2 * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2017 Justin Hibbits <jhibbits@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * without modification, immediately at the beginning of the file.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/module.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
37 #include <sys/endian.h>
39 #include <sys/malloc.h>
40 #include <sys/mutex.h>
44 #include <cam/cam_ccb.h>
45 #include <cam/cam_sim.h>
46 #include <cam/cam_xpt_sim.h>
47 #include <cam/cam_debug.h>
49 #include <dev/ofw/ofw_bus_subr.h>
51 #include <machine/bus.h>
52 #include <machine/resource.h>
56 struct fsl_sata_channel;
58 enum fsl_sata_err_type;
59 struct fsl_sata_cmd_tab;
62 /* local prototypes */
63 static int fsl_sata_init(device_t dev);
64 static int fsl_sata_deinit(device_t dev);
65 static int fsl_sata_suspend(device_t dev);
66 static int fsl_sata_resume(device_t dev);
67 static void fsl_sata_pm(void *arg);
68 static void fsl_sata_intr(void *arg);
69 static void fsl_sata_intr_main(struct fsl_sata_channel *ch, uint32_t istatus);
70 static void fsl_sata_begin_transaction(struct fsl_sata_channel *ch, union ccb *ccb);
71 static void fsl_sata_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
72 static void fsl_sata_execute_transaction(struct fsl_sata_slot *slot);
73 static void fsl_sata_timeout(void *arg);
74 static void fsl_sata_end_transaction(struct fsl_sata_slot *slot, enum fsl_sata_err_type et);
75 static int fsl_sata_setup_fis(struct fsl_sata_channel *ch, struct fsl_sata_cmd_tab *ctp, union ccb *ccb, int tag);
76 static void fsl_sata_dmainit(device_t dev);
77 static void fsl_sata_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
78 static void fsl_sata_dmafini(device_t dev);
79 static void fsl_sata_slotsalloc(device_t dev);
80 static void fsl_sata_slotsfree(device_t dev);
81 static void fsl_sata_reset(struct fsl_sata_channel *ch);
82 static void fsl_sata_start(struct fsl_sata_channel *ch);
83 static void fsl_sata_stop(struct fsl_sata_channel *ch);
85 static void fsl_sata_issue_recovery(struct fsl_sata_channel *ch);
86 static void fsl_sata_process_read_log(struct fsl_sata_channel *ch, union ccb *ccb);
87 static void fsl_sata_process_request_sense(struct fsl_sata_channel *ch, union ccb *ccb);
89 static void fsl_sataaction(struct cam_sim *sim, union ccb *ccb);
90 static void fsl_satapoll(struct cam_sim *sim);
92 static MALLOC_DEFINE(M_FSL_SATA, "FSL SATA driver", "FSL SATA driver data buffers");
94 #define recovery_type spriv_field0
95 #define RECOVERY_NONE 0
96 #define RECOVERY_READ_LOG 1
97 #define RECOVERY_REQUEST_SENSE 2
98 #define recovery_slot spriv_field1
100 #define FSL_SATA_P_CQR 0x0
101 #define FSL_SATA_P_CAR 0x4
102 #define FSL_SATA_P_CCR 0x10
103 #define FSL_SATA_P_CER 0x18
104 #define FSL_SATA_P_DER 0x20
105 #define FSL_SATA_P_CHBA 0x24
106 #define FSL_SATA_P_HSTS 0x28
107 #define FSL_SATA_P_HSTS_HS_ON 0x80000000
108 #define FSL_SATA_P_HSTS_ME 0x00040000
109 #define FSL_SATA_P_HSTS_DLM 0x00001000
110 #define FSL_SATA_P_HSTS_FOT 0x00000200
111 #define FSL_SATA_P_HSTS_FOR 0x00000100
112 #define FSL_SATA_P_HSTS_FE 0x00000020
113 #define FSL_SATA_P_HSTS_PR 0x00000010
114 #define FSL_SATA_P_HSTS_SNTFU 0x00000004
115 #define FSL_SATA_P_HSTS_DE 0x00000002
116 #define FSL_SATA_P_HCTRL 0x2c
117 #define FSL_SATA_P_HCTRL_HC_ON 0x80000000
118 #define FSL_SATA_P_HCTRL_HC_FORCE_OFF 0x40000000
119 #define FSL_SATA_P_HCTRL_ENT 0x10000000
120 #define FSL_SATA_P_HCTRL_SNOOP 0x00000400
121 #define FSL_SATA_P_HCTRL_PM 0x00000200
122 #define FSL_SATA_P_HCTRL_FATAL 0x00000020
123 #define FSL_SATA_P_HCTRL_PHYRDY 0x00000010
124 #define FSL_SATA_P_HCTRL_SIG 0x00000008
125 #define FSL_SATA_P_HCTRL_SNTFY 0x00000004
126 #define FSL_SATA_P_HCTRL_DE 0x00000002
127 #define FSL_SATA_P_HCTRL_CC 0x00000001
128 #define FSL_SATA_P_HCTRL_INT_MASK 0x0000003f
129 #define FSL_SATA_P_CQPMP 0x30
130 #define FSL_SATA_P_SIG 0x34
131 #define FSL_SATA_P_ICC 0x38
132 #define FSL_SATA_P_ICC_ITC_M 0x1f000000
133 #define FSL_SATA_P_ICC_ITC_S 24
134 #define FSL_SATA_P_ICC_ITTCV_M 0x0007ffff
135 #define FSL_SATA_P_PCC 0x15c
136 #define FSL_SATA_P_PCC_SLUMBER 0x0000000c
137 #define FSL_SATA_P_PCC_PARTIAL 0x0000000a
138 #define FSL_SATA_PCC_LPB_EN 0x0000000e
140 #define FSL_SATA_MAX_SLOTS 16
141 /* FSL_SATA register defines */
143 #define FSL_SATA_P_SSTS 0x100
144 #define FSL_SATA_P_SERR 0x104
145 #define FSL_SATA_P_SCTL 0x108
146 #define FSL_SATA_P_SNTF 0x10c
148 /* Pessimistic prognosis on number of required S/G entries */
149 #define FSL_SATA_SG_ENTRIES 63
150 /* Command list. 16 commands. First, 1Kbyte aligned. */
151 #define FSL_SATA_CL_OFFSET 0
152 #define FSL_SATA_CL_SIZE 16
153 /* Command tables. Up to 32 commands, Each, 4-byte aligned. */
154 #define FSL_SATA_CT_OFFSET (FSL_SATA_CL_OFFSET + FSL_SATA_CL_SIZE * FSL_SATA_MAX_SLOTS)
155 #define FSL_SATA_CT_SIZE (96 + FSL_SATA_SG_ENTRIES * 16)
156 /* Total main work area. */
157 #define FSL_SATA_WORK_SIZE (FSL_SATA_CT_OFFSET + FSL_SATA_CT_SIZE * FSL_SATA_MAX_SLOTS)
158 #define FSL_SATA_MAX_XFER (64 * 1024 * 1024)
160 /* Some convenience macros for getting the CTP and CLP */
161 #define FSL_SATA_CTP_BUS(ch, slot) \
162 ((ch->dma.work_bus + FSL_SATA_CT_OFFSET + (FSL_SATA_CT_SIZE * slot->slot)))
163 #define FSL_SATA_PRD_OFFSET(prd) (96 + (prd) * 16)
164 #define FSL_SATA_CTP(ch, slot) \
165 ((struct fsl_sata_cmd_tab *)(ch->dma.work + FSL_SATA_CT_OFFSET + \
166 (FSL_SATA_CT_SIZE * slot->slot)))
167 #define FSL_SATA_CLP(ch, slot) \
168 ((struct fsl_sata_cmd_list *) (ch->dma.work + FSL_SATA_CL_OFFSET + \
169 (FSL_SATA_CL_SIZE * slot->slot)))
171 struct fsl_sata_dma_prd {
175 uint32_t dwc_flg; /* 0 based */
176 #define FSL_SATA_PRD_MASK 0x01fffffc /* max 32MB */
177 #define FSL_SATA_PRD_MAX (FSL_SATA_PRD_MASK + 4)
178 #define FSL_SATA_PRD_SNOOP 0x10000000
179 #define FSL_SATA_PRD_EXT 0x80000000
182 struct fsl_sata_cmd_tab {
186 uint8_t reserved[16];
187 struct fsl_sata_dma_prd prd_tab[FSL_SATA_SG_ENTRIES];
188 #define FSL_SATA_PRD_EXT_INDEX 15
189 #define FSL_SATA_PRD_MAX_DIRECT 16
192 struct fsl_sata_cmd_list {
193 uint32_t cda; /* word aligned */
194 uint16_t fis_length; /* length in bytes (aligned to words) */
195 uint16_t prd_length; /* PRD entries */
198 #define FSL_SATA_CMD_TAG_MASK 0x001f
199 #define FSL_SATA_CMD_ATAPI 0x0020
200 #define FSL_SATA_CMD_BIST 0x0040
201 #define FSL_SATA_CMD_RESET 0x0080
202 #define FSL_SATA_CMD_QUEUED 0x0100
203 #define FSL_SATA_CMD_SNOOP 0x0200
204 #define FSL_SATA_CMD_VBIST 0x0400
205 #define FSL_SATA_CMD_WRITE 0x0800
210 #define ATA_IRQ_RID 0
211 #define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY)
214 bus_dmamap_t data_map; /* data DMA map */
215 int nsegs; /* Number of segs loaded */
218 /* structure holding DMA related information */
220 bus_dma_tag_t work_tag; /* workspace DMA tag */
