diff options
Diffstat (limited to 'drivers/scsi/gdth.c')
| -rw-r--r-- | drivers/scsi/gdth.c | 3881 |
1 files changed, 1702 insertions, 2179 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index af682301bea..0f1ae13ce7c 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -4,9 +4,9 @@ * Intel Corporation: Storage RAID Controllers * * * * gdth.c * - * Copyright (C) 1995-04 ICP vortex GmbH, Achim Leubner * + * Copyright (C) 1995-06 ICP vortex GmbH, Achim Leubner * * Copyright (C) 2002-04 Intel Corporation * - * Copyright (C) 2003-04 Adaptec Inc. * + * Copyright (C) 2003-06 Adaptec Inc. * * <achim_leubner@adaptec.com> * * * * Additions/Fixes: * @@ -27,275 +27,8 @@ * along with this kernel; if not, write to the Free Software * * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * - * Linux kernel 2.2.x, 2.4.x, 2.6.x supported * + * Linux kernel 2.6.x supported * * * - * $Log: gdth.c,v $ - * Revision 1.73 2004/03/31 13:33:03 achim - * Special command 0xfd implemented to detect 64-bit DMA support - * - * Revision 1.72 2004/03/17 08:56:04 achim - * 64-bit DMA only enabled if FW >= x.43 - * - * Revision 1.71 2004/03/05 15:51:29 achim - * Screen service: separate message buffer, bugfixes - * - * Revision 1.70 2004/02/27 12:19:07 achim - * Bugfix: Reset bit in config (0xfe) call removed - * - * Revision 1.69 2004/02/20 09:50:24 achim - * Compatibility changes for kernels < 2.4.20 - * Bugfix screen service command size - * pci_set_dma_mask() error handling added - * - * Revision 1.68 2004/02/19 15:46:54 achim - * 64-bit DMA bugfixes - * Drive size bugfix for drives > 1TB - * - * Revision 1.67 2004/01/14 13:11:57 achim - * Tool access over /proc no longer supported - * Bugfixes IOCTLs - * - * Revision 1.66 2003/12/19 15:04:06 achim - * Bugfixes support for drives > 2TB - * - * Revision 1.65 2003/12/15 11:21:56 achim - * 64-bit DMA support added - * Support for drives > 2 TB implemented - * Kernels 2.2.x, 2.4.x, 2.6.x supported - * - * Revision 1.64 2003/09/17 08:30:26 achim - * EISA/ISA controller scan disabled - * Command line switch probe_eisa_isa added - * - * Revision 1.63 2003/07/12 14:01:00 Daniele Bellucci <bellucda@tiscali.it> - * Minor cleanups in gdth_ioctl. - * - * Revision 1.62 2003/02/27 15:01:59 achim - * Dynamic DMA mapping implemented - * New (character device) IOCTL interface added - * Other controller related changes made - * - * Revision 1.61 2002/11/08 13:09:52 boji - * Added support for XSCALE based RAID Controllers - * Fixed SCREENSERVICE initialization in SMP cases - * Added checks for gdth_polling before GDTH_HA_LOCK - * - * Revision 1.60 2002/02/05 09:35:22 achim - * MODULE_LICENSE only if kernel >= 2.4.11 - * - * Revision 1.59 2002/01/30 09:46:33 achim - * Small changes - * - * Revision 1.58 2002/01/29 15:30:02 achim - * Set default value of shared_access to Y - * New status S_CACHE_RESERV for clustering added - * - * Revision 1.57 2001/08/21 11:16:35 achim - * Bugfix free_irq() - * - * Revision 1.56 2001/08/09 11:19:39 achim - * Scsi_Host_Template changes - * - * Revision 1.55 2001/08/09 10:11:28 achim - * Command HOST_UNFREEZE_IO before cache service init. - * - * Revision 1.54 2001/07/20 13:48:12 achim - * Expand: gdth_analyse_hdrive() removed - * - * Revision 1.53 2001/07/17 09:52:49 achim - * Small OEM related change - * - * Revision 1.52 2001/06/19 15:06:20 achim - * New host command GDT_UNFREEZE_IO added - * - * Revision 1.51 2001/05/22 06:42:37 achim - * PCI: Subdevice ID added - * - * Revision 1.50 2001/05/17 13:42:16 achim - * Support for Intel Storage RAID Controllers added - * - * Revision 1.50 2001/05/17 12:12:34 achim - * Support for Intel Storage RAID Controllers added - * - * Revision 1.49 2001/03/15 15:07:17 achim - * New __setup interface for boot command line options added - * - * Revision 1.48 2001/02/06 12:36:28 achim - * Bugfix Cluster protocol - * - * Revision 1.47 2001/01/10 14:42:06 achim - * New switch shared_access added - * - * Revision 1.46 2001/01/09 08:11:35 achim - * gdth_command() removed - * meaning of Scsi_Pointer members changed - * - * Revision 1.45 2000/11/16 12:02:24 achim - * Changes for kernel 2.4 - * - * Revision 1.44 2000/10/11 08:44:10 achim - * Clustering changes: New flag media_changed added - * - * Revision 1.43 2000/09/20 12:59:01 achim - * DPMEM remap functions for all PCI controller types implemented - * Small changes for ia64 platform - * - * Revision 1.42 2000/07/20 09:04:50 achim - * Small changes for kernel 2.4 - * - * Revision 1.41 2000/07/04 14:11:11 achim - * gdth_analyse_hdrive() added to rescan drives after online expansion - * - * Revision 1.40 2000/06/27 11:24:16 achim - * Changes Clustering, Screenservice - * - * Revision 1.39 2000/06/15 13:09:04 achim - * Changes for gdth_do_cmd() - * - * Revision 1.38 2000/06/15 12:08:43 achim - * Bugfix gdth_sync_event(), service SCREENSERVICE - * Data direction for command 0xc2 changed to DOU - * - * Revision 1.37 2000/05/25 13:50:10 achim - * New driver parameter virt_ctr added - * - * Revision 1.36 2000/05/04 08:50:46 achim - * Event buffer now in gdth_ha_str - * - * Revision 1.35 2000/03/03 10:44:08 achim - * New event_string only valid for the RP controller family - * - * Revision 1.34 2000/03/02 14:55:29 achim - * New mechanism for async. event handling implemented - * - * Revision 1.33 2000/02/21 15:37:37 achim - * Bugfix Alpha platform + DPMEM above 4GB - * - * Revision 1.32 2000/02/14 16:17:37 achim - * Bugfix sense_buffer[] + raw devices - * - * Revision 1.31 2000/02/10 10:29:00 achim - * Delete sense_buffer[0], if command OK - * - * Revision 1.30 1999/11/02 13:42:39 achim - * ARRAY_DRV_LIST2 implemented - * Now 255 log. and 100 host drives supported - * - * Revision 1.29 1999/10/05 13:28:47 achim - * GDT_CLUST_RESET added - * - * Revision 1.28 1999/08/12 13:44:54 achim - * MOUNTALL removed - * Cluster drives -> removeable drives - * - * Revision 1.27 1999/06/22 07:22:38 achim - * Small changes - * - * Revision 1.26 1999/06/10 16:09:12 achim - * Cluster Host Drive support: Bugfixes - * - * Revision 1.25 1999/06/01 16:03:56 achim - * gdth_init_pci(): Manipulate config. space to start RP controller - * - * Revision 1.24 1999/05/26 11:53:06 achim - * Cluster Host Drive support added - * - * Revision 1.23 1999/03/26 09:12:31 achim - * Default value for hdr_channel set to 0 - * - * Revision 1.22 1999/03/22 16:27:16 achim - * Bugfix: gdth_store_event() must not be locked with GDTH_LOCK_HA() - * - * Revision 1.21 1999/03/16 13:40:34 achim - * Problems with reserved drives solved - * gdth_eh_bus_reset() implemented - * - * Revision 1.20 1999/03/10 09:08:13 achim - * Bugfix: Corrections in gdth_direction_tab[] made - * Bugfix: Increase command timeout (gdth_update_timeout()) NOT in gdth_putq() - * - * Revision 1.19 1999/03/05 14:38:16 achim - * Bugfix: Heads/Sectors mapping for reserved devices possibly wrong - * -> gdth_eval_mapping() implemented, changes in gdth_bios_param() - * INIT_RETRIES set to 100s to avoid DEINIT-Timeout for controllers - * with BIOS disabled and memory test set to Intensive - * Enhanced /proc support - * - * Revision 1.18 1999/02/24 09:54:33 achim - * Command line parameter hdr_channel implemented - * Bugfix for EISA controllers + Linux 2.2.x - * - * Revision 1.17 1998/12/17 15:58:11 achim - * Command line parameters implemented - * Changes for Alpha platforms - * PCI controller scan changed - * SMP support improved (spin_lock_irqsave(),...) - * New async. events, new scan/reserve commands included - * - * Revision 1.16 1998/09/28 16:08:46 achim - * GDT_PCIMPR: DPMEM remapping, if required - * mdelay() added - * - * Revision 1.15 1998/06/03 14:54:06 achim - * gdth_delay(), gdth_flush() implemented - * Bugfix: gdth_release() changed - * - * Revision 1.14 1998/05/22 10:01:17 achim - * mj: pcibios_strerror() removed - * Improved SMP support (if version >= 2.1.95) - * gdth_halt(): halt_called flag added (if version < 2.1) - * - * Revision 1.13 1998/04/16 09:14:57 achim - * Reserve drives (for raw service) implemented - * New error handling code enabled - * Get controller name from board_info() IOCTL - * Final round of PCI device driver patches by Martin Mares - * - * Revision 1.12 1998/03/03 09:32:37 achim - * Fibre channel controller support added - * - * Revision 1.11 1998/01/27 16:19:14 achim - * SA_SHIRQ added - * add_timer()/del_timer() instead of GDTH_TIMER - * scsi_add_timer()/scsi_del_timer() instead of SCSI_TIMER - * New error handling included - * - * Revision 1.10 1997/10/31 12:29:57 achim - * Read heads/sectors from host drive - * - * Revision 1.9 1997/09/04 10:07:25 achim - * IO-mapping with virt_to_bus(), gdth_readb(), gdth_writeb(), ... - * register_reboot_notifier() to get a notify on shutown used - * - * Revision 1.8 1997/04/02 12:14:30 achim - * Version 1.00 (see gdth.h), tested with kernel 2.0.29 - * - * Revision 1.7 1997/03/12 13:33:37 achim - * gdth_reset() changed, new async. events - * - * Revision 1.6 1997/03/04 14:01:11 achim - * Shutdown routine gdth_halt() implemented - * - * Revision 1.5 1997/02/21 09:08:36 achim - * New controller included (RP, RP1, RP2 series) - * IOCTL interface implemented - * - * Revision 1.4 1996/07/05 12:48:55 achim - * Function gdth_bios_param() implemented - * New constant GDTH_MAXC_P_L inserted - * GDT_WRITE_THR, GDT_EXT_INFO implemented - * Function gdth_reset() changed - * - * Revision 1.3 1996/05/10 09:04:41 achim - * Small changes for Linux 1.2.13 - * - * Revision 1.2 1996/05/09 12:45:27 achim - * Loadable module support implemented - * /proc support corrections made - * - * Revision 1.1 1996/04/11 07:35:57 achim - * Initial revision - * ************************************************************************/ /* All GDT Disk Array Controllers are fully supported by this driver. @@ -323,12 +56,10 @@ * max_ids:x x - target ID count per channel (1..MAXID) * rescan:Y rescan all channels/IDs * rescan:N use all devices found until now - * virt_ctr:Y map every channel to a virtual controller - * virt_ctr:N use multi channel support * hdr_channel:x x - number of virtual bus for host drives * shared_access:Y disable driver reserve/release protocol to * access a shared resource from several nodes, - * appropiate controller firmware required + * appropriate controller firmware required * shared_access:N enable driver reserve/release protocol * probe_eisa_isa:Y scan for EISA/ISA controllers * probe_eisa_isa:N do not scan for EISA/ISA controllers @@ -336,7 +67,7 @@ * force_dma32:N use 64 bit DMA mode, if supported * * The default values are: "gdth=disable:N,reserve_mode:1,reverse_scan:N, - * max_ids:127,rescan:N,virt_ctr:N,hdr_channel:0, + * max_ids:127,rescan:N,hdr_channel:0, * shared_access:Y,probe_eisa_isa:N,force_dma32:N". * Here is another example: "gdth=reserve_list:0,1,2,0,0,1,3,0,rescan:Y". * @@ -347,22 +78,22 @@ * '1' in place of 'Y' and '0' in place of 'N'. * * Default: "modprobe gdth disable=0 reserve_mode=1 reverse_scan=0 - * max_ids=127 rescan=0 virt_ctr=0 hdr_channel=0 shared_access=0 + * max_ids=127 rescan=0 hdr_channel=0 shared_access=0 * probe_eisa_isa=0 force_dma32=0" * The other example: "modprobe gdth reserve_list=0,1,2,0,0,1,3,0 rescan=1". */ /* The meaning of the Scsi_Pointer members in this driver is as follows: * ptr: Chaining - * this_residual: Command priority - * buffer: phys. DMA sense buffer - * dma_handle: phys. DMA buffer (kernel >= 2.4.0) - * buffers_residual: Timeout value - * Status: Command status (gdth_do_cmd()), DMA mem. mappings - * Message: Additional info (gdth_do_cmd()), DMA direction - * have_data_in: Flag for gdth_wait_completion() - * sent_command: Opcode special command - * phase: Service/parameter/return code special command + * this_residual: unused + * buffer: unused + * dma_handle: unused + * buffers_residual: unused + * Status: unused + * Message: unused + * have_data_in: unused + * sent_command: unused + * phase: unused */ @@ -382,90 +113,84 @@ #include <linux/ctype.h> #include <linux/ioport.h> #include <linux/delay.h> -#include <linux/sched.h> #include <linux/interrupt.h> #include <linux/in.h> #include <linux/proc_fs.h> #include <linux/time.h> #include <linux/timer.h> +#include <linux/dma-mapping.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/slab.h> + #ifdef GDTH_RTC #include <linux/mc146818rtc.h> #endif #include <linux/reboot.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/uaccess.h> #include <linux/spinlock.h> -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) #include <linux/blkdev.h> -#else -#include <linux/blk.h> -#include "sd.h" -#endif +#include <linux/scatterlist.h> #include "scsi.h" #include <scsi/scsi_host.h> #include "gdth.h" -#include "gdth_kcompat.h" +static DEFINE_MUTEX(gdth_mutex); static void gdth_delay(int milliseconds); -static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs); -static irqreturn_t gdth_interrupt(int irq, void *dev_id, struct pt_regs *regs); -static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp); -static int gdth_async_event(int hanum); +static void gdth_eval_mapping(u32 size, u32 *cyls, int *heads, int *secs); +static irqreturn_t gdth_interrupt(int irq, void *dev_id); +static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, + int gdth_from_wait, int* pIndex); +static int gdth_sync_event(gdth_ha_str *ha, int service, u8 index, + Scsi_Cmnd *scp); +static int gdth_async_event(gdth_ha_str *ha); static void gdth_log_event(gdth_evt_data *dvr, char *buffer); -static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority); -static void gdth_next(int hanum); -static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b); -static int gdth_special_cmd(int hanum,Scsi_Cmnd *scp); -static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, ushort source, - ushort idx, gdth_evt_data *evt); +static void gdth_putq(gdth_ha_str *ha, Scsi_Cmnd *scp, u8 priority); +static void gdth_next(gdth_ha_str *ha); +static int gdth_fill_raw_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, u8 b); +static int gdth_special_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp); +static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, u16 source, + u16 idx, gdth_evt_data *evt); static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr); -static void gdth_readapp_event(gdth_ha_str *ha, unchar application, +static void gdth_readapp_event(gdth_ha_str *ha, u8 application, gdth_evt_str *estr); static void gdth_clear_events(void); -static void gdth_copy_internal_data(int hanum,Scsi_Cmnd *scp, - char *buffer,ushort count); -static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp); -static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive); - -static int gdth_search_eisa(ushort eisa_adr); -static int gdth_search_isa(ulong32 bios_adr); -static int gdth_search_pci(gdth_pci_str *pcistr); -static void gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt, - ushort vendor, ushort dev); -static void gdth_sort_pci(gdth_pci_str *pcistr, int cnt); -static int gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha); -static int gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha); -static int gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha); - -static void gdth_enable_int(int hanum); -static int gdth_get_status(unchar *pIStatus,int irq); -static int gdth_test_busy(int hanum); -static int gdth_get_cmd_index(int hanum); -static void gdth_release_event(int hanum); -static int gdth_wait(int hanum,int index,ulong32 time); -static int gdth_internal_cmd(int hanum,unchar service,ushort opcode,ulong32 p1, - ulong64 p2,ulong64 p3); -static int gdth_search_drives(int hanum); -static int gdth_analyse_hdrive(int hanum, ushort hdrive); - -static const char *gdth_ctr_name(int hanum); +static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp, + char *buffer, u16 count); +static int gdth_internal_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp); +static int gdth_fill_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, u16 hdrive); + +static void gdth_enable_int(gdth_ha_str *ha); +static int gdth_test_busy(gdth_ha_str *ha); +static int gdth_get_cmd_index(gdth_ha_str *ha); +static void gdth_release_event(gdth_ha_str *ha); +static int gdth_wait(gdth_ha_str *ha, int index,u32 time); +static int gdth_internal_cmd(gdth_ha_str *ha, u8 service, u16 opcode, + u32 p1, u64 p2,u64 p3); +static int gdth_search_drives(gdth_ha_str *ha); +static int gdth_analyse_hdrive(gdth_ha_str *ha, u16 hdrive); + +static const char *gdth_ctr_name(gdth_ha_str *ha); static int gdth_open(struct inode *inode, struct file *filep); static int gdth_close(struct inode *inode, struct file *filep); -static int gdth_ioctl(struct inode *inode, struct file *filep, - unsigned int cmd, unsigned long arg); +static long gdth_unlocked_ioctl(struct file *filep, unsigned int cmd, + unsigned long arg); -static void gdth_flush(int hanum); -static int gdth_halt(struct notifier_block *nb, ulong event, void *buf); +static void gdth_flush(gdth_ha_str *ha); +static int gdth_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); +static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp, + struct gdth_cmndinfo *cmndinfo); +static void gdth_scsi_done(struct scsi_cmnd *scp); #ifdef DEBUG_GDTH -static unchar DebugState = DEBUG_GDTH; +static u8 DebugState = DEBUG_GDTH; #ifdef __SERIAL__ #define MAX_SERBUF 160 @@ -546,42 +271,30 @@ static int ser_printk(const char *fmt, ...) #endif #ifdef GDTH_STATISTICS -static ulong32 max_rq=0, max_index=0, max_sg=0; +static u32 max_rq=0, max_index=0, max_sg=0; #ifdef INT_COAL -static ulong32 max_int_coal=0; +static u32 max_int_coal=0; #endif -static ulong32 act_ints=0, act_ios=0, act_stats=0, act_rq=0; +static u32 act_ints=0, act_ios=0, act_stats=0, act_rq=0; static struct timer_list gdth_timer; #endif -#define PTR2USHORT(a) (ushort)(ulong)(a) -#define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b) -#define INDEX_OK(i,t) ((i)<sizeof(t)/sizeof((t)[0])) - -#define NUMDATA(a) ( (gdth_num_str *)((a)->hostdata)) -#define HADATA(a) (&((gdth_ext_str *)((a)->hostdata))->haext) -#define CMDDATA(a) (&((gdth_ext_str *)((a)->hostdata))->cmdext) +#define PTR2USHORT(a) (u16)(unsigned long)(a) +#define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b) +#define INDEX_OK(i,t) ((i)<ARRAY_SIZE(t)) #define BUS_L2P(a,b) ((b)>(a)->virt_bus ? (b-1):(b)) -#define gdth_readb(addr) readb(addr) -#define gdth_readw(addr) readw(addr) -#define gdth_readl(addr) readl(addr) -#define gdth_writeb(b,addr) writeb((b),(addr)) -#define gdth_writew(b,addr) writew((b),(addr)) -#define gdth_writel(b,addr) writel((b),(addr)) - -static unchar gdth_drq_tab[4] = {5,6,7,7}; /* DRQ table */ -static unchar gdth_irq_tab[6] = {0,10,11,12,14,0}; /* IRQ table */ -static unchar gdth_polling; /* polling if TRUE */ -static unchar gdth_from_wait = FALSE; /* gdth_wait() */ -static int wait_index,wait_hanum; /* gdth_wait() */ +#ifdef CONFIG_ISA +static u8 gdth_drq_tab[4] = {5,6,7,7}; /* DRQ table */ +#endif +#if defined(CONFIG_EISA) || defined(CONFIG_ISA) +static u8 gdth_irq_tab[6] = {0,10,11,12,14,0}; /* IRQ table */ +#endif +static u8 gdth_polling; /* polling if TRUE */ static int gdth_ctr_count = 0; /* controller count */ -static int gdth_ctr_vcount = 0; /* virt. ctr. count */ -static int gdth_ctr_released = 0; /* gdth_release() */ -static struct Scsi_Host *gdth_ctr_tab[MAXHA]; /* controller table */ -static struct Scsi_Host *gdth_ctr_vtab[MAXHA*MAXBUS]; /* virt. ctr. table */ -static unchar gdth_write_through = FALSE; /* write through */ +static LIST_HEAD(gdth_instances); /* controller list */ +static u8 gdth_write_through = FALSE; /* write through */ static gdth_evt_str ebuffer[MAX_EVENTS]; /* event buffer */ static int elastidx; static int eoldidx; @@ -591,7 +304,7 @@ static int major; #define DOU 2 /* OUT data direction */ #define DNO DIN /* no data transfer */ #define DUN DIN /* unknown data direction */ -static unchar gdth_direction_tab[0x100] = { +static u8 gdth_direction_tab[0x100] = { DNO,DNO,DIN,DIN,DOU,DIN,DIN,DOU,DIN,DUN,DOU,DOU,DUN,DUN,DUN,DIN, DNO,DIN,DIN,DOU,DIN,DOU,DNO,DNO,DOU,DNO,DIN,DNO,DIN,DOU,DNO,DUN, DIN,DUN,DIN,DUN,DOU,DIN,DUN,DUN,DIN,DIN,DOU,DNO,DUN,DIN,DOU,DOU, @@ -632,8 +345,6 @@ static int hdr_channel = 0; static int max_ids = MAXID; /* rescan all IDs */ static int rescan = 0; -/* map channels to virtual controllers */ -static int virt_ctr = 0; /* shared access */ static int shared_access = 1; /* enable support for EISA and ISA controllers */ @@ -650,7 +361,6 @@ module_param(reverse_scan, int, 0); module_param(hdr_channel, int, 0); module_param(max_ids, int, 0); module_param(rescan, int, 0); -module_param(virt_ctr, int, 0); module_param(shared_access, int, 0); module_param(probe_eisa_isa, int, 0); module_param(force_dma32, int, 0); @@ -658,20 +368,54 @@ MODULE_AUTHOR("Achim Leubner"); MODULE_LICENSE("GPL"); /* ioctl interface */ -static struct file_operations gdth_fops = { - .ioctl = gdth_ioctl, +static const struct file_operations gdth_fops = { + .unlocked_ioctl = gdth_unlocked_ioctl, .open = gdth_open, .release = gdth_close, + .llseek = noop_llseek, }; #include "gdth_proc.h" #include "gdth_proc.c" -/* notifier block to get a notify on system shutdown/halt/reboot */ -static struct notifier_block gdth_notifier = { - gdth_halt, NULL, 0 -}; +static gdth_ha_str *gdth_find_ha(int hanum) +{ + gdth_ha_str *ha; + + list_for_each_entry(ha, &gdth_instances, list) + if (hanum == ha->hanum) + return ha; + return NULL; +} + +static struct gdth_cmndinfo *gdth_get_cmndinfo(gdth_ha_str *ha) +{ + struct gdth_cmndinfo *priv = NULL; + unsigned long flags; + int i; + + spin_lock_irqsave(&ha->smp_lock, flags); + + for (i=0; i<GDTH_MAXCMDS; ++i) { + if (ha->cmndinfo[i].index == 0) { + priv = &ha->cmndinfo[i]; + memset(priv, 0, sizeof(*priv)); + priv->index = i+1; + break; + } + } + + spin_unlock_irqrestore(&ha->smp_lock, flags); + + return priv; +} + +static void gdth_put_cmndinfo(struct gdth_cmndinfo *priv) +{ + BUG_ON(!priv); + priv->index = 0; +} static void gdth_delay(int milliseconds) { @@ -682,7 +426,76 @@ static void gdth_delay(int milliseconds) } } -static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs) +static void gdth_scsi_done(struct scsi_cmnd *scp) +{ + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); + int internal_command = cmndinfo->internal_command; + + TRACE2(("gdth_scsi_done()\n")); + + gdth_put_cmndinfo(cmndinfo); + scp->host_scribble = NULL; + + if (internal_command) + complete((struct completion *)scp->request); + else + scp->scsi_done(scp); +} + +int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, + int timeout, u32 *info) +{ + gdth_ha_str *ha = shost_priv(sdev->host); + Scsi_Cmnd *scp; + struct gdth_cmndinfo cmndinfo; + DECLARE_COMPLETION_ONSTACK(wait); + int rval; + + scp = kzalloc(sizeof(*scp), GFP_KERNEL); + if (!scp) + return -ENOMEM; + + scp->sense_buffer = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); + if (!scp->sense_buffer) { + kfree(scp); + return -ENOMEM; + } + + scp->device = sdev; + memset(&cmndinfo, 0, sizeof(cmndinfo)); + + /* use request field to save the ptr. to completion struct. */ + scp->request = (struct request *)&wait; + scp->cmd_len = 12; + scp->cmnd = cmnd; + cmndinfo.priority = IOCTL_PRI; + cmndinfo.internal_cmd_str = gdtcmd; + cmndinfo.internal_command = 1; + + TRACE(("__gdth_execute() cmd 0x%x\n", scp->cmnd[0])); + __gdth_queuecommand(ha, scp, &cmndinfo); + + wait_for_completion(&wait); + + rval = cmndinfo.status; + if (info) + *info = cmndinfo.info; + kfree(scp->sense_buffer); + kfree(scp); + return rval; +} + +int gdth_execute(struct Scsi_Host *shost, gdth_cmd_str *gdtcmd, char *cmnd, + int timeout, u32 *info) +{ + struct scsi_device *sdev = scsi_get_host_dev(shost); + int rval = __gdth_execute(sdev, gdtcmd, cmnd, timeout, info); + + scsi_free_host_dev(sdev); + return rval; +} + +static void gdth_eval_mapping(u32 size, u32 *cyls, int *heads, int *secs) { *cyls = size /HEADS/SECS; if (*cyls <= MAXCYLS) { @@ -702,10 +515,10 @@ static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs } /* controller search and initialization functions */ - -static int __init gdth_search_eisa(ushort eisa_adr) +#ifdef CONFIG_EISA +static int __init gdth_search_eisa(u16 eisa_adr) { - ulong32 id; + u32 id; TRACE(("gdth_search_eisa() adr. %x\n",eisa_adr)); id = inl(eisa_adr+ID0REG); @@ -719,149 +532,136 @@ static int __init gdth_search_eisa(ushort eisa_adr) return 0; } +#endif /* CONFIG_EISA */ - -static int __init gdth_search_isa(ulong32 bios_adr) +#ifdef CONFIG_ISA +static int __init gdth_search_isa(u32 bios_adr) { void __iomem *addr; - ulong32 id; + u32 id; TRACE(("gdth_search_isa() bios adr. %x\n",bios_adr)); - if ((addr = ioremap(bios_adr+BIOS_ID_OFFS, sizeof(ulong32))) != NULL) { - id = gdth_readl(addr); + if ((addr = ioremap(bios_adr+BIOS_ID_OFFS, sizeof(u32))) != NULL) { + id = readl(addr); iounmap(addr); if (id == GDT2_ID) /* GDT2000 */ return 1; } return 0; } +#endif /* CONFIG_ISA */ +#ifdef CONFIG_PCI -static int __init gdth_search_pci(gdth_pci_str *pcistr) +static bool gdth_search_vortex(u16 device) { - ushort device, cnt; - - TRACE(("gdth_search_pci()\n")); - - cnt = 0; - for (device = 0; device <= PCI_DEVICE_ID_VORTEX_GDT6555; ++device) - gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, device); - for (device = PCI_DEVICE_ID_VORTEX_GDT6x17RP; - device <= PCI_DEVICE_ID_VORTEX_GDTMAXRP; ++device) - gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, device); - gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, - PCI_DEVICE_ID_VORTEX_GDTNEWRX); - gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_VORTEX, - PCI_DEVICE_ID_VORTEX_GDTNEWRX2); - gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_SRC); - gdth_search_dev(pcistr, &cnt, PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_SRC_XSCALE); - return cnt; + if (device <= PCI_DEVICE_ID_VORTEX_GDT6555) + return true; + if (device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP && + device <= PCI_DEVICE_ID_VORTEX_GDTMAXRP) + return true; + if (device == PCI_DEVICE_ID_VORTEX_GDTNEWRX || + device == PCI_DEVICE_ID_VORTEX_GDTNEWRX2) + return true; + return false; } +static int gdth_pci_probe_one(gdth_pci_str *pcistr, gdth_ha_str **ha_out); +static int gdth_pci_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent); +static void gdth_pci_remove_one(struct pci_dev *pdev); +static void gdth_remove_one(gdth_ha_str *ha); + /* Vortex only makes RAID controllers. * We do not really want to specify all 550 ids here, so wildcard match. */ -static struct pci_device_id gdthtable[] __attribute_used__ = { - {PCI_VENDOR_ID_VORTEX,PCI_ANY_ID,PCI_ANY_ID, PCI_ANY_ID}, - {PCI_VENDOR_ID_INTEL,PCI_DEVICE_ID_INTEL_SRC,PCI_ANY_ID,PCI_ANY_ID}, - {PCI_VENDOR_ID_INTEL,PCI_DEVICE_ID_INTEL_SRC_XSCALE,PCI_ANY_ID,PCI_ANY_ID}, - {0} +static const struct pci_device_id gdthtable[] = { + { PCI_VDEVICE(VORTEX, PCI_ANY_ID) }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC) }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC_XSCALE) }, + { } /* terminate list */ }; -MODULE_DEVICE_TABLE(pci,gdthtable); +MODULE_DEVICE_TABLE(pci, gdthtable); -static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt, - ushort vendor, ushort device) +static struct pci_driver gdth_pci_driver = { + .name = "gdth", + .id_table = gdthtable, + .probe = gdth_pci_init_one, + .remove = gdth_pci_remove_one, +}; + +static void gdth_pci_remove_one(struct pci_dev *pdev) { - ulong base0, base1, base2; - struct pci_dev *pdev; + gdth_ha_str *ha = pci_get_drvdata(pdev); + + list_del(&ha->list); + gdth_remove_one(ha); + + pci_disable_device(pdev); +} + +static int gdth_pci_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + u16 vendor = pdev->vendor; + u16 device = pdev->device; + unsigned long base0, base1, base2; + int rc; + gdth_pci_str gdth_pcistr; + gdth_ha_str *ha = NULL; - TRACE(("gdth_search_dev() cnt %d vendor %x device %x\n", - *cnt, vendor, device)); + TRACE(("gdth_search_dev() cnt %d vendor %x device %x\n", + gdth_ctr_count, vendor, device)); + + memset(&gdth_pcistr, 0, sizeof(gdth_pcistr)); + + if (vendor == PCI_VENDOR_ID_VORTEX && !gdth_search_vortex(device)) + return -ENODEV; + + rc = pci_enable_device(pdev); + if (rc) + return rc; + + if (gdth_ctr_count >= MAXHA) + return -EBUSY; - pdev = NULL; - while ((pdev = pci_find_device(vendor, device, pdev)) - != NULL) { - if (pci_enable_device(pdev)) - continue; - if (*cnt >= MAXHA) - return; /* GDT PCI controller found, resources are already in pdev */ - pcistr[*cnt].pdev = pdev; - pcistr[*cnt].vendor_id = vendor; - pcistr[*cnt].device_id = device; - pcistr[*cnt].subdevice_id = pdev->subsystem_device; - pcistr[*cnt].bus = pdev->bus->number; - pcistr[*cnt].device_fn = pdev->devfn; - pcistr[*cnt].irq = pdev->irq; + gdth_pcistr.pdev = pdev; base0 = pci_resource_flags(pdev, 0); base1 = pci_resource_flags(pdev, 1); base2 = pci_resource_flags(pdev, 2); if (device <= PCI_DEVICE_ID_VORTEX_GDT6000B || /* GDT6000/B */ device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP) { /* MPR */ if (!(base0 & IORESOURCE_MEM)) - continue; - pcistr[*cnt].dpmem = pci_resource_start(pdev, 0); + return -ENODEV; + gdth_pcistr.dpmem = pci_resource_start(pdev, 0); } else { /* GDT6110, GDT6120, .. */ if (!(base0 & IORESOURCE_MEM) || !(base2 & IORESOURCE_MEM) || !(base1 & IORESOURCE_IO)) - continue; - pcistr[*cnt].dpmem = pci_resource_start(pdev, 2); - pcistr[*cnt].io_mm = pci_resource_start(pdev, 0); - pcistr[*cnt].io = pci_resource_start(pdev, 1); + return -ENODEV; + gdth_pcistr.dpmem = pci_resource_start(pdev, 2); + gdth_pcistr.io = pci_resource_start(pdev, 1); } TRACE2(("Controller found at %d/%d, irq %d, dpmem 0x%lx\n", - pcistr[*cnt].bus, PCI_SLOT(pcistr[*cnt].device_fn), - pcistr[*cnt].irq, pcistr[*cnt].dpmem)); - (*cnt)++; - } -} - + gdth_pcistr.pdev->bus->number, + PCI_SLOT(gdth_pcistr.pdev->devfn), + gdth_pcistr.irq, + gdth_pcistr.dpmem)); -static void __init gdth_sort_pci(gdth_pci_str *pcistr, int cnt) -{ - gdth_pci_str temp; - int i, changed; - - TRACE(("gdth_sort_pci() cnt %d\n",cnt)); - if (cnt == 0) - return; + rc = gdth_pci_probe_one(&gdth_pcistr, &ha); + if (rc) + return rc; - do { - changed = FALSE; - for (i = 0; i < cnt-1; ++i) { - if (!reverse_scan) { - if ((pcistr[i].bus > pcistr[i+1].bus) || - (pcistr[i].bus == pcistr[i+1].bus && - PCI_SLOT(pcistr[i].device_fn) > - PCI_SLOT(pcistr[i+1].device_fn))) { - temp = pcistr[i]; - pcistr[i] = pcistr[i+1]; - pcistr[i+1] = temp; - changed = TRUE; - } - } else { - if ((pcistr[i].bus < pcistr[i+1].bus) || - (pcistr[i].bus == pcistr[i+1].bus && - PCI_SLOT(pcistr[i].device_fn) < - PCI_SLOT(pcistr[i+1].device_fn))) { - temp = pcistr[i]; - pcistr[i] = pcistr[i+1]; - pcistr[i+1] = temp; - changed = TRUE; - } - } - } - } while (changed); + return 0; } +#endif /* CONFIG_PCI */ - -static int __init gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha) +#ifdef CONFIG_EISA +static int __init gdth_init_eisa(u16 eisa_adr,gdth_ha_str *ha) { - ulong32 retries,id; - unchar prot_ver,eisacf,i,irq_found; + u32 retries,id; + u8 prot_ver,eisacf,i,irq_found; TRACE(("gdth_init_eisa() adr. %x\n",eisa_adr)); @@ -888,7 +688,7 @@ static int __init gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha) return 0; } ha->bmic = eisa_adr; - ha->brd_phys = (ulong32)eisa_adr >> 12; + ha->brd_phys = (u32)eisa_adr >> 12; outl(0,eisa_adr+MAILBOXREG); outl(0,eisa_adr+MAILBOXREG+4); @@ -949,14 +749,15 @@ static int __init gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha) ha->dma64_support = 0; return 1; } +#endif /* CONFIG_EISA */ - -static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) +#ifdef CONFIG_ISA +static int __init gdth_init_isa(u32 bios_adr,gdth_ha_str *ha) { register gdt2_dpram_str __iomem *dp2_ptr; int i; - unchar irq_drq,prot_ver; - ulong32 retries; + u8 irq_drq,prot_ver; + u32 retries; TRACE(("gdth_init_isa() bios adr. %x\n",bios_adr)); @@ -966,22 +767,22 @@ static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) return 0; } dp2_ptr = ha->brd; - gdth_writeb(1, &dp2_ptr->io.memlock); /* switch off write protection */ + writeb(1, &dp2_ptr->io.memlock); /* switch off write protection */ /* reset interface area */ memset_io(&dp2_ptr->u, 0, sizeof(dp2_ptr->u)); - if (gdth_readl(&dp2_ptr->u) != 0) { + if (readl(&dp2_ptr->u) != 0) { printk("GDT-ISA: Initialization error (DPMEM write error)\n"); iounmap(ha->brd); return 0; } /* disable board interrupts, read DRQ and IRQ */ - gdth_writeb(0xff, &dp2_ptr->io.irqdel); - gdth_writeb(0x00, &dp2_ptr->io.irqen); - gdth_writeb(0x00, &dp2_ptr->u.ic.S_Status); - gdth_writeb(0x00, &dp2_ptr->u.ic.Cmd_Index); + writeb(0xff, &dp2_ptr->io.irqdel); + writeb(0x00, &dp2_ptr->io.irqen); + writeb(0x00, &dp2_ptr->u.ic.S_Status); + writeb(0x00, &dp2_ptr->u.ic.Cmd_Index); - irq_drq = gdth_readb(&dp2_ptr->io.rq); + irq_drq = readb(&dp2_ptr->io.rq); for (i=0; i<3; ++i) { if ((irq_drq & 1)==0) break; @@ -989,7 +790,7 @@ static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) } ha->drq = gdth_drq_tab[i]; - irq_drq = gdth_readb(&dp2_ptr->io.rq) >> 3; + irq_drq = readb(&dp2_ptr->io.rq) >> 3; for (i=1; i<5; ++i) { if ((irq_drq & 1)==0) break; @@ -998,12 +799,12 @@ static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) ha->irq = gdth_irq_tab[i]; /* deinitialize services */ - gdth_writel(bios_adr, &dp2_ptr->u.ic.S_Info[0]); - gdth_writeb(0xff, &dp2_ptr->u.ic.S_Cmd_Indx); - gdth_writeb(0, &dp2_ptr->io.event); + writel(bios_adr, &dp2_ptr->u.ic.S_Info[0]); + writeb(0xff, &dp2_ptr->u.ic.S_Cmd_Indx); + writeb(0, &dp2_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp2_ptr->u.ic.S_Status) != 0xff) { + while (readb(&dp2_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-ISA: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); @@ -1011,9 +812,9 @@ static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) } gdth_delay(1); } - prot_ver = (unchar)gdth_readl(&dp2_ptr->u.ic.S_Info[0]); - gdth_writeb(0, &dp2_ptr->u.ic.Status); - gdth_writeb(0xff, &dp2_ptr->io.irqdel); + prot_ver = (u8)readl(&dp2_ptr->u.ic.S_Info[0]); + writeb(0, &dp2_ptr->u.ic.Status); + writeb(0xff, &dp2_ptr->io.irqdel); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-ISA: Illegal protocol version\n"); iounmap(ha->brd); @@ -1027,15 +828,15 @@ static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) ha->brd_phys = bios_adr >> 4; /* special request to controller BIOS */ - gdth_writel(0x00, &dp2_ptr->u.ic.S_Info[0]); - gdth_writel(0x00, &dp2_ptr->u.ic.S_Info[1]); - gdth_writel(0x01, &dp2_ptr->u.ic.S_Info[2]); - gdth_writel(0x00, &dp2_ptr->u.ic.S_Info[3]); - gdth_writeb(0xfe, &dp2_ptr->u.ic.S_Cmd_Indx); - gdth_writeb(0, &dp2_ptr->io.event); + writel(0x00, &dp2_ptr->u.ic.S_Info[0]); + writel(0x00, &dp2_ptr->u.ic.S_Info[1]); + writel(0x01, &dp2_ptr->u.ic.S_Info[2]); + writel(0x00, &dp2_ptr->u.ic.S_Info[3]); + writeb(0xfe, &dp2_ptr->u.ic.S_Cmd_Indx); + writeb(0, &dp2_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp2_ptr->u.ic.S_Status) != 0xfe) { + while (readb(&dp2_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-ISA: Initialization error\n"); iounmap(ha->brd); @@ -1043,37 +844,38 @@ static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) } gdth_delay(1); } - gdth_writeb(0, &dp2_ptr->u.ic.Status); - gdth_writeb(0xff, &dp2_ptr->io.irqdel); + writeb(0, &dp2_ptr->u.ic.Status); + writeb(0xff, &dp2_ptr->io.irqdel); ha->dma64_support = 0; return 1; } +#endif /* CONFIG_ISA */ - -static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) +#ifdef CONFIG_PCI +static int gdth_init_pci(struct pci_dev *pdev, gdth_pci_str *pcistr, + gdth_ha_str *ha) { register gdt6_dpram_str __iomem *dp6_ptr; register gdt6c_dpram_str __iomem *dp6c_ptr; register gdt6m_dpram_str __iomem *dp6m_ptr; - ulong32 retries; - unchar prot_ver; - ushort command; + u32 retries; + u8 prot_ver; + u16 command; int i, found = FALSE; TRACE(("gdth_init_pci()\n")); - if (pcistr->vendor_id == PCI_VENDOR_ID_INTEL) + if (pdev->vendor == PCI_VENDOR_ID_INTEL) ha->oem_id = OEM_ID_INTEL; else ha->oem_id = OEM_ID_ICP; - ha->brd_phys = (pcistr->bus << 8) | (pcistr->device_fn & 0xf8); - ha->stype = (ulong32)pcistr->device_id; - ha->subdevice_id = pcistr->subdevice_id; - ha->irq = pcistr->irq; - ha->pdev = pcistr->pdev; + ha->brd_phys = (pdev->bus->number << 8) | (pdev->devfn & 0xf8); + ha->stype = (u32)pdev->device; + ha->irq = pdev->irq; + ha->pdev = pdev; - if (ha->stype <= PCI_DEVICE_ID_VORTEX_GDT6000B) { /* GDT6000/B */ + if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6000B) { /* GDT6000/B */ TRACE2(("init_pci() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq)); ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6_dpram_str)); if (ha->brd == NULL) { @@ -1082,33 +884,32 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } /* check and reset interface area */ dp6_ptr = ha->brd; - gdth_writel(DPMEM_MAGIC, &dp6_ptr->u); - if (gdth_readl(&dp6_ptr->u) != DPMEM_MAGIC) { + writel(DPMEM_MAGIC, &dp6_ptr->u); + if (readl(&dp6_ptr->u) != DPMEM_MAGIC) { printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n", pcistr->dpmem); found = FALSE; for (i = 0xC8000; i < 0xE8000; i += 0x4000) { iounmap(ha->brd); - ha->brd = ioremap(i, sizeof(ushort)); + ha->brd = ioremap(i, sizeof(u16)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } - if (gdth_readw(ha->brd) != 0xffff) { + if (readw(ha->brd) != 0xffff) { TRACE2(("init_pci_old() address 0x%x busy\n", i)); continue; } iounmap(ha->brd); - pci_write_config_dword(pcistr->pdev, - PCI_BASE_ADDRESS_0, i); + pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i); ha->brd = ioremap(i, sizeof(gdt6_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6_ptr = ha->brd; - gdth_writel(DPMEM_MAGIC, &dp6_ptr->u); - if (gdth_readl(&dp6_ptr->u) == DPMEM_MAGIC) { + writel(DPMEM_MAGIC, &dp6_ptr->u); + if (readl(&dp6_ptr->u) == DPMEM_MAGIC) { printk("GDT-PCI: Use free address at 0x%x\n", i); found = TRUE; break; @@ -1121,24 +922,24 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } } memset_io(&dp6_ptr->u, 0, sizeof(dp6_ptr->u)); - if (gdth_readl(&dp6_ptr->u) != 0) { + if (readl(&dp6_ptr->u) != 0) { printk("GDT-PCI: Initialization error (DPMEM write error)\n"); iounmap(ha->brd); return 0; } /* disable board interrupts, deinit services */ - gdth_writeb(0xff, &dp6_ptr->io.irqdel); - gdth_writeb(0x00, &dp6_ptr->io.irqen); - gdth_writeb(0x00, &dp6_ptr->u.ic.S_Status); - gdth_writeb(0x00, &dp6_ptr->u.ic.Cmd_Index); - - gdth_writel(pcistr->dpmem, &dp6_ptr->u.ic.S_Info[0]); - gdth_writeb(0xff, &dp6_ptr->u.ic.S_Cmd_Indx); - gdth_writeb(0, &dp6_ptr->io.event); + writeb(0xff, &dp6_ptr->io.irqdel); + writeb(0x00, &dp6_ptr->io.irqen); + writeb(0x00, &dp6_ptr->u.ic.S_Status); + writeb(0x00, &dp6_ptr->u.ic.Cmd_Index); + + writel(pcistr->dpmem, &dp6_ptr->u.ic.S_Info[0]); + writeb(0xff, &dp6_ptr->u.ic.S_Cmd_Indx); + writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp6_ptr->u.ic.S_Status) != 0xff) { + while (readb(&dp6_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); @@ -1146,9 +947,9 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } gdth_delay(1); } - prot_ver = (unchar)gdth_readl(&dp6_ptr->u.ic.S_Info[0]); - gdth_writeb(0, &dp6_ptr->u.ic.S_Status); - gdth_writeb(0xff, &dp6_ptr->io.irqdel); + prot_ver = (u8)readl(&dp6_ptr->u.ic.S_Info[0]); + writeb(0, &dp6_ptr->u.ic.S_Status); + writeb(0xff, &dp6_ptr->io.irqdel); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); iounmap(ha->brd); @@ -1159,15 +960,15 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) ha->ic_all_size = sizeof(dp6_ptr->u); /* special command to controller BIOS */ - gdth_writel(0x00, &dp6_ptr->u.ic.S_Info[0]); - gdth_writel(0x00, &dp6_ptr->u.ic.S_Info[1]); - gdth_writel(0x00, &dp6_ptr->u.ic.S_Info[2]); - gdth_writel(0x00, &dp6_ptr->u.ic.S_Info[3]); - gdth_writeb(0xfe, &dp6_ptr->u.ic.S_Cmd_Indx); - gdth_writeb(0, &dp6_ptr->io.event); + writel(0x00, &dp6_ptr->u.ic.S_Info[0]); + writel(0x00, &dp6_ptr->u.ic.S_Info[1]); + writel(0x00, &dp6_ptr->u.ic.S_Info[2]); + writel(0x00, &dp6_ptr->u.ic.S_Info[3]); + writeb(0xfe, &dp6_ptr->u.ic.S_Cmd_Indx); + writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp6_ptr->u.ic.S_Status) != 0xfe) { + while (readb(&dp6_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); iounmap(ha->brd); @@ -1175,12 +976,12 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } gdth_delay(1); } - gdth_writeb(0, &dp6_ptr->u.ic.S_Status); - gdth_writeb(0xff, &dp6_ptr->io.irqdel); + writeb(0, &dp6_ptr->u.ic.S_Status); + writeb(0xff, &dp6_ptr->io.irqdel); ha->dma64_support = 0; - } else if (ha->stype <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, ... */ + } else if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, ... */ ha->plx = (gdt6c_plx_regs *)pcistr->io; TRACE2(("init_pci_new() dpmem %lx irq %d\n", pcistr->dpmem,ha->irq)); @@ -1192,33 +993,32 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } /* check and reset interface area */ dp6c_ptr = ha->brd; - gdth_writel(DPMEM_MAGIC, &dp6c_ptr->u); - if (gdth_readl(&dp6c_ptr->u) != DPMEM_MAGIC) { + writel(DPMEM_MAGIC, &dp6c_ptr->u); + if (readl(&dp6c_ptr->u) != DPMEM_MAGIC) { printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n", pcistr->dpmem); found = FALSE; for (i = 0xC8000; i < 0xE8000; i += 0x4000) { iounmap(ha->brd); - ha->brd = ioremap(i, sizeof(ushort)); + ha->brd = ioremap(i, sizeof(u16)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } - if (gdth_readw(ha->brd) != 0xffff) { + if (readw(ha->brd) != 0xffff) { TRACE2(("init_pci_plx() address 0x%x busy\n", i)); continue; } iounmap(ha->brd); - pci_write_config_dword(pcistr->pdev, - PCI_BASE_ADDRESS_2, i); + pci_write_config_dword(pdev, PCI_BASE_ADDRESS_2, i); ha->brd = ioremap(i, sizeof(gdt6c_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6c_ptr = ha->brd; - gdth_writel(DPMEM_MAGIC, &dp6c_ptr->u); - if (gdth_readl(&dp6c_ptr->u) == DPMEM_MAGIC) { + writel(DPMEM_MAGIC, &dp6c_ptr->u); + if (readl(&dp6c_ptr->u) == DPMEM_MAGIC) { printk("GDT-PCI: Use free address at 0x%x\n", i); found = TRUE; break; @@ -1231,7 +1031,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } } memset_io(&dp6c_ptr->u, 0, sizeof(dp6c_ptr->u)); - if (gdth_readl(&dp6c_ptr->u) != 0) { + if (readl(&dp6c_ptr->u) != 0) { printk("GDT-PCI: Initialization error (DPMEM write error)\n"); iounmap(ha->brd); return 0; @@ -1241,17 +1041,17 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) outb(0x00,PTR2USHORT(&ha->plx->control1)); outb(0xff,PTR2USHORT(&ha->plx->edoor_reg)); - gdth_writeb(0x00, &dp6c_ptr->u.ic.S_Status); - gdth_writeb(0x00, &dp6c_ptr->u.ic.Cmd_Index); + writeb(0x00, &dp6c_ptr->u.ic.S_Status); + writeb(0x00, &dp6c_ptr->u.ic.Cmd_Index); - gdth_writel(pcistr->dpmem, &dp6c_ptr->u.ic.S_Info[0]); - gdth_writeb(0xff, &dp6c_ptr->u.ic.S_Cmd_Indx); + writel(pcistr->dpmem, &dp6c_ptr->u.ic.S_Info[0]); + writeb(0xff, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp6c_ptr->u.ic.S_Status) != 0xff) { + while (readb(&dp6c_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); @@ -1259,8 +1059,8 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } gdth_delay(1); } - prot_ver = (unchar)gdth_readl(&dp6c_ptr->u.ic.S_Info[0]); - gdth_writeb(0, &dp6c_ptr->u.ic.Status); + prot_ver = (u8)readl(&dp6c_ptr->u.ic.S_Info[0]); + writeb(0, &dp6c_ptr->u.ic.Status); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); iounmap(ha->brd); @@ -1271,17 +1071,17 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) ha->ic_all_size = sizeof(dp6c_ptr->u); /* special command to controller BIOS */ - gdth_writel(0x00, &dp6c_ptr->u.ic.S_Info[0]); - gdth_writel(0x00, &dp6c_ptr->u.ic.S_Info[1]); - gdth_writel(0x00, &dp6c_ptr->u.ic.S_Info[2]); - gdth_writel(0x00, &dp6c_ptr->u.ic.S_Info[3]); - gdth_writeb(0xfe, &dp6c_ptr->u.ic.S_Cmd_Indx); + writel(0x00, &dp6c_ptr->u.ic.S_Info[0]); + writel(0x00, &dp6c_ptr->u.ic.S_Info[1]); + writel(0x00, &dp6c_ptr->u.ic.S_Info[2]); + writel(0x00, &dp6c_ptr->u.ic.S_Info[3]); + writeb(0xfe, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp6c_ptr->u.ic.S_Status) != 0xfe) { + while (readb(&dp6c_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); iounmap(ha->brd); @@ -1289,7 +1089,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } gdth_delay(1); } - gdth_writeb(0, &dp6c_ptr->u.ic.S_Status); + writeb(0, &dp6c_ptr->u.ic.S_Status); ha->dma64_support = 0; @@ -1302,52 +1102,45 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } /* manipulate config. space to enable DPMEM, start RP controller */ - pci_read_config_word(pcistr->pdev, PCI_COMMAND, &command); + pci_read_config_word(pdev, PCI_COMMAND, &command); command |= 6; - pci_write_config_word(pcistr->pdev, PCI_COMMAND, command); - if (pci_resource_start(pcistr->pdev, 8) == 1UL) - pci_resource_start(pcistr->pdev, 8) = 0UL; - i = 0xFEFF0001UL; - pci_write_config_dword(pcistr->pdev, PCI_ROM_ADDRESS, i); - gdth_delay(1); - pci_write_config_dword(pcistr->pdev, PCI_ROM_ADDRESS, - pci_resource_start(pcistr->pdev, 8)); - + pci_write_config_word(pdev, PCI_COMMAND, command); + gdth_delay(1); + dp6m_ptr = ha->brd; /* Ensure that it is safe to access the non HW portions of DPMEM. * Aditional check needed for Xscale based RAID controllers */ - while( ((int)gdth_readb(&dp6m_ptr->i960r.sema0_reg) ) & 3 ) + while( ((int)readb(&dp6m_ptr->i960r.sema0_reg) ) & 3 ) gdth_delay(1); /* check and reset interface area */ - gdth_writel(DPMEM_MAGIC, &dp6m_ptr->u); - if (gdth_readl(&dp6m_ptr->u) != DPMEM_MAGIC) { + writel(DPMEM_MAGIC, &dp6m_ptr->u); + if (readl(&dp6m_ptr->u) != DPMEM_MAGIC) { printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n", pcistr->dpmem); found = FALSE; for (i = 0xC8000; i < 0xE8000; i += 0x4000) { iounmap(ha->brd); - ha->brd = ioremap(i, sizeof(ushort)); + ha->brd = ioremap(i, sizeof(u16)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } - if (gdth_readw(ha->brd) != 0xffff) { + if (readw(ha->brd) != 0xffff) { TRACE2(("init_pci_mpr() address 0x%x busy\n", i)); continue; } iounmap(ha->brd); - pci_write_config_dword(pcistr->pdev, - PCI_BASE_ADDRESS_0, i); + pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i); ha->brd = ioremap(i, sizeof(gdt6m_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6m_ptr = ha->brd; - gdth_writel(DPMEM_MAGIC, &dp6m_ptr->u); - if (gdth_readl(&dp6m_ptr->u) == DPMEM_MAGIC) { + writel(DPMEM_MAGIC, &dp6m_ptr->u); + if (readl(&dp6m_ptr->u) == DPMEM_MAGIC) { printk("GDT-PCI: Use free address at 0x%x\n", i); found = TRUE; break; @@ -1362,18 +1155,18 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) memset_io(&dp6m_ptr->u, 0, sizeof(dp6m_ptr->u)); /* disable board interrupts, deinit services */ - gdth_writeb(gdth_readb(&dp6m_ptr->i960r.edoor_en_reg) | 4, + writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) | 4, &dp6m_ptr->i960r.edoor_en_reg); - gdth_writeb(0xff, &dp6m_ptr->i960r.edoor_reg); - gdth_writeb(0x00, &dp6m_ptr->u.ic.S_Status); - gdth_writeb(0x00, &dp6m_ptr->u.ic.Cmd_Index); + writeb(0xff, &dp6m_ptr->i960r.edoor_reg); + writeb(0x00, &dp6m_ptr->u.ic.S_Status); + writeb(0x00, &dp6m_ptr->u.ic.Cmd_Index); - gdth_writel(pcistr->dpmem, &dp6m_ptr->u.ic.S_Info[0]); - gdth_writeb(0xff, &dp6m_ptr->u.ic.S_Cmd_Indx); - gdth_writeb(1, &dp6m_ptr->i960r.ldoor_reg); + writel(pcistr->dpmem, &dp6m_ptr->u.ic.S_Info[0]); + writeb(0xff, &dp6m_ptr->u.ic.S_Cmd_Indx); + writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp6m_ptr->u.ic.S_Status) != 0xff) { + while (readb(&dp6m_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); @@ -1381,8 +1174,8 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } gdth_delay(1); } - prot_ver = (unchar)gdth_readl(&dp6m_ptr->u.ic.S_Info[0]); - gdth_writeb(0, &dp6m_ptr->u.ic.S_Status); + prot_ver = (u8)readl(&dp6m_ptr->u.ic.S_Info[0]); + writeb(0, &dp6m_ptr->u.ic.S_Status); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); iounmap(ha->brd); @@ -1393,15 +1186,15 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) ha->ic_all_size = sizeof(dp6m_ptr->u); /* special command to controller BIOS */ - gdth_writel(0x00, &dp6m_ptr->u.ic.S_Info[0]); - gdth_writel(0x00, &dp6m_ptr->u.ic.S_Info[1]); - gdth_writel(0x00, &dp6m_ptr->u.ic.S_Info[2]); - gdth_writel(0x00, &dp6m_ptr->u.ic.S_Info[3]); - gdth_writeb(0xfe, &dp6m_ptr->u.ic.S_Cmd_Indx); - gdth_writeb(1, &dp6m_ptr->i960r.ldoor_reg); + writel(0x00, &dp6m_ptr->u.ic.S_Info[0]); + writel(0x00, &dp6m_ptr->u.ic.S_Info[1]); + writel(0x00, &dp6m_ptr->u.ic.S_Info[2]); + writel(0x00, &dp6m_ptr->u.ic.S_Info[3]); + writeb(0xfe, &dp6m_ptr->u.ic.S_Cmd_Indx); + writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp6m_ptr->u.ic.S_Status) != 0xfe) { + while (readb(&dp6m_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); iounmap(ha->brd); @@ -1409,14 +1202,14 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } gdth_delay(1); } - gdth_writeb(0, &dp6m_ptr->u.ic.S_Status); + writeb(0, &dp6m_ptr->u.ic.S_Status); /* read FW version to detect 64-bit DMA support */ - gdth_writeb(0xfd, &dp6m_ptr->u.ic.S_Cmd_Indx); - gdth_writeb(1, &dp6m_ptr->i960r.ldoor_reg); + writeb(0xfd, &dp6m_ptr->u.ic.S_Cmd_Indx); + writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); - while (gdth_readb(&dp6m_ptr->u.ic.S_Status) != 0xfd) { + while (readb(&dp6m_ptr->u.ic.S_Status) != 0xfd) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); @@ -1424,8 +1217,8 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) } gdth_delay(1); } - prot_ver = (unchar)(gdth_readl(&dp6m_ptr->u.ic.S_Info[0]) >> 16); - gdth_writeb(0, &dp6m_ptr->u.ic.S_Status); + prot_ver = (u8)(readl(&dp6m_ptr->u.ic.S_Info[0]) >> 16); + writeb(0, &dp6m_ptr->u.ic.S_Status); if (prot_ver < 0x2b) /* FW < x.43: no 64-bit DMA support */ ha->dma64_support = 0; else @@ -1434,20 +1227,18 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) return 1; } - +#endif /* CONFIG_PCI */ /* controller protocol functions */ -static void __init gdth_enable_int(int hanum) +static void gdth_enable_int(gdth_ha_str *ha) { - gdth_ha_str *ha; - ulong flags; + unsigned long flags; gdt2_dpram_str __iomem *dp2_ptr; gdt6_dpram_str __iomem *dp6_ptr; gdt6m_dpram_str __iomem *dp6m_ptr; - TRACE(("gdth_enable_int() hanum %d\n",hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE(("gdth_enable_int() hanum %d\n",ha->hanum)); spin_lock_irqsave(&ha->smp_lock, flags); if (ha->type == GDT_EISA) { @@ -1456,98 +1247,83 @@ static void __init gdth_enable_int(int hanum) outb(0x01, ha->bmic + EINTENABREG); } else if (ha->type == GDT_ISA) { dp2_ptr = ha->brd; - gdth_writeb(1, &dp2_ptr->io.irqdel); - gdth_writeb(0, &dp2_ptr->u.ic.Cmd_Index); - gdth_writeb(1, &dp2_ptr->io.irqen); + writeb(1, &dp2_ptr->io.irqdel); + writeb(0, &dp2_ptr->u.ic.Cmd_Index); + writeb(1, &dp2_ptr->io.irqen); } else if (ha->type == GDT_PCI) { dp6_ptr = ha->brd; - gdth_writeb(1, &dp6_ptr->io.irqdel); - gdth_writeb(0, &dp6_ptr->u.ic.Cmd_Index); - gdth_writeb(1, &dp6_ptr->io.irqen); + writeb(1, &dp6_ptr->io.irqdel); + writeb(0, &dp6_ptr->u.ic.Cmd_Index); + writeb(1, &dp6_ptr->io.irqen); } else if (ha->type == GDT_PCINEW) { outb(0xff, PTR2USHORT(&ha->plx->edoor_reg)); outb(0x03, PTR2USHORT(&ha->plx->control1)); } else if (ha->type == GDT_PCIMPR) { dp6m_ptr = ha->brd; - gdth_writeb(0xff, &dp6m_ptr->i960r.edoor_reg); - gdth_writeb(gdth_readb(&dp6m_ptr->i960r.edoor_en_reg) & ~4, + writeb(0xff, &dp6m_ptr->i960r.edoor_reg); + writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) & ~4, &dp6m_ptr->i960r.edoor_en_reg); } spin_unlock_irqrestore(&ha->smp_lock, flags); } - -static int gdth_get_status(unchar *pIStatus,int irq) +/* return IStatus if interrupt was from this card else 0 */ +static u8 gdth_get_status(gdth_ha_str *ha) { - register gdth_ha_str *ha; - int i; + u8 IStatus = 0; + + TRACE(("gdth_get_status() irq %d ctr_count %d\n", ha->irq, gdth_ctr_count)); - TRACE(("gdth_get_status() irq %d ctr_count %d\n", - irq,gdth_ctr_count)); - - *pIStatus = 0; - for (i=0; i<gdth_ctr_count; ++i) { - ha = HADATA(gdth_ctr_tab[i]); - if (ha->irq != (unchar)irq) /* check IRQ */ - continue; if (ha->type == GDT_EISA) - *pIStatus = inb((ushort)ha->bmic + EDOORREG); + IStatus = inb((u16)ha->bmic + EDOORREG); else if (ha->type == GDT_ISA) - *pIStatus = - gdth_readb(&((gdt2_dpram_str __iomem *)ha->brd)->u.ic.Cmd_Index); + IStatus = + readb(&((gdt2_dpram_str __iomem *)ha->brd)->u.ic.Cmd_Index); else if (ha->type == GDT_PCI) - *pIStatus = - gdth_readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Cmd_Index); + IStatus = + readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Cmd_Index); else if (ha->type == GDT_PCINEW) - *pIStatus = inb(PTR2USHORT(&ha->plx->edoor_reg)); + IStatus = inb(PTR2USHORT(&ha->plx->edoor_reg)); else if (ha->type == GDT_PCIMPR) - *pIStatus = - gdth_readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.edoor_reg); - - if (*pIStatus) - return i; /* board found */ - } - return -1; + IStatus = + readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.edoor_reg); + + return IStatus; } - - -static int gdth_test_busy(int hanum) + +static int gdth_test_busy(gdth_ha_str *ha) { - register gdth_ha_str *ha; register int gdtsema0 = 0; - TRACE(("gdth_test_busy() hanum %d\n",hanum)); - - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE(("gdth_test_busy() hanum %d\n", ha->hanum)); + if (ha->type == GDT_EISA) gdtsema0 = (int)inb(ha->bmic + SEMA0REG); else if (ha->type == GDT_ISA) - gdtsema0 = (int)gdth_readb(&((gdt2_dpram_str __iomem *)ha->brd)->u.ic.Sema0); + gdtsema0 = (int)readb(&((gdt2_dpram_str __iomem *)ha->brd)->u.ic.Sema0); else if (ha->type == GDT_PCI) - gdtsema0 = (int)gdth_readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0); + gdtsema0 = (int)readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0); else if (ha->type == GDT_PCINEW) gdtsema0 = (int)inb(PTR2USHORT(&ha->plx->sema0_reg)); else if (ha->type == GDT_PCIMPR) gdtsema0 = - (int)gdth_readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg); + (int)readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg); return (gdtsema0 & 1); } -static int gdth_get_cmd_index(int hanum) +static int gdth_get_cmd_index(gdth_ha_str *ha) { - register gdth_ha_str *ha; int i; - TRACE(("gdth_get_cmd_index() hanum %d\n",hanum)); + TRACE(("gdth_get_cmd_index() hanum %d\n", ha->hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); for (i=0; i<GDTH_MAXCMDS; ++i) { if (ha->cmd_tab[i].cmnd == UNUSED_CMND) { ha->cmd_tab[i].cmnd = ha->pccb->RequestBuffer; ha->cmd_tab[i].service = ha->pccb->Service; - ha->pccb->CommandIndex = (ulong32)i+2; + ha->pccb->CommandIndex = (u32)i+2; return (i+2); } } @@ -1555,40 +1331,35 @@ static int gdth_get_cmd_index(int hanum) } -static void gdth_set_sema0(int hanum) +static void gdth_set_sema0(gdth_ha_str *ha) { - register gdth_ha_str *ha; - - TRACE(("gdth_set_sema0() hanum %d\n",hanum)); + TRACE(("gdth_set_sema0() hanum %d\n", ha->hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); if (ha->type == GDT_EISA) { outb(1, ha->bmic + SEMA0REG); } else if (ha->type == GDT_ISA) { - gdth_writeb(1, &((gdt2_dpram_str __iomem *)ha->brd)->u.ic.Sema0); + writeb(1, &((gdt2_dpram_str __iomem *)ha->brd)->u.ic.Sema0); } else if (ha->type == GDT_PCI) { - gdth_writeb(1, &((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0); + writeb(1, &((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0); } else if (ha->type == GDT_PCINEW) { outb(1, PTR2USHORT(&ha->plx->sema0_reg)); } else if (ha->type == GDT_PCIMPR) { - gdth_writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg); + writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg); } } -static void gdth_copy_command(int hanum) +static void gdth_copy_command(gdth_ha_str *ha) { - register gdth_ha_str *ha; register gdth_cmd_str *cmd_ptr; register gdt6m_dpram_str __iomem *dp6m_ptr; register gdt6c_dpram_str __iomem *dp6c_ptr; gdt6_dpram_str __iomem *dp6_ptr; gdt2_dpram_str __iomem *dp2_ptr; - ushort cp_count,dp_offset,cmd_no; + u16 cp_count,dp_offset,cmd_no; - TRACE(("gdth_copy_command() hanum %d\n",hanum)); + TRACE(("gdth_copy_command() hanum %d\n", ha->hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); cp_count = ha->cmd_len; dp_offset= ha->cmd_offs_dpmem; cmd_no = ha->cmd_cnt; @@ -1607,53 +1378,50 @@ static void gdth_copy_command(int hanum) /* set offset and service, copy command to DPMEM */ if (ha->type == GDT_ISA) { dp2_ptr = ha->brd; - gdth_writew(dp_offset + DPMEM_COMMAND_OFFSET, + writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp2_ptr->u.ic.comm_queue[cmd_no].offset); - gdth_writew((ushort)cmd_ptr->Service, + writew((u16)cmd_ptr->Service, &dp2_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&dp2_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count); } else if (ha->type == GDT_PCI) { dp6_ptr = ha->brd; - gdth_writew(dp_offset + DPMEM_COMMAND_OFFSET, + writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6_ptr->u.ic.comm_queue[cmd_no].offset); - gdth_writew((ushort)cmd_ptr->Service, + writew((u16)cmd_ptr->Service, &dp6_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&dp6_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count); } else if (ha->type == GDT_PCINEW) { dp6c_ptr = ha->brd; - gdth_writew(dp_offset + DPMEM_COMMAND_OFFSET, + writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6c_ptr->u.ic.comm_queue[cmd_no].offset); - gdth_writew((ushort)cmd_ptr->Service, + writew((u16)cmd_ptr->Service, &dp6c_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&dp6c_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count); } else if (ha->type == GDT_PCIMPR) { dp6m_ptr = ha->brd; - gdth_writew(dp_offset + DPMEM_COMMAND_OFFSET, + writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6m_ptr->u.ic.comm_queue[cmd_no].offset); - gdth_writew((ushort)cmd_ptr->Service, + writew((u16)cmd_ptr->Service, &dp6m_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&dp6m_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count); } } -static void gdth_release_event(int hanum) +static void gdth_release_event(gdth_ha_str *ha) { - register gdth_ha_str *ha; - - TRACE(("gdth_release_event() hanum %d\n",hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE(("gdth_release_event() hanum %d\n", ha->hanum)); #ifdef GDTH_STATISTICS { - ulong32 i,j; + u32 i,j; for (i=0,j=0; j<GDTH_MAXCMDS; ++j) { if (ha->cmd_tab[j].cmnd != UNUSED_CMND) ++i; } if (max_index < i) { max_index = i; - TRACE3(("GDT: max_index = %d\n",(ushort)i)); + TRACE3(("GDT: max_index = %d\n",(u16)i)); } } #endif @@ -1666,56 +1434,50 @@ static void gdth_release_event(int hanum) outl(ha->ccb_phys, ha->bmic + MAILBOXREG); outb(ha->pccb->Service, ha->bmic + LDOORREG); } else if (ha->type == GDT_ISA) { - gdth_writeb(0, &((gdt2_dpram_str __iomem *)ha->brd)->io.event); + writeb(0, &((gdt2_dpram_str __iomem *)ha->brd)->io.event); } else if (ha->type == GDT_PCI) { - gdth_writeb(0, &((gdt6_dpram_str __iomem *)ha->brd)->io.event); + writeb(0, &((gdt6_dpram_str __iomem *)ha->brd)->io.event); } else if (ha->type == GDT_PCINEW) { outb(1, PTR2USHORT(&ha->plx->ldoor_reg)); } else if (ha->type == GDT_PCIMPR) { - gdth_writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.ldoor_reg); + writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.ldoor_reg); } } - -static int gdth_wait(int hanum,int index,ulong32 time) +static int gdth_wait(gdth_ha_str *ha, int index, u32 time) { - gdth_ha_str *ha; int answer_found = FALSE; + int wait_index = 0; - TRACE(("gdth_wait() hanum %d index %d time %d\n",hanum,index,time)); + TRACE(("gdth_wait() hanum %d index %d time %d\n", ha->hanum, index, time)); - ha = HADATA(gdth_ctr_tab[hanum]); if (index == 0) return 1; /* no wait required */ - gdth_from_wait = TRUE; do { - gdth_interrupt((int)ha->irq,ha,NULL); - if (wait_hanum==hanum && wait_index==index) { + __gdth_interrupt(ha, true, &wait_index); + if (wait_index == index) { answer_found = TRUE; break; } gdth_delay(1); } while (--time); - gdth_from_wait = FALSE; - - while (gdth_test_busy(hanum)) + + while (gdth_test_busy(ha)) gdth_delay(0); return (answer_found); } -static int gdth_internal_cmd(int hanum,unchar service,ushort opcode,ulong32 p1, - ulong64 p2,ulong64 p3) +static int gdth_internal_cmd(gdth_ha_str *ha, u8 service, u16 opcode, + u32 p1, u64 p2, u64 p3) { - register gdth_ha_str *ha; register gdth_cmd_str *cmd_ptr; int retries,index; TRACE2(("gdth_internal_cmd() service %d opcode %d\n",service,opcode)); - ha = HADATA(gdth_ctr_tab[hanum]); cmd_ptr = ha->pccb; memset((char*)cmd_ptr,0,sizeof(gdth_cmd_str)); @@ -1723,54 +1485,54 @@ static int gdth_internal_cmd(int hanum,unchar service,ushort opcode,ulong32 p1, for (retries = INIT_RETRIES;;) { cmd_ptr->Service = service; cmd_ptr->RequestBuffer = INTERNAL_CMND; - if (!(index=gdth_get_cmd_index(hanum))) { + if (!(index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } - gdth_set_sema0(hanum); + gdth_set_sema0(ha); cmd_ptr->OpCode = opcode; cmd_ptr->BoardNode = LOCALBOARD; if (service == CACHESERVICE) { if (opcode == GDT_IOCTL) { cmd_ptr->u.ioctl.subfunc = p1; - cmd_ptr->u.ioctl.channel = (ulong32)p2; - cmd_ptr->u.ioctl.param_size = (ushort)p3; + cmd_ptr->u.ioctl.channel = (u32)p2; + cmd_ptr->u.ioctl.param_size = (u16)p3; cmd_ptr->u.ioctl.p_param = ha->scratch_phys; } else { if (ha->cache_feat & GDT_64BIT) { - cmd_ptr->u.cache64.DeviceNo = (ushort)p1; + cmd_ptr->u.cache64.DeviceNo = (u16)p1; cmd_ptr->u.cache64.BlockNo = p2; } else { - cmd_ptr->u.cache.DeviceNo = (ushort)p1; - cmd_ptr->u.cache.BlockNo = (ulong32)p2; + cmd_ptr->u.cache.DeviceNo = (u16)p1; + cmd_ptr->u.cache.BlockNo = (u32)p2; } } } else if (service == SCSIRAWSERVICE) { if (ha->raw_feat & GDT_64BIT) { cmd_ptr->u.raw64.direction = p1; - cmd_ptr->u.raw64.bus = (unchar)p2; - cmd_ptr->u.raw64.target = (unchar)p3; - cmd_ptr->u.raw64.lun = (unchar)(p3 >> 8); + cmd_ptr->u.raw64.bus = (u8)p2; + cmd_ptr->u.raw64.target = (u8)p3; + cmd_ptr->u.raw64.lun = (u8)(p3 >> 8); } else { cmd_ptr->u.raw.direction = p1; - cmd_ptr->u.raw.bus = (unchar)p2; - cmd_ptr->u.raw.target = (unchar)p3; - cmd_ptr->u.raw.lun = (unchar)(p3 >> 8); + cmd_ptr->u.raw.bus = (u8)p2; + cmd_ptr->u.raw.target = (u8)p3; + cmd_ptr->u.raw.lun = (u8)(p3 >> 8); } } else if (service == SCREENSERVICE) { if (opcode == GDT_REALTIME) { - *(ulong32 *)&cmd_ptr->u.screen.su.data[0] = p1; - *(ulong32 *)&cmd_ptr->u.screen.su.data[4] = (ulong32)p2; - *(ulong32 *)&cmd_ptr->u.screen.su.data[8] = (ulong32)p3; + *(u32 *)&cmd_ptr->u.screen.su.data[0] = p1; + *(u32 *)&cmd_ptr->u.screen.su.data[4] = (u32)p2; + *(u32 *)&cmd_ptr->u.screen.su.data[8] = (u32)p3; } } ha->cmd_len = sizeof(gdth_cmd_str); ha->cmd_offs_dpmem = 0; ha->cmd_cnt = 0; - gdth_copy_command(hanum); - gdth_release_event(hanum); + gdth_copy_command(ha); + gdth_release_event(ha); gdth_delay(20); - if (!gdth_wait(hanum,index,INIT_TIMEOUT)) { + if (!gdth_wait(ha, index, INIT_TIMEOUT)) { printk("GDT: Initialization error (timeout service %d)\n",service); return 0; } @@ -1785,12 +1547,11 @@ static int gdth_internal_cmd(int hanum,unchar service,ushort opcode,ulong32 p1, /* search for devices */ -static int __init gdth_search_drives(int hanum) +static int gdth_search_drives(gdth_ha_str *ha) { - register gdth_ha_str *ha; - ushort cdev_cnt, i; + u16 cdev_cnt, i; int ok; - ulong32 bus_no, drv_cnt, drv_no, j; + u32 bus_no, drv_cnt, drv_no, j; gdth_getch_str *chn; gdth_drlist_str *drl; gdth_iochan_str *ioc; @@ -1803,26 +1564,25 @@ static int __init gdth_search_drives(int hanum) #endif #ifdef GDTH_RTC - unchar rtc[12]; - ulong flags; + u8 rtc[12]; + unsigned long flags; #endif - TRACE(("gdth_search_drives() hanum %d\n",hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE(("gdth_search_drives() hanum %d\n", ha->hanum)); ok = 0; /* initialize controller services, at first: screen service */ ha->screen_feat = 0; if (!force_dma32) { - ok = gdth_internal_cmd(hanum,SCREENSERVICE,GDT_X_INIT_SCR,0,0,0); + ok = gdth_internal_cmd(ha, SCREENSERVICE, GDT_X_INIT_SCR, 0, 0, 0); if (ok) ha->screen_feat = GDT_64BIT; } - if (force_dma32 || (!ok && ha->status == (ushort)S_NOFUNC)) - ok = gdth_internal_cmd(hanum,SCREENSERVICE,GDT_INIT,0,0,0); + if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC)) + ok = gdth_internal_cmd(ha, SCREENSERVICE, GDT_INIT, 0, 0, 0); if (!ok) { printk("GDT-HA %d: Initialization error screen service (code %d)\n", - hanum, ha->status); + ha->hanum, ha->status); return 0; } TRACE2(("gdth_search_drives(): SCREENSERVICE initialized\n")); @@ -1842,33 +1602,34 @@ static int __init gdth_search_drives(int hanum) for (j = 0; j < 12; ++j) rtc[j] = CMOS_READ(j); } while (rtc[0] != CMOS_READ(0)); - spin_lock_irqrestore(&rtc_lock, flags); - TRACE2(("gdth_search_drives(): RTC: %x/%x/%x\n",*(ulong32 *)&rtc[0], - *(ulong32 *)&rtc[4], *(ulong32 *)&rtc[8])); + spin_unlock_irqrestore(&rtc_lock, flags); + TRACE2(("gdth_search_drives(): RTC: %x/%x/%x\n",*(u32 *)&rtc[0], + *(u32 *)&rtc[4], *(u32 *)&rtc[8])); /* 3. send to controller firmware */ - gdth_internal_cmd(hanum,SCREENSERVICE,GDT_REALTIME, *(ulong32 *)&rtc[0], - *(ulong32 *)&rtc[4], *(ulong32 *)&rtc[8]); + gdth_internal_cmd(ha, SCREENSERVICE, GDT_REALTIME, *(u32 *)&rtc[0], + *(u32 *)&rtc[4], *(u32 *)&rtc[8]); #endif /* unfreeze all IOs */ - gdth_internal_cmd(hanum,CACHESERVICE,GDT_UNFREEZE_IO,0,0,0); + gdth_internal_cmd(ha, CACHESERVICE, GDT_UNFREEZE_IO, 0, 0, 0); /* initialize cache service */ ha->cache_feat = 0; if (!force_dma32) { - ok = gdth_internal_cmd(hanum,CACHESERVICE,GDT_X_INIT_HOST,LINUX_OS,0,0); + ok = gdth_internal_cmd(ha, CACHESERVICE, GDT_X_INIT_HOST, LINUX_OS, + 0, 0); if (ok) ha->cache_feat = GDT_64BIT; } - if (force_dma32 || (!ok && ha->status == (ushort)S_NOFUNC)) - ok = gdth_internal_cmd(hanum,CACHESERVICE,GDT_INIT,LINUX_OS,0,0); + if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC)) + ok = gdth_internal_cmd(ha, CACHESERVICE, GDT_INIT, LINUX_OS, 0, 0); if (!ok) { printk("GDT-HA %d: Initialization error cache service (code %d)\n", - hanum, ha->status); + ha->hanum, ha->status); return 0; } TRACE2(("gdth_search_drives(): CACHESERVICE initialized\n")); - cdev_cnt = (ushort)ha->info; + cdev_cnt = (u16)ha->info; ha->fw_vers = ha->service; #ifdef INT_COAL @@ -1877,7 +1638,7 @@ static int __init gdth_search_drives(int hanum) pmod = (gdth_perf_modes *)ha->pscratch; pmod->version = 1; pmod->st_mode = 1; /* enable one status buffer */ - *((ulong64 *)&pmod->st_buff_addr1) = ha->coal_stat_phys; + *((u64 *)&pmod->st_buff_addr1) = ha->coal_stat_phys; pmod->st_buff_indx1 = COALINDEX; pmod->st_buff_addr2 = 0; pmod->st_buff_u_addr2 = 0; @@ -1893,9 +1654,9 @@ static int __init gdth_search_drives(int hanum) pmod->cmd_buff_size = 0; pmod->reserved1 = 0; pmod->reserved2 = 0; - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,SET_PERF_MODES, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, SET_PERF_MODES, INVALID_CHANNEL,sizeof(gdth_perf_modes))) { - printk("GDT-HA %d: Interrupt coalescing activated\n", hanum); + printk("GDT-HA %d: Interrupt coalescing activated\n", ha->hanum); } } #endif @@ -1907,7 +1668,7 @@ static int __init gdth_search_drives(int hanum) iocr->hdr.first_chan = 0; iocr->hdr.last_chan = MAXBUS-1; iocr->hdr.list_offset = GDTOFFSOF(gdth_raw_iochan_str, list[0]); - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,IOCHAN_RAW_DESC, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, IOCHAN_RAW_DESC, INVALID_CHANNEL,sizeof(gdth_raw_iochan_str))) { TRACE2(("IOCHAN_RAW_DESC supported!