phyp_console.c (256281) | phyp_console.c (259230) |
---|---|
1/*- 2 * Copyright (C) 2011 by Nathan Whitehorn. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 18 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 19 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 20 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 21 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 22 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include <sys/cdefs.h> | 1/*- 2 * Copyright (C) 2011 by Nathan Whitehorn. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 9 unchanged lines hidden (view full) --- 18 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 19 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 20 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 21 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 22 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include <sys/cdefs.h> |
26__FBSDID("$FreeBSD: stable/10/sys/powerpc/pseries/phyp_console.c 255895 2013-09-26 18:01:32Z nwhitehorn $"); | 26__FBSDID("$FreeBSD: stable/10/sys/powerpc/pseries/phyp_console.c 259230 2013-12-11 21:37:32Z andreast $"); |
27 28#include <sys/param.h> 29#include <sys/kdb.h> 30#include <sys/kernel.h> 31#include <sys/priv.h> 32#include <sys/systm.h> 33#include <sys/module.h> 34#include <sys/types.h> --- 246 unchanged lines hidden (view full) --- 281uart_phyp_cnterm(struct consdev *cp) 282{ 283} 284 285static int 286uart_phyp_get(struct uart_phyp_softc *sc, void *buffer, size_t bufsize) 287{ 288 int err; | 27 28#include <sys/param.h> 29#include <sys/kdb.h> 30#include <sys/kernel.h> 31#include <sys/priv.h> 32#include <sys/systm.h> 33#include <sys/module.h> 34#include <sys/types.h> --- 246 unchanged lines hidden (view full) --- 281uart_phyp_cnterm(struct consdev *cp) 282{ 283} 284 285static int 286uart_phyp_get(struct uart_phyp_softc *sc, void *buffer, size_t bufsize) 287{ 288 int err; |
289 int hdr = 0; |
|
289 290 uart_lock(&sc->sc_mtx); 291 if (sc->inbuflen == 0) { 292 err = phyp_pft_hcall(H_GET_TERM_CHAR, sc->vtermid, 293 0, 0, 0, &sc->inbuflen, &sc->phyp_inbuf.u64[0], 294 &sc->phyp_inbuf.u64[1]); 295 if (err != H_SUCCESS) { 296 uart_unlock(&sc->sc_mtx); 297 return (-1); 298 } | 290 291 uart_lock(&sc->sc_mtx); 292 if (sc->inbuflen == 0) { 293 err = phyp_pft_hcall(H_GET_TERM_CHAR, sc->vtermid, 294 0, 0, 0, &sc->inbuflen, &sc->phyp_inbuf.u64[0], 295 &sc->phyp_inbuf.u64[1]); 296 if (err != H_SUCCESS) { 297 uart_unlock(&sc->sc_mtx); 298 return (-1); 299 } |
300 hdr = 1; |
|
299 } 300 301 if (sc->inbuflen == 0) { 302 uart_unlock(&sc->sc_mtx); 303 return (0); 304 } 305 306 if (bufsize > sc->inbuflen) 307 bufsize = sc->inbuflen; | 301 } 302 303 if (sc->inbuflen == 0) { 304 uart_unlock(&sc->sc_mtx); 305 return (0); 306 } 307 308 if (bufsize > sc->inbuflen) 309 bufsize = sc->inbuflen; |
310 311 if ((sc->protocol == HVTERMPROT) && (hdr == 1)) { 312 sc->inbuflen = sc->inbuflen - 4; 313 /* The VTERM protocol has a 4 byte header, skip it here. */ 314 memmove(&sc->phyp_inbuf.str[0], &sc->phyp_inbuf.str[4], 315 sc->inbuflen); 316 } 317 |
|
308 memcpy(buffer, sc->phyp_inbuf.str, bufsize); 309 sc->inbuflen -= bufsize; 310 if (sc->inbuflen > 0) 311 memmove(&sc->phyp_inbuf.str[0], &sc->phyp_inbuf.str[bufsize], 312 sc->inbuflen); 313 314 uart_unlock(&sc->sc_mtx); 315 return (bufsize); 316} 317 318static int 319uart_phyp_put(struct uart_phyp_softc *sc, void *buffer, size_t bufsize) 320{ 321 uint16_t seqno; 322 uint64_t len = 0; | 318 memcpy(buffer, sc->phyp_inbuf.str, bufsize); 319 sc->inbuflen -= bufsize; 320 if (sc->inbuflen > 0) 321 memmove(&sc->phyp_inbuf.str[0], &sc->phyp_inbuf.str[bufsize], 322 sc->inbuflen); 323 324 uart_unlock(&sc->sc_mtx); 325 return (bufsize); 326} 327 328static int 329uart_phyp_put(struct uart_phyp_softc *sc, void *buffer, size_t bufsize) 330{ 331 uint16_t seqno; 332 uint64_t len = 0; |
333 int err; 334 |
|
323 union { | 335 union { |
324 uint64_t u64; 325 char bytes[8]; | 336 uint64_t u64[2]; 337 char bytes[16]; |
326 } cbuf; 327 328 uart_lock(&sc->sc_mtx); 329 switch (sc->protocol) { 330 case HVTERM1: | 338 } cbuf; 339 340 uart_lock(&sc->sc_mtx); 341 switch (sc->protocol) { 342 case HVTERM1: |
331 if (bufsize > 8) 332 bufsize = 8; | 343 if (bufsize > 16) 344 bufsize = 16; |
333 memcpy(&cbuf, buffer, bufsize); 334 len = bufsize; 335 break; 336 case HVTERMPROT: | 345 memcpy(&cbuf, buffer, bufsize); 346 len = bufsize; 347 break; 348 case HVTERMPROT: |
337 if (bufsize > 4) 338 bufsize = 4; | 349 if (bufsize > 12) 350 bufsize = 12; |
339 seqno = sc->outseqno++; 340 cbuf.bytes[0] = VS_DATA_PACKET_HEADER; | 351 seqno = sc->outseqno++; 352 cbuf.bytes[0] = VS_DATA_PACKET_HEADER; |
341 cbuf.bytes[1] = 4 + bufsize; /* total length */ | 353 cbuf.bytes[1] = 4 + bufsize; /* total length, max 16 bytes */ |
342 cbuf.bytes[2] = (seqno >> 8) & 0xff; 343 cbuf.bytes[3] = seqno & 0xff; 344 memcpy(&cbuf.bytes[4], buffer, bufsize); 345 len = 4 + bufsize; 346 break; 347 } | 354 cbuf.bytes[2] = (seqno >> 8) & 0xff; 355 cbuf.bytes[3] = seqno & 0xff; 356 memcpy(&cbuf.bytes[4], buffer, bufsize); 357 len = 4 + bufsize; 358 break; 359 } |
348 phyp_hcall(H_PUT_TERM_CHAR, sc->vtermid, len, cbuf.u64, 0); | 360 361 do { 362 err = phyp_hcall(H_PUT_TERM_CHAR, sc->vtermid, len, cbuf.u64[0], 363 cbuf.u64[1]); 364 DELAY(100); 365 } while (err == H_BUSY); 366 |
349 uart_unlock(&sc->sc_mtx); 350 351 return (bufsize); 352} 353 354static int 355uart_phyp_cngetc(struct consdev *cp) 356{ --- 61 unchanged lines hidden --- | 367 uart_unlock(&sc->sc_mtx); 368 369 return (bufsize); 370} 371 372static int 373uart_phyp_cngetc(struct consdev *cp) 374{ --- 61 unchanged lines hidden --- |