->ulFilterMatch & ADREADFL_MULTICAST_MATCH) 1572143442Sobrien ifp->if_imcasts++; 1573143442Sobrien 1574143442Sobrien } else { 1575143442Sobrien bus_dmamap_sync(sc->mtag, buf->map, BUS_DMASYNC_POSTREAD); 1576143442Sobrien bus_dmamap_unload(sc->mtag, buf->map); 1577143442Sobrien m_freem(buf->mbuf); 1578143442Sobrien buf->mbuf = NULL; 1579143442Sobrien } 1580143442Sobrien 1581143442Sobrien sc->cur_rx = desc - sc->rx_desc; 1582143442Sobrien sc->pending_rxs--; 1583143442Sobrien 1584143442Sobrien return (1); 1585143442Sobrien} 1586143442Sobrien 1587143442Sobrien/* This gets called by NVIDIA API when the PHY link state changes */ 1588143442Sobrienstatic NV_SINT32 1589143442Sobriennve_oslinkchg(PNV_VOID ctx, NV_SINT32 enabled) 1590143442Sobrien{ 1591143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1592143442Sobrien struct ifnet *ifp; 1593143442Sobrien 1594143442Sobrien DEBUGOUT(NVE_DEBUG_API, "nve: nve_oslinkchg\n"); 1595143442Sobrien 1596147256Sbrooks ifp = sc->ifp; 1597143442Sobrien 1598143442Sobrien if (enabled) 1599143442Sobrien ifp->if_flags |= IFF_UP; 1600143442Sobrien else 1601143442Sobrien ifp->if_flags &= ~IFF_UP; 1602143442Sobrien 1603143442Sobrien return (1); 1604143442Sobrien} 1605143442Sobrien 1606143442Sobrien/* Setup a watchdog timer */ 1607143442Sobrienstatic NV_SINT32 1608143442Sobriennve_osalloctimer(PNV_VOID ctx, PNV_VOID *timer) 1609143442Sobrien{ 1610143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1611143442Sobrien 1612143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osalloctimer\n"); 1613143442Sobrien 1614152669Sjhb callout_init(&sc->ostimer, CALLOUT_MPSAFE); 1615143442Sobrien *timer = &sc->ostimer; 1616143442Sobrien 1617143442Sobrien return (1); 1618143442Sobrien} 1619143442Sobrien 1620143442Sobrien/* Free the timer */ 1621143442Sobrienstatic NV_SINT32 1622143442Sobriennve_osfreetimer(PNV_VOID ctx, PNV_VOID timer) 1623143442Sobrien{ 1624143442Sobrien 1625143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osfreetimer\n"); 1626143442Sobrien 1627152669Sjhb callout_drain((struct callout *)timer); 1628152669Sjhb 1629143442Sobrien return (1); 1630143442Sobrien} 1631143442Sobrien 1632143442Sobrien/* Setup timer parameters */ 1633143442Sobrienstatic NV_SINT32 1634143442Sobriennve_osinittimer(PNV_VOID ctx, PNV_VOID timer, PTIMER_FUNC func, PNV_VOID parameters) 1635143442Sobrien{ 1636143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1637143442Sobrien 1638143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osinittimer\n"); 1639143442Sobrien 1640143442Sobrien sc->ostimer_func = func; 1641143442Sobrien sc->ostimer_params = parameters; 1642143442Sobrien 1643143442Sobrien return (1); 1644143442Sobrien} 1645143442Sobrien 1646143442Sobrien/* Set the timer to go off */ 1647143442Sobrienstatic NV_SINT32 1648143442Sobriennve_ossettimer(PNV_VOID ctx, PNV_VOID timer, NV_UINT32 delay) 1649143442Sobrien{ 1650143442Sobrien struct nve_softc *sc = ctx; 1651143442Sobrien 1652143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_ossettimer\n"); 1653143442Sobrien 1654152669Sjhb callout_reset((struct callout *)timer, delay, sc->ostimer_func, 1655152669Sjhb sc->ostimer_params); 1656143442Sobrien 1657143442Sobrien return (1); 1658143442Sobrien} 1659143442Sobrien 1660143442Sobrien/* Cancel the timer */ 1661143442Sobrienstatic NV_SINT32 