From: Krishna Gudipati <kgudi...@brocade.com>

Change details:
        - Add FRU sub-module to support FRU read/write/update.
        - Add support to read/write from the temp FRU module.

Signed-off-by: Krishna Gudipati <kgudi...@brocade.com>
---
 drivers/scsi/bfa/bfa_core.c    |   14 ++
 drivers/scsi/bfa/bfa_defs.h    |    1 +
 drivers/scsi/bfa/bfa_ioc.c     |  445 ++++++++++++++++++++++++++++++++++++++++
 drivers/scsi/bfa/bfa_ioc.h     |   49 +++++
 drivers/scsi/bfa/bfa_modules.h |    1 +
 drivers/scsi/bfa/bfad_bsg.c    |  125 +++++++++++-
 drivers/scsi/bfa/bfad_bsg.h    |   35 +++-
 drivers/scsi/bfa/bfi.h         |   47 ++++-
 drivers/scsi/bfa/bfi_ms.h      |    1 +
 9 files changed, 713 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 89ebd44..342d7d9 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -165,6 +165,16 @@ bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
        bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
 }
 
+static void
+bfa_com_fru_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
+{
+       struct bfa_fru_s        *fru = BFA_FRU(bfa);
+       struct bfa_mem_dma_s    *fru_dma = BFA_MEM_FRU_DMA(bfa);
+
+       bfa_fru_attach(fru, &bfa->ioc, bfa, bfa->trcmod, mincfg);
+       bfa_fru_memclaim(fru, fru_dma->kva_curp, fru_dma->dma_curp, mincfg);
+}
+
 /*
  * BFA IOC FC related definitions
  */
@@ -1752,6 +1762,7 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct 
bfa_meminfo_s *meminfo,
        struct bfa_mem_dma_s *flash_dma = BFA_MEM_FLASH_DMA(bfa);
        struct bfa_mem_dma_s *diag_dma = BFA_MEM_DIAG_DMA(bfa);
        struct bfa_mem_dma_s *phy_dma = BFA_MEM_PHY_DMA(bfa);
+       struct bfa_mem_dma_s *fru_dma = BFA_MEM_FRU_DMA(bfa);
 
        WARN_ON((cfg == NULL) || (meminfo == NULL));
 
@@ -1776,6 +1787,8 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct 
bfa_meminfo_s *meminfo,
        bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
        bfa_mem_dma_setup(meminfo, phy_dma,
                          bfa_phy_meminfo(cfg->drvcfg.min_cfg));
+       bfa_mem_dma_setup(meminfo, fru_dma,
+                         bfa_fru_meminfo(cfg->drvcfg.min_cfg));
 }
 
 /*
@@ -1848,6 +1861,7 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct 
bfa_iocfc_cfg_s *cfg,
        bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
        bfa_com_diag_attach(bfa);
        bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
+       bfa_com_fru_attach(bfa, cfg->drvcfg.min_cfg);
 }
 