221 bus_dmamap_t work_map; /* workspace DMA map */
222 uint8_t *work; /* workspace */
223 bus_addr_t work_bus; /* bus address of work */
224 bus_dma_tag_t data_tag; /* data DMA tag */
227 enum fsl_sata_slot_states {
229 FSL_SATA_SLOT_LOADING,
230 FSL_SATA_SLOT_RUNNING,
231 FSL_SATA_SLOT_EXECUTING
234 struct fsl_sata_slot {
235 struct fsl_sata_channel *ch; /* Channel */
236 uint8_t slot; /* Number of this slot */
237 enum fsl_sata_slot_states state; /* Slot state */
238 union ccb *ccb; /* CCB occupying slot */
239 struct ata_dmaslot dma; /* DMA data of this slot */
240 struct callout timeout; /* Execution timeout */
244 struct fsl_sata_device {
253 /* structure describing an ATA channel */
254 struct fsl_sata_channel {
255 device_t dev; /* Device handle */
256 int r_mid; /* Physical channel RID */
257 struct resource *r_mem; /* Memory of this channel */
258 struct resource *r_irq; /* Interrupt of this channel */
259 void *ih; /* Interrupt handle */
260 struct ata_dma dma; /* DMA data */
262 struct cam_path *path;
263 uint32_t caps; /* Controller capabilities */
264 int pm_level; /* power management level */
265 int devices; /* What is present */
266 int pm_present; /* PM presence reported */
268 union ccb *hold[FSL_SATA_MAX_SLOTS];
269 struct fsl_sata_slot slot[FSL_SATA_MAX_SLOTS];
270 uint32_t oslots; /* Occupied slots */
271 uint32_t rslots; /* Running slots */
272 uint32_t aslots; /* Slots with atomic commands */
273 uint32_t eslots; /* Slots in error */
274 uint32_t toslots; /* Slots in timeout */
275 int lastslot; /* Last used slot */
276 int taggedtarget; /* Last tagged target */
277 int numrslots; /* Number of running slots */
278 int numrslotspd[16];/* Number of running slots per dev */
279 int numtslots; /* Number of tagged slots */
280 int numtslotspd[16];/* Number of tagged slots per dev */
281 int numhslots; /* Number of held slots */
282 int recoverycmd; /* Our READ LOG active */
283 int fatalerr; /* Fatal error happend */
284 int resetting; /* Hard-reset in progress. */
285 int resetpolldiv; /* Hard-reset poll divider. */
286 union ccb *frozen; /* Frozen command */
287 struct callout pm_timer; /* Power management events */
288 struct callout reset_timer; /* Hard-reset timeout */
290 struct fsl_sata_device user[16]; /* User-specified settings */
291 struct fsl_sata_device curr[16]; /* Current settings */
293 struct mtx_padalign mtx; /* state lock */
294 STAILQ_HEAD(, ccb_hdr) doneq; /* queue of completed CCBs */
295 int batch; /* doneq is in use */
298 enum fsl_sata_err_type {
299 FSL_SATA_ERR_NONE, /* No error */
300 FSL_SATA_ERR_INVALID, /* Error detected by us before submitting. */
301 FSL_SATA_ERR_INNOCENT, /* Innocent victim. */
302 FSL_SATA_ERR_TFE, /* Task File Error. */
303 FSL_SATA_ERR_SATA, /* SATA error. */
304 FSL_SATA_ERR_TIMEOUT, /* Command execution timeout. */
305 FSL_SATA_ERR_NCQ, /* NCQ command error. CCB should be put on hold
306 * until READ LOG executed to reveal error. */
309 /* macros to hide busspace uglyness */
310 #define ATA_INL(res, offset) \
311 bus_read_4((res), (offset))
312 #define ATA_OUTL(res, offset, value) \
313 bus_write_4((res), (offset), (value))
316 fsl_sata_probe(device_t dev)
319 if (!ofw_bus_is_compatible(dev, "fsl,pq-sata-v2") &&
320 !ofw_bus_is_compatible(dev, "fsl,pq-sata"))
323 device_set_desc_copy(dev, "Freescale Integrated SATA Controller");
324 return (BUS_PROBE_DEFAULT);
328 fsl_sata_attach(device_t dev)
330 struct fsl_sata_channel *ch = device_get_softc(dev);
331 struct cam_devq *devq;
332 int rid, error, i, sata_rev = 0;
335 mtx_init(&ch->mtx, "FSL SATA channel lock", NULL, MTX_DEF);
337 resource_int_value(device_get_name(dev),
338 device_get_unit(dev), "pm_level", &ch->pm_level);
339 STAILQ_INIT(&ch->doneq);
340 if (ch->pm_level > 3)
341 callout_init_mtx(&ch->pm_timer, &ch->mtx, 0);
342 resource_int_value(device_get_name(dev),
343 device_get_unit(dev), "sata_rev", &sata_rev);
344 for (i = 0; i < 16; i++) {
345 ch->user[i].revision = sata_rev;
346 ch->user[i].mode = 0;
347 ch->user[i].bytecount = 8192;
348 ch->user[i].tags = FSL_SATA_MAX_SLOTS;
349 ch->user[i].caps = 0;
350 ch->curr[i] = ch->user[i];
352 ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ |
353 CTS_SATA_CAPS_D_PMREQ;
355 ch->user[i].caps |= CTS_SATA_CAPS_H_AN;
358 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
359 &ch->r_mid, RF_ACTIVE)))
361 rman_set_bustag(ch->r_mem, &bs_le_tag);
362 fsl_sata_dmainit(dev);
363 fsl_sata_slotsalloc(dev);
366 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
367 &rid, RF_SHAREABLE | RF_ACTIVE))) {
368 device_printf(dev, "Unable to map interrupt\n");
372 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
373 fsl_sata_intr, ch, &ch->ih))) {
374 device_printf(dev, "Unable to setup interrupt\n");
379 /* Create the device queue for our SIM. */
380 devq = cam_simq_alloc(FSL_SATA_MAX_SLOTS);
382 device_printf(dev, "Unable to allocate simq\n");
386 /* Construct SIM entry */
387 ch->sim = cam_sim_alloc(fsl_sataaction, fsl_satapoll, "fslsata", ch,
388 device_get_unit(dev), (struct mtx *)&ch->mtx, 2, FSL_SATA_MAX_SLOTS,
390 if (ch->sim == NULL) {
392 device_printf(dev, "unable to allocate sim\n");
396 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
397 device_printf(dev, "unable to register xpt bus\n");
401 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
402 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
403 device_printf(dev, "unable to create path\n");
407 if (ch->pm_level > 3) {
408 callout_reset(&ch->pm_timer,
409 (ch->pm_level == 4) ? hz / 1000 : hz / 8,
412 mtx_unlock(&ch->mtx);
416 xpt_bus_deregister(cam_sim_path(ch->sim));
418 cam_sim_free(ch->sim, /*free_devq*/TRUE);
420 mtx_unlock(&ch->mtx);
421 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
423 bus_release_resource(dev, SYS_RES_MEMORY, ch->r_mid, ch->r_mem);
424 mtx_destroy(&ch->mtx);
429 fsl_sata_detach(device_t dev)
431 struct fsl_sata_channel *ch = device_get_softc(dev);
434 xpt_async(AC_LOST_DEVICE, ch->path, NULL);
436 xpt_free_path(ch->path);
437 xpt_bus_deregister(cam_sim_path(ch->sim));
438 cam_sim_free(ch->sim, /*free_devq*/TRUE);
439 mtx_unlock(&ch->mtx);
441 if (ch->pm_level > 3)
442 callout_drain(&ch->pm_timer);
443 bus_teardown_intr(dev, ch->r_irq, ch->ih);
444 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
446 fsl_sata_deinit(dev);
447 fsl_sata_slotsfree(dev);
448 fsl_sata_dmafini(dev);
450 bus_release_resource(dev, SYS_RES_MEMORY, ch->r_mid, ch->r_mem);
451 mtx_destroy(&ch->mtx);
456 fsl_sata_wait_register(struct fsl_sata_channel *ch, bus_size_t off,
457 unsigned int mask, unsigned int val, int t)
462 while (((rval = ATA_INL(ch->r_mem, off)) & mask) != val) {
473 fsl_sata_init(device_t dev)
475 struct fsl_sata_channel *ch = device_get_softc(dev);
479 /* Disable port interrupts */
