mirror of
https://github.com/SCST-project/scst.git
synced 2026-05-17 10:41:26 +00:00
f510655081
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@466 d57e44dd-8a1f-0410-8b47-8ef2f437770f
382 lines
11 KiB
C
382 lines
11 KiB
C
#ifndef __MPT_SCST_H
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#define __MPT_SCST_H
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#if defined(MODULE) && !defined(__GENKSYMS__)
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
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#include <linux/config.h>
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#else
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#include <linux/autoconf.h>
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#endif
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#include <linux/module.h>
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#endif
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#ifdef __linux__
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/miscdevice.h>
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#include <linux/proc_fs.h>
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#include <linux/smp_lock.h>
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#include <linux/highmem.h>
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#include <linux/version.h>
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#include <scsi/scsi_device.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#include <asm/div64.h>
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#endif
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#define _HS_SLEEP ,0
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#define _IOC_ID ioc
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#define _HANDLE_IOC_ID ioc
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#ifndef MPT_STM_64_BIT_DMA /* determines the size of DMA addresses */
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#define MPT_STM_64_BIT_DMA 1
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#endif
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#include "mptbase.h"
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#ifndef MPI_IOCLOGINFO_FC_LINK_ALREADY_INITIALIZED
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#define MPI_IOCLOGINFO_FC_LINK_ALREADY_INITIALIZED 0x24000002
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#endif
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#define MF_TO_INDEX(mf) le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx)
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#include "scsi3.h"
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/*****************************************************************************/
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#ifdef MPI_STM_IO_DEBUG
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#define dioprintk printk
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#else
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#define dioprintk printk
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#endif
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typedef MPI_TARGET_FCP_CMD_BUFFER FCP_CMD;
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typedef MPI_TARGET_SCSI_SPI_CMD_BUFFER SCSI_CMD;
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#define SSP_CMD_FRAME 0x06
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#define SSP_TASK_FRAME 0x16
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typedef MPI_TARGET_SSP_CMD_BUFFER SSP_CMD;
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typedef MPI_TARGET_SSP_TASK_BUFFER SSP_TASK;
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#define FCP_REQUEST_CONFIRM (1<<4)
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#define FCP_RESID_UNDER (1<<3)
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#define FCP_RESID_OVER (1<<2)
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#define FCP_SENSE_LEN_VALID (1<<1)
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#define FCP_RSP_LEN_VALID (1<<0)
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typedef struct _FCP_RSP /* this struct is wrong in rev 1.02.04 of mpi_targ.h */
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{
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U8 Reserved0[8]; /* 00h */
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U8 Reserved1[2]; /* 08h */
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U8 FcpFlags; /* 0Ah */
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U8 FcpStatus; /* 0Bh */
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U32 FcpResid; /* 0Ch */
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U32 FcpSenseLength; /* 10h */
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U32 FcpResponseLength; /* 14h */
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U8 FcpResponseData[8]; /* 18h */
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U8 FcpSenseData[32]; /* Pad to 64 bytes */ /* 20h */
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} FCP_RSP;
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#define SCSI_SENSE_LEN_VALID (1<<1)
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#define SCSI_RSP_LEN_VALID (1<<0)
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typedef MPI_TARGET_SCSI_SPI_STATUS_IU SCSI_RSP;
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#define SSP_SENSE_LEN_VALID (1<<1)
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#define SSP_RSP_LEN_VALID (1<<0)
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typedef MPI_TARGET_SSP_RSP_IU SSP_RSP;
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* Fusion MPT STM private structures
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*/
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#define IsFc(priv) \
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(priv->ioc->pfacts[0].PortType == MPI_PORTFACTS_PORTTYPE_FC)
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#define IsScsi(priv) \
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(priv->ioc->pfacts[0].PortType == MPI_PORTFACTS_PORTTYPE_SCSI)
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#define IsSas(priv) \
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(priv->ioc->pfacts[0].PortType == MPI_PORTFACTS_PORTTYPE_SAS)
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#define ABORT_ALL (-1)
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#define NUM_CMD_BUFFERS 128
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#define NUM_ELS_BUFFERS 64
