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authorRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>2017-02-03 00:53:35 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2017-02-03 16:35:04 +0100
commitc799d519bf088c0c5deb481b0190990417ace1bc (patch)
tree34c1b3871e82397cd6d8db10cc8fe6f26c61f9d5 /drivers/scsi/aacraid/commctrl.c
parentscsi: aacraid: Added ioctl to trigger IOP/IWBR reset (diff)
downloadlinux-c799d519bf088c0c5deb481b0190990417ace1bc.tar.xz
linux-c799d519bf088c0c5deb481b0190990417ace1bc.zip
scsi: aacraid: Retrieve HBA host information ioctl
Added a new ioctl interface to retrieve the host device information. Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Signed-off-by: Dave Carroll <David.Carroll@microsemi.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid/commctrl.c')
-rw-r--r--drivers/scsi/aacraid/commctrl.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index d8fc6b8980ba..033a054d6c6d 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -1011,6 +1011,29 @@ static int aac_get_pci_info(struct aac_dev* dev, void __user *arg)
}
return 0;
}
+
+static int aac_get_hba_info(struct aac_dev *dev, void __user *arg)
+{
+ struct aac_hba_info hbainfo;
+
+ hbainfo.adapter_number = (u8) dev->id;
+ hbainfo.system_io_bus_number = dev->pdev->bus->number;
+ hbainfo.device_number = (dev->pdev->devfn >> 3);
+ hbainfo.function_number = (dev->pdev->devfn & 0x0007);
+
+ hbainfo.vendor_id = dev->pdev->vendor;
+ hbainfo.device_id = dev->pdev->device;
+ hbainfo.sub_vendor_id = dev->pdev->subsystem_vendor;
+ hbainfo.sub_system_id = dev->pdev->subsystem_device;
+
+ if (copy_to_user(arg, &hbainfo, sizeof(struct aac_hba_info))) {
+ dprintk((KERN_DEBUG "aacraid: Could not copy hba info\n"));
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
struct aac_reset_iop {
u8 reset_type;
};
@@ -1070,6 +1093,9 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg)
case FSACTL_GET_PCI_INFO:
status = aac_get_pci_info(dev,arg);
break;
+ case FSACTL_GET_HBA_INFO:
+ status = aac_get_hba_info(dev, arg);
+ break;
case FSACTL_RESET_IOP:
status = aac_send_reset_adapter(dev, arg);
break;