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freebsd-dev/sys/dev/aacraid/aacraid_var.h
Leandro Lupori 9c2c635319 aacraid: reduce max I/O size to avoid DMA issues 
Reserve one page for the DMA subsystem, that may need it when the I/O
buffer is not page aligned.

Without this change, writes with the maximum allowed size failed, if:
- physical memory was fragmented, making it necessary to use one DMA
  segment for each page
- the buffer to be written was not page aligned, causing the DMA
  subsystem to need one extra segment

In the scenario above, the DMA subsystem would run out of segments,
resulting in a write with no SG segments, that would fail.

Reviewed by:		imp
MFC after:		2 weeks
Sponsored by:		Instituto de Pesquisas Eldorado (eldorado.org.br)
Differential Revision:	https://reviews.freebsd.org/D30798
2021-06-21 15:04:43 -03:00

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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2001 Scott Long
* Copyright (c) 2000 BSDi
* Copyright (c) 2001-2010 Adaptec, Inc.
* Copyright (c) 2010-2012 PMC-Sierra, 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/taskqueue.h>
#include <sys/selinfo.h>
#include <geom/geom_disk.h>
#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 3
#define AAC_DRIVER_MINOR_VERSION 2
#define AAC_DRIVER_BUGFIX_LEVEL 10
#define AAC_DRIVER_TYPE AAC_TYPE_RELEASE
#ifndef AAC_DRIVER_BUILD
# define AAC_DRIVER_BUILD 1
#endif
/* **************************** NewBUS interrupt Crock ************************/
#define aac_bus_setup_intr bus_setup_intr
/* **************************** NewBUS CAM Support ****************************/
#define aac_xpt_bus_register xpt_bus_register
/**************************** Kernel Thread Support ***************************/
#define aac_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
#define aac_kthread_exit(status) \
kproc_exit(status)
/*
* Driver Parameter Definitions
*/
/*
* 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)
/*
* We wait this many seconds for the adapter to come ready
* after flash update
*/
#define AAC_FWUPD_TIMEOUT (5 * 60)
/*
* Timeout for sync. commands.
*/
#define AAC_SYNC_TIMEOUT 180 /* seconds */
/*
* Timeout for normal commands
*/
#define AAC_CMD_TIMEOUT 180 /* seconds */
/*
* Rate at which we periodically check for timed out commands and kick the
* controller.
*/
#define AAC_PERIODIC_INTERVAL 20 /* seconds */
#define PASSTHROUGH_BUS 0
#define CONTAINER_BUS 1
/*
* Per-container data structure
*/
struct aac_container
{
struct aac_mntobj co_mntobj;
int co_found;
u_int32_t co_uid;
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 BusType;
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 */
struct bio *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 */
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_CMD_RESET (1<<9)
#define AAC_CMD_FASTRESP (1<<11)
#define AAC_CMD_WAIT (1<<12)
void (* cm_complete)(struct aac_command *cm);
union ccb *cm_ccb;
time_t cm_timestamp; /* command creation time */
int cm_index;
bus_dma_tag_t cm_passthr_dmat; /* passthrough buffer/command
* DMA tag */
};
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;
/* buffer for text messages from the controller */
char ac_printf[AAC_PRINTF_BUFSIZE];
/* fib for synchronous commands */
struct aac_fib ac_sync_fib;
/* response buffer for SRC (new comm. type1) - must be last element */
u_int32_t ac_host_rrq[0];
};
/*
* 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_access_devreg)(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 struct aac_interface aacraid_src_interface;
extern struct aac_interface aacraid_srcv_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_ACCESS_DEVREG(sc, mode) ((sc)->aac_if.aif_access_devreg((sc), \
mode))
#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;
};
/* MSIX context */
struct aac_msix_ctx {
int vector_no;
struct aac_softc *sc;
};
/*
* Per-controller structure.
*/
struct aac_softc
{
/* bus connections */
device_t aac_dev;
struct resource *aac_regs_res0, *aac_regs_res1; /* reg. if. window */
int aac_regs_rid0, aac_regs_rid1; /* resource ID */
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[AAC_MAX_MSIX]; /* interrupt */
int aac_irq_rid[AAC_MAX_MSIX];
void *aac_intr[AAC_MAX_MSIX]; /* interrupt handle */
struct aac_msix_ctx aac_msix[AAC_MAX_MSIX]; /* context */
eventhandler_tag eh;
struct callout aac_daemontime; /* clock daemon callout */
/* 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)
#define AAC_STATE_RESET (1<<4)
struct FsaRevision aac_revision;
/* controller hardware interface */
int aac_hwif;
#define AAC_HWIF_SRC 5
#define AAC_HWIF_SRCV 6
#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;
u_int32_t aac_host_rrq_idx[AAC_MAX_MSIX];
u_int32_t aac_rrq_outstanding[AAC_MAX_MSIX];
u_int32_t aac_fibs_pushed_no;
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_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;