480 r = ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL);
481 r &= ~FSL_SATA_P_HCTRL_HC_ON;
482 r |= FSL_SATA_P_HCTRL_HC_FORCE_OFF;
483 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL, r & ~FSL_SATA_P_HCTRL_INT_MASK);
484 fsl_sata_wait_register(ch, FSL_SATA_P_HSTS,
485 FSL_SATA_P_HSTS_HS_ON, 0, 1000);
486 /* Setup work areas */
487 work = ch->dma.work_bus + FSL_SATA_CL_OFFSET;
488 ATA_OUTL(ch->r_mem, FSL_SATA_P_CHBA, work);
489 r &= ~FSL_SATA_P_HCTRL_ENT;
490 r &= ~FSL_SATA_P_HCTRL_PM;
491 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL, r);
492 r = ATA_INL(ch->r_mem, FSL_SATA_P_PCC);
493 ATA_OUTL(ch->r_mem, FSL_SATA_P_PCC, r & ~FSL_SATA_PCC_LPB_EN);
494 ATA_OUTL(ch->r_mem, FSL_SATA_P_ICC, (1 << FSL_SATA_P_ICC_ITC_S));
500 fsl_sata_deinit(device_t dev)
502 struct fsl_sata_channel *ch = device_get_softc(dev);
505 /* Disable port interrupts. */
506 r = ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL);
507 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL, r & ~FSL_SATA_P_HCTRL_INT_MASK);
508 /* Reset command register. */
510 /* Allow everything, including partial and slumber modes. */
511 ATA_OUTL(ch->r_mem, FSL_SATA_P_SCTL, 0);
514 ATA_OUTL(ch->r_mem, FSL_SATA_P_SCTL, ATA_SC_DET_DISABLE);
515 r = ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL);
516 /* Turn off the controller. */
517 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL, r & ~FSL_SATA_P_HCTRL_HC_ON);
522 fsl_sata_suspend(device_t dev)
524 struct fsl_sata_channel *ch = device_get_softc(dev);
527 xpt_freeze_simq(ch->sim, 1);
529 msleep(ch, &ch->mtx, PRIBIO, "fsl_satasusp", hz/100);
530 fsl_sata_deinit(dev);
531 mtx_unlock(&ch->mtx);
536 fsl_sata_resume(device_t dev)
538 struct fsl_sata_channel *ch = device_get_softc(dev);
543 xpt_release_simq(ch->sim, TRUE);
544 mtx_unlock(&ch->mtx);
548 devclass_t fsl_satach_devclass;
549 static device_method_t fsl_satach_methods[] = {
550 DEVMETHOD(device_probe, fsl_sata_probe),
551 DEVMETHOD(device_attach, fsl_sata_attach),
552 DEVMETHOD(device_detach, fsl_sata_detach),
553 DEVMETHOD(device_suspend, fsl_sata_suspend),
554 DEVMETHOD(device_resume, fsl_sata_resume),
557 static driver_t fsl_satach_driver = {
560 sizeof(struct fsl_sata_channel)
562 DRIVER_MODULE(fsl_satach, simplebus, fsl_satach_driver, fsl_satach_devclass, NULL, NULL);
564 struct fsl_sata_dc_cb_args {
570 fsl_sata_dmainit(device_t dev)
572 struct fsl_sata_channel *ch = device_get_softc(dev);
573 struct fsl_sata_dc_cb_args dcba;
576 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
577 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
578 NULL, NULL, FSL_SATA_WORK_SIZE, 1, FSL_SATA_WORK_SIZE,
579 0, NULL, NULL, &ch->dma.work_tag))
581 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work,
582 BUS_DMA_ZERO, &ch->dma.work_map))
584 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work,
585 FSL_SATA_WORK_SIZE, fsl_sata_dmasetupc_cb, &dcba, 0) || dcba.error) {
586 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
589 ch->dma.work_bus = dcba.maddr;
591 if (bus_dma_tag_create(bus_get_dma_tag(dev), 4, 0,
592 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
593 NULL, NULL, FSL_SATA_MAX_XFER,
594 FSL_SATA_SG_ENTRIES - 1, FSL_SATA_PRD_MAX,
595 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
599 device_printf(dev, "work area: %p\n", ch->dma.work);
603 device_printf(dev, "WARNING - DMA initialization failed\n");
604 fsl_sata_dmafini(dev);
608 fsl_sata_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
610 struct fsl_sata_dc_cb_args *dcba = (struct fsl_sata_dc_cb_args *)xsc;
612 if (!(dcba->error = error))
613 dcba->maddr = segs[0].ds_addr;
617 fsl_sata_dmafini(device_t dev)
619 struct fsl_sata_channel *ch = device_get_softc(dev);
621 if (ch->dma.data_tag) {
622 bus_dma_tag_destroy(ch->dma.data_tag);
623 ch->dma.data_tag = NULL;
625 if (ch->dma.work_bus) {
626 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
627 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
628 ch->dma.work_bus = 0;
631 if (ch->dma.work_tag) {
632 bus_dma_tag_destroy(ch->dma.work_tag);
633 ch->dma.work_tag = NULL;
638 fsl_sata_slotsalloc(device_t dev)
640 struct fsl_sata_channel *ch = device_get_softc(dev);
643 /* Alloc and setup command/dma slots */
644 bzero(ch->slot, sizeof(ch->slot));
645 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
646 struct fsl_sata_slot *slot = &ch->slot[i];
650 slot->state = FSL_SATA_SLOT_EMPTY;
652 callout_init_mtx(&slot->timeout, &ch->mtx, 0);
654 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map))
655 device_printf(ch->dev, "FAILURE - create data_map\n");
660 fsl_sata_slotsfree(device_t dev)
662 struct fsl_sata_channel *ch = device_get_softc(dev);
665 /* Free all dma slots */
666 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
667 struct fsl_sata_slot *slot = &ch->slot[i];
669 callout_drain(&slot->timeout);
670 if (slot->dma.data_map) {
671 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map);
672 slot->dma.data_map = NULL;
678 fsl_sata_phy_check_events(struct fsl_sata_channel *ch, u_int32_t serr)
681 if (((ch->pm_level == 0) && (serr & ATA_SE_PHY_CHANGED)) ||
682 ((ch->pm_level != 0) && (serr & ATA_SE_EXCHANGED))) {
683 u_int32_t status = ATA_INL(ch->r_mem, FSL_SATA_P_SSTS);
687 if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE)
688 device_printf(ch->dev, "CONNECT requested\n");
690 device_printf(ch->dev, "DISCONNECT requested\n");
692 /* Issue soft reset */
693 xpt_async(AC_BUS_RESET, ch->path, NULL);
694 if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
696 if (xpt_create_path(&ccb->ccb_h.path, NULL,
697 cam_sim_path(ch->sim),
698 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
709 fsl_sata_notify_events(struct fsl_sata_channel *ch, u_int32_t status)
711 struct cam_path *dpath;
714 ATA_OUTL(ch->r_mem, FSL_SATA_P_SNTF, status);
716 device_printf(ch->dev, "SNTF 0x%04x\n", status);
717 for (i = 0; i < 16; i++) {
718 if ((status & (1 << i)) == 0)
720 if (xpt_create_path(&dpath, NULL,
721 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) {
722 xpt_async(AC_SCSI_AEN, dpath, NULL);
723 xpt_free_path(dpath);
729 fsl_sata_done(struct fsl_sata_channel *ch, union ccb *ccb)
732 mtx_assert(&ch->mtx, MA_OWNED);
733 if ((ccb->ccb_h.func_code & XPT_FC_QUEUED) == 0 ||
739 STAILQ_INSERT_TAIL(&ch->doneq, &ccb->ccb_h, sim_links.stqe);
743 fsl_sata_intr(void *arg)
745 struct fsl_sata_channel *ch = (struct fsl_sata_channel *)arg;
746 struct ccb_hdr *ccb_h;
748 STAILQ_HEAD(, ccb_hdr) tmp_doneq = STAILQ_HEAD_INITIALIZER(tmp_doneq);
750 /* Read interrupt statuses. */
751 istatus = ATA_INL(ch->r_mem, FSL_SATA_P_HSTS) & 0x7ffff;
752 if ((istatus & 0x3f) == 0)
757 fsl_sata_intr_main(ch, istatus);
760 * Prevent the possibility of issues caused by processing the queue
761 * while unlocked below by moving the contents to a local queue.