\n")); ha->bus_cnt = iocr->hdr.chan_count; @@ -1922,13 +1683,13 @@ static int __init gdth_search_drives(int hanum) chn = (gdth_getch_str *)ha->pscratch; for (bus_no = 0; bus_no < MAXBUS; ++bus_no) { chn->channel_no = bus_no; - if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL, + if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, SCSI_CHAN_CNT | L_CTRL_PATTERN, IO_CHANNEL | INVALID_CHANNEL, sizeof(gdth_getch_str))) { if (bus_no == 0) { printk("GDT-HA %d: Error detecting channel count (0x%x)\n", - hanum, ha->status); + ha->hanum, ha->status); return 0; } break; @@ -1938,15 +1699,15 @@ static int __init gdth_search_drives(int hanum) else ha->bus_id[bus_no] = 0xff; } - ha->bus_cnt = (unchar)bus_no; + ha->bus_cnt = (u8)bus_no; } TRACE2(("gdth_search_drives() %d channels\n",ha->bus_cnt)); /* read cache configuration */ - if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,CACHE_INFO, + if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_INFO, INVALID_CHANNEL,sizeof(gdth_cinfo_str))) { printk("GDT-HA %d: Initialization error cache service (code %d)\n", - hanum, ha->status); + ha->hanum, ha->status); return 0; } ha->cpar = ((gdth_cinfo_str *)ha->pscratch)->cpar; @@ -1956,11 +1717,11 @@ static int __init gdth_search_drives(int hanum) /* read board info and features */ ha->more_proc = FALSE; - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,BOARD_INFO, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, BOARD_INFO, INVALID_CHANNEL,sizeof(gdth_binfo_str))) { memcpy(&ha->binfo, (gdth_binfo_str *)ha->pscratch, sizeof(gdth_binfo_str)); - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,BOARD_FEATURES, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, BOARD_FEATURES, INVALID_CHANNEL,sizeof(gdth_bfeat_str))) { TRACE2(("BOARD_INFO/BOARD_FEATURES supported\n")); ha->bfeat = *(gdth_bfeat_str *)ha->pscratch; @@ -1968,7 +1729,7 @@ static int __init gdth_search_drives(int hanum) } } else { TRACE2(("BOARD_INFO requires firmware >= 1.10/2.08\n")); - strcpy(ha->binfo.type_string, gdth_ctr_name(hanum)); + strcpy(ha->binfo.type_string, gdth_ctr_name(ha)); } TRACE2(("Controller name: %s\n",ha->binfo.type_string)); @@ -1981,7 +1742,7 @@ static int __init gdth_search_drives(int hanum) ioc->hdr.first_chan = 0; ioc->hdr.last_chan = MAXBUS-1; ioc->hdr.list_offset = GDTOFFSOF(gdth_iochan_str, list[0]); - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,IOCHAN_DESC, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, IOCHAN_DESC, INVALID_CHANNEL,sizeof(gdth_iochan_str))) { for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) { ha->raw[bus_no].address = ioc->list[bus_no].address; @@ -1996,7 +1757,7 @@ static int __init gdth_search_drives(int hanum) for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) { chn = (gdth_getch_str *)ha->pscratch; chn->channel_no = ha->raw[bus_no].local_no; - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, SCSI_CHAN_CNT | L_CTRL_PATTERN, ha->raw[bus_no].address | INVALID_CHANNEL, sizeof(gdth_getch_str))) { @@ -2008,7 +1769,7 @@ static int __init gdth_search_drives(int hanum) drl = (gdth_drlist_str *)ha->pscratch; drl->sc_no = ha->raw[bus_no].local_no; drl->sc_cnt = ha->raw[bus_no].pdev_cnt; - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, SCSI_DR_LIST | L_CTRL_PATTERN, ha->raw[bus_no].address | INVALID_CHANNEL, sizeof(gdth_drlist_str))) { @@ -2021,13 +1782,13 @@ static int __init gdth_search_drives(int hanum) } /* logical drives */ - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,CACHE_DRV_CNT, - INVALID_CHANNEL,sizeof(ulong32))) { - drv_cnt = *(ulong32 *)ha->pscratch; - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,CACHE_DRV_LIST, - INVALID_CHANNEL,drv_cnt * sizeof(ulong32))) { + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_DRV_CNT, + INVALID_CHANNEL,sizeof(u32))) { + drv_cnt = *(u32 *)ha->pscratch; + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_DRV_LIST, + INVALID_CHANNEL,drv_cnt * sizeof(u32))) { for (j = 0; j < drv_cnt; ++j) { - drv_no = ((ulong32 *)ha->pscratch)[j]; + drv_no = ((u32 *)ha->pscratch)[j]; if (drv_no < MAX_LDRIVES) { ha->hdr[drv_no].is_logdrv = TRUE; TRACE2(("Drive %d is log. drive\n",drv_no)); @@ -2038,7 +1799,7 @@ static int __init gdth_search_drives(int hanum) alst->entries_avail = MAX_LDRIVES; alst->first_entry = 0; alst->list_offset = GDTOFFSOF(gdth_arcdl_str, list[0]); - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, ARRAY_DRV_LIST2 | LA_CTRL_PATTERN, INVALID_CHANNEL, sizeof(gdth_arcdl_str) + (alst->entries_avail-1) * sizeof(gdth_alist_str))) { @@ -2049,7 +1810,7 @@ static int __init gdth_search_drives(int hanum) ha->hdr[j].is_hotfix = alst->list[j].is_hotfix; ha->hdr[j].master_no = alst->list[j].cd_handle; } - } else if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL, + } else if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, ARRAY_DRV_LIST | LA_CTRL_PATTERN, 0, 35 * sizeof(gdth_alist_str))) { for (j = 0; j < 35; ++j) { @@ -2067,59 +1828,59 @@ static int __init gdth_search_drives(int hanum) /* initialize raw service */ ha->raw_feat = 0; if (!force_dma32) { - ok = gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_X_INIT_RAW,0,0,0); + ok = gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_X_INIT_RAW, 0, 0, 0); if (ok) ha->raw_feat = GDT_64BIT; } - if (force_dma32 || (!ok && ha->status == (ushort)S_NOFUNC)) - ok = gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_INIT,0,0,0); + if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC)) + ok = gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_INIT, 0, 0, 0); if (!ok) { printk("GDT-HA %d: Initialization error raw service (code %d)\n", - hanum, ha->status); + ha->hanum, ha->status); return 0; } TRACE2(("gdth_search_drives(): RAWSERVICE initialized\n")); /* set/get features raw service (scatter/gather) */ - if (gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_SET_FEAT,SCATTER_GATHER, - 0,0)) { + if (gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_SET_FEAT, SCATTER_GATHER, + 0, 0)) { TRACE2(("gdth_search_drives(): set features RAWSERVICE OK\n")); - if (gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_GET_FEAT,0,0,0)) { + if (gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_GET_FEAT, 0, 0, 0)) { TRACE2(("gdth_search_dr(): get feat RAWSERVICE %d\n", ha->info)); - ha->raw_feat |= (ushort)ha->info; + ha->raw_feat |= (u16)ha->info; } } /* set/get features cache service (equal to raw service) */ - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_SET_FEAT,0, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_SET_FEAT, 0, SCATTER_GATHER,0)) { TRACE2(("gdth_search_drives(): set features CACHESERVICE OK\n")); - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_GET_FEAT,0,0,0)) { + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_GET_FEAT, 0, 0, 0)) { TRACE2(("gdth_search_dr(): get feat CACHESERV. %d\n", ha->info)); - ha->cache_feat |= (ushort)ha->info; + ha->cache_feat |= (u16)ha->info; } } /* reserve drives for raw service */ if (reserve_mode != 0) { - gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_RESERVE_ALL, + gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESERVE_ALL, reserve_mode == 1 ? 1 : 3, 0, 0); TRACE2(("gdth_search_drives(): RESERVE_ALL code %d\n", ha->status)); } for (i = 0; i < MAX_RES_ARGS; i += 4) { - if (reserve_list[i] == hanum && reserve_list[i+1] < ha->bus_cnt && + if (reserve_list[i] == ha->hanum && reserve_list[i+1] < ha->bus_cnt && reserve_list[i+2] < ha->tid_cnt && reserve_list[i+3] < MAXLUN) { TRACE2(("gdth_search_drives(): reserve ha %d bus %d id %d lun %d\n", reserve_list[i], reserve_list[i+1], reserve_list[i+2], reserve_list[i+3])); - if (!gdth_internal_cmd(hanum,SCSIRAWSERVICE,GDT_RESERVE,0, + if (!gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESERVE, 0, reserve_list[i+1], reserve_list[i+2] | (reserve_list[i+3] << 8))) { printk("GDT-HA %d: Error raw service (RESERVE, code %d)\n", - hanum, ha->status); + ha->hanum, ha->status); } } } @@ -2128,58 +1889,44 @@ static int __init gdth_search_drives(int hanum) oemstr = (gdth_oem_str_ioctl *)ha->pscratch; oemstr->params.ctl_version = 0x01; oemstr->params.buffer_size = sizeof(oemstr->text); - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_READ_OEM_STRING_RECORD,INVALID_CHANNEL, sizeof(gdth_oem_str_ioctl))) { TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD OK\n")); printk("GDT-HA %d: Vendor: %s Name: %s\n", - hanum,oemstr->text.oem_company_name,ha->binfo.type_string); + ha->hanum, oemstr->text.oem_company_name, ha->binfo.type_string); /* Save the Host Drive inquiry data */ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) strlcpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id, sizeof(ha->oem_name)); -#else - strncpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id,7); - ha->oem_name[7] = '\0'; -#endif } else { /* Old method, based on PCI ID */ TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD failed\n")); printk("GDT-HA %d: Name: %s\n", - hanum,ha->binfo.type_string); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + ha->hanum, ha->binfo.type_string); if (ha->oem_id == OEM_ID_INTEL) strlcpy(ha->oem_name,"Intel ", sizeof(ha->oem_name)); else strlcpy(ha->oem_name,"ICP ", sizeof(ha->oem_name)); -#else - if (ha->oem_id == OEM_ID_INTEL) - strcpy(ha->oem_name,"Intel "); - else - strcpy(ha->oem_name,"ICP "); -#endif } /* scanning for host drives */ for (i = 0; i < cdev_cnt; ++i) - gdth_analyse_hdrive(hanum,i); + gdth_analyse_hdrive(ha, i); TRACE(("gdth_search_drives() OK\n")); return 1; } -static int gdth_analyse_hdrive(int hanum,ushort hdrive) +static int gdth_analyse_hdrive(gdth_ha_str *ha, u16 hdrive) { - register gdth_ha_str *ha; - ulong32 drv_cyls; + u32 drv_cyls; int drv_hds, drv_secs; - TRACE(("gdth_analyse_hdrive() hanum %d drive %d\n",hanum,hdrive)); + TRACE(("gdth_analyse_hdrive() hanum %d drive %d\n", ha->hanum, hdrive)); if (hdrive >= MAX_HDRIVES) return 0; - ha = HADATA(gdth_ctr_tab[hanum]); - if (!gdth_internal_cmd(hanum,CACHESERVICE,GDT_INFO,hdrive,0,0)) + if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_INFO, hdrive, 0, 0)) return 0; ha->hdr[hdrive].present = TRUE; ha->hdr[hdrive].size = ha->info; @@ -2191,42 +1938,42 @@ static int gdth_analyse_hdrive(int hanum,ushort hdrive) } else { drv_hds = ha->info2 & 0xff; drv_secs = (ha->info2 >> 8) & 0xff; - drv_cyls = (ulong32)ha->hdr[hdrive].size / drv_hds / drv_secs; + drv_cyls = (u32)ha->hdr[hdrive].size / drv_hds / drv_secs; } - ha->hdr[hdrive].heads = (unchar)drv_hds; - ha->hdr[hdrive].secs = (unchar)drv_secs; + ha->hdr[hdrive].heads = (u8)drv_hds; + ha->hdr[hdrive].secs = (u8)drv_secs; /* round size */ ha->hdr[hdrive].size = drv_cyls * drv_hds * drv_secs; if (ha->cache_feat & GDT_64BIT) { - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_X_INFO,hdrive,0,0) + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_X_INFO, hdrive, 0, 0) && ha->info2 != 0) { - ha->hdr[hdrive].size = ((ulong64)ha->info2 << 32) | ha->info; + ha->hdr[hdrive].size = ((u64)ha->info2 << 32) | ha->info; } } TRACE2(("gdth_search_dr() cdr. %d size %d hds %d scs %d\n", hdrive,ha->hdr[hdrive].size,drv_hds,drv_secs)); /* get informations about device */ - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_DEVTYPE,hdrive,0,0)) { + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_DEVTYPE, hdrive, 0, 0)) { TRACE2(("gdth_search_dr() cache drive %d devtype %d\n", hdrive,ha->info)); - ha->hdr[hdrive].devtype = (ushort)ha->info; + ha->hdr[hdrive].devtype = (u16)ha->info; } /* cluster info */ - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_CLUST_INFO,hdrive,0,0)) { + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_CLUST_INFO, hdrive, 0, 0)) { TRACE2(("gdth_search_dr() cache drive %d cluster info %d\n", hdrive,ha->info)); if (!shared_access) - ha->hdr[hdrive].cluster_type = (unchar)ha->info; + ha->hdr[hdrive].cluster_type = (u8)ha->info; } /* R/W attributes */ - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_RW_ATTRIBS,hdrive,0,0)) { + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_RW_ATTRIBS, hdrive, 0, 0)) { TRACE2(("gdth_search_dr() cache drive %d r/w attrib. %d\n", hdrive,ha->info)); - ha->hdr[hdrive].rw_attribs = (unchar)ha->info; + ha->hdr[hdrive].rw_attribs = (u8)ha->info; } return 1; @@ -2235,28 +1982,18 @@ static int gdth_analyse_hdrive(int hanum,ushort hdrive) /* command queueing/sending functions */ -static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority) +static void gdth_putq(gdth_ha_str *ha, Scsi_Cmnd *scp, u8 priority) { - register gdth_ha_str *ha; + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); register Scsi_Cmnd *pscp; register Scsi_Cmnd *nscp; - ulong flags; - unchar b, t; + unsigned long flags; TRACE(("gdth_putq() priority %d\n",priority)); - ha = HADATA(gdth_ctr_tab[hanum]); spin_lock_irqsave(&ha->smp_lock, flags); - scp->SCp.this_residual = (int)priority; - b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; - t = scp->device->id; - if (priority >= DEFAULT_PRI) { - if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || - (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) { - TRACE2(("gdth_putq(): locked IO -> update_timeout()\n")); - scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0); - } - } + if (!cmndinfo->internal_command) + cmndinfo->priority = priority; if (ha->req_first==NULL) { ha->req_first = scp; /* queue was empty */ @@ -2265,7 +2002,7 @@ static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority) pscp = ha->req_first; nscp = (Scsi_Cmnd *)pscp->SCp.ptr; /* priority: 0-highest,..,0xff-lowest */ - while (nscp && (unchar)nscp->SCp.this_residual <= priority) { + while (nscp && gdth_cmnd_priv(nscp)->priority <= priority) { pscp = nscp; nscp = (Scsi_Cmnd *)pscp->SCp.ptr; } @@ -2280,23 +2017,21 @@ static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority) ++flags; if (max_rq < flags) { max_rq = flags; - TRACE3(("GDT: max_rq = %d\n",(ushort)max_rq)); + TRACE3(("GDT: max_rq = %d\n",(u16)max_rq)); } #endif } -static void gdth_next(int hanum) +static void gdth_next(gdth_ha_str *ha) { - register gdth_ha_str *ha; register Scsi_Cmnd *pscp; register Scsi_Cmnd *nscp; - unchar b, t, l, firsttime; - unchar this_cmd, next_cmd; - ulong flags = 0; + u8 b, t, l, firsttime; + u8 this_cmd, next_cmd; + unsigned long flags = 0; int cmd_index; - TRACE(("gdth_next() hanum %d\n",hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE(("gdth_next() hanum %d\n", ha->hanum)); if (!gdth_polling) spin_lock_irqsave(&ha->smp_lock, flags); @@ -2306,33 +2041,37 @@ static void gdth_next(int hanum) cmd_index = 0; for (nscp = pscp = ha->req_first; nscp; nscp = (Scsi_Cmnd *)nscp->SCp.ptr) { + struct gdth_cmndinfo *nscp_cmndinfo = gdth_cmnd_priv(nscp); if (nscp != pscp && nscp != (Scsi_Cmnd *)pscp->SCp.ptr) pscp = (Scsi_Cmnd *)pscp->SCp.ptr; - b = virt_ctr ? NUMDATA(nscp->device->host)->busnum : nscp->device->channel; - t = nscp->device->id; - l = nscp->device->lun; - if (nscp->SCp.this_residual >= DEFAULT_PRI) { - if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || - (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) - continue; - } + if (!nscp_cmndinfo->internal_command) { + b = nscp->device->channel; + t = nscp->device->id; + l = nscp->device->lun; + if (nscp_cmndinfo->priority >= DEFAULT_PRI) { + if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || + (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) + continue; + } + } else + b = t = l = 0; if (firsttime) { - if (gdth_test_busy(hanum)) { /* controller busy ? */ - TRACE(("gdth_next() controller %d busy !\n",hanum)); + if (gdth_test_busy(ha)) { /* controller busy ? */ + TRACE(("gdth_next() controller %d busy !\n", ha->hanum)); if (!gdth_polling) { spin_unlock_irqrestore(&ha->smp_lock, flags); return; } - while (gdth_test_busy(hanum)) + while (gdth_test_busy(ha)) gdth_delay(1); } firsttime = FALSE; } - if (nscp->done != gdth_scsi_done || nscp->cmnd[0] != 0xff) { - if (nscp->SCp.phase == -1) { - nscp->SCp.phase = CACHESERVICE; /* default: cache svc. */ + if (!nscp_cmndinfo->internal_command) { + if (nscp_cmndinfo->phase == -1) { + nscp_cmndinfo->phase = CACHESERVICE; /* default: cache svc. */ if (nscp->cmnd[0] == TEST_UNIT_READY) { TRACE2(("TEST_UNIT_READY Bus %d Id %d LUN %d\n", b, t, l)); @@ -2345,8 +2084,8 @@ static void gdth_next(int hanum) } else if ((ha->scan_mode & 0x0f) == 1) { if (b == 0 && ((t == 0 && l == 1) || (t == 1 && l == 0))) { - nscp->SCp.sent_command = GDT_SCAN_START; - nscp->SCp.phase = ((ha->scan_mode & 0x10 ? 1:0) << 8) + nscp_cmndinfo->OpCode = GDT_SCAN_START; + nscp_cmndinfo->phase = ((ha->scan_mode & 0x10 ? 1:0) << 8) | SCSIRAWSERVICE; ha->scan_mode = 0x12; TRACE2(("Scan mode: 0x%x (SCAN_START)\n", @@ -2357,8 +2096,8 @@ static void gdth_next(int hanum) } } else if (ha->scan_mode == 0x12) { if (b == ha->bus_cnt && t == ha->tid_cnt-1) { - nscp->SCp.phase = SCSIRAWSERVICE; - nscp->SCp.sent_command = GDT_SCAN_END; + nscp_cmndinfo->phase = SCSIRAWSERVICE; + nscp_cmndinfo->OpCode = GDT_SCAN_END; ha->scan_mode &= 0x10; TRACE2(("Scan mode: 0x%x (SCAN_END)\n", ha->scan_mode)); @@ -2369,18 +2108,18 @@ static void gdth_next(int hanum) nscp->cmnd[0] != READ_CAPACITY && nscp->cmnd[0] != MODE_SENSE && (ha->hdr[t].cluster_type & CLUSTER_DRIVE)) { /* always GDT_CLUST_INFO! */ - nscp->SCp.sent_command = GDT_CLUST_INFO; + nscp_cmndinfo->OpCode = GDT_CLUST_INFO; } } } - if (nscp->SCp.sent_command != -1) { - if ((nscp->SCp.phase & 0xff) == CACHESERVICE) { - if (!(cmd_index=gdth_fill_cache_cmd(hanum,nscp,t))) + if (nscp_cmndinfo->OpCode != -1) { + if ((nscp_cmndinfo->phase & 0xff) == CACHESERVICE) { + if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; next_cmd = FALSE; - } else if ((nscp->SCp.phase & 0xff) == SCSIRAWSERVICE) { - if (!(cmd_index=gdth_fill_raw_cmd(hanum,nscp,BUS_L2P(ha,b)))) + } else if ((nscp_cmndinfo->phase & 0xff) == SCSIRAWSERVICE) { + if (!(cmd_index=gdth_fill_raw_cmd(ha, nscp, BUS_L2P(ha, b)))) this_cmd = FALSE; next_cmd = FALSE; } else { @@ -2388,18 +2127,18 @@ static void gdth_next(int hanum) nscp->sense_buffer[0] = 0x70; nscp->sense_buffer[2] = NOT_READY; nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); - if (!nscp->SCp.have_data_in) - nscp->SCp.have_data_in++; + if (!nscp_cmndinfo->wait_for_completion) + nscp_cmndinfo->wait_for_completion++; else - nscp->scsi_done(nscp); + gdth_scsi_done(nscp); } - } else if (nscp->done == gdth_scsi_done && nscp->cmnd[0] == 0xff) { - if (!(cmd_index=gdth_special_cmd(hanum,nscp))) + } else if (gdth_cmnd_priv(nscp)->internal_command) { + if (!(cmd_index=gdth_special_cmd(ha, nscp))) this_cmd = FALSE; next_cmd = FALSE; } else if (b != ha->virt_bus) { if (ha->raw[BUS_L2P(ha,b)].io_cnt[t] >= GDTH_MAX_RAW || - !(cmd_index=gdth_fill_raw_cmd(hanum,nscp,BUS_L2P(ha,b)))) + !