kauai.c revision 1.1.2.3
1 1.1.2.3 grant /* $NetBSD: kauai.c,v 1.1.2.3 2003/06/19 11:24:01 grant Exp $ */ 2 1.1.2.2 grant 3 1.1.2.2 grant /*- 4 1.1.2.2 grant * Copyright (c) 2003 Tsubai Masanari. All rights reserved. 5 1.1.2.2 grant * 6 1.1.2.2 grant * Redistribution and use in source and binary forms, with or without 7 1.1.2.2 grant * modification, are permitted provided that the following conditions 8 1.1.2.2 grant * are met: 9 1.1.2.2 grant * 1. Redistributions of source code must retain the above copyright 10 1.1.2.2 grant * notice, this list of conditions and the following disclaimer. 11 1.1.2.2 grant * 2. Redistributions in binary form must reproduce the above copyright 12 1.1.2.2 grant * notice, this list of conditions and the following disclaimer in the 13 1.1.2.2 grant * documentation and/or other materials provided with the distribution. 14 1.1.2.2 grant * 3. The name of the author may not be used to endorse or promote products 15 1.1.2.2 grant * derived from this software without specific prior written permission. 16 1.1.2.2 grant * 17 1.1.2.2 grant * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 1.1.2.2 grant * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 1.1.2.2 grant * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 1.1.2.2 grant * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 1.1.2.2 grant * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 1.1.2.2 grant * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 1.1.2.2 grant * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 1.1.2.2 grant * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 1.1.2.2 grant * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 1.1.2.2 grant * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 1.1.2.2 grant */ 28 1.1.2.2 grant 29 1.1.2.2 grant #include <sys/param.h> 30 1.1.2.2 grant #include <sys/systm.h> 31 1.1.2.2 grant #include <sys/device.h> 32 1.1.2.2 grant #include <sys/malloc.h> 33 1.1.2.2 grant 34 1.1.2.2 grant #include <uvm/uvm_extern.h> 35 1.1.2.2 grant 36 1.1.2.2 grant #include <machine/bus.h> 37 1.1.2.2 grant 38 1.1.2.2 grant #include <dev/ata/atareg.h> 39 1.1.2.2 grant #include <dev/ata/atavar.h> 40 1.1.2.2 grant #include <dev/ic/wdcvar.h> 41 1.1.2.2 grant 42 1.1.2.2 grant #include <dev/ofw/openfirm.h> 43 1.1.2.2 grant 44 1.1.2.2 grant #include <dev/pci/pcivar.h> 45 1.1.2.2 grant #include <dev/pci/pcireg.h> 46 1.1.2.2 grant #include <dev/pci/pcidevs.h> 47 1.1.2.2 grant 48 1.1.2.2 grant #include <macppc/dev/dbdma.h> 49 1.1.2.2 grant 50 1.1.2.2 grant #define WDC_REG_NPORTS 8 51 1.1.2.2 grant #define WDC_AUXREG_OFFSET 0x16 52 1.1.2.2 grant 53 1.1.2.2 grant #define PIO_CONFIG_REG (0x200 >> 4) /* PIO and DMA access timing */ 54 1.1.2.2 grant #define DMA_CONFIG_REG (0x210 >> 4) /* UDMA access timing */ 55 1.1.2.2 grant 56 1.1.2.2 grant struct kauai_softc { 57 1.1.2.2 grant struct wdc_softc sc_wdcdev; 58 1.1.2.2 grant struct channel_softc *wdc_chanptr; 59 1.1.2.2 grant struct channel_softc wdc_channel; 60 1.1.2.2 grant struct channel_queue wdc_queue; 61 1.1.2.2 grant dbdma_regmap_t *sc_dmareg; 62 1.1.2.2 grant dbdma_command_t *sc_dmacmd; 63 1.1.2.2 grant u_int sc_piotiming_r[2]; 64 1.1.2.2 grant u_int sc_piotiming_w[2]; 65 1.1.2.2 grant u_int sc_dmatiming_r[2]; 66 1.1.2.2 grant u_int sc_dmatiming_w[2]; 67 1.1.2.2 grant void (*sc_calc_timing)(struct kauai_softc *, int); 68 1.1.2.2 grant }; 69 1.1.2.2 grant 70 1.1.2.2 grant int kauai_match __P((struct device *, struct cfdata *, void *)); 71 1.1.2.2 grant void kauai_attach __P((struct device *, struct device *, void *)); 72 1.1.2.2 grant int kauai_dma_init __P((void *, int, int, void *, size_t, int)); 73 1.1.2.2 grant void kauai_dma_start __P((void *, int, int)); 74 1.1.2.2 grant int kauai_dma_finish __P((void *, int, int, int)); 75 1.1.2.2 grant void kauai_set_modes __P((struct channel_softc *)); 76 1.1.2.2 grant static void calc_timing_kauai __P((struct kauai_softc *, int)); 77 1.1.2.2 grant static int getnodebypci(pci_chipset_tag_t, pcitag_t); 78 1.1.2.2 grant 79 1.1.2.3 grant struct cfattach kauai_ca = { 80 1.1.2.3 grant sizeof(struct kauai_softc), kauai_match, kauai_attach, 81 1.1.2.3 grant NULL, wdcactivate 82 1.1.2.3 grant }; 83 1.1.2.2 grant 84 1.1.2.2 grant int 85 1.1.2.2 grant kauai_match(parent, match, aux) 86 1.1.2.2 grant struct device *parent; 87 1.1.2.2 grant struct cfdata *match; 88 1.1.2.2 grant void *aux; 89 1.1.2.2 grant { 90 1.1.2.2 grant struct pci_attach_args *pa = aux; 91 1.1.2.2 grant 92 1.1.2.2 grant if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && 93 1.1.2.2 grant PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_KAUAI) 94 1.1.2.2 grant return 5; 95 1.1.2.2 grant 96 1.1.2.2 grant return 0; 97 1.1.2.2 grant } 98 1.1.2.2 grant 99 1.1.2.2 grant void 100 1.1.2.2 grant kauai_attach(parent, self, aux) 101 1.1.2.2 grant struct device *parent, *self; 102 1.1.2.2 grant void *aux; 103 1.1.2.2 grant { 104 1.1.2.2 grant struct kauai_softc *sc = (void *)self; 105 1.1.2.2 grant struct pci_attach_args *pa = aux; 106 1.1.2.2 grant struct channel_softc *chp = &sc->wdc_channel; 107 1.1.2.2 grant pci_intr_handle_t ih; 108 1.1.2.2 grant paddr_t regbase, dmabase; 109 1.1.2.2 grant int node, reg[5]; 110 1.1.2.2 grant 111 1.1.2.2 grant #ifdef DIAGNOSTIC 112 1.1.2.2 grant if ((vaddr_t)sc->sc_dmacmd & 0x0f) { 113 1.1.2.2 grant printf(": bad dbdma alignment\n"); 114 1.1.2.2 grant return; 115 1.1.2.2 grant } 116 1.1.2.2 grant #endif 117 1.1.2.2 grant 118 