763 STAILQ_CONCAT(&tmp_doneq, &ch->doneq);
764 mtx_unlock(&ch->mtx);
765 while ((ccb_h = STAILQ_FIRST(&tmp_doneq)) != NULL) {
766 STAILQ_REMOVE_HEAD(&tmp_doneq, sim_links.stqe);
767 xpt_done_direct((union ccb *)ccb_h);
769 /* Clear interrupt statuses. */
770 ATA_OUTL(ch->r_mem, FSL_SATA_P_HSTS, istatus & 0x3f);
775 fsl_sata_pm(void *arg)
777 struct fsl_sata_channel *ch = (struct fsl_sata_channel *)arg;
780 if (ch->numrslots != 0)
782 work = ATA_INL(ch->r_mem, FSL_SATA_P_PCC) & ~FSL_SATA_PCC_LPB_EN;
783 if (ch->pm_level == 4)
784 work |= FSL_SATA_P_PCC_PARTIAL;
786 work |= FSL_SATA_P_PCC_SLUMBER;
787 ATA_OUTL(ch->r_mem, FSL_SATA_P_PCC, work);
790 /* XXX: interrupt todo */
792 fsl_sata_intr_main(struct fsl_sata_channel *ch, uint32_t istatus)
794 uint32_t cer, der, serr = 0, sntf = 0, ok, err;
795 enum fsl_sata_err_type et;
798 /* Complete all successful commands. */
799 ok = ATA_INL(ch->r_mem, FSL_SATA_P_CCR);
800 /* Mark all commands complete, to complete the interrupt. */
801 ATA_OUTL(ch->r_mem, FSL_SATA_P_CCR, ok);
802 if (ch->aslots == 0 && ok != 0) {
803 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
804 if (((ok >> i) & 1) && ch->slot[i].ccb != NULL)
805 fsl_sata_end_transaction(&ch->slot[i],
809 /* Read command statuses. */
810 if (istatus & FSL_SATA_P_HSTS_SNTFU)
811 sntf = ATA_INL(ch->r_mem, FSL_SATA_P_SNTF);
812 /* XXX: Process PHY events */
813 serr = ATA_INL(ch->r_mem, FSL_SATA_P_SERR);
814 ATA_OUTL(ch->r_mem, FSL_SATA_P_SERR, serr);
815 if (istatus & (FSL_SATA_P_HSTS_PR)) {
817 fsl_sata_phy_check_events(ch, serr);
820 /* Process command errors */
821 err = (istatus & (FSL_SATA_P_HSTS_FE | FSL_SATA_P_HSTS_DE));
822 cer = ATA_INL(ch->r_mem, FSL_SATA_P_CER);
823 ATA_OUTL(ch->r_mem, FSL_SATA_P_CER, cer);
824 der = ATA_INL(ch->r_mem, FSL_SATA_P_DER);
825 ATA_OUTL(ch->r_mem, FSL_SATA_P_DER, der);
826 /* On error, complete the rest of commands with error statuses. */
829 union ccb *fccb = ch->frozen;
831 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
832 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
833 xpt_freeze_devq(fccb->ccb_h.path, 1);
834 fccb->ccb_h.status |= CAM_DEV_QFRZN;
836 fsl_sata_done(ch, fccb);
838 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
839 if (ch->slot[i].ccb == NULL)
841 if ((cer & (1 << i)) != 0)
842 et = FSL_SATA_ERR_TFE;
843 else if ((der & (1 << ch->slot[i].ccb->ccb_h.target_id)) != 0)
844 et = FSL_SATA_ERR_SATA;
846 et = FSL_SATA_ERR_INVALID;
847 fsl_sata_end_transaction(&ch->slot[i], et);
850 /* Process NOTIFY events */
852 fsl_sata_notify_events(ch, sntf);
855 /* Must be called with channel locked. */
857 fsl_sata_check_collision(struct fsl_sata_channel *ch, union ccb *ccb)
859 int t = ccb->ccb_h.target_id;
861 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
862 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
863 /* Tagged command while we have no supported tag free. */
864 if (((~ch->oslots) & (0xffff >> (16 - ch->curr[t].tags))) == 0)
866 /* Tagged command while untagged are active. */
867 if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] == 0)
870 /* Untagged command while tagged are active. */
871 if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] != 0)
874 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
875 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) {
876 /* Atomic command while anything active. */
877 if (ch->numrslots != 0)
880 /* We have some atomic command running. */
886 /* Must be called with channel locked. */
888 fsl_sata_begin_transaction(struct fsl_sata_channel *ch, union ccb *ccb)
890 struct fsl_sata_slot *slot;
893 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
894 ("fsl_sata_begin_transaction func_code=0x%x\n", ccb->ccb_h.func_code));
895 /* Choose empty slot. */
896 tags = FSL_SATA_MAX_SLOTS;
897 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
898 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA))
899 tags = ch->curr[ccb->ccb_h.target_id].tags;
900 if (ch->lastslot + 1 < tags)
901 tag = ffs(~(ch->oslots >> (ch->lastslot + 1)));
904 if (tag == 0 || tag + ch->lastslot >= tags)
905 tag = ffs(~ch->oslots) - 1;
909 /* Occupy chosen slot. */
910 slot = &ch->slot[tag];
914 if (ch->numrslots == 0 && ch->pm_level > 3)
915 callout_stop(&ch->pm_timer);
916 /* Update channel stats. */
917 ch->oslots |= (1 << tag);
919 ch->numrslotspd[ccb->ccb_h.target_id]++;
920 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
921 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
923 ch->numtslotspd[ccb->ccb_h.target_id]++;
924 ch->taggedtarget = ccb->ccb_h.target_id;
926 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
927 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT)))
928 ch->aslots |= (1 << tag);
929 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
930 slot->state = FSL_SATA_SLOT_LOADING;
931 bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map, ccb,
932 fsl_sata_dmasetprd, slot, 0);
935 fsl_sata_execute_transaction(slot);
938 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
939 ("fsl_sata_begin_transaction exit\n"));
942 /* Locked by busdma engine. */
944 fsl_sata_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
946 struct fsl_sata_slot *slot = arg;
947 struct fsl_sata_channel *ch = slot->ch;
948 struct fsl_sata_cmd_tab *ctp;
949 struct fsl_sata_dma_prd *prd;
950 int i, j, len, extlen;
953 device_printf(ch->dev, "DMA load error %d\n", error);
954 fsl_sata_end_transaction(slot, FSL_SATA_ERR_INVALID);
957 KASSERT(nsegs <= FSL_SATA_SG_ENTRIES - 1,
958 ("too many DMA segment entries\n"));
959 /* Get a piece of the workspace for this request */
960 ctp = FSL_SATA_CTP(ch, slot);
962 prd = &ctp->prd_tab[0];
963 for (i = 0, j = 0; i < nsegs; i++, j++) {
964 if (j == FSL_SATA_PRD_EXT_INDEX &&
965 FSL_SATA_PRD_MAX_DIRECT < nsegs) {
966 prd[j].dba = htole32(FSL_SATA_CTP_BUS(ch, slot) +
967 FSL_SATA_PRD_OFFSET(j+1));
971 len = segs[i].ds_len;
972 len = roundup2(len, sizeof(uint32_t));
973 prd[j].dba = htole32((uint32_t)segs[i].ds_addr);
974 prd[j].dwc_flg = htole32(FSL_SATA_PRD_SNOOP | len);
976 if (j > FSL_SATA_PRD_MAX_DIRECT)
980 if (j > FSL_SATA_PRD_MAX_DIRECT)
981 prd[FSL_SATA_PRD_EXT_INDEX].dwc_flg =
982 htole32(FSL_SATA_PRD_SNOOP | FSL_SATA_PRD_EXT | extlen);
983 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
984 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ?