(cmd_index=gdth_fill_raw_cmd(ha, nscp, BUS_L2P(ha, b)))) this_cmd = FALSE; else ha->raw[BUS_L2P(ha,b)].io_cnt[t]++; @@ -2407,10 +2146,10 @@ static void gdth_next(int hanum) TRACE2(("Command 0x%x to bus %d id %d lun %d -> IGNORE\n", nscp->cmnd[0], b, t, l)); nscp->result = DID_BAD_TARGET << 16; - if (!nscp->SCp.have_data_in) - nscp->SCp.have_data_in++; + if (!nscp_cmndinfo->wait_for_completion) + nscp_cmndinfo->wait_for_completion++; else - nscp->scsi_done(nscp); + gdth_scsi_done(nscp); } else { switch (nscp->cmnd[0]) { case TEST_UNIT_READY: @@ -2433,12 +2172,12 @@ static void gdth_next(int hanum) nscp->sense_buffer[0] = 0x70; nscp->sense_buffer[2] = UNIT_ATTENTION; nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); - if (!nscp->SCp.have_data_in) - nscp->SCp.have_data_in++; + if (!nscp_cmndinfo->wait_for_completion) + nscp_cmndinfo->wait_for_completion++; else - nscp->scsi_done(nscp); - } else if (gdth_internal_cache_cmd(hanum,nscp)) - nscp->scsi_done(nscp); + gdth_scsi_done(nscp); + } else if (gdth_internal_cache_cmd(ha, nscp)) + gdth_scsi_done(nscp); break; case ALLOW_MEDIUM_REMOVAL: @@ -2449,15 +2188,15 @@ static void gdth_next(int hanum) TRACE(("Prevent r. nonremov. drive->do nothing\n")); nscp->result = DID_OK << 16; nscp->sense_buffer[0] = 0; - if (!nscp->SCp.have_data_in) - nscp->SCp.have_data_in++; + if (!nscp_cmndinfo->wait_for_completion) + nscp_cmndinfo->wait_for_completion++; else - nscp->scsi_done(nscp); + gdth_scsi_done(nscp); } else { nscp->cmnd[3] = (ha->hdr[t].devtype&1) ? 1:0; TRACE(("Prevent/allow r. %d rem. drive %d\n", nscp->cmnd[4],nscp->cmnd[3])); - if (!(cmd_index=gdth_fill_cache_cmd(hanum,nscp,t))) + if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; } break; @@ -2466,7 +2205,7 @@ static void gdth_next(int hanum) case RELEASE: TRACE2(("cache cmd %s\n",nscp->cmnd[0] == RESERVE ? "RESERVE" : "RELEASE")); - if (!(cmd_index=gdth_fill_cache_cmd(hanum,nscp,t))) + if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; break; @@ -2485,11 +2224,11 @@ static void gdth_next(int hanum) nscp->sense_buffer[0] = 0x70; nscp->sense_buffer[2] = UNIT_ATTENTION; nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); - if (!nscp->SCp.have_data_in) - nscp->SCp.have_data_in++; + if (!nscp_cmndinfo->wait_for_completion) + nscp_cmndinfo->wait_for_completion++; else - nscp->scsi_done(nscp); - } else if (!(cmd_index=gdth_fill_cache_cmd(hanum,nscp,t))) + gdth_scsi_done(nscp); + } else if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; break; @@ -2498,12 +2237,12 @@ static void gdth_next(int hanum) nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3], nscp->cmnd[4],nscp->cmnd[5])); printk("GDT-HA %d: Unknown SCSI command 0x%x to cache service !\n", - hanum, nscp->cmnd[0]); + ha->hanum, nscp->cmnd[0]); nscp->result = DID_ABORT << 16; - if (!nscp->SCp.have_data_in) - nscp->SCp.have_data_in++; + if (!nscp_cmndinfo->wait_for_completion) + nscp_cmndinfo->wait_for_completion++; else - nscp->scsi_done(nscp); + gdth_scsi_done(nscp); break; } } @@ -2519,72 +2258,74 @@ static void gdth_next(int hanum) } if (ha->cmd_cnt > 0) { - gdth_release_event(hanum); + gdth_release_event(ha); } if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); if (gdth_polling && ha->cmd_cnt > 0) { - if (!gdth_wait(hanum,cmd_index,POLL_TIMEOUT)) + if (!gdth_wait(ha, cmd_index, POLL_TIMEOUT)) printk("GDT-HA %d: Command %d timed out !\n", - hanum,cmd_index); + ha->hanum, cmd_index); } } - -static void gdth_copy_internal_data(int hanum,Scsi_Cmnd *scp, - char *buffer,ushort count) + +/* + * gdth_copy_internal_data() - copy to/from a buffer onto a scsi_cmnd's + * buffers, kmap_atomic() as needed. + */ +static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp, + char *buffer, u16 count) { - ushort cpcount,i; - ushort cpsum,cpnow; + u16 cpcount,i, max_sg = scsi_sg_count(scp); + u16 cpsum,cpnow; struct scatterlist *sl; - gdth_ha_str *ha; char *address; - cpcount = count<=(ushort)scp->bufflen ? count:(ushort)scp->bufflen; - ha = HADATA(gdth_ctr_tab[hanum]); + cpcount = min_t(u16, count, scsi_bufflen(scp)); - if (scp->use_sg) { - sl = (struct scatterlist *)scp->request_buffer; - for (i=0,cpsum=0; i<scp->use_sg; ++i,++sl) { - unsigned long flags; - cpnow = (ushort)sl->length; + if (cpcount) { + cpsum=0; + scsi_for_each_sg(scp, sl, max_sg, i) { + unsigned long flags; + cpnow = (u16)sl->length; TRACE(("copy_internal() now %d sum %d count %d %d\n", - cpnow,cpsum,cpcount,(ushort)scp->bufflen)); + cpnow, cpsum, cpcount, scsi_bufflen(scp))); if (cpsum+cpnow > cpcount) cpnow = cpcount - cpsum; cpsum += cpnow; - if (!sl->page) { + if (!sg_page(sl)) { printk("GDT-HA %d: invalid sc/gt element in gdth_copy_internal_data()\n", - hanum); + ha->hanum); return; } - local_irq_save(flags); - address = kmap_atomic(sl->page, KM_BIO_SRC_IRQ) + sl->offset; - memcpy(address,buffer,cpnow); - flush_dcache_page(sl->page); - kunmap_atomic(address, KM_BIO_SRC_IRQ); - local_irq_restore(flags); + local_irq_save(flags); + address = kmap_atomic(sg_page(sl)) + sl->offset; + memcpy(address, buffer, cpnow); + flush_dcache_page(sg_page(sl)); + kunmap_atomic(address); + local_irq_restore(flags); if (cpsum == cpcount) break; buffer += cpnow; } - } else { - TRACE(("copy_internal() count %d\n",cpcount)); - memcpy((char*)scp->request_buffer,buffer,cpcount); + } else if (count) { + printk("GDT-HA %d: SCSI command with no buffers but data transfer expected!\n", + ha->hanum); + WARN_ON(1); } } -static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp) +static int gdth_internal_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp) { - register gdth_ha_str *ha; - unchar t; + u8 t; gdth_inq_data inq; gdth_rdcap_data rdc; gdth_sense_data sd; gdth_modep_data mpd; + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); - ha = HADATA(gdth_ctr_tab[hanum]); t = scp->device->id; TRACE(("gdth_internal_cache_cmd() cmd 0x%x hdrive %d\n", scp->cmnd[0],t)); @@ -2615,7 +2356,7 @@ static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp) strcpy(inq.vendor,ha->oem_name); sprintf(inq.product,"Host Drive #%02d",t); strcpy(inq.revision," "); - gdth_copy_internal_data(hanum,scp,(char*)&inq,sizeof(gdth_inq_data)); + gdth_copy_internal_data(ha, scp, (char*)&inq, sizeof(gdth_inq_data)); break; case REQUEST_SENSE: @@ -2625,7 +2366,7 @@ static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp) sd.key = NO_SENSE; sd.info = 0; sd.add_length= 0; - gdth_copy_internal_data(hanum,scp,(char*)&sd,sizeof(gdth_sense_data)); + gdth_copy_internal_data(ha, scp, (char*)&sd, sizeof(gdth_sense_data)); break; case MODE_SENSE: @@ -2637,17 +2378,17 @@ static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp) mpd.bd.block_length[0] = (SECTOR_SIZE & 0x00ff0000) >> 16; mpd.bd.block_length[1] = (SECTOR_SIZE & 0x0000ff00) >> 8; mpd.bd.block_length[2] = (SECTOR_SIZE & 0x000000ff); - gdth_copy_internal_data(hanum,scp,(char*)&mpd,sizeof(gdth_modep_data)); + gdth_copy_internal_data(ha, scp, (char*)&mpd, sizeof(gdth_modep_data)); break; case READ_CAPACITY: TRACE2(("Read capacity hdrive %d\n",t)); - if (ha->hdr[t].size > (ulong64)0xffffffff) + if (ha->hdr[t].size > (u64)0xffffffff) rdc.last_block_no = 0xffffffff; else rdc.last_block_no = cpu_to_be32(ha->hdr[t].size-1); rdc.block_length = cpu_to_be32(SECTOR_SIZE); - gdth_copy_internal_data(hanum,scp,(char*)&rdc,sizeof(gdth_rdcap_data)); + gdth_copy_internal_data(ha, scp, (char*)&rdc, sizeof(gdth_rdcap_data)); break; case SERVICE_ACTION_IN: @@ -2658,7 +2399,8 @@ static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp) TRACE2(("Read capacity (16) hdrive %d\n",t)); rdc16.last_block_no = cpu_to_be64(ha->hdr[t].size-1); rdc16.block_length = cpu_to_be32(SECTOR_SIZE); - gdth_copy_internal_data(hanum,scp,(char*)&rdc16,sizeof(gdth_rdcap16_data)); + gdth_copy_internal_data(ha, scp, (char*)&rdc16, + sizeof(gdth_rdcap16_data)); } else { scp->result = DID_ABORT << 16; } @@ -2669,27 +2411,22 @@ static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp) break; } - if (!scp->SCp.have_data_in) - scp->SCp.have_data_in++; + if (!cmndinfo->wait_for_completion) + cmndinfo->wait_for_completion++; else return 1; return 0; } - -static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) + +static int gdth_fill_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, u16 hdrive) { - register gdth_ha_str *ha; register gdth_cmd_str *cmdp; - struct scatterlist *sl; - ulong32 cnt, blockcnt; - ulong64 no, blockno; - dma_addr_t phys_addr; + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); + u32 cnt, blockcnt; + u64 no, blockno; int i, cmd_index, read_write, sgcnt, mode64; - struct page *page; - ulong offset; - ha = HADATA(gdth_ctr_tab[hanum]); cmdp = ha->pccb; TRACE(("gdth_fill_cache_cmd() cmd 0x%x cmdsize %d hdrive %d\n", scp->cmnd[0],scp->cmd_len,hdrive)); @@ -2705,18 +2442,18 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) cmdp->Service = CACHESERVICE; cmdp->RequestBuffer = scp; /* search free command index */ - if (!(cmd_index=gdth_get_cmd_index(hanum))) { + if (!(cmd_index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } /* if it's the first command, set command semaphore */ if (ha->cmd_cnt == 0) - gdth_set_sema0(hanum); + gdth_set_sema0(ha); /* fill command */ read_write = 0; - if (scp->SCp.sent_command != -1) - cmdp->OpCode = scp->SCp.sent_command; /* special cache cmd. */ + if (cmndinfo->OpCode != -1) + cmdp->OpCode = cmndinfo->OpCode; /* special cache cmd. */ else if (scp->cmnd[0] == RESERVE) cmdp->OpCode = GDT_RESERVE_DRV; else if (scp->cmnd[0] == RELEASE) @@ -2755,17 +2492,17 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) if (read_write) { if (scp->cmd_len == 16) { - memcpy(&no, &scp->cmnd[2], sizeof(ulong64)); + memcpy(&no, &scp->cmnd[2], sizeof(u64)); blockno = be64_to_cpu(no); - memcpy(&cnt, &scp->cmnd[10], sizeof(ulong32)); + memcpy(&cnt, &scp->cmnd[10], sizeof(u32)); blockcnt = be32_to_cpu(cnt); } else if (scp->cmd_len == 10) { - memcpy(&no, &scp->cmnd[2], sizeof(ulong32)); + memcpy(&no, &scp->cmnd[2], sizeof(u32)); blockno = be32_to_cpu(no); - memcpy(&cnt, &scp->cmnd[7], sizeof(ushort)); + memcpy(&cnt, &scp->cmnd[7], sizeof(u16)); blockcnt = be16_to_cpu(cnt); } else { - memcpy(&no, &scp->cmnd[0], sizeof(ulong32)); + memcpy(&no, &scp->cmnd[0], sizeof(u32)); blockno = be32_to_cpu(no) & 0x001fffffUL; blockcnt= scp->cmnd[4]==0 ? 0x100 : scp->cmnd[4]; } @@ -2773,24 +2510,24 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) cmdp->u.cache64.BlockNo = blockno; cmdp->u.cache64.BlockCnt = blockcnt; } else { - cmdp->u.cache.BlockNo = (ulong32)blockno; + cmdp->u.cache.BlockNo = (u32)blockno; cmdp->u.cache.BlockCnt = blockcnt; } - if (scp->use_sg) { - sl = (struct scatterlist *)scp->request_buffer; - sgcnt = scp->use_sg; - scp->SCp.Status = GDTH_MAP_SG; - scp->SCp.Message = (read_write == 1 ? + if (scsi_bufflen(scp)) { + cmndinfo->dma_dir = (read_write == 1 ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); - sgcnt = pci_map_sg(ha->pdev,sl,scp->use_sg,scp->SCp.Message); + sgcnt = pci_map_sg(ha->pdev, scsi_sglist(scp), scsi_sg_count(scp), + cmndinfo->dma_dir); if (mode64) { - cmdp->u.cache64.DestAddr= (ulong64)-1; + struct scatterlist *sl; + + cmdp->u.cache64.DestAddr= (u64)-1; cmdp->u.cache64.sg_canz = sgcnt; - for (i=0; i<sgcnt; ++i,++sl) { + scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.cache64.sg_lst[i].sg_ptr = sg_dma_address(sl); #ifdef GDTH_DMA_STATISTICS - if (cmdp->u.cache64.sg_lst[i].sg_ptr > (ulong64)0xffffffff) + if (cmdp->u.cache64.sg_lst[i].sg_ptr > (u64)0xffffffff) ha->dma64_cnt++; else ha->dma32_cnt++; @@ -2798,9 +2535,11 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) cmdp->u.cache64.sg_lst[i].sg_len = sg_dma_len(sl); } } else { + struct scatterlist *sl; + cmdp->u.cache.DestAddr= 0xffffffff; cmdp->u.cache.sg_canz = sgcnt; - for (i=0; i<sgcnt; ++i,++sl) { + scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.cache.sg_lst[i].sg_ptr = sg_dma_address(sl); #ifdef GDTH_DMA_STATISTICS ha->dma32_cnt++; @@ -2810,44 +2549,12 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) } #ifdef GDTH_STATISTICS - if (max_sg < (ulong32)sgcnt) { - max_sg = (ulong32)sgcnt; + if (max_sg < (u32)sgcnt) { + max_sg = (u32)sgcnt; TRACE3(("GDT: max_sg = %d\n",max_sg)); } #endif - } else { - scp->SCp.Status = GDTH_MAP_SINGLE; - scp->SCp.Message = (read_write == 1 ? - PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE); - page = virt_to_page(scp->request_buffer); - offset = (ulong)scp->request_buffer & ~PAGE_MASK; - phys_addr = pci_map_page(ha->pdev,page,offset, - scp->request_bufflen,scp->SCp.Message); - scp->SCp.dma_handle = phys_addr; - if (mode64) { - if (ha->cache_feat & SCATTER_GATHER) { - cmdp->u.cache64.DestAddr = (ulong64)-1; - cmdp->u.cache64.sg_canz = 1; - cmdp->u.cache64.sg_lst[0].sg_ptr = phys_addr; - cmdp->u.cache64.sg_lst[0].sg_len = scp->request_bufflen; - cmdp->u.cache64.sg_lst[1].sg_len = 0; - } else { - cmdp->u.cache64.DestAddr = phys_addr; - cmdp->u.cache64.sg_canz= 0; - } - } else { - if (ha->cache_feat & SCATTER_GATHER) { - cmdp->u.cache.DestAddr = 0xffffffff; - cmdp->u.cache.sg_canz = 1; - cmdp->u.cache.sg_lst[0].sg_ptr = phys_addr; - cmdp->u.cache.sg_lst[0].sg_len = scp->request_bufflen; - cmdp->u.cache.sg_lst[1].sg_len = 0; - } else { - cmdp->u.cache.DestAddr = phys_addr; - cmdp->u.cache.sg_canz= 0; - } - } } } /* evaluate command size, check space */ @@ -2859,7 +2566,7 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) TRACE(("cache cmd: cmd %d blockno. %d, blockcnt %d\n", cmdp->OpCode,cmdp->u.cache64.BlockNo,cmdp->u.cache64.BlockCnt)); ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache64.sg_lst) + - (ushort)cmdp->u.cache64.sg_canz * sizeof(gdth_sg64_str); + (u16)cmdp->u.cache64.sg_canz * sizeof(gdth_sg64_str); } else { TRACE(("cache cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n", cmdp->u.cache.DestAddr,cmdp->u.cache.sg_canz, @@ -2868,7 +2575,7 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) TRACE(("cache cmd: cmd %d blockno. %d, blockcnt %d\n", cmdp->OpCode,cmdp->u.cache.BlockNo,cmdp->u.cache.BlockCnt)); ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache.sg_lst) + - (ushort)cmdp->u.cache.sg_canz * sizeof(gdth_sg_str); + (u16)cmdp->u.cache.sg_canz * sizeof(gdth_sg_str); } if (ha->cmd_len & 3) ha->cmd_len += (4 - (ha->cmd_len & 3)); @@ -2883,23 +2590,21 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) } /* copy command */ - gdth_copy_command(hanum); + gdth_copy_command(ha); return cmd_index; } -static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) +static int gdth_fill_raw_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, u8 b) { - register gdth_ha_str *ha; register gdth_cmd_str *cmdp; - struct scatterlist *sl; - ushort i; - dma_addr_t phys_addr, sense_paddr; + u16 i; + dma_addr_t sense_paddr; int cmd_index, sgcnt, mode64; - unchar t,l; + u8 t,l; struct page *page; - ulong offset; + unsigned long offset; + struct gdth_cmndinfo *cmndinfo; - ha = HADATA(gdth_ctr_tab[hanum]); t = scp->device->id; l = scp->device->lun; cmdp = ha->pccb; @@ -2914,26 +2619,27 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) cmdp->Service = SCSIRAWSERVICE; cmdp->RequestBuffer = scp; /* search free command index */ - if (!(cmd_index=gdth_get_cmd_index(hanum))) { + if (!(cmd_index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } /* if it's the first command, set command semaphore */ if (ha->cmd_cnt == 0) - gdth_set_sema0(hanum); + gdth_set_sema0(ha); + cmndinfo = gdth_cmnd_priv(scp); /* fill command */ - if (scp->SCp.sent_command != -1) { - cmdp->OpCode = scp->SCp.sent_command; /* special raw cmd. */ + if (cmndinfo->OpCode != -1) { + cmdp->OpCode = cmndinfo->OpCode; /* special raw cmd. */ cmdp->BoardNode = LOCALBOARD; if (mode64) { - cmdp->u.raw64.direction = (scp->SCp.phase >> 8); + cmdp->u.raw64.direction = (cmndinfo->phase >> 8); TRACE2(("special raw cmd 0x%x param 0x%x\n", cmdp->OpCode, cmdp->u.raw64.direction)); /* evaluate command size */ ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst); } else { - cmdp->u.raw.direction = (scp->SCp.phase >> 8); + cmdp->u.raw.direction = (cmndinfo->phase >> 8); TRACE2(("special raw cmd 0x%x param 0x%x\n", cmdp->OpCode, cmdp->u.raw.direction)); /* evaluate command size */ @@ -2942,12 +2648,11 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) } else { page = virt_to_page(scp->sense_buffer); - offset = (ulong)scp->sense_buffer & ~PAGE_MASK; + offset = (unsigned long)scp->sense_buffer & ~PAGE_MASK; sense_paddr = pci_map_page(ha->pdev,page,offset, 16,PCI_DMA_FROMDEVICE); - scp->SCp.buffer = (struct scatterlist *)((ulong32)sense_paddr); - /* high part, if 64bit */ - scp->host_scribble = (char *)(ulong32)((ulong64)sense_paddr >> 32); + + cmndinfo->sense_paddr = sense_paddr; cmdp->OpCode = GDT_WRITE; /* always */ cmdp->BoardNode = LOCALBOARD; if (mode64) { @@ -2959,12 +2664,13 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) cmdp->u.raw64.lun = l; cmdp->u.raw64.bus = b; cmdp->u.raw64.priority = 0; - cmdp->u.raw64.sdlen = scp->request_bufflen; + cmdp->u.raw64.sdlen = scsi_bufflen(scp); cmdp->u.raw64.sense_len = 16; cmdp->u.raw64.sense_data = sense_paddr; cmdp->u.raw64.direction = gdth_direction_tab[scp->cmnd[0]]==DOU ? GDTH_DATA_OUT:GDTH_DATA_IN; memcpy(cmdp->u.raw64.cmd,scp->cmnd,16); + cmdp->u.raw64.sg_ranz = 0; } else { cmdp->u.raw.reserved = 0; cmdp->u.raw.mdisc_time = 0; @@ -2975,27 +2681,28 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) cmdp->u.raw.bus = b; cmdp->u.raw.priority = 0; cmdp->u.raw.link_p = 0; - cmdp->u.raw.sdlen = scp->request_bufflen; + cmdp->u.raw.sdlen = scsi_bufflen(scp); cmdp->u.raw.sense_len = 16; cmdp->u.raw.sense_data = sense_paddr; cmdp->u.raw.direction = gdth_direction_tab[scp->cmnd[0]]==DOU ? GDTH_DATA_OUT:GDTH_DATA_IN; memcpy(cmdp->u.raw.cmd,scp->cmnd,12); + cmdp->u.raw.sg_ranz = 0; } - if (scp->use_sg) { - sl = (struct scatterlist *)scp->request_buffer; - sgcnt = scp->use_sg; - scp->SCp.Status = GDTH_MAP_SG; - scp->SCp.Message = PCI_DMA_BIDIRECTIONAL; - sgcnt = pci_map_sg(ha->pdev,sl,scp->use_sg,scp->SCp.Message); + if (scsi_bufflen(scp)) { + cmndinfo->dma_dir = PCI_DMA_BIDIRECTIONAL; + sgcnt = pci_map_sg(ha->pdev, scsi_sglist(scp), scsi_sg_count(scp), + cmndinfo->dma_dir); if (mode64) { - cmdp->u.raw64.sdata = (ulong64)-1; + struct scatterlist *sl; + + cmdp->u.raw64.sdata = (u64)-1; cmdp->u.raw64.sg_ranz = sgcnt; - for (i=0; i<sgcnt; ++i,++sl) { + scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.raw64.sg_lst[i].sg_ptr = sg_dma_address(sl); #ifdef GDTH_DMA_STATISTICS - if (cmdp->u.raw64.sg_lst[i].sg_ptr > (ulong64)0xffffffff) + if (cmdp->u.raw64.sg_lst[i].sg_ptr > (u64)0xffffffff) ha->dma64_cnt++; else ha->dma32_cnt++; @@ -3003,9 +2710,11 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) cmdp->u.raw64.sg_lst[i].sg_len = sg_dma_len(sl); } } else { + struct scatterlist *sl; + cmdp->u.raw.sdata = 0xffffffff; cmdp->u.raw.sg_ranz = sgcnt; - for (i=0; i<sgcnt; ++i,++sl) { + scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.raw.sg_lst[i].sg_ptr = sg_dma_address(sl); #ifdef GDTH_DMA_STATISTICS ha->dma32_cnt++; @@ -3021,38 +2730,6 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) } #endif - } else { - scp->SCp.Status = GDTH_MAP_SINGLE; - scp->SCp.Message = PCI_DMA_BIDIRECTIONAL; - page = virt_to_page(scp->request_buffer); - offset = (ulong)scp->request_buffer & ~PAGE_MASK; - phys_addr = pci_map_page(ha->pdev,page,offset, - scp->request_bufflen,scp->SCp.Message); - scp->SCp.dma_handle = phys_addr; - - if (mode64) { - if (ha->raw_feat & SCATTER_GATHER) { - cmdp->u.raw64.sdata = (ulong64)-1; - cmdp->u.raw64.sg_ranz= 1; - cmdp->u.raw64.sg_lst[0].sg_ptr = phys_addr; - cmdp->u.raw64.sg_lst[0].sg_len = scp->request_bufflen; - cmdp->u.raw64.sg_lst[1].sg_len = 0; - } else { - cmdp->u.raw64.sdata = phys_addr; - cmdp->u.raw64.sg_ranz= 0; - } - } else { - if (ha->raw_feat & SCATTER_GATHER) { - cmdp->u.raw.sdata = 0xffffffff; - cmdp->u.raw.sg_ranz= 1; - cmdp->u.raw.sg_lst[0].sg_ptr = phys_addr; - cmdp->u.raw.sg_lst[0].sg_len = scp->request_bufflen; - cmdp->u.raw.sg_lst[1].sg_len = 0; - } else { - cmdp->u.raw.sdata = phys_addr; - cmdp->u.raw.sg_ranz= 0; - } - } } if (mode64) { TRACE(("raw cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n", @@ -3061,7 +2738,7 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) cmdp->u.raw64.sg_lst[0].sg_len)); /* evaluate command size */ ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst) + - (ushort)cmdp->u.raw64.sg_ranz * sizeof(gdth_sg64_str); + (u16)cmdp->u.raw64.sg_ranz * sizeof(gdth_sg64_str); } else { TRACE(("raw cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n", cmdp->u.raw.sdata,cmdp->u.raw.sg_ranz, @@ -3069,7 +2746,7 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) cmdp->u.raw.sg_lst[0].sg_len)); /* evaluate command size */ ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst) + - (ushort)cmdp->u.raw.sg_ranz * sizeof(gdth_sg_str); + (u16)cmdp->u.raw.sg_ranz * sizeof(gdth_sg_str); } } /* check space */ @@ -3086,41 +2763,40 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) } /* copy command */ - gdth_copy_command(hanum); + gdth_copy_command(ha); return cmd_index; } -static int gdth_special_cmd(int hanum,Scsi_Cmnd *scp) +static int gdth_special_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp) { - register gdth_ha_str *ha; register gdth_cmd_str *cmdp; + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); int cmd_index; - ha = HADATA(gdth_ctr_tab[hanum]); cmdp= ha->pccb; TRACE2(("gdth_special_cmd(): ")); if (ha->type==GDT_EISA && ha->cmd_cnt>0) return 0; - memcpy( cmdp, scp->request_buffer, sizeof(gdth_cmd_str)); + *cmdp = *cmndinfo->internal_cmd_str; cmdp->RequestBuffer = scp; /* search free command index */ - if (!(cmd_index=gdth_get_cmd_index(hanum))) { + if (!