 /*
diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h
index daf7314..0efdf31 100644
--- a/drivers/scsi/bfa/bfa_defs.h
+++ b/drivers/scsi/bfa/bfa_defs.h
@@ -196,6 +196,7 @@ enum bfa_status {
        BFA_STATUS_DPORT_ENABLED = 235, /* D-port mode is already enabled */
        BFA_STATUS_DPORT_DISABLED = 236, /* D-port mode is already disabled */
        BFA_STATUS_CMD_NOTSUPP_MEZZ = 239, /* Cmd not supported for MEZZ card */
+       BFA_STATUS_FRU_NOT_PRESENT = 240, /* fru module not present */
        BFA_STATUS_DPORT_ERR = 245,     /* D-port mode is enabled */
        BFA_STATUS_MAX_VAL              /* Unknown error code */
 };
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index caf1e45..29bf74d 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -5956,3 +5956,448 @@ bfa_dconf_modexit(struct bfa_s *bfa)
        struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa);
        bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT);
 }
+
+/*
+ * FRU specific functions
+ */
+
+#define BFA_FRU_DMA_BUF_SZ     0x02000         /* 8k dma buffer */
+#define BFA_FRU_CHINOOK_MAX_SIZE 0x10000
+#define BFA_FRU_LIGHTNING_MAX_SIZE 0x200
+
+static void
+bfa_fru_notify(void *cbarg, enum bfa_ioc_event_e event)
+{
+       struct bfa_fru_s *fru = cbarg;
+
+       bfa_trc(fru, event);
+
+       switch (event) {
+       case BFA_IOC_E_DISABLED:
+       case BFA_IOC_E_FAILED:
+               if (fru->op_busy) {
+                       fru->status = BFA_STATUS_IOC_FAILURE;
+                       fru->cbfn(fru->cbarg, fru->status);
+                       fru->op_busy = 0;
+               }
+               break;
+
+       default:
+               break;
+       }
+}
+
+/*
+ * Send fru write request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_fru_write_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type)
+{
+       struct bfa_fru_s *fru = cbarg;
+       struct bfi_fru_write_req_s *msg =
+                       (struct bfi_fru_write_req_s *) fru->mb.msg;
+       u32 len;
+
+       msg->offset = cpu_to_be32(fru->addr_off + fru->offset);
+       len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ?
+                               fru->residue : BFA_FRU_DMA_BUF_SZ;
+       msg->length = cpu_to_be32(len);
+
+       /*
+        * indicate if it's the last msg of the whole write operation
+        */
+       msg->last = (len == fru->residue) ? 1 : 0;
+
+       bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc));
+       bfa_alen_set(&msg->alen, len, fru->dbuf_pa);
+
+       memcpy(fru->dbuf_kva, fru->ubuf + fru->offset, len);
+       bfa_ioc_mbox_queue(fru->ioc, &fru->mb);
+
+       fru->residue -= len;
+       fru->offset += len;
+}
+
+/*
+ * Send fru read request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_fru_read_send(void *cbarg, enum bfi_fru_h2i_msgs msg_type)
+{
+       struct bfa_fru_s *fru = cbarg;
+       struct bfi_fru_read_req_s *msg =
+                       (struct bfi_fru_read_req_s *) fru->mb.msg;
+       u32 len;
+
+       msg->offset = cpu_to_be32(fru->addr_off + fru->offset);
+       len = (fru->residue < BFA_FRU_DMA_BUF_SZ) ?
+                               fru->residue : BFA_FRU_DMA_BUF_SZ;
+       msg->length = cpu_to_be32(len);
+       bfi_h2i_set(msg->mh, BFI_MC_FRU, msg_type, bfa_ioc_portid(fru->ioc));
+       bfa_alen_set(&msg->alen, len, fru->dbuf_pa);
+       bfa_ioc_mbox_queue(fru->ioc, &fru->mb);
+}
+
+/*
+ * Flash memory info API.
+ *
+ * @param[in] mincfg - minimal cfg variable
+ */
+u32
+bfa_fru_meminfo(bfa_boolean_t mincfg)
+{
+       /* min driver doesn't need fru */
+       if (mincfg)
+               return 0;
+
+       return BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Flash attach API.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] ioc  - ioc structure
+ * @param[in] dev  - device structure
+ * @param[in] trcmod - trace module