struct intr_config_hook aac_ich;
/* sync. transfer mode */
struct aac_command *aac_sync_cm;
/* 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;
int aif_pending;
struct aac_fib_context *fibctx;
struct selinfo rcv_select;
struct proc *aifthread;
int aifflags;
#define AAC_AIFFLAGS_RUNNING (1 << 0)
#define AAC_AIFFLAGS_AIF (1 << 1)
#define AAC_AIFFLAGS_EXIT (1 << 2)
#define AAC_AIFFLAGS_EXITED (1 << 3)
#define AAC_AIFFLAGS_PRINTF (1 << 4)
#define AAC_AIFFLAGS_ALLOCFIBS (1 << 5)
#define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
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_QUEUE_FRZN (1 << 15) /* Freeze the processing of
* commands on the queue. */
#define AAC_FLAGS_NEW_COMM_TYPE1 (1 << 16) /* New comm. type1 supported */
#define AAC_FLAGS_NEW_COMM_TYPE2 (1 << 17) /* New comm. type2 supported */
#define AAC_FLAGS_NEW_COMM_TYPE34 (1 << 18) /* New comm. type3/4 */
#define AAC_FLAGS_SYNC_MODE (1 << 18) /* Sync. transfer mode */
u_int32_t hint_flags; /* driver parameters */
int sim_freezed; /* flag for sim_freeze/release */
u_int32_t supported_options;
u_int32_t scsi_method_id;
TAILQ_HEAD(,aac_sim) aac_sim_tqh;
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) */
u_int32_t aac_feature_bits; /* feature bits from suppl. info */
u_int32_t aac_support_opt2; /* supp. options from suppl. info */
u_int32_t aac_max_aif; /* max. AIF count */
u_int32_t doorbell_mask; /* for IOP reset */
u_int32_t aac_max_msix; /* max. MSI-X vectors */
u_int32_t aac_vector_cap; /* MSI-X vector capab.*/
int msi_enabled; /* MSI/MSI-X enabled */
int msi_tupelo; /* Series 6 support for */
/* single MSI interrupt */
#define AAC_CAM_TARGET_WILDCARD ~0
void (*cam_rescan_cb)(struct aac_softc *, uint32_t,
uint32_t);
u_int32_t DebugFlags; /* Debug print flags bitmap */
u_int32_t DebugOffset; /* Offset from DPMEM start */
u_int32_t DebugHeaderSize; /* Size of debug header */
u_int32_t FwDebugFlags; /* FW Debug Flags */
u_int32_t FwDebugBufferSize; /* FW Debug Buffer size */
};
/*
* Max. I/O size in bytes.
* Reserve one page for the DMA subsystem, that may need it when the
* I/O buffer is not page aligned.
*/
#define AAC_MAXIO_SIZE(sc) MIN(((sc)->aac_max_sectors << 9) - PAGE_SIZE, \
maxphys)
/*
* 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 aacraid_free(struct aac_softc *sc);
extern int aacraid_attach(struct aac_softc *sc);
extern int aacraid_detach(device_t dev);
extern int aacraid_shutdown(device_t dev);
extern int aacraid_suspend(device_t dev);
extern int aacraid_resume(device_t dev);
extern void aacraid_new_intr_type1(void *arg);
extern void aacraid_submit_bio(struct bio *bp);
extern void aacraid_biodone(struct bio *bp);
extern void aacraid_startio(struct aac_softc *sc);
extern int aacraid_alloc_command(struct aac_softc *sc,
struct aac_command **cmp);
extern void aacraid_release_command(struct aac_command *cm);
extern void aacraid_add_event(struct aac_softc *sc, struct aac_event
*event);
extern void aacraid_map_command_sg(void *arg, bus_dma_segment_t *segs,
int nseg, int error);
extern int aacraid_wait_command(struct aac_command *cmp);
#ifdef AACRAID_DEBUG
# define fwprintf(sc, flags, fmt, args...) \
aacraid_fw_printf(sc, flags, "%s: " fmt, __func__, ##args);
extern void aacraid_print_queues(struct aac_softc *sc);
extern void aacraid_print_fib(struct aac_softc *sc, struct aac_fib *fib,
const char *caller);
extern void aacraid_print_aif(struct aac_softc *sc,
struct aac_aif_command *aif);
#define AAC_PRINT_FIB(sc, fib) aacraid_print_fib(sc, fib, __func__)
#else
# define fwprintf(sc, flags, fmt, args...)
# define aacraid_print_queues(sc)
# define AAC_PRINT_FIB(sc, fib)
# define aacraid_print_aif(sc, aac_aif_command)
#endif
struct aac_code_lookup {
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) { \
printf("command %p is on another queue, flags = %#x\n", \
cm, cm->cm_flags); \
panic("command is on another queue"); \
} \
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) { \
printf("command %p is on another queue, flags = %#x\n", \
cm, cm->cm_flags); \
panic("command is on another queue"); \
} \
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) { \
printf("command %p not in queue, flags = %#x, " \
"bit = %#x\n", cm, cm->cm_flags, \
AAC_ON_ ## index); \
panic("command not in queue"); \
} \
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) { \
printf("command %p not in queue, flags = %#x, " \
"bit = %#x\n", cm, cm->cm_flags, \
AAC_ON_ ## index); \
panic("command not in queue"); \
} \
TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \
cm->cm_flags &= ~AAC_ON_ ## index; \
AACQ_REMOVE(cm->cm_sc, index); \
} \
struct hack
AACQ_COMMAND_QUEUE(free, AACQ_FREE);
AACQ_COMMAND_QUEUE(ready, AACQ_READY);
AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
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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