(cmd_index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } /* if it's the first command, set command semaphore */ if (ha->cmd_cnt == 0) - gdth_set_sema0(hanum); + gdth_set_sema0(ha); /* evaluate command size, check space */ if (cmdp->OpCode == GDT_IOCTL) { TRACE2(("IOCTL\n")); ha->cmd_len = - GDTOFFSOF(gdth_cmd_str,u.ioctl.p_param) + sizeof(ulong64); + GDTOFFSOF(gdth_cmd_str,u.ioctl.p_param) + sizeof(u64); } else if (cmdp->Service == CACHESERVICE) { TRACE2(("cache command %d\n",cmdp->OpCode)); if (ha->cache_feat & GDT_64BIT) @@ -3152,14 +2828,14 @@ static int gdth_special_cmd(int hanum,Scsi_Cmnd *scp) } /* copy command */ - gdth_copy_command(hanum); + gdth_copy_command(ha); return cmd_index; } /* Controller event handling functions */ -static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, ushort source, - ushort idx, gdth_evt_data *evt) +static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, u16 source, + u16 idx, gdth_evt_data *evt) { gdth_evt_str *e; struct timeval tv; @@ -3208,7 +2884,7 @@ static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr) { gdth_evt_str *e; int eindex; - ulong flags; + unsigned long flags; TRACE2(("gdth_read_event() handle %d\n", handle)); spin_lock_irqsave(&ha->smp_lock, flags); @@ -3218,7 +2894,7 @@ static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr) eindex = handle; estr->event_source = 0; - if (eindex >= MAX_EVENTS) { + if (eindex < 0 || eindex >= MAX_EVENTS) { spin_unlock_irqrestore(&ha->smp_lock, flags); return eindex; } @@ -3237,12 +2913,12 @@ static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr) } static void gdth_readapp_event(gdth_ha_str *ha, - unchar application, gdth_evt_str *estr) + u8 application, gdth_evt_str *estr) { gdth_evt_str *e; int eindex; - ulong flags; - unchar found = FALSE; + unsigned long flags; + u8 found = FALSE; TRACE2(("gdth_readapp_event() app. %d\n", application)); spin_lock_irqsave(&ha->smp_lock, flags); @@ -3279,18 +2955,17 @@ static void gdth_clear_events(void) /* SCSI interface functions */ -static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) +static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, + int gdth_from_wait, int* pIndex) { - gdth_ha_str *ha2 = (gdth_ha_str *)dev_id; - register gdth_ha_str *ha; gdt6m_dpram_str __iomem *dp6m_ptr = NULL; gdt6_dpram_str __iomem *dp6_ptr; gdt2_dpram_str __iomem *dp2_ptr; Scsi_Cmnd *scp; - int hanum, rval, i; - unchar IStatus; - ushort Service; - ulong flags = 0; + int rval, i; + u8 IStatus; + u16 Service; + unsigned long flags = 0; #ifdef INT_COAL int coalesced = FALSE; int next = FALSE; @@ -3298,7 +2973,7 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) int act_int_coal = 0; #endif - TRACE(("gdth_interrupt() IRQ %d\n",irq)); + TRACE(("gdth_interrupt() IRQ %d\n", ha->irq)); /* if polling and not from gdth_wait() -> return */ if (gdth_polling) { @@ -3308,17 +2983,16 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) } if (!gdth_polling) - spin_lock_irqsave(&ha2->smp_lock, flags); - wait_index = 0; + spin_lock_irqsave(&ha->smp_lock, flags); /* search controller */ - if ((hanum = gdth_get_status(&IStatus,irq)) == -1) { + IStatus = gdth_get_status(ha); + if (IStatus == 0) { /* spurious interrupt */ if (!gdth_polling) - spin_unlock_irqrestore(&ha2->smp_lock, flags); - return IRQ_HANDLED; + spin_unlock_irqrestore(&ha->smp_lock, flags); + return IRQ_HANDLED; } - ha = HADATA(gdth_ctr_tab[hanum]); #ifdef GDTH_STATISTICS ++act_ints; @@ -3338,7 +3012,7 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) if (coalesced) { /* For coalesced requests all status information is found in the status buffer */ - IStatus = (unchar)(pcs->status & 0xff); + IStatus = (u8)(pcs->status & 0xff); } #endif @@ -3359,32 +3033,32 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) dp2_ptr = ha->brd; if (IStatus & 0x80) { /* error flag */ IStatus &= ~0x80; - ha->status = gdth_readw(&dp2_ptr->u.ic.Status); + ha->status = readw(&dp2_ptr->u.ic.Status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status)); } else /* no error */ ha->status = S_OK; - ha->info = gdth_readl(&dp2_ptr->u.ic.Info[0]); - ha->service = gdth_readw(&dp2_ptr->u.ic.Service); - ha->info2 = gdth_readl(&dp2_ptr->u.ic.Info[1]); + ha->info = readl(&dp2_ptr->u.ic.Info[0]); + ha->service = readw(&dp2_ptr->u.ic.Service); + ha->info2 = readl(&dp2_ptr->u.ic.Info[1]); - gdth_writeb(0xff, &dp2_ptr->io.irqdel); /* acknowledge interrupt */ - gdth_writeb(0, &dp2_ptr->u.ic.Cmd_Index);/* reset command index */ - gdth_writeb(0, &dp2_ptr->io.Sema1); /* reset status semaphore */ + writeb(0xff, &dp2_ptr->io.irqdel); /* acknowledge interrupt */ + writeb(0, &dp2_ptr->u.ic.Cmd_Index);/* reset command index */ + writeb(0, &dp2_ptr->io.Sema1); /* reset status semaphore */ } else if (ha->type == GDT_PCI) { dp6_ptr = ha->brd; if (IStatus & 0x80) { /* error flag */ IStatus &= ~0x80; - ha->status = gdth_readw(&dp6_ptr->u.ic.Status); + ha->status = readw(&dp6_ptr->u.ic.Status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status)); } else /* no error */ ha->status = S_OK; - ha->info = gdth_readl(&dp6_ptr->u.ic.Info[0]); - ha->service = gdth_readw(&dp6_ptr->u.ic.Service); - ha->info2 = gdth_readl(&dp6_ptr->u.ic.Info[1]); + ha->info = readl(&dp6_ptr->u.ic.Info[0]); + ha->service = readw(&dp6_ptr->u.ic.Service); + ha->info2 = readl(&dp6_ptr->u.ic.Info[1]); - gdth_writeb(0xff, &dp6_ptr->io.irqdel); /* acknowledge interrupt */ - gdth_writeb(0, &dp6_ptr->u.ic.Cmd_Index);/* reset command index */ - gdth_writeb(0, &dp6_ptr->io.Sema1); /* reset status semaphore */ + writeb(0xff, &dp6_ptr->io.irqdel); /* acknowledge interrupt */ + writeb(0, &dp6_ptr->u.ic.Cmd_Index);/* reset command index */ + writeb(0, &dp6_ptr->io.Sema1); /* reset status semaphore */ } else if (ha->type == GDT_PCINEW) { if (IStatus & 0x80) { /* error flag */ IStatus &= ~0x80; @@ -3404,10 +3078,10 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) IStatus &= ~0x80; #ifdef INT_COAL if (coalesced) - ha->status = pcs->ext_status && 0xffff; + ha->status = pcs->ext_status & 0xffff; else #endif - ha->status = gdth_readw(&dp6m_ptr->i960r.status); + ha->status = readw(&dp6m_ptr->i960r.status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status)); } else /* no error */ ha->status = S_OK; @@ -3416,22 +3090,22 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) if (coalesced) { ha->info = pcs->info0; ha->info2 = pcs->info1; - ha->service = (pcs->ext_status >> 16) && 0xffff; + ha->service = (pcs->ext_status >> 16) & 0xffff; } else #endif { - ha->info = gdth_readl(&dp6m_ptr->i960r.info[0]); - ha->service = gdth_readw(&dp6m_ptr->i960r.service); - ha->info2 = gdth_readl(&dp6m_ptr->i960r.info[1]); + ha->info = readl(&dp6m_ptr->i960r.info[0]); + ha->service = readw(&dp6m_ptr->i960r.service); + ha->info2 = readl(&dp6m_ptr->i960r.info[1]); } /* event string */ if (IStatus == ASYNCINDEX) { if (ha->service != SCREENSERVICE && (ha->fw_vers & 0xff) >= 0x1a) { - ha->dvr.severity = gdth_readb + ha->dvr.severity = readb (&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.severity); for (i = 0; i < 256; ++i) { - ha->dvr.event_string[i] = gdth_readb + ha->dvr.event_string[i] = readb (&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.evt_str[i]); if (ha->dvr.event_string[i] == 0) break; @@ -3444,13 +3118,13 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) if (!coalesced) #endif { - gdth_writeb(0xff, &dp6m_ptr->i960r.edoor_reg); - gdth_writeb(0, &dp6m_ptr->i960r.sema1_reg); + writeb(0xff, &dp6m_ptr->i960r.edoor_reg); + writeb(0, &dp6m_ptr->i960r.sema1_reg); } } else { TRACE2(("gdth_interrupt() unknown controller type\n")); if (!gdth_polling) - spin_unlock_irqrestore(&ha2->smp_lock, flags); + spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } @@ -3458,26 +3132,25 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) IStatus,ha->status,ha->info)); if (gdth_from_wait) { - wait_hanum = hanum; - wait_index = (int)IStatus; + *pIndex = (int)IStatus; } if (IStatus == ASYNCINDEX) { TRACE2(("gdth_interrupt() async. event\n")); - gdth_async_event(hanum); + gdth_async_event(ha); if (!gdth_polling) - spin_unlock_irqrestore(&ha2->smp_lock, flags); - gdth_next(hanum); + spin_unlock_irqrestore(&ha->smp_lock, flags); + gdth_next(ha); return IRQ_HANDLED; } if (IStatus == SPEZINDEX) { TRACE2(("Service unknown or not initialized !\n")); ha->dvr.size = sizeof(ha->dvr.eu.driver); - ha->dvr.eu.driver.ionode = hanum; + ha->dvr.eu.driver.ionode = ha->hanum; gdth_store_event(ha, ES_DRIVER, 4, &ha->dvr); if (!gdth_polling) - spin_unlock_irqrestore(&ha2->smp_lock, flags); + spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } scp = ha->cmd_tab[IStatus-2].cmnd; @@ -3486,28 +3159,28 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) if (scp == UNUSED_CMND) { TRACE2(("gdth_interrupt() index to unused command (%d)\n",IStatus)); ha->dvr.size = sizeof(ha->dvr.eu.driver); - ha->dvr.eu.driver.ionode = hanum; + ha->dvr.eu.driver.ionode = ha->hanum; ha->dvr.eu.driver.index = IStatus; gdth_store_event(ha, ES_DRIVER, 1, &ha->dvr); if (!gdth_polling) - spin_unlock_irqrestore(&ha2->smp_lock, flags); + spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } if (scp == INTERNAL_CMND) { TRACE(("gdth_interrupt() answer to internal command\n")); if (!gdth_polling) - spin_unlock_irqrestore(&ha2->smp_lock, flags); + spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } TRACE(("gdth_interrupt() sync. status\n")); - rval = gdth_sync_event(hanum,Service,IStatus,scp); + rval = gdth_sync_event(ha,Service,IStatus,scp); if (!gdth_polling) - spin_unlock_irqrestore(&ha2->smp_lock, flags); + spin_unlock_irqrestore(&ha->smp_lock, flags); if (rval == 2) { - gdth_putq(hanum,scp,scp->SCp.this_residual); + gdth_putq(ha, scp, gdth_cmnd_priv(scp)->priority); } else if (rval == 1) { - scp->scsi_done(scp); + gdth_scsi_done(scp); } #ifdef INT_COAL @@ -3518,7 +3191,7 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) ++act_int_coal; if (act_int_coal > max_int_coal) { max_int_coal = act_int_coal; - printk("GDT: max_int_coal = %d\n",(ushort)max_int_coal); + printk("GDT: max_int_coal = %d\n",(u16)max_int_coal); } #endif /* see if there is another status */ @@ -3530,23 +3203,30 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) /* coalescing only for new GDT_PCIMPR controllers available */ if (ha->type == GDT_PCIMPR && coalesced) { - gdth_writeb(0xff, &dp6m_ptr->i960r.edoor_reg); - gdth_writeb(0, &dp6m_ptr->i960r.sema1_reg); + writeb(0xff, &dp6m_ptr->i960r.edoor_reg); + writeb(0, &dp6m_ptr->i960r.sema1_reg); } #endif - gdth_next(hanum); + gdth_next(ha); return IRQ_HANDLED; } -static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) +static irqreturn_t gdth_interrupt(int irq, void *dev_id) +{ + gdth_ha_str *ha = dev_id; + + return __gdth_interrupt(ha, false, NULL); +} + +static int gdth_sync_event(gdth_ha_str *ha, int service, u8 index, + Scsi_Cmnd *scp) { - register gdth_ha_str *ha; gdth_msg_str *msg; gdth_cmd_str *cmdp; - unchar b, t; + u8 b, t; + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); - ha = HADATA(gdth_ctr_tab[hanum]); cmdp = ha->pccb; TRACE(("gdth_sync_event() serv %d status %d\n", service,ha->status)); @@ -3564,12 +3244,12 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) } if (msg->msg_ext && !msg->msg_answer) { - while (gdth_test_busy(hanum)) + while (gdth_test_busy(ha)) gdth_delay(0); cmdp->Service = SCREENSERVICE; cmdp->RequestBuffer = SCREEN_CMND; - gdth_get_cmd_index(hanum); - gdth_set_sema0(hanum); + gdth_get_cmd_index(ha); + gdth_set_sema0(ha); cmdp->OpCode = GDT_READ; cmdp->BoardNode = LOCALBOARD; cmdp->u.screen.reserved = 0; @@ -3577,10 +3257,10 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) cmdp->u.screen.su.msg.msg_addr = ha->msg_phys; ha->cmd_offs_dpmem = 0; ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) - + sizeof(ulong64); + + sizeof(u64); ha->cmd_cnt = 0; - gdth_copy_command(hanum); - gdth_release_event(hanum); + gdth_copy_command(ha); + gdth_release_event(ha); return 0; } @@ -3598,12 +3278,12 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) } msg->msg_ext = 0; msg->msg_answer = 0; - while (gdth_test_busy(hanum)) + while (gdth_test_busy(ha)) gdth_delay(0); cmdp->Service = SCREENSERVICE; cmdp->RequestBuffer = SCREEN_CMND; - gdth_get_cmd_index(hanum); - gdth_set_sema0(hanum); + gdth_get_cmd_index(ha); + gdth_set_sema0(ha); cmdp->OpCode = GDT_WRITE; cmdp->BoardNode = LOCALBOARD; cmdp->u.screen.reserved = 0; @@ -3611,75 +3291,69 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) cmdp->u.screen.su.msg.msg_addr = ha->msg_phys; ha->cmd_offs_dpmem = 0; ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) - + sizeof(ulong64); + + sizeof(u64); ha->cmd_cnt = 0; - gdth_copy_command(hanum); - gdth_release_event(hanum); + gdth_copy_command(ha); + gdth_release_event(ha); return 0; } printk("\n"); } else { - b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; + b = scp->device->channel; t = scp->device->id; - if (scp->SCp.sent_command == -1 && b != ha->virt_bus) { + if (cmndinfo->OpCode == -1 && b != ha->virt_bus) { ha->raw[BUS_L2P(ha,b)].io_cnt[t]--; } /* cache or raw service */ if (ha->status == S_BSY) { TRACE2(("Controller busy -> retry !\n")); - if (scp->SCp.sent_command == GDT_MOUNT) - scp->SCp.sent_command = GDT_CLUST_INFO; + if (cmndinfo->OpCode == GDT_MOUNT) + cmndinfo->OpCode = GDT_CLUST_INFO; /* retry */ return 2; } - if (scp->SCp.Status == GDTH_MAP_SG) - pci_unmap_sg(ha->pdev,scp->request_buffer, - scp->use_sg,scp->SCp.Message); - else if (scp->SCp.Status == GDTH_MAP_SINGLE) - pci_unmap_page(ha->pdev,scp->SCp.dma_handle, - scp->request_bufflen,scp->SCp.Message); - if (scp->SCp.buffer) { - dma_addr_t addr; - addr = (dma_addr_t)(ulong32)scp->SCp.buffer; - if (scp->host_scribble) - addr += (dma_addr_t)((ulong64)(ulong32)scp->host_scribble << 32); - pci_unmap_page(ha->pdev,addr,16,PCI_DMA_FROMDEVICE); - } + if (scsi_bufflen(scp)) + pci_unmap_sg(ha->pdev, scsi_sglist(scp), scsi_sg_count(scp), + cmndinfo->dma_dir); + + if (cmndinfo->sense_paddr) + pci_unmap_page(ha->pdev, cmndinfo->sense_paddr, 16, + PCI_DMA_FROMDEVICE); if (ha->status == S_OK) { - scp->SCp.Status = S_OK; - scp->SCp.Message = ha->info; - if (scp->SCp.sent_command != -1) { + cmndinfo->status = S_OK; + cmndinfo->info = ha->info; + if (cmndinfo->OpCode != -1) { TRACE2(("gdth_sync_event(): special cmd 0x%x OK\n", - scp->SCp.sent_command)); + cmndinfo->OpCode)); /* special commands GDT_CLUST_INFO/GDT_MOUNT ? */ - if (scp->SCp.sent_command == GDT_CLUST_INFO) { - ha->hdr[t].cluster_type = (unchar)ha->info; + if (cmndinfo->OpCode == GDT_CLUST_INFO) { + ha->hdr[t].cluster_type = (u8)ha->info; if (!(ha->hdr[t].cluster_type & CLUSTER_MOUNTED)) { /* NOT MOUNTED -> MOUNT */ - scp->SCp.sent_command = GDT_MOUNT; + cmndinfo->OpCode = GDT_MOUNT; if (ha->hdr[t].cluster_type & CLUSTER_RESERVED) { /* cluster drive RESERVED (on the other node) */ - scp->SCp.phase = -2; /* reservation conflict */ + cmndinfo->phase = -2; /* reservation conflict */ } } else { - scp->SCp.sent_command = -1; + cmndinfo->OpCode = -1; } } else { - if (scp->SCp.sent_command == GDT_MOUNT) { + if (cmndinfo->OpCode == GDT_MOUNT) { ha->hdr[t].cluster_type |= CLUSTER_MOUNTED; ha->hdr[t].media_changed = TRUE; - } else if (scp->SCp.sent_command == GDT_UNMOUNT) { + } else if (cmndinfo->OpCode == GDT_UNMOUNT) { ha->hdr[t].cluster_type &= ~CLUSTER_MOUNTED; ha->hdr[t].media_changed = TRUE; } - scp->SCp.sent_command = -1; + cmndinfo->OpCode = -1; } /* retry */ - scp->SCp.this_residual = HIGH_PRI; + cmndinfo->priority = HIGH_PRI; return 2; } else { /* RESERVE/RELEASE ? */ @@ -3692,17 +3366,17 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) scp->sense_buffer[0] = 0; } } else { - scp->SCp.Status = ha->status; - scp->SCp.Message = ha->info; + cmndinfo->status = ha->status; + cmndinfo->info = ha->info; - if (scp->SCp.sent_command != -1) { + if (cmndinfo->OpCode != -1) { TRACE2(("gdth_sync_event(): special cmd 0x%x error 0x%x\n", - scp->SCp.sent_command, ha->status)); - if (scp->SCp.sent_command == GDT_SCAN_START || - scp->SCp.sent_command == GDT_SCAN_END) { - scp->SCp.sent_command = -1; + cmndinfo->OpCode, ha->status)); + if (cmndinfo->OpCode == GDT_SCAN_START || + cmndinfo->OpCode == GDT_SCAN_END) { + cmndinfo->OpCode = -1; /* retry */ - scp->SCp.this_residual = HIGH_PRI; + cmndinfo->priority = HIGH_PRI; return 2; } memset((char*)scp->sense_buffer,0,16); @@ -3717,16 +3391,16 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) ha->hdr[t].cluster_type &= ~CLUSTER_RESERVED; } memset((char*)scp->sense_buffer,0,16); - if (ha->status == (ushort)S_CACHE_RESERV) { + if (ha->status == (u16)S_CACHE_RESERV) { scp->result = (DID_OK << 16) | (RESERVATION_CONFLICT << 1); } else { scp->sense_buffer[0] = 0x70; scp->sense_buffer[2] = NOT_READY; scp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); } - if (scp->done != gdth_scsi_done) { + if (!cmndinfo->internal_command) { ha->dvr.size = sizeof(ha->dvr.eu.sync); - ha->dvr.eu.sync.ionode = hanum; + ha->dvr.eu.sync.ionode = ha->hanum; ha->dvr.eu.sync.service = service; ha->dvr.eu.sync.status = ha->status; ha->dvr.eu.sync.info = ha->info; @@ -3745,8 +3419,8 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) } } } - if (!scp->SCp.have_data_in) - scp->SCp.have_data_in++; + if (!cmndinfo->wait_for_completion) + cmndinfo->wait_for_completion++; else return 1; } @@ -3910,25 +3584,23 @@ static char *async_cache_tab[] = { }; -static int gdth_async_event(int hanum) +static int gdth_async_event(gdth_ha_str *ha) { - gdth_ha_str *ha; gdth_cmd_str *cmdp; int cmd_index; - ha = HADATA(gdth_ctr_tab[hanum]); cmdp= ha->pccb; TRACE2(("gdth_async_event() ha %d serv %d\n", - hanum,ha->service)); + ha->hanum, ha->service)); if (ha->service == SCREENSERVICE) { if (ha->status == MSG_REQUEST) { - while (gdth_test_busy(hanum)) + while (gdth_test_busy(ha)) gdth_delay(0); cmdp->Service = SCREENSERVICE; cmdp->RequestBuffer = SCREEN_CMND; - cmd_index = gdth_get_cmd_index(hanum); - gdth_set_sema0(hanum); + cmd_index = gdth_get_cmd_index(ha); + gdth_set_sema0(ha); cmdp->OpCode = GDT_READ; cmdp->BoardNode = LOCALBOARD; cmdp->u.screen.reserved = 0; @@ -3936,33 +3608,33 @@ static int gdth_async_event(int hanum) cmdp->u.screen.su.msg.msg_addr = ha->msg_phys; ha->cmd_offs_dpmem = 0; ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) - + sizeof(ulong64); + + sizeof(u64); ha->cmd_cnt = 0; - gdth_copy_command(hanum); + gdth_copy_command(ha); if (ha->type == GDT_EISA) - printk("[EISA slot %d] ",(ushort)ha->brd_phys); + printk("[EISA slot %d] ",(u16)ha->brd_phys); else if (ha->type == GDT_ISA) - printk("[DPMEM 0x%4X] ",(ushort)ha->brd_phys); + printk("[DPMEM 0x%4X] ",(u16)ha->brd_phys); else - printk("[PCI %d/%d] ",(ushort)(ha->brd_phys>>8), - (ushort)((ha->brd_phys>>3)&0x1f)); - gdth_release_event(hanum); + printk("[PCI %d/%d] ",(u16)(ha->brd_phys>>8), + (u16)((ha->brd_phys>>3)&0x1f)); + gdth_release_event(ha); } } else { if (ha->type == GDT_PCIMPR && (ha->fw_vers & 0xff) >= 0x1a) { ha->dvr.size = 0; - ha->dvr.eu.async.ionode = hanum; + ha->dvr.eu.async.ionode = ha->hanum; ha->dvr.eu.async.status = ha->status; /* severity and event_string already set! */ } else { ha->dvr.size = sizeof(ha->dvr.eu.async); - ha->dvr.eu.async.ionode = hanum; + ha->dvr.eu.async.ionode = ha->hanum; ha->dvr.eu.async.service = ha->service; ha->dvr.eu.async.status = ha->status; ha->dvr.eu.async.info = ha->info; - *(ulong32 *)ha->dvr.eu.async.scsi_coord = ha->info2; + *(u32 *)ha->dvr.eu.async.scsi_coord = ha->info2; } gdth_store_event( ha, ES_ASYNC, ha->service, &ha->dvr ); gdth_log_event( &ha->dvr, NULL ); @@ -3970,8 +3642,8 @@ static int gdth_async_event(int hanum) /* new host drive from expand? */ if (ha->service == CACHESERVICE && ha->status == 56) { TRACE2(("gdth_async_event(): new host drive %d created\n", - (ushort)ha->info)); - /* gdth_analyse_hdrive(hanum, (ushort)ha->info); */ + (u16)ha->info)); + /* gdth_analyse_hdrive(hanum, (u16)ha->info); */ } } return 1; @@ -4002,13 +3674,13 @@ static void gdth_log_event(gdth_evt_data *dvr, char *buffer) for (j=0,i=1; i < f[0]; i+=2) { switch (f[i+1]) { case 4: - stack.b[j++] = *(ulong32*)&dvr->eu.stream[(int)f[i]]; + stack.b[j++] = *(u32*)&dvr->eu.stream[(int)f[i]]; break; case 2: - stack.b[j++] = *(ushort*)&dvr->eu.stream[(int)f[i]]; + stack.b[j++] = *(u16*)&dvr->eu.stream[(int)f[i]]; break; case 1: - stack.b[j++] = *(unchar*)&dvr->eu.stream[(int)f[i]]; + stack.b[j++] = *(u8*)&dvr->eu.stream[(int)f[i]]; break; default: break; @@ -4034,15 +3706,21 @@ static void gdth_log_event(gdth_evt_data *dvr, char *buffer) } #ifdef GDTH_STATISTICS -static void gdth_timeout(ulong data) +static u8 gdth_timer_running; + +static void gdth_timeout(unsigned long data) { - ulong32 i; + u32 i; Scsi_Cmnd *nscp; gdth_ha_str *ha; - ulong flags; - int hanum = 0; + unsigned long flags; - ha = HADATA(gdth_ctr_tab[hanum]); + if(unlikely(list_empty(&gdth_instances))) { + gdth_timer_running = 0; + return; + } + + ha = list_first_entry(&gdth_instances, gdth_ha_str, list); spin_lock_irqsave(&ha->smp_lock, flags); for (act_stats=0,i=0; i<GDTH_MAXCMDS; ++i) @@ -4060,6 +3738,22 @@ static void gdth_timeout(ulong data) add_timer(&gdth_timer); spin_unlock_irqrestore(&ha->smp_lock, flags); } + +static void gdth_timer_init(void) +{ + if (gdth_timer_running) + return; + gdth_timer_running = 1; + TRACE2(("gdth_detect(): Initializing timer !