985 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE));
986 fsl_sata_execute_transaction(slot);
989 /* Must be called with channel locked. */
991 fsl_sata_execute_transaction(struct fsl_sata_slot *slot)
993 struct fsl_sata_channel *ch = slot->ch;
994 struct fsl_sata_cmd_tab *ctp;
995 struct fsl_sata_cmd_list *clp;
996 union ccb *ccb = slot->ccb;
997 int port = ccb->ccb_h.target_id & 0x0f;
998 int fis_size, i, softreset;
1000 uint32_t cmd_flags = FSL_SATA_CMD_WRITE | FSL_SATA_CMD_SNOOP;
1003 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
1004 ("fsl_sata_execute_transaction func_code=0x%x\n", ccb->ccb_h.func_code));
1005 /* Get a piece of the workspace for this request */
1006 ctp = FSL_SATA_CTP(ch, slot);
1007 /* Setup the FIS for this request */
1008 if (!(fis_size = fsl_sata_setup_fis(ch, ctp, ccb, slot->slot))) {
1009 device_printf(ch->dev, "Setting up SATA FIS failed\n");
1010 fsl_sata_end_transaction(slot, FSL_SATA_ERR_INVALID);
1013 /* Setup the command list entry */
1014 clp = FSL_SATA_CLP(ch, slot);
1015 clp->fis_length = htole16(fis_size);
1016 clp->prd_length = htole16(slot->dma.nsegs);
1017 /* Special handling for Soft Reset command. */
1018 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1019 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) {
1020 if (ccb->ataio.cmd.control & ATA_A_RESET) {
1022 cmd_flags |= FSL_SATA_CMD_RESET;
1024 /* Prepare FIS receive area for check. */
1025 for (i = 0; i < 32; i++)
1026 ctp->sfis[i] = 0xff;
1030 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)
1031 cmd_flags |= FSL_SATA_CMD_QUEUED;
1032 clp->cmd_flags = htole32(cmd_flags |
1033 (ccb->ccb_h.func_code == XPT_SCSI_IO ? FSL_SATA_CMD_ATAPI : 0) |
1035 clp->ttl = htole32(slot->ttl);
1036 clp->cda = htole32(FSL_SATA_CTP_BUS(ch, slot));
1037 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1038 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
1039 /* Issue command to the controller. */
1040 slot->state = FSL_SATA_SLOT_RUNNING;
1041 ch->rslots |= (1 << slot->slot);
1042 ATA_OUTL(ch->r_mem, FSL_SATA_P_CQPMP, port);
1043 ATA_OUTL(ch->r_mem, FSL_SATA_P_CQR, (1 << slot->slot));
1044 /* Device reset commands don't interrupt. Poll them. */
1045 if (ccb->ccb_h.func_code == XPT_ATA_IO &&
1046 (ccb->ataio.cmd.command == ATA_DEVICE_RESET || softreset)) {
1047 int count, timeout = ccb->ccb_h.timeout * 100;
1048 enum fsl_sata_err_type et = FSL_SATA_ERR_NONE;
1050 for (count = 0; count < timeout; count++) {
1053 if (softreset == 2) {
1054 tmp = ATA_INL(ch->r_mem, FSL_SATA_P_SIG);
1055 if (tmp != 0 && tmp != 0xffffffff)
1059 if ((ATA_INL(ch->r_mem, FSL_SATA_P_CCR) & (1 << slot->slot)) != 0)
1063 if (timeout && (count >= timeout)) {
1064 device_printf(ch->dev, "Poll timeout on slot %d port %d (round %d)\n",
1065 slot->slot, port, softreset);
1066 device_printf(ch->dev, "hsts %08x cqr %08x ccr %08x ss %08x "
1067 "rs %08x cer %08x der %08x serr %08x car %08x sig %08x\n",
1068 ATA_INL(ch->r_mem, FSL_SATA_P_HSTS),
1069 ATA_INL(ch->r_mem, FSL_SATA_P_CQR),
1070 ATA_INL(ch->r_mem, FSL_SATA_P_CCR),
1071 ATA_INL(ch->r_mem, FSL_SATA_P_SSTS), ch->rslots,
1072 ATA_INL(ch->r_mem, FSL_SATA_P_CER),
1073 ATA_INL(ch->r_mem, FSL_SATA_P_DER),
1074 ATA_INL(ch->r_mem, FSL_SATA_P_SERR),
1075 ATA_INL(ch->r_mem, FSL_SATA_P_CAR),
1076 ATA_INL(ch->r_mem, FSL_SATA_P_SIG));
1077 et = FSL_SATA_ERR_TIMEOUT;
1080 fsl_sata_end_transaction(slot, et);
1083 /* Start command execution timeout */
1084 callout_reset_sbt(&slot->timeout, SBT_1MS * ccb->ccb_h.timeout / 2,
1085 0, fsl_sata_timeout, slot, 0);
1089 /* Must be called with channel locked. */
1091 fsl_sata_process_timeout(struct fsl_sata_channel *ch)
1095 mtx_assert(&ch->mtx, MA_OWNED);
1096 /* Handle the rest of commands. */
1097 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1098 /* Do we have a running request on slot? */
1099 if (ch->slot[i].state < FSL_SATA_SLOT_RUNNING)
1101 fsl_sata_end_transaction(&ch->slot[i], FSL_SATA_ERR_TIMEOUT);
1105 /* Must be called with channel locked. */
1107 fsl_sata_rearm_timeout(struct fsl_sata_channel *ch)
1111 mtx_assert(&ch->mtx, MA_OWNED);
1112 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1113 struct fsl_sata_slot *slot = &ch->slot[i];
1115 /* Do we have a running request on slot? */
1116 if (slot->state < FSL_SATA_SLOT_RUNNING)
1118 if ((ch->toslots & (1 << i)) == 0)
1120 callout_reset_sbt(&slot->timeout,
1121 SBT_1MS * slot->ccb->ccb_h.timeout / 2, 0,
1122 fsl_sata_timeout, slot, 0);
1126 /* Locked by callout mechanism. */
1128 fsl_sata_timeout(void *arg)
1130 struct fsl_sata_slot *slot = arg;
1131 struct fsl_sata_channel *ch = slot->ch;
1132 device_t dev = ch->dev;
1135 /* Check for stale timeout. */
1136 if (slot->state < FSL_SATA_SLOT_RUNNING)
1139 /* Check if slot was not being executed last time we checked. */
1140 if (slot->state < FSL_SATA_SLOT_EXECUTING) {
1141 /* Check if slot started executing. */
1142 sstatus = ATA_INL(ch->r_mem, FSL_SATA_P_CAR);
1143 if ((sstatus & (1 << slot->slot)) != 0)
1144 slot->state = FSL_SATA_SLOT_EXECUTING;
1146 callout_reset_sbt(&slot->timeout,
1147 SBT_1MS * slot->ccb->ccb_h.timeout / 2, 0,
1148 fsl_sata_timeout, slot, 0);
1152 device_printf(dev, "Timeout on slot %d port %d\n",
1153 slot->slot, slot->ccb->ccb_h.target_id & 0x0f);
1155 /* Handle frozen command. */
1157 union ccb *fccb = ch->frozen;
1159 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
1160 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
1161 xpt_freeze_devq(fccb->ccb_h.path, 1);
1162 fccb->ccb_h.status |= CAM_DEV_QFRZN;
1164 fsl_sata_done(ch, fccb);
1166 if (ch->toslots == 0)
1167 xpt_freeze_simq(ch->sim, 1);
1168 ch->toslots |= (1 << slot->slot);
1169 if ((ch->rslots & ~ch->toslots) == 0)
1170 fsl_sata_process_timeout(ch);
1172 device_printf(dev, " ... waiting for slots %08x\n",
1173 ch->rslots & ~ch->toslots);
1176 /* Must be called with channel locked. */
1178 fsl_sata_end_transaction(struct fsl_sata_slot *slot, enum fsl_sata_err_type et)
1180 struct fsl_sata_channel *ch = slot->ch;
1181 union ccb *ccb = slot->ccb;
1182 struct fsl_sata_cmd_list *clp;
1186 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
1187 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1188 clp = FSL_SATA_CLP(ch, slot);
1189 /* Read result registers to the result struct */
1190 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1191 struct ata_res *res = &ccb->ataio.res;
1193 if ((et == FSL_SATA_ERR_TFE) ||
1194 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
1195 struct fsl_sata_cmd_tab *ctp = FSL_SATA_CTP(ch, slot);
1196 uint8_t *fis = ctp->sfis;
1198 res->status = fis[2];
1199 res->error = fis[3];
1200 res->lba_low = fis[4];
1201 res->lba_mid = fis[5];
1202 res->lba_high = fis[6];
1203 res->device = fis[7];
1204 res->lba_low_exp = fis[8];
1205 res->lba_mid_exp = fis[9];
1206 res->lba_high_exp = fis[10];
1207 res->sector_count = fis[12];
1208 res->sector_count_exp = fis[13];
1210 if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
1211 (ccb->ataio.cmd.control & ATA_A_RESET) == 0) {
1212 sig = ATA_INL(ch->r_mem, FSL_SATA_P_SIG);
1213 res->lba_high = sig >> 24;
1214 res->lba_mid = sig >> 16;
1215 res->lba_low = sig >> 8;
1216 res->sector_count = sig;
1219 bzero(res, sizeof(*res));
1220 if ((ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) == 0 &&
1221 (ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1223 ccb->ataio.dxfer_len - le32toh(clp->ttl);
1226 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1228 ccb->csio.dxfer_len - le32toh(clp->ttl);
1231 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
1232 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
1233 (ccb->ccb_h.flags & CAM_DIR_IN) ?
