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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>
hifive-unleashed-5.1
Raghava Aditya Renukunta 2017-02-02 15:53:35 -08:00 committed by Martin K. Petersen
parent 09867a0e34
commit c799d519bf
2 changed files with 78 additions and 0 deletions
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52
drivers/scsi/aacraid/aacraid.h
View File

@ -2334,6 +2334,7 @@ struct revision
#define FSACTL_GET_CONTAINERS 2131
#define FSACTL_SEND_LARGE_FIB CTL_CODE(2138, METHOD_BUFFERED)
#define FSACTL_RESET_IOP CTL_CODE(2140, METHOD_BUFFERED)
#define FSACTL_GET_HBA_INFO CTL_CODE(2150, METHOD_BUFFERED)
/* flags defined for IOP & HW SOFT RESET */
#define HW_IOP_RESET 0x01
#define HW_SOFT_RESET 0x02
@ -2372,6 +2373,57 @@ struct aac_common
extern struct aac_common aac_config;
/*
* This is for management ioctl purpose only.
*/
struct aac_hba_info {
u8 driver_name[50];
u8 adapter_number;
u8 system_io_bus_number;
u8 device_number;
u32 function_number;
u32 vendor_id;
u32 device_id;
u32 sub_vendor_id;
u32 sub_system_id;
u32 mapped_base_address_size;
u32 base_physical_address_high_part;
u32 base_physical_address_low_part;
u32 max_command_size;
u32 max_fib_size;
u32 max_scatter_gather_from_os;
u32 max_scatter_gather_to_fw;
u32 max_outstanding_fibs;
u32 queue_start_threshold;
u32 queue_dump_threshold;
u32 max_io_size_queued;
u32 outstanding_io;
u32 firmware_build_number;
u32 bios_build_number;
u32 driver_build_number;
u32 serial_number_high_part;
u32 serial_number_low_part;
u32 supported_options;
u32 feature_bits;
u32 currentnumber_ports;
u8 new_comm_interface:1;
u8 new_commands_supported:1;
u8 disable_passthrough:1;
u8 expose_non_dasd:1;
u8 queue_allowed:1;
u8 bled_check_enabled:1;
u8 reserved1:1;
u8 reserted2:1;
u32 reserved3[10];
};
/*
* The following macro is used when sending and receiving FIBs. It is
* only used for debugging.

26
drivers/scsi/aacraid/commctrl.c
View File

@ -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;