From 155851a517f6dc1918b25cce7dac36db9762afc0 Mon Sep 17 00:00:00 2001 From: gibbs Date: Tue, 15 Sep 1998 07:39:55 +0000 Subject: Adaptec 154X SCSI-Host Adapter driver for CAM. Submitted by: Warner Losh --- sys/dev/aha/aha.c | 1762 ++++++++++++++++++++++++++++++++++++++++++++++++ sys/dev/aha/aha_isa.c | 229 +++++++ sys/dev/aha/ahareg.h | 464 +++++++++++++ sys/i386/isa/aha_isa.c | 229 +++++++ 4 files changed, 2684 insertions(+) create mode 100644 sys/dev/aha/aha.c create mode 100644 sys/dev/aha/aha_isa.c create mode 100644 sys/dev/aha/ahareg.h create mode 100644 sys/i386/isa/aha_isa.c diff --git a/sys/dev/aha/aha.c b/sys/dev/aha/aha.c new file mode 100644 index 0000000..8f1098b --- /dev/null +++ b/sys/dev/aha/aha.c @@ -0,0 +1,1762 @@ +/* + * Generic register and struct definitions for the Adaptech 154x/164x + * SCSI host adapters. Product specific probe and attach routines can + * be found in: + * XXX + * + * Derived from bt.c written by: + * + * Copyright (c) 1998 Justin T. Gibbs. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification, immediately at the beginning of the file. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include + +struct aha_softc *aha_softcs[NAHA]; + +#define MIN(a, b) ((a) < (b) ? (a) : (b)) + +/* MailBox Management functions */ +static __inline void ahanextinbox(struct aha_softc *aha); +static __inline void ahanextoutbox(struct aha_softc *aha); + +static __inline void +ahanextinbox(struct aha_softc *aha) +{ + if (aha->cur_inbox == aha->last_inbox) + aha->cur_inbox = aha->in_boxes; + else + aha->cur_inbox++; +} + +static __inline void +ahanextoutbox(struct aha_softc *aha) +{ + if (aha->cur_outbox == aha->last_outbox) + aha->cur_outbox = aha->out_boxes; + else + aha->cur_outbox++; +} + +#define ahautoa24(u,s3) \ + (s3)[0] = ((u) >> 16) & 0xff; \ + (s3)[1] = ((u) >> 8) & 0xff; \ + (s3)[2] = (u) & 0xff; + +#define aha_a24tou(s3) \ + (((s3)[0] << 16) | ((s3)[1] << 8) | (s3)[2]) + +/* CCB Mangement functions */ +static __inline u_int32_t ahaccbvtop(struct aha_softc *aha, + struct aha_ccb *bccb); +static __inline struct aha_ccb* ahaccbptov(struct aha_softc *aha, + u_int32_t ccb_addr); + +static __inline u_int32_t +ahaccbvtop(struct aha_softc *aha, struct aha_ccb *bccb) +{ + return (aha->aha_ccb_physbase + + (u_int32_t)((caddr_t)bccb - (caddr_t)aha->aha_ccb_array)); +} +static __inline struct aha_ccb * +ahaccbptov(struct aha_softc *aha, u_int32_t ccb_addr) +{ + return (aha->aha_ccb_array + + + ((struct aha_ccb*)ccb_addr-(struct aha_ccb*)aha->aha_ccb_physbase)); +} + +static struct aha_ccb* ahagetccb(struct aha_softc *aha); +static __inline void ahafreeccb(struct aha_softc *aha, struct aha_ccb *bccb); +static void ahaallocccbs(struct aha_softc *aha); +static bus_dmamap_callback_t ahaexecuteccb; +static void ahadone(struct aha_softc *aha, struct aha_ccb *bccb, + aha_mbi_comp_code_t comp_code); + +/* Host adapter command functions */ +static int ahareset(struct aha_softc* aha, int hard_reset); + +/* Initialization functions */ +static int ahainitmboxes(struct aha_softc *aha); +static bus_dmamap_callback_t ahamapmboxes; +static bus_dmamap_callback_t ahamapccbs; +static bus_dmamap_callback_t ahamapsgs; + +/* Transfer Negotiation Functions */ +static void ahafetchtransinfo(struct aha_softc *aha, + struct ccb_trans_settings *cts); + +/* CAM SIM entry points */ +#define ccb_bccb_ptr spriv_ptr0 +#define ccb_aha_ptr spriv_ptr1 +static void ahaaction(struct cam_sim *sim, union ccb *ccb); +static void ahapoll(struct cam_sim *sim); + +/* Our timeout handler */ +timeout_t ahatimeout; + +u_long aha_unit = 0; + +/* + * Do our own re-probe protection until a configuration + * manager can do it for us. This ensures that we don't + * reprobe a card already found by the EISA or PCI probes. + */ +struct aha_isa_port aha_isa_ports[] = +{ + { 0x330, 0 }, + { 0x334, 0 }, + { 0x230, 0 }, + { 0x234, 0 }, + { 0x130, 0 }, + { 0x134, 0 } +}; + +/* Exported functions */ +struct aha_softc * +aha_alloc(int unit, bus_space_tag_t tag, bus_space_handle_t bsh) +{ + struct aha_softc *aha; + int i; + + if (unit != AHA_TEMP_UNIT) { + if (unit >= NAHA) { + printf("aha: unit number (%d) too high\n", unit); + return NULL; + } + + /* + * Allocate a storage area for us + */ + if (aha_softcs[unit]) { + printf("aha%d: memory already allocated\n", unit); + return NULL; + } + } + + aha = malloc(sizeof(struct aha_softc), M_DEVBUF, M_NOWAIT); + if (!aha) { + printf("aha%d: cannot malloc!\n", unit); + return NULL; + } + bzero(aha, sizeof(struct aha_softc)); + SLIST_INIT(&aha->free_aha_ccbs); + LIST_INIT(&aha->pending_ccbs); + SLIST_INIT(&aha->sg_maps); + aha->unit = unit; + aha->tag = tag; + aha->bsh = bsh; + + if (aha->unit != AHA_TEMP_UNIT) { + aha_softcs[unit] = aha; + } + return (aha); +} + +void +aha_free(struct aha_softc *aha) +{ + switch (aha->init_level) { + default: + case 8: + { + struct sg_map_node *sg_map; + + while ((sg_map = SLIST_FIRST(&aha->sg_maps))!= NULL) { + SLIST_REMOVE_HEAD(&aha->sg_maps, links); + bus_dmamap_unload(aha->sg_dmat, + sg_map->sg_dmamap); + bus_dmamem_free(aha->sg_dmat, sg_map->sg_vaddr, + sg_map->sg_dmamap); + free(sg_map, M_DEVBUF); + } + bus_dma_tag_destroy(aha->sg_dmat); + } + case 7: + bus_dmamap_unload(aha->ccb_dmat, aha->ccb_dmamap); + case 6: + bus_dmamap_destroy(aha->ccb_dmat, aha->ccb_dmamap); + bus_dmamem_free(aha->ccb_dmat, aha->aha_ccb_array, + aha->ccb_dmamap); + case 5: + bus_dma_tag_destroy(aha->ccb_dmat); + case 4: + bus_dmamap_unload(aha->mailbox_dmat, aha->mailbox_dmamap); + case 3: + bus_dmamem_free(aha->mailbox_dmat, aha->in_boxes, + aha->mailbox_dmamap); + bus_dmamap_destroy(aha->mailbox_dmat, aha->mailbox_dmamap); + case 2: + bus_dma_tag_destroy(aha->buffer_dmat); + case 1: + bus_dma_tag_destroy(aha->mailbox_dmat); + case 0: + } + if (aha->unit != AHA_TEMP_UNIT) { + aha_softcs[aha->unit] = NULL; + } + free(aha, M_DEVBUF); +} + +/* + * Probe the adapter and verify that the card is an Adaptec. + */ +int +aha_probe(struct aha_softc* aha) +{ + u_int status; + u_int intstat; + int error; + u_int8_t param; + esetup_info_data_t esetup_info; + + /* + * See if the three I/O ports look reasonable. + * Touch the minimal number of registers in the + * failure case. + */ + status = aha_inb(aha, STATUS_REG); + if ((status == 0) + || (status & (DIAG_ACTIVE|CMD_REG_BUSY| + STATUS_REG_RSVD|CMD_INVALID)) != 0) { + return (ENXIO); + } + + intstat = aha_inb(aha, INTSTAT_REG); + if ((intstat & INTSTAT_REG_RSVD) != 0) { + printf("%s: Failed Intstat Reg Test\n", aha_name(aha)); + return (ENXIO); + } + + /* + * Looking good so far. Final test is to reset the + * adapter. + */ + if ((error = ahareset(aha, /*hard_reset*/TRUE)) != 0) { + if (bootverbose) + printf("%s: Failed Reset\n", aha_name(aha)); + return (ENXIO); + } + + /* + * Issue a buslogic command that will fail, and reject the board + * if it doesn't. + */ + param = sizeof(esetup_info); + error = aha_cmd(aha, BOP_INQUIRE_ESETUP_INFO, ¶m, /*parmlen*/1, + (u_int8_t*)&esetup_info, sizeof(esetup_info), + DEFAULT_CMD_TIMEOUT); + if (error == 0) + return ENXIO; + + return (0); +} + +/* + * Pull the boards setup information and record it in our softc. + */ +int +aha_fetch_adapter_info(struct aha_softc *aha) +{ + board_id_data_t board_id; + setup_data_t setup_info; + config_data_t config_data; + u_int8_t length_param; + int error; + + /* First record the firmware version */ + error = aha_cmd(aha, BOP_INQUIRE_BOARD_ID, NULL, /*parmlen*/0, + (u_int8_t*)&board_id, sizeof(board_id), + DEFAULT_CMD_TIMEOUT); + if (error != 0) { + printf("%s: aha_fetch_adapter_info - Failed Get Board Info\n", + aha_name(aha)); + return (error); + } + aha->firmware_ver[0] = board_id.firmware_rev_major; + aha->firmware_ver[1] = '.'; + aha->firmware_ver[2] = board_id.firmware_rev_minor; + aha->firmware_ver[3] = '\0'; + + aha->boardid = board_id.board_type; + + switch (board_id.board_type) { + case BOARD_1540_16HEAD_BIOS: + strcpy(aha->model, "1540 16 head BIOS"); + break; + case BOARD_1540_64HEAD_BIOS: + strcpy(aha->model, "1540 64 head BIOS"); + break; + case BOARD_1542: + strcpy(aha->model, "1540/1542 64 head BIOS"); + break; + case BOARD_1640: + strcpy(aha->model, "1640"); + break; + case