[SCSI] bfa: Added support for flash configuration

- Added flash sub-module.
- Implemented the interface to read/erase/update flash partition.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/bfa/bfa.h

@@ -27,7 +27,6 @@
 struct bfa_s;
 
 typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
-typedef void    (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
 
 /*
  * Interrupt message handlers
@@ -76,16 +75,6 @@ void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m);
 	(__index) &= ((__size) - 1);			\
 } while (0)
 
-/*
- * Queue element to wait for room in request queue. FIFO order is
- * maintained when fullfilling requests.
- */
-struct bfa_reqq_wait_s {
-	struct list_head	qe;
-	void		(*qresume) (void *cbarg);
-	void		*cbarg;
-};
-
 /*
  * Circular queue usage assignments
  */
@@ -129,17 +118,6 @@ bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg),
 
 #define bfa_reqq_wcancel(__wqe)	list_del(&(__wqe)->qe)
 
-
-/*
- * Generic BFA callback element.
- */
-struct bfa_cb_qe_s {
-	struct list_head         qe;
-	bfa_cb_cbfn_t  cbfn;
-	bfa_boolean_t   once;
-	void           *cbarg;
-};
-
 #define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do {	\
 		(__hcb_qe)->cbfn  = (__cbfn);      \
 		(__hcb_qe)->cbarg = (__cbarg);      \

drivers/scsi/bfa/bfa_core.c

@@ -132,6 +132,17 @@ bfa_com_sfp_attach(struct bfa_s *bfa)
 	bfa_sfp_memclaim(sfp, sfp_dma->kva_curp, sfp_dma->dma_curp);
 }
 
+static void
+bfa_com_flash_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
+{
+	struct bfa_flash_s	*flash = BFA_FLASH(bfa);
+	struct bfa_mem_dma_s	*flash_dma = BFA_MEM_FLASH_DMA(bfa);
+
+	bfa_flash_attach(flash, &bfa->ioc, bfa, bfa->trcmod, mincfg);
+	bfa_flash_memclaim(flash, flash_dma->kva_curp,
+			   flash_dma->dma_curp, mincfg);
+}
+
 /*
  * BFA IOC FC related definitions
  */
@@ -1371,6 +1382,7 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
 	struct bfa_mem_dma_s *ablk_dma = BFA_MEM_ABLK_DMA(bfa);
 	struct bfa_mem_dma_s *cee_dma = BFA_MEM_CEE_DMA(bfa);
 	struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
+	struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
 
 	WARN_ON((cfg == NULL) || (meminfo == NULL));
 
@@ -1390,6 +1402,8 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
 	bfa_mem_dma_setup(meminfo, ablk_dma, bfa_ablk_meminfo());
 	bfa_mem_dma_setup(meminfo, cee_dma, bfa_cee_meminfo());
 	bfa_mem_dma_setup(meminfo, sfp_dma, bfa_sfp_meminfo());
+	bfa_mem_dma_setup(meminfo, flash_dma,
+			  bfa_flash_meminfo(cfg->drvcfg.min_cfg));
 }
 
 /*
@@ -1459,6 +1473,7 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	bfa_com_ablk_attach(bfa);
 	bfa_com_cee_attach(bfa);
 	bfa_com_sfp_attach(bfa);
+	bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
 }
 
