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authorKrishna Gudipati <kgudipat@brocade.com>2011-06-24 20:27:13 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-06-29 17:23:29 -0500
commit5a54b1d576d1880eb249e906e0c8e2ffe64506d3 (patch)
tree642890240be4d1fed626ff591296f7cb59338132 /drivers/scsi/bfa
parent51e569aa1f0c10bd71af05e76e4ba0e42c51e4ab (diff)
downloadlinux-5a54b1d576d1880eb249e906e0c8e2ffe64506d3.tar.bz2
[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>
Diffstat (limited to 'drivers/scsi/bfa')
-rw-r--r--drivers/scsi/bfa/bfa.h22
-rw-r--r--drivers/scsi/bfa/bfa_core.c15
-rw-r--r--drivers/scsi/bfa/bfa_defs.h106
-rw-r--r--drivers/scsi/bfa/bfa_ioc.c494
-rw-r--r--drivers/scsi/bfa/bfa_ioc.h72
-rw-r--r--drivers/scsi/bfa/bfa_modules.h1
-rw-r--r--drivers/scsi/bfa/bfad_bsg.c117
-rw-r--r--drivers/scsi/bfa/bfad_bsg.h21
-rw-r--r--drivers/scsi/bfa/bfi.h109
9 files changed, 910 insertions, 47 deletions
diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h
index c7cfc585c656..3b0af1102bf4 100644
--- a/drivers/scsi/bfa/bfa.h
+++ b/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
@@ -77,16 +76,6 @@ void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m);
} 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
*/
enum {
@@ -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); \
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 3ba73faf3713..04d362085360 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/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);
}
/*
diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h
index 715d9f9fe33d..97ad07c4aee0 100644
--- a/drivers/scsi/bfa/bfa_defs.h
+++ b/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__ */
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index d579036b08b7..150607324132 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -3821,3 +3821,497 @@ bfa_sfp_speed(struct bfa_sfp_s *sfp, enum bfa_port_speed portspeed,
return bfa_sfp_speed_valid(sfp, portspeed);
}
+
+/*
+ * Flash module specific
+ */
+
+/*
+ * FLASH DMA buffer should be big enough to hold both MFG block and
+ * asic block(64k) at the same time and also should be 2k aligned to
+ * avoid write segement to cross sector boundary.
+ */
+#define BFA_FLASH_SEG_SZ 2048
+#define BFA_FLASH_DMA_BUF_SZ \
+ BFA_ROUNDUP(0x010000 + sizeof(struct bfa_mfg_block_s), BFA_FLASH_SEG_SZ)
+
+static void
+bfa_flash_cb(struct bfa_flash_s *flash)
+{
+ flash->op_busy = 0;
+ if (flash->cbfn)
+ flash->cbfn(flash->cbarg, flash->status);
+}
+
+static void
+bfa_flash_notify(void *cbarg, enum bfa_ioc_event_e event)
+{
+ struct bfa_flash_s *flash = cbarg;
+
+ bfa_trc(flash, event);
+ switch (event) {
+ case BFA_IOC_E_DISABLED:
+ case BFA_IOC_E_FAILED:
+ if (flash->op_busy) {
+ flash->status = BFA_STATUS_IOC_FAILURE;
+ flash->cbfn(flash->cbarg, flash->status);
+ flash->op_busy = 0;
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/*
+ * Send flash attribute query request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_flash_query_send(void *cbarg)
+{
+ struct bfa_flash_s *flash = cbarg;
+ struct bfi_flash_query_req_s *msg =
+ (struct bfi_flash_query_req_s *) flash->mb.msg;
+
+ bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_QUERY_REQ,
+ bfa_ioc_portid(flash->ioc));
+ bfa_alen_set(&msg->alen, sizeof(struct bfa_flash_attr_s),
+ flash->dbuf_pa);
+ bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
+}
+
+/*
+ * Send flash write request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_flash_write_send(struct bfa_flash_s *flash)
+{
+ struct bfi_flash_write_req_s *msg =
+ (struct bfi_flash_write_req_s *) flash->mb.msg;
+ u32 len;
+
+ msg->type = be32_to_cpu(flash->type);
+ msg->instance = flash->instance;
+ msg->offset = be32_to_cpu(flash->addr_off + flash->offset);
+ len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ?