BOARD_1740: + strcpy(aha->model, "1740A/1742A/1744"); + break; + case BOARD_1542C: + strcpy(aha->model, "1542C"); + break; + case BOARD_1542CF: + strcpy(aha->model, "1542CF"); + break; + case BOARD_1542CP: + strcpy(aha->model, "1542CP"); + break; + default: + strcpy(aha->model, "Unknown"); + break; + } + aha->max_sg = 16; + aha->diff_bus = 0; + aha->extended_lun = 0; + aha->extended_trans = 0; /* XXX ???? XXX */ + aha->max_ccbs = 16; /* XXX ???? XXX */ + /* Determine Sync/Wide/Disc settings */ + length_param = sizeof(setup_info); + error = aha_cmd(aha, BOP_INQUIRE_SETUP_INFO, &length_param, + /*paramlen*/1, (u_int8_t*)&setup_info, + sizeof(setup_info), DEFAULT_CMD_TIMEOUT); + if (error != 0) { + printf("%s: aha_fetch_adapter_info - Failed " + "Get Setup Info\n", aha_name(aha)); + return (error); + } + if (setup_info.initiate_sync != 0) { + aha->sync_permitted = ALL_TARGETS; + } + aha->disc_permitted = ALL_TARGETS; + + /* We need as many mailboxes as we can have ccbs */ + aha->num_boxes = aha->max_ccbs; + + /* Determine our SCSI ID */ + + error = aha_cmd(aha, BOP_INQUIRE_CONFIG, NULL, /*parmlen*/0, + (u_int8_t*)&config_data, sizeof(config_data), + DEFAULT_CMD_TIMEOUT); + if (error != 0) { + printf("%s: aha_fetch_adapter_info - Failed Get Config\n", + aha_name(aha)); + return (error); + } + aha->scsi_id = config_data.scsi_id; + return (0); +} + +/* + * Start the board, ready for normal operation + */ +int +aha_init(struct aha_softc* aha) +{ + /* Announce the Adapter */ + printf("%s: AHA-%s FW Rev. %s (ID=%x)", aha_name(aha), + aha->model, aha->firmware_ver, aha->boardid); + + if (aha->diff_bus != 0) + printf("Diff "); + + printf("SCSI Host Adapter, SCSI ID %d, %d CCBs\n", aha->scsi_id, + aha->max_ccbs); + + /* + * Create our DMA tags. These tags define the kinds of device + * accessable memory allocations and memory mappings we will + * need to perform during normal operation. + * + * Unless we need to further restrict the allocation, we rely + * on the restrictions of the parent dmat, hence the common + * use of MAXADDR and MAXSIZE. + */ + + /* DMA tag for mapping buffers into device visible space. */ + if (bus_dma_tag_create(aha->parent_dmat, /*alignment*/0, /*boundary*/0, + /*lowaddr*/BUS_SPACE_MAXADDR, + /*highaddr*/BUS_SPACE_MAXADDR, + /*filter*/NULL, /*filterarg*/NULL, + /*maxsize*/MAXBSIZE, /*nsegments*/AHA_NSEG, + /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT, + /*flags*/BUS_DMA_ALLOCNOW, + &aha->buffer_dmat) != 0) { + goto error_exit; + } + + aha->init_level++; + /* DMA tag for our mailboxes */ + if (bus_dma_tag_create(aha->parent_dmat, /*alignment*/0, /*boundary*/0, + /*lowaddr*/BUS_SPACE_MAXADDR, + /*highaddr*/BUS_SPACE_MAXADDR, + /*filter*/NULL, /*filterarg*/NULL, + aha->num_boxes * (sizeof(aha_mbox_in_t) + + sizeof(aha_mbox_out_t)), + /*nsegments*/1, + /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT, + /*flags*/0, &aha->mailbox_dmat) != 0) { + goto error_exit; + } + + aha->init_level++; + + /* Allocation for our mailboxes */ + if (bus_dmamem_alloc(aha->mailbox_dmat, (void **)&aha->out_boxes, + BUS_DMA_NOWAIT, &aha->mailbox_dmamap) != 0) { + goto error_exit; + } + + aha->init_level++; + + /* And permanently map them */ + bus_dmamap_load(aha->mailbox_dmat, aha->mailbox_dmamap, + aha->out_boxes, + aha->num_boxes * (sizeof(aha_mbox_in_t) + + sizeof(aha_mbox_out_t)), + ahamapmboxes, aha, /*flags*/0); + + aha->init_level++; + + aha->in_boxes = (aha_mbox_in_t *)&aha->out_boxes[aha->num_boxes]; + + ahainitmboxes(aha); + + /* DMA tag for our ccb structures */ + if (bus_dma_tag_create(aha->parent_dmat, /*alignment*/0, /*boundary*/0, + /*lowaddr*/BUS_SPACE_MAXADDR, + /*highaddr*/BUS_SPACE_MAXADDR, + /*filter*/NULL, /*filterarg*/NULL, + aha->max_ccbs * sizeof(struct aha_ccb), + /*nsegments*/1, + /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT, + /*flags*/0, &aha->ccb_dmat) != 0) { + goto error_exit; + } + + aha->init_level++; + + /* Allocation for our ccbs */ + if (bus_dmamem_alloc(aha->ccb_dmat, (void **)&aha->aha_ccb_array, + BUS_DMA_NOWAIT, &aha->ccb_dmamap) != 0) { + goto error_exit; + } + + aha->init_level++; + + /* And permanently map them */ + bus_dmamap_load(aha->ccb_dmat, aha->ccb_dmamap, + aha->aha_ccb_array, + aha->max_ccbs * sizeof(struct aha_ccb), + ahamapccbs, aha, /*flags*/0); + + aha->init_level++; + + /* DMA tag for our S/G structures. We allocate in page sized chunks */ + if (bus_dma_tag_create(aha->parent_dmat, /*alignment*/0, /*boundary*/0, + /*lowaddr*/BUS_SPACE_MAXADDR, + /*highaddr*/BUS_SPACE_MAXADDR, + /*filter*/NULL, /*filterarg*/NULL, + PAGE_SIZE, /*nsegments*/1, + /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT, + /*flags*/0, &aha->sg_dmat) != 0) { + goto error_exit; + } + + aha->init_level++; + + /* Perform initial CCB allocation */ + bzero(aha->aha_ccb_array, aha->max_ccbs * sizeof(struct aha_ccb)); + ahaallocccbs(aha); + + if (aha->num_ccbs == 0) { + printf("%s: aha_init - Unable to allocate initial ccbs\n"); + goto error_exit; + } + + /* + * Note that we are going and return (to probe) + */ + return 0; + +error_exit: + + return (ENXIO); +} + +int +aha_attach(struct aha_softc *aha) +{ + int tagged_dev_openings; + struct cam_devq *devq; + + /* + * We reserve 1 ccb for error recovery, so don't + * tell the XPT about it. + */ + tagged_dev_openings = 0; + + /* + * Create the device queue for our SIM. + */ + devq = cam_simq_alloc(aha->max_ccbs - 1); + if (devq == NULL) + return (ENOMEM); + + /* + * Construct our SIM entry + */ + aha->sim = cam_sim_alloc(ahaaction, ahapoll, "aha", aha, aha->unit, + 2, tagged_dev_openings, devq); + if (aha->sim == NULL) { + cam_simq_free(devq); + return (ENOMEM); + } + + if (xpt_bus_register(aha->sim, 0) != CAM_SUCCESS) { + cam_sim_free(aha->sim, /*free_devq*/TRUE); + return (ENXIO); + } + + if (xpt_create_path(&aha->path, /*periph*/NULL, + cam_sim_path(aha->sim), CAM_TARGET_WILDCARD, + CAM_LUN_WILDCARD) != CAM_REQ_CMP) { + xpt_bus_deregister(cam_sim_path(aha->sim)); + cam_sim_free(aha->sim, /*free_devq*/TRUE); + return (ENXIO); + } + + return (0); +} + +char * +aha_name(struct aha_softc *aha) +{ + static char name[10]; + + sprintf(name, "aha%d", aha->unit); + return (name); +} + +int +aha_check_probed_iop(u_int ioport) +{ + u_int i; + + for (i=0; i < AHA_NUM_ISAPORTS; i++) { + if (aha_isa_ports[i].addr == ioport) { + if (aha_isa_ports[i].probed != 0) + return (1); + else { + return (0); + } + } + } + return (1); +} + +void +aha_mark_probed_bio(isa_compat_io_t port) +{ + if (port < BIO_DISABLED) + aha_isa_ports[port].probed = 1; +} + +void +aha_mark_probed_iop(u_int ioport) +{ + u_int i; + + for (i = 0; i < AHA_NUM_ISAPORTS; i++) { + if (ioport == aha_isa_ports[i].addr) { + aha_isa_ports[i].probed = 1; + break; + } + } +} + +static void +ahaallocccbs(struct aha_softc *aha) +{ + struct aha_ccb *next_ccb; + struct sg_map_node *sg_map; + bus_addr_t physaddr; + aha_sg_t *segs; + int newcount; + int i; + + next_ccb = &aha->aha_ccb_array[aha->num_ccbs]; + + sg_map = malloc(sizeof(*sg_map), M_DEVBUF, M_NOWAIT); + + if (sg_map == NULL) + return; + + /* Allocate S/G space for the next batch of CCBS */ + if (bus_dmamem_alloc(aha->sg_dmat, (void **)&sg_map->sg_vaddr, + BUS_DMA_NOWAIT, &sg_map->sg_dmamap) != 0) { + free(sg_map, M_DEVBUF); + return; + } + + SLIST_INSERT_HEAD(&aha->sg_maps, sg_map, links); + + bus_dmamap_load(aha->sg_dmat, sg_map->sg_dmamap, sg_map->sg_vaddr, + PAGE_SIZE, ahamapsgs, aha, /*flags*/0); + + segs = sg_map->sg_vaddr; + physaddr = sg_map->sg_physaddr; + + newcount = (PAGE_SIZE / (AHA_NSEG * sizeof(aha_sg_t))); + for (i = 0; aha->num_ccbs < aha->max_ccbs && i < newcount; i++) { + int error; + + next_ccb->sg_list = segs; + next_ccb->sg_list_phys = physaddr; + next_ccb->flags = BCCB_FREE; + error = bus_dmamap_create(aha->buffer_dmat, /*flags*/0, + &next_ccb->dmamap); + if (error != 0) + break; + SLIST_INSERT_HEAD(&aha->free_aha_ccbs, next_ccb, links); + segs += AHA_NSEG; + physaddr += (AHA_NSEG * sizeof(aha_sg_t)); + next_ccb++; + aha->num_ccbs++; + } + + /* Reserve a CCB for error recovery */ + if (aha->recovery_bccb == NULL) { + aha->recovery_bccb = SLIST_FIRST(&aha->free_aha_ccbs); + SLIST_REMOVE_HEAD(&aha->free_aha_ccbs, links); + } +} + +static __inline void +ahafreeccb(struct aha_softc *aha, struct aha_ccb *bccb) +{ + int s; + + s = splcam(); + if ((bccb->flags & BCCB_ACTIVE) != 0) + LIST_REMOVE(&bccb->ccb->ccb_h, sim_links.le); + if (aha->resource_shortage != 0 + && (bccb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) { + bccb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; + aha->resource_shortage = FALSE; + } + bccb->flags = BCCB_FREE; + SLIST_INSERT_HEAD(&aha->free_aha_ccbs, bccb, links); + splx(s); +} + +static struct aha_ccb* +ahagetccb(struct aha_softc *aha) +{ + struct aha_ccb* bccb; + int s; + + s = splcam(); + if ((bccb = SLIST_FIRST(&aha->free_aha_ccbs)) != NULL) { + SLIST_REMOVE_HEAD(&aha->free_aha_ccbs, links); + } else if (aha->num_ccbs < aha->max_ccbs) { + ahaallocccbs(aha); + bccb = SLIST_FIRST(&aha->free_aha_ccbs); + if (bccb == NULL) + printf("%s: Can't malloc BCCB\n", aha_name(aha)); + else + SLIST_REMOVE_HEAD(&aha->free_aha_ccbs, links); + } + splx(s); + + return (bccb); +} + +static void +ahaaction(struct cam_sim *sim, union ccb *ccb) +{ + struct aha_softc *aha; + int s; + + CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahaaction\n")); + + aha = (struct aha_softc *)cam_sim_softc(sim); + + switch (ccb->ccb_h.func_code) { + /* Common cases first */ + case XPT_SCSI_IO: /* Execute the requested I/O operation */ + case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ + { + struct aha_ccb *bccb; + struct aha_hccb *hccb; + + /* + * get a bccb to use. + */ + if ((bccb = ahagetccb(aha)) == NULL) { + int s; + + s = splcam(); + aha->resource_shortage = TRUE; + splx(s); + xpt_freeze_simq(aha->sim, /*count*/1); + ccb->ccb_h.status = CAM_REQUEUE_REQ; + xpt_done(ccb); + return; + } + + hccb = &bccb->hccb; + + /* + * So we can find the BCCB when an abort is requested + */ + bccb->ccb = ccb; + ccb->ccb_h.ccb_bccb_ptr = bccb; + ccb->ccb_h.ccb_aha_ptr = aha; + + /* + * Put all the arguments for the xfer in the bccb + */ + hccb->target = ccb->ccb_h.target_id; + hccb->lun = ccb->ccb_h.target_lun; + hccb->ahastat = 0; + hccb->sdstat = 0; + + if (ccb->ccb_h.func_code == XPT_SCSI_IO) { + struct ccb_scsiio *csio; + struct ccb_hdr *ccbh; + + csio = &ccb->csio; + ccbh = &csio->ccb_h; + hccb->opcode = INITIATOR_CCB_WRESID; + hccb->datain = (ccb->ccb_h.flags & CAM_DIR_IN) != 0; + hccb->dataout = (ccb->ccb_h.flags & CAM_DIR_OUT) != 0; + hccb->cmd_len = csio->cdb_len; + if (hccb->cmd_len > sizeof(hccb->scsi_cdb)) { + ccb->ccb_h.status = CAM_REQ_INVALID; + ahafreeccb(aha, bccb); + xpt_done(ccb); + return; + } + hccb->sense_len = csio->sense_len; + if ((ccbh->flags & CAM_CDB_POINTER) != 0) { + if ((ccbh->flags & CAM_CDB_PHYS) == 0) { + bcopy(csio->cdb_io.cdb_ptr, + hccb->scsi_cdb, hccb->cmd_len); + } else { + /* I guess I could map it in... */ + ccbh->status = CAM_REQ_INVALID; + ahafreeccb(aha, bccb); + xpt_done(ccb); + return; + } + } else { + bcopy(csio->cdb_io.cdb_bytes, + hccb->scsi_cdb, hccb->cmd_len); + } + /* + * If we have any data to send with this command, + * map it into bus space. + */ + /* Only use S/G if there is a transfer */ + if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { + if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { + /* + * We've been given a pointer + * to a single buffer. + */ + if ((ccbh->flags & CAM_DATA_PHYS)==0) { + int s; + int error; + + s = splsoftvm(); + error = bus_dmamap_load( + aha->buffer_dmat, + bccb->dmamap, + csio->data_ptr, + csio->dxfer_len, + ahaexecuteccb, + bccb, + /*flags*/0); + if (error == EINPROGRESS) { + /* + * So as to maintain + * ordering, freeze the + * controller queue + * until our mapping is + * returned. + */ + xpt_freeze_simq(aha->sim, + 1); + csio->ccb_h.status |= + CAM_RELEASE_SIMQ; + } + splx(s); + } else { + struct bus_dma_segment seg; + + /* Pointer to physical buffer */ + seg.ds_addr = + (bus_addr_t)csio->data_ptr; + seg.ds_len = csio->dxfer_len; + ahaexecuteccb(bccb, &seg, 1, 0); + } + } else { + struct bus_dma_segment *segs; + + if ((ccbh->flags & CAM_DATA_PHYS) != 0) + panic("ahaaction - Physical " + "segment pointers " + "unsupported"); + + if ((ccbh->flags&CAM_SG_LIST_PHYS)==0) + panic("ahaaction - Virtual " + "segment addresses " + "unsupported"); + + /* Just use the segments provided */ + segs = (struct bus_dma_segment *) + csio->data_ptr; + ahaexecuteccb(bccb, segs, + csio->sglist_cnt, 0); + } + } else { + ahaexecuteccb(bccb, NULL, 0, 0); + } + } else { + hccb->opcode = INITIATOR_BUS_DEV_RESET; + /* No data transfer */ + hccb->datain = TRUE; + hccb->dataout = TRUE; + hccb->cmd_len = 0; + hccb->sense_len = 0; + ahaexecuteccb(bccb, NULL, 0, 0); + } + break; + } + case XPT_EN_LUN: /* Enable LUN as a target */ + case XPT_TARGET_IO: /* Execute target I/O request */ + case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ + case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ + case XPT_ABORT: /* Abort the specified CCB */ + /* XXX Implement */ + ccb->ccb_h.status = CAM_REQ_INVALID; + xpt_done(ccb); + break; + case XPT_SET_TRAN_SETTINGS: + { + /* XXX Implement */ + ccb->ccb_h.status = CAM_REQ_CMP; + xpt_done(ccb); + break; + } + case XPT_GET_TRAN_SETTINGS: + /* Get default/user set transfer settings for the target */ + { + struct ccb_trans_settings *cts; + u_int target_mask; + + cts = &ccb->cts; + target_mask = 0x01 << ccb->ccb_h.target_id; + if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) { + cts->flags = 0; + if ((aha->disc_permitted & target_mask) != 0) + cts->flags |= CCB_TRANS_DISC_ENB; + cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; + if ((aha->sync_permitted & target_mask) != 0) + cts->sync_period = 50; + else + cts->sync_period = 0; + + if (cts->sync_period != 0) + cts->sync_offset = 15; + + cts->valid = CCB_TRANS_SYNC_RATE_VALID + | CCB_TRANS_SYNC_OFFSET_VALID + | CCB_TRANS_BUS_WIDTH_VALID + | CCB_TRANS_DISC_VALID + | CCB_TRANS_TQ_VALID; + } else { + ahafetchtransinfo(aha, cts); + } + + ccb->ccb_h.status = CAM_REQ_CMP; + xpt_done(ccb); + break; + } + case XPT_CALC_GEOMETRY: + { + struct ccb_calc_geometry *ccg; + u_int32_t size_mb; + u_int32_t secs_per_cylinder; + + ccg = &ccb->ccg; + size_mb = ccg->volume_size + / ((1024L * 1024L) / ccg->block_size); + + if (size_mb >= 1024 && (aha->extended_trans != 0)) { + if (size_mb >= 2048) { + ccg->heads = 255; + ccg->secs_per_track = 63; + } else { + ccg->heads = 128; + ccg->secs_per_track = 32; + } + } else { + ccg->heads = 64; + ccg->secs_per_track = 32; + } + secs_per_cylinder = ccg->heads * ccg->secs_per_track; + ccg->cylinders = ccg->volume_size / secs_per_cylinder; + ccb->ccb_h.status = CAM_REQ_CMP; + xpt_done(ccb); + break; + } + case XPT_RESET_BUS: /* Reset the specified SCSI bus */ + { + ahareset(aha, /*hardreset*/TRUE); + ccb->ccb_h.status = CAM_REQ_CMP; + xpt_done(ccb); + break; + } + case XPT_TERM_IO: /* Terminate the I/O process */ + /* XXX Implement */ + ccb->ccb_h.status = CAM_REQ_INVALID; + xpt_done(ccb); + break; + case XPT_PATH_INQ: /* Path routing inquiry */ + { + struct ccb_pathinq *cpi = &ccb->cpi; + + cpi->version_num = 1; /* XXX??? */ + cpi->hba_inquiry = PI_SDTR_ABLE; + cpi->target_sprt = 0; + cpi->hba_misc = 0; + cpi->hba_eng_cnt = 0; + cpi->max_target = aha->wide_bus ? 