 /*

drivers/scsi/bfa/bfa_defs.h

@@ -133,6 +133,7 @@ enum bfa_status {
 	BFA_STATUS_SFP_UNSUPP	= 10,	/*  Unsupported SFP - Replace SFP */
 	BFA_STATUS_UNKNOWN_VFID = 11,	/*  VF_ID not found */
 	BFA_STATUS_DEVBUSY	= 13,	/*  Device busy - Retry operation */
+	BFA_STATUS_FLASH_BAD_LEN = 17,	/*  Flash bad length */
 	BFA_STATUS_UNKNOWN_LWWN = 18,	/*  LPORT PWWN not found */
 	BFA_STATUS_UNKNOWN_RWWN = 19,	/*  RPORT PWWN not found */
 	BFA_STATUS_VPORT_EXISTS = 21,	/*  VPORT already exists */
@@ -384,31 +385,39 @@ struct bfa_ioc_attr_s {
  * All numerical fields are in big-endian format.
  */
 struct bfa_mfg_block_s {
-	u8		version;	/*  manufacturing block version */
-	u8		mfg_sig[3];	/*  characters 'M', 'F', 'G' */
-	u16	mfgsize;	/*  mfg block size */
-	u16	u16_chksum;	/*  old u16 checksum */
-	char		brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)];
-	char		brcd_partnum[STRSZ(BFA_MFG_PARTNUM_SIZE)];
-	u8		mfg_day;	/*  manufacturing day */
-	u8		mfg_month;	/*  manufacturing month */
-	u16	mfg_year;	/*  manufacturing year */
-	wwn_t		mfg_wwn;	/*  wwn base for this adapter */
-	u8		num_wwn;	/*  number of wwns assigned */
-	u8		mfg_speeds;	/*  speeds allowed for this adapter */
-	u8		rsv[2];
-	char		supplier_id[STRSZ(BFA_MFG_SUPPLIER_ID_SIZE)];
-	char		supplier_partnum[STRSZ(BFA_MFG_SUPPLIER_PARTNUM_SIZE)];
-	char
-		supplier_serialnum[STRSZ(BFA_MFG_SUPPLIER_SERIALNUM_SIZE)];
-	char
-		supplier_revision[STRSZ(BFA_MFG_SUPPLIER_REVISION_SIZE)];
-	mac_t		mfg_mac;	/*  mac address */
-	u8		num_mac;	/*  number of mac addresses */
-	u8		rsv2;
-	u32	mfg_type;	/*  card type */
-	u8		rsv3[108];
-	u8		md5_chksum[BFA_MFG_CHKSUM_SIZE]; /*  md5 checksum */
+	u8	version;    /*!< manufacturing block version */
+	u8     mfg_sig[3]; /*!< characters 'M', 'F', 'G' */
+	u16    mfgsize;    /*!< mfg block size */
+	u16    u16_chksum; /*!< old u16 checksum */
+	char        brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)];
+	char        brcd_partnum[STRSZ(BFA_MFG_PARTNUM_SIZE)];
+	u8     mfg_day;    /*!< manufacturing day */
+	u8     mfg_month;  /*!< manufacturing month */
+	u16    mfg_year;   /*!< manufacturing year */
+	wwn_t       mfg_wwn;    /*!< wwn base for this adapter */
+	u8     num_wwn;    /*!< number of wwns assigned */
+	u8     mfg_speeds; /*!< speeds allowed for this adapter */
+	u8     rsv[2];
+	char    supplier_id[STRSZ(BFA_MFG_SUPPLIER_ID_SIZE)];
+	char    supplier_partnum[STRSZ(BFA_MFG_SUPPLIER_PARTNUM_SIZE)];
+	char    supplier_serialnum[STRSZ(BFA_MFG_SUPPLIER_SERIALNUM_SIZE)];
+	char    supplier_revision[STRSZ(BFA_MFG_SUPPLIER_REVISION_SIZE)];
+	mac_t       mfg_mac;    /*!< base mac address */
+	u8     num_mac;    /*!< number of mac addresses */
+	u8     rsv2;
+	u32    card_type;  /*!< card type          */
+	char        cap_nic;    /*!< capability nic     */
+	char        cap_cna;    /*!< capability cna     */
+	char        cap_hba;    /*!< capability hba     */
+	char        cap_fc16g;  /*!< capability fc 16g      */
+	char        cap_sriov;  /*!< capability sriov       */
+	char        cap_mezz;   /*!< capability mezz        */
+	u8     rsv3;
+	u8     mfg_nports; /*!< number of ports        */
+	char        media[8];   /*!< xfi/xaui           */
+	char        initial_mode[8]; /*!< initial mode: hba/cna/nic */
+	u8     rsv4[84];
+	u8     md5_chksum[BFA_MFG_CHKSUM_SIZE]; /*!< md5 checksum */
 };
 
 #pragma pack()
@@ -825,6 +834,53 @@ struct sfp_xcvr_s {
 	union sfp_xcvr_fc3_code_u	fc3;
 };
 