+ * @param[in] logmod - log module
+ */
+void
+bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc, void *dev,
+       struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg)
+{
+       fru->ioc = ioc;
+       fru->trcmod = trcmod;
+       fru->cbfn = NULL;
+       fru->cbarg = NULL;
+       fru->op_busy = 0;
+
+       bfa_ioc_mbox_regisr(fru->ioc, BFI_MC_FRU, bfa_fru_intr, fru);
+       bfa_q_qe_init(&fru->ioc_notify);
+       bfa_ioc_notify_init(&fru->ioc_notify, bfa_fru_notify, fru);
+       list_add_tail(&fru->ioc_notify.qe, &fru->ioc->notify_q);
+
+       /* min driver doesn't need fru */
+       if (mincfg) {
+               fru->dbuf_kva = NULL;
+               fru->dbuf_pa = 0;
+       }
+}
+
+/*
+ * Claim memory for fru
+ *
+ * @param[in] fru - fru structure
+ * @param[in] dm_kva - pointer to virtual memory address
+ * @param[in] dm_pa - frusical memory address
+ * @param[in] mincfg - minimal cfg variable
+ */
+void
+bfa_fru_memclaim(struct bfa_fru_s *fru, u8 *dm_kva, u64 dm_pa,
+       bfa_boolean_t mincfg)
+{
+       if (mincfg)
+               return;
+
+       fru->dbuf_kva = dm_kva;
+       fru->dbuf_pa = dm_pa;
+       memset(fru->dbuf_kva, 0, BFA_FRU_DMA_BUF_SZ);
+       dm_kva += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+       dm_pa += BFA_ROUNDUP(BFA_FRU_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Update fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - update data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_update(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+                 bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_FRUVPD_H2I_WRITE_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK)
+               return BFA_STATUS_CMD_NOTSUPP;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+
+       bfa_fru_write_send(fru, BFI_FRUVPD_H2I_WRITE_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * Read fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - read data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+               bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_FRUVPD_H2I_READ_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (fru->ioc->attr->card_type != BFA_MFG_TYPE_CHINOOK)
+               return BFA_STATUS_CMD_NOTSUPP;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+       bfa_fru_read_send(fru, BFI_FRUVPD_H2I_READ_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * Get maximum size fru vpd image.
+ *
+ * @param[in] fru - fru structure
+ * @param[out] size - maximum size of fru vpd data
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size)
+{
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->ioc->attr->card_type == BFA_MFG_TYPE_CHINOOK)
+               *max_size = BFA_FRU_CHINOOK_MAX_SIZE;
+       else
+               return BFA_STATUS_CMD_NOTSUPP;
+       return BFA_STATUS_OK;
+}
+/*
+ * tfru write.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - update data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_tfru_write(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+              bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_TFRU_H2I_WRITE_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+       bfa_trc(fru, *((u8 *) buf));
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+
+       bfa_fru_write_send(fru, BFI_TFRU_H2I_WRITE_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * tfru read.
+ *
+ * @param[in] fru - fru structure
+ * @param[in] buf - read data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+bfa_status_t
+bfa_tfru_read(struct bfa_fru_s *fru, void *buf, u32 len, u32 offset,
+             bfa_cb_fru_t cbfn, void *cbarg)
+{
+       bfa_trc(fru, BFI_TFRU_H2I_READ_REQ);
+       bfa_trc(fru, len);
+       bfa_trc(fru, offset);
+
+       if (fru->ioc->asic_gen != BFI_ASIC_GEN_CT2)
+               return BFA_STATUS_FRU_NOT_PRESENT;