1.1.2.2 grant node = getnodebypci(pa->pa_pc, pa->pa_tag); 119 1.1.2.2 grant if (node == 0) { 120 1.1.2.2 grant printf(": cannot find gmac node\n"); 121 1.1.2.2 grant return; 122 1.1.2.2 grant } 123 1.1.2.2 grant 124 1.1.2.2 grant if (OF_getprop(node, "assigned-addresses", reg, sizeof reg) < 12) { 125 1.1.2.2 grant printf(": cannot get address property\n"); 126 1.1.2.2 grant return; 127 1.1.2.2 grant } 128 1.1.2.2 grant regbase = reg[2] + 0x2000; 129 1.1.2.2 grant dmabase = reg[2] + 0x1000; 130 1.1.2.2 grant 131 1.1.2.2 grant /* 132 1.1.2.2 grant * XXX PCI_INTERRUPT_REG seems to be wired to 0. 133 1.1.2.2 grant * XXX So use fixed intrpin and intrline values. 134 1.1.2.2 grant */ 135 1.1.2.2 grant if (pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_INTERRUPT_REG) == 0) { 136 1.1.2.2 grant pa->pa_intrpin = 1; 137 1.1.2.2 grant pa->pa_intrline = 39; 138 1.1.2.2 grant } 139 1.1.2.2 grant 140 1.1.2.2 grant if (pci_intr_map(pa, &ih)) { 141 1.1.2.2 grant printf(": unable to map interrupt\n"); 142 1.1.2.2 grant return; 143 1.1.2.2 grant } 144 1.1.2.2 grant printf(": interrupting at %s\n", pci_intr_string(pa->pa_pc, ih)); 145 1.1.2.2 grant 146 1.1.2.2 grant chp->cmd_iot = chp->ctl_iot = macppc_make_bus_space_tag(regbase, 4); 147 1.1.2.2 grant 148 1.1.2.2 grant if (bus_space_map(chp->cmd_iot, 0, WDC_REG_NPORTS, 0, &chp->cmd_ioh) || 149 1.1.2.2 grant bus_space_subregion(chp->cmd_iot, chp->cmd_ioh, 150 1.1.2.2 grant WDC_AUXREG_OFFSET, 1, &chp->ctl_ioh)) { 151 1.1.2.2 grant printf("%s: couldn't map registers\n", self->dv_xname); 152 1.1.2.2 grant return; 153 1.1.2.2 grant } 154 1.1.2.2 grant 155 1.1.2.2 grant if (pci_intr_establish(pa->pa_pc, ih, IPL_BIO, wdcintr, chp) == NULL) { 156 1.1.2.2 grant printf("%s: unable to establish interrupt\n", self->dv_xname); 157 1.1.2.2 grant return; 158 1.1.2.2 grant } 159 1.1.2.2 grant 160 1.1.2.2 grant 161 1.1.2.2 grant sc->sc_wdcdev.PIO_cap = 4; 162 1.1.2.2 grant sc->sc_wdcdev.DMA_cap = 2; 163 1.1.2.2 grant sc->sc_wdcdev.UDMA_cap = 5; 164 1.1.2.2 grant sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_MODE; 165 1.1.2.2 grant sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; 166 1.1.2.2 grant sc->wdc_chanptr = chp; 167 1.1.2.2 grant sc->sc_wdcdev.channels = &sc->wdc_chanptr; 168 1.1.2.2 grant sc->sc_wdcdev.nchannels = 1; 169 1.1.2.2 grant sc->sc_wdcdev.dma_arg = sc; 170 1.1.2.2 grant sc->sc_wdcdev.dma_init = kauai_dma_init; 171 1.1.2.2 grant sc->sc_wdcdev.dma_start = kauai_dma_start; 172 1.1.2.2 grant sc->sc_wdcdev.dma_finish = kauai_dma_finish; 173 1.1.2.2 grant sc->sc_wdcdev.set_modes = kauai_set_modes; 174 1.1.2.2 grant sc->sc_calc_timing = calc_timing_kauai; 175 1.1.2.2 grant sc->sc_dmareg = (void *)dmabase; 176 1.1.2.2 grant 177 