/* $NetBSD: twa.c,v 1.57 2018/12/09 11:14:02 jdolecek Exp $ */ /* $wasabi: twa.c,v 1.27 2006/07/28 18:17:21 wrstuden Exp $ */ /*- * Copyright (c) 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jordan Rhody of Wasabi Systems, Inc. * * 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. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /*- * Copyright (c) 2003-04 3ware, Inc. * Copyright (c) 2000 Michael Smith * Copyright (c) 2000 BSDi * 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. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 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. * * $FreeBSD: src/sys/dev/twa/twa.c,v 1.2 2004/04/02 15:09:57 des Exp $ */ /* * 3ware driver for 9000 series storage controllers. * * Author: Vinod Kashyap */ #include __KERNEL_RCSID(0, "$NetBSD: twa.c,v 1.57 2018/12/09 11:14:02 jdolecek Exp $"); //#define TWA_DEBUG #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "locators.h" #include "ioconf.h" #define PCI_CBIO 0x10 static int twa_fetch_aen(struct twa_softc *); static void twa_aen_callback(struct twa_request *); static int twa_find_aen(struct twa_softc *sc, uint16_t); static uint16_t twa_enqueue_aen(struct twa_softc *sc, struct twa_command_header *); static void twa_attach(device_t, device_t, void *); static int twa_request_bus_scan(device_t, const char *, const int *); static void twa_shutdown(void *); static int twa_init_connection(struct twa_softc *, uint16_t, uint32_t, uint16_t, uint16_t, uint16_t, uint16_t, uint16_t *, uint16_t *, uint16_t *, uint16_t *, uint32_t *); static int twa_intr(void *); static int twa_match(device_t, cfdata_t, void *); static int twa_reset(struct twa_softc *); static int twa_print(void *, const char *); static int twa_soft_reset(struct twa_softc *); static int twa_check_ctlr_state(struct twa_softc *, uint32_t); static int twa_get_param(struct twa_softc *, int, int, size_t, void (* callback)(struct twa_request *), struct twa_param_9k **); static int twa_set_param(struct twa_softc *, int, int, int, void *, void (* callback)(struct twa_request *)); static void twa_describe_controller(struct twa_softc *); static int twa_wait_status(struct twa_softc *, uint32_t, uint32_t); static int twa_done(struct twa_softc *); extern struct cfdriver twa_cd; extern uint32_t twa_fw_img_size; extern uint8_t twa_fw_img[]; CFATTACH_DECL3_NEW(twa, sizeof(struct twa_softc), twa_match, twa_attach, NULL, NULL, twa_request_bus_scan, NULL, 0); /* FreeBSD driver revision for sysctl expected by the 3ware cli */ const char twaver[] = "1.50.01.002"; /* AEN messages. */ static const struct twa_message twa_aen_table[] = { {0x0000, "AEN queue empty"}, {0x0001, "Controller reset occurred"}, {0x0002, "Degraded unit detected"}, {0x0003, "Controller error occured"}, {0x0004, "Background rebuild failed"}, {0x0005, "Background rebuild done"}, {0x0006, "Incomplete unit detected"}, {0x0007, "Background initialize done"}, {0x0008, "Unclean shutdown detected"}, {0x0009, "Drive timeout detected"}, {0x000A, "Drive error detected"}, {0x000B, "Rebuild started"}, {0x000C, "Background initialize started"}, {0x000D, "Entire logical unit was deleted"}, {0x000E, "Background initialize failed"}, {0x000F, "SMART attribute exceeded threshold"}, {0x0010, "Power supply reported AC under range"}, {0x0011, "Power supply reported DC out of range"}, {0x0012, "Power supply reported a malfunction"}, {0x0013, "Power supply predicted malfunction"}, {0x0014, "Battery charge is below threshold"}, {0x0015, "Fan speed is below threshold"}, {0x0016, "Temperature sensor is above threshold"}, {0x0017, "Power supply was removed"}, {0x0018, "Power supply was inserted"}, {0x0019, "Drive was removed from a bay"}, {0x001A, "Drive was inserted into a bay"}, {0x001B, "Drive bay cover door was opened"}, {0x001C, "Drive bay cover door was closed"}, {0x001D, "Product case was opened"}, {0x0020, "Prepare for shutdown (power-off)"}, {0x0021, "Downgrade UDMA mode to lower speed"}, {0x0022, "Upgrade UDMA mode to higher speed"}, {0x0023, "Sector repair completed"}, {0x0024, "Sbuf memory test failed"}, {0x0025, "Error flushing cached write data to disk"}, {0x0026, "Drive reported data ECC error"}, {0x0027, "DCB has checksum error"}, {0x0028, "DCB version is unsupported"}, {0x0029, "Background verify started"}, {0x002A, "Background verify failed"}, {0x002B, "Background verify done"}, {0x002C, "Bad sector overwritten during rebuild"}, {0x002D, "Source drive error occurred"}, {0x002E, "Replace failed because replacement drive too small"}, {0x002F, "Verify failed because array was never initialized"}, {0x0030, "Unsupported ATA drive"}, {0x0031, "Synchronize host/controller time"}, {0x0032, "Spare capacity is inadequate for some units"}, {0x0033, "Background migration started"}, {0x0034, "Background migration failed"}, {0x0035, "Background migration done"}, {0x0036, "Verify detected and fixed data/parity mismatch"}, {0x0037, "SO-DIMM incompatible"}, {0x0038, "SO-DIMM not detected"}, {0x0039, "Corrected Sbuf ECC error"}, {0x003A, "Drive power on reset detected"}, {0x003B, "Background rebuild paused"}, {0x003C, "Background initialize paused"}, {0x003D, "Background verify paused"}, {0x003E, "Background migration paused"}, {0x003F, "Corrupt flash file system detected"}, {0x0040, "Flash file system repaired"}, {0x0041, "Unit number assignments were lost"}, {0x0042, "Error during read of primary DCB"}, {0x0043, "Latent error found in backup DCB"}, {0x0044, "Battery voltage is normal"}, {0x0045, "Battery voltage is low"}, {0x0046, "Battery voltage is high"}, {0x0047, "Battery voltage is too low"}, {0x0048, "Battery voltage is too high"}, {0x0049, "Battery temperature is normal"}, {0x004A, "Battery temperature is low"}, {0x004B, "Battery temperature is high"}, {0x004C, "Battery temperature is too low"}, {0x004D, "Battery temperature is too high"}, {0x004E, "Battery capacity test started"}, {0x004F, "Cache synchronization skipped"}, {0x0050, "Battery capacity test completed"}, {0x0051, "Battery health check started"}, {0x0052, "Battery health check completed"}, {0x0053, "Battery capacity test needed"}, {0x0054, "Battery charge termination voltage is at high level"}, {0x0055, "Battery charging started"}, {0x0056, "Battery charging completed"}, {0x0057, "Battery charging fault"}, {0x0058, "Battery capacity is below warning level"}, {0x0059, "Battery capacity is below error level"}, {0x005A, "Battery is present"}, {0x005B, "Battery is not present"}, {0x005C, "Battery is weak"}, {0x005D, "Battery health check failed"}, {0x005E, "Cache synchronized after power fail"}, {0x005F, "Cache synchronization failed; some data lost"}, {0x0060, "Bad cache meta data checksum"}, {0x0061, "Bad cache meta data signature"}, {0x0062, "Cache meta data restore failed"}, {0x0063, "BBU not found after power fail"}, {0x00FC, "Recovered/finished array membership update"}, {0x00FD, "Handler lockup"}, {0x00FE, "Retrying PCI transfer"}, {0x00FF, "AEN queue is full"}, {0xFFFFFFFF, NULL} }; /* AEN severity table. */ static const char *twa_aen_severity_table[] = { "None", "ERROR", "WARNING", "INFO", "DEBUG", NULL }; #if 0 /* Error messages. */ static const struct twa_message twa_error_table[] = { {0x0100, "SGL entry contains zero data"}, {0x0101, "Invalid command opcode"}, {0x0102, "SGL entry has unaligned address"}, {0x0103, "SGL size does not match command"}, {0x0104, "SGL entry has illegal length"}, {0x0105, "Command packet is not aligned"}, {0x0106, "Invalid request ID"}, {0x0107, "Duplicate request ID"}, {0x0108, "ID not locked"}, {0x0109, "LBA out of range"}, {0x010A, "Logical unit not supported"}, {0x010B, "Parameter table does not exist"}, {0x010C, "Parameter index does not exist"}, {0x010D, "Invalid field in CDB"}, {0x010E, "Specified port has invalid drive"}, {0x010F, "Parameter item size mismatch"}, {0x0110, "Failed memory allocation"}, {0x0111, "Memory request too large"}, {0x0112, "Out of memory segments"}, {0x0113, "Invalid address to deallocate"}, {0x0114, "Out of memory"}, {0x0115, "Out of heap"}, {0x0120, "Double degrade"}, {0x0121, "Drive not degraded"}, {0x0122, "Reconstruct error"}, {0x0123, "Replace not accepted"}, {0x0124, "Replace drive capacity too small"}, {0x0125, "Sector count not allowed"}, {0x0126, "No spares left"}, {0x0127, "Reconstruct error"}, {0x0128, "Unit is offline"}, {0x0129, "Cannot update status to DCB"}, {0x0130, "Invalid stripe handle"}, {0x0131, "Handle that was not locked"}, {0x0132, "Handle that was not empy"}, {0x0133, "Handle has different owner"}, {0x0140, "IPR has parent"}, {0x0150, "Illegal Pbuf address alignment"}, {0x0151, "Illegal Pbuf transfer length"}, {0x0152, "Illegal Sbuf address alignment"}, {0x0153, "Illegal Sbuf transfer length"}, {0x0160, "Command packet too large"}, {0x0161, "SGL exceeds maximum length"}, {0x0162, "SGL has too many entries"}, {0x0170, "Insufficient resources for rebuilder"}, {0x0171, "Verify error (data != parity)"}, {0x0180, "Requested segment not in directory of this DCB"}, {0x0181, "DCB segment has unsupported version"}, {0x0182, "DCB segment has checksum error"}, {0x0183, "DCB support (settings) segment invalid"}, {0x0184, "DCB UDB (unit descriptor block) segment invalid"}, {0x0185, "DCB GUID (globally unique identifier) segment invalid"}, {0x01A0, "Could not clear Sbuf"}, {0x01C0, "Flash identify failed"}, {0x01C1, "Flash out of bounds"}, {0x01C2, "Flash verify error"}, {0x01C3, "Flash file object not found"}, {0x01C4, "Flash file already present"}, {0x01C5, "Flash file system full"}, {0x01C6, "Flash file not present"}, {0x01C7, "Flash file size error"}, {0x01C8, "Bad flash file checksum"}, {0x01CA, "Corrupt flash file system detected"}, {0x01D0, "Invalid field in parameter list"}, {0x01D1, "Parameter list length error"}, {0x01D2, "Parameter item is not changeable"}, {0x01D3, "Parameter item is not saveable"}, {0x0200, "UDMA CRC error"}, {0x0201, "Internal CRC error"}, {0x0202, "Data ECC error"}, {0x0203, "ADP level 1 error"}, {0x0204, "Port timeout"}, {0x0205, "Drive power on reset"}, {0x0206, "ADP level 2 error"}, {0x0207, "Soft reset failed"}, {0x0208, "Drive not ready"}, {0x0209, "Unclassified port error"}, {0x020A, "Drive aborted command"}, {0x0210, "Internal CRC error"}, {0x0211, "Host PCI bus abort"}, {0x0212, "Host PCI parity error"}, {0x0213, "Port handler error"}, {0x0214, "Token interrupt count error"}, {0x0215, "Timeout waiting for PCI transfer"}, {0x0216, "Corrected buffer ECC"}, {0x0217, "Uncorrected buffer ECC"}, {0x0230, "Unsupported command during flash recovery"}, {0x0231, "Next image buffer expected"}, {0x0232, "Binary image architecture incompatible"}, {0x0233, "Binary image has no signature"}, {0x0234, "Binary image has bad checksum"}, {0x0235, "Image downloaded overflowed buffer"}, {0x0240, "I2C device not found"}, {0x0241, "I2C transaction aborted"}, {0x0242, "SO-DIMM parameter(s) incompatible using defaults"}, {0x0243, "SO-DIMM unsupported"}, {0x0248, "SPI transfer status error"}, {0x0249, "SPI transfer timeout error"}, {0x0250, "Invalid unit descriptor size in CreateUnit"}, {0x0251, "Unit descriptor size exceeds data buffer in CreateUnit"}, {0x0252, "Invalid value in CreateUnit descriptor"}, {0x0253, "Inadequate disk space to support descriptor in CreateUnit"}, {0x0254, "Unable to create data channel for this unit descriptor"}, {0x0255, "CreateUnit descriptor specifies a drive already in use"}, {0x0256, "Unable to write configuration to all disks during CreateUnit"}, {0x0257, "CreateUnit does not support this descriptor version"}, {0x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit"}, {0x0259, "Too many descriptors in CreateUnit"}, {0x025A, "Invalid configuration specified in CreateUnit descriptor"}, {0x025B, "Invalid LBA offset specified in CreateUnit descriptor"}, {0x025C, "Invalid stripelet size specified in CreateUnit descriptor"}, {0x0260, "SMART attribute exceeded threshold"}, {0xFFFFFFFF, NULL} }; #endif struct twa_pci_identity { uint32_t vendor_id; uint32_t product_id; const char *name; }; static const struct twa_pci_identity twa_pci_products[] = { { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_9000, "3ware 9000 series", }, { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_9550, "3ware 9550SX series", }, { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_9650, "3ware 9650SE series", }, { PCI_VENDOR_3WARE, PCI_PRODUCT_3WARE_9690, "3ware 9690 series", }, { 0, 0, NULL, }, }; static inline void twa_outl(struct twa_softc *sc, int off, uint32_t val) { bus_space_write_4(sc->twa_bus_iot, sc->twa_bus_ioh, off, val); bus_space_barrier(sc->twa_bus_iot, sc->twa_bus_ioh, off, 4, BUS_SPACE_BARRIER_WRITE); } static inline uint32_t twa_inl(struct twa_softc *sc, int off) { bus_space_barrier(sc->twa_bus_iot, sc->twa_bus_ioh, off, 4, BUS_SPACE_BARRIER_WRITE | BUS_SPACE_BARRIER_READ); return (bus_space_read_4(sc->twa_bus_iot, sc->twa_bus_ioh, off)); } void twa_request_wait_handler(struct twa_request *tr) { wakeup(tr); } static const struct twa_pci_identity * twa_lookup(pcireg_t id) { const struct twa_pci_identity *entry; int i; for (i = 0; i < __arraycount(twa_pci_products); i++) { entry = &twa_pci_products[i]; if (entry->vendor_id == PCI_VENDOR(id) && entry->product_id == PCI_PRODUCT(id)) { return entry; } } return NULL; } static int twa_match(device_t parent, cfdata_t cfdata, void *aux) { struct pci_attach_args *pa = aux; const struct twa_pci_identity *entry; entry = twa_lookup(pa->pa_id); if (entry != NULL) { return 1; } return (0); } static const char * twa_find_msg_string(const struct twa_message *table, uint16_t code) { int i; for (i = 0; table[i].message != NULL; i++) if (table[i].code == code) return(table[i].message); return(table[i].message); } void twa_release_request(struct twa_request *tr) { int s; struct twa_softc *sc; sc = tr->tr_sc; if ((tr->tr_flags & TWA_CMD_AEN) == 0) { s = splbio(); TAILQ_INSERT_TAIL(&tr->tr_sc->twa_free, tr, tr_link); splx(s); if (__predict_false((tr->tr_sc->twa_sc_flags & TWA_STATE_REQUEST_WAIT) != 0)) { tr->tr_sc->twa_sc_flags &= ~TWA_STATE_REQUEST_WAIT; wakeup(&sc->twa_free); } } else tr->tr_flags &= ~TWA_CMD_AEN_BUSY; } static void twa_unmap_request(struct twa_request *tr) { struct twa_softc *sc = tr->tr_sc; uint8_t cmd_status; int s; /* If the command involved data, unmap that too. */ if (tr->tr_data != NULL) { if (tr->tr_cmd_pkt_type & TWA_CMD_PKT_TYPE_9K) cmd_status = tr->tr_command->command.cmd_pkt_9k.status; else cmd_status = tr->tr_command->command.cmd_pkt_7k.generic.status; if (tr->tr_flags & TWA_CMD_DATA_OUT) { bus_dmamap_sync(tr->tr_sc->twa_dma_tag, tr->tr_dma_map, 0, tr->tr_length, BUS_DMASYNC_POSTREAD); /* * If we are using a bounce buffer, and we are reading * data, copy the real data in. */ if (tr->tr_flags & TWA_CMD_DATA_COPY_NEEDED) if (cmd_status == 0) memcpy(tr->tr_real_data, tr->tr_data, tr->tr_real_length); } if (tr->tr_flags & TWA_CMD_DATA_IN) bus_dmamap_sync(tr->tr_sc->twa_dma_tag, tr->tr_dma_map, 0, tr->tr_length, BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->twa_dma_tag, tr->tr_dma_map); } /* Free alignment buffer if it was used. */ if (tr->tr_flags & TWA_CMD_DATA_COPY_NEEDED) { s = splvm(); uvm_km_kmem_free(kmem_va_arena, (vaddr_t)tr->tr_data, tr->tr_length); splx(s); tr->tr_data = tr->tr_real_data; tr->tr_length = tr->tr_real_length; } } /* * Function name: twa_wait_request * Description: Sends down a firmware cmd, and waits for the completion, * but NOT in a tight loop. * * Input: tr -- ptr to request pkt * timeout -- max # of seconds to wait before giving up * Output: None * Return value: 0 -- success * non-zero-- failure */ static int twa_wait_request(struct twa_request *tr, uint32_t timeout) { time_t end_time; struct timeval t1; int s, rv; tr->tr_flags |= TWA_CMD_SLEEP_ON_REQUEST; tr->tr_callback = twa_request_wait_handler; tr->tr_status = TWA_CMD_BUSY; rv = twa_map_request(tr); if (rv != 0) return (rv); microtime(&t1); end_time = t1.tv_usec + (timeout * 1000 * 100); while (tr->tr_status != TWA_CMD_COMPLETE) { rv = tr->tr_error; if (rv != 0) return(rv); if ((rv = tsleep(tr, PRIBIO, "twawait", timeout * hz)) == 0) break; if (rv == EWOULDBLOCK) { /* * We will reset the controller only if the request has * already been submitted, so as to not lose the * request packet. If a busy request timed out, the * reset will take care of freeing resources. If a * pending request timed out, we will free resources * for that request, right here. So, the caller is * expected to NOT cleanup when ETIMEDOUT is returned. */ if (tr->tr_status == TWA_CMD_BUSY) twa_reset(tr->tr_sc); else { /* Request was never submitted. Clean up. */ s = splbio(); TAILQ_REMOVE(&tr->tr_sc->twa_pending, tr, tr_link); splx(s); twa_unmap_request(tr); if (tr->tr_data) free(tr->tr_data, M_DEVBUF); twa_release_request(tr); } return(ETIMEDOUT); } /* * Either the request got completed, or we were woken up by a * signal. Calculate the new timeout, in case it was the * latter. */ microtime(&t1); timeout = (end_time - t1.tv_usec) / (1000 * 100); } return(rv); } /* * Function name: twa_immediate_request * Description: Sends down a firmware cmd, and waits for the completion * in a tight loop. * * Input: tr -- ptr to request pkt * timeout -- max # of seconds to wait before giving up * Output: None * Return value: 0 -- success * non-zero-- failure */ static int twa_immediate_request(struct twa_request *tr, uint32_t timeout) { struct timeval t1; int s = 0, rv = 0; rv = twa_map_request(tr); if (rv != 0) return(rv); timeout = (timeout * 10000 * 10); microtime(&t1); timeout += t1.tv_usec; do { rv = tr->tr_error; if (rv != 0) return(rv); s = splbio(); twa_done(tr->tr_sc); splx(s); if (tr->tr_status == TWA_CMD_COMPLETE) return(rv); microtime(&t1); } while (t1.tv_usec <= timeout); /* * We will reset the controller only if the request has * already been submitted, so as to not lose the * request packet. If a busy request timed out, the * reset will take care of freeing resources. If a * pending request timed out, we will free resources * for that request, right here. So, the caller is * expected to NOT cleanup when ETIMEDOUT is returned. */ rv = ETIMEDOUT; if (tr->tr_status == TWA_CMD_BUSY) twa_reset(tr->tr_sc); else { /* Request was never submitted. Clean up. */ s = splbio(); TAILQ_REMOVE(&tr->tr_sc->twa_pending, tr, tr_link); splx(s); twa_unmap_request(tr); if (tr->tr_data) free(tr->tr_data, M_DEVBUF); twa_release_request(tr); } return (rv); } static int twa_inquiry(struct twa_request *tr, int lunid) { int error; struct twa_command_9k *tr_9k_cmd; if (tr->tr_data == NULL) return (ENOMEM); memset(tr->tr_data, 0, TWA_SECTOR_SIZE); tr->tr_length = TWA_SECTOR_SIZE; tr->tr_cmd_pkt_type = TWA_CMD_PKT_TYPE_9K; tr->tr_flags |= TWA_CMD_DATA_IN | TWA_CMD_DATA_OUT; tr_9k_cmd = &tr->tr_command->command.cmd_pkt_9k; tr_9k_cmd->command.opcode = TWA_OP_EXECUTE_SCSI_COMMAND; tr_9k_cmd->unit = lunid; tr_9k_cmd->request_id = tr->tr_request_id; tr_9k_cmd->status = 0; tr_9k_cmd->sgl_offset = 16; tr_9k_cmd->sgl_entries = 1; /* create the CDB here */ tr_9k_cmd->cdb[0] = INQUIRY; tr_9k_cmd->cdb[1] = ((lunid << 5) & 0x0e); tr_9k_cmd->cdb[4] = 255; /* XXXX setup page data no lun device * it seems 9000 series does not indicate * NOTPRESENT - need more investigation */ ((struct scsipi_inquiry_data *)tr->tr_data)->device = SID_QUAL_LU_NOTPRESENT; error = twa_immediate_request(tr, TWA_REQUEST_TIMEOUT_PERIOD); if (error != 0) return (error); if (((struct scsipi_inquiry_data *)tr->tr_data)->device == SID_QUAL_LU_NOTPRESENT) error = 1; return (error); } static int twa_print_inquiry_data(struct twa_softc *sc, struct scsipi_inquiry_data *scsipi) { printf("%s: %s\n", device_xname(sc->twa_dv), scsipi->vendor); return (1); } static uint64_t twa_read_capacity(struct twa_request *tr, int lunid) { int error; struct twa_command_9k *tr_9k_cmd; uint64_t array_size = 0LL; if (tr->tr_data == NULL) return (ENOMEM); memset(tr->tr_data, 0, TWA_SECTOR_SIZE); tr->tr_length = TWA_SECTOR_SIZE; tr->tr_cmd_pkt_type = TWA_CMD_PKT_TYPE_9K; tr->tr_flags |= TWA_CMD_DATA_OUT; tr_9k_cmd = &tr->tr_command->command.cmd_pkt_9k; tr_9k_cmd->command.opcode = TWA_OP_EXECUTE_SCSI_COMMAND; tr_9k_cmd->unit = lunid; tr_9k_cmd->request_id = tr->tr_request_id; tr_9k_cmd->status = 0; tr_9k_cmd->sgl_offset = 16; tr_9k_cmd->sgl_entries = 1; /* create the CDB here */ tr_9k_cmd->cdb[0] = READ_CAPACITY_16; tr_9k_cmd->cdb[1] = ((lunid << 5) & 0x0e) | SRC16_SERVICE_ACTION; error = twa_immediate_request(tr, TWA_REQUEST_TIMEOUT_PERIOD); if (error == 0) { #if BYTE_ORDER == BIG_ENDIAN array_size = bswap64(_8btol( ((struct scsipi_read_capacity_16_data *)tr->tr_data)->addr) + 1); #else array_size = _8btol(((struct scsipi_read_capacity_16_data *) tr->tr_data)->addr) + 1; #endif } return (array_size); } static int twa_request_sense(struct twa_request *tr, int lunid) { int error = 1; struct twa_command_9k *tr_9k_cmd; if (tr->tr_data == NULL) return (error); memset(tr->tr_data, 0, TWA_SECTOR_SIZE); tr->tr_length = TWA_SECTOR_SIZE; tr->tr_cmd_pkt_type = TWA_CMD_PKT_TYPE_9K; tr->tr_flags |= TWA_CMD_DATA_OUT; tr_9k_cmd = &tr->tr_command->command.cmd_pkt_9k; tr_9k_cmd->command.opcode = TWA_OP_EXECUTE_SCSI_COMMAND; tr_9k_cmd->unit = lunid; tr_9k_cmd->request_id = tr->tr_request_id; tr_9k_cmd->status = 0; tr_9k_cmd->sgl_offset = 16; tr_9k_cmd->sgl_entries = 1; /* create the CDB here */ tr_9k_cmd->cdb[0] = SCSI_REQUEST_SENSE; tr_9k_cmd->cdb[1] = ((lunid << 5) & 0x0e); tr_9k_cmd->cdb[4] = 255; /*XXX AEN notification called in interrupt context * so just queue the request. Return as quickly * as possible from interrupt */ if ((tr->tr_flags & TWA_CMD_AEN) != 0) error = twa_map_request(tr); else error = twa_immediate_request(tr, TWA_REQUEST_TIMEOUT_PERIOD); return (error); } static int twa_alloc_req_pkts(struct twa_softc *sc, int num_reqs) { struct twa_request *tr; struct twa_command_packet *tc; bus_dma_segment_t seg; size_t max_segs, max_xfer; int i, rv, rseg, size; if ((sc->sc_units = malloc(sc->sc_nunits * sizeof(struct twa_drive), M_DEVBUF, M_NOWAIT|M_ZERO)) == NULL) return(ENOMEM); if ((sc->twa_req_buf = malloc(num_reqs * sizeof(struct twa_request), M_DEVBUF, M_NOWAIT)) == NULL) return(ENOMEM); size = num_reqs * sizeof(struct twa_command_packet); /* Allocate memory for cmd pkts. */ if ((rv = bus_dmamem_alloc(sc->twa_dma_tag, size, PAGE_SIZE, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) != 0){ aprint_error_dev(sc->twa_dv, "unable to allocate " "command packets, rv = %d\n", rv); return (ENOMEM); } if ((rv = bus_dmamem_map(sc->twa_dma_tag, &seg, rseg, size, (void **)&sc->twa_cmds, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) { aprint_error_dev(sc->twa_dv, "unable to map commands, rv = %d\n", rv); return (1); } if ((rv = bus_dmamap_create(sc->twa_dma_tag, size, num_reqs, size, 0, BUS_DMA_NOWAIT, &sc->twa_cmd_map)) != 0) { aprint_error_dev(sc->twa_dv, "unable to create command DMA map, " "rv = %d\n", rv); return (ENOMEM); } if ((rv = bus_dmamap_load(sc->twa_dma_tag, sc->twa_cmd_map, sc->twa_cmds, size, NULL, BUS_DMA_NOWAIT)) != 0) { aprint_error_dev(sc->twa_dv, "unable to load command DMA map, rv = %d\n", rv); return (1); } if ((uintptr_t)sc->twa_cmds % TWA_ALIGNMENT) { aprint_error_dev(sc->twa_dv, "DMA map memory not aligned on %d boundary\n", TWA_ALIGNMENT); return (1); } tc = sc->twa_cmd_pkt_buf = (struct twa_command_packet *)sc->twa_cmds; sc->twa_cmd_pkt_phys = sc->twa_cmd_map->dm_segs[0].ds_addr; memset(sc->twa_req_buf, 0, num_reqs * sizeof(struct twa_request)); memset(sc->twa_cmd_pkt_buf, 0, num_reqs * sizeof(struct twa_command_packet)); sc->sc_twa_request = sc->twa_req_buf; max_segs = twa_get_maxsegs(); max_xfer = twa_get_maxxfer(max_segs); for (i = 0; i < num_reqs; i++, tc++) { tr = &(sc->twa_req_buf[i]); tr->tr_command = tc; tr->tr_cmd_phys = sc->twa_cmd_pkt_phys + (i * sizeof(struct twa_command_packet)); tr->tr_request_id = i; tr->tr_sc = sc; /* * Create a map for data buffers. maxsize (256 * 1024) used in * bus_dma_tag_create above should suffice the bounce page needs * for data buffers, since the max I/O size we support is 128KB. * If we supported I/O's bigger than 256KB, we would have to * create a second dma_tag, with the appropriate maxsize. */ if ((rv = bus_dmamap_create(sc->twa_dma_tag, max_xfer, max_segs, 1, 0, BUS_DMA_NOWAIT, &tr->tr_dma_map)) != 0) { aprint_error_dev(sc->twa_dv, "unable to create command DMA map, " "rv = %d\n", rv); return (ENOMEM); } /* Insert request into the free queue. */ if (i != 0) { sc->twa_lookup[i] = tr; twa_release_request(tr); } else tr->tr_flags |= TWA_CMD_AEN; } return(0); } static void twa_recompute_openings(struct twa_softc *sc) { struct twa_drive *td; int unit; int openings; uint64_t total_size; total_size = 0; for (unit = 0; unit < sc->sc_nunits; unit++) { td = &sc->sc_units[unit]; total_size += td->td_size; } for (unit = 0; unit < sc->sc_nunits; unit++) { td = &sc->sc_units[unit]; /* * In theory, TWA_Q_LENGTH - 1 should be usable, but * keep one additional ccb for internal commands. * This makes the controller more reliable under load. */ if (total_size > 0) { openings = (TWA_Q_LENGTH - 2) * td->td_size / total_size; } else openings = 0; if (openings == td->td_openings) continue; td->td_openings = openings; #ifdef TWA_DEBUG printf("%s: unit %d openings %d\n", device_xname(sc->twa_dv), unit, openings); #endif if (td->td_dev != NULL) (*td->td_callbacks->tcb_openings)(td->td_dev, td->td_openings); } } /* ARGSUSED */ static int twa_request_bus_scan(device_t self, const char *attr, const int *flags) { struct twa_softc *sc = device_private(self); struct twa_drive *td; struct twa_request *tr; struct twa_attach_args twaa; int locs[TWACF_NLOCS]; int s, unit; s = splbio(); for (unit = 0; unit < sc->sc_nunits; unit++) { if ((tr = twa_get_request(sc, 0)) == NULL) { splx(s); return (EIO); } tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_INTERNAL; tr->tr_data = malloc(TWA_SECTOR_SIZE, M_DEVBUF, M_NOWAIT); if (tr->tr_data == NULL) { twa_release_request(tr); splx(s); return (ENOMEM); } td = &sc->sc_units[unit]; if (twa_inquiry(tr, unit) == 0) { if (td->td_dev == NULL) { twa_print_inquiry_data(sc, ((struct scsipi_inquiry_data *)tr->tr_data)); sc->sc_units[unit].td_size = twa_read_capacity(tr, unit); twaa.twaa_unit = unit; twa_recompute_openings(sc); locs[TWACF_UNIT] = unit; sc->sc_units[unit].td_dev = config_found_sm_loc(sc->twa_dv, attr, locs, &twaa, twa_print, config_stdsubmatch); } } else { if (td->td_dev != NULL) { (void) config_detach(td->td_dev, DETACH_FORCE); td->td_dev = NULL; td->td_size = 0; twa_recompute_openings(sc); } } free(tr->tr_data, M_DEVBUF); twa_release_request(tr); } splx(s); return (0); } #ifdef DIAGNOSTIC static inline void twa_check_busy_q(struct twa_request *tr) { struct twa_request *rq; struct twa_softc *sc = tr->tr_sc; TAILQ_FOREACH(rq, &sc->twa_busy, tr_link) { if (tr->tr_request_id == rq->tr_request_id) { panic("cannot submit same request more than once"); } else if (tr->bp == rq->bp && tr->bp != 0) { /* XXX A check for 0 for the buf ptr is needed to * guard against ioctl requests with a buf ptr of * 0 and also aen notifications. Looking for * external cmds only. */ panic("cannot submit same buf more than once"); } else { /* Empty else statement */ } } } #endif static int twa_start(struct twa_request *tr) { struct twa_softc *sc = tr->tr_sc; uint32_t status_reg; int s; int error; s = splbio(); /* * The 9650 and 9690 have a bug in the detection of the full queue * condition. * * If a write operation has filled the queue and is directly followed * by a status read, it sometimes doesn't return the correct result. * To work around this, the upper 32bit are written first. * This effectively serialises the hardware, but does not change * the state of the queue. */ if (sc->sc_quirks & TWA_QUIRK_QUEUEFULL_BUG) { /* Write lower 32 bits of address */ TWA_WRITE_COMMAND_QUEUE_LOW(sc, tr->tr_cmd_phys + sizeof(struct twa_command_header)); } /* Check to see if we can post a command. */ status_reg = twa_inl(sc, TWA_STATUS_REGISTER_OFFSET); if ((error = twa_check_ctlr_state(sc, status_reg))) goto out; if (status_reg & TWA_STATUS_COMMAND_QUEUE_FULL) { if (tr->tr_status != TWA_CMD_PENDING) { tr->tr_status = TWA_CMD_PENDING; TAILQ_INSERT_TAIL(&tr->tr_sc->twa_pending, tr, tr_link); } twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_UNMASK_COMMAND_INTERRUPT); error = EBUSY; } else { bus_dmamap_sync(sc->twa_dma_tag, sc->twa_cmd_map, (char *)tr->tr_command - (char *)sc->twa_cmds, sizeof(struct twa_command_packet), BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); if (sc->sc_quirks & TWA_QUIRK_QUEUEFULL_BUG) { /* * Cmd queue is not full. Post the command * by writing upper 32 bits of address. */ TWA_WRITE_COMMAND_QUEUE_HIGH(sc, tr->tr_cmd_phys + sizeof(struct twa_command_header)); } else { /* Cmd queue is not full. Post the command. */ TWA_WRITE_COMMAND_QUEUE(sc, tr->tr_cmd_phys + sizeof(struct twa_command_header)); } /* Mark the request as currently being processed. */ tr->tr_status = TWA_CMD_BUSY; #ifdef DIAGNOSTIC twa_check_busy_q(tr); #endif /* Move the request into the busy queue. */ TAILQ_INSERT_TAIL(&tr->tr_sc->twa_busy, tr, tr_link); } out: splx(s); return(error); } static int twa_drain_response_queue(struct twa_softc *sc) { uint32_t status_reg; for (;;) { status_reg = twa_inl(sc, TWA_STATUS_REGISTER_OFFSET); if (twa_check_ctlr_state(sc, status_reg)) return(1); if (status_reg & TWA_STATUS_RESPONSE_QUEUE_EMPTY) return(0); /* no more response queue entries */ (void)twa_inl(sc, TWA_RESPONSE_QUEUE_OFFSET); } } /* * twa_drain_response_queue_large: * * specific to the 9550 and 9650 controller to remove requests. * * Removes all requests from "large" response queue on the 9550 controller. * This procedure is called as part of the 9550 controller reset sequence. */ static int twa_drain_response_queue_large(struct twa_softc *sc, uint32_t timeout) { uint32_t start_time = 0, end_time; uint32_t response = 0; if (sc->sc_product_id == PCI_PRODUCT_3WARE_9550 || sc->sc_product_id == PCI_PRODUCT_3WARE_9650 ) { start_time = 0; end_time = (timeout * TWA_MICROSECOND); while ((response & TWA_9550SX_DRAIN_COMPLETE) != TWA_9550SX_DRAIN_COMPLETE) { response = twa_inl(sc, TWA_RESPONSE_QUEUE_LARGE_OFFSET); if (start_time >= end_time) return (1); DELAY(1); start_time++; } /* P-chip delay */ DELAY(500000); } return (0); } static void twa_drain_busy_queue(struct twa_softc *sc) { struct twa_request *tr; /* Walk the busy queue. */ while ((tr = TAILQ_FIRST(&sc->twa_busy)) != NULL) { TAILQ_REMOVE(&sc->twa_busy, tr, tr_link); twa_unmap_request(tr); if ((tr->tr_cmd_pkt_type & TWA_CMD_PKT_TYPE_INTERNAL) || (tr->tr_cmd_pkt_type & TWA_CMD_PKT_TYPE_IOCTL)) { /* It's an internal/ioctl request. Simply free it. */ if (tr->tr_data) free(tr->tr_data, M_DEVBUF); twa_release_request(tr); } else { /* It's a SCSI request. Complete it. */ tr->tr_command->command.cmd_pkt_9k.status = EIO; if (tr->tr_callback) tr->tr_callback(tr); } } } static int twa_drain_pending_queue(struct twa_softc *sc) { struct twa_request *tr; int s, error = 0; /* * Pull requests off the pending queue, and submit them. */ s = splbio(); while ((tr = TAILQ_FIRST(&sc->twa_pending)) != NULL) { TAILQ_REMOVE(&sc->twa_pending, tr, tr_link); if ((error = twa_start(tr))) { if (error == EBUSY) { tr->tr_status = TWA_CMD_PENDING; /* queue at the head */ TAILQ_INSERT_HEAD(&tr->tr_sc->twa_pending, tr, tr_link); error = 0; break; } else { if (tr->tr_flags & TWA_CMD_SLEEP_ON_REQUEST) { tr->tr_error = error; tr->tr_callback(tr); error = EIO; } } } } splx(s); return(error); } static int twa_drain_aen_queue(struct twa_softc *sc) { int s, error = 0; struct twa_request *tr; struct twa_command_header *cmd_hdr; struct timeval t1; uint32_t timeout; for (;;) { if ((tr = twa_get_request(sc, 0)) == NULL) { error = EIO; break; } tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_INTERNAL; tr->tr_callback = NULL; tr->tr_data = malloc(TWA_SECTOR_SIZE, M_DEVBUF, M_NOWAIT); if (tr->tr_data == NULL) { error = 1; goto out; } if (twa_request_sense(tr, 0) != 0) { error = 1; break; } timeout = (1000/*ms*/ * 100/*us*/ * TWA_REQUEST_TIMEOUT_PERIOD); microtime(&t1); timeout += t1.tv_usec; do { s = splbio(); twa_done(tr->tr_sc); splx(s); if (tr->tr_status != TWA_CMD_BUSY) break; microtime(&t1); } while (t1.tv_usec <= timeout); if (tr->tr_status != TWA_CMD_COMPLETE) { error = ETIMEDOUT; break; } if ((error = tr->tr_command->command.cmd_pkt_9k.status)) break; cmd_hdr = (struct twa_command_header *)(tr->tr_data); if ((cmd_hdr->status_block.error) /* aen_code */ == TWA_AEN_QUEUE_EMPTY) break; (void)twa_enqueue_aen(sc, cmd_hdr); free(tr->tr_data, M_DEVBUF); twa_release_request(tr); } out: if (tr) { if (tr->tr_data) free(tr->tr_data, M_DEVBUF); twa_release_request(tr); } return(error); } #if 0 static void twa_check_response_q(struct twa_request *tr, int clear) { int j; static int i = 0; static struct twa_request *req = 0; static struct buf *hist[255]; if (clear) { i = 0; for (j = 0; j < 255; j++) hist[j] = 0; return; } if (req == 0) req = tr; if ((tr->tr_cmd_pkt_type & TWA_CMD_PKT_TYPE_EXTERNAL) != 0) { /* XXX this is bogus ! req can't be anything else but tr ! */ if (req->tr_request_id == tr->tr_request_id) panic("req id: %d on controller queue twice", tr->tr_request_id); for (j = 0; j < i; j++) if (tr->bp == hist[j]) panic("req id: %d buf found twice", tr->tr_request_id); } req = tr; hist[i++] = req->bp; } #endif static int twa_done(struct twa_softc *sc) { union twa_response_queue rq; struct twa_request *tr; int rv = 0; uint32_t status_reg; for (;;) { status_reg = twa_inl(sc, TWA_STATUS_REGISTER_OFFSET); if ((rv = twa_check_ctlr_state(sc, status_reg))) break; if (status_reg & TWA_STATUS_RESPONSE_QUEUE_EMPTY) break; /* Response queue is not empty. */ rq.value = twa_inl(sc, TWA_RESPONSE_QUEUE_OFFSET); tr = sc->sc_twa_request + rq.u.response_id; #if 0 twa_check_response_q(tr, 0); #endif /* Unmap the command packet, and any associated data buffer. */ twa_unmap_request(tr); tr->tr_status = TWA_CMD_COMPLETE; TAILQ_REMOVE(&tr->tr_sc->twa_busy, tr, tr_link); if (tr->tr_callback) tr->tr_callback(tr); } (void)twa_drain_pending_queue(sc); #if 0 twa_check_response_q(NULL, 1); #endif return(rv); } /* * Function name: twa_init_ctlr * Description: Establishes a logical connection with the controller. * If bundled with firmware, determines whether or not * the driver is compatible with the firmware on the * controller, before proceeding to work with it. * * Input: sc -- ptr to per ctlr structure * Output: None * Return value: 0 -- success * non-zero-- failure */ static int twa_init_ctlr(struct twa_softc *sc) { uint16_t fw_on_ctlr_srl = 0; uint16_t fw_on_ctlr_arch_id = 0; uint16_t fw_on_ctlr_branch = 0; uint16_t fw_on_ctlr_build = 0; uint32_t init_connect_result = 0; int error = 0; /* Wait for the controller to become ready. */ if (twa_wait_status(sc, TWA_STATUS_MICROCONTROLLER_READY, TWA_REQUEST_TIMEOUT_PERIOD)) { return(ENXIO); } /* Drain the response queue. */ if (twa_drain_response_queue(sc)) return(1); /* Establish a logical connection with the controller. */ if ((error = twa_init_connection(sc, TWA_INIT_MESSAGE_CREDITS, TWA_EXTENDED_INIT_CONNECT, TWA_CURRENT_FW_SRL, TWA_9000_ARCH_ID, TWA_CURRENT_FW_BRANCH, TWA_CURRENT_FW_BUILD, &fw_on_ctlr_srl, &fw_on_ctlr_arch_id, &fw_on_ctlr_branch, &fw_on_ctlr_build, &init_connect_result))) { return(error); } twa_drain_aen_queue(sc); /* Set controller state to initialized. */ sc->twa_state &= ~TWA_STATE_SHUTDOWN; return(0); } static int twa_setup(device_t self) { struct twa_softc *sc; struct tw_cl_event_packet *aen_queue; uint32_t i = 0; int error = 0; sc = device_private(self); /* Initialize request queues. */ TAILQ_INIT(&sc->twa_free); TAILQ_INIT(&sc->twa_busy); TAILQ_INIT(&sc->twa_pending); sc->twa_sc_flags = 0; if (twa_alloc_req_pkts(sc, TWA_Q_LENGTH)) { return(ENOMEM); } /* Allocate memory for the AEN queue. */ if ((aen_queue = malloc(sizeof(struct tw_cl_event_packet) * TWA_Q_LENGTH, M_DEVBUF, M_WAITOK)) == NULL) { /* * This should not cause us to return error. We will only be * unable to support AEN's. But then, we will have to check * time and again to see if we can support AEN's, if we * continue. So, we will just return error. */ return (ENOMEM); } /* Initialize the aen queue. */ memset(aen_queue, 0, sizeof(struct tw_cl_event_packet) * TWA_Q_LENGTH); for (i = 0; i < TWA_Q_LENGTH; i++) sc->twa_aen_queue[i] = &(aen_queue[i]); twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_DISABLE_INTERRUPTS); /* Initialize the controller. */ if ((error = twa_init_ctlr(sc))) { /* Soft reset the controller, and try one more time. */ printf("%s: controller initialization failed. " "Retrying initialization\n", device_xname(sc->twa_dv)); if ((error = twa_soft_reset(sc)) == 0) error = twa_init_ctlr(sc); } twa_describe_controller(sc); error = twa_request_bus_scan(self, "twa", 0); twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT | TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT | TWA_CONTROL_ENABLE_INTERRUPTS); return (error); } void *twa_sdh; static void twa_attach(device_t parent, device_t self, void *aux) { struct pci_attach_args *pa; struct twa_softc *sc; pci_chipset_tag_t pc; pcireg_t csr; pci_intr_handle_t ih; const char *intrstr; const struct sysctlnode *node; const struct twa_pci_identity *entry; int i; bool use_64bit; char intrbuf[PCI_INTRSTR_LEN]; sc = device_private(self); sc->twa_dv = self; pa = aux; pc = pa->pa_pc; sc->pc = pa->pa_pc; sc->tag = pa->pa_tag; entry = twa_lookup(pa->pa_id); pci_aprint_devinfo_fancy(pa, "RAID controller", entry->name, 1); sc->sc_quirks = 0; if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3WARE_9000) { sc->sc_nunits = TWA_MAX_UNITS; use_64bit = false; if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0, &sc->twa_bus_iot, &sc->twa_bus_ioh, NULL, NULL)) { aprint_error_dev(sc->twa_dv, "can't map i/o space\n"); return; } } else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3WARE_9550) { sc->sc_nunits = TWA_MAX_UNITS; use_64bit = true; if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x08, PCI_MAPREG_MEM_TYPE_64BIT, 0, &sc->twa_bus_iot, &sc->twa_bus_ioh, NULL, NULL)) { aprint_error_dev(sc->twa_dv, "can't map mem space\n"); return; } } else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3WARE_9650) { sc->sc_nunits = TWA_9650_MAX_UNITS; use_64bit = true; if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x08, PCI_MAPREG_MEM_TYPE_64BIT, 0, &sc->twa_bus_iot, &sc->twa_bus_ioh, NULL, NULL)) { aprint_error_dev(sc->twa_dv, "can't map mem space\n"); return; } sc->sc_quirks |= TWA_QUIRK_QUEUEFULL_BUG; } else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3WARE_9690) { sc->sc_nunits = TWA_9690_MAX_UNITS; use_64bit = true; if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x08, PCI_MAPREG_MEM_TYPE_64BIT, 0, &sc->twa_bus_iot, &sc->twa_bus_ioh, NULL, NULL)) { aprint_error_dev(sc->twa_dv, "can't map mem space\n"); return; } sc->sc_quirks |= TWA_QUIRK_QUEUEFULL_BUG; } else { sc->sc_nunits = 0; use_64bit = false; aprint_error_dev(sc->twa_dv, "product id 0x%02x not recognized\n", PCI_PRODUCT(pa->pa_id)); return; } if (pci_dma64_available(pa) && use_64bit) { aprint_verbose_dev(self, "64-bit DMA addressing active\n"); sc->twa_dma_tag = pa->pa_dmat64; } else { sc->twa_dma_tag = pa->pa_dmat; } sc->sc_product_id = PCI_PRODUCT(pa->pa_id); /* Enable the device. */ csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); /* Map and establish the interrupt. */ if (pci_intr_map(pa, &ih)) { aprint_error_dev(sc->twa_dv, "can't map interrupt\n"); return; } intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); sc->twa_ih = pci_intr_establish_xname(pc, ih, IPL_BIO, twa_intr, sc, device_xname(self)); if (sc->twa_ih == NULL) { aprint_error_dev(sc->twa_dv, "can't establish interrupt%s%s\n", (intrstr) ? " at " : "", (intrstr) ? intrstr : ""); return; } if (intrstr != NULL) aprint_normal_dev(sc->twa_dv, "interrupting at %s\n", intrstr); twa_setup(self); if (twa_sdh == NULL) twa_sdh = shutdownhook_establish(twa_shutdown, NULL); /* sysctl set-up for 3ware cli */ if (sysctl_createv(NULL, 0, NULL, &node, 0, CTLTYPE_NODE, device_xname(sc->twa_dv), SYSCTL_DESCR("twa driver information"), NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL) != 0) { aprint_error_dev(sc->twa_dv, "could not create %s.%s sysctl node\n", "hw", device_xname(sc->twa_dv)); return; } if ((i = sysctl_createv(NULL, 0, NULL, NULL, 0, CTLTYPE_STRING, "driver_version", SYSCTL_DESCR("twa driver version"), NULL, 0, __UNCONST(&twaver), 0, CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL)) != 0) { aprint_error_dev(sc->twa_dv, "could not create %s.%s.driver_version sysctl\n", "hw", device_xname(sc->twa_dv)); return; } return; } static void twa_shutdown(void *arg) { extern struct cfdriver twa_cd; struct twa_softc *sc; int i, unit; for (i = 0; i < twa_cd.cd_ndevs; i++) { if ((sc = device_lookup_private(&twa_cd, i)) == NULL) continue; for (unit = 0; unit < sc->sc_nunits; unit++) if (sc->sc_units[unit].td_dev != NULL) (void) config_detach(sc->sc_units[unit].td_dev, DETACH_FORCE | DETACH_QUIET); twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_DISABLE_INTERRUPTS); /* Let the controller know that we are going down. */ (void)twa_init_connection(sc, TWA_SHUTDOWN_MESSAGE_CREDITS, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); } } void twa_register_callbacks(struct twa_softc *sc, int unit, const struct twa_callbacks *tcb) { sc->sc_units[unit].td_callbacks = tcb; } /* * Print autoconfiguration message for a sub-device */ static int twa_print(void *aux, const char *pnp) { struct twa_attach_args *twaa; twaa = aux; if (pnp !=NULL) aprint_normal("block device at %s\n", pnp); aprint_normal(" unit %d\n", twaa->twaa_unit); return (UNCONF); } static void twa_fillin_sgl(struct twa_sg *sgl, bus_dma_segment_t *segs, int nsegments) { int i; for (i = 0; i < nsegments; i++) { sgl[i].address = segs[i].ds_addr; sgl[i].length = (uint32_t)(segs[i].ds_len); } } static int twa_submit_io(struct twa_request *tr) { int error; if ((error = twa_start(tr))) { if (error == EBUSY) error = 0; /* request is in the pending queue */ else { tr->tr_error = error; } } return(error); } /* * Function name: twa_setup_data_dmamap * Description: Callback of bus_dmamap_load for the buffer associated * with data. Updates the cmd pkt (size/sgl_entries * fields, as applicable) to reflect the number of sg * elements. * * Input: arg -- ptr to request pkt * segs -- ptr to a list of segment descriptors * nsegments--# of segments * error -- 0 if no errors encountered before callback, * non-zero if errors were encountered * Output: None * Return value: None */ static int twa_setup_data_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments) { struct twa_request *tr = (struct twa_request *)arg; struct twa_command_packet *cmdpkt = tr->tr_command; struct twa_command_9k *cmd9k; union twa_command_7k *cmd7k; uint8_t sgl_offset; int error; if (tr->tr_cmd_pkt_type & TWA_CMD_PKT_TYPE_9K) { cmd9k = &(cmdpkt->command.cmd_pkt_9k); twa_fillin_sgl(&(cmd9k->sg_list[0]), segs, nsegments); cmd9k->sgl_entries += nsegments - 1; } else { /* It's a 7000 command packet. */ cmd7k = &(cmdpkt->command.cmd_pkt_7k); if ((sgl_offset = cmdpkt->command.cmd_pkt_7k.generic.sgl_offset)) twa_fillin_sgl((struct twa_sg *) (((uint32_t *)cmd7k) + sgl_offset), segs, nsegments); /* Modify the size field, based on sg address size. */ cmd7k->generic.size += ((TWA_64BIT_ADDRESSES ? 3 : 2) * nsegments); } if (tr->tr_flags & TWA_CMD_DATA_IN) bus_dmamap_sync(tr->tr_sc->twa_dma_tag, tr->tr_dma_map, 0, tr->tr_length, BUS_DMASYNC_PREWRITE); if (tr->tr_flags & TWA_CMD_DATA_OUT) { /* * If we're using an alignment buffer, and we're * writing data, copy the real data out. */ if (tr->tr_flags & TWA_CMD_DATA_COPY_NEEDED) memcpy(tr->tr_data, tr->tr_real_data, tr->tr_real_length); bus_dmamap_sync(tr->tr_sc->twa_dma_tag, tr->tr_dma_map, 0, tr->tr_length, BUS_DMASYNC_PREREAD); } error = twa_submit_io(tr); if (error) { twa_unmap_request(tr); /* * If the caller had been returned EINPROGRESS, and he has * registered a callback for handling completion, the callback * will never get called because we were unable to submit the * request. So, free up the request right here. */ if (tr->tr_callback) twa_release_request(tr); } return (error); } /* * Function name: twa_map_request * Description: Maps a cmd pkt and data associated with it, into * DMA'able memory. * * Input: tr -- ptr to request pkt * Output: None * Return value: 0 -- success * non-zero-- failure */ int twa_map_request(struct twa_request *tr) { struct twa_softc *sc = tr->tr_sc; int s, rv, rc; /* If the command involves data, map that too. */ if (tr->tr_data != NULL) { if (((u_long)tr->tr_data & (511)) != 0) { tr->tr_flags |= TWA_CMD_DATA_COPY_NEEDED; tr->tr_real_data = tr->tr_data; tr->tr_real_length = tr->tr_length; s = splvm(); rc = uvm_km_kmem_alloc(kmem_va_arena, tr->tr_length, (VM_NOSLEEP | VM_INSTANTFIT), (vmem_addr_t *)&tr->tr_data); splx(s); if (rc != 0) { tr->tr_data = tr->tr_real_data; tr->tr_length = tr->tr_real_length; return(ENOMEM); } if ((tr->tr_flags & TWA_CMD_DATA_IN) != 0) memcpy(tr->tr_data, tr->tr_real_data, tr->tr_length); } /* * Map the data buffer into bus space and build the S/G list. */ rv = bus_dmamap_load(sc->twa_dma_tag, tr->tr_dma_map, tr->tr_data, tr->tr_length, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING); if (rv != 0) { if ((tr->tr_flags & TWA_CMD_DATA_COPY_NEEDED) != 0) { s = splvm(); uvm_km_kmem_free(kmem_va_arena, (vaddr_t)tr->tr_data, tr->tr_length); splx(s); } return (rv); } if ((rv = twa_setup_data_dmamap(tr, tr->tr_dma_map->dm_segs, tr->tr_dma_map->dm_nsegs))) { if (tr->tr_flags & TWA_CMD_DATA_COPY_NEEDED) { s = splvm(); uvm_km_kmem_free(kmem_va_arena, (vaddr_t)tr->tr_data, tr->tr_length); splx(s); tr->tr_data = tr->tr_real_data; tr->tr_length = tr->tr_real_length; } } } else if ((rv = twa_submit_io(tr))) twa_unmap_request(tr); return (rv); } /* * Function name: twa_intr * Description: Interrupt handler. Determines the kind of interrupt, * and calls the appropriate handler. * * Input: sc -- ptr to per ctlr structure * Output: None * Return value: None */ static int twa_intr(void *arg) { int caught, s, rv __diagused; struct twa_softc *sc; uint32_t status_reg; sc = (struct twa_softc *)arg; caught = 0; /* Collect current interrupt status. */ status_reg = twa_inl(sc, TWA_STATUS_REGISTER_OFFSET); if (twa_check_ctlr_state(sc, status_reg)) { caught = 1; goto bail; } /* Dispatch based on the kind of interrupt. */ if (status_reg & TWA_STATUS_HOST_INTERRUPT) { twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_HOST_INTERRUPT); caught = 1; } if ((status_reg & TWA_STATUS_ATTENTION_INTERRUPT) != 0) { twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT); rv = twa_fetch_aen(sc); #ifdef DIAGNOSTIC if (rv != 0) printf("%s: unable to retrieve AEN (%d)\n", device_xname(sc->twa_dv), rv); #endif caught = 1; } if (status_reg & TWA_STATUS_COMMAND_INTERRUPT) { /* Start any requests that might be in the pending queue. */ twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_MASK_COMMAND_INTERRUPT); (void)twa_drain_pending_queue(sc); caught = 1; } if (status_reg & TWA_STATUS_RESPONSE_INTERRUPT) { s = splbio(); twa_done(sc); splx(s); caught = 1; } bail: return (caught); } /* * Accept an open operation on the control device. */ static int twaopen(dev_t dev, int flag, int mode, struct lwp *l) { struct twa_softc *twa; if ((twa = device_lookup_private(&twa_cd, minor(dev))) == NULL) return (ENXIO); if ((twa->twa_sc_flags & TWA_STATE_OPEN) != 0) return (EBUSY); twa->twa_sc_flags |= TWA_STATE_OPEN; return (0); } /* * Accept the last close on the control device. */ static int twaclose(dev_t dev, int flag, int mode, struct lwp *l) { struct twa_softc *twa; twa = device_lookup_private(&twa_cd, minor(dev)); twa->twa_sc_flags &= ~TWA_STATE_OPEN; return (0); } /* * Function name: twaioctl * Description: ioctl handler. * * Input: sc -- ptr to per ctlr structure * cmd -- ioctl cmd * buf -- ptr to buffer in kernel memory, which is * a copy of the input buffer in user-space * Output: buf -- ptr to buffer in kernel memory, which will * be copied of the output buffer in user-space * Return value: 0 -- success * non-zero-- failure */ static int twaioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l) { struct twa_softc *sc; struct twa_ioctl_9k *user_buf = (struct twa_ioctl_9k *)data; struct tw_cl_event_packet event_buf; struct twa_request *tr = 0; int32_t event_index = 0; int32_t start_index; int s, error = 0; sc = device_lookup_private(&twa_cd, minor(dev)); switch (cmd) { case TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH: { struct twa_command_packet *cmdpkt; uint32_t data_buf_size_adjusted; /* Get a request packet */ tr = twa_get_request_wait(sc, 0); KASSERT(tr != NULL); /* * Make sure that the data buffer sent to firmware is a * 512 byte multiple in size. */ data_buf_size_adjusted = (user_buf->twa_drvr_pkt.buffer_length + 511) & ~511; if ((tr->tr_length = data_buf_size_adjusted)) { if ((tr->tr_data = malloc(data_buf_size_adjusted, M_DEVBUF, M_WAITOK)) == NULL) { error = ENOMEM; goto fw_passthru_done; } /* Copy the payload. */ if ((error = copyin((void *) (user_buf->pdata), (void *) (tr->tr_data), user_buf->twa_drvr_pkt.buffer_length)) != 0) { goto fw_passthru_done; } tr->tr_flags |= TWA_CMD_DATA_IN | TWA_CMD_DATA_OUT; } tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_IOCTL; cmdpkt = tr->tr_command; /* Copy the command packet. */ memcpy(cmdpkt, &(user_buf->twa_cmd_pkt), sizeof(struct twa_command_packet)); cmdpkt->command.cmd_pkt_7k.generic.request_id = tr->tr_request_id; /* Send down the request, and wait for it to complete. */ if ((error = twa_wait_request(tr, TWA_REQUEST_TIMEOUT_PERIOD))) { if (error == ETIMEDOUT) break; /* clean-up done by twa_wait_request */ goto fw_passthru_done; } /* Copy the command packet back into user space. */ memcpy(&user_buf->twa_cmd_pkt, cmdpkt, sizeof(struct twa_command_packet)); /* If there was a payload, copy it back too. */ if (tr->tr_length) error = copyout(tr->tr_data, user_buf->pdata, user_buf->twa_drvr_pkt.buffer_length); fw_passthru_done: /* Free resources. */ if (tr->tr_data) free(tr->tr_data, M_DEVBUF); if (tr) twa_release_request(tr); break; } case TW_OSL_IOCTL_SCAN_BUS: twa_request_bus_scan(sc->twa_dv, "twa", 0); break; case TW_CL_IOCTL_GET_FIRST_EVENT: if (sc->twa_aen_queue_wrapped) { if (sc->twa_aen_queue_overflow) { /* * The aen queue has wrapped, even before some * events have been retrieved. Let the caller * know that he missed out on some AEN's. */ user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_OVERFLOW; sc->twa_aen_queue_overflow = FALSE; } else user_buf->twa_drvr_pkt.status = 0; event_index = sc->twa_aen_head; } else { if (sc->twa_aen_head == sc->twa_aen_tail) { user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_NO_EVENTS; break; } user_buf->twa_drvr_pkt.status = 0; event_index = sc->twa_aen_tail; /* = 0 */ } if ((error = copyout(sc->twa_aen_queue[event_index], user_buf->pdata, sizeof(struct tw_cl_event_packet))) != 0) (sc->twa_aen_queue[event_index])->retrieved = TWA_AEN_RETRIEVED; break; case TW_CL_IOCTL_GET_LAST_EVENT: if (sc->twa_aen_queue_wrapped) { if (sc->twa_aen_queue_overflow) { /* * The aen queue has wrapped, even before some * events have been retrieved. Let the caller * know that he missed out on some AEN's. */ user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_OVERFLOW; sc->twa_aen_queue_overflow = FALSE; } else user_buf->twa_drvr_pkt.status = 0; } else { if (sc->twa_aen_head == sc->twa_aen_tail) { user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_NO_EVENTS; break; } user_buf->twa_drvr_pkt.status = 0; } event_index = (sc->twa_aen_head - 1 + TWA_Q_LENGTH) % TWA_Q_LENGTH; if ((error = copyout(sc->twa_aen_queue[event_index], user_buf->pdata, sizeof(struct tw_cl_event_packet))) != 0) (sc->twa_aen_queue[event_index])->retrieved = TWA_AEN_RETRIEVED; break; case TW_CL_IOCTL_GET_NEXT_EVENT: user_buf->twa_drvr_pkt.status = 0; if (sc->twa_aen_queue_wrapped) { if (sc->twa_aen_queue_overflow) { /* * The aen queue has wrapped, even before some * events have been retrieved. Let the caller * know that he missed out on some AEN's. */ user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_OVERFLOW; sc->twa_aen_queue_overflow = FALSE; } start_index = sc->twa_aen_head; } else { if (sc->twa_aen_head == sc->twa_aen_tail) { user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_NO_EVENTS; break; } start_index = sc->twa_aen_tail; /* = 0 */ } error = copyin(user_buf->pdata, &event_buf, sizeof(struct tw_cl_event_packet)); event_index = (start_index + event_buf.sequence_id - (sc->twa_aen_queue[start_index])->sequence_id + 1) % TWA_Q_LENGTH; if (!((sc->twa_aen_queue[event_index])->sequence_id > event_buf.sequence_id)) { if (user_buf->twa_drvr_pkt.status == TWA_ERROR_AEN_OVERFLOW) /* so we report the overflow next time */ sc->twa_aen_queue_overflow = TRUE; user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_NO_EVENTS; break; } if ((error = copyout(sc->twa_aen_queue[event_index], user_buf->pdata, sizeof(struct tw_cl_event_packet))) != 0) (sc->twa_aen_queue[event_index])->retrieved = TWA_AEN_RETRIEVED; break; case TW_CL_IOCTL_GET_PREVIOUS_EVENT: user_buf->twa_drvr_pkt.status = 0; if (sc->twa_aen_queue_wrapped) { if (sc->twa_aen_queue_overflow) { /* * The aen queue has wrapped, even before some * events have been retrieved. Let the caller * know that he missed out on some AEN's. */ user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_OVERFLOW; sc->twa_aen_queue_overflow = FALSE; } start_index = sc->twa_aen_head; } else { if (sc->twa_aen_head == sc->twa_aen_tail) { user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_NO_EVENTS; break; } start_index = sc->twa_aen_tail; /* = 0 */ } if ((error = copyin(user_buf->pdata, &event_buf, sizeof(struct tw_cl_event_packet))) != 0) event_index = (start_index + event_buf.sequence_id - (sc->twa_aen_queue[start_index])->sequence_id - 1) % TWA_Q_LENGTH; if (!((sc->twa_aen_queue[event_index])->sequence_id < event_buf.sequence_id)) { if (user_buf->twa_drvr_pkt.status == TWA_ERROR_AEN_OVERFLOW) /* so we report the overflow next time */ sc->twa_aen_queue_overflow = TRUE; user_buf->twa_drvr_pkt.status = TWA_ERROR_AEN_NO_EVENTS; break; } if ((error = copyout(sc->twa_aen_queue [event_index], user_buf->pdata, sizeof(struct tw_cl_event_packet))) != 0) aprint_error_dev(sc->twa_dv, "get_previous: Could not " "copyout to event_buf. error = %x\n", error); (sc->twa_aen_queue[event_index])->retrieved = TWA_AEN_RETRIEVED; break; case TW_CL_IOCTL_GET_LOCK: { struct tw_cl_lock_packet twa_lock; copyin(user_buf->pdata, &twa_lock, sizeof(struct tw_cl_lock_packet)); s = splbio(); if ((sc->twa_ioctl_lock.lock == TWA_LOCK_FREE) || (twa_lock.force_flag) || (time_second >= sc->twa_ioctl_lock.timeout)) { sc->twa_ioctl_lock.lock = TWA_LOCK_HELD; sc->twa_ioctl_lock.timeout = time_second + (twa_lock.timeout_msec / 1000); twa_lock.time_remaining_msec = twa_lock.timeout_msec; user_buf->twa_drvr_pkt.status = 0; } else { twa_lock.time_remaining_msec = (sc->twa_ioctl_lock.timeout - time_second) * 1000; user_buf->twa_drvr_pkt.status = TWA_ERROR_IOCTL_LOCK_ALREADY_HELD; } splx(s); copyout(&twa_lock, user_buf->pdata, sizeof(struct tw_cl_lock_packet)); break; } case TW_CL_IOCTL_RELEASE_LOCK: s = splbio(); if (sc->twa_ioctl_lock.lock == TWA_LOCK_FREE) { user_buf->twa_drvr_pkt.status = TWA_ERROR_IOCTL_LOCK_NOT_HELD; } else { sc->twa_ioctl_lock.lock = TWA_LOCK_FREE; user_buf->twa_drvr_pkt.status = 0; } splx(s); break; case TW_CL_IOCTL_GET_COMPATIBILITY_INFO: { struct tw_cl_compatibility_packet comp_pkt; memcpy(comp_pkt.driver_version, TWA_DRIVER_VERSION_STRING, sizeof(TWA_DRIVER_VERSION_STRING)); comp_pkt.working_srl = sc->working_srl; comp_pkt.working_branch = sc->working_branch; comp_pkt.working_build = sc->working_build; user_buf->twa_drvr_pkt.status = 0; /* Copy compatibility information to user space. */ copyout(&comp_pkt, user_buf->pdata, uimin(sizeof(struct tw_cl_compatibility_packet), user_buf->twa_drvr_pkt.buffer_length)); break; } case TWA_IOCTL_GET_UNITNAME: /* WASABI EXTENSION */ { struct twa_unitname *tn; struct twa_drive *tdr; tn = (struct twa_unitname *)data; /* XXX mutex */ if (tn->tn_unit < 0 || tn->tn_unit >= sc->sc_nunits) return (EINVAL); tdr = &sc->sc_units[tn->tn_unit]; if (tdr->td_dev == NULL) tn->tn_name[0] = '\0'; else strlcpy(tn->tn_name, device_xname(tdr->td_dev), sizeof(tn->tn_name)); return (0); } default: /* Unknown opcode. */ error = ENOTTY; } return(error); } const struct cdevsw twa_cdevsw = { .d_open = twaopen, .d_close = twaclose, .d_read = noread, .d_write = nowrite, .d_ioctl = twaioctl, .d_stop = nostop, .d_tty = notty, .d_poll = nopoll, .d_mmap = nommap, .d_kqfilter = nokqfilter, .d_discard = nodiscard, .d_flag = D_OTHER }; /* * Function name: twa_get_param * Description: Get a firmware parameter. * * Input: sc -- ptr to per ctlr structure * table_id -- parameter table # * param_id -- index of the parameter in the table * param_size -- size of the parameter in bytes * callback -- ptr to function, if any, to be called * back on completion; NULL if no callback. * Output: None * Return value: ptr to param structure -- success * NULL -- failure */ static int twa_get_param(struct twa_softc *sc, int table_id, int param_id, size_t param_size, void (* callback)(struct twa_request *tr), struct twa_param_9k **param) { int rv = 0; struct twa_request *tr; union twa_command_7k *cmd; /* Get a request packet. */ if ((tr = twa_get_request(sc, 0)) == NULL) { rv = EAGAIN; goto out; } tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_INTERNAL; /* Allocate memory to read data into. */ if ((*param = (struct twa_param_9k *) malloc(TWA_SECTOR_SIZE, M_DEVBUF, M_NOWAIT)) == NULL) { rv = ENOMEM; goto out; } memset(*param, 0, sizeof(struct twa_param_9k) - 1 + param_size); tr->tr_data = *param; tr->tr_length = TWA_SECTOR_SIZE; tr->tr_flags = TWA_CMD_DATA_IN | TWA_CMD_DATA_OUT; /* Build the cmd pkt. */ cmd = &(tr->tr_command->command.cmd_pkt_7k); tr->tr_command->cmd_hdr.header_desc.size_header = 128; cmd->param.opcode = TWA_OP_GET_PARAM; cmd->param.sgl_offset = 2; cmd->param.size = 2; cmd->param.request_id = tr->tr_request_id; cmd->param.unit = 0; cmd->param.param_count = 1; /* Specify which parameter we need. */ (*param)->table_id = table_id | TWA_9K_PARAM_DESCRIPTOR; (*param)->parameter_id = param_id; (*param)->parameter_size_bytes = param_size; /* Submit the command. */ if (callback == NULL) { /* There's no call back; wait till the command completes. */ rv = twa_immediate_request(tr, TWA_REQUEST_TIMEOUT_PERIOD); if (rv != 0) goto out; if ((rv = cmd->param.status) != 0) { /* twa_drain_complete_queue will have done the unmapping */ goto out; } twa_release_request(tr); return (rv); } else { /* There's a call back. Simply submit the command. */ tr->tr_callback = callback; rv = twa_map_request(tr); return (rv); } out: if (tr) twa_release_request(tr); return(rv); } /* * Function name: twa_set_param * Description: Set a firmware parameter. * * Input: sc -- ptr to per ctlr structure * table_id -- parameter table # * param_id -- index of the parameter in the table * param_size -- size of the parameter in bytes * callback -- ptr to function, if any, to be called * back on completion; NULL if no callback. * Output: None * Return value: 0 -- success * non-zero-- failure */ static int twa_set_param(struct twa_softc *sc, int table_id, int param_id, int param_size, void *data, void (* callback)(struct twa_request *tr)) { struct twa_request *tr; union twa_command_7k *cmd; struct twa_param_9k *param = NULL; int error = ENOMEM; tr = twa_get_request(sc, 0); if (tr == NULL) return (EAGAIN); tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_INTERNAL; /* Allocate memory to send data using. */ if ((param = (struct twa_param_9k *) malloc(TWA_SECTOR_SIZE, M_DEVBUF, M_NOWAIT)) == NULL) goto out; memset(param, 0, sizeof(struct twa_param_9k) - 1 + param_size); tr->tr_data = param; tr->tr_length = TWA_SECTOR_SIZE; tr->tr_flags = TWA_CMD_DATA_IN | TWA_CMD_DATA_OUT; /* Build the cmd pkt. */ cmd = &(tr->tr_command->command.cmd_pkt_7k); tr->tr_command->cmd_hdr.header_desc.size_header = 128; cmd->param.opcode = TWA_OP_SET_PARAM; cmd->param.sgl_offset = 2; cmd->param.size = 2; cmd->param.request_id = tr->tr_request_id; cmd->param.unit = 0; cmd->param.param_count = 1; /* Specify which parameter we want to set. */ param->table_id = table_id | TWA_9K_PARAM_DESCRIPTOR; param->parameter_id = param_id; param->parameter_size_bytes = param_size; memcpy(param->data, data, param_size); /* Submit the command. */ if (callback == NULL) { /* There's no call back; wait till the command completes. */ error = twa_immediate_request(tr, TWA_REQUEST_TIMEOUT_PERIOD); if (error == ETIMEDOUT) /* clean-up done by twa_immediate_request */ return(error); if (error) goto out; if ((error = cmd->param.status)) { /* * twa_drain_complete_queue will have done the * unmapping. */ goto out; } free(param, M_DEVBUF); twa_release_request(tr); return(error); } else { /* There's a call back. Simply submit the command. */ tr->tr_callback = callback; if ((error = twa_map_request(tr))) goto out; return (0); } out: if (param) free(param, M_DEVBUF); if (tr) twa_release_request(tr); return(error); } /* * Function name: twa_init_connection * Description: Send init_connection cmd to firmware * * Input: sc -- ptr to per ctlr structure * message_credits -- max # of requests that we might send * down simultaneously. This will be * typically set to 256 at init-time or * after a reset, and to 1 at shutdown-time * set_features -- indicates if we intend to use 64-bit * sg, also indicates if we want to do a * basic or an extended init_connection; * * Note: The following input/output parameters are valid, only in case of an * extended init_connection: * * current_fw_srl -- srl of fw we are bundled * with, if any; 0 otherwise * current_fw_arch_id -- arch_id of fw we are bundled * with, if any; 0 otherwise * current_fw_branch -- branch # of fw we are bundled * with, if any; 0 otherwise * current_fw_build -- build # of fw we are bundled * with, if any; 0 otherwise * Output: fw_on_ctlr_srl -- srl of fw on ctlr * fw_on_ctlr_arch_id -- arch_id of fw on ctlr * fw_on_ctlr_branch -- branch # of fw on ctlr * fw_on_ctlr_build -- build # of fw on ctlr * init_connect_result -- result bitmap of fw response * Return value: 0 -- success * non-zero-- failure */ static int twa_init_connection(struct twa_softc *sc, uint16_t message_credits, uint32_t set_features, uint16_t current_fw_srl, uint16_t current_fw_arch_id, uint16_t current_fw_branch, uint16_t current_fw_build, uint16_t *fw_on_ctlr_srl, uint16_t *fw_on_ctlr_arch_id, uint16_t *fw_on_ctlr_branch, uint16_t *fw_on_ctlr_build, uint32_t *init_connect_result) { struct twa_request *tr; struct twa_command_init_connect *init_connect; int error = 1; /* Get a request packet. */ if ((tr = twa_get_request(sc, 0)) == NULL) goto out; tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_INTERNAL; /* Build the cmd pkt. */ init_connect = &(tr->tr_command->command.cmd_pkt_7k.init_connect); tr->tr_command->cmd_hdr.header_desc.size_header = 128; init_connect->opcode = TWA_OP_INIT_CONNECTION; init_connect->request_id = tr->tr_request_id; init_connect->message_credits = message_credits; init_connect->features = set_features; if (TWA_64BIT_ADDRESSES) init_connect->features |= TWA_64BIT_SG_ADDRESSES; if (set_features & TWA_EXTENDED_INIT_CONNECT) { /* * Fill in the extra fields needed for * an extended init_connect. */ init_connect->size = 6; init_connect->fw_srl = current_fw_srl; init_connect->fw_arch_id = current_fw_arch_id; init_connect->fw_branch = current_fw_branch; } else init_connect->size = 3; /* Submit the command, and wait for it to complete. */ error = twa_immediate_request(tr, TWA_REQUEST_TIMEOUT_PERIOD); if (error == ETIMEDOUT) return(error); /* clean-up done by twa_immediate_request */ if (error) goto out; if ((error = init_connect->status)) { /* twa_drain_complete_queue will have done the unmapping */ goto out; } if (set_features & TWA_EXTENDED_INIT_CONNECT) { *fw_on_ctlr_srl = init_connect->fw_srl; *fw_on_ctlr_arch_id = init_connect->fw_arch_id; *fw_on_ctlr_branch = init_connect->fw_branch; *fw_on_ctlr_build = init_connect->fw_build; *init_connect_result = init_connect->result; } twa_release_request(tr); return(error); out: if (tr) twa_release_request(tr); return(error); } static int twa_reset(struct twa_softc *sc) { int s; int error = 0; /* Set the 'in reset' flag. */ sc->twa_sc_flags |= TWA_STATE_IN_RESET; /* * Disable interrupts from the controller, and mask any * accidental entry into our interrupt handler. */ twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_DISABLE_INTERRUPTS); s = splbio(); /* Soft reset the controller. */ if ((error = twa_soft_reset(sc))) goto out; /* Re-establish logical connection with the controller. */ if ((error = twa_init_connection(sc, TWA_INIT_MESSAGE_CREDITS, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL))) { goto out; } /* * Complete all requests in the complete queue; error back all requests * in the busy queue. Any internal requests will be simply freed. * Re-submit any requests in the pending queue. */ twa_drain_busy_queue(sc); out: splx(s); /* * Enable interrupts, and also clear attention and response interrupts. */ twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT | TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT | TWA_CONTROL_ENABLE_INTERRUPTS); /* Clear the 'in reset' flag. */ sc->twa_sc_flags &= ~TWA_STATE_IN_RESET; return(error); } static int twa_soft_reset(struct twa_softc *sc) { uint32_t status_reg; twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_ISSUE_SOFT_RESET | TWA_CONTROL_CLEAR_HOST_INTERRUPT | TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT | TWA_CONTROL_MASK_COMMAND_INTERRUPT | TWA_CONTROL_MASK_RESPONSE_INTERRUPT | TWA_CONTROL_DISABLE_INTERRUPTS); if (twa_drain_response_queue_large(sc, 30) != 0) { aprint_error_dev(sc->twa_dv, "response queue not empty after reset.\n"); return(1); } if (twa_wait_status(sc, TWA_STATUS_MICROCONTROLLER_READY | TWA_STATUS_ATTENTION_INTERRUPT, 30)) { aprint_error_dev(sc->twa_dv, "no attention interrupt after reset.\n"); return(1); } twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT); if (twa_drain_response_queue(sc)) { aprint_error_dev(sc->twa_dv, "cannot drain response queue.\n"); return(1); } if (twa_drain_aen_queue(sc)) { aprint_error_dev(sc->twa_dv, "cannot drain AEN queue.\n"); return(1); } if (twa_find_aen(sc, TWA_AEN_SOFT_RESET)) { aprint_error_dev(sc->twa_dv, "reset not reported by controller.\n"); return(1); } status_reg = twa_inl(sc, TWA_STATUS_REGISTER_OFFSET); if (TWA_STATUS_ERRORS(status_reg) || twa_check_ctlr_state(sc, status_reg)) { aprint_error_dev(sc->twa_dv, "controller errors detected.\n"); return(1); } return(0); } static int twa_wait_status(struct twa_softc *sc, uint32_t status, uint32_t timeout) { struct timeval t1; time_t end_time; uint32_t status_reg; timeout = (timeout * 1000 * 100); microtime(&t1); end_time = t1.tv_usec + timeout; do { status_reg = twa_inl(sc, TWA_STATUS_REGISTER_OFFSET); /* got the required bit(s)? */ if ((status_reg & status) == status) return(0); DELAY(100000); microtime(&t1); } while (t1.tv_usec <= end_time); return(1); } static int twa_fetch_aen(struct twa_softc *sc) { struct twa_request *tr; int s, error = 0; s = splbio(); if ((tr = twa_get_request(sc, TWA_CMD_AEN)) == NULL) { splx(s); return(EIO); } tr->tr_cmd_pkt_type |= TWA_CMD_PKT_TYPE_INTERNAL; tr->tr_callback = twa_aen_callback; tr->tr_data = malloc(TWA_SECTOR_SIZE, M_DEVBUF, M_NOWAIT); if (twa_request_sense(tr, 0) != 0) { if (tr->tr_data) free(tr->tr_data, M_DEVBUF); twa_release_request(tr); error = 1; } splx(s); return(error); } /* * Function name: twa_aen_callback * Description: Callback for requests to fetch AEN's. * * Input: tr -- ptr to completed request pkt * Output: None * Return value: None */ static void twa_aen_callback(struct twa_request *tr) { int i; int fetch_more_aens = 0; struct twa_softc *sc = tr->tr_sc; struct twa_command_header *cmd_hdr = (struct twa_command_header *)(tr->tr_data); struct twa_command_9k *cmd = &(tr->tr_command->command.cmd_pkt_9k); if (! cmd->status) { if ((tr->tr_cmd_pkt_type & TWA_CMD_PKT_TYPE_9K) && (cmd->cdb[0] == 0x3 /* REQUEST_SENSE */)) if (twa_enqueue_aen(sc, cmd_hdr) != TWA_AEN_QUEUE_EMPTY) fetch_more_aens = 1; } else { cmd_hdr->err_specific_desc[sizeof(cmd_hdr->err_specific_desc) - 1] = '\0'; for (i = 0; i < 18; i++) printf("%x\t", tr->tr_command->cmd_hdr.sense_data[i]); printf("\n"); /* print new line */ for (i = 0; i < 128; i++) printf("%x\t", ((int8_t *)(tr->tr_data))[i]); printf("\n"); /* print new line */ } if (tr->tr_data) free(tr->tr_data, M_DEVBUF); twa_release_request(tr); if (fetch_more_aens) twa_fetch_aen(sc); } /* * Function name: twa_enqueue_aen * Description: Queues AEN's to be supplied to user-space tools on request. * * Input: sc -- ptr to per ctlr structure * cmd_hdr -- ptr to hdr of fw cmd pkt, from where the AEN * details can be retrieved. * Output: None * Return value: None */ static uint16_t twa_enqueue_aen(struct twa_softc *sc, struct twa_command_header *cmd_hdr) { int rv __diagused, s; struct tw_cl_event_packet *event; uint16_t aen_code; unsigned long sync_time; s = splbio(); aen_code = cmd_hdr->status_block.error; switch (aen_code) { case TWA_AEN_SYNC_TIME_WITH_HOST: sync_time = (time_second - (3 * 86400)) % 604800; rv = twa_set_param(sc, TWA_PARAM_TIME_TABLE, TWA_PARAM_TIME_SchedulerTime, 4, &sync_time, twa_aen_callback); #ifdef DIAGNOSTIC if (rv != 0) aprint_error_dev(sc->twa_dv, "unable to sync time with ctlr\n"); #endif break; case TWA_AEN_QUEUE_EMPTY: break; default: /* Queue the event. */ event = sc->twa_aen_queue[sc->twa_aen_head]; if (event->retrieved == TWA_AEN_NOT_RETRIEVED) sc->twa_aen_queue_overflow = TRUE; event->severity = cmd_hdr->status_block.substatus_block.severity; event->time_stamp_sec = time_second; event->aen_code = aen_code; event->retrieved = TWA_AEN_NOT_RETRIEVED; event->sequence_id = ++(sc->twa_current_sequence_id); cmd_hdr->err_specific_desc[sizeof(cmd_hdr->err_specific_desc) - 1] = '\0'; event->parameter_len = strlen(cmd_hdr->err_specific_desc); memcpy(event->parameter_data, cmd_hdr->err_specific_desc, event->parameter_len); if (event->severity < TWA_AEN_SEVERITY_DEBUG) { printf("%s: AEN 0x%04X: %s: %s: %s\n", device_xname(sc->twa_dv), aen_code, twa_aen_severity_table[event->severity], twa_find_msg_string(twa_aen_table, aen_code), event->parameter_data); } if ((sc->twa_aen_head + 1) == TWA_Q_LENGTH) sc->twa_aen_queue_wrapped = TRUE; sc->twa_aen_head = (sc->twa_aen_head + 1) % TWA_Q_LENGTH; break; } /* switch */ splx(s); return (aen_code); } /* * Function name: twa_find_aen * Description: Reports whether a given AEN ever occurred. * * Input: sc -- ptr to per ctlr structure * aen_code-- AEN to look for * Output: None * Return value: 0 -- success * non-zero-- failure */ static int twa_find_aen(struct twa_softc *sc, uint16_t aen_code) { uint32_t last_index; int s; int i; s = splbio(); if (sc->twa_aen_queue_wrapped) last_index = sc->twa_aen_head; else last_index = 0; i = sc->twa_aen_head; do { i = (i + TWA_Q_LENGTH - 1) % TWA_Q_LENGTH; if ((sc->twa_aen_queue[i])->aen_code == aen_code) { splx(s); return(0); } } while (i != last_index); splx(s); return(1); } static inline void twa_request_init(struct twa_request *tr, int flags) { tr->tr_data = NULL; tr->tr_real_data = NULL; tr->tr_length = 0; tr->tr_real_length = 0; tr->tr_status = TWA_CMD_SETUP;/* command is in setup phase */ tr->tr_flags = flags; tr->tr_error = 0; tr->tr_callback = NULL; tr->tr_cmd_pkt_type = 0; tr->bp = 0; /* * Look at the status field in the command packet to see how * it completed the last time it was used, and zero out only * the portions that might have changed. Note that we don't * care to zero out the sglist. */ if (tr->tr_command->command.cmd_pkt_9k.status) memset(tr->tr_command, 0, sizeof(struct twa_command_header) + 28); else memset(&(tr->tr_command->command), 0, 28); } struct twa_request * twa_get_request_wait(struct twa_softc *sc, int flags) { struct twa_request *tr; int s; KASSERT((flags & TWA_CMD_AEN) == 0); s = splbio(); while ((tr = TAILQ_FIRST(&sc->twa_free)) == NULL) { sc->twa_sc_flags |= TWA_STATE_REQUEST_WAIT; (void) tsleep(&sc->twa_free, PRIBIO, "twaccb", hz); } TAILQ_REMOVE(&sc->twa_free, tr, tr_link); splx(s); twa_request_init(tr, flags); return(tr); } struct twa_request * twa_get_request(struct twa_softc *sc, int flags) { int s; struct twa_request *tr; /* Get a free request packet. */ s = splbio(); if (__predict_false((flags & TWA_CMD_AEN) != 0)) { if ((sc->sc_twa_request->tr_flags & TWA_CMD_AEN_BUSY) == 0) { tr = sc->sc_twa_request; flags |= TWA_CMD_AEN_BUSY; } else { splx(s); return (NULL); } } else { if (__predict_false((tr = TAILQ_FIRST(&sc->twa_free)) == NULL)) { splx(s); return (NULL); } TAILQ_REMOVE(&sc->twa_free, tr, tr_link); } splx(s); twa_request_init(tr, flags); return(tr); } /* * Print some information about the controller */ static void twa_describe_controller(struct twa_softc *sc) { struct twa_param_9k *p[10]; int i, rv = 0; uint32_t dsize; uint8_t ports; memset(p, 0, sizeof(p)); /* Get the port count. */ rv |= twa_get_param(sc, TWA_PARAM_CONTROLLER, TWA_PARAM_CONTROLLER_PortCount, 1, NULL, &p[0]); /* get version strings */ rv |= twa_get_param(sc, TWA_PARAM_VERSION, TWA_PARAM_VERSION_FW, 16, NULL, &p[1]); rv |= twa_get_param(sc, TWA_PARAM_VERSION, TWA_PARAM_VERSION_BIOS, 16, NULL, &p[2]); rv |= twa_get_param(sc, TWA_PARAM_VERSION, TWA_PARAM_VERSION_Mon, 16, NULL, &p[3]); rv |= twa_get_param(sc, TWA_PARAM_VERSION, TWA_PARAM_VERSION_PCBA, 8, NULL, &p[4]); rv |= twa_get_param(sc, TWA_PARAM_VERSION, TWA_PARAM_VERSION_ATA, 8, NULL, &p[5]); rv |= twa_get_param(sc, TWA_PARAM_VERSION, TWA_PARAM_VERSION_PCI, 8, NULL, &p[6]); rv |= twa_get_param(sc, TWA_PARAM_DRIVESUMMARY, TWA_PARAM_DRIVESTATUS, 16, NULL, &p[7]); if (rv) { /* some error occurred */ aprint_error_dev(sc->twa_dv, "failed to fetch version information\n"); goto bail; } ports = *(uint8_t *)(p[0]->data); aprint_normal_dev(sc->twa_dv, "%d ports, Firmware %.16s, BIOS %.16s\n", ports, p[1]->data, p[2]->data); aprint_verbose_dev(sc->twa_dv, "Monitor %.16s, PCB %.8s, Achip %.8s, Pchip %.8s\n", p[3]->data, p[4]->data, p[5]->data, p[6]->data); for (i = 0; i < ports; i++) { if ((*((char *)(p[7]->data + i)) & TWA_DRIVE_DETECTED) == 0) continue; rv = twa_get_param(sc, TWA_PARAM_DRIVE_TABLE + i, TWA_PARAM_DRIVEMODELINDEX, TWA_PARAM_DRIVEMODEL_LENGTH, NULL, &p[8]); if (rv != 0) { aprint_error_dev(sc->twa_dv, "unable to get drive model for port %d\n", i); continue; } rv = twa_get_param(sc, TWA_PARAM_DRIVE_TABLE + i, TWA_PARAM_DRIVESIZEINDEX, TWA_PARAM_DRIVESIZE_LENGTH, NULL, &p[9]); if (rv != 0) { aprint_error_dev(sc->twa_dv, "unable to get drive size" " for port %d\n", i); free(p[8], M_DEVBUF); continue; } dsize = *(uint32_t *)(p[9]->data); aprint_verbose_dev(sc->twa_dv, "port %d: %.40s %d MB\n", i, p[8]->data, dsize / 2048); if (p[8]) free(p[8], M_DEVBUF); if (p[9]) free(p[9], M_DEVBUF); } bail: if (p[0]) free(p[0], M_DEVBUF); if (p[1]) free(p[1], M_DEVBUF); if (p[2]) free(p[2], M_DEVBUF); if (p[3]) free(p[3], M_DEVBUF); if (p[4]) free(p[4], M_DEVBUF); if (p[5]) free(p[5], M_DEVBUF); if (p[6]) free(p[6], M_DEVBUF); } /* * Function name: twa_check_ctlr_state * Description: Makes sure that the fw status register reports a * proper status. * * Input: sc -- ptr to per ctlr structure * status_reg -- value in the status register * Output: None * Return value: 0 -- no errors * non-zero-- errors */ static int twa_check_ctlr_state(struct twa_softc *sc, uint32_t status_reg) { int result = 0; struct timeval t1; static time_t last_warning[2] = {0, 0}; /* Check if the 'micro-controller ready' bit is not set. */ if ((status_reg & TWA_STATUS_EXPECTED_BITS) != TWA_STATUS_EXPECTED_BITS) { microtime(&t1); last_warning[0] += (5 * 1000 * 100); if (t1.tv_usec > last_warning[0]) { microtime(&t1); last_warning[0] = t1.tv_usec; } result = 1; } /* Check if any error bits are set. */ if ((status_reg & TWA_STATUS_UNEXPECTED_BITS) != 0) { microtime(&t1); last_warning[1] += (5 * 1000 * 100); if (t1.tv_usec > last_warning[1]) { microtime(&t1); last_warning[1] = t1.tv_usec; } if (status_reg & TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT) { aprint_error_dev(sc->twa_dv, "clearing PCI parity " "error re-seat/move/replace card.\n"); twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_PARITY_ERROR); pci_conf_write(sc->pc, sc->tag, PCI_COMMAND_STATUS_REG, TWA_PCI_CONFIG_CLEAR_PARITY_ERROR); } if (status_reg & TWA_STATUS_PCI_ABORT_INTERRUPT) { aprint_error_dev(sc->twa_dv, "clearing PCI abort\n"); twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_PCI_ABORT); pci_conf_write(sc->pc, sc->tag, PCI_COMMAND_STATUS_REG, TWA_PCI_CONFIG_CLEAR_PCI_ABORT); } if (status_reg & TWA_STATUS_QUEUE_ERROR_INTERRUPT) { /* * As documented by 3ware, the 9650 erroneously * flags queue errors during resets. * Just ignore them during the reset instead of * bothering the console. */ if ((sc->sc_product_id != PCI_PRODUCT_3WARE_9650) || ((sc->twa_sc_flags & TWA_STATE_IN_RESET) == 0)) { aprint_error_dev(sc->twa_dv, "clearing controller queue error\n"); } twa_outl(sc, TWA_CONTROL_REGISTER_OFFSET, TWA_CONTROL_CLEAR_QUEUE_ERROR); } if (status_reg & TWA_STATUS_MICROCONTROLLER_ERROR) { aprint_error_dev(sc->twa_dv, "micro-controller error\n"); result = 1; } } return(result); } MODULE(MODULE_CLASS_DRIVER, twa, "pci"); #ifdef _MODULE #include "ioconf.c" #endif static int twa_modcmd(modcmd_t cmd, void *opaque) { int error = 0; #ifdef _MODULE switch (cmd) { case MODULE_CMD_INIT: error = config_init_component(cfdriver_ioconf_twa, cfattach_ioconf_twa, cfdata_ioconf_twa); break; case MODULE_CMD_FINI: error = config_fini_component(cfdriver_ioconf_twa, cfattach_ioconf_twa, cfdata_ioconf_twa); break; default: error = ENOTTY; break; } #endif return error; }