+
+       if (!bfa_ioc_is_operational(fru->ioc))
+               return BFA_STATUS_IOC_NON_OP;
+
+       if (fru->op_busy) {
+               bfa_trc(fru, fru->op_busy);
+               return BFA_STATUS_DEVBUSY;
+       }
+
+       fru->op_busy = 1;
+
+       fru->cbfn = cbfn;
+       fru->cbarg = cbarg;
+       fru->residue = len;
+       fru->offset = 0;
+       fru->addr_off = offset;
+       fru->ubuf = buf;
+       bfa_fru_read_send(fru, BFI_TFRU_H2I_READ_REQ);
+
+       return BFA_STATUS_OK;
+}
+
+/*
+ * Process fru response messages upon receiving interrupts.
+ *
+ * @param[in] fruarg - fru structure
+ * @param[in] msg - message structure
+ */
+void
+bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg)
+{
+       struct bfa_fru_s *fru = fruarg;
+       struct bfi_fru_rsp_s *rsp = (struct bfi_fru_rsp_s *)msg;
+       u32 status;
+
+       bfa_trc(fru, msg->mh.msg_id);
+
+       if (!fru->op_busy) {
+               /*
+                * receiving response after ioc failure
+                */
+               bfa_trc(fru, 0x9999);
+               return;
+       }
+
+       switch (msg->mh.msg_id) {
+       case BFI_FRUVPD_I2H_WRITE_RSP:
+       case BFI_TFRU_I2H_WRITE_RSP:
+               status = be32_to_cpu(rsp->status);
+               bfa_trc(fru, status);
+
+               if (status != BFA_STATUS_OK || fru->residue == 0) {
+                       fru->status = status;
+                       fru->op_busy = 0;
+                       if (fru->cbfn)
+                               fru->cbfn(fru->cbarg, fru->status);
+               } else {
+                       bfa_trc(fru, fru->offset);
+                       if (msg->mh.msg_id == BFI_FRUVPD_I2H_WRITE_RSP)
+                               bfa_fru_write_send(fru,
+                                       BFI_FRUVPD_H2I_WRITE_REQ);
+                       else
+                               bfa_fru_write_send(fru,
+                                       BFI_TFRU_H2I_WRITE_REQ);
+               }
+               break;
+       case BFI_FRUVPD_I2H_READ_RSP:
+       case BFI_TFRU_I2H_READ_RSP:
+               status = be32_to_cpu(rsp->status);
+               bfa_trc(fru, status);
+
+               if (status != BFA_STATUS_OK) {
+                       fru->status = status;
+                       fru->op_busy = 0;
+                       if (fru->cbfn)
+                               fru->cbfn(fru->cbarg, fru->status);
+               } else {
+                       u32 len = be32_to_cpu(rsp->length);
+
+                       bfa_trc(fru, fru->offset);
+                       bfa_trc(fru, len);
+
+                       memcpy(fru->ubuf + fru->offset, fru->dbuf_kva, len);
+                       fru->residue -= len;
+                       fru->offset += len;
+
+                       if (fru->residue == 0) {
+                               fru->status = status;
+                               fru->op_busy = 0;
+                               if (fru->cbfn)
+                                       fru->cbfn(fru->cbarg, fru->status);
+                       } else {
+                               if (msg->mh.msg_id == BFI_FRUVPD_I2H_READ_RSP)
+                                       bfa_fru_read_send(fru,
+                                               BFI_FRUVPD_H2I_READ_REQ);
+                               else
+                                       bfa_fru_read_send(fru,
+                                               BFI_TFRU_H2I_READ_REQ);
+                       }
+               }
+               break;
+       default:
+               WARN_ON(1);
+       }
+}
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 54b9048..cb65f44 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -702,6 +702,55 @@ void bfa_phy_memclaim(struct bfa_phy_s *phy,
 void bfa_phy_intr(void *phyarg, struct bfi_mbmsg_s *msg);
 