\n")); + gdth_timer.expires = jiffies + HZ; + gdth_timer.data = 0L; + gdth_timer.function = gdth_timeout; + add_timer(&gdth_timer); +} +#else +static inline void gdth_timer_init(void) +{ +} #endif static void __init internal_setup(char *str,int *ints) @@ -4105,8 +3799,6 @@ static void __init internal_setup(char *str,int *ints) max_ids = val; else if (!strncmp(argv, "rescan:", 7)) rescan = val; - else if (!strncmp(argv, "virt_ctr:", 9)) - virt_ctr = val; else if (!strncmp(argv, "shared_access:", 14)) shared_access = val; else if (!strncmp(argv, "probe_eisa_isa:", 15)) @@ -4143,7 +3835,7 @@ int __init option_setup(char *str) TRACE2(("option_setup() str %s\n", str ? str:"NULL")); - while (cur && isdigit(*cur) && i <= MAXHA) { + while (cur && isdigit(*cur) && i < MAXHA) { ints[i++] = simple_strtoul(cur, NULL, 0); if ((cur = strchr(cur, ',')) != NULL) cur++; } @@ -4153,518 +3845,10 @@ int __init option_setup(char *str) return 1; } -static int __init gdth_detect(Scsi_Host_Template *shtp) -{ - struct Scsi_Host *shp; - gdth_pci_str pcistr[MAXHA]; - gdth_ha_str *ha; - ulong32 isa_bios; - ushort eisa_slot; - int i,hanum,cnt,ctr,err; - unchar b; - - -#ifdef DEBUG_GDTH - printk("GDT: This driver contains debugging information !! Trace level = %d\n", - DebugState); - printk(" Destination of debugging information: "); -#ifdef __SERIAL__ -#ifdef __COM2__ - printk("Serial port COM2\n"); -#else - printk("Serial port COM1\n"); -#endif -#else - printk("Console\n"); -#endif - gdth_delay(3000); -#endif - - TRACE(("gdth_detect()\n")); - - if (disable) { - printk("GDT-HA: Controller driver disabled from command line !\n"); - return 0; - } - - printk("GDT-HA: Storage RAID Controller Driver. Version: %s \n",GDTH_VERSION_STR); - /* initializations */ - gdth_polling = TRUE; b = 0; - gdth_clear_events(); - - /* As default we do not probe for EISA or ISA controllers */ - if (probe_eisa_isa) { - /* scanning for controllers, at first: ISA controller */ - for (isa_bios=0xc8000UL; isa_bios<=0xd8000UL; isa_bios+=0x8000UL) { - dma_addr_t scratch_dma_handle; - scratch_dma_handle = 0; - - if (gdth_ctr_count >= MAXHA) - break; - if (gdth_search_isa(isa_bios)) { /* controller found */ - shp = scsi_register(shtp,sizeof(gdth_ext_str)); - if (shp == NULL) - continue; - - ha = HADATA(shp); - if (!gdth_init_isa(isa_bios,ha)) { - scsi_unregister(shp); - continue; - } -#ifdef __ia64__ - break; -#else - /* controller found and initialized */ - printk("Configuring GDT-ISA HA at BIOS 0x%05X IRQ %u DRQ %u\n", - isa_bios,ha->irq,ha->drq); - - if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",ha)) { - printk("GDT-ISA: Unable to allocate IRQ\n"); - scsi_unregister(shp); - continue; - } - if (request_dma(ha->drq,"gdth")) { - printk("GDT-ISA: Unable to allocate DMA channel\n"); - free_irq(ha->irq,ha); - scsi_unregister(shp); - continue; - } - set_dma_mode(ha->drq,DMA_MODE_CASCADE); - enable_dma(ha->drq); - shp->unchecked_isa_dma = 1; - shp->irq = ha->irq; - shp->dma_channel = ha->drq; - hanum = gdth_ctr_count; - gdth_ctr_tab[gdth_ctr_count++] = shp; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum= 0; - - ha->pccb = CMDDATA(shp); - ha->ccb_phys = 0L; - ha->pdev = NULL; - ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, - &scratch_dma_handle); - ha->scratch_phys = scratch_dma_handle; - ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), - &scratch_dma_handle); - ha->msg_phys = scratch_dma_handle; -#ifdef INT_COAL - ha->coal_stat = (gdth_coal_status *) - pci_alloc_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, &scratch_dma_handle); - ha->coal_stat_phys = scratch_dma_handle; -#endif - - ha->scratch_busy = FALSE; - ha->req_first = NULL; - ha->tid_cnt = MAX_HDRIVES; - if (max_ids > 0 && max_ids < ha->tid_cnt) - ha->tid_cnt = max_ids; - for (i=0; i<GDTH_MAXCMDS; ++i) - ha->cmd_tab[i].cmnd = UNUSED_CMND; - ha->scan_mode = rescan ? 0x10 : 0; - - if (ha->pscratch == NULL || ha->pmsg == NULL || - !gdth_search_drives(hanum)) { - printk("GDT-ISA: Error during device scan\n"); - --gdth_ctr_count; - --gdth_ctr_vcount; - -#ifdef INT_COAL - if (ha->coal_stat) - pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, ha->coal_stat, - ha->coal_stat_phys); -#endif - if (ha->pscratch) - pci_free_consistent(ha->pdev, GDTH_SCRATCH, - ha->pscratch, ha->scratch_phys); - if (ha->pmsg) - pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), - ha->pmsg, ha->msg_phys); - - free_irq(ha->irq,ha); - scsi_unregister(shp); - continue; - } - if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) - hdr_channel = ha->bus_cnt; - ha->virt_bus = hdr_channel; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) && \ - LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - shp->highmem_io = 0; -#endif - if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) - shp->max_cmd_len = 16; - - shp->max_id = ha->tid_cnt; - shp->max_lun = MAXLUN; - shp->max_channel = virt_ctr ? 0 : ha->bus_cnt; - if (virt_ctr) { - virt_ctr = 1; - /* register addit. SCSI channels as virtual controllers */ - for (b = 1; b < ha->bus_cnt + 1; ++b) { - shp = scsi_register(shtp,sizeof(gdth_num_str)); - shp->unchecked_isa_dma = 1; - shp->irq = ha->irq; - shp->dma_channel = ha->drq; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum = b; - } - } - - spin_lock_init(&ha->smp_lock); - gdth_enable_int(hanum); -#endif /* !__ia64__ */ - } - } - - /* scanning for EISA controllers */ - for (eisa_slot=0x1000; eisa_slot<=0x8000; eisa_slot+=0x1000) { - dma_addr_t scratch_dma_handle; - scratch_dma_handle = 0; - - if (gdth_ctr_count >= MAXHA) - break; - if (gdth_search_eisa(eisa_slot)) { /* controller found */ - shp = scsi_register(shtp,sizeof(gdth_ext_str)); - if (shp == NULL) - continue; - - ha = HADATA(shp); - if (!gdth_init_eisa(eisa_slot,ha)) { - scsi_unregister(shp); - continue; - } - /* controller found and initialized */ - printk("Configuring GDT-EISA HA at Slot %d IRQ %u\n", - eisa_slot>>12,ha->irq); - - if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",ha)) { - printk("GDT-EISA: Unable to allocate IRQ\n"); - scsi_unregister(shp); - continue; - } - shp->unchecked_isa_dma = 0; - shp->irq = ha->irq; - shp->dma_channel = 0xff; - hanum = gdth_ctr_count; - gdth_ctr_tab[gdth_ctr_count++] = shp; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum= 0; - TRACE2(("EISA detect Bus 0: hanum %d\n", - NUMDATA(shp)->hanum)); - - ha->pccb = CMDDATA(shp); - ha->ccb_phys = 0L; - - ha->pdev = NULL; - ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, - &scratch_dma_handle); - ha->scratch_phys = scratch_dma_handle; - ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), - &scratch_dma_handle); - ha->msg_phys = scratch_dma_handle; -#ifdef INT_COAL - ha->coal_stat = (gdth_coal_status *) - pci_alloc_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, &scratch_dma_handle); - ha->coal_stat_phys = scratch_dma_handle; -#endif - ha->ccb_phys = - pci_map_single(ha->pdev,ha->pccb, - sizeof(gdth_cmd_str),PCI_DMA_BIDIRECTIONAL); - ha->scratch_busy = FALSE; - ha->req_first = NULL; - ha->tid_cnt = MAX_HDRIVES; - if (max_ids > 0 && max_ids < ha->tid_cnt) - ha->tid_cnt = max_ids; - for (i=0; i<GDTH_MAXCMDS; ++i) - ha->cmd_tab[i].cmnd = UNUSED_CMND; - ha->scan_mode = rescan ? 0x10 : 0; - - if (ha->pscratch == NULL || ha->pmsg == NULL || - !gdth_search_drives(hanum)) { - printk("GDT-EISA: Error during device scan\n"); - --gdth_ctr_count; - --gdth_ctr_vcount; -#ifdef INT_COAL - if (ha->coal_stat) - pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, ha->coal_stat, - ha->coal_stat_phys); -#endif - if (ha->pscratch) - pci_free_consistent(ha->pdev, GDTH_SCRATCH, - ha->pscratch, ha->scratch_phys); - if (ha->pmsg) - pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), - ha->pmsg, ha->msg_phys); - if (ha->ccb_phys) - pci_unmap_single(ha->pdev,ha->ccb_phys, - sizeof(gdth_cmd_str),PCI_DMA_BIDIRECTIONAL); - free_irq(ha->irq,ha); - scsi_unregister(shp); - continue; - } - if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) - hdr_channel = ha->bus_cnt; - ha->virt_bus = hdr_channel; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) && \ - LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - shp->highmem_io = 0; -#endif - if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) - shp->max_cmd_len = 16; - - shp->max_id = ha->tid_cnt; - shp->max_lun = MAXLUN; - shp->max_channel = virt_ctr ? 0 : ha->bus_cnt; - if (virt_ctr) { - virt_ctr = 1; - /* register addit. SCSI channels as virtual controllers */ - for (b = 1; b < ha->bus_cnt + 1; ++b) { - shp = scsi_register(shtp,sizeof(gdth_num_str)); - shp->unchecked_isa_dma = 0; - shp->irq = ha->irq; - shp->dma_channel = 0xff; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum = b; - } - } - - spin_lock_init(&ha->smp_lock); - gdth_enable_int(hanum); - } - } - } - - /* scanning for PCI controllers */ - cnt = gdth_search_pci(pcistr); - printk("GDT-HA: Found %d PCI Storage RAID Controllers\n",cnt); - gdth_sort_pci(pcistr,cnt); - for (ctr = 0; ctr < cnt; ++ctr) { - dma_addr_t scratch_dma_handle; - scratch_dma_handle = 0; - - if (gdth_ctr_count >= MAXHA) - break; - shp = scsi_register(shtp,sizeof(gdth_ext_str)); - if (shp == NULL) - continue; - - ha = HADATA(shp); - if (!gdth_init_pci(&pcistr[ctr],ha)) { - scsi_unregister(shp); - continue; - } - /* controller found and initialized */ - printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n", - pcistr[ctr].bus,PCI_SLOT(pcistr[ctr].device_fn),ha->irq); - - if (request_irq(ha->irq, gdth_interrupt, - SA_INTERRUPT|SA_SHIRQ, "gdth", ha)) - { - printk("GDT-PCI: Unable to allocate IRQ\n"); - scsi_unregister(shp); - continue; - } - shp->unchecked_isa_dma = 0; - shp->irq = ha->irq; - shp->dma_channel = 0xff; - hanum = gdth_ctr_count; - gdth_ctr_tab[gdth_ctr_count++] = shp; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum= 0; - - ha->pccb = CMDDATA(shp); - ha->ccb_phys = 0L; - - ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, - &scratch_dma_handle); - ha->scratch_phys = scratch_dma_handle; - ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), - &scratch_dma_handle); - ha->msg_phys = scratch_dma_handle; -#ifdef INT_COAL - ha->coal_stat = (gdth_coal_status *) - pci_alloc_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, &scratch_dma_handle); - ha->coal_stat_phys = scratch_dma_handle; -#endif - ha->scratch_busy = FALSE; - ha->req_first = NULL; - ha->tid_cnt = pcistr[ctr].device_id >= 0x200 ? MAXID : MAX_HDRIVES; - if (max_ids > 0 && max_ids < ha->tid_cnt) - ha->tid_cnt = max_ids; - for (i=0; i<GDTH_MAXCMDS; ++i) - ha->cmd_tab[i].cmnd = UNUSED_CMND; - ha->scan_mode = rescan ? 0x10 : 0; - - err = FALSE; - if (ha->pscratch == NULL || ha->pmsg == NULL || - !gdth_search_drives(hanum)) { - err = TRUE; - } else { - if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) - hdr_channel = ha->bus_cnt; - ha->virt_bus = hdr_channel; - - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - scsi_set_pci_device(shp, pcistr[ctr].pdev); -#endif - if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat &GDT_64BIT)|| - /* 64-bit DMA only supported from FW >= x.43 */ - (!ha->dma64_support)) { - if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) { - printk(KERN_WARNING "GDT-PCI %d: Unable to set 32-bit DMA\n", hanum); - err = TRUE; - } - } else { - shp->max_cmd_len = 16; - if (!pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffffffffffffULL)) { - printk("GDT-PCI %d: 64-bit DMA enabled\n", hanum); - } else if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) { - printk(KERN_WARNING "GDT-PCI %d: Unable to set 64/32-bit DMA\n", hanum); - err = TRUE; - } - } - } - - if (err) { - printk("GDT-PCI %d: Error during device scan\n", hanum); - --gdth_ctr_count; - --gdth_ctr_vcount; -#ifdef INT_COAL - if (ha->coal_stat) - pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, ha->coal_stat, - ha->coal_stat_phys); -#endif - if (ha->pscratch) - pci_free_consistent(ha->pdev, GDTH_SCRATCH, - ha->pscratch, ha->scratch_phys); - if (ha->pmsg) - pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), - ha->pmsg, ha->msg_phys); - free_irq(ha->irq,ha); - scsi_unregister(shp); - continue; - } - - shp->max_id = ha->tid_cnt; - shp->max_lun = MAXLUN; - shp->max_channel = virt_ctr ? 0 : ha->bus_cnt; - if (virt_ctr) { - virt_ctr = 1; - /* register addit. SCSI channels as virtual controllers */ - for (b = 1; b < ha->bus_cnt + 1; ++b) { - shp = scsi_register(shtp,sizeof(gdth_num_str)); - shp->unchecked_isa_dma = 0; - shp->irq = ha->irq; - shp->dma_channel = 0xff; - gdth_ctr_vtab[gdth_ctr_vcount++] = shp; - NUMDATA(shp)->hanum = (ushort)hanum; - NUMDATA(shp)->busnum = b; - } - } - - spin_lock_init(&ha->smp_lock); - gdth_enable_int(hanum); - } - - TRACE2(("gdth_detect() %d controller detected\n",gdth_ctr_count)); - if (gdth_ctr_count > 0) { -#ifdef GDTH_STATISTICS - TRACE2(("gdth_detect(): Initializing timer !\n")); - init_timer(&gdth_timer); - gdth_timer.expires = jiffies + HZ; - gdth_timer.data = 0L; - gdth_timer.function = gdth_timeout; - add_timer(&gdth_timer); -#endif - major = register_chrdev(0,"gdth",&gdth_fops); - register_reboot_notifier(&gdth_notifier); - } - gdth_polling = FALSE; - return gdth_ctr_vcount; -} - - -static int gdth_release(struct Scsi_Host *shp) +static const char *gdth_ctr_name(gdth_ha_str *ha) { - int hanum; - gdth_ha_str *ha; - - TRACE2(("gdth_release()\n")); - if (NUMDATA(shp)->busnum == 0) { - hanum = NUMDATA(shp)->hanum; - ha = HADATA(gdth_ctr_tab[hanum]); - if (ha->sdev) { - scsi_free_host_dev(ha->sdev); - ha->sdev = NULL; - } - gdth_flush(hanum); - - if (shp->irq) { - free_irq(shp->irq,ha); - } -#ifndef __ia64__ - if (shp->dma_channel != 0xff) { - free_dma(shp->dma_channel); - } -#endif -#ifdef INT_COAL - if (ha->coal_stat) - pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * - MAXOFFSETS, ha->coal_stat, ha->coal_stat_phys); -#endif - if (ha->pscratch) - pci_free_consistent(ha->pdev, GDTH_SCRATCH, - ha->pscratch, ha->scratch_phys); - if (ha->pmsg) - pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), - ha->pmsg, ha->msg_phys); - if (ha->ccb_phys) - pci_unmap_single(ha->pdev,ha->ccb_phys, - sizeof(gdth_cmd_str),PCI_DMA_BIDIRECTIONAL); - gdth_ctr_released++; - TRACE2(("gdth_release(): HA %d of %d\n", - gdth_ctr_released, gdth_ctr_count)); - - if (gdth_ctr_released == gdth_ctr_count) { -#ifdef GDTH_STATISTICS - del_timer(&gdth_timer); -#endif - unregister_chrdev(major,"gdth"); - unregister_reboot_notifier(&gdth_notifier); - } - } - - scsi_unregister(shp); - return 0; -} - - -static const char *gdth_ctr_name(int hanum) -{ - gdth_ha_str *ha; - TRACE2(("gdth_ctr_name()\n")); - ha = HADATA(gdth_ctr_tab[hanum]); - if (ha->type == GDT_EISA) { switch (ha->stype) { case GDT3_ID: @@ -4677,7 +3861,7 @@ static const char *gdth_ctr_name(int hanum) } else if (ha->type == GDT_ISA) { return("GDT2000/2020"); } else if (ha->type == GDT_PCI) { - switch (ha->stype) { + switch (ha->pdev->device) { case PCI_DEVICE_ID_VORTEX_GDT60x0: return("GDT6000/6020/6050"); case PCI_DEVICE_ID_VORTEX_GDT6000B: @@ -4691,29 +3875,56 @@ static const char *gdth_ctr_name(int hanum) static const char *gdth_info(struct Scsi_Host *shp) { - int hanum; - gdth_ha_str *ha; + gdth_ha_str *ha = shost_priv(shp); TRACE2(("gdth_info()\n")); - hanum = NUMDATA(shp)->hanum; - ha = HADATA(gdth_ctr_tab[hanum]); - return ((const char *)ha->binfo.type_string); } +static enum blk_eh_timer_return gdth_timed_out(struct scsi_cmnd *scp) +{ + gdth_ha_str *ha = shost_priv(scp->device->host); + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); + u8 b, t; + unsigned long flags; + enum blk_eh_timer_return retval = BLK_EH_NOT_HANDLED; + + TRACE(("%s() cmd 0x%x\n", scp->cmnd[0], __func__)); + b = scp->device->channel; + t = scp->device->id; + + /* + * We don't really honor the command timeout, but we try to + * honor 6 times of the actual command timeout! So reset the + * timer if this is less than 6th timeout on this command! + */ + if (++cmndinfo->timeout_count < 6) + retval = BLK_EH_RESET_TIMER; + + /* Reset the timeout if it is locked IO */ + spin_lock_irqsave(&ha->smp_lock, flags); + if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha, b)].lock) || + (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) { + TRACE2(("%s(): locked IO, reset timeout\n", __func__)); + retval = BLK_EH_RESET_TIMER; + } + spin_unlock_irqrestore(&ha->smp_lock, flags); + + return retval; +} + + static int gdth_eh_bus_reset(Scsi_Cmnd *scp) { - int i, hanum; - gdth_ha_str *ha; - ulong flags; + gdth_ha_str *ha = shost_priv(scp->device->host); + int i; + unsigned long flags; Scsi_Cmnd *cmnd; - unchar b; + u8 b; TRACE2(("gdth_eh_bus_reset()\n")); - hanum = NUMDATA(scp->device->host)->hanum; - b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; - ha = HADATA(gdth_ctr_tab[hanum]); + b = scp->device->channel; /* clear command tab */ spin_lock_irqsave(&ha->smp_lock, flags); @@ -4730,9 +3941,9 @@ static int gdth_eh_bus_reset(Scsi_Cmnd *scp) if (ha->hdr[i].present) { spin_lock_irqsave(&ha->smp_lock, flags); gdth_polling = TRUE; - while (gdth_test_busy(hanum)) + while (gdth_test_busy(ha)) gdth_delay(0); - if (gdth_internal_cmd(hanum, CACHESERVICE, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_CLUST_RESET, i, 0, 0)) ha->hdr[i].cluster_type &= ~CLUSTER_RESERVED; gdth_polling = FALSE; @@ -4745,40 +3956,28 @@ static int gdth_eh_bus_reset(Scsi_Cmnd *scp) for (i = 0; i < MAXID; ++i) ha->raw[BUS_L2P(ha,b)].io_cnt[i] = 0; gdth_polling = TRUE; - while (gdth_test_busy(hanum)) + while (gdth_test_busy(ha)) gdth_delay(0); - gdth_internal_cmd(hanum, SCSIRAWSERVICE, GDT_RESET_BUS, + gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESET_BUS, BUS_L2P(ha,b), 0, 0); gdth_polling = FALSE; - spin_unlock_irqrestore(&ha->smp_lock, flags); + spin_unlock_irqrestore(&ha->smp_lock, flags); } return SUCCESS; } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) static int gdth_bios_param(struct scsi_device *sdev,struct block_device *bdev,sector_t cap,int *ip) -#else -static int gdth_bios_param(Disk *disk,kdev_t dev,int *ip) -#endif { - unchar b, t; - int hanum; - gdth_ha_str *ha; + u8 b, t; + gdth_ha_str *ha = shost_priv(sdev->host); struct scsi_device *sd; unsigned capacity; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) sd = sdev; capacity = cap; -#else - sd = disk->device; - capacity = disk->capacity; -#endif - hanum = NUMDATA(sd->host)->hanum; - b = virt_ctr ? NUMDATA(sd->host)->busnum : sd->channel; + b = sd->channel; t = sd->id; - TRACE2(("gdth_bios_param() ha %d bus %d target %d\n", hanum, b, t)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE2(("gdth_bios_param() ha %d bus %d target %d\n", ha->hanum, b, t)); if (b != ha->virt_bus || ha->hdr[t].heads == 0) { /* raw device or host drive without mapping information */ @@ -4796,31 +3995,40 @@ static int gdth_bios_param(Disk *disk,kdev_t dev,int *ip) } -static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *)) +static int gdth_queuecommand_lck(struct scsi_cmnd *scp, + void (*done)(struct scsi_cmnd *)) { - int hanum; - int priority; + gdth_ha_str *ha = shost_priv(scp->device->host); + struct gdth_cmndinfo *cmndinfo; TRACE(("gdth_queuecommand() cmd 0x%x\n", scp->cmnd[0])); - - scp->scsi_done = (void *)done; - scp->SCp.have_data_in = 1; - scp->SCp.phase = -1; - scp->SCp.sent_command = -1; - scp->SCp.Status = GDTH_MAP_NONE; - scp->SCp.buffer = (struct scatterlist *)NULL; - - hanum = NUMDATA(scp->device->host)->hanum; + + cmndinfo = gdth_get_cmndinfo(ha); + BUG_ON(!cmndinfo); + + scp->scsi_done = done; + cmndinfo->timeout_count = 0; + cmndinfo->priority = DEFAULT_PRI; + + return __gdth_queuecommand(ha, scp, cmndinfo); +} + +static DEF_SCSI_QCMD(gdth_queuecommand) + +static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp, + struct gdth_cmndinfo *cmndinfo) +{ + scp->host_scribble = (unsigned char *)cmndinfo; + cmndinfo->wait_for_completion = 1; + cmndinfo->phase = -1; + cmndinfo->OpCode = -1; + #ifdef GDTH_STATISTICS ++act_ios; #endif - priority = DEFAULT_PRI; - if (scp->done == gdth_scsi_done) - priority = scp->SCp.this_residual; - gdth_update_timeout(hanum, scp, scp->timeout_per_command * 6); - gdth_putq( hanum, scp, priority ); - gdth_next( hanum ); + gdth_putq(ha, scp, cmndinfo->priority); + gdth_next(ha); return 0; } @@ -4828,13 +4036,13 @@ static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *)) static int gdth_open(struct inode *inode, struct file *filep) { gdth_ha_str *ha; - int i; - for (i = 0; i < gdth_ctr_count; i++) { - ha = HADATA(gdth_ctr_tab[i]); + mutex_lock(&gdth_mutex); + list_for_each_entry(ha, &gdth_instances, list) { if (!ha->sdev) - ha->sdev = scsi_get_host_dev(gdth_ctr_tab[i]); + ha->sdev = scsi_get_host_dev(ha->shost); } + mutex_unlock(&gdth_mutex); TRACE(("gdth_open()\n")); return 0; @@ -4850,12 +4058,13 @@ static int ioc_event(void __user *arg) { gdth_ioctl_event evt; gdth_ha_str *ha; - ulong flags; + unsigned long flags; - if (copy_from_user(&evt, arg, sizeof(gdth_ioctl_event)) || - evt.ionode >= gdth_ctr_count) + if (copy_from_user(&evt, arg, sizeof(gdth_ioctl_event))) + return -EFAULT; + ha = gdth_find_ha(evt.ionode); + if (!ha) return -EFAULT; - ha = HADATA(gdth_ctr_tab[evt.ionode]); if (evt.erase == 0xff) { if (evt.event.event_source == ES_TEST) @@ -4885,15 +4094,16 @@ static int ioc_event(void __user *arg) static int ioc_lockdrv(void __user *arg) { gdth_ioctl_lockdrv ldrv; - unchar i, j; - ulong flags; + u8 i, j; + unsigned long flags; gdth_ha_str *ha; - if (copy_from_user(&ldrv, arg, sizeof(gdth_ioctl_lockdrv)) || - ldrv.ionode >= gdth_ctr_count) + if (copy_from_user(&ldrv, arg, sizeof(gdth_ioctl_lockdrv))) return -EFAULT; - ha = HADATA(gdth_ctr_tab[ldrv.ionode]); - + ha = gdth_find_ha(ldrv.ionode); + if (!ha) + return -EFAULT; + for (i = 0; i < ldrv.drive_cnt && i < MAX_HDRIVES; ++i) { j = ldrv.drives[i]; if (j >= MAX_HDRIVES || !ha->hdr[j].present) @@ -4902,14 +4112,12 @@ static int ioc_lockdrv(void __user *arg) spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[j].lock = 1; spin_unlock_irqrestore(&ha->smp_lock, flags); - gdth_wait_completion(ldrv.ionode, ha->bus_cnt, j); - gdth_stop_timeout(ldrv.ionode, ha->bus_cnt, j); + gdth_wait_completion(ha, ha->bus_cnt, j); } else { spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[j].lock = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); - gdth_start_timeout(ldrv.ionode, ha->bus_cnt, j); - gdth_next(ldrv.ionode); + gdth_next(ha); } } return 0; @@ -4919,20 +4127,16 @@ static int ioc_resetdrv(void __user *arg, char *cmnd) { gdth_ioctl_reset res; gdth_cmd_str cmd; - int hanum; gdth_ha_str *ha; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif + int rval; if (copy_from_user(&res, arg, sizeof(gdth_ioctl_reset)) || - res.ionode >= gdth_ctr_count || res.number >= MAX_HDRIVES) + res.number >= MAX_HDRIVES) return -EFAULT; - hanum = res.ionode; - ha = HADATA(gdth_ctr_tab[hanum]); - + ha = gdth_find_ha(res.ionode); + if (!ha) + return -EFAULT; + if (!ha->hdr[res.number].present) return 0; memset(&cmd, 0, sizeof(gdth_cmd_str)); @@ -4942,25 +4146,11 @@ static int ioc_resetdrv(void __user *arg, char *cmnd) cmd.u.cache64.DeviceNo = res.number; else cmd.u.cache.DeviceNo = res.number; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - return -ENOMEM; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; - gdth_do_req(srp, &cmd, cmnd, 30); - res.status = (ushort)srp->sr_command->SCp.Status; - scsi_release_request(srp); -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - return -ENOMEM; - scp->cmd_len = 12; - scp->use_sg = 0; - gdth_do_cmd(scp, &cmd, cmnd, 30); - res.status = (ushort)scp->SCp.Status; - scsi_release_command(scp); -#endif + + rval = __gdth_execute(ha->sdev, &cmd, cmnd, 30, NULL); + if (rval < 0) + return rval; + res.status = rval; if (copy_to_user(arg, &res, sizeof(gdth_ioctl_reset))) return -EFAULT; @@ -4971,27 +4161,30 @@ static int ioc_general(void __user *arg, char *cmnd) { gdth_ioctl_general gen; char *buf = NULL; - ulong64 paddr; - int hanum; - gdth_ha_str *ha; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif - - if (copy_from_user(&gen, arg, sizeof(gdth_ioctl_general)) || - gen.ionode >= gdth_ctr_count) + u64 paddr; + gdth_ha_str *ha; + int rval; + + if (copy_from_user(&gen, arg, sizeof(gdth_ioctl_general))) + return -EFAULT; + ha = gdth_find_ha(gen.ionode); + if (!ha) return -EFAULT; - hanum = gen.ionode; - ha = HADATA(gdth_ctr_tab[hanum]); + + if (gen.data_len > INT_MAX) + return -EINVAL; + if (gen.sense_len > INT_MAX) + return -EINVAL; + if (gen.data_len + gen.sense_len > INT_MAX) + return -EINVAL; + if (gen.data_len + gen.sense_len != 0) { - if (!