freebsd-dev/sys/dev/hptiop/hptiop.h
Scott Long 4439f8b4b6 Introduce a driver for the Highpoint RocketRAID 3xxx series of controllers.
The driver relies on CAM.

Many thanks to Highpoint for providing this driver.
2007-05-09 07:07:26 +00:00

344 lines
9.3 KiB
C

/*
* HighPoint RR3xxx RAID Driver for FreeBSD
* Copyright (C) 2005-2007 HighPoint Technologies, 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.
*/
#ifndef _HPTIOP_H
#define _HPTIOP_H
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#ifdef DBG
int hpt_dbg_level = 0;
#define KdPrint(x) do { if (hpt_dbg_level) printf x; } while (0)
#define HPT_ASSERT(x) assert(x)
#else
#define KdPrint(x)
#define HPT_ASSERT(x)
#endif
#define HPT_SRB_MAX_REQ_SIZE 600
#define HPT_SRB_MAX_QUEUE_SIZE 0x100
/* beyond 64G mem */
#define HPT_SRB_FLAG_HIGH_MEM_ACESS 0x1
#define HPT_SRB_MAX_SIZE ((sizeof(struct hpt_iop_srb) + 0x1f) & ~0x1f)
#define HPT_IOCTL_MAGIC 0xA1B2C3D4
#define HPT_IOCTL_MAGIC32 0x1A2B3C4D
struct hpt_iopmu
{
u_int32_t resrved0[4];
u_int32_t inbound_msgaddr0;
u_int32_t inbound_msgaddr1;
u_int32_t outbound_msgaddr0;
u_int32_t outbound_msgaddr1;
u_int32_t inbound_doorbell;
u_int32_t inbound_intstatus;
u_int32_t inbound_intmask;
u_int32_t outbound_doorbell;
u_int32_t outbound_intstatus;
u_int32_t outbound_intmask;
u_int32_t reserved1[2];
u_int32_t inbound_queue;
u_int32_t outbound_queue;
};
struct hpt_iop_ioctl_param {
u_int32_t Magic; /* used to check if it's a valid ioctl packet */
u_int32_t dwIoControlCode; /* operation control code */
unsigned long lpInBuffer; /* input data buffer */
u_int32_t nInBufferSize; /* size of input data buffer */
unsigned long lpOutBuffer; /* output data buffer */
u_int32_t nOutBufferSize; /* size of output data buffer */
unsigned long lpBytesReturned; /* count of HPT_U8s returned */
} __attribute__((packed));
struct hpt_iop_srb {
u_int8_t req[HPT_SRB_MAX_REQ_SIZE];
struct hpt_iop_hba *hba;
union ccb *ccb;
struct hpt_iop_srb * next;
bus_dmamap_t dma_map;
u_int32_t phy_addr;
u_int32_t srb_flag;
int index;
};
#define IOPMU_QUEUE_EMPTY 0xffffffff
#define IOPMU_QUEUE_MASK_HOST_BITS 0xf0000000
#define IOPMU_QUEUE_ADDR_HOST_BIT 0x80000000
#define IOPMU_QUEUE_REQUEST_SIZE_BIT 0x40000000
#define IOPMU_QUEUE_REQUEST_RESULT_BIT 0x40000000
#define IOPMU_MAX_MEM_SUPPORT_MASK_64G 0xfffffff000000000ull
#define IOPMU_MAX_MEM_SUPPORT_MASK_32G 0xfffffff800000000ull
#define IOPMU_OUTBOUND_INT_MSG0 1
#define IOPMU_OUTBOUND_INT_MSG1 2
#define IOPMU_OUTBOUND_INT_DOORBELL 4
#define IOPMU_OUTBOUND_INT_POSTQUEUE 8
#define IOPMU_OUTBOUND_INT_PCI 0x10
#define IOPMU_INBOUND_INT_MSG0 1
#define IOPMU_INBOUND_INT_MSG1 2
#define IOPMU_INBOUND_INT_DOORBELL 4
#define IOPMU_INBOUND_INT_ERROR 8
#define IOPMU_INBOUND_INT_POSTQUEUE 0x10
enum hpt_iopmu_message {
/* host-to-iop messages */
IOPMU_INBOUND_MSG0_NOP = 0,
IOPMU_INBOUND_MSG0_RESET,
IOPMU_INBOUND_MSG0_FLUSH,
IOPMU_INBOUND_MSG0_SHUTDOWN,
IOPMU_INBOUND_MSG0_STOP_BACKGROUND_TASK,
IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK,
IOPMU_INBOUND_MSG0_MAX = 0xff,
/* iop-to-host messages */
IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_0 = 0x100,
IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_MAX = 0x1ff,
IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_0 = 0x200,
IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_MAX = 0x2ff,
IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_0 = 0x300,
IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_MAX = 0x3ff,
};
struct hpt_iop_request_header
{
u_int32_t size;
u_int32_t type;
u_int32_t flags;
u_int32_t result;
u_int32_t context; /* host context */
u_int32_t context_hi32;
};
#define IOP_REQUEST_FLAG_SYNC_REQUEST 1
#define IOP_REQUEST_FLAG_BIST_REQUEST 2
#define IOP_REQUEST_FLAG_REMAPPED 4
#define IOP_REQUEST_FLAG_OUTPUT_CONTEXT 8
enum hpt_iop_request_type {
IOP_REQUEST_TYPE_GET_CONFIG = 0,
IOP_REQUEST_TYPE_SET_CONFIG,
IOP_REQUEST_TYPE_BLOCK_COMMAND,
IOP_REQUEST_TYPE_SCSI_COMMAND,