 /*
+ * FRU module specific
+ */
+typedef void (*bfa_cb_fru_t) (void *cbarg, bfa_status_t status);
+
+struct bfa_fru_s {
+       struct bfa_ioc_s *ioc;          /* back pointer to ioc */
+       struct bfa_trc_mod_s *trcmod;   /* trace module */
+       u8              op_busy;        /* operation busy flag */
+       u8              rsv[3];
+       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_fru_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;       /* fru address offset */
+       struct bfa_mbox_cmd_s mb;       /* mailbox */
+       struct bfa_ioc_notify_s ioc_notify; /* ioc event notify */
+       struct bfa_mem_dma_s    fru_dma;
+};
+
+#define BFA_FRU(__bfa) (&(__bfa)->modules.fru)
+#define BFA_MEM_FRU_DMA(__bfa) (&(BFA_FRU(__bfa)->fru_dma))
+
+bfa_status_t bfa_fruvpd_update(struct bfa_fru_s *fru,
+                       void *buf, u32 len, u32 offset,
+                       bfa_cb_fru_t cbfn, void *cbarg);
+bfa_status_t bfa_fruvpd_read(struct bfa_fru_s *fru,
+                       void *buf, u32 len, u32 offset,
+                       bfa_cb_fru_t cbfn, void *cbarg);
+bfa_status_t bfa_fruvpd_get_max_size(struct bfa_fru_s *fru, u32 *max_size);
+bfa_status_t bfa_tfru_write(struct bfa_fru_s *fru,
+                       void *buf, u32 len, u32 offset,
+                       bfa_cb_fru_t cbfn, void *cbarg);
+bfa_status_t bfa_tfru_read(struct bfa_fru_s *fru,
+                       void *buf, u32 len, u32 offset,
+                       bfa_cb_fru_t cbfn, void *cbarg);
+u32    bfa_fru_meminfo(bfa_boolean_t mincfg);
+void bfa_fru_attach(struct bfa_fru_s *fru, struct bfa_ioc_s *ioc,
+               void *dev, struct bfa_trc_mod_s *trcmod, bfa_boolean_t mincfg);
+void bfa_fru_memclaim(struct bfa_fru_s *fru,
+               u8 *dm_kva, u64 dm_pa, bfa_boolean_t mincfg);
+void bfa_fru_intr(void *fruarg, struct bfi_mbmsg_s *msg);
+
+/*
  * Driver Config( dconf) specific
  */
 #define BFI_DCONF_SIGNATURE    0xabcdabcd
diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h
index 189fff7..a14c784 100644
--- a/drivers/scsi/bfa/bfa_modules.h
+++ b/drivers/scsi/bfa/bfa_modules.h
@@ -45,6 +45,7 @@ struct bfa_modules_s {
        struct bfa_diag_s       diag_mod;       /*  diagnostics module  */
        struct bfa_phy_s        phy;            /*  phy module          */
        struct bfa_dconf_mod_s  dconf_mod;      /*  DCONF common module */
+       struct bfa_fru_s        fru;            /*  fru module          */
 };
 