+/*
+ *	Flash module specific
+ */
+#define BFA_FLASH_PART_ENTRY_SIZE	32	/* partition entry size */
+#define BFA_FLASH_PART_MAX		32	/* maximal # of partitions */
+
+enum bfa_flash_part_type {
+	BFA_FLASH_PART_OPTROM   = 1,    /* option rom partition */
+	BFA_FLASH_PART_FWIMG    = 2,    /* firmware image partition */
+	BFA_FLASH_PART_FWCFG    = 3,    /* firmware tuneable config */
+	BFA_FLASH_PART_DRV      = 4,    /* IOC driver config */
+	BFA_FLASH_PART_BOOT     = 5,    /* boot config */
+	BFA_FLASH_PART_ASIC     = 6,    /* asic bootstrap configuration */
+	BFA_FLASH_PART_MFG      = 7,    /* manufacturing block partition */
+	BFA_FLASH_PART_OPTROM2  = 8,    /* 2nd option rom partition */
+	BFA_FLASH_PART_VPD      = 9,    /* vpd data of OEM info */
+	BFA_FLASH_PART_PBC      = 10,   /* pre-boot config */
+	BFA_FLASH_PART_BOOTOVL  = 11,   /* boot overlay partition */
+	BFA_FLASH_PART_LOG      = 12,   /* firmware log partition */
+	BFA_FLASH_PART_PXECFG   = 13,   /* pxe boot config partition */
+	BFA_FLASH_PART_PXEOVL   = 14,   /* pxe boot overlay partition */
+	BFA_FLASH_PART_PORTCFG  = 15,   /* port cfg partition */
+	BFA_FLASH_PART_ASICBK   = 16,   /* asic backup partition */
+};
+
+/*
+ * flash partition attributes
+ */
+struct bfa_flash_part_attr_s {
+	u32	part_type;      /* partition type */
+	u32	part_instance;  /* partition instance */
+	u32	part_off;       /* partition offset */
+	u32	part_size;      /* partition size */
+	u32	part_len;       /* partition content length */
+	u32	part_status;    /* partition status */
+	char	rsv[BFA_FLASH_PART_ENTRY_SIZE - 24];
+};
+
+/*
+ * flash attributes
+ */
+struct bfa_flash_attr_s {
+	u32	status; /* flash overall status */
+	u32	npart;  /* num of partitions */
+	struct bfa_flash_part_attr_s part[BFA_FLASH_PART_MAX];
+};
+
 #pragma pack()
 
 #endif /* __BFA_DEFS_H__ */

drivers/scsi/bfa/bfa_ioc.h

@@ -347,6 +347,28 @@ struct bfa_ioc_hwif_s {
 	bfa_boolean_t	(*ioc_lpu_read_stat)	(struct bfa_ioc_s *ioc);
 };
 
+/*
+ * Queue element to wait for room in request queue. FIFO order is
+ * maintained when fullfilling requests.
+ */
+struct bfa_reqq_wait_s {
+	struct list_head	qe;
+	void	(*qresume) (void *cbarg);
+	void	*cbarg;
+};
+
+typedef void	(*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+
+/*
+ * Generic BFA callback element.
+ */
+struct bfa_cb_qe_s {
+	struct list_head	qe;
+	bfa_cb_cbfn_t	cbfn;
+	bfa_boolean_t	once;
+	void		*cbarg;
+};
+
 /*
  * ASIC block configurtion related
  */
@@ -419,6 +441,56 @@ bfa_status_t	bfa_sfp_speed(struct bfa_sfp_s *sfp,
 			enum bfa_port_speed portspeed,
 			bfa_cb_sfp_t cbfn, void *cbarg);
 