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#define NUM_ALIASES 0 /* 0 to 125, hardware restriction */
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#define ELS 0x22
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#define FC4LS 0x32
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#define ABTS 0x81
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#define BA_ACC 0x84
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#define LS_RJT 0x01
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#define LS_ACC 0x02
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#define PLOGI 0x03
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#define LOGO 0x05
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#define SRR 0x14
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#define PRLI 0x20
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#define PRLO 0x21
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#define ADISC 0x52
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#define RSCN 0x61
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typedef struct _MPT_SGE
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{
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u32 length;
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#if MPT_STM_64_BIT_DMA
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u64 address;
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#else
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u32 address;
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#endif
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} MPT_SGE;
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#define NUM_SGES 64
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#define NUM_CHAINS (NUM_SGES/8) /* one chain for every 8 SGEs */
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typedef struct _CMD {
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u8 cmd[64];
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u8 rsp[64];
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MPT_SGE chain_sge[NUM_SGES+NUM_CHAINS];
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u32 reply_word;
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int alias;
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int lun;
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int tag;
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} CMD;
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typedef struct _FC_ELS {
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u32 fc_els[32];
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} FC_ELS;
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typedef struct _MPT_STM_HW {
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CMD cmd_buf[NUM_CMD_BUFFERS];
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FC_ELS fc_link_serv_buf[NUM_ELS_BUFFERS];
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u32 config_buf[256];
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u32 ctsend_buf[256];
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u32 exlink_buf[32];
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} MPT_STM_HW;
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typedef struct _MPT_SGL
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{
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u32 num_sges;
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MPT_SGE sge[NUM_SGES];
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} MPT_SGL;
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typedef struct _MPT_STM_PRIV
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{
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MPT_ADAPTER *ioc;
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int enable_target_mode;
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int fcp2_capable;
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int num_sge_chain;
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int num_sge_target_assist;
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int num_cmd_buffers;
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int num_els_buffers;
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int num_aliases;
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MPT_STM_HW *hw;
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dma_addr_t hw_dma;
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U64 wwnn;
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U64 wwpn;
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int port_id;
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int scsi_port_config;
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int scsi_id_config;
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int protocol;
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volatile int port_flags;
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volatile int port_speed;
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volatile int port_state;
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volatile int device_changed;
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int port_enable_loginfo;
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volatile int port_enable_pending;
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volatile int target_mode_abort_pending;
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volatile int link_serv_abort_pending;
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volatile int fc_primitive_send_pending;
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volatile int ex_link_service_send_pending;
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volatile int config_pending;
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volatile int in_reset;
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volatile int poll_enabled;
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volatile int exiting;
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MPT_FRAME_HDR *config_mf;
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ConfigReply_t config_rep;
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volatile int io_state[NUM_CMD_BUFFERS];
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volatile int els_state[NUM_ELS_BUFFERS];
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MPT_FRAME_HDR *current_mf[NUM_CMD_BUFFERS];
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MPT_FRAME_HDR *status_deferred_mf[NUM_CMD_BUFFERS];