 /*
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index 0ab1d40..f718de4 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -107,9 +107,8 @@ bfad_iocmd_ioc_get_info(struct bfad_s *bfad, void *cmd)
 
        /* set adapter hw path */
        strcpy(iocmd->adapter_hwpath, bfad->pci_name);
-       i = strlen(iocmd->adapter_hwpath) - 1;
-       while (iocmd->adapter_hwpath[i] != '.')
-               i--;
+       for (i = 0; iocmd->adapter_hwpath[i] != ':' && i < BFA_STRING_32; i++);
+       for (; iocmd->adapter_hwpath[++i] != ':' && i < BFA_STRING_32; );
        iocmd->adapter_hwpath[i] = '\0';
        iocmd->status = BFA_STATUS_OK;
        return 0;
@@ -2583,6 +2582,109 @@ bfad_iocmd_fcpim_throttle_set(struct bfad_s *bfad, void 
*cmd)
        return 0;
 }
 
+int
+bfad_iocmd_tfru_read(struct bfad_s *bfad, void *cmd)
+{
+       struct bfa_bsg_tfru_s *iocmd =
+                       (struct bfa_bsg_tfru_s *)cmd;
+       struct bfad_hal_comp fcomp;
+       unsigned long flags = 0;
+
+       init_completion(&fcomp.comp);
+       spin_lock_irqsave(&bfad->bfad_lock, flags);
+       iocmd->status = bfa_tfru_read(BFA_FRU(&bfad->bfa),
+                               &iocmd->data, iocmd->len, iocmd->offset,
+                               bfad_hcb_comp, &fcomp);
+       spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+       if (iocmd->status == BFA_STATUS_OK) {
+               wait_for_completion(&fcomp.comp);
+               iocmd->status = fcomp.status;
+       }
+
+       return 0;
+}
+
+int
+bfad_iocmd_tfru_write(struct bfad_s *bfad, void *cmd)
+{
+       struct bfa_bsg_tfru_s *iocmd =
+                       (struct bfa_bsg_tfru_s *)cmd;
+       struct bfad_hal_comp fcomp;
+       unsigned long flags = 0;
+
+       init_completion(&fcomp.comp);
+       spin_lock_irqsave(&bfad->bfad_lock, flags);
+       iocmd->status = bfa_tfru_write(BFA_FRU(&bfad->bfa),
+                               &iocmd->data, iocmd->len, iocmd->offset,
+                               bfad_hcb_comp, &fcomp);
+       spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+       if (iocmd->status == BFA_STATUS_OK) {
+               wait_for_completion(&fcomp.comp);
+               iocmd->status = fcomp.status;
+       }
+
+       return 0;
+}
+
+int
+bfad_iocmd_fruvpd_read(struct bfad_s *bfad, void *cmd)
+{
+       struct bfa_bsg_fruvpd_s *iocmd =
+                       (struct bfa_bsg_fruvpd_s *)cmd;
+       struct bfad_hal_comp fcomp;
+       unsigned long flags = 0;
+
+       init_completion(&fcomp.comp);
+       spin_lock_irqsave(&bfad->bfad_lock, flags);
+       iocmd->status = bfa_fruvpd_read(BFA_FRU(&bfad->bfa),
+                               &iocmd->data, iocmd->len, iocmd->offset,
+                               bfad_hcb_comp, &fcomp);
+       spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+       if (iocmd->status == BFA_STATUS_OK) {
+               wait_for_completion(&fcomp.comp);
+               iocmd->status = fcomp.status;
+       }
+
+       return 0;
+}
+
+int
+bfad_iocmd_fruvpd_update(struct bfad_s *bfad, void *cmd)
+{
+       struct bfa_bsg_fruvpd_s *iocmd =
+                       (struct bfa_bsg_fruvpd_s *)cmd;
+       struct bfad_hal_comp fcomp;
+       unsigned long flags = 0;
+
+       init_completion(&fcomp.comp);
+       spin_lock_irqsave(&bfad->bfad_lock, flags);
+       iocmd->status = bfa_fruvpd_update(BFA_FRU(&bfad->bfa),
+                               &iocmd->data, iocmd->len, iocmd->offset,
+                               bfad_hcb_comp, &fcomp);
+       spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+       if (iocmd->status == BFA_STATUS_OK) {
+               wait_for_completion(&fcomp.comp);
+               iocmd->status = fcomp.status;
+       }
+
+       return 0;
+}
+
+int
+bfad_iocmd_fruvpd_get_max_size(struct bfad_s *bfad, void *cmd)
+{
+       struct bfa_bsg_fruvpd_max_size_s *iocmd =
+                       (struct bfa_bsg_fruvpd_max_size_s *)cmd;
+       unsigned long flags = 0;
+
+       spin_lock_irqsave(&bfad->bfad_lock, flags);
+       iocmd->status = bfa_fruvpd_get_max_size(BFA_FRU(&bfad->bfa),
+                                               &iocmd->max_size);
+       spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+       return 0;
+}
+
 static int
 bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
                unsigned int payload_len)
@@ -2923,6 +3025,23 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int 
cmd, void *iocmd,
        case IOCMD_FCPIM_THROTTLE_SET:
                rc = bfad_iocmd_fcpim_throttle_set(bfad, iocmd);
                break;
+       /* TFRU */
+       case IOCMD_TFRU_READ:
+               rc = bfad_iocmd_tfru_read(bfad, iocmd);
+               break;
+       case IOCMD_TFRU_WRITE:
+               rc = bfad_iocmd_tfru_write(bfad, iocmd);
+               break;
+       /* FRU */
+       case IOCMD_FRUVPD_READ:
+               rc = bfad_iocmd_fruvpd_read(bfad, iocmd);
+               break;
+       case IOCMD_FRUVPD_UPDATE:
+               rc = bfad_iocmd_fruvpd_update(bfad, iocmd);
+               break;
+       case IOCMD_FRUVPD_GET_MAX_SIZE:
+               rc = bfad_iocmd_fruvpd_get_max_size(bfad, iocmd);
+               break;
        default:
                rc = -EINVAL;
                break;
diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h
index e48dcca..15e1fc8 100644
--- a/drivers/scsi/bfa/bfad_bsg.h
+++ b/drivers/scsi/bfa/bfad_bsg.h
@@ -146,7 +146,12 @@ enum {
        IOCMD_DIAG_DPORT_GET_STATE,
        IOCMD_QOS_SET_BW,
        IOCMD_FCPIM_THROTTLE_QUERY,
-       IOCMD_FCPIM_THROTTLE_SET
+       IOCMD_FCPIM_THROTTLE_SET,
+       IOCMD_TFRU_READ,
+       IOCMD_TFRU_WRITE,
+       IOCMD_FRUVPD_READ,
+       IOCMD_FRUVPD_UPDATE,
+       IOCMD_FRUVPD_GET_MAX_SIZE,
 };
 
 struct bfa_bsg_gen_s {
@@ -750,6 +755,34 @@ struct bfa_bsg_fcpim_throttle_s {
        struct bfa_defs_fcpim_throttle_s throttle;
 };
 