+/*
+ *	Flash module specific
+ */
+typedef void	(*bfa_cb_flash_t) (void *cbarg, bfa_status_t status);
+
+struct bfa_flash_s {
+	struct bfa_ioc_s *ioc;		/* back pointer to ioc */
+	struct bfa_trc_mod_s *trcmod;
+	u32		type;           /* partition type */
+	u8		instance;       /* partition instance */
+	u8		rsv[3];
+	u32		op_busy;        /*  operation busy flag */
+	u32		residue;        /*  residual length */
+	u32		offset;         /*  offset */
+	bfa_status_t	status;         /*  status */
+	u8		*dbuf_kva;      /*  dma buf virtual address */
+	u64		dbuf_pa;        /*  dma buf physical address */
+	struct bfa_reqq_wait_s	reqq_wait; /*  to wait for room in reqq */
+	bfa_cb_flash_t	cbfn;           /*  user callback function */
+	void		*cbarg;         /*  user callback arg */
+	u8		*ubuf;          /*  user supplied buffer */
+	struct bfa_cb_qe_s	hcb_qe; /*  comp: BFA callback qelem */
+	u32		addr_off;       /*  partition address offset */
+	struct bfa_mbox_cmd_s	mb;       /*  mailbox */
+	struct bfa_ioc_notify_s	ioc_notify; /*  ioc event notify */
+	struct bfa_mem_dma_s	flash_dma;
+};
+
+#define BFA_FLASH(__bfa)		(&(__bfa)->modules.flash)
+#define BFA_MEM_FLASH_DMA(__bfa)	(&(BFA_FLASH(__bfa)->flash_dma))
+
+bfa_status_t bfa_flash_get_attr(struct bfa_flash_s *flash,
+			struct bfa_flash_attr_s *attr,
+			bfa_cb_flash_t cbfn, void *cbarg);
+bfa_status_t bfa_flash_erase_part(struct bfa_flash_s *flash,
+			enum bfa_flash_part_type type, u8 instance,
+			bfa_cb_flash_t cbfn, void *cbarg);
+bfa_status_t bfa_flash_update_part(struct bfa_flash_s *flash,
+			enum bfa_flash_part_type type, u8 instance,
+			void *buf, u32 len, u32 offset,
+			bfa_cb_flash_t cbfn, void *cbarg);
+bfa_status_t bfa_flash_read_part(struct bfa_flash_s *flash,
+			enum bfa_flash_part_type type, u8 instance, void *buf,
+			u32 len, u32 offset, bfa_cb_flash_t cbfn, void *cbarg);
+u32	bfa_flash_meminfo(bfa_boolean_t mincfg);
+void bfa_flash_attach(struct bfa_flash_s *flash, struct bfa_ioc_s *ioc,
+		void *dev, struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg);
+void bfa_flash_memclaim(struct bfa_flash_s *flash,
+		u8 *dm_kva, u64 dm_pa, bfa_boolean_t mincfg);
+
 #define bfa_ioc_pcifn(__ioc)		((__ioc)->pcidev.pci_func)
 #define bfa_ioc_devid(__ioc)		((__ioc)->pcidev.device_id)
 #define bfa_ioc_bar0(__ioc)		((__ioc)->pcidev.pci_bar_kva)

drivers/scsi/bfa/bfa_modules.h

@@ -40,6 +40,7 @@ struct bfa_modules_s {
 	struct bfa_ablk_s	ablk;		/*  ASIC block config module */
 	struct bfa_cee_s	cee;		/*  CEE Module	*/
 	struct bfa_sfp_s	sfp;		/*  SFP module	*/
+	struct bfa_flash_s	flash;		/*  flash module */
 };
 
 /*

drivers/scsi/bfa/bfad_bsg.c

@@ -1109,6 +1109,111 @@ bfad_iocmd_sfp_speed(struct bfad_s *bfad, void *cmd)
 	return 0;
 }
 