1234 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1235 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map);
1237 if (et != FSL_SATA_ERR_NONE)
1238 ch->eslots |= (1 << slot->slot);
1239 /* In case of error, freeze device for proper recovery. */
1240 if ((et != FSL_SATA_ERR_NONE) && (!ch->recoverycmd) &&
1241 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
1242 xpt_freeze_devq(ccb->ccb_h.path, 1);
1243 ccb->ccb_h.status |= CAM_DEV_QFRZN;
1245 /* Set proper result status. */
1246 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1248 case FSL_SATA_ERR_NONE:
1249 ccb->ccb_h.status |= CAM_REQ_CMP;
1250 if (ccb->ccb_h.func_code == XPT_SCSI_IO)
1251 ccb->csio.scsi_status = SCSI_STATUS_OK;
1253 case FSL_SATA_ERR_INVALID:
1255 ccb->ccb_h.status |= CAM_REQ_INVALID;
1257 case FSL_SATA_ERR_INNOCENT:
1258 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1260 case FSL_SATA_ERR_TFE:
1261 case FSL_SATA_ERR_NCQ:
1262 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1263 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
1264 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
1266 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
1269 case FSL_SATA_ERR_SATA:
1271 if (!ch->recoverycmd) {
1272 xpt_freeze_simq(ch->sim, 1);
1273 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1274 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1276 ccb->ccb_h.status |= CAM_UNCOR_PARITY;
1278 case FSL_SATA_ERR_TIMEOUT:
1279 if (!ch->recoverycmd) {
1280 xpt_freeze_simq(ch->sim, 1);
1281 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1282 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1284 ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
1288 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
1291 ch->oslots &= ~(1 << slot->slot);
1292 ch->rslots &= ~(1 << slot->slot);
1293 ch->aslots &= ~(1 << slot->slot);
1294 slot->state = FSL_SATA_SLOT_EMPTY;
1296 /* Update channel stats. */
1298 ch->numrslotspd[ccb->ccb_h.target_id]--;
1299 ATA_OUTL(ch->r_mem, FSL_SATA_P_CCR, 1 << slot->slot);
1300 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1301 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
1303 ch->numtslotspd[ccb->ccb_h.target_id]--;
1305 /* Cancel timeout state if request completed normally. */
1306 if (et != FSL_SATA_ERR_TIMEOUT) {
1307 lastto = (ch->toslots == (1 << slot->slot));
1308 ch->toslots &= ~(1 << slot->slot);
1310 xpt_release_simq(ch->sim, TRUE);
1312 /* If it was first request of reset sequence and there is no error,
1313 * proceed to second request. */
1314 if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
1315 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
1316 (ccb->ataio.cmd.control & ATA_A_RESET) &&
1317 et == FSL_SATA_ERR_NONE) {
1318 ccb->ataio.cmd.control &= ~ATA_A_RESET;
1319 fsl_sata_begin_transaction(ch, ccb);
1322 /* If it was our READ LOG command - process it. */
1323 if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) {
1324 fsl_sata_process_read_log(ch, ccb);
1325 /* If it was our REQUEST SENSE command - process it. */
1326 } else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) {
1327 fsl_sata_process_request_sense(ch, ccb);
1328 /* If it was NCQ or ATAPI command error, put result on hold. */
1329 } else if (et == FSL_SATA_ERR_NCQ ||
1330 ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR &&
1331 (ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) {
1332 ch->hold[slot->slot] = ccb;
1335 fsl_sata_done(ch, ccb);
1336 /* If we have no other active commands, ... */
1337 if (ch->rslots == 0) {
1338 /* if there was fatal error - reset port. */
1339 if (ch->toslots != 0 || ch->fatalerr) {
1342 /* if we have slots in error, we can reinit port. */
1343 if (ch->eslots != 0) {
1347 /* if there commands on hold, we can do READ LOG. */
1348 if (!ch->recoverycmd && ch->numhslots)
1349 fsl_sata_issue_recovery(ch);
1351 /* If all the rest of commands are in timeout - give them chance. */
1352 } else if ((ch->rslots & ~ch->toslots) == 0 &&
1353 et != FSL_SATA_ERR_TIMEOUT)
1354 fsl_sata_rearm_timeout(ch);
1355 /* Unfreeze frozen command. */
1356 if (ch->frozen && !fsl_sata_check_collision(ch, ch->frozen)) {
1357 union ccb *fccb = ch->frozen;
1359 fsl_sata_begin_transaction(ch, fccb);
1360 xpt_release_simq(ch->sim, TRUE);
1362 /* Start PM timer. */
1363 if (ch->numrslots == 0 && ch->pm_level > 3 &&
1364 (ch->curr[ch->pm_present ? 15 : 0].caps & CTS_SATA_CAPS_D_PMREQ)) {
1365 callout_schedule(&ch->pm_timer,
1366 (ch->pm_level == 4) ? hz / 1000 : hz / 8);
1371 fsl_sata_issue_recovery(struct fsl_sata_channel *ch)
1374 struct ccb_ataio *ataio;
1375 struct ccb_scsiio *csio;
1378 /* Find some held command. */
1379 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1383 ccb = xpt_alloc_ccb_nowait();
1385 device_printf(ch->dev, "Unable to allocate recovery command\n");
1387 /* We can't do anything -- complete held commands. */
1388 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1389 if (ch->hold[i] == NULL)
1391 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
1392 ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL;
1393 fsl_sata_done(ch, ch->hold[i]);
1400 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
1401 if (ccb->ccb_h.func_code == XPT_ATA_IO) {
1403 ccb->ccb_h.recovery_type = RECOVERY_READ_LOG;
1404 ccb->ccb_h.func_code = XPT_ATA_IO;
1405 ccb->ccb_h.flags = CAM_DIR_IN;
1406 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
1407 ataio = &ccb->ataio;
1408 ataio->data_ptr = malloc(512, M_FSL_SATA, M_NOWAIT);
1409 if (ataio->data_ptr == NULL) {
1411 device_printf(ch->dev,
1412 "Unable to allocate memory for READ LOG command\n");
1415 ataio->dxfer_len = 512;
1416 bzero(&ataio->cmd, sizeof(ataio->cmd));
1417 ataio->cmd.flags = CAM_ATAIO_48BIT;
1418 ataio->cmd.command = 0x2F; /* READ LOG EXT */
1419 ataio->cmd.sector_count = 1;
1420 ataio->cmd.sector_count_exp = 0;
1421 ataio->cmd.lba_low = 0x10;
1422 ataio->cmd.lba_mid = 0;
1423 ataio->cmd.lba_mid_exp = 0;
1426 ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE;
1427 ccb->ccb_h.recovery_slot = i;
1428 ccb->ccb_h.func_code = XPT_SCSI_IO;
1429 ccb->ccb_h.flags = CAM_DIR_IN;
1430 ccb->ccb_h.status = 0;
1431 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
1433 csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data;
1434 csio->dxfer_len = ch->hold[i]->csio.sense_len;
1436 bzero(&csio->cdb_io, sizeof(csio->cdb_io));
1437 csio->cdb_io.cdb_bytes[0] = 0x03;
1438 csio->cdb_io.cdb_bytes[4] = csio->dxfer_len;
1440 /* Freeze SIM while doing recovery. */
1441 ch->recoverycmd = 1;
1442 xpt_freeze_simq(ch->sim, 1);
1443 fsl_sata_begin_transaction(ch, ccb);
1447 fsl_sata_process_read_log(struct fsl_sata_channel *ch, union ccb *ccb)
1450 struct ata_res *res;
1453 ch->recoverycmd = 0;
1455 data = ccb->ataio.data_ptr;
1456 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
1457 (data[0] & 0x80) == 0) {
1458 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1461 if (ch->hold[i]->ccb_h.func_code != XPT_ATA_IO)
1463 if ((data[0] & 0x1F) == i) {
1464 res = &ch->hold[i]->ataio.res;
1465 res->status = data[2];
1466 res->error = data[3];
1467 res->lba_low = data[4];
1468 res->lba_mid = data[5];
1469 res->lba_high = data[6];
1470 res->device = data[7];
1471 res->lba_low_exp = data[8];
1472 res->lba_mid_exp = data[9];
1473 res->lba_high_exp = data[10];
1474 res->sector_count = data[12];
1475 res->sector_count_exp = data[13];
1477 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
1478 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ;
1480 fsl_sata_done(ch, ch->hold[i]);
1485 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
1486 device_printf(ch->dev, "Error while READ LOG EXT\n");
1487 else if ((data[0] & 0x80) == 0) {
1488 device_printf(ch->dev, "Non-queued command error in READ LOG EXT\n");
1490 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1493 if (ch->hold[i]->ccb_h.func_code != XPT_ATA_IO)
1495 fsl_sata_done(ch, ch->hold[i]);
1500 free(ccb->ataio.data_ptr, M_FSL_SATA);
1502 xpt_release_simq(ch->sim, TRUE);
1506 fsl_sata_process_request_sense(struct fsl_sata_channel *ch, union ccb *ccb)
1510 ch->recoverycmd = 0;
1512 i = ccb->ccb_h.recovery_slot;
1513 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1514 ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID;
1516 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
1517 ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL;
1519 fsl_sata_done(ch, ch->hold[i]);
1523 xpt_release_simq(ch->sim, TRUE);
1527 fsl_sata_start(struct fsl_sata_channel *ch)
1531 /* Clear SATA error register */
1532 ATA_OUTL(ch->r_mem, FSL_SATA_P_SERR, 0xFFFFFFFF);
1533 /* Clear any interrupts pending on this channel */
1534 ATA_OUTL(ch->r_mem, FSL_SATA_P_HSTS, 0x3F);
1535 ATA_OUTL(ch->r_mem, FSL_SATA_P_CER, 0xFFFF);
1536 ATA_OUTL(ch->r_mem, FSL_SATA_P_DER, 0xFFFF);
1537 /* Start operations on this channel */
1538 cmd = ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL);
1539 cmd |= FSL_SATA_P_HCTRL_HC_ON | FSL_SATA_P_HCTRL_SNOOP;
1540 cmd &= ~FSL_SATA_P_HCTRL_HC_FORCE_OFF;
1541 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL, cmd |
1542 (ch->pm_present ? FSL_SATA_P_HCTRL_PM : 0));
1543 fsl_sata_wait_register(ch, FSL_SATA_P_HSTS,
1544 FSL_SATA_P_HSTS_PR, FSL_SATA_P_HSTS_PR, 500);
1545 ATA_OUTL(ch->r_mem, FSL_SATA_P_HSTS,
1546 ATA_INL(ch->r_mem, FSL_SATA_P_HSTS) & FSL_SATA_P_HSTS_PR);
1550 fsl_sata_stop(struct fsl_sata_channel *ch)
1555 /* Kill all activity on this channel */
1556 cmd = ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL);
1557 cmd &= ~FSL_SATA_P_HCTRL_HC_ON;
1559 for (i = 0; i < 2; i++) {
1560 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL, cmd);
1561 if (fsl_sata_wait_register(ch, FSL_SATA_P_HSTS,
1562 FSL_SATA_P_HSTS_HS_ON, 0, 500)) {
1564 device_printf(ch->dev,
1565 "stopping FSL SATA engine failed\n");
1566 cmd |= FSL_SATA_P_HCTRL_HC_FORCE_OFF;
1574 fsl_sata_reset(struct fsl_sata_channel *ch)
1579 xpt_freeze_simq(ch->sim, 1);
1581 device_printf(ch->dev, "FSL SATA reset...\n");
1583 /* Requeue freezed command. */
1585 union ccb *fccb = ch->frozen;
1587 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
1588 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
1589 xpt_freeze_devq(fccb->ccb_h.path, 1);
1590 fccb->ccb_h.status |= CAM_DEV_QFRZN;
1592 fsl_sata_done(ch, fccb);
1594 /* Kill the engine and requeue all running commands. */
1596 DELAY(1000); /* sleep for 1ms */
1597 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1598 /* Do we have a running request on slot? */
1599 if (ch->slot[i].state < FSL_SATA_SLOT_RUNNING)
1601 /* XXX; Commands in loading state. */
1602 fsl_sata_end_transaction(&ch->slot[i], FSL_SATA_ERR_INNOCENT);
1604 for (i = 0; i < FSL_SATA_MAX_SLOTS; i++) {
1607 fsl_sata_done(ch, ch->hold[i]);
1611 if (ch->toslots != 0)
1612 xpt_release_simq(ch->sim, TRUE);
1616 /* Tell the XPT about the event */
1617 xpt_async(AC_BUS_RESET, ch->path, NULL);
1618 /* Disable port interrupts */
1619 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL,
1620 ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL) & ~0x3f);
1621 /* Reset and reconnect PHY, */
1623 if (fsl_sata_wait_register(ch, FSL_SATA_P_HSTS, 0x08, 0x08, 500)) {
1625 device_printf(ch->dev,
1626 "FSL SATA reset: device not found\n");
1628 /* Enable wanted port interrupts */
1629 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL,
1630 ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL) | FSL_SATA_P_HCTRL_PHYRDY);
1631 xpt_release_simq(ch->sim, TRUE);
1635 device_printf(ch->dev, "FSL SATA reset: device found\n");
1637 /* Enable wanted port interrupts */
1638 ctrl = ATA_INL(ch->r_mem, FSL_SATA_P_HCTRL) & ~0x3f;
1639 ATA_OUTL(ch->r_mem, FSL_SATA_P_HCTRL,
1640 ctrl | FSL_SATA_P_HCTRL_FATAL | FSL_SATA_P_HCTRL_PHYRDY |
1641 FSL_SATA_P_HCTRL_SIG | FSL_SATA_P_HCTRL_SNTFY |
1642 FSL_SATA_P_HCTRL_DE | FSL_SATA_P_HCTRL_CC);
1643 xpt_release_simq(ch->sim, TRUE);
1647 fsl_sata_setup_fis(struct fsl_sata_channel *ch, struct fsl_sata_cmd_tab *ctp, union ccb *ccb, int tag)
1649 uint8_t *fis = &ctp->cfis[0];
1652 fis[0] = 0x27; /* host to device */
1653 fis[1] = (ccb->ccb_h.target_id & 0x0f);
1654 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
1656 fis[2] = ATA_PACKET_CMD;
1657 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
1658 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
1661 fis[5] = ccb->csio.dxfer_len;
1662 fis[6] = ccb->csio.dxfer_len >> 8;
1665 fis[15] = ATA_A_4BIT;
1666 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1667 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
1668 ctp->acmd, ccb->csio.cdb_len);
1669 bzero(ctp->acmd + ccb->csio.cdb_len, 32 - ccb->csio.cdb_len);
1670 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) {
1672 fis[2] = ccb->ataio.cmd.command;
1673 fis[3] = ccb->ataio.cmd.features;
1674 fis[4] = ccb->ataio.cmd.lba_low;
1675 fis[5] = ccb->ataio.cmd.lba_mid;
1676 fis[6] = ccb->ataio.cmd.lba_high;
1677 fis[7] = ccb->ataio.cmd.device;
1678 fis[8] = ccb->ataio.cmd.lba_low_exp;
1679 fis[9] = ccb->ataio.cmd.lba_mid_exp;
1680 fis[10] = ccb->ataio.cmd.lba_high_exp;
1681 fis[11] = ccb->ataio.cmd.features_exp;
1682 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
1686 fis[12] = ccb->ataio.cmd.sector_count;
1687 fis[13] = ccb->ataio.cmd.sector_count_exp;
1689 fis[15] = ATA_A_4BIT;
1691 fis[15] = ccb->ataio.cmd.control;
1697 fsl_sata_check_ids(struct fsl_sata_channel *ch, union ccb *ccb)
1700 if (ccb->ccb_h.target_id > 15) {
1701 ccb->ccb_h.status = CAM_TID_INVALID;
1702 fsl_sata_done(ch, ccb);
1705 if (ccb->ccb_h.target_lun != 0) {
1706 ccb->ccb_h.status = CAM_LUN_INVALID;
1707 fsl_sata_done(ch, ccb);
1714 fsl_sataaction(struct cam_sim *sim, union ccb *ccb)
1716 struct fsl_sata_channel *ch;
1718 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE,
1719 ("fsl_sataaction func_code=0x%x\n", ccb->ccb_h.func_code));
1721 ch = (struct fsl_sata_channel *)cam_sim_softc(sim);
1722 switch (ccb->ccb_h.func_code) {
1723 /* Common cases first */
1724 case XPT_ATA_IO: /* Execute the requested I/O operation */
1726 if (fsl_sata_check_ids(ch, ccb))
1728 if (ch->devices == 0 ||
1729 (ch->pm_present == 0 &&
1730 ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) {
1731 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1734 ccb->ccb_h.recovery_type = RECOVERY_NONE;
1735 /* Check for command collision. */
1736 if (fsl_sata_check_collision(ch, ccb)) {
1737 /* Freeze command. */
1739 /* We have only one frozen slot, so freeze simq also. */
1740 xpt_freeze_simq(ch->sim, 1);
1743 fsl_sata_begin_transaction(ch, ccb);
1745 case XPT_ABORT: /* Abort the specified CCB */
1747 ccb->ccb_h.status = CAM_REQ_INVALID;
1749 case XPT_SET_TRAN_SETTINGS:
1751 struct ccb_trans_settings *cts = &ccb->cts;
1752 struct fsl_sata_device *d;
1754 if (fsl_sata_check_ids(ch, ccb))
1756 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1757 d = &ch->curr[ccb->ccb_h.target_id];
1759 d = &ch->user[ccb->ccb_h.target_id];
1760 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
1761 d->revision = cts->xport_specific.sata.revision;
1762 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE)
1763 d->mode = cts->xport_specific.sata.mode;
1764 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
1765 d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
1766 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
1767 d->tags = min(FSL_SATA_MAX_SLOTS, cts->xport_specific.sata.tags);
1768 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM)
1769 ch->pm_present = cts->xport_specific.sata.pm_present;
1770 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI)
1771 d->atapi = cts->xport_specific.sata.atapi;
1772 ccb->ccb_h.status = CAM_REQ_CMP;
1775 case XPT_GET_TRAN_SETTINGS:
1776 /* Get default/user set transfer settings for the target */
1778 struct ccb_trans_settings *cts = &ccb->cts;
1779 struct fsl_sata_device *d;
1782 if (fsl_sata_check_ids(ch, ccb))
1784 if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
1785 d = &ch->curr[ccb->ccb_h.target_id];
1787 d = &ch->user[ccb->ccb_h.target_id];
1788 cts->protocol = PROTO_UNSPECIFIED;
1789 cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
1790 cts->transport = XPORT_SATA;
1791 cts->transport_version = XPORT_VERSION_UNSPECIFIED;
1792 cts->proto_specific.valid = 0;
1793 cts->xport_specific.sata.valid = 0;
1794 if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
1795 (ccb->ccb_h.target_id == 15 ||
1796 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) {
1797 status = ATA_INL(ch->r_mem, FSL_SATA_P_SSTS) & ATA_SS_SPD_MASK;
1798 if (status & 0x0f0) {
1799 cts->xport_specific.sata.revision =
1800 (status & 0x0f0) >> 4;
1801 cts->xport_specific.sata.valid |=
1802 CTS_SATA_VALID_REVISION;
1804 cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D;
1806 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ;
1808 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN;
1809 cts->xport_specific.sata.caps &=
1810 ch->user[ccb->ccb_h.target_id].caps;
1811 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
1813 cts->xport_specific.sata.revision = d->revision;
1814 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
1815 cts->xport_specific.sata.caps = d->caps;
1816 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
1818 cts->xport_specific.sata.mode = d->mode;
1819 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
1820 cts->xport_specific.sata.bytecount = d->bytecount;
1821 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
1822 cts->xport_specific.sata.pm_present = ch->pm_present;
1823 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM;
1824 cts->xport_specific.sata.tags = d->tags;
1825 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS;
1826 cts->xport_specific.sata.atapi = d->atapi;
1827 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
1828 ccb->ccb_h.status = CAM_REQ_CMP;
1831 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
1832 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
1834 ccb->ccb_h.status = CAM_REQ_CMP;
1836 case XPT_TERM_IO: /* Terminate the I/O process */
1838 ccb->ccb_h.status = CAM_REQ_INVALID;
1840 case XPT_PATH_INQ: /* Path routing inquiry */
1842 struct ccb_pathinq *cpi = &ccb->cpi;
1844 cpi->version_num = 1; /* XXX??? */
1845 cpi->hba_inquiry = PI_SDTR_ABLE;
1846 cpi->hba_inquiry |= PI_TAG_ABLE;
1849 * XXX: CAM tries to reset port 15 if it sees port multiplier
1850 * support. Disable it for now.
1852 cpi->hba_inquiry |= PI_SATAPM;
1854 cpi->target_sprt = 0;
1855 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED;
1856 cpi->hba_eng_cnt = 0;
1858 * XXX: This should be 15, since hardware *does* support a port
1859 * multiplier. See above.
1861 cpi->max_target = 0;
1863 cpi->initiator_id = 0;
1864 cpi->bus_id = cam_sim_bus(sim);
1865 cpi->base_transfer_speed = 150000;
1866 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1867 strncpy(cpi->hba_vid, "FSL SATA", HBA_IDLEN);
1868 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1869 cpi->unit_number = cam_sim_unit(sim);
1870 cpi->transport = XPORT_SATA;
1871 cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
1872 cpi->protocol = PROTO_ATA;
1873 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
1874 cpi->maxio = MAXPHYS;
1875 cpi->ccb_h.status = CAM_REQ_CMP;
1879 ccb->ccb_h.status = CAM_REQ_INVALID;
1882 fsl_sata_done(ch, ccb);
1886 fsl_satapoll(struct cam_sim *sim)
1888 struct fsl_sata_channel *ch = (struct fsl_sata_channel *)cam_sim_softc(sim);
1891 /* Read interrupt statuses and process if any. */
1892 istatus = ATA_INL(ch->r_mem, FSL_SATA_P_HSTS);
1894 fsl_sata_intr_main(ch, istatus);
1896 MODULE_VERSION(fsl_sata, 1);
1897 MODULE_DEPEND(fsl_sata, cam, 1, 1, 1);