+#define BFA_TFRU_DATA_SIZE             64
+#define BFA_MAX_FRUVPD_TRANSFER_SIZE   0x1000
+
+struct bfa_bsg_tfru_s {
+       bfa_status_t    status;
+       u16             bfad_num;
+       u16             rsvd;
+       u32             offset;
+       u32             len;
+       u8              data[BFA_TFRU_DATA_SIZE];
+};
+
+struct bfa_bsg_fruvpd_s {
+       bfa_status_t    status;
+       u16             bfad_num;
+       u16             rsvd;
+       u32             offset;
+       u32             len;
+       u8              data[BFA_MAX_FRUVPD_TRANSFER_SIZE];
+};
+
+struct bfa_bsg_fruvpd_max_size_s {
+       bfa_status_t    status;
+       u16             bfad_num;
+       u16             rsvd;
+       u32             max_size;
+};
+
 struct bfa_bsg_fcpt_s {
        bfa_status_t    status;
        u16             vf_id;
diff --git a/drivers/scsi/bfa/bfi.h b/drivers/scsi/bfa/bfi.h
index 9c9861f..57b146b 100644
--- a/drivers/scsi/bfa/bfi.h
+++ b/drivers/scsi/bfa/bfi.h
@@ -210,7 +210,8 @@ enum bfi_mclass {
        BFI_MC_PORT             = 21,   /*  Physical port                   */
        BFI_MC_SFP              = 22,   /*  SFP module  */
        BFI_MC_PHY              = 25,   /*  External PHY message class  */
-       BFI_MC_MAX              = 32
+       BFI_MC_FRU              = 34,
+       BFI_MC_MAX              = 35
 };
 
 #define BFI_IOC_MAX_CQS                4
@@ -1170,6 +1171,50 @@ struct bfi_phy_write_rsp_s {
        u32                     length;
 };
 
+enum bfi_fru_h2i_msgs {
+       BFI_FRUVPD_H2I_WRITE_REQ = 1,
+       BFI_FRUVPD_H2I_READ_REQ = 2,
+       BFI_TFRU_H2I_WRITE_REQ = 3,
+       BFI_TFRU_H2I_READ_REQ = 4,
+};
+
+enum bfi_fru_i2h_msgs {
+       BFI_FRUVPD_I2H_WRITE_RSP = BFA_I2HM(1),
+       BFI_FRUVPD_I2H_READ_RSP = BFA_I2HM(2),
+       BFI_TFRU_I2H_WRITE_RSP = BFA_I2HM(3),
+       BFI_TFRU_I2H_READ_RSP = BFA_I2HM(4),
+};
+
+/*
+ * FRU write request
+ */
+struct bfi_fru_write_req_s {
+       struct bfi_mhdr_s       mh;     /* Common msg header */
+       u8                      last;
+       u8                      rsv[3];
+       u32                     offset;
+       u32                     length;
+       struct bfi_alen_s       alen;
+};
+
+/*
+ * FRU read request
+ */
+struct bfi_fru_read_req_s {
+       struct bfi_mhdr_s       mh;     /* Common msg header */
+       u32                     offset;
+       u32                     length;
+       struct bfi_alen_s       alen;
+};
+
+/*
+ * FRU response
+ */
+struct bfi_fru_rsp_s {
+       struct bfi_mhdr_s       mh;     /* Common msg header */
+       u32                     status;
+       u32                     length;
+};
 #pragma pack()
 
 #endif /* __BFI_H__ */
diff --git a/drivers/scsi/bfa/bfi_ms.h b/drivers/scsi/bfa/bfi_ms.h
index c89defc..5ae2c16 100644
--- a/drivers/scsi/bfa/bfi_ms.h
+++ b/drivers/scsi/bfa/bfi_ms.h
@@ -426,6 +426,7 @@ struct bfi_lps_login_req_s {
        u8              auth_en;
        u8              lps_role;
        u8              bb_scn;
+       u32             vvl_flag;
 };
 
 struct bfi_lps_login_rsp_s {
-- 
1.7.3.rc1

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