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Message-ID: <4B6A08C587958942AA3002690DD4F8C33A07FC48@cosmail02.lsi.com>
Date: Tue, 17 Feb 2009 09:21:59 -0800
From: "Yang, Bo" <Bo.Yang@....com>
To: "Yang, Bo" <Bo.Yang@....com>,
James Bottomley <James.Bottomley@...senPartnership.com>,
"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
"akpm@...l.org" <akpm@...l.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC: "Austria, Winston" <Winston.Austria@....com>
Subject: [PATCH 7/9] scsi: megaraid_sas - Resign the Application cmds to
0x73 (new SAS2) controller
Resign the Application cmds to new SAS2 controller
Signed-off-by Bo Yang<bo.yang@....com>
---
drivers/scsi/megaraid/megaraid_sas.c | 23 ++++++++++++++++++++---
drivers/scsi/megaraid/megaraid_sas.h | 1 +
2 files changed, 21 insertions(+), 3 deletions(-)
diff -rupN linux-2.6.28_orig/drivers/scsi/megaraid/megaraid_sas.c linux-2.6.28_new/drivers/scsi/megaraid/megaraid_sas.c
--- linux-2.6.28_orig/drivers/scsi/megaraid/megaraid_sas.c 2009-02-12 16:27:20.000000000 -0500
+++ linux-2.6.28_new/drivers/scsi/megaraid/megaraid_sas.c 2009-02-12 16:32:34.000000000 -0500
@@ -1204,7 +1204,14 @@ static void megasas_complete_cmd_dpc(uns
spin_lock_irqsave(instance->host->host_lock, flags);
instance->flag &= ~MEGASAS_FW_BUSY;
- instance->host->can_queue =
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ instance->host->can_queue =
+ instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
+ } else
+ instance->host->can_queue =
instance->max_fw_cmds - MEGASAS_INT_CMDS;
spin_unlock_irqrestore(instance->host->host_lock, flags);
@@ -2933,7 +2940,13 @@ static int megasas_io_attach(struct mega
*/
host->irq = instance->pdev->irq;
host->unique_id = instance->unique_id;
- host->can_queue = instance->max_fw_cmds - MEGASAS_INT_CMDS;
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ host->can_queue =
+ instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
+ } else
+ host->can_queue =
+ instance->max_fw_cmds - MEGASAS_INT_CMDS;
host->this_id = instance->init_id;
host->sg_tablesize = instance->max_num_sge;
host->max_sectors = instance->max_sectors_per_req;
@@ -3066,7 +3079,11 @@ megasas_probe_one(struct pci_dev *pdev,
spin_lock_init(&instance->completion_lock);
mutex_init(&instance->aen_mutex);
- sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
+ } else
+ sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
/*
* Initialize PCI related and misc parameters
diff -rupN linux-2.6.28_orig/drivers/scsi/megaraid/megaraid_sas.h linux-2.6.28_new/drivers/scsi/megaraid/megaraid_sas.h
--- linux-2.6.28_orig/drivers/scsi/megaraid/megaraid_sas.h 2009-02-12 16:27:21.000000000 -0500
+++ linux-2.6.28_new/drivers/scsi/megaraid/megaraid_sas.h 2009-02-12 15:24:58.000000000 -0500
@@ -674,6 +674,7 @@ struct megasas_ctrl_info {
* is shown below
*/
#define MEGASAS_INT_CMDS 32
+#define MEGASAS_SKINNY_INT_CMDS 5
/*
* FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
--
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