+int
+bfad_iocmd_flash_get_attr(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_flash_attr_s *iocmd =
+			(struct bfa_bsg_flash_attr_s *)cmd;
+	struct bfad_hal_comp fcomp;
+	unsigned long	flags;
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_flash_get_attr(BFA_FLASH(&bfad->bfa), &iocmd->attr,
+				bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status != BFA_STATUS_OK)
+		goto out;
+	wait_for_completion(&fcomp.comp);
+	iocmd->status = fcomp.status;
+out:
+	return 0;
+}
+
+int
+bfad_iocmd_flash_erase_part(struct bfad_s *bfad, void *cmd)
+{
+	struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd;
+	struct bfad_hal_comp fcomp;
+	unsigned long	flags;
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_flash_erase_part(BFA_FLASH(&bfad->bfa), iocmd->type,
+				iocmd->instance, bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status != BFA_STATUS_OK)
+		goto out;
+	wait_for_completion(&fcomp.comp);
+	iocmd->status = fcomp.status;
+out:
+	return 0;
+}
+
+int
+bfad_iocmd_flash_update_part(struct bfad_s *bfad, void *cmd,
+			unsigned int payload_len)
+{
+	struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd;
+	void	*iocmd_bufptr;
+	struct bfad_hal_comp fcomp;
+	unsigned long	flags;
+
+	if (bfad_chk_iocmd_sz(payload_len,
+			sizeof(struct bfa_bsg_flash_s),
+			iocmd->bufsz) != BFA_STATUS_OK) {
+		iocmd->status = BFA_STATUS_VERSION_FAIL;
+		return 0;
+	}
+
+	iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_flash_s);
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_flash_update_part(BFA_FLASH(&bfad->bfa),
+				iocmd->type, iocmd->instance, iocmd_bufptr,
+				iocmd->bufsz, 0, bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status != BFA_STATUS_OK)
+		goto out;
+	wait_for_completion(&fcomp.comp);
+	iocmd->status = fcomp.status;
+out:
+	return 0;
+}
+
+int
+bfad_iocmd_flash_read_part(struct bfad_s *bfad, void *cmd,
+			unsigned int payload_len)
+{
+	struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd;
+	struct bfad_hal_comp fcomp;
+	void	*iocmd_bufptr;
+	unsigned long	flags;
+
+	if (bfad_chk_iocmd_sz(payload_len,
+			sizeof(struct bfa_bsg_flash_s),
+			iocmd->bufsz) != BFA_STATUS_OK) {
+		iocmd->status = BFA_STATUS_VERSION_FAIL;
+		return 0;
+	}
+
+	iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_flash_s);
+
+	init_completion(&fcomp.comp);
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	iocmd->status = bfa_flash_read_part(BFA_FLASH(&bfad->bfa), iocmd->type,
+				iocmd->instance, iocmd_bufptr, iocmd->bufsz, 0,
+				bfad_hcb_comp, &fcomp);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	if (iocmd->status != BFA_STATUS_OK)
+		goto out;
+	wait_for_completion(&fcomp.comp);
+	iocmd->status = fcomp.status;
+out:
+	return 0;
+}
+
 static int
 bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
 		unsigned int payload_len)
@@ -1243,6 +1348,18 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
 	case IOCMD_SFP_SPEED:
 		rc = bfad_iocmd_sfp_speed(bfad, iocmd);
 		break;
+	case IOCMD_FLASH_GET_ATTR:
+		rc = bfad_iocmd_flash_get_attr(bfad, iocmd);
+		break;
+	case IOCMD_FLASH_ERASE_PART:
+		rc = bfad_iocmd_flash_erase_part(bfad, iocmd);
+		break;
+	case IOCMD_FLASH_UPDATE_PART:
+		rc = bfad_iocmd_flash_update_part(bfad, iocmd, payload_len);
+		break;
+	case IOCMD_FLASH_READ_PART:
+		rc = bfad_iocmd_flash_read_part(bfad, iocmd, payload_len);
+		break;
 	default:
 		rc = EINVAL;
 		break;

drivers/scsi/bfa/bfad_bsg.h

@@ -67,6 +67,10 @@ enum {
 	IOCMD_CEE_RESET_STATS,
 	IOCMD_SFP_MEDIA,
 	IOCMD_SFP_SPEED,
+	IOCMD_FLASH_GET_ATTR,
+	IOCMD_FLASH_ERASE_PART,
+	IOCMD_FLASH_UPDATE_PART,
+	IOCMD_FLASH_READ_PART,
 };
 
 struct bfa_bsg_gen_s {
@@ -336,6 +340,23 @@ struct bfa_bsg_sfp_speed_s {
 	enum bfa_port_speed speed;
 };
 
