[SCSI] lpfc 8.3.10: Added management for LP21000 through BSG.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/lpfc/lpfc.h

@@ -37,6 +37,9 @@ struct lpfc_sli2_slim;
 					   the NameServer  before giving up. */
 #define LPFC_CMD_PER_LUN	3	/* max outstanding cmds per lun */
 #define LPFC_DEFAULT_SG_SEG_CNT 64	/* sg element count per scsi cmnd */
+#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128	/* sg element count per scsi
+		cmnd for menlo needs nearly twice as for firmware
+		downloads using bsg */
 #define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
 #define LPFC_MAX_SG_SEG_CNT	4096	/* sg element count per scsi cmnd */
 #define LPFC_MAX_PROT_SG_SEG_CNT 4096	/* prot sg element count per scsi cmd*/
@@ -806,6 +809,9 @@ struct lpfc_hba {
 	struct list_head ct_ev_waiters;
 	struct unsol_rcv_ct_ctx ct_ctx[64];
 	uint32_t ctx_idx;
+
+	uint8_t menlo_flag;	/* menlo generic flags */
+#define HBA_MENLO_SUPPORT	0x1 /* HBA supports menlo commands */
 };
 
 static inline struct Scsi_Host *

drivers/scsi/lpfc/lpfc_bsg.h

@@ -31,6 +31,8 @@
 #define LPFC_BSG_VENDOR_DIAG_TEST	5
 #define LPFC_BSG_VENDOR_GET_MGMT_REV	6
 #define LPFC_BSG_VENDOR_MBOX		7
+#define LPFC_BSG_VENDOR_MENLO_CMD	8
+#define LPFC_BSG_VENDOR_MENLO_DATA	9
 
 struct set_ct_event {
 	uint32_t command;
@@ -96,3 +98,13 @@ struct dfc_mbox_req {
 	uint8_t mbOffset;
 };
 
+/* Used for menlo command or menlo data. The xri is only used for menlo data */
+struct menlo_command {
+	uint32_t cmd;
+	uint32_t xri;
+};
+
+struct menlo_response {
+	uint32_t xri; /* return the xri of the iocb exchange */
+};
+

drivers/scsi/lpfc/lpfc_init.c

@@ -2597,6 +2597,14 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
 	init_timer(&vport->els_tmofunc);
 	vport->els_tmofunc.function = lpfc_els_timeout;
 	vport->els_tmofunc.data = (unsigned long)vport;
+	if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
+		phba->menlo_flag |= HBA_MENLO_SUPPORT;
+		/* check for menlo minimum sg count */
+		if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) {
+			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
+			shost->sg_tablesize = phba->cfg_sg_seg_cnt;
+		}
+	}
 
 	error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
 	if (error)