IOP_REQUEST_TYPE_IOCTL_COMMAND,
IOP_REQUEST_TYPE_MAX
};
enum hpt_iop_result_type {
IOP_RESULT_PENDING = 0,
IOP_RESULT_SUCCESS,
IOP_RESULT_FAIL,
IOP_RESULT_BUSY,
IOP_RESULT_RESET,
IOP_RESULT_INVALID_REQUEST,
IOP_RESULT_BAD_TARGET,
IOP_RESULT_MODE_SENSE_CHECK_CONDITION,
};
struct hpt_iop_request_get_config
{
struct hpt_iop_request_header header;
u_int32_t interface_version;
u_int32_t firmware_version;
u_int32_t max_requests;
u_int32_t request_size;
u_int32_t max_sg_count;
u_int32_t data_transfer_length;
u_int32_t alignment_mask;
u_int32_t max_devices;
u_int32_t sdram_size;
};
struct hpt_iop_request_set_config
{
struct hpt_iop_request_header header;
u_int32_t iop_id;
u_int16_t vbus_id;
u_int16_t max_host_request_size;
u_int32_t reserve[6];
};
struct hpt_iopsg
{
u_int32_t size;
u_int32_t eot; /* non-zero: end of table */
u_int64_t pci_address;
};
struct hpt_iop_request_block_command
{
struct hpt_iop_request_header header;
u_int8_t channel;
u_int8_t target;
u_int8_t lun;
u_int8_t pad1;
u_int16_t command; /* IOP_BLOCK_COMMAND_{READ,WRITE} */
u_int16_t sectors;
u_int64_t lba;
struct hpt_iopsg sg_list[1];
};
#define IOP_BLOCK_COMMAND_READ 1
#define IOP_BLOCK_COMMAND_WRITE 2
#define IOP_BLOCK_COMMAND_VERIFY 3
#define IOP_BLOCK_COMMAND_FLUSH 4
#define IOP_BLOCK_COMMAND_SHUTDOWN 5
struct hpt_iop_request_scsi_command
{
struct hpt_iop_request_header header;
u_int8_t channel;
u_int8_t target;
u_int8_t lun;
u_int8_t pad1;
u_int8_t cdb[16];
u_int32_t dataxfer_length;
struct hpt_iopsg sg_list[1];
};
struct hpt_iop_request_ioctl_command
{
struct hpt_iop_request_header header;
u_int32_t ioctl_code;
u_int32_t inbuf_size;
u_int32_t outbuf_size;
u_int32_t bytes_returned;
u_int8_t buf[1];
/* out data should be put at buf[(inbuf_size+3)&~3] */
};
#define HPT_CTL_CODE_BSD_TO_IOP(x) ((x)-0xff00)
#if __FreeBSD_version>503000
typedef struct cdev * ioctl_dev_t;
#else
typedef dev_t ioctl_dev_t;
#endif
#if __FreeBSD_version >= 500000
typedef struct thread * ioctl_thread_t;
#else
typedef struct proc * ioctl_thread_t;
#endif
struct hpt_iop_hba {
struct hpt_iopmu *iop;
struct hpt_iop_hba *next;
u_int32_t firmware_version;
u_int32_t interface_version;
u_int32_t max_devices;
u_int32_t max_requests;
u_int32_t max_request_size;
u_int32_t max_sg_count;
int msg_done;
device_t pcidev;
u_int32_t pciunit;
ioctl_dev_t ioctl_dev;
struct resource *bar0_res;
int bar0_rid;
bus_dma_tag_t parent_dmat;
bus_dma_tag_t io_dmat;
bus_dma_tag_t srb_dmat;
bus_dmamap_t srb_dmamap;
/* to release */
u_int8_t *uncached_ptr;
/* for scsi request block */
struct hpt_iop_srb *srb_list;
/* for interrupt */
struct resource *irq_res;
void *irq_handle;
/* other resources */
struct cam_sim *sim;
struct cam_path *path;
void *req;
#if (__FreeBSD_version >= 500000)
struct mtx lock;
#else
int hpt_splx;
#endif
#define HPT_IOCTL_FLAG_OPEN 1
u_int32_t flag;
struct hpt_iop_srb* srb[HPT_SRB_MAX_QUEUE_SIZE];
};
#if __FreeBSD_version >= 500000
#define hptiop_lock_adapter(hba) mtx_lock(&(hba)->lock)
#define hptiop_unlock_adapter(hba) mtx_unlock(&(hba)->lock)
#else
static __inline void hptiop_lock_adapter(struct hpt_iop_hba *hba)
{
hba->hpt_splx = splcam();
}
static __inline void hptiop_unlock_adapter(struct hpt_iop_hba *hba)
{
splx(hba->hpt_splx);
}
#endif
#define HPT_OSM_TIMEOUT (20*hz) /* timeout value for OS commands */
#define HPT_DO_IOCONTROL _IOW('H', 0, struct hpt_iop_ioctl_param)
#define HPT_SCAN_BUS _IO('H', 1)
static __inline int hptiop_sleep(struct hpt_iop_hba *hba, void *ident,
int priority, const char *wmesg, int timo)
{
int retval;
#if __FreeBSD_version >= 500000
retval = msleep(ident, &hba->lock, priority, wmesg, timo);
#else
asleep(ident, priority, wmesg, timo);
hptiop_unlock_adapter(hba);
retval = await(priority, timo);
hptiop_lock_adapter(hba);
#endif
return retval;
}
#if __FreeBSD_version < 501000
#define READ_16 0x88
#define WRITE_16 0x8a
#define SERVICE_ACTION_IN 0x9e
#endif
#define HPT_DEV_MAJOR 200
#endif