1.1.2.2 grant chp->channel = 0; 178 1.1.2.2 grant chp->wdc = &sc->sc_wdcdev; 179 1.1.2.2 grant chp->ch_queue = &sc->wdc_queue; 180 1.1.2.2 grant 181 1.1.2.2 grant wdcattach(chp); 182 1.1.2.2 grant 183 1.1.2.2 grant /* Modify access timings. */ 184 1.1.2.2 grant kauai_set_modes(chp); 185 1.1.2.2 grant } 186 1.1.2.2 grant 187 1.1.2.2 grant void 188 1.1.2.2 grant kauai_set_modes(chp) 189 1.1.2.2 grant struct channel_softc *chp; 190 1.1.2.2 grant { 191 1.1.2.2 grant struct kauai_softc *sc = (void *)chp->wdc; 192 1.1.2.2 grant struct ata_drive_datas *drvp0 = &chp->ch_drive[0]; 193 1.1.2.2 grant struct ata_drive_datas *drvp1 = &chp->ch_drive[1]; 194 1.1.2.2 grant struct ata_drive_datas *drvp; 195 1.1.2.2 grant int drive; 196 1.1.2.2 grant 197 1.1.2.2 grant if ((drvp0->drive_flags & DRIVE) && (drvp1->drive_flags & DRIVE)) { 198 1.1.2.2 grant drvp0->PIO_mode = drvp1->PIO_mode = 199 1.1.2.2 grant min(drvp0->PIO_mode, drvp1->PIO_mode); 200 1.1.2.2 grant } 201 1.1.2.2 grant 202 1.1.2.2 grant for (drive = 0; drive < 2; drive++) { 203 1.1.2.2 grant drvp = &chp->ch_drive[drive]; 204 1.1.2.2 grant if (drvp->drive_flags & DRIVE) { 205 1.1.2.2 grant (*sc->sc_calc_timing)(sc, drive); 206 1.1.2.2 grant bus_space_write_4(chp->cmd_iot, chp->cmd_ioh, 207 1.1.2.2 grant PIO_CONFIG_REG, sc->sc_piotiming_r[drive]); 208 1.1.2.2 grant bus_space_write_4(chp->cmd_iot, chp->cmd_ioh, 209 1.1.2.2 grant DMA_CONFIG_REG, sc->sc_dmatiming_r[drive]); 210 1.1.2.2 grant } 211 1.1.2.2 grant } 212 1.1.2.2 grant 213 1.1.2.2 grant wdc_print_modes(chp); 214 1.1.2.2 grant } 215 1.1.2.2 grant 216 1.1.2.2 grant /* 217 1.1.2.2 grant * IDE transfer timings 218 1.1.2.2 grant */ 219 1.1.2.2 grant static const u_int pio_timing_kauai[] = { /* 0xff000fff */ 220 1.1.2.2 grant 0x08000a92, /* Mode 0 */ 221 1.1.2.2 grant 0x0800060f, /* 1 */ 222 1.1.2.2 grant 0x0800038b, /* 2 */ 223 1.1.2.2 grant 0x05000249, /* 3 */ 224 1.1.2.2 grant 0x04000148 /* 4 */ 225 1.1.2.2 grant }; 226 1.1.2.2 grant static const u_int dma_timing_kauai[] = { /* 0x00fff000 */ 227 1.1.2.2 grant 0x00618000, /* Mode 0 */ 228 1.1.2.2 grant 0x00209000, /* 1 */ 229 1.1.2.2 grant 0x00148000 /* 2 */ 230 1.1.2.2 grant }; 231 1.1.2.2 grant static const u_int udma_timing_kauai[] = { /* 0x0000ffff */ 232 1.1.2.2 grant 0x000070c0, /* Mode 0 */ 233 1.1.2.2 grant 0x00005d80, /* 1 */ 234 1.1.2.2 grant 0x00004a60, /* 2 */ 235 1.1.2.2 grant 0x00003a50, /* 3 */ 236 1.1.2.2 grant 0x00002a30, /* 4 */ 237 1.1.2.2 grant 0x00002921 /* 5 */ 238 1.1.2.2 grant }; 239 1.1.2.2 grant 240 1.1.2.2 grant /* 241 1.1.2.2 grant * Timing calculation for Kauai. 