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MPT_SGL sgl;
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SCSIPortPage0_t SCSIPortPage0;
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SCSIPortPage1_t SCSIPortPage1;
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SCSIPortPage2_t SCSIPortPage2;
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#define NUM_SCSI_DEVICES 16
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SCSIDevicePage1_t SCSIDevicePage1[NUM_SCSI_DEVICES];
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struct mpt_tgt *tgt;
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struct scst_cmd *scst_cmd[NUM_CMD_BUFFERS];
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atomic_t pending_sense[NUM_SCSI_DEVICES];
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u8 pending_sense_buffer[NUM_SCSI_DEVICES][SCSI_SENSE_BUFFERSIZE];
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} MPT_STM_PRIV;
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#define IO_STATE_POSTED 0x1
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#define IO_STATE_DATA_SENT 0x2
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#define IO_STATE_STATUS_SENT 0x4
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#define IO_STATE_STATUS_DEFERRED 0x8
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#define IO_STATE_INCOMPLETE 0x10
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#define IO_STATE_AUTO_REPOST 0x20
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#define IO_STATE_ABORTED 0x40
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#define IO_STATE_HIGH_PRIORITY 0x80
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#define IO_STATE_REQUEST_ABORTED 0x100
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#define IO_STATE_REISSUE_REQUEST 0x200
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#define IO_STATE_ADJUST_OFFSET 0x400
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#define IO_STATE_CONVERT_TA_TO_TSS 0x800
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#define IO_STATE_REDO_COMMAND 0x1000
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#define get2bytes(x, y) ((x[y] << 8) + x[y+1])
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#define get3bytes(x, y) ((x[y] << 16) + (x[y+1] << 8) + x[y+2])
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#define get4bytes(x, y) ((x[y] << 24) + (x[y+1] << 16) + (x[y+2] << 8) + x[y+3])
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#define get8bytes(x, y) (((u64)get4bytes(x, y) << 32) + get4bytes(x, y+4))
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#define InitiatorIndex_0100 Reserved_0100_InitiatorIndex
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#define FWVersion_0101 Reserved_0101_FWVersion
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#define EventDataSasPhyLinkStatus_t MpiEventDataSasPhyLinkStatus_t
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#ifndef MPI_FCPORTPAGE1_FLAGS_FORCE_USE_NOSEEPROM_WWNS
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#define MPI_FCPORTPAGE1_FLAGS_FORCE_USE_NOSEEPROM_WWNS (0x02000000)
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#endif
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#ifndef PRIORITY_REASON_TARGET_BUSY
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#define PRIORITY_REASON_TARGET_BUSY (0x09)
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#endif
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#if MPT_STM_64_BIT_DMA
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#define MPT_STM_SIMPLE SGESimple64_t
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#define MPT_STM_CHAIN SGEChain64_t
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#define MPI_SGE_FLAGS_MPT_STM_ADDRESSING MPI_SGE_FLAGS_64_BIT_ADDRESSING
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#define stm_get_dma_addr(x, y) \
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x = le32_to_cpu(y.Low); \
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if (sizeof(dma_addr_t) == sizeof(u64)) \
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x |= (u64)le32_to_cpu(y.High)<<32;
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#define stm_set_dma_addr(x, y) \
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x.Low = cpu_to_le32(y); \
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if (sizeof(dma_addr_t) == sizeof(u64)) \
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x.High = cpu_to_le32((u64)y>>32); \
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else \
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x.High = 0;
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#else
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#define MPT_STM_SIMPLE SGESimple32_t
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#define MPT_STM_CHAIN SGEChain32_t
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#define MPI_SGE_FLAGS_MPT_STM_ADDRESSING MPI_SGE_FLAGS_32_BIT_ADDRESSING
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#define stm_get_dma_addr(x, y) \
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x = le32_to_cpu(y);
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#define stm_set_dma_addr(x, y) \
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x = cpu_to_le32(y);
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#endif
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#ifndef MPT_MAX_ADAPTERS
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#define MPT_MAX_ADAPTERS 18
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#endif
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#ifndef MPI_MANUFACTPAGE_DEVICEID_FC949X
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#define MPI_MANUFACTPAGE_DEVICEID_FC949X 0x640
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#endif
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#ifndef MPI_MANUFACTPAGE_DEVICEID_FC939X
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#define MPI_MANUFACTPAGE_DEVICEID_FC939X 0x642
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#endif
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#ifndef MPI_IOCSTATUS_EEDP_GUARD_ERROR
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#define MPI_IOCSTATUS_EEDP_GUARD_ERROR 0x4d
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#endif
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#ifndef MPI_IOCSTATUS_EEDP_REF_TAG_ERROR
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#define MPI_IOCSTATUS_EEDP_REF_TAG_ERROR 0x4e
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#endif
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#ifndef MPI_IOCSTATUS_EEDP_APP_TAG_ERROR
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#define MPI_IOCSTATUS_EEDP_APP_TAG_ERROR 0x4f
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#endif
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#define MPT_MAX_CDB_LEN 16
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#define MPT_TIMEOUT 30
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/* Immediate notify status constants */
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#define IMM_NTFY_LIP_RESET MPI_EVENT_LOOP_STATE_CHANGE
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#define IMM_NTFY_IOCB_OVERFLOW 0x0016
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#define IMM_NTFY_ABORT_TASK 0x0020
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#define IMM_NTFY_PORT_LOGOUT MPI_EVENT_LOGOUT
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#define IMM_NTFY_PORT_CONFIG MPI_EVENT_LINK_STATUS_CHANGE
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#define IMM_NTFY_GLBL_TPRLO MPI_EVENT_LINK_STATUS_CHANGE
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#define IMM_NTFY_GLBL_LOGO MPI_EVENT_LINK_STATUS_CHANGE
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#define IMM_NTFY_RESOURCE 0x0034
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#define IMM_NTFY_MSG_RX 0x0036
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/* Immediate notify task flags */
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#define IMM_NTFY_ABORT_TS1 0x01
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#define IMM_NTFY_ABORT_TS2 0x02
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#define IMM_NTFY_CLEAR_TS 0x04
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#define IMM_NTFY_LUN_RESET1 0x08
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#define IMM_NTFY_LUN_RESET2 0x10
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#define IMM_NTFY_TARGET_RESET 0x20
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#define IMM_NTFY_CLEAR_ACA 0x40
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/* Command's states */
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#define MPT_STATE_NEW 1 /* New command and SCST processes it */
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#define MPT_STATE_NEED_DATA 2 /* SCST needs data to process */
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#define MPT_STATE_DATA_IN 3 /* Data arrived and SCST processes it */
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#define MPT_STATE_DATA_OUT 4
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#define MPT_STATE_PROCESSED 5 /* SCST done processing */
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/* Target's flags */
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#define MPT_TGT_SHUTDOWN 0 /* The driver is being released */
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#define MPT_TGT_ENABLE_64BIT_ADDR 1 /* 64-bits PCI addressing enabled */
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/* Session's flags */
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#define MPT_SESS_INITING 0 /* The session is being unregistered */
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#define MPT_SESS_SHUTDOWN 1 /* The session is being unregistered */
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/* pending sense states */
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#define MPT_STATUS_SENSE_IDLE 0 /* no cached pending sense */
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#define MPT_STATUS_SENSE_ATTEMPT 1 /* attempt to send status and sense */
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#define MPT_STATUS_SENSE_NOT_SENT 2 /* sense couldn't be sent with status */
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#define MPT_STATUS_SENSE_HANDLE_RQ 3 /* REQUEST SENSE handled with cached sense */
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struct mpt_cmd
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{
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struct mpt_sess *sess;
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struct scst_cmd *scst_cmd;
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MPT_STM_PRIV *priv;
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CMD *CMD;
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u32 reply_word;
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struct list_head delayed_cmds_entry;
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int state;
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dma_addr_t dma_handle;
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};
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struct mpt_sess
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{
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struct scst_session *scst_sess;
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struct mpt_tgt *tgt;
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int init_index;
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unsigned long sess_flags;
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struct list_head delayed_cmds;
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};
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struct mpt_tgt
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{
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struct scst_tgt *scst_tgt;
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MPT_STM_PRIV *priv;
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int datasegs_per_cmd, datasegs_per_cont;
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unsigned long tgt_flags;
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atomic_t sess_count;
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wait_queue_head_t waitQ;
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struct mpt_sess *sess[256];
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int target_enable;
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};
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struct mpt_mgmt_cmd
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{
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struct mpt_sess *sess;
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int task_mgmt;
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};
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#endif
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