+ flash->residue : BFA_FLASH_DMA_BUF_SZ;
+ msg->length = be32_to_cpu(len);
+
+ /* indicate if it's the last msg of the whole write operation */
+ msg->last = (len == flash->residue) ? 1 : 0;
+
+ bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_WRITE_REQ,
+ bfa_ioc_portid(flash->ioc));
+ bfa_alen_set(&msg->alen, len, flash->dbuf_pa);
+ memcpy(flash->dbuf_kva, flash->ubuf + flash->offset, len);
+ bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
+
+ flash->residue -= len;
+ flash->offset += len;
+}
+
+/*
+ * Send flash read request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_flash_read_send(void *cbarg)
+{
+ struct bfa_flash_s *flash = cbarg;
+ struct bfi_flash_read_req_s *msg =
+ (struct bfi_flash_read_req_s *) flash->mb.msg;
+ u32 len;
+
+ msg->type = be32_to_cpu(flash->type);
+ msg->instance = flash->instance;
+ msg->offset = be32_to_cpu(flash->addr_off + flash->offset);
+ len = (flash->residue < BFA_FLASH_DMA_BUF_SZ) ?
+ flash->residue : BFA_FLASH_DMA_BUF_SZ;
+ msg->length = be32_to_cpu(len);
+ bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_READ_REQ,
+ bfa_ioc_portid(flash->ioc));
+ bfa_alen_set(&msg->alen, len, flash->dbuf_pa);
+ bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
+}
+
+/*
+ * Send flash erase request.
+ *
+ * @param[in] cbarg - callback argument
+ */
+static void
+bfa_flash_erase_send(void *cbarg)
+{
+ struct bfa_flash_s *flash = cbarg;
+ struct bfi_flash_erase_req_s *msg =
+ (struct bfi_flash_erase_req_s *) flash->mb.msg;
+
+ msg->type = be32_to_cpu(flash->type);
+ msg->instance = flash->instance;
+ bfi_h2i_set(msg->mh, BFI_MC_FLASH, BFI_FLASH_H2I_ERASE_REQ,
+ bfa_ioc_portid(flash->ioc));
+ bfa_ioc_mbox_queue(flash->ioc, &flash->mb);
+}
+
+/*
+ * Process flash response messages upon receiving interrupts.
+ *
+ * @param[in] flasharg - flash structure
+ * @param[in] msg - message structure
+ */
+static void
+bfa_flash_intr(void *flasharg, struct bfi_mbmsg_s *msg)
+{
+ struct bfa_flash_s *flash = flasharg;
+ u32 status;
+
+ union {
+ struct bfi_flash_query_rsp_s *query;
+ struct bfi_flash_erase_rsp_s *erase;
+ struct bfi_flash_write_rsp_s *write;
+ struct bfi_flash_read_rsp_s *read;
+ struct bfi_mbmsg_s *msg;
+ } m;
+
+ m.msg = msg;
+ bfa_trc(flash, msg->mh.msg_id);
+
+ if (!flash->op_busy && msg->mh.msg_id != BFI_FLASH_I2H_EVENT) {
+ /* receiving response after ioc failure */
+ bfa_trc(flash, 0x9999);
+ return;
+ }
+
+ switch (msg->mh.msg_id) {
+ case BFI_FLASH_I2H_QUERY_RSP:
+ status = be32_to_cpu(m.query->status);
+ bfa_trc(flash, status);
+ if (status == BFA_STATUS_OK) {
+ u32 i;
+ struct bfa_flash_attr_s *attr, *f;
+
+ attr = (struct bfa_flash_attr_s *) flash->ubuf;
+ f = (struct bfa_flash_attr_s *) flash->dbuf_kva;
+ attr->status = be32_to_cpu(f->status);
+ attr->npart = be32_to_cpu(f->npart);
+ bfa_trc(flash, attr->status);
+ bfa_trc(flash, attr->npart);
+ for (i = 0; i < attr->npart; i++) {
+ attr->part[i].part_type =
+ be32_to_cpu(f->part[i].part_type);
+ attr->part[i].part_instance =
+ be32_to_cpu(f->part[i].part_instance);
+ attr->part[i].part_off =
+ be32_to_cpu(f->part[i].part_off);
+ attr->part[i].part_size =
+ be32_to_cpu(f->part[i].part_size);
+ attr->part[i].part_len =
+ be32_to_cpu(f->part[i].part_len);
+ attr->part[i].part_status =
+ be32_to_cpu(f->part[i].part_status);
+ }
+ }
+ flash->status = status;
+ bfa_flash_cb(flash);
+ break;
+ case BFI_FLASH_I2H_ERASE_RSP:
+ status = be32_to_cpu(m.erase->status);
+ bfa_trc(flash, status);
+ flash->status = status;
+ bfa_flash_cb(flash);
+ break;
+ case BFI_FLASH_I2H_WRITE_RSP:
+ status = be32_to_cpu(m.write->status);
+ bfa_trc(flash, status);
+ if (status != BFA_STATUS_OK || flash->residue == 0) {
+ flash->status = status;
+ bfa_flash_cb(flash);
+ } else {
+ bfa_trc(flash, flash->offset);
+ bfa_flash_write_send(flash);
+ }
+ break;
+ case BFI_FLASH_I2H_READ_RSP:
+ status = be32_to_cpu(m.read->status);
+ bfa_trc(flash, status);
+ if (status != BFA_STATUS_OK) {
+ flash->status = status;
+ bfa_flash_cb(flash);
+ } else {
+ u32 len = be32_to_cpu(m.read->length);
+ bfa_trc(flash, flash->offset);
+ bfa_trc(flash, len);
+ memcpy(flash->ubuf + flash->offset,
+ flash->dbuf_kva, len);
+ flash->residue -= len;
+ flash->offset += len;
+ if (flash->residue == 0) {
+ flash->status = status;
+ bfa_flash_cb(flash);
+ } else
+ bfa_flash_read_send(flash);
+ }
+ break;
+ case BFI_FLASH_I2H_BOOT_VER_RSP:
+ case BFI_FLASH_I2H_EVENT:
+ bfa_trc(flash, msg->mh.msg_id);
+ break;
+
+ default:
+ WARN_ON(1);
+ }
+}
+
+/*
+ * Flash memory info API.
+ *
+ * @param[in] mincfg - minimal cfg variable
+ */
+u32
+bfa_flash_meminfo(bfa_boolean_t mincfg)
+{
+ /* min driver doesn't need flash */
+ if (mincfg)
+ return 0;
+ return BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Flash attach API.
+ *
+ * @param[in] flash - flash structure
+ * @param[in] ioc - ioc structure
+ * @param[in] dev - device structure
+ * @param[in] trcmod - trace module
+ * @param[in] logmod - log module
+ */
+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)
+{
+ flash->ioc = ioc;
+ flash->trcmod = trcmod;
+ flash->cbfn = NULL;
+ flash->cbarg = NULL;
+ flash->op_busy = 0;
+
+ bfa_ioc_mbox_regisr(flash->ioc, BFI_MC_FLASH, bfa_flash_intr, flash);
+ bfa_q_qe_init(&flash->ioc_notify);
+ bfa_ioc_notify_init(&flash->ioc_notify, bfa_flash_notify, flash);
+ list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q);
+
+ /* min driver doesn't need flash */
+ if (mincfg) {
+ flash->dbuf_kva = NULL;
+ flash->dbuf_pa = 0;
+ }
+}
+
+/*
+ * Claim memory for flash
+ *
+ * @param[in] flash - flash structure
+ * @param[in] dm_kva - pointer to virtual memory address
+ * @param[in] dm_pa - physical memory address
+ * @param[in] mincfg - minimal cfg variable
+ */
+void
+bfa_flash_memclaim(struct bfa_flash_s *flash, u8 *dm_kva, u64 dm_pa,
+ bfa_boolean_t mincfg)
+{
+ if (mincfg)
+ return;
+
+ flash->dbuf_kva = dm_kva;
+ flash->dbuf_pa = dm_pa;
+ memset(flash->dbuf_kva, 0, BFA_FLASH_DMA_BUF_SZ);
+ dm_kva += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+ dm_pa += BFA_ROUNDUP(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ);
+}
+
+/*
+ * Get flash attribute.
+ *
+ * @param[in] flash - flash structure
+ * @param[in] attr - flash attribute structure
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+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_trc(flash, BFI_FLASH_H2I_QUERY_REQ);
+
+ if (!bfa_ioc_is_operational(flash->ioc))
+ return BFA_STATUS_IOC_NON_OP;
+
+ if (flash->op_busy) {
+ bfa_trc(flash, flash->op_busy);
+ return BFA_STATUS_DEVBUSY;
+ }
+
+ flash->op_busy = 1;
+ flash->cbfn = cbfn;
+ flash->cbarg = cbarg;
+ flash->ubuf = (u8 *) attr;
+ bfa_flash_query_send(flash);
+
+ return BFA_STATUS_OK;
+}
+
+/*
+ * Erase flash partition.
+ *
+ * @param[in] flash - flash structure
+ * @param[in] type - flash partition type
+ * @param[in] instance - flash partition instance
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+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_trc(flash, BFI_FLASH_H2I_ERASE_REQ);
+ bfa_trc(flash, type);
+ bfa_trc(flash, instance);
+
+ if (!bfa_ioc_is_operational(flash->ioc))
+ return BFA_STATUS_IOC_NON_OP;
+
+ if (flash->op_busy) {
+ bfa_trc(flash, flash->op_busy);
+ return BFA_STATUS_DEVBUSY;
+ }
+
+ flash->op_busy = 1;
+ flash->cbfn = cbfn;
+ flash->cbarg = cbarg;
+ flash->type = type;
+ flash->instance = instance;
+
+ bfa_flash_erase_send(flash);
+ return BFA_STATUS_OK;
+}
+
+/*
+ * Update flash partition.
+ *
+ * @param[in] flash - flash structure
+ * @param[in] type - flash partition type
+ * @param[in] instance - flash partition instance
+ * @param[in] buf - update data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to the partition starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+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_trc(flash, BFI_FLASH_H2I_WRITE_REQ);
+ bfa_trc(flash, type);
+ bfa_trc(flash, instance);
+ bfa_trc(flash, len);
+ bfa_trc(flash, offset);
+
+ if (!bfa_ioc_is_operational(flash->ioc))
+ return BFA_STATUS_IOC_NON_OP;
+
+ /*
+ * 'len' must be in word (4-byte) boundary
+ * 'offset' must be in sector (16kb) boundary
+ */
+ if (!len || (len & 0x03) || (offset & 0x00003FFF))
+ return BFA_STATUS_FLASH_BAD_LEN;
+
+ if (type == BFA_FLASH_PART_MFG)
+ return BFA_STATUS_EINVAL;
+
+ if (flash->op_busy) {
+ bfa_trc(flash, flash->op_busy);
+ return BFA_STATUS_DEVBUSY;
+ }
+
+ flash->op_busy = 1;
+ flash->cbfn = cbfn;
+ flash->cbarg = cbarg;
+ flash->type = type;
+ flash->instance = instance;
+ flash->residue = len;
+ flash->offset = 0;
+ flash->addr_off = offset;
+ flash->ubuf = buf;
+
+ bfa_flash_write_send(flash);
+ return BFA_STATUS_OK;
+}
+
+/*
+ * Read flash partition.
+ *
+ * @param[in] flash - flash structure
+ * @param[in] type - flash partition type
+ * @param[in] instance - flash partition instance
+ * @param[in] buf - read data buffer
+ * @param[in] len - data buffer length
+ * @param[in] offset - offset relative to the partition starting address
+ * @param[in] cbfn - callback function
+ * @param[in] cbarg - callback argument
+ *
+ * Return status.
+ */
+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)
+{
+ bfa_trc(flash, BFI_FLASH_H2I_READ_REQ);
+ bfa_trc(flash, type);
+ bfa_trc(flash, instance);
+ bfa_trc(flash, len);
+ bfa_trc(flash, offset);
+
+ if (!bfa_ioc_is_operational(flash->ioc))
+ return BFA_STATUS_IOC_NON_OP;
+
+ /*
+ * 'len' must be in word (4-byte) boundary
+ * 'offset' must be in sector (16kb) boundary
+ */
+ if (!len || (len & 0x03) || (offset & 0x00003FFF))
+ return BFA_STATUS_FLASH_BAD_LEN;
+
+ if (flash->op_busy) {
+ bfa_trc(flash, flash->op_busy);
+ return BFA_STATUS_DEVBUSY;
+ }
+
+ flash->op_busy = 1;
+ flash->cbfn = cbfn;
+ flash->cbarg = cbarg;
+ flash->type = type;
+ flash->instance = instance;
+ flash->residue = len;
+ flash->offset = 0;
+ flash->addr_off = offset;
+ flash->ubuf = buf;
+ bfa_flash_read_send(flash);
+
+ return BFA_STATUS_OK;
+}
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 1d51164faa81..c302b996b920 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -348,6 +348,28 @@ struct bfa_ioc_hwif_s {
};
/*
+ * 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)
diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h
index d8ea708db9b7..f7783f0d3267 100644
--- a/drivers/scsi/bfa/bfa_modules.h
+++ b/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 */
};
/*
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index e4409e57e3a9..5444661f1150 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -1109,6 +1109,111 @@ out:
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;
diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h
index faafd35f88ae..6bece6c1d876 100644
--- a/drivers/scsi/bfa/bfad_bsg.h
+++ b/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;
diff --git a/drivers/scsi/bfa/bfi.h b/drivers/scsi/bfa/bfi.h
index 0d249984fd08..b7eb3dc27d5b 100644
--- a/drivers/scsi/bfa/bfi.h
+++ b/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__ */