242 1.1.2.2 grant */ 243 1.1.2.2 grant void 244 1.1.2.2 grant calc_timing_kauai(sc, drive) 245 1.1.2.2 grant struct kauai_softc *sc; 246 1.1.2.2 grant int drive; 247 1.1.2.2 grant { 248 1.1.2.2 grant struct channel_softc *chp = &sc->wdc_channel; 249 1.1.2.2 grant struct ata_drive_datas *drvp = &chp->ch_drive[drive]; 250 1.1.2.2 grant int piomode = drvp->PIO_mode; 251 1.1.2.2 grant int dmamode = drvp->DMA_mode; 252 1.1.2.2 grant int udmamode = drvp->UDMA_mode; 253 1.1.2.2 grant u_int pioconf, dmaconf; 254 1.1.2.2 grant 255 1.1.2.2 grant pioconf = pio_timing_kauai[piomode]; 256 1.1.2.2 grant 257 1.1.2.2 grant dmaconf = 0; 258 1.1.2.2 grant if (drvp->drive_flags & DRIVE_DMA) 259 1.1.2.2 grant dmaconf |= dma_timing_kauai[dmamode]; 260 1.1.2.2 grant if (drvp->drive_flags & DRIVE_UDMA) 261 1.1.2.2 grant dmaconf |= udma_timing_kauai[udmamode]; 262 1.1.2.2 grant 263 1.1.2.2 grant if (drvp->drive_flags & DRIVE_UDMA) 264 1.1.2.2 grant dmaconf |= 1; 265 1.1.2.2 grant 266 1.1.2.2 grant sc->sc_piotiming_r[drive] = sc->sc_piotiming_w[drive] = pioconf; 267 1.1.2.2 grant sc->sc_dmatiming_r[drive] = sc->sc_dmatiming_w[drive] = dmaconf; 268 1.1.2.2 grant } 269 1.1.2.2 grant 270 1.1.2.2 grant int 271 1.1.2.2 grant kauai_dma_init(v, channel, drive, databuf, datalen, flags) 272 1.1.2.2 grant void *v; 273 1.1.2.2 grant void *databuf; 274 1.1.2.2 grant size_t datalen; 275 1.1.2.2 grant int flags; 276 1.1.2.2 grant { 277 1.1.2.2 grant struct kauai_softc *sc = v; 278 1.1.2.2 grant dbdma_command_t *cmdp = sc->sc_dmacmd; 279 1.1.2.2 grant struct channel_softc *chp = &sc->wdc_channel; 280 1.1.2.2 grant vaddr_t va = (vaddr_t)databuf; 281 1.1.2.2 grant int read = flags & WDC_DMA_READ; 282 1.1.2.2 grant int cmd = read ? DBDMA_CMD_IN_MORE : DBDMA_CMD_OUT_MORE; 283 1.1.2.2 grant u_int offset; 284 1.1.2.2 grant 285 1.1.2.2 grant bus_space_write_4(chp->cmd_iot, chp->cmd_ioh, DMA_CONFIG_REG, 286 1.1.2.2 grant read ? sc->sc_dmatiming_r[drive] : sc->sc_dmatiming_w[drive]); 287 1.1.2.2 grant bus_space_read_4(chp->cmd_iot, chp->cmd_ioh, DMA_CONFIG_REG); 288 1.1.2.2 grant 289 1.1.2.2 grant offset = va & PGOFSET; 290 1.1.2.2 grant 291 1.1.2.2 grant /* if va is not page-aligned, setup the first page */ 292 1.1.2.2 grant if (offset != 0) { 293 1.1.2.2 grant int rest = PAGE_SIZE - offset; /* the rest of the page */ 294 1.1.2.2 grant 295 1.1.2.2 grant if (datalen > rest) { /* if continues to next page */ 296 1.1.2.2 grant DBDMA_BUILD(cmdp, cmd, 0, rest, vtophys(va), 297 1.1.2.2 grant DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, 298 1.1.2.2 grant DBDMA_BRANCH_NEVER); 299 1.1.2.2 grant datalen -= rest; 300 1.1.2.2 grant va += rest; 301 1.1.2.2 grant cmdp++; 302 1.1.2.2 grant } 303 1.1.2.2 grant } 304 1.1.2.2 grant 305 1.1.2.2 grant /* now va is page-aligned */ 306 1.1.2.2 grant while (datalen > PAGE_SIZE) { 307 1.1.2.2 grant DBDMA_BUILD(cmdp, cmd, 