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From 748b88ff6deca4fda640b16ca021857b33aa5ca6 Mon Sep 17 00:00:00 2001
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From: Sasikumar Chandrasekaran <sasikumar.pc@broadcom.com>
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Date: Tue, 10 Jan 2017 18:20:43 -0500
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Subject: [PATCH 01/11] scsi: megaraid_sas: Add new pci device Ids for SAS3.5
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 Generic Megaraid Controllers
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This patch contains new pci device ids for SAS3.5 Generic Megaraid Controllers
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Signed-off-by: Sasikumar Chandrasekaran <sasikumar.pc@broadcom.com>
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Reviewed-by: Tomas Henzl <thenzl@redhat.com>
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Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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---
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 drivers/scsi/megaraid/megaraid_sas.h        | 12 +++++++++---
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 drivers/scsi/megaraid/megaraid_sas_base.c   | 14 +++++++++++++-
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 drivers/scsi/megaraid/megaraid_sas_fusion.c | 30 ++++++++++++++++++++++-------
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 3 files changed, 45 insertions(+), 11 deletions(-)
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diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
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index ba52d14..e5ac6b1 100644
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--- a/drivers/scsi/megaraid/megaraid_sas.h
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+++ b/drivers/scsi/megaraid/megaraid_sas.h
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@@ -56,6 +56,11 @@
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 #define PCI_DEVICE_ID_LSI_INTRUDER_24		0x00cf
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 #define PCI_DEVICE_ID_LSI_CUTLASS_52		0x0052
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 #define PCI_DEVICE_ID_LSI_CUTLASS_53		0x0053
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+#define PCI_DEVICE_ID_LSI_VENTURA		    0x0014
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+#define PCI_DEVICE_ID_LSI_HARPOON		    0x0016
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+#define PCI_DEVICE_ID_LSI_TOMCAT		    0x0017
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+#define PCI_DEVICE_ID_LSI_VENTURA_4PORT		0x001B
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+#define PCI_DEVICE_ID_LSI_CRUSADER_4PORT	0x001C
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 /*
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  * Intel HBA SSDIDs
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@@ -100,7 +105,7 @@
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  */
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 /*
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- * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for 
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+ * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
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  * protocol between the software and firmware. Commands are issued using
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  * "message frames"
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  */
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@@ -1435,7 +1440,7 @@ enum FW_BOOT_CONTEXT {
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 * register set for both 1068 and 1078 controllers
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 * structure extended for 1078 registers
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 */
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- 
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+
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 struct megasas_register_set {
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 	u32	doorbell;                       /*0000h*/
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 	u32	fusion_seq_offset;		/*0004h*/
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@@ -1478,7 +1483,7 @@ struct megasas_register_set {
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 	u32 	inbound_high_queue_port ;	/*00C4h*/
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-	u32 	reserved_5;			/*00C8h*/
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+	u32 inbound_single_queue_port;	/*00C8h*/
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 	u32	res_6[11];			/*CCh*/
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 	u32	host_diag;
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 	u32	seq_offset;
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@@ -2143,6 +2148,7 @@ struct megasas_instance {
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 	u8 is_rdpq;
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 	bool dev_handle;
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 	bool fw_sync_cache_support;
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+	bool is_ventura;
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 };
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 struct MR_LD_VF_MAP {
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 	u32 size;
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diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
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index ac01648..a73e6f6 100644
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--- a/drivers/scsi/megaraid/megaraid_sas_base.c
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+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
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@@ -155,6 +155,12 @@ static struct pci_device_id megasas_pci_table[] = {
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 	/* Intruder 24 port*/
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 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_52)},
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 	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CUTLASS_53)},
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+	/* VENTURA */
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+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA)},
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+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_HARPOON)},
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+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_TOMCAT)},
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+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VENTURA_4PORT)},
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+	{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_CRUSADER_4PORT)},
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 	{}
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 };
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@@ -5765,6 +5771,12 @@ static int megasas_probe_one(struct pci_dev *pdev,
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 	instance->pdev = pdev;
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 	switch (instance->pdev->device) {
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+	case PCI_DEVICE_ID_LSI_VENTURA:
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+	case PCI_DEVICE_ID_LSI_HARPOON:
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+	case PCI_DEVICE_ID_LSI_TOMCAT:
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+	case PCI_DEVICE_ID_LSI_VENTURA_4PORT:
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+	case PCI_DEVICE_ID_LSI_CRUSADER_4PORT:
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+	     instance->is_ventura = true;
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 	case PCI_DEVICE_ID_LSI_FUSION:
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 	case PCI_DEVICE_ID_LSI_PLASMA:
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 	case PCI_DEVICE_ID_LSI_INVADER:
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@@ -5789,7 +5801,7 @@ static int megasas_probe_one(struct pci_dev *pdev,
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 		if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
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 			(instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA))
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 			fusion->adapter_type = THUNDERBOLT_SERIES;
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-		else
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+		else if (!instance->is_ventura)
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 			fusion->adapter_type = INVADER_SERIES;
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 	}
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 	break;
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diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
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index 7ecd0b4..5ad8a07 100644
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--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
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+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
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@@ -189,15 +189,29 @@ inline void megasas_return_cmd_fusion(struct megasas_instance *instance,
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  */
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 static void
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 megasas_fire_cmd_fusion(struct megasas_instance *instance,
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-		union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc)
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+	union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc, bool is_32bit)
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 {
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+	struct megasas_register_set __iomem *regs = instance->reg_set;
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+	unsigned long flags;
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+
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+	if (is_32bit)
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+		writel(le32_to_cpu(req_desc->u.low),
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+			&(regs)->inbound_single_queue_port);
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+	else if (instance->is_ventura) {
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+		spin_lock_irqsave(&instance->hba_lock, flags);
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+		writel(le32_to_cpu(req_desc->u.low),
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+			&(regs)->inbound_low_queue_port);
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+		writel(le32_to_cpu(req_desc->u.high),
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+			&(regs)->inbound_high_queue_port);
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+		mmiowb();
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+		spin_unlock_irqrestore(&instance->hba_lock, flags);
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+	} else {
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 #if defined(writeq) && defined(CONFIG_64BIT)
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 	u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) |
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 			le32_to_cpu(req_desc->u.low));
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 	writeq(req_data, &instance->reg_set->inbound_low_queue_port);
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 #else
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-	unsigned long flags;
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 	spin_lock_irqsave(&instance->hba_lock, flags);
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 	writel(le32_to_cpu(req_desc->u.low),
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@@ -207,6 +221,7 @@ megasas_fire_cmd_fusion(struct megasas_instance *instance,
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 	mmiowb();
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 	spin_unlock_irqrestore(&instance->hba_lock, flags);
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 #endif
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+	}
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 }
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 /**
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@@ -850,7 +865,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
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 			break;
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 	}
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-	megasas_fire_cmd_fusion(instance, &req_desc);
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+	megasas_fire_cmd_fusion(instance, &req_desc, false);
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 	wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS);
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@@ -2224,7 +2239,7 @@ megasas_build_and_issue_cmd_fusion(struct megasas_instance *instance,
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 	 */
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 	atomic_inc(&instance->fw_outstanding);
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-	megasas_fire_cmd_fusion(instance, req_desc);
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+	megasas_fire_cmd_fusion(instance, req_desc, instance->is_ventura);
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 	return 0;
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 }
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@@ -2592,7 +2607,7 @@ megasas_issue_dcmd_fusion(struct megasas_instance *instance,
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 		return DCMD_NOT_FIRED;
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 	}
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-	megasas_fire_cmd_fusion(instance, req_desc);
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+	megasas_fire_cmd_fusion(instance, req_desc, instance->is_ventura);
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 	return DCMD_SUCCESS;
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 }
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@@ -2884,7 +2899,8 @@ void megasas_refire_mgmt_cmd(struct megasas_instance *instance)
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 				cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO)))
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 				&& !(cmd_mfi->flags & DRV_DCMD_SKIP_REFIRE);
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 		if (refire_cmd)
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-			megasas_fire_cmd_fusion(instance, req_desc);
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+			megasas_fire_cmd_fusion(instance, req_desc,
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+							instance->is_ventura);
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 		else
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 			megasas_return_cmd(instance, cmd_mfi);
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 	}
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@@ -3063,7 +3079,7 @@ megasas_issue_tm(struct megasas_instance *instance, u16 device_handle,
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 		mr_request->tmReqFlags.isTMForLD = 1;
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 	init_completion(&cmd_fusion->done);
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-	megasas_fire_cmd_fusion(instance, req_desc);
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+	megasas_fire_cmd_fusion(instance, req_desc, instance->is_ventura);
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 	timeleft = wait_for_completion_timeout(&cmd_fusion->done, 50 * HZ);
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-- 
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1.8.3.1
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