1662143442Sobriennve_oscanceltimer(PNV_VOID ctx, PNV_VOID timer) 1663143442Sobrien{ 1664143442Sobrien 1665143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_oscanceltimer\n"); 1666143442Sobrien 1667152669Sjhb callout_stop((struct callout *)timer); 1668143442Sobrien 1669143442Sobrien return (1); 1670143442Sobrien} 1671143442Sobrien 1672143442Sobrienstatic NV_SINT32 1673143442Sobriennve_ospreprocpkt(PNV_VOID ctx, PNV_VOID readdata, PNV_VOID *id, 1674143442Sobrien NV_UINT8 *newbuffer, NV_UINT8 priority) 1675143442Sobrien{ 1676143442Sobrien 1677143442Sobrien /* Not implemented */ 1678143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_ospreprocpkt\n"); 1679143442Sobrien 1680143442Sobrien return (1); 1681143442Sobrien} 1682143442Sobrien 1683143442Sobrienstatic PNV_VOID 1684143442Sobriennve_ospreprocpktnopq(PNV_VOID ctx, PNV_VOID readdata) 1685143442Sobrien{ 1686143442Sobrien 1687143442Sobrien /* Not implemented */ 1688143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_ospreprocpkt\n"); 1689143442Sobrien 1690143442Sobrien return (NULL); 1691143442Sobrien} 1692143442Sobrien 1693143442Sobrienstatic NV_SINT32 1694143442Sobriennve_osindicatepkt(PNV_VOID ctx, PNV_VOID *id, NV_UINT32 pktno) 1695143442Sobrien{ 1696143442Sobrien 1697143442Sobrien /* Not implemented */ 1698143442Sobrien DEBUGOUT(NVE_DEBUG_BROKEN, "nve: nve_osindicatepkt\n"); 1699143442Sobrien 1700143442Sobrien return (1); 1701143442Sobrien} 1702143442Sobrien 1703143442Sobrien/* Allocate mutex context (already done in nve_attach) */ 1704143442Sobrienstatic NV_SINT32 1705143442Sobriennve_oslockalloc(PNV_VOID ctx, NV_SINT32 type, PNV_VOID *pLock) 1706143442Sobrien{ 1707143442Sobrien struct nve_softc *sc = (struct nve_softc *)ctx; 1708143442Sobrien 1709143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_oslockalloc\n"); 1710143442Sobrien 1711143442Sobrien *pLock = (void **)sc; 1712143442Sobrien 1713143442Sobrien return (1); 1714143442Sobrien} 1715143442Sobrien 1716143442Sobrien/* Obtain a spin lock */ 1717143442Sobrienstatic NV_SINT32 1718143442Sobriennve_oslockacquire(PNV_VOID ctx, NV_SINT32 type, PNV_VOID lock) 1719143442Sobrien{ 1720143442Sobrien 1721143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_oslockacquire\n"); 1722143442Sobrien 1723143442Sobrien NVE_OSLOCK((struct nve_softc *)lock); 1724143442Sobrien 1725143442Sobrien return (1); 1726143442Sobrien} 1727143442Sobrien 1728143442Sobrien/* Release lock */ 1729143442Sobrienstatic NV_SINT32 1730143442Sobriennve_oslockrelease(PNV_VOID ctx, NV_SINT32 type, PNV_VOID lock) 1731143442Sobrien{ 1732143442Sobrien 1733143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_oslockrelease\n"); 1734143442Sobrien 1735143442Sobrien NVE_OSUNLOCK((struct nve_softc *)lock); 1736143442Sobrien 1737143442Sobrien return (1); 1738143442Sobrien} 1739143442Sobrien 1740143442Sobrien/* I have no idea what this is for */ 1741143442Sobrienstatic PNV_VOID 1742143442Sobriennve_osreturnbufvirt(PNV_VOID ctx, PNV_VOID readdata) 1743143442Sobrien{ 1744143442Sobrien 1745143442Sobrien /* Not implemented */ 1746143442Sobrien DEBUGOUT(NVE_DEBUG_LOCK, "nve: nve_osreturnbufvirt\n"); 1747143442Sobrien panic("nve: nve_osreturnbufvirtual not implemented\n"); 1748143442Sobrien 1749143442Sobrien return (NULL); 1750143442Sobrien} 1751143442Sobrien 1752143442Sobrien/* --- End on NVOSAPI interface --- */ 1753