0, PAGE_SIZE, vtophys(va), 308 1.1.2.2 grant DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER); 309 1.1.2.2 grant datalen -= PAGE_SIZE; 310 1.1.2.2 grant va += PAGE_SIZE; 311 1.1.2.2 grant cmdp++; 312 1.1.2.2 grant } 313 1.1.2.2 grant 314 1.1.2.2 grant /* the last page (datalen <= PAGE_SIZE here) */ 315 1.1.2.2 grant cmd = read ? DBDMA_CMD_IN_LAST : DBDMA_CMD_OUT_LAST; 316 1.1.2.2 grant DBDMA_BUILD(cmdp, cmd, 0, datalen, vtophys(va), 317 1.1.2.2 grant DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER); 318 1.1.2.2 grant cmdp++; 319 1.1.2.2 grant 320 1.1.2.2 grant DBDMA_BUILD(cmdp, DBDMA_CMD_STOP, 0, 0, 0, 321 1.1.2.2 grant DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER); 322 1.1.2.2 grant 323 1.1.2.2 grant return 0; 324 1.1.2.2 grant } 325 1.1.2.2 grant 326 1.1.2.2 grant void 327 1.1.2.2 grant kauai_dma_start(v, channel, drive) 328 1.1.2.2 grant void *v; 329 1.1.2.2 grant int channel, drive; 330 1.1.2.2 grant { 331 1.1.2.2 grant struct kauai_softc *sc = v; 332 1.1.2.2 grant 333 1.1.2.2 grant dbdma_start(sc->sc_dmareg, sc->sc_dmacmd); 334 1.1.2.2 grant } 335 1.1.2.2 grant 336 1.1.2.2 grant int 337 1.1.2.2 grant kauai_dma_finish(v, channel, drive, read) 338 1.1.2.2 grant void *v; 339 1.1.2.2 grant int channel, drive; 340 1.1.2.2 grant int read; 341 1.1.2.2 grant { 342 1.1.2.2 grant struct kauai_softc *sc = v; 343 1.1.2.2 grant 344 1.1.2.2 grant dbdma_stop(sc->sc_dmareg); 345 1.1.2.2 grant return 0; 346 1.1.2.2 grant } 347 1.1.2.2 grant 348 1.1.2.2 grant /* 349 1.1.2.2 grant * Find OF-device corresponding to the PCI device. 350 1.1.2.2 grant */ 351 1.1.2.2 grant int 352 1.1.2.2 grant getnodebypci(pc, tag) 353 1.1.2.2 grant pci_chipset_tag_t pc; 354 1.1.2.2 grant pcitag_t tag; 355 1.1.2.2 grant { 356 1.1.2.2 grant int bus, dev, func; 357 1.1.2.2 grant u_int reg[5]; 358 1.1.2.2 grant int p, q; 359 1.1.2.2 grant int l, b, d, f; 360 1.1.2.2 grant 361 1.1.2.2 grant pci_decompose_tag(pc, tag, &bus, &dev, &func); 362 1.1.2.2 grant 363 1.1.2.2 grant for (q = OF_peer(0); q; q = p) { 364 1.1.2.2 grant l = OF_getprop(q, "assigned-addresses", reg, sizeof(reg)); 365 1.1.2.2 grant if (l > 4) { 366 1.1.2.2 grant b = (reg[0] >> 16) & 0xff; 367 1.1.2.2 grant d = (reg[0] >> 11) & 0x1f; 368 1.1.2.2 grant f = (reg[0] >> 8) & 0x07; 369 1.1.2.2 grant 370 1.1.2.2 grant if (b == bus && d == dev && f == func) 371 1.1.2.2 grant return q; 372 1.1.2.2 grant } 373 1.1.2.2 grant if ((p = OF_child(q))) 374 1.1.2.2 grant continue; 375 1.1.2.2 grant while (q) { 376 1.1.2.2 grant if ((p = OF_peer(q))) 377 1.1.2.2 grant break; 378 1.1.2.2 grant q = OF_parent(q); 379 1.1.2.2 grant } 380 1.1.2.2 grant } 381 1.1.2.2 grant return 0; 382 1.1.2.2 grant } 383
Indexes created Tue Oct 21 05:10:09 GMT 2025