+struct bfa_bsg_flash_attr_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u16		rsvd;
+	struct bfa_flash_attr_s attr;
+};
+
+struct bfa_bsg_flash_s {
+	bfa_status_t	status;
+	u16		bfad_num;
+	u8		instance;
+	u8		rsvd;
+	enum  bfa_flash_part_type type;
+	int		bufsz;
+	u64		buf_ptr;
+};
+
 struct bfa_bsg_fcpt_s {
 	bfa_status_t    status;
 	u16		vf_id;

drivers/scsi/bfa/bfi.h

@@ -190,6 +190,7 @@ enum bfi_pcifn_class {
  */
 enum bfi_mclass {
 	BFI_MC_IOC		= 1,	/*  IO Controller (IOC)	    */
+	BFI_MC_FLASH		= 3,	/*  Flash message class	*/
 	BFI_MC_CEE		= 4,	/*  CEE	*/
 	BFI_MC_FCPORT		= 5,	/*  FC port			    */
 	BFI_MC_IOCFC		= 6,	/*  FC - IO Controller (IOC)	    */
@@ -814,6 +815,114 @@ struct bfi_sfp_rsp_s {
 	u8			rsvd[2];
 };
 
+/*
+ *	FLASH module specific
+ */
+enum bfi_flash_h2i_msgs {
+	BFI_FLASH_H2I_QUERY_REQ = 1,
+	BFI_FLASH_H2I_ERASE_REQ = 2,
+	BFI_FLASH_H2I_WRITE_REQ = 3,
+	BFI_FLASH_H2I_READ_REQ = 4,
+	BFI_FLASH_H2I_BOOT_VER_REQ = 5,
+};
+
+enum bfi_flash_i2h_msgs {
+	BFI_FLASH_I2H_QUERY_RSP = BFA_I2HM(1),
+	BFI_FLASH_I2H_ERASE_RSP = BFA_I2HM(2),
+	BFI_FLASH_I2H_WRITE_RSP = BFA_I2HM(3),
+	BFI_FLASH_I2H_READ_RSP = BFA_I2HM(4),
+	BFI_FLASH_I2H_BOOT_VER_RSP = BFA_I2HM(5),
+	BFI_FLASH_I2H_EVENT = BFA_I2HM(127),
+};
+
+/*
+ * Flash query request
+ */
+struct bfi_flash_query_req_s {
+	struct bfi_mhdr_s mh;	/* Common msg header */
+	struct bfi_alen_s alen;
+};
+
+/*
+ * Flash erase request
+ */
+struct bfi_flash_erase_req_s {
+	struct bfi_mhdr_s	mh;	/* Common msg header */
+	u32	type;	/* partition type */
+	u8	instance; /* partition instance */
+	u8	rsv[3];
+};
+
+/*
+ * Flash write request
+ */
+struct bfi_flash_write_req_s {
+	struct bfi_mhdr_s mh;	/* Common msg header */
+	struct bfi_alen_s alen;
+	u32	type;	/* partition type */
+	u8	instance; /* partition instance */
+	u8	last;
+	u8	rsv[2];
+	u32	offset;
+	u32	length;
+};
+
+/*
+ * Flash read request
+ */
+struct bfi_flash_read_req_s {
+	struct bfi_mhdr_s mh;	/* Common msg header */
+	u32	type;		/* partition type */
+	u8	instance;	/* partition instance */
+	u8	rsv[3];
+	u32	offset;
+	u32	length;
+	struct bfi_alen_s alen;
+};
+
+/*
+ * Flash query response
+ */
+struct bfi_flash_query_rsp_s {
+	struct bfi_mhdr_s mh;	/* Common msg header */
+	u32	status;
+};
+
+/*
+ * Flash read response
+ */
+struct bfi_flash_read_rsp_s {
+	struct bfi_mhdr_s mh;	/* Common msg header */
+	u32	type;       /* partition type */
+	u8	instance;   /* partition instance */
+	u8	rsv[3];
+	u32	status;
+	u32	length;
+};
+
+/*
+ * Flash write response
+ */
+struct bfi_flash_write_rsp_s {
+	struct bfi_mhdr_s mh;	/* Common msg header */
+	u32	type;       /* partition type */
+	u8	instance;   /* partition instance */
+	u8	rsv[3];
+	u32	status;
+	u32	length;
+};
+
+/*
+ * Flash erase response
+ */
+struct bfi_flash_erase_rsp_s {
+	struct bfi_mhdr_s mh;	/* Common msg header */
+	u32	type;		/* partition type */
+	u8	instance;	/* partition instance */
+	u8	rsv[3];
+	u32	status;
+};
+
 #pragma pack()
 
 #endif /* __BFI_H__ */