(buf = gdth_ioctl_alloc(hanum, gen.data_len + gen.sense_len, + if (!(buf = gdth_ioctl_alloc(ha, gen.data_len + gen.sense_len, FALSE, &paddr))) return -EFAULT; if (copy_from_user(buf, arg + sizeof(gdth_ioctl_general), gen.data_len + gen.sense_len)) { - gdth_ioctl_free(hanum, gen.data_len+gen.sense_len, buf, paddr); + gdth_ioctl_free(ha, gen.data_len+gen.sense_len, buf, paddr); return -EFAULT; } @@ -5005,7 +4198,7 @@ static int ioc_general(void __user *arg, char *cmnd) gen.command.u.cache64.DeviceNo = gen.command.u.cache.DeviceNo; /* addresses */ if (ha->cache_feat & SCATTER_GATHER) { - gen.command.u.cache64.DestAddr = (ulong64)-1; + gen.command.u.cache64.DestAddr = (u64)-1; gen.command.u.cache64.sg_canz = 1; gen.command.u.cache64.sg_lst[0].sg_ptr = paddr; gen.command.u.cache64.sg_lst[0].sg_len = gen.data_len; @@ -5018,7 +4211,7 @@ static int ioc_general(void __user *arg, char *cmnd) if (ha->cache_feat & SCATTER_GATHER) { gen.command.u.cache.DestAddr = 0xffffffff; gen.command.u.cache.sg_canz = 1; - gen.command.u.cache.sg_lst[0].sg_ptr = (ulong32)paddr; + gen.command.u.cache.sg_lst[0].sg_ptr = (u32)paddr; gen.command.u.cache.sg_lst[0].sg_len = gen.data_len; gen.command.u.cache.sg_lst[1].sg_len = 0; } else { @@ -5041,7 +4234,7 @@ static int ioc_general(void __user *arg, char *cmnd) gen.command.u.raw64.direction = gen.command.u.raw.direction; /* addresses */ if (ha->raw_feat & SCATTER_GATHER) { - gen.command.u.raw64.sdata = (ulong64)-1; + gen.command.u.raw64.sdata = (u64)-1; gen.command.u.raw64.sg_ranz = 1; gen.command.u.raw64.sg_lst[0].sg_ptr = paddr; gen.command.u.raw64.sg_lst[0].sg_len = gen.data_len; @@ -5055,54 +4248,39 @@ static int ioc_general(void __user *arg, char *cmnd) if (ha->raw_feat & SCATTER_GATHER) { gen.command.u.raw.sdata = 0xffffffff; gen.command.u.raw.sg_ranz = 1; - gen.command.u.raw.sg_lst[0].sg_ptr = (ulong32)paddr; + gen.command.u.raw.sg_lst[0].sg_ptr = (u32)paddr; gen.command.u.raw.sg_lst[0].sg_len = gen.data_len; gen.command.u.raw.sg_lst[1].sg_len = 0; } else { gen.command.u.raw.sdata = paddr; gen.command.u.raw.sg_ranz = 0; } - gen.command.u.raw.sense_data = (ulong32)paddr + gen.data_len; + gen.command.u.raw.sense_data = (u32)paddr + gen.data_len; } } else { - gdth_ioctl_free(hanum, gen.data_len+gen.sense_len, buf, paddr); + gdth_ioctl_free(ha, gen.data_len+gen.sense_len, buf, paddr); return -EFAULT; } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - return -ENOMEM; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; - gdth_do_req(srp, &gen.command, cmnd, gen.timeout); - gen.status = srp->sr_command->SCp.Status; - gen.info = srp->sr_command->SCp.Message; - scsi_release_request(srp); -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - return -ENOMEM; - scp->cmd_len = 12; - scp->use_sg = 0; - gdth_do_cmd(scp, &gen.command, cmnd, gen.timeout); - gen.status = scp->SCp.Status; - gen.info = scp->SCp.Message; - scsi_release_command(scp); -#endif + rval = __gdth_execute(ha->sdev, &gen.command, cmnd, gen.timeout, &gen.info); + if (rval < 0) { + gdth_ioctl_free(ha, gen.data_len+gen.sense_len, buf, paddr); + return rval; + } + gen.status = rval; if (copy_to_user(arg + sizeof(gdth_ioctl_general), buf, gen.data_len + gen.sense_len)) { - gdth_ioctl_free(hanum, gen.data_len+gen.sense_len, buf, paddr); + gdth_ioctl_free(ha, gen.data_len+gen.sense_len, buf, paddr); return -EFAULT; } if (copy_to_user(arg, &gen, sizeof(gdth_ioctl_general) - sizeof(gdth_cmd_str))) { - gdth_ioctl_free(hanum, gen.data_len+gen.sense_len, buf, paddr); + gdth_ioctl_free(ha, gen.data_len+gen.sense_len, buf, paddr); return -EFAULT; } - gdth_ioctl_free(hanum, gen.data_len+gen.sense_len, buf, paddr); + gdth_ioctl_free(ha, gen.data_len+gen.sense_len, buf, paddr); return 0; } @@ -5111,42 +4289,22 @@ static int ioc_hdrlist(void __user *arg, char *cmnd) gdth_ioctl_rescan *rsc; gdth_cmd_str *cmd; gdth_ha_str *ha; - unchar i; - int hanum, rc = -ENOMEM; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif - + u8 i; + int rc = -ENOMEM; + u32 cluster_type = 0; + rsc = kmalloc(sizeof(*rsc), GFP_KERNEL); cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!rsc || !cmd) - goto free_fail; + goto free_fail; if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) || - rsc->ionode >= gdth_ctr_count) { + (NULL == (ha = gdth_find_ha(rsc->ionode)))) { rc = -EFAULT; - goto free_fail; + goto free_fail; } - hanum = rsc->ionode; - ha = HADATA(gdth_ctr_tab[hanum]); memset(cmd, 0, sizeof(gdth_cmd_str)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - goto free_fail; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - goto free_fail; - scp->cmd_len = 12; - scp->use_sg = 0; -#endif - for (i = 0; i < MAX_HDRIVES; ++i) { if (!ha->hdr[i].present) { rsc->hdr_list[i].bus = 0xff; @@ -5163,27 +4321,15 @@ static int ioc_hdrlist(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - if (srp->sr_command->SCp.Status == S_OK) - rsc->hdr_list[i].cluster_type = srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - if (scp->SCp.Status == S_OK) - rsc->hdr_list[i].cluster_type = scp->SCp.Message; -#endif + if (__gdth_execute(ha->sdev, cmd, cmnd, 30, &cluster_type) == S_OK) + rsc->hdr_list[i].cluster_type = cluster_type; } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scsi_release_request(srp); -#else - scsi_release_command(scp); -#endif - + if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan))) rc = -EFAULT; else - rc = 0; + rc = 0; free_fail: kfree(rsc); @@ -5195,46 +4341,25 @@ static int ioc_rescan(void __user *arg, char *cmnd) { gdth_ioctl_rescan *rsc; gdth_cmd_str *cmd; - ushort i, status, hdr_cnt; - ulong32 info; - int hanum, cyls, hds, secs; + u16 i, status, hdr_cnt; + u32 info; + int cyls, hds, secs; int rc = -ENOMEM; - ulong flags; + unsigned long flags; gdth_ha_str *ha; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif rsc = kmalloc(sizeof(*rsc), GFP_KERNEL); cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd || !rsc) - goto free_fail; + goto free_fail; if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) || - rsc->ionode >= gdth_ctr_count) { - rc = -EFAULT; - goto free_fail; + (NULL == (ha = gdth_find_ha(rsc->ionode)))) { + rc = -EFAULT; + goto free_fail; } - hanum = rsc->ionode; - ha = HADATA(gdth_ctr_tab[hanum]); memset(cmd, 0, sizeof(gdth_cmd_str)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - goto free_fail; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - goto free_fail; - scp->cmd_len = 12; - scp->use_sg = 0; -#endif - if (rsc->flag == 0) { /* old method: re-init. cache service */ cmd->Service = CACHESERVICE; @@ -5245,21 +4370,10 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->OpCode = GDT_INIT; cmd->u.cache.DeviceNo = LINUX_OS; } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#else - gdth_do_cmd(&scp, cmd, cmnd, 30); - status = (ushort)scp.SCp.Status; - info = (ulong32)scp.SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); i = 0; - hdr_cnt = (status == S_OK ? (ushort)info : 0); + hdr_cnt = (status == S_OK ? (u16)info : 0); } else { i = rsc->hdr_no; hdr_cnt = i + 1; @@ -5272,15 +4386,9 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); rsc->hdr_list[i].bus = ha->virt_bus; rsc->hdr_list[i].target = i; @@ -5312,17 +4420,11 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); - ha->hdr[i].devtype = (status == S_OK ? (ushort)info : 0); + ha->hdr[i].devtype = (status == S_OK ? (u16)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); cmd->Service = CACHESERVICE; @@ -5331,18 +4433,12 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[i].cluster_type = - ((status == S_OK && !shared_access) ? (ushort)info : 0); + ((status == S_OK && !shared_access) ? (u16)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); rsc->hdr_list[i].cluster_type = ha->hdr[i].cluster_type; @@ -5352,29 +4448,18 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); - ha->hdr[i].rw_attribs = (status == S_OK ? (ushort)info : 0); + ha->hdr[i].rw_attribs = (status == S_OK ? (u16)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scsi_release_request(srp); -#else - scsi_release_command(scp); -#endif if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan))) rc = -EFAULT; else - rc = 0; + rc = 0; free_fail: kfree(rsc); @@ -5382,12 +4467,11 @@ free_fail: return rc; } -static int gdth_ioctl(struct inode *inode, struct file *filep, - unsigned int cmd, unsigned long arg) +static int gdth_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { gdth_ha_str *ha; Scsi_Cmnd *scp; - ulong flags; + unsigned long flags; char cmnd[MAX_COMMAND_SIZE]; void __user *argp = (void __user *)arg; @@ -5416,9 +4500,9 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, { gdth_ioctl_osvers osv; - osv.version = (unchar)(LINUX_VERSION_CODE >> 16); - osv.subversion = (unchar)(LINUX_VERSION_CODE >> 8); - osv.revision = (ushort)(LINUX_VERSION_CODE & 0xff); + osv.version = (u8)(LINUX_VERSION_CODE >> 16); + osv.subversion = (u8)(LINUX_VERSION_CODE >> 8); + osv.revision = (u16)(LINUX_VERSION_CODE & 0xff); if (copy_to_user(argp, &osv, sizeof(gdth_ioctl_osvers))) return -EFAULT; break; @@ -5429,24 +4513,24 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, gdth_ioctl_ctrtype ctrt; if (copy_from_user(&ctrt, argp, sizeof(gdth_ioctl_ctrtype)) || - ctrt.ionode >= gdth_ctr_count) + (NULL == (ha = gdth_find_ha(ctrt.ionode)))) return -EFAULT; - ha = HADATA(gdth_ctr_tab[ctrt.ionode]); + if (ha->type == GDT_ISA || ha->type == GDT_EISA) { - ctrt.type = (unchar)((ha->stype>>20) - 0x10); + ctrt.type = (u8)((ha->stype>>20) - 0x10); } else { if (ha->type != GDT_PCIMPR) { - ctrt.type = (unchar)((ha->stype<<4) + 6); + ctrt.type = (u8)((ha->stype<<4) + 6); } else { ctrt.type = (ha->oem_id == OEM_ID_INTEL ? 0xfd : 0xfe); if (ha->stype >= 0x300) - ctrt.ext_type = 0x6000 | ha->subdevice_id; + ctrt.ext_type = 0x6000 | ha->pdev->subsystem_device; else ctrt.ext_type = 0x6000 | ha->stype; } - ctrt.device_id = ha->stype; - ctrt.sub_device_id = ha->subdevice_id; + ctrt.device_id = ha->pdev->device; + ctrt.sub_device_id = ha->pdev->subsystem_device; } ctrt.info = ha->brd_phys; ctrt.oem_id = ha->oem_id; @@ -5467,31 +4551,26 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, case GDTIOCTL_LOCKCHN: { gdth_ioctl_lockchn lchn; - unchar i, j; + u8 i, j; if (copy_from_user(&lchn, argp, sizeof(gdth_ioctl_lockchn)) || - lchn.ionode >= gdth_ctr_count) + (NULL == (ha = gdth_find_ha(lchn.ionode)))) return -EFAULT; - ha = HADATA(gdth_ctr_tab[lchn.ionode]); - + i = lchn.channel; if (i < ha->bus_cnt) { if (lchn.lock) { spin_lock_irqsave(&ha->smp_lock, flags); ha->raw[i].lock = 1; spin_unlock_irqrestore(&ha->smp_lock, flags); - for (j = 0; j < ha->tid_cnt; ++j) { - gdth_wait_completion(lchn.ionode, i, j); - gdth_stop_timeout(lchn.ionode, i, j); - } + for (j = 0; j < ha->tid_cnt; ++j) + gdth_wait_completion(ha, i, j); } else { spin_lock_irqsave(&ha->smp_lock, flags); ha->raw[i].lock = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); - for (j = 0; j < ha->tid_cnt; ++j) { - gdth_start_timeout(lchn.ionode, i, j); - gdth_next(lchn.ionode); - } + for (j = 0; j < ha->tid_cnt; ++j) + gdth_next(ha); } } break; @@ -5506,36 +4585,22 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, case GDTIOCTL_RESET_BUS: { gdth_ioctl_reset res; - int hanum, rval; + int rval; if (copy_from_user(&res, argp, sizeof(gdth_ioctl_reset)) || - res.ionode >= gdth_ctr_count) + (NULL == (ha = gdth_find_ha(res.ionode)))) return -EFAULT; - hanum = res.ionode; - ha = HADATA(gdth_ctr_tab[hanum]); - /* Because we need a Scsi_Cmnd struct., we make a scsi_allocate device also for kernels >=2.6.x */ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scp = scsi_get_command(ha->sdev, GFP_KERNEL); - if (!scp) - return -ENOMEM; - scp->cmd_len = 12; - scp->use_sg = 0; - scp->device->channel = virt_ctr ? 0 : res.number; - rval = gdth_eh_bus_reset(scp); - res.status = (rval == SUCCESS ? S_OK : S_GENERR); - scsi_put_command(scp); -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); + scp = kzalloc(sizeof(*scp), GFP_KERNEL); if (!scp) return -ENOMEM; + scp->device = ha->sdev; scp->cmd_len = 12; - scp->use_sg = 0; - scp->channel = virt_ctr ? 0 : res.number; + scp->device->channel = res.number; rval = gdth_eh_bus_reset(scp); res.status = (rval == SUCCESS ? S_OK : S_GENERR); - scsi_release_command(scp); -#endif + kfree(scp); + if (copy_to_user(argp, &res, sizeof(gdth_ioctl_reset))) return -EFAULT; break; @@ -5550,40 +4615,27 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, return 0; } +static long gdth_unlocked_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + int ret; + + mutex_lock(&gdth_mutex); + ret = gdth_ioctl(file, cmd, arg); + mutex_unlock(&gdth_mutex); + + return ret; +} /* flush routine */ -static void gdth_flush(int hanum) +static void gdth_flush(gdth_ha_str *ha) { int i; - gdth_ha_str *ha; gdth_cmd_str gdtcmd; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif - Scsi_Device *sdev; char cmnd[MAX_COMMAND_SIZE]; memset(cmnd, 0xff, MAX_COMMAND_SIZE); - TRACE2(("gdth_flush() hanum %d\n",hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - srp = scsi_allocate_request(sdev, GFP_KERNEL); - if (!srp) - return; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; -#else - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - scp = scsi_allocate_device(sdev, 1, FALSE); - if (!scp) - return; - scp->cmd_len = 12; - scp->use_sg = 0; -#endif + TRACE2(("gdth_flush() hanum %d\n", ha->hanum)); for (i = 0; i < MAX_HDRIVES; ++i) { if (ha->hdr[i].present) { @@ -5599,115 +4651,586 @@ static void gdth_flush(int hanum) gdtcmd.u.cache.BlockNo = 1; gdtcmd.u.cache.sg_canz = 0; } - TRACE2(("gdth_flush(): flush ha %d drive %d\n", hanum, i)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, &gdtcmd, cmnd, 30); -#else - gdth_do_cmd(scp, &gdtcmd, cmnd, 30); -#endif + TRACE2(("gdth_flush(): flush ha %d drive %d\n", ha->hanum, i)); + + gdth_execute(ha->shost, &gdtcmd, cmnd, 30, NULL); } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scsi_release_request(srp); - scsi_free_host_dev(sdev); -#else - scsi_release_command(scp); - scsi_free_host_dev(sdev); -#endif } -/* shutdown routine */ -static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) +/* configure lun */ +static int gdth_slave_configure(struct scsi_device *sdev) { - int hanum; -#ifndef __alpha__ - gdth_cmd_str gdtcmd; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; - Scsi_Device *sdev; -#else - Scsi_Cmnd *scp; - Scsi_Device *sdev; -#endif - char cmnd[MAX_COMMAND_SIZE]; -#endif - - TRACE2(("gdth_halt() event %d\n",(int)event)); - if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) - return NOTIFY_DONE; - - printk("GDT-HA: Flushing all host drives .. "); - for (hanum = 0; hanum < gdth_ctr_count; ++hanum) { - gdth_flush(hanum); - -#ifndef __alpha__ - /* controller reset */ - memset(cmnd, 0xff, MAX_COMMAND_SIZE); - gdtcmd.BoardNode = LOCALBOARD; - gdtcmd.Service = CACHESERVICE; - gdtcmd.OpCode = GDT_RESET; - TRACE2(("gdth_halt(): reset controller %d\n", hanum)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - srp = scsi_allocate_request(sdev, GFP_KERNEL); - if (!srp) { - unregister_reboot_notifier(&gdth_notifier); - return NOTIFY_OK; - } - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; - gdth_do_req(srp, &gdtcmd, cmnd, 10); - scsi_release_request(srp); - scsi_free_host_dev(sdev); -#else - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - scp = scsi_allocate_device(sdev, 1, FALSE); - if (!scp) { - unregister_reboot_notifier(&gdth_notifier); - return NOTIFY_OK; - } - scp->cmd_len = 12; - scp->use_sg = 0; - gdth_do_cmd(scp, &gdtcmd, cmnd, 10); - scsi_release_command(scp); - scsi_free_host_dev(sdev); -#endif -#endif - } - printk("Done.\n"); - -#ifdef GDTH_STATISTICS - del_timer(&gdth_timer); -#endif - unregister_reboot_notifier(&gdth_notifier); - return NOTIFY_OK; + scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); + sdev->skip_ms_page_3f = 1; + sdev->skip_ms_page_8 = 1; + return 0; } -static Scsi_Host_Template driver_template = { - .proc_name = "gdth", - .proc_info = gdth_proc_info, +static struct scsi_host_template gdth_template = { .name = "GDT SCSI Disk Array Controller", - .detect = gdth_detect, - .release = gdth_release, .info = gdth_info, .queuecommand = gdth_queuecommand, .eh_bus_reset_handler = gdth_eh_bus_reset, + .slave_configure = gdth_slave_configure, .bios_param = gdth_bios_param, + .show_info = gdth_show_info, + .write_info = gdth_set_info, + .eh_timed_out = gdth_timed_out, + .proc_name = "gdth", .can_queue = GDTH_MAXCMDS, .this_id = -1, .sg_tablesize = GDTH_MAXSG, .cmd_per_lun = GDTH_MAXC_P_L, .unchecked_isa_dma = 1, .use_clustering = ENABLE_CLUSTERING, -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) - .use_new_eh_code = 1, -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) - .highmem_io = 1, + .no_write_same = 1, +}; + +#ifdef CONFIG_ISA +static int __init gdth_isa_probe_one(u32 isa_bios) +{ + struct Scsi_Host *shp; + gdth_ha_str *ha; + dma_addr_t scratch_dma_handle = 0; + int error, i; + + if (!gdth_search_isa(isa_bios)) + return -ENXIO; + + shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); + if (!shp) + return -ENOMEM; + ha = shost_priv(shp); + + error = -ENODEV; + if (!gdth_init_isa(isa_bios,ha)) + goto out_host_put; + + /* controller found and initialized */ + printk("Configuring GDT-ISA HA at BIOS 0x%05X IRQ %u DRQ %u\n", + isa_bios, ha->irq, ha->drq); + + error = request_irq(ha->irq, gdth_interrupt, 0, "gdth", ha); + if (error) { + printk("GDT-ISA: Unable to allocate IRQ\n"); + goto out_host_put; + } + + error = request_dma(ha->drq, "gdth"); + if (error) { + printk("GDT-ISA: Unable to allocate DMA channel\n"); + goto out_free_irq; + } + + set_dma_mode(ha->drq,DMA_MODE_CASCADE); + enable_dma(ha->drq); + shp->unchecked_isa_dma = 1; + shp->irq = ha->irq; + shp->dma_channel = ha->drq; + + ha->hanum = gdth_ctr_count++; + ha->shost = shp; + + ha->pccb = &ha->cmdext; + ha->ccb_phys = 0L; + ha->pdev = NULL; + + error = -ENOMEM; + + ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, + &scratch_dma_handle); + if (!ha->pscratch) + goto out_dec_counters; + ha->scratch_phys = scratch_dma_handle; + + ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), + &scratch_dma_handle); + if (!ha->pmsg) + goto out_free_pscratch; + ha->msg_phys = scratch_dma_handle; + +#ifdef INT_COAL + ha->coal_stat = pci_alloc_consistent(ha->pdev, + sizeof(gdth_coal_status) * MAXOFFSETS, + &scratch_dma_handle); + if (!ha->coal_stat) + goto out_free_pmsg; + ha->coal_stat_phys = scratch_dma_handle; #endif + + ha->scratch_busy = FALSE; + ha->req_first = NULL; + ha->tid_cnt = MAX_HDRIVES; + if (max_ids > 0 && max_ids < ha->tid_cnt) + ha->tid_cnt = max_ids; + for (i = 0; i < GDTH_MAXCMDS; ++i) + ha->cmd_tab[i].cmnd = UNUSED_CMND; + ha->scan_mode = rescan ? 0x10 : 0; + + error = -ENODEV; + if (!gdth_search_drives(ha)) { + printk("GDT-ISA: Error during device scan\n"); + goto out_free_coal_stat; + } + + if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) + hdr_channel = ha->bus_cnt; + ha->virt_bus = hdr_channel; + + if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) + shp->max_cmd_len = 16; + + shp->max_id = ha->tid_cnt; + shp->max_lun = MAXLUN; + shp->max_channel = ha->bus_cnt; + + spin_lock_init(&ha->smp_lock); + gