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aac.c
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aac_cam.c
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aac_debug.c
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aac_disk.c
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aac_linux.c
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aac_pci.c
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aac_tables.h
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aacreg.h
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aacvar.h
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Editing: aacvar.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2000 Michael Smith * Copyright (c) 2001 Scott Long * Copyright (c) 2000 BSDi * Copyright (c) 2001 Adaptec, Inc. * 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. * * $FreeBSD$ */ #include <sys/bio.h> #include <sys/callout.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/selinfo.h> #include <sys/sysctl.h> #include <sys/taskqueue.h> #include <geom/geom_disk.h> SYSCTL_DECL(_hw_aac); #define AAC_TYPE_DEVO 1 #define AAC_TYPE_ALPHA 2 #define AAC_TYPE_BETA 3 #define AAC_TYPE_RELEASE 4 #define AAC_DRIVER_MAJOR_VERSION 2 #define AAC_DRIVER_MINOR_VERSION 1 #define AAC_DRIVER_BUGFIX_LEVEL 9 #define AAC_DRIVER_TYPE AAC_TYPE_RELEASE #ifndef AAC_DRIVER_BUILD # define AAC_DRIVER_BUILD 1 #endif /* * Driver Parameter Definitions */ /* * The firmware interface allows for a 16-bit s/g list length. We limit * ourselves to a reasonable maximum and ensure alignment. */ #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ /* * We allocate a small set of FIBs for the adapter to use to send us messages. */ #define AAC_ADAPTER_FIBS 8 /* * The controller reports status events in AIFs. We hang on to a number of * these in order to pass them out to user-space management tools. */ #define AAC_AIFQ_LENGTH 64 /* * Firmware messages are passed in the printf buffer. */ #define AAC_PRINTF_BUFSIZE 256 /* * We wait this many seconds for the adapter to come ready if it is still * booting */ #define AAC_BOOT_TIMEOUT (3 * 60) /* * Timeout for immediate commands. */ #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ /* * Timeout for normal commands */ #define AAC_CMD_TIMEOUT 120 /* seconds */ /* * Rate at which we periodically check for timed out commands and kick the * controller. */ #define AAC_PERIODIC_INTERVAL 20 /* seconds */ /* * Per-container data structure */ struct aac_container { struct aac_mntobj co_mntobj; device_t co_disk; int co_found; TAILQ_ENTRY(aac_container) co_link; }; /* * Per-SIM data structure */ struct aac_cam; struct aac_sim { device_t sim_dev; int TargetsPerBus; int BusNumber; int InitiatorBusId; struct aac_softc *aac_sc; struct aac_cam *aac_cam; TAILQ_ENTRY(aac_sim) sim_link; }; /* * Per-disk structure */ struct aac_disk { device_t ad_dev; struct aac_softc *ad_controller; struct aac_container *ad_container; struct disk *ad_disk; int ad_flags; #define AAC_DISK_OPEN (1<<0) int ad_cylinders; int ad_heads; int ad_sectors; u_int64_t ad_size; int unit; }; /* * Per-command control structure. */ struct aac_command { TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ struct aac_softc *cm_sc; /* controller that owns us */ struct aac_fib *cm_fib; /* FIB associated with this * command */ u_int64_t cm_fibphys; /* bus address of the FIB */ void *cm_data; /* pointer to data in kernel * space */ u_int32_t cm_datalen; /* data length */ bus_dmamap_t cm_datamap; /* DMA map for bio data */ struct aac_sg_table *cm_sgtable; /* pointer to s/g table in * command */ u_int cm_flags; #define AAC_CMD_MAPPED (1<<0) /* command has had its data * mapped */ #define AAC_CMD_DATAIN (1<<1) /* command involves data moving * from controller to host */ #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving * from host to controller */ #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ #define AAC_ON_AACQ_FREE (1<<5) #define AAC_ON_AACQ_READY (1<<6) #define AAC_ON_AACQ_BUSY (1<<7) #define AAC_ON_AACQ_AIF (1<<8) #define AAC_ON_AACQ_NORM (1<<10) #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) #define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of * commands on the queue. */ #define AAC_REQ_BIO (1 << 11) #define AAC_REQ_CCB (1 << 12) void (*cm_complete)(struct aac_command *cm); void *cm_private; time_t cm_timestamp; /* command creation time */ int cm_queue; int cm_index; }; struct aac_fibmap { TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ struct aac_fib *aac_fibs; bus_dmamap_t aac_fibmap; struct aac_command *aac_commands; }; /* * We gather a number of adapter-visible items into a single structure. * * The ordering of this strucure may be important; we copy the Linux driver: * * Adapter FIBs * Init struct * Queue headers (Comm Area) * Printf buffer * * In addition, we add: * Sync Fib */ struct aac_common { /* fibs for the controller to send us messages */ struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; /* the init structure */ struct aac_adapter_init ac_init; /* arena within which the queue structures are kept */ u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN]; /* buffer for text messages from the controller */ char ac_printf[AAC_PRINTF_BUFSIZE]; /* fib for synchronous commands */ struct aac_fib ac_sync_fib; }; /* * Interface operations */ struct aac_interface { int (*aif_get_fwstatus)(struct aac_softc *sc); void (*aif_qnotify)(struct aac_softc *sc, int qbit); int (*aif_get_istatus)(struct aac_softc *sc); void (*aif_clr_istatus)(struct aac_softc *sc, int mask); void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, u_int32_t arg0, u_int32_t arg1, u_int32_t arg2, u_int32_t arg3); int (*aif_get_mailbox)(struct aac_softc *sc, int mb); void (*aif_set_interrupts)(struct aac_softc *sc, int enable); int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); int (*aif_get_outb_queue)(struct aac_softc *sc); void (*aif_set_outb_queue)(struct aac_softc *sc, int index); }; extern const struct aac_interface aac_rx_interface; extern const struct aac_interface aac_sa_interface; extern const struct aac_interface aac_fa_interface; extern const struct aac_interface aac_rkt_interface; #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if->aif_get_fwstatus((sc))) #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if->aif_qnotify((sc), (qbit))) #define AAC_GET_ISTATUS(sc) ((sc)->aac_if->aif_get_istatus((sc))) #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if->aif_clr_istatus((sc), \ (mask))) #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ ((sc)->aac_if->aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ (arg3))) #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if->aif_get_mailbox((sc), \ (mb))) #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if->aif_set_interrupts((sc), \ 0)) #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if->aif_set_interrupts((sc), \ 1)) #define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if->aif_send_command((sc), (cm))) #define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if->aif_get_outb_queue((sc))) #define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if->aif_set_outb_queue((sc), (idx))) #define AAC_MEM0_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag0, \ sc->aac_bhandle0, reg, val) #define AAC_MEM0_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag0, \ sc->aac_bhandle0, reg) #define AAC_MEM0_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag0, \ sc->aac_bhandle0, reg, val) #define AAC_MEM0_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag0, \ sc->aac_bhandle0, reg) #define AAC_MEM0_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag0, \ sc->aac_bhandle0, reg, val) #define AAC_MEM0_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag0, \ sc->aac_bhandle0, reg) #define AAC_MEM1_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag1, \ sc->aac_bhandle1, reg, val) #define AAC_MEM1_GETREG4(sc, reg) bus_space_read_4(sc->aac_btag1, \ sc->aac_bhandle1, reg) #define AAC_MEM1_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag1, \ sc->aac_bhandle1, reg, val) #define AAC_MEM1_GETREG2(sc, reg) bus_space_read_2(sc->aac_btag1, \ sc->aac_bhandle1, reg) #define AAC_MEM1_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag1, \ sc->aac_bhandle1, reg, val) #define AAC_MEM1_GETREG1(sc, reg) bus_space_read_1(sc->aac_btag1, \ sc->aac_bhandle1, reg) /* fib context (IOCTL) */ struct aac_fib_context { u_int32_t unique; int ctx_idx; int ctx_wrap; struct aac_fib_context *next, *prev; }; /* * Per-controller structure. */ struct aac_softc { /* bus connections */ device_t aac_dev; struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */ bus_space_handle_t aac_bhandle0, aac_bhandle1; /* bus space handle */ bus_space_tag_t aac_btag0, aac_btag1; /* bus space tag */ bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ bus_dma_tag_t aac_buffer_dmat; /* data buffer/command * DMA tag */ struct resource *aac_irq; /* interrupt */ void *aac_intr; /* interrupt handle */ eventhandler_tag eh; /* controller features, limits and status */ int aac_state; #define AAC_STATE_SUSPEND (1<<0) #define AAC_STATE_UNUSED0 (1<<1) #define AAC_STATE_INTERRUPTS_ON (1<<2) #define AAC_STATE_AIF_SLEEPER (1<<3) struct FsaRevision aac_revision; /* controller hardware interface */ int aac_hwif; #define AAC_HWIF_I960RX 0 #define AAC_HWIF_STRONGARM 1 #define AAC_HWIF_RKT 3 #define AAC_HWIF_NARK 4 #define AAC_HWIF_UNKNOWN -1 bus_dma_tag_t aac_common_dmat; /* common structure * DMA tag */ bus_dmamap_t aac_common_dmamap; /* common structure * DMA map */ struct aac_common *aac_common; u_int32_t aac_common_busaddr; const struct aac_interface *aac_if; /* command/fib resources */ bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; u_int total_fibs; struct aac_command *aac_commands; /* command management */ TAILQ_HEAD(,aac_command) aac_free; /* command structures * available for reuse */ TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for * controller resources */ TAILQ_HEAD(,aac_command) aac_busy; TAILQ_HEAD(,aac_event) aac_ev_cmfree; struct bio_queue_head aac_bioq; struct aac_queue_table *aac_queues; struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ /* connected containters */ TAILQ_HEAD(,aac_container) aac_container_tqh; struct mtx aac_container_lock; /* * The general I/O lock. This protects the sync fib, the lists, the * queues, and the registers. */ struct mtx aac_io_lock; /* delayed activity infrastructure */ struct task aac_task_complete; /* deferred-completion * task */ struct intr_config_hook aac_ich; /* management interface */ struct cdev *aac_dev_t; struct mtx aac_aifq_lock; struct aac_fib aac_aifq[AAC_AIFQ_LENGTH]; int aifq_idx; int aifq_filled; struct aac_fib_context *fibctx; struct selinfo rcv_select; struct proc *aifthread; int aifflags; #define AAC_AIFFLAGS_RUNNING (1 << 0) #define AAC_AIFFLAGS_UNUSED0 (1 << 1) #define AAC_AIFFLAGS_EXIT (1 << 2) #define AAC_AIFFLAGS_EXITED (1 << 3) #define AAC_AIFFLAGS_UNUSED1 (1 << 4) #define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) #define AAC_AIFFLAGS_PENDING AAC_AIFFLAGS_ALLOCFIBS u_int32_t flags; #define AAC_FLAGS_PERC2QC (1 << 0) #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ #define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem * 2GB-4GB range */ #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ #define AAC_FLAGS_SLAVE (1 << 9) #define AAC_FLAGS_MASTER (1 << 10) #define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ #define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ #define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ #define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */ #define AAC_FLAGS_NOMSI (1U << 31) /* Broken MSI */ u_int32_t supported_options; u_int32_t scsi_method_id; TAILQ_HEAD(,aac_sim) aac_sim_tqh; struct callout aac_daemontime; /* clock daemon callout */ u_int32_t aac_max_fibs; /* max. FIB count */ u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ u_int32_t aac_max_fib_size; /* max. FIB size */ u_int32_t aac_sg_tablesize; /* max. sg count from host */ u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ #define AAC_CAM_TARGET_WILDCARD ~0 void (*cam_rescan_cb)(struct aac_softc *, uint32_t, uint32_t); }; /* * Event callback mechanism for the driver */ #define AAC_EVENT_NONE 0x00 #define AAC_EVENT_CMFREE 0x01 #define AAC_EVENT_MASK 0xff #define AAC_EVENT_REPEAT 0x100 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, void *arg); struct aac_event { TAILQ_ENTRY(aac_event) ev_links; int ev_type; aac_event_cb_t *ev_callback; void *ev_arg; }; /* * Public functions */ extern void aac_free(struct aac_softc *sc); extern int aac_attach(struct aac_softc *sc); extern int aac_detach(device_t dev); extern int aac_shutdown(device_t dev); extern int aac_suspend(device_t dev); extern int aac_resume(device_t dev); extern void aac_new_intr(void *arg); extern int aac_filter(void *arg); extern void aac_submit_bio(struct bio *bp); extern void aac_biodone(struct bio *bp); extern void aac_startio(struct aac_softc *sc); extern int aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp); extern void aac_release_command(struct aac_command *cm); extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate, struct aac_fib *fib, u_int16_t datasize); extern void aac_add_event(struct aac_softc *sc, struct aac_event *event); #ifdef AAC_DEBUG extern int aac_debug_enable; # define fwprintf(sc, flags, fmt, args...) \ do { \ if (!aac_debug_enable) \ break; \ if (sc != NULL) \ device_printf(((struct aac_softc *)sc)->aac_dev, \ "%s: " fmt "\n", __func__, ##args); \ else \ printf("%s: " fmt "\n", __func__, ##args); \ } while(0) extern void aac_print_queues(struct aac_softc *sc); extern void aac_panic(struct aac_softc *sc, char *reason); extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, const char *caller); extern void aac_print_aif(struct aac_softc *sc, struct aac_aif_command *aif); #define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) #else # define fwprintf(sc, flags, fmt, args...) # define aac_print_queues(sc) # define aac_panic(sc, reason) # define AAC_PRINT_FIB(sc, fib) # define aac_print_aif(sc, aac_aif_command) #endif struct aac_code_lookup { const char *string; u_int32_t code; }; /* * Queue primitives for driver queues. */ #define AACQ_ADD(sc, qname) \ do { \ struct aac_qstat *qs; \ \ qs = &(sc)->aac_qstat[qname]; \ \ qs->q_length++; \ if (qs->q_length > qs->q_max) \ qs->q_max = qs->q_length; \ } while (0) #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- #define AACQ_INIT(sc, qname) \ do { \ sc->aac_qstat[qname].q_length = 0; \ sc->aac_qstat[qname].q_max = 0; \ } while (0) #define AACQ_COMMAND_QUEUE(name, index) \ static __inline void \ aac_initq_ ## name (struct aac_softc *sc) \ { \ TAILQ_INIT(&sc->aac_ ## name); \ AACQ_INIT(sc, index); \ } \ static __inline void \ aac_enqueue_ ## name (struct aac_command *cm) \ { \ if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ panic("aac: command %p is on another queue, flags = %#x", \ cm, cm->cm_flags); \ } \ TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ cm->cm_flags |= AAC_ON_ ## index; \ AACQ_ADD(cm->cm_sc, index); \ } \ static __inline void \ aac_requeue_ ## name (struct aac_command *cm) \ { \ if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ panic("aac: command %p is on another queue, flags = %#x", \ cm, cm->cm_flags); \ } \ TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ cm->cm_flags |= AAC_ON_ ## index; \ AACQ_ADD(cm->cm_sc, index); \ } \ static __inline struct aac_command * \ aac_dequeue_ ## name (struct aac_softc *sc) \ { \ struct aac_command *cm; \ \ if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ cm, cm->cm_flags, AAC_ON_ ## index); \ } \ TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ cm->cm_flags &= ~AAC_ON_ ## index; \ AACQ_REMOVE(sc, index); \ } \ return(cm); \ } \ static __inline void \ aac_remove_ ## name (struct aac_command *cm) \ { \ if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ panic("aac: command %p not in queue, flags = %#x, bit = %#x", \ cm, cm->cm_flags, AAC_ON_ ## index); \ } \ TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ cm->cm_flags &= ~AAC_ON_ ## index; \ AACQ_REMOVE(cm->cm_sc, index); \ } \ AACQ_COMMAND_QUEUE(free, AACQ_FREE); AACQ_COMMAND_QUEUE(ready, AACQ_READY); AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); /* * outstanding bio queue */ static __inline void aac_initq_bio(struct aac_softc *sc) { bioq_init(&sc->aac_bioq); AACQ_INIT(sc, AACQ_BIO); } static __inline void aac_enqueue_bio(struct aac_softc *sc, struct bio *bp) { bioq_insert_tail(&sc->aac_bioq, bp); AACQ_ADD(sc, AACQ_BIO); } static __inline struct bio * aac_dequeue_bio(struct aac_softc *sc) { struct bio *bp; if ((bp = bioq_first(&sc->aac_bioq)) != NULL) { bioq_remove(&sc->aac_bioq, bp); AACQ_REMOVE(sc, AACQ_BIO); } return(bp); } static __inline void aac_print_printf(struct aac_softc *sc) { /* * XXX We have the ability to read the length of the printf string * from out of the mailboxes. */ device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, sc->aac_common->ac_printf); sc->aac_common->ac_printf[0] = 0; AAC_QNOTIFY(sc, AAC_DB_PRINTF); } static __inline int aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) { mtx_assert(&sc->aac_io_lock, MA_OWNED); *fib = &sc->aac_common->ac_sync_fib; return (0); } static __inline void aac_release_sync_fib(struct aac_softc *sc) { mtx_assert(&sc->aac_io_lock, MA_OWNED); }
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