diff options
| author |   Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> | 2017-02-02 15:53:35 -0800 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2017-02-03 10:35:04 -0500 |
| commit | c799d519bf088c0c5deb481b0190990417ace1bc (patch) | |
| tree | 34c1b3871e82397cd6d8db10cc8fe6f26c61f9d5 /drivers/scsi/aacraid/commctrl.c | |
| parent | scsi: aacraid: Added ioctl to trigger IOP/IWBR reset (diff) | |
| download | linux-dev-c799d519bf088c0c5deb481b0190990417ace1bc.tar.xz linux-dev-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.c | 26 |
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; |