15 : 7; + cpi->max_lun = 7; + cpi->initiator_id = aha->scsi_id; + cpi->bus_id = cam_sim_bus(sim); + strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); + strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN); + strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); + cpi->unit_number = cam_sim_unit(sim); + cpi->ccb_h.status = CAM_REQ_CMP; + xpt_done(ccb); + break; + } + default: + ccb->ccb_h.status = CAM_REQ_INVALID; + xpt_done(ccb); + break; + } +} + +static void +ahaexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) +{ + struct aha_ccb *bccb; + union ccb *ccb; + struct aha_softc *aha; + int s, i; + u_int32_t paddr; + + bccb = (struct aha_ccb *)arg; + ccb = bccb->ccb; + aha = (struct aha_softc *)ccb->ccb_h.ccb_aha_ptr; + + if (error != 0) { + if (error != EFBIG) + printf("%s: Unexepected error 0x%x returned from " + "bus_dmamap_load\n", aha_name(aha)); + if (ccb->ccb_h.status == CAM_REQ_INPROG) { + xpt_freeze_devq(ccb->ccb_h.path, /*count*/1); + ccb->ccb_h.status = CAM_REQ_TOO_BIG|CAM_DEV_QFRZN; + } + ahafreeccb(aha, bccb); + xpt_done(ccb); + return; + } + + if (nseg != 0) { + aha_sg_t *sg; + bus_dma_segment_t *end_seg; + bus_dmasync_op_t op; + + end_seg = dm_segs + nseg; + + /* Copy the segments into our SG list */ + sg = bccb->sg_list; + while (dm_segs < end_seg) { + ahautoa24(dm_segs->ds_len, sg->len); + ahautoa24(dm_segs->ds_addr, sg->addr); + sg++; + dm_segs++; + } + + if (nseg > 1) { + bccb->hccb.opcode = INITIATOR_SG_CCB_WRESID; + ahautoa24((sizeof(aha_sg_t) * nseg), + bccb->hccb.data_len); + ahautoa24(bccb->sg_list_phys, bccb->hccb.data_addr); + } else { + bcopy(bccb->sg_list->len, bccb->hccb.data_len, 3); + bcopy(bccb->sg_list->addr, bccb->hccb.data_addr, 3); + } + + if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) + op = BUS_DMASYNC_PREREAD; + else + op = BUS_DMASYNC_PREWRITE; + + bus_dmamap_sync(aha->buffer_dmat, bccb->dmamap, op); + + } else { + bccb->hccb.opcode = INITIATOR_CCB_WRESID; + ahautoa24(0, bccb->hccb.data_len); + ahautoa24(0, bccb->hccb.data_addr); + } + + s = splcam(); + + /* + * Last time we need to check if this CCB needs to + * be aborted. + */ + if (ccb->ccb_h.status != CAM_REQ_INPROG) { + if (nseg != 0) + bus_dmamap_unload(aha->buffer_dmat, bccb->dmamap); + ahafreeccb(aha, bccb); + xpt_done(ccb); + splx(s); + return; + } + + bccb->flags = BCCB_ACTIVE; + ccb->ccb_h.status |= CAM_SIM_QUEUED; + LIST_INSERT_HEAD(&aha->pending_ccbs, &ccb->ccb_h, sim_links.le); + + ccb->ccb_h.timeout_ch = + timeout(ahatimeout, (caddr_t)bccb, + (ccb->ccb_h.timeout * hz) / 1000); + + /* Tell the adapter about this command */ + paddr = ahaccbvtop(aha, bccb); + ahautoa24(paddr, aha->cur_outbox->ccb_addr); + if (aha->cur_outbox->action_code != BMBO_FREE) + panic("%s: Too few mailboxes or to many ccbs???", aha_name(aha)); + aha->cur_outbox->action_code = BMBO_START; + aha_outb(aha, COMMAND_REG, BOP_START_MBOX); + + ahanextoutbox(aha); + splx(s); +} + +void +aha_intr(void *arg) +{ + struct aha_softc *aha; + u_int intstat; + + aha = (struct aha_softc *)arg; + while (((intstat = aha_inb(aha, INTSTAT_REG)) & INTR_PENDING) != 0) { + if ((intstat & CMD_COMPLETE) != 0) { + aha->latched_status = aha_inb(aha, STATUS_REG); + aha->command_cmp = TRUE; + } + + aha_outb(aha, CONTROL_REG, RESET_INTR); + + if ((intstat & IMB_LOADED) != 0) { + while (aha->cur_inbox->comp_code != BMBI_FREE) { + u_int32_t paddr; + paddr = aha_a24tou(aha->cur_inbox->ccb_addr); + ahadone(aha, + ahaccbptov(aha, paddr), + aha->cur_inbox->comp_code); + aha->cur_inbox->comp_code = BMBI_FREE; + ahanextinbox(aha); + } + } + + if ((intstat & SCSI_BUS_RESET) != 0) { + ahareset(aha, /*hardreset*/FALSE); + } + } +} + +static void +ahadone(struct aha_softc *aha, struct aha_ccb *bccb, aha_mbi_comp_code_t comp_code) +{ + union ccb *ccb; + struct ccb_scsiio *csio; + + ccb = bccb->ccb; + csio = &bccb->ccb->csio; + + if ((bccb->flags & BCCB_ACTIVE) == 0) { + printf("%s: ahadone - Attempt to free non-active BCCB 0x%x\n", + aha_name(aha), bccb); + return; + } + + if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { + bus_dmasync_op_t op; + + if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) + op = BUS_DMASYNC_POSTREAD; + else + op = BUS_DMASYNC_POSTWRITE; + bus_dmamap_sync(aha->buffer_dmat, bccb->dmamap, op); + bus_dmamap_unload(aha->buffer_dmat, bccb->dmamap); + } + + if (bccb == aha->recovery_bccb) { + /* + * The recovery BCCB does not have a CCB associated + * with it, so short circuit the normal error handling. + * We now traverse our list of pending CCBs and process + * any that were terminated by the recovery CCBs action. + * We also reinstate timeouts for all remaining, pending, + * CCBs. + */ + struct cam_path *path; + struct ccb_hdr *ccb_h; + cam_status error; + + /* Notify all clients that a BDR occured */ + error = xpt_create_path(&path, /*periph*/NULL, + cam_sim_path(aha->sim), + bccb->hccb.target, + CAM_LUN_WILDCARD); + + if (error == CAM_REQ_CMP) + xpt_async(AC_SENT_BDR, path, NULL); + + ccb_h = LIST_FIRST(&aha->pending_ccbs); + while (ccb_h != NULL) { + struct aha_ccb *pending_bccb; + + pending_bccb = (struct aha_ccb *)ccb_h->ccb_bccb_ptr; + if (pending_bccb->hccb.target == bccb->hccb.target) { + pending_bccb->hccb.ahastat = AHASTAT_HA_BDR; + ccb_h = LIST_NEXT(ccb_h, sim_links.le); + ahadone(aha, pending_bccb, BMBI_ERROR); + } else { + ccb_h->timeout_ch = + timeout(ahatimeout, (caddr_t)pending_bccb, + (ccb_h->timeout * hz) / 1000); + ccb_h = LIST_NEXT(ccb_h, sim_links.le); + } + } + printf("%s: No longer in timeout\n", aha_name(aha)); + return; + } + + untimeout(ahatimeout, bccb, ccb->ccb_h.timeout_ch); + + switch (comp_code) { + case BMBI_FREE: + printf("%s: ahadone - CCB completed with free status!\n", + aha_name(aha)); + break; + case BMBI_NOT_FOUND: + printf("%s: ahadone - CCB Abort failed to find CCB\n", + aha_name(aha)); + break; + case BMBI_ABORT: + case BMBI_ERROR: + /* An error occured */ + switch(bccb->hccb.ahastat) { + case AHASTAT_DATARUN_ERROR: + if (bccb->hccb.data_len <= 0) { + csio->ccb_h.status = CAM_DATA_RUN_ERR; + break; + } + /* FALLTHROUGH */ + case AHASTAT_NOERROR: + csio->scsi_status = bccb->hccb.sdstat; + csio->ccb_h.status |= CAM_SCSI_STATUS_ERROR; + switch(csio->scsi_status) { + case SCSI_STATUS_CHECK_COND: + case SCSI_STATUS_CMD_TERMINATED: + csio->ccb_h.status |= CAM_AUTOSNS_VALID; + /* + * The aha writes the sense data at different + * offsets based on the scsi cmd len + */ + bcopy((caddr_t) &bccb->hccb.scsi_cdb + + bccb->hccb.cmd_len, + (caddr_t) &csio->sense_data, + bccb->hccb.sense_len); + break; + default: + break; + case SCSI_STATUS_OK: + csio->ccb_h.status = CAM_REQ_CMP; + break; + } + csio->resid = aha_a24tou(bccb->hccb.data_len); + break; + case AHASTAT_SELTIMEOUT: + csio->ccb_h.status = CAM_SEL_TIMEOUT; + break; + case AHASTAT_UNEXPECTED_BUSFREE: + csio->ccb_h.status = CAM_UNEXP_BUSFREE; + break; + case AHASTAT_INVALID_PHASE: + csio->ccb_h.status = CAM_SEQUENCE_FAIL; + break; + case AHASTAT_INVALID_ACTION_CODE: + panic("%s: Inavlid Action code", aha_name(aha)); + break; + case AHASTAT_INVALID_OPCODE: + panic("%s: Inavlid CCB Opcode code %x hccb = %p", + aha_name(aha), bccb->hccb.opcode, &bccb->hccb); + break; + case AHASTAT_LINKED_CCB_LUN_MISMATCH: + /* We don't even support linked commands... */ + panic("%s: Linked CCB Lun Mismatch", aha_name(aha)); + break; + case AHASTAT_INVALID_CCB_OR_SG_PARAM: + panic("%s: Invalid CCB or SG list", aha_name(aha)); + break; + case AHASTAT_HA_SCSI_BUS_RESET: + if ((csio->ccb_h.status & CAM_STATUS_MASK) + != CAM_CMD_TIMEOUT) + csio->ccb_h.status = CAM_SCSI_BUS_RESET; + break; + case AHASTAT_HA_BDR: + if ((bccb->flags & BCCB_DEVICE_RESET) == 0) + csio->ccb_h.status = CAM_BDR_SENT; + else + csio->ccb_h.status = CAM_CMD_TIMEOUT; + break; + } + if (csio->ccb_h.status != CAM_REQ_CMP) { + xpt_freeze_devq(csio->ccb_h.path, /*count*/1); + csio->ccb_h.status |= CAM_DEV_QFRZN; + } + if ((bccb->flags & BCCB_RELEASE_SIMQ) != 0) + ccb->ccb_h.status |= CAM_RELEASE_SIMQ; + ahafreeccb(aha, bccb); + xpt_done(ccb); + break; + case BMBI_OK: + /* All completed without incident */ + /* XXX DO WE NEED TO COPY SENSE BYTES HERE???? XXX */ + ccb->ccb_h.status |= CAM_REQ_CMP; + if ((bccb->flags & BCCB_RELEASE_SIMQ) != 0) + ccb->ccb_h.status |= CAM_RELEASE_SIMQ; + ahafreeccb(aha, bccb); + xpt_done(ccb); + break; + } +} + +static int +ahareset(struct aha_softc* aha, int hard_reset) +{ + struct ccb_hdr *ccb_h; + u_int status; + u_int timeout; + u_int8_t reset_type; + + if (hard_reset != 0) + reset_type = HARD_RESET; + else + reset_type = SOFT_RESET; + aha_outb(aha, CONTROL_REG, reset_type); + + /* Wait 5sec. for Diagnostic start */ + timeout = 5 * 10000; + while (--timeout) { + status = aha_inb(aha, STATUS_REG); + if ((status & DIAG_ACTIVE) != 0) + break; + DELAY(100); + } + if (timeout == 0) { + if (bootverbose) + printf("%s: ahareset - Diagnostic Active failed to " + "assert. status = 0x%x\n", aha_name(aha), + status); + return (ETIMEDOUT); + } + + /* Wait 10sec. for Diagnostic end */ + timeout = 10 * 10000; + while (--timeout) { + status = aha_inb(aha, STATUS_REG); + if ((status & DIAG_ACTIVE) == 0) + break; + DELAY(100); + } + if (timeout == 0) { + panic("%s: ahareset - Diagnostic Active failed to drop. " + "status = 0x%x\n", aha_name(aha), status); + return (ETIMEDOUT); + } + + /* Wait for the host adapter to become ready or report a failure */ + timeout = 10000; + while (--timeout) { + status = aha_inb(aha, STATUS_REG); + if ((status & (DIAG_FAIL|HA_READY|DATAIN_REG_READY)) != 0) + break; + DELAY(100); + } + if (timeout == 0) { + printf("%s: ahareset - Host adapter failed to come ready. " + "status = 0x%x\n", aha_name(aha), status); + return (ETIMEDOUT); + } + + /* If the diagnostics failed, tell the user */ + if ((status & DIAG_FAIL) != 0 + || (status & HA_READY) == 0) { + printf("%s: ahareset - Adapter failed diagnostics\n", + aha_name(aha)); + + if ((status & DATAIN_REG_READY) != 0) + printf("%s: ahareset - Host Adapter Error code = 0x%x\n", + aha_inb(aha, DATAIN_REG)); + return (ENXIO); + } + + /* If we've allocated mailboxes, initialize them */ + if (aha->init_level > 4) + ahainitmboxes(aha); + + /* If we've attached to the XPT, tell it about the event */ + if (aha->path != NULL) + xpt_async(AC_BUS_RESET, aha->path, NULL); + + /* + * Perform completion processing for all outstanding CCBs. + */ + while ((ccb_h = LIST_FIRST(&aha->pending_ccbs)) != NULL) { + struct aha_ccb *pending_bccb; + + pending_bccb = (struct aha_ccb *)ccb_h->ccb_bccb_ptr; + pending_bccb->hccb.ahastat = AHASTAT_HA_SCSI_BUS_RESET; + ahadone(aha, pending_bccb, BMBI_ERROR); + } + + return (0); +} + +/* + * Send a command to the adapter. + */ +int +aha_cmd(struct aha_softc *aha, aha_op_t opcode, u_int8_t *params, + u_int param_len, u_int8_t *reply_data, u_int reply_len, + u_int cmd_timeout) +{ + u_int timeout; + u_int status; + u_int intstat; + u_int reply_buf_size; + int s; + + /* No data returned to start */ + reply_buf_size = reply_len; + reply_len = 0; + intstat = 0; + + aha->command_cmp = 0; + /* + * Wait up to 1 sec. for the adapter to become + * ready to accept commands. + */ + timeout = 10000; + while (--timeout) { + + status = aha_inb(aha, STATUS_REG); + if ((status & HA_READY) != 0 + && (status & CMD_REG_BUSY) == 0) + break; + DELAY(100); + } + if (timeout == 0) { + printf("%s: aha_cmd: Timeout waiting for adapter ready, " + "status = 0x%x\n", aha_name(aha), status); + return (ETIMEDOUT); + } + + /* + * Send the opcode followed by any necessary parameter bytes. + */ + aha_outb(aha, COMMAND_REG, opcode); + + /* + * Wait for up to 1sec to get the parameter list sent + */ + timeout = 10000; + while (param_len && --timeout) { + DELAY(100); + status = aha_inb(aha, STATUS_REG); + intstat = aha_inb(aha, INTSTAT_REG); + if ((intstat & (INTR_PENDING|CMD_COMPLETE)) + == (INTR_PENDING|CMD_COMPLETE)) + break; + if (aha->command_cmp != 0) { + status = aha->latched_status; + break; + } + if ((status & DATAIN_REG_READY) != 0) + break; + if ((status & CMD_REG_BUSY) == 0) { + aha_outb(aha, COMMAND_REG, *params++); + param_len--; + } + } + if (timeout == 0) { + printf("%s: aha_cmd: Timeout sending parameters, " + "status = 0x%x\n", aha_name(aha), status); + return (ETIMEDOUT); + } + + /* + * For all other commands, we wait for any output data + * and the final comand completion interrupt. + */ + while (--cmd_timeout) { + + status = aha_inb(aha, STATUS_REG); + intstat = aha_inb(aha, INTSTAT_REG); + if ((intstat & (INTR_PENDING|CMD_COMPLETE)) + == (INTR_PENDING|CMD_COMPLETE)) + break; + + if (aha->command_cmp != 0) { + status = aha->latched_status; + break; + } + + if ((status & DATAIN_REG_READY) != 0) { + u_int8_t data; + + data = aha_inb(aha, DATAIN_REG); + if (reply_len < reply_buf_size) { + *reply_data++ = data; + } else { + printf("%s: aha_cmd - Discarded reply data byte " + "for opcode 0x%x\n", aha_name(aha), + opcode); + } + reply_len++; + } + + DELAY(100); + } + if (timeout == 0) { + printf("%s: aha_cmd: Timeout waiting for reply data and " + "command complete.\n%s: status = 0x%x, intstat = 0x%x, " + "reply_len = %d\n", aha_name(aha), aha_name(aha), status, + intstat, reply_len); + return (ETIMEDOUT); + } + + /* + * Clear any pending interrupts. Block interrupts so our + * interrupt handler is not re-entered. + */ + s = splcam(); + aha_intr(aha); + splx(s); + + /* + * If the command was rejected by the controller, tell the caller. + */ + if ((status & CMD_INVALID) != 0) { + if (bootverbose) + printf("%s: Invalid Command 0x%x\n", aha_name(aha), + opcode); + /* + * Some early adapters may not recover properly from + * an invalid command. If it appears that the controller + * has wedged (i.e. status was not cleared by our interrupt + * reset above), perform a soft reset. + */ + DELAY(1000); + status = aha_inb(aha, STATUS_REG); + if ((status & (CMD_INVALID|STATUS_REG_RSVD|DATAIN_REG_READY| + CMD_REG_BUSY|DIAG_FAIL|DIAG_ACTIVE)) != 0 + || (status & (HA_READY|INIT_REQUIRED)) + != (HA_READY|INIT_REQUIRED)) { + ahareset(aha, /*hard_reset*/FALSE); + } + return (EINVAL); + } + + + if (param_len > 0) { + /* The controller did not accept the full argument list */ + return (E2BIG); + } + + if (reply_len != reply_buf_size) { + /* Too much or too little data received */ + return (EMSGSIZE); + } + + /* We were successful */ + return (0); +} + +static int +ahainitmboxes(struct aha_softc *aha) +{ + int error; + init_24b_mbox_params_t init_mbox; + + bzero(aha->in_boxes, sizeof(aha_mbox_in_t) * aha->num_boxes); + bzero(aha->out_boxes, sizeof(aha_mbox_out_t) * aha->num_boxes); + aha->cur_inbox = aha->in_boxes; + aha->last_inbox = aha->in_boxes + aha->num_boxes - 1; + aha->cur_outbox = aha->out_boxes; + aha->last_outbox = aha->out_boxes + aha->num_boxes - 1; + + /* Tell the adapter about them */ + init_mbox.num_mboxes = aha->num_boxes; + ahautoa24(aha->mailbox_physbase, init_mbox.base_addr); + error = aha_cmd(aha, BOP_INITIALIZE_MBOX, (u_int8_t *)&init_mbox, + /*parmlen*/sizeof(init_mbox), /*reply_buf*/NULL, + /*reply_len*/0, DEFAULT_CMD_TIMEOUT); + + if (error != 0) + printf("ahainitmboxes: Initialization command failed\n"); + return (error); +} + +/* + * Update the XPT's idea of the negotiated transfer + * parameters for a particular target. + */ +static void +ahafetchtransinfo(struct aha_softc *aha, struct ccb_trans_settings* cts) +{ + setup_data_t setup_info; + u_int target; + u_int targ_offset; + u_int sync_period; + int error; + u_int8_t param; + targ_syncinfo_t sync_info; + + target = cts->ccb_h.target_id; + targ_offset = (target & 0x7); + + /* + * Inquire Setup Information. This command retreives the + * Wide negotiation status for recent adapters as well as + * the sync info for older models. + */ + param = sizeof(setup_info); + error = aha_cmd(aha, BOP_INQUIRE_SETUP_INFO, ¶m, /*paramlen*/1, + (u_int8_t*)&setup_info, sizeof(setup_info), + DEFAULT_CMD_TIMEOUT); + + if (error != 0) { + printf("%s: ahafetchtransinfo - Inquire Setup Info Failed\n", + aha_name(aha)); + return; + } + + sync_info = setup_info.syncinfo[targ_offset]; + + if (sync_info.sync == 0) + cts->sync_offset = 0; + else + cts->sync_offset = sync_info.offset; + + cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; + + sync_period = 2000 + (500 * sync_info.period); + + /* Convert ns value to standard SCSI sync rate */ + if (cts->sync_offset != 0) + cts->sync_period = scsi_calc_syncparam(sync_period); + else + cts->sync_period = 0; + + cts->valid = CCB_TRANS_SYNC_RATE_VALID + | CCB_TRANS_SYNC_OFFSET_VALID + | CCB_TRANS_BUS_WIDTH_VALID; + xpt_async(AC_TRANSFER_NEG, cts->ccb_h.path, cts); +} + +static void +ahamapmboxes(void *arg, bus_dma_segment_t *segs, int nseg, int error) +{ + struct aha_softc* aha; + + aha = (struct aha_softc*)arg; + aha->mailbox_physbase = segs->ds_addr; +} + +static void +ahamapccbs(void *arg, bus_dma_segment_t *segs, int nseg, int error) +{ + struct aha_softc* aha; + + aha = (struct aha_softc*)arg; + aha->aha_ccb_physbase = segs->ds_addr; +} + +static void +ahamapsgs(void *arg, bus_dma_segment_t *segs, int nseg, int error) +{ + + struct aha_softc* aha; + + aha = (struct aha_softc*)arg; + SLIST_FIRST(&aha->sg_maps)->sg_physaddr = segs->ds_addr; +} + +static void +ahapoll(struct cam_sim *sim) +{ +} + +void +ahatimeout(void *arg) +{ + struct aha_ccb *bccb; + union ccb *ccb; + struct aha_softc *aha; + int s; + u_int32_t paddr; + + bccb = (struct aha_ccb *)arg; + ccb = bccb->ccb; + aha = (struct aha_softc *)ccb->ccb_h.ccb_aha_ptr; + xpt_print_path(ccb->ccb_h.path); + printf("CCB 0x%x - timed out\n", bccb); + + s = splcam(); + + if ((bccb->flags & BCCB_ACTIVE) == 0) { + xpt_print_path(ccb->ccb_h.path); + printf("CCB 0x%x - timed out CCB already completed\n", bccb); + splx(s); + return; + } + + /* + * In order to simplify the recovery process, we ask the XPT + * layer to halt the queue of new transactions and we traverse + * the list of pending CCBs and remove their timeouts. This + * means that the driver attempts to clear only one error + * condition at a time. In general, timeouts that occur + * close together are related anyway, so there is no benefit + * in attempting to handle errors in parrallel. Timeouts will + * be reinstated when the recovery process ends. + */ + if ((bccb->flags & BCCB_DEVICE_RESET) == 0) { + struct ccb_hdr *ccb_h; + + if ((bccb->flags & BCCB_RELEASE_SIMQ) == 0) { + xpt_freeze_simq(aha->sim, /*count*/1); + bccb->flags |= BCCB_RELEASE_SIMQ; + } + + ccb_h = LIST_FIRST(&aha->pending_ccbs); + while (ccb_h != NULL) { + struct aha_ccb *pending_bccb; + + pending_bccb = (struct aha_ccb *)ccb_h->ccb_bccb_ptr; + untimeout(ahatimeout, pending_bccb, ccb_h->timeout_ch); + ccb_h = LIST_NEXT(ccb_h, sim_links.le); + } + } + + if ((bccb->flags & BCCB_DEVICE_RESET) != 0 + || aha->cur_outbox->action_code != BMBO_FREE) { + /* + * Try a full host adapter/SCSI bus reset. + * We do this only if we have already attempted + * to clear the condition with a BDR, or we cannot + * attempt a BDR for lack of mailbox resources. + */ + ccb->ccb_h.status = CAM_CMD_TIMEOUT; + ahareset(aha, /*hardreset*/TRUE); + printf("%s: No longer in timeout\n", aha_name(aha)); + } else { + /* + * Send a Bus Device Reset message: + * The target that is holding up the bus may not + * be the same as the one that triggered this timeout + * (different commands have different timeout lengths), + * but we have no way of determining this from our + * timeout handler. Our strategy here is to queue a + * BDR message to the target of the timed out command. + * If this fails, we'll get another timeout 2 seconds + * later which will attempt a bus reset. + */ + bccb->flags |= BCCB_DEVICE_RESET; + ccb->ccb_h.timeout_ch = timeout(ahatimeout, (caddr_t)bccb, 2 * hz); + aha->recovery_bccb->hccb.opcode = INITIATOR_BUS_DEV_RESET; + + /* No Data Transfer */ + aha->recovery_bccb->hccb.datain = TRUE; + aha->recovery_bccb->hccb.dataout = TRUE; + aha->recovery_bccb->hccb.ahastat = 0; + aha->recovery_bccb->hccb.sdstat = 0; + aha->recovery_bccb->hccb.target = ccb->ccb_h.target_id; + + /* Tell the adapter about this command */ + paddr = ahaccbvtop(aha, aha->recovery_bccb); + ahautoa24(paddr, aha->cur_outbox->ccb_addr); + aha->cur_outbox->action_code = BMBO_START; + aha_outb(aha, COMMAND_REG, BOP_START_MBOX); + ahanextoutbox(aha); + } + + splx(s); +} diff --git a/sys/dev/aha/aha_isa.c b/sys/dev/aha/aha_isa.c new file mode 100644 index 0000000..3a1a91d --- /dev/null +++ b/sys/dev/aha/aha_isa.c @@ -0,0 +1,229 @@ +/* + * Product specific probe and attach routines for: + * Adaptec 154x. + * + * Derived from code written by: + * + * Copyright (c) 1998 Justin T. Gibbs + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification, immediately at the beginning of the file. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include +#include + +#include +#include + +#include +#include + +#include + +#include "ioconf.h" + +static int aha_isa_probe __P((struct isa_device *dev)); +static int aha_isa_attach __P((struct isa_device *dev)); +static void aha_isa_intr __P((void *unit)); + +struct isa_driver ahadriver = +{ + aha_isa_probe, + aha_isa_attach, + "aha" +}; + +/* + * Check if the device can be found at the port given + * and if so, set it up ready for further work + * as an argument, takes the isa_device structure from + * autoconf.c + */ +static int +aha_isa_probe(dev) + struct isa_device *dev; +{ + /* + * find unit and check we have that many defined + */ + struct aha_softc *aha; + int port_index; + int max_port_index; + + /* + * We ignore the unit number assigned by config to allow + * consistant numbering between PCI/EISA/ISA devices. + * This is a total kludge until we have a configuration + * manager. + */ + dev->id_unit = aha_unit; + + aha = NULL; + port_index = 0; + max_port_index = AHA_NUM_ISAPORTS - 1; + /* + * Bound our board search if the user has + * specified an exact port. + */ + if (dev->id_iobase > 0) { + for (;port_index <= max_port_index; port_index++) + if (dev->id_iobase >= aha_isa_ports[port_index].addr) + break; + if ((port_index > max_port_index) + || (dev->id_iobase != aha_isa_ports[port_index].addr)) { + printf(" +aha_isa_probe: Invalid baseport of 0x%x specified. +aha_isa_probe: Nearest valid baseport is 0x%x. +aha_isa_probe: Failing probe.\n", + dev->id_iobase, + (port_index <= max_port_index) + ? aha_isa_ports[port_index].addr + : aha_isa_ports[max_port_index].addr); + return 0; + } + } + + /* Attempt to find an adapter */ + for (;port_index <= max_port_index; port_index++) { + config_data_t config_data; + u_int ioport; + int error; + + ioport = aha_isa_ports[port_index].addr; + + /* + * Ensure this port has not already been claimed already + * by a PCI or EISA adapter. + */ + if (aha_check_probed_iop(ioport) != 0) + continue; + + /* Allocate a softc for use during probing */ + aha = aha_alloc(dev->id_unit, I386_BUS_SPACE_IO, ioport); + + if (aha == NULL) + break; + + /* We're going to attempt to probe it now, so mark it probed */ + aha_mark_probed_bio(port_index); + + /* See if there is really a card present */ + if (aha_probe(aha) || aha_fetch_adapter_info(aha)) { + aha_free(aha); + continue; + } + + /* + * Determine our IRQ, and DMA settings and + * export them to the configuration system. + */ + error = aha_cmd(aha, BOP_INQUIRE_CONFIG, NULL, /*parmlen*/0, + (u_int8_t*)&config_data, sizeof(config_data), + DEFAULT_CMD_TIMEOUT); + if (error != 0) { + printf("aha_isa_probe: Could not determine IRQ or DMA " + "settings for adapter at 0x%x. Failing probe\n", + ioport); + aha_free(aha); + continue; + } + + switch (config_data.dma_chan) { + case DMA_CHAN_5: + dev->id_drq = 5; + break; + case DMA_CHAN_6: + dev->id_drq = 6; + break; + case DMA_CHAN_7: + dev->id_drq = 7; + break; + default: + printf("aha_isa_probe: Invalid DMA setting " + "detected for adapter at 0x%x. " + "Failing probe\n", ioport); + } + dev->id_iobase = aha_isa_ports[port_index].addr; + dev->id_irq = (config_data.irq << 9); + dev->id_intr = aha_isa_intr; + aha_unit++; + return (AHA_NREGS); + } + + return (0); +} + +/* + * Attach all the sub-devices we can find + */ +static int +aha_isa_attach(dev) + struct isa_device *dev; +{ + struct aha_softc *aha; + bus_dma_filter_t *filter; + void *filter_arg; + bus_addr_t lowaddr; + + aha = aha_softcs[dev->id_unit]; + if (dev->id_drq != -1) + isa_dmacascade(dev->id_drq); + + /* Allocate our parent dmatag */ + filter = NULL; + filter_arg = NULL; + lowaddr = BUS_SPACE_MAXADDR_24BIT; + + if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0, + lowaddr, /*highaddr*/BUS_SPACE_MAXADDR, + filter, filter_arg, + /*maxsize*/BUS_SPACE_MAXSIZE_24BIT, + /*nsegments*/BUS_SPACE_UNRESTRICTED, + /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT, + /*flags*/0, &aha->parent_dmat) != 0) { + aha_free(aha); + return (-1); + } + + if (aha_init(aha)) { + printf("aha init failed\n"); + aha_free(aha); + return (-1); + } + + return (aha_attach(aha)); +} + +/* + * Handle an ISA interrupt. + * XXX should go away as soon as ISA interrupt handlers + * take a (void *) arg. + */ +static void +aha_isa_intr(void *unit) +{ + struct aha_softc* arg = aha_softcs[(int)unit]; + aha_intr((void *)arg); +} diff --git a/sys/dev/aha/ahareg.h b/sys/dev/aha/ahareg.h new file mode 100644 index 0000000..30c9b7a --- /dev/null +++ b/sys/dev/aha/ahareg.h @@ -0,0 +1,464 @@ +/* + * Generic register and struct definitions for the Adaptech 154x/164x + * SCSI host adapters. Product specific probe and attach routines can + * be found in: + * + * + * Derived from bt.c written by: + * + * Copyright (c) 1998 Justin T. Gibbs. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification, immediately at the beginning of the file. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#ifndef _AHAREG_H_ +#define _AHAREG_H_ + +#include "aha.h" + +#include +#include + +#define AHA_MAXTRANSFER_SIZE 0xffffff /* limited by 24bit counter */ +#define AHA_NSEG 17 /* The number of dma segments + * supported. */ +#define ALL_TARGETS (~0) + +/* + * Control Register pp. 1-8, 1-9 (Write Only) + */ +#define CONTROL_REG 0x00 +#define HARD_RESET 0x80 /* Hard Reset - return to POST state */ +#define SOFT_RESET 0x40 /* Soft Reset - Clears Adapter state */ +#define RESET_INTR 0x20 /* Reset/Ack Interrupt */ +#define RESET_SBUS 0x10 /* Drive SCSI bus reset signal */ + +/* + * Status Register pp. 1-9, 1-10 (Read Only) + */ +#define STATUS_REG 0x00 +#define DIAG_ACTIVE 0x80 /* Performing Internal Diags */ +#define DIAG_FAIL 0x40 /* Internal Diags failed */ +#define INIT_REQUIRED 0x20 /* MBOXes need initialization */ +#define HA_READY 0x10 /* HA ready for new commands */ +#define CMD_REG_BUSY 0x08 /* HA busy with last cmd byte */ +#define DATAIN_REG_READY 0x04 /* Data-in Byte available */ +#define STATUS_REG_RSVD 0x02 +#define CMD_INVALID 0x01 /* Invalid Command detected */ + +/* + * Command/Parameter Register pp. 1-10, 1-11 (Write Only) + */ +#define COMMAND_REG 0x01 + +/* + * Data in Register p. 1-11 (Read Only) + */ +#define DATAIN_REG 0x01 + +/* + * Interrupt Status Register pp. 1-12 -> 1-14 (Read Only) + */ +#define INTSTAT_REG 0x02 +#define INTR_PENDING 0x80 /* There is a pending INTR */ +#define INTSTAT_REG_RSVD 0x70 +#define SCSI_BUS_RESET 0x08 /* Bus Reset detected */ +#define CMD_COMPLETE 0x04 +#define OMB_READY 0x02 /* Outgoin Mailbox Ready */ +#define IMB_LOADED 0x01 /* Incoming Mailbox loaded */ + +/* + * Definitions for the "undocumented" geometry register + */ +typedef enum { + GEOM_NODISK, + GEOM_64x32, + GEOM_128x32, + GEOM_255x32 +} disk_geom_t; + +#define GEOMETRY_REG 0x03 +#define DISK0_GEOMETRY 0x03 +#define DISK1_GEOMETRY 0x0c +#define EXTENDED_TRANSLATION 0x10 +#define GEOMETRY_DISK0(g_reg) (greg & DISK0_GEOMETRY) +#define GEOMETRY_DISK1(g_reg) ((greg & DISK1_GEOMETRY) >> 2) + +#define AHA_NREGS (4) + +/* + * Opcodes for Adapter commands. + */ +typedef enum { + BOP_NOP = 0x00, + BOP_INITIALIZE_MBOX = 0x01, + BOP_START_MBOX = 0x02, + BOP_EXECUTE_BIOS_CMD = 0x03, + BOP_INQUIRE_BOARD_ID = 0x04, + BOP_ENABLE_OMBR_INT = 0x05, + BOP_SET_SEL_TIMOUT = 0x06, + BOP_SET_TIME_ON_BUS = 0x07, + BOP_SET_TIME_OFF_BUS = 0x08, + BOP_SET_BUS_TRANS_RATE = 0x09, + BOP_INQUIRE_INST_LDEVS = 0x0A, + BOP_INQUIRE_CONFIG = 0x0B, + BOP_ENABLE_TARGET_MODE = 0x0C, + BOP_INQUIRE_SETUP_INFO = 0x0D, + BOP_WRITE_LRAM = 0x1A, + BOP_READ_LRAM = 0x1B, + BOP_WRITE_CHIP_FIFO = 0x1C, + BOP_READ_CHIP_FIFO = 0x1D, + BOP_ECHO_DATA_BYTE = 0x1F, + BOP_ADAPTER_DIAGNOSTICS = 0x20, + BOP_SET_ADAPTER_OPTIONS = 0x21, + BOP_SET_EEPROM = 0x22, + BOP_RETURN_EEPROM = 0x23, + BOP_ENABLE_SHADOW_RAM = 0x24, + BOP_INIT_BIOS_MBOX = 0x25, + BOP_SET_BIOS_BANK_1 = 0x26, + BOP_SET_BIOS_BANK_2 = 0x27, + BOP_RETURN_EXT_BIOS_INFO= 0x28, + BOP_MBOX_IF_ENABLE = 0x29, + BOP_SCSI_TERM_STATUS = 0x2C, + BOP_INQUIRE_SCAM_DEV = 0x2D, + BOP_SCSI_DEV_TABLE = 0x2E, + BOP_SCAM_OP = 0x2F, + BOP_START_BIOS_CMD = 0x82, + BOP_INQUIRE_ESETUP_INFO = 0x8D +} aha_op_t; + +/************** Definitions of Multi-byte commands and responses ************/ + +struct aha_extbios +{ + u_int8_t flags; /* Bit 3 == 1 extended bios enabled */ + u_int8_t mailboxlock; /* mail box lock code to unlock it */ +}; + +/* This is really a bustech command, but we use it to differentiate between */ +/* the aha and bt */ +typedef struct { + u_int8_t bus_type; + u_int8_t bios_addr; + u_int16_t max_sg; + u_int8_t num_mboxes; + u_int8_t mbox_base[4]; + u_int8_t :2, + sync_neg10MB :1, + floppy_disable :1, + floppy_secondary_port :1, + burst_mode_enabled :1, + level_trigger_ints :1, + :1; + u_int8_t fw_ver_bytes_2_to_4[3]; + u_int8_t wide_bus :1, + diff_bus :1, + scam_capable :1, + ultra_scsi :1, + auto_term :1, + :3; +} esetup_info_data_t; + +typedef struct { + u_int8_t num_mboxes; + u_int8_t base_addr[3]; +} init_24b_mbox_params_t; + +typedef struct { + u_int8_t board_type; +/* These values are mostly from the aha-1540CP technical reference, but */ +/* with other values from the old aha1542.c driver. */ +#define BOARD_1540_16HEAD_BIOS 0x00 +#define BOARD_1540_64HEAD_BIOS 0x30 +#define BOARD_1542 0x41 /* aha-1540/1542 w/64-h bios */ +#define BOARD_1640 0x42 /* aha-1640 */ +#define BOARD_1740 0x43 /* aha-1740A/1742A/1744 */ +#define BOARD_1542C 0x44 /* aha-1542C */ +#define BOARD_1542CF 0x45 /* aha-1542CF */ +#define BOARD_1542CP 0x46 /* aha-1542CP, plug and play */ + u_int8_t cust_features; +#define FEATURES_STANDARD 0x30 + u_int8_t firmware_rev_major; + u_int8_t firmware_rev_minor; +} board_id_data_t; + +typedef struct { + u_int8_t dma_chan; +#define DMA_CHAN_5 0x20 +#define DMA_CHAN_6 0x40 +#define DMA_CHAN_7 0x80 + u_int8_t irq; +#define IRQ_9 0x01 +#define IRQ_10 0x02 +#define IRQ_11 0x04 +#define IRQ_12 0x08 +#define IRQ_14 0x20 +#define IRQ_15 0x40 + u_int8_t scsi_id; +} config_data_t; + +typedef struct { + u_int8_t enable; +} target_mode_params_t; + +typedef struct { + u_int8_t offset : 4, + period : 3, + sync : 1; +} targ_syncinfo_t; + +typedef struct { + u_int8_t initiate_sync : 1, + parity_enable : 1, + : 6; + + u_int8_t bus_transfer_rate; + u_int8_t time_on_bus; + u_int8_t time_off_bus; + u_int8_t num_mboxes; + u_int8_t mbox_base_addr[3]; + targ_syncinfo_t syncinfo[8]; + u_int8_t discinfo; + u_int8_t customer_sig[20]; + u_int8_t auto_retry; + u_int8_t board_switches; + u_int8_t firmware_cksum[2]; + u_int8_t bios_mbox_addr[3]; +} setup_data_t; + +struct aha_isa_port { + u_int16_t addr; + u_int8_t probed; +}; + +extern struct aha_isa_port aha_isa_ports[]; + +#define AHA_NUM_ISAPORTS 6 + +typedef enum { + BIO_330 = 0, + BIO_334 = 1, + BIO_230 = 2, + BIO_234 = 3, + BIO_130 = 4, + BIO_134 = 5, + BIO_DISABLED = 6, + BIO_DISABLED2 = 7 +} isa_compat_io_t; + +typedef struct { + u_int8_t sync_rate[16]; /* Sync in 10ns units */ +} target_sync_info_data_t; + +typedef struct { + u_int8_t len[3]; + u_int8_t addr[3]; +} aha_sg_t; + +/********************** Mail Box definitions *******************************/ + +typedef enum { + BMBO_FREE = 0x0, /* MBO intry is free */ + BMBO_START = 0x1, /* MBO activate entry */ + BMBO_ABORT = 0x2 /* MBO abort entry */ +} aha_mbo_action_code_t; + +typedef struct aha_mbox_out { + u_int8_t action_code; + u_int8_t ccb_addr[3]; +} aha_mbox_out_t; + +typedef enum { + BMBI_FREE = 0x0, /* MBI entry is free */ + BMBI_OK = 0x1, /* completed without error */ + BMBI_ABORT = 0x2, /* aborted ccb */ + BMBI_NOT_FOUND = 0x3, /* Tried to abort invalid CCB */ + BMBI_ERROR = 0x4 /* Completed with error */ +} aha_mbi_comp_code_t; + +typedef struct aha_mbox_in { + u_int8_t comp_code; + u_int8_t ccb_addr[3]; +} aha_mbox_in_t; + +/****************** Hardware CCB definition *********************************/ +typedef enum { + INITIATOR_CCB = 0x00, + INITIATOR_SG_CCB = 0x02, + INITIATOR_CCB_WRESID = 0x03, + INITIATOR_SG_CCB_WRESID = 0x04, + INITIATOR_BUS_DEV_RESET = 0x81 +} aha_ccb_opcode_t; + +typedef enum { + AHASTAT_NOERROR = 0x00, + AHASTAT_SELTIMEOUT = 0x11, + AHASTAT_DATARUN_ERROR = 0x12, + AHASTAT_UNEXPECTED_BUSFREE = 0x13, + AHASTAT_INVALID_PHASE = 0x14, + AHASTAT_INVALID_ACTION_CODE = 0x15, + AHASTAT_INVALID_OPCODE = 0x16, + AHASTAT_LINKED_CCB_LUN_MISMATCH = 0x17, + AHASTAT_INVALID_CCB_OR_SG_PARAM = 0x1A, + AHASTAT_HA_SCSI_BUS_RESET = 0x22, /* stolen from bt */ + AHASTAT_HA_BDR = 0x25 /* Stolen from bt */ +} ahastat_t; + +struct aha_hccb { + u_int8_t opcode; /* 0 */ + u_int8_t lun : 3, /* 1 */ + datain : 1, + dataout : 1, + target : 3; + u_int8_t cmd_len; /* 2 */ + u_int8_t sense_len; /* 3 */ + u_int8_t data_len[3]; /* 4 */ + u_int8_t data_addr[3]; /* 7 */ + u_int8_t link_ptr[3]; /* 10 */ + u_int8_t link_id; /* 13 */ + u_int8_t ahastat; /* 14 */ + u_int8_t sdstat; /* 15 */ + u_int8_t reserved1; /* 16 */ + u_int8_t reserved2; /* 17 */ + u_int8_t scsi_cdb[16]; /* 18 */ + u_int8_t sense_data[SSD_FULL_SIZE]; +}; + +typedef enum { + BCCB_FREE = 0x0, + BCCB_ACTIVE = 0x1, + BCCB_DEVICE_RESET = 0x2, + BCCB_RELEASE_SIMQ = 0x4 +} bccb_flags_t; + +struct aha_ccb { + struct aha_hccb hccb; /* hccb assumed to be at 0 */ + SLIST_ENTRY(aha_ccb) links; + u_int32_t flags; + union ccb *ccb; + bus_dmamap_t dmamap; + aha_sg_t *sg_list; + u_int32_t sg_list_phys; +}; + +struct sg_map_node { + bus_dmamap_t sg_dmamap; + bus_addr_t sg_physaddr; + aha_sg_t* sg_vaddr; + SLIST_ENTRY(sg_map_node) links; +}; + +struct aha_softc { + bus_space_tag_t tag; + bus_space_handle_t bsh; + struct cam_sim *sim; + struct cam_path *path; + aha_mbox_out_t *cur_outbox; + aha_mbox_in_t *cur_inbox; + aha_mbox_out_t *last_outbox; + aha_mbox_in_t *last_inbox; + struct aha_ccb *aha_ccb_array; + SLIST_HEAD(,aha_ccb) free_aha_ccbs; + LIST_HEAD(,ccb_hdr) pending_ccbs; + u_int32_t aha_ccb_physbase; + aha_mbox_in_t *in_boxes; + aha_mbox_out_t *out_boxes; + struct scsi_sense_data *sense_buffers; + u_int32_t sense_buffers_physbase; + struct aha_ccb *recovery_bccb; + u_int num_boxes; + bus_dma_tag_t parent_dmat; /* + * All dmat's derive from + * the dmat defined by our + * bus. + */ + bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */ + bus_dma_tag_t mailbox_dmat; /* dmat for our mailboxes */ + bus_dmamap_t mailbox_dmamap; + bus_dma_tag_t ccb_dmat; /* dmat for our ccb array */ + bus_dmamap_t ccb_dmamap; + bus_dma_tag_t sg_dmat; /* dmat for our sg maps */ + SLIST_HEAD(, sg_map_node) sg_maps; + bus_addr_t mailbox_physbase; + u_int num_ccbs; /* Number of CCBs malloc'd */ + u_int max_ccbs; /* Maximum allocatable CCBs */ + u_int max_sg; + u_int unit; + u_int scsi_id; + u_int32_t extended_trans :1, + wide_bus :1, + diff_bus :1, + ultra_scsi :1, + extended_lun :1, + strict_rr :1, + tag_capable :1, + wide_lun_ccb :1, + resource_shortage:1, + :23; + u_int16_t tags_permitted; + u_int16_t disc_permitted; + u_int16_t sync_permitted; + u_int16_t fast_permitted; + u_int16_t ultra_permitted; + u_int16_t wide_permitted; + u_int8_t init_level; + volatile u_int8_t command_cmp; + volatile u_int8_t latched_status; + u_int32_t bios_addr; + char firmware_ver[6]; + char model[32]; + u_int8_t boardid; +}; + +extern struct aha_softc *aha_softcs[]; /* XXX Config should handle this */ +extern u_long aha_unit; + +#define AHA_TEMP_UNIT 0xFF /* Unit for probes */ +struct aha_softc* aha_alloc(int unit, bus_space_tag_t tag, + bus_space_handle_t bsh); +void aha_free(struct aha_softc *aha); +int aha_probe(struct aha_softc *aha); +int aha_fetch_adapter_info(struct aha_softc *aha); +int aha_init(struct aha_softc *aha); +int aha_attach(struct aha_softc *aha); +void aha_intr(void *arg); +char * aha_name(struct aha_softc *aha); +int aha_check_probed_iop(u_int ioport); +void aha_mark_probed_bio(isa_compat_io_t port); +void aha_mark_probed_iop(u_int ioport); + +#define DEFAULT_CMD_TIMEOUT 10000 /* 1 sec */ +int aha_cmd(struct aha_softc *aha, aha_op_t opcode, + u_int8_t *params, u_int param_len, + u_int8_t *reply_data, u_int reply_len, + u_int cmd_timeout); + +#define aha_inb(aha, port) \ + bus_space_read_1((aha)->tag, (aha)->bsh, port) + +#define aha_outb(aha, port, value) \ + bus_space_write_1((aha)->tag, (aha)->bsh, port, value) + +#endif /* _AHA_H_ */ diff --git a/sys/i386/isa/aha_isa.c b/sys/i386/isa/aha_isa.c new file mode 100644 index 0000000..3a1a91d --- /dev/null +++ b/sys/i386/isa/aha_isa.c @@ -0,0 +1,229 @@ +/* + * Product specific probe and attach routines for: + * Adaptec 154x. + * + * Derived from code written by: + * + * Copyright (c) 1998 Justin T. Gibbs + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification, immediately at the beginning of the file. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ + +#include +#include + +#include +#include + +#include +#include + +#include + +#include "ioconf.h" + +static int aha_isa_probe __P((struct isa_device *dev)); +static int aha_isa_attach __P((struct isa_device *dev)); +static void aha_isa_intr __P((void *unit)); + +struct isa_driver ahadriver = +{ + aha_isa_probe, + aha_isa_attach, + "aha" +}; + +/* + * Check if the device can be found at the port given + * and if so, set it up ready for further work + * as an argument, takes the isa_device structure from + * autoconf.c + */ +static int +aha_isa_probe(dev) + struct isa_device *dev; +{ + /* + * find unit and check we have that many defined + */ + struct aha_softc *aha; + int port_index; + int max_port_index; + + /* + * We ignore the unit number assigned by config to allow + * consistant numbering between PCI/EISA/ISA devices. + * This is a total kludge until we have a configuration + * manager. + */ + dev->id_unit = aha_unit; + + aha = NULL; + port_index = 0; + max_port_index = AHA_NUM_ISAPORTS - 1; + /* + * Bound our board search if the user has + * specified an exact port. + */ + if (dev->id_iobase > 0) { + for (;port_index <= max_port_index; port_index++) + if (dev->id_iobase >= aha_isa_ports[port_index].addr) + break; + if ((port_index > max_port_index) + || (dev->id_iobase != aha_isa_ports[port_index].addr)) { + printf(" +aha_isa_probe: Invalid baseport of 0x%x specified. +aha_isa_probe: Nearest valid baseport is 0x%x. +aha_isa_probe: Failing probe.\n", + dev->id_iobase, + (port_index <= max_port_index) + ? aha_isa_ports[port_index].addr + : aha_isa_ports[max_port_index].addr); + return 0; + } + } + + /* Attempt to find an adapter */ + for (;port_index <= max_port_index; port_index++) { + config_data_t config_data; + u_int ioport; + int error; + + ioport = aha_isa_ports[port_index].addr; + + /* + * Ensure this port has not already been claimed already + * by a PCI or EISA adapter. + */ + if (aha_check_probed_iop(ioport) != 0) + continue; + + /* Allocate a softc for use during probing */ + aha = aha_alloc(dev->id_unit, I386_BUS_SPACE_IO, ioport); + + if (aha == NULL) + break; + + /* We're going to attempt to probe it now, so mark it probed */ + aha_mark_probed_bio(port_index); + + /* See if there is really a card present */ + if (aha_probe(aha) || aha_fetch_adapter_info(aha)) { + aha_free(aha); + continue; + } + + /* + * Determine our IRQ, and DMA settings and + * export them to the configuration system. + */ + error = aha_cmd(aha, BOP_INQUIRE_CONFIG, NULL, /*parmlen*/0, + (u_int8_t*)&config_data, sizeof(config_data), + DEFAULT_CMD_TIMEOUT); + if (error != 0) { + printf("aha_isa_probe: Could not determine IRQ or DMA " + "settings for adapter at 0x%x. Failing probe\n", + ioport); + aha_free(aha); + continue; + } + + switch (config_data.dma_chan) { + case DMA_CHAN_5: + dev->id_drq = 5; + break; + case DMA_CHAN_6: + dev->id_drq = 6; + break; + case DMA_CHAN_7: + dev->id_drq = 7; + break; + default: + printf("aha_isa_probe: Invalid DMA setting " + "detected for adapter at 0x%x. " + "Failing probe\n", ioport); + } + dev->id_iobase = aha_isa_ports[port_index].addr; + dev->id_irq = (config_data.irq << 9); + dev->id_intr = aha_isa_intr; + aha_unit++; + return (AHA_NREGS); + } + + return (0); +} + +/* + * Attach all the sub-devices we can find + */ +static int +aha_isa_attach(dev) + struct isa_device *dev; +{ + struct aha_softc *aha; + bus_dma_filter_t *filter; + void *filter_arg; + bus_addr_t lowaddr; + + aha = aha_softcs[dev->id_unit]; + if (dev->id_drq != -1) + isa_dmacascade(dev->id_drq); + + /* Allocate our parent dmatag */ + filter = NULL; + filter_arg = NULL; + lowaddr = BUS_SPACE_MAXADDR_24BIT; + + if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/0, /*boundary*/0, + lowaddr, /*highaddr*/BUS_SPACE_MAXADDR, + filter, filter_arg, + /*maxsize*/BUS_SPACE_MAXSIZE_24BIT, + /*nsegments*/BUS_SPACE_UNRESTRICTED, + /*maxsegsz*/BUS_SPACE_MAXSIZE_24BIT, + /*flags*/0, &aha->parent_dmat) != 0) { + aha_free(aha); + return (-1); + } + + if (aha_init(aha)) { + printf("aha init failed\n"); + aha_free(aha); + return (-1); + } + + return (aha_attach(aha)); +} + +/* + * Handle an ISA interrupt. + * XXX should go away as soon as ISA interrupt handlers + * take a (void *) arg. + */ +static void +aha_isa_intr(void *unit) +{ + struct aha_softc* arg = aha_softcs[(int)unit]; + aha_intr((void *)arg); +} -- cgit v1.1