[SCSI] bfa: Added support to query PHY.

- Added PHY sub-module.
- Implemented interface to obtain stats and to
  read/update the fw from the PHY module.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/bfa/bfa_core.c

@@ -154,6 +154,16 @@ bfa_com_diag_attach(struct bfa_s *bfa)
 	bfa_diag_memclaim(diag, diag_dma->kva_curp, diag_dma->dma_curp);
 }
 
+static void
+bfa_com_phy_attach(struct bfa_s *bfa, bfa_boolean_t mincfg)
+{
+	struct bfa_phy_s	*phy = BFA_PHY(bfa);
+	struct bfa_mem_dma_s	*phy_dma = BFA_MEM_PHY_DMA(bfa);
+
+	bfa_phy_attach(phy, &bfa->ioc, bfa, bfa->trcmod, mincfg);
+	bfa_phy_memclaim(phy, phy_dma->kva_curp, phy_dma->dma_curp, mincfg);
+}
+
 /*
  * BFA IOC FC related definitions
  */
@@ -1395,6 +1405,7 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
 	struct bfa_mem_dma_s *sfp_dma = BFA_MEM_SFP_DMA(bfa);
 	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);
 
 	WARN_ON((cfg == NULL) || (meminfo == NULL));
 
@@ -1417,6 +1428,8 @@ bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
 	bfa_mem_dma_setup(meminfo, flash_dma,
 			  bfa_flash_meminfo(cfg->drvcfg.min_cfg));
 	bfa_mem_dma_setup(meminfo, diag_dma, bfa_diag_meminfo());
+	bfa_mem_dma_setup(meminfo, phy_dma,
+			  bfa_phy_meminfo(cfg->drvcfg.min_cfg));
 }
 
 /*
@@ -1488,6 +1501,7 @@ bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	bfa_com_sfp_attach(bfa);
 	bfa_com_flash_attach(bfa, cfg->drvcfg.min_cfg);
 	bfa_com_diag_attach(bfa);
+	bfa_com_phy_attach(bfa, cfg->drvcfg.min_cfg);
 }
 
 /*

drivers/scsi/bfa/bfa_defs.h

@@ -170,6 +170,7 @@ enum bfa_status {
 	BFA_STATUS_TRUNK_DISABLED  = 165, /* Trunking is disabled on
 					   * the adapter */
 	BFA_STATUS_IOPROFILE_OFF = 175, /* IO profile OFF */
+	BFA_STATUS_PHY_NOT_PRESENT = 183, /* PHY module not present */
 	BFA_STATUS_FEATURE_NOT_SUPPORTED = 192,	/* Feature not supported */
 	BFA_STATUS_FAA_ENABLED = 197,	/* FAA is already enabled */
 	BFA_STATUS_FAA_DISABLED = 198,	/* FAA is already disabled */
@@ -939,6 +940,42 @@ struct bfa_diag_loopback_s {
 	u8	rsvd[2];
 };
 
+/*
+ *	PHY module specific
+ */
+enum bfa_phy_status_e {
+	BFA_PHY_STATUS_GOOD	= 0, /* phy is good */
+	BFA_PHY_STATUS_NOT_PRESENT	= 1, /* phy does not exist */
+	BFA_PHY_STATUS_BAD	= 2, /* phy is bad */
+};
+
+/*
+ * phy attributes for phy query
+ */
+struct bfa_phy_attr_s {
+	u32	status;         /* phy present/absent status */
+	u32	length;         /* firmware length */
+	u32	fw_ver;         /* firmware version */
+	u32	an_status;      /* AN status */
+	u32	pma_pmd_status; /* PMA/PMD link status */
+	u32	pma_pmd_signal; /* PMA/PMD signal detect */
+	u32	pcs_status;     /* PCS link status */
+};
+
+/*
+ * phy stats
+ */
+struct bfa_phy_stats_s {
+	u32	status;         /* phy stats status */
+	u32	link_breaks;    /* Num of link breaks after linkup */
+	u32	pma_pmd_fault;  /* NPMA/PMD fault */
+	u32	pcs_fault;      /* PCS fault */
+	u32	speed_neg;      /* Num of speed negotiation */
+	u32	tx_eq_training; /* Num of TX EQ training */
+	u32	tx_eq_timeout;  /* Num of TX EQ timeout */
+	u32	crc_error;      /* Num of CRC errors */
+};
+
 #pragma pack()
 
 #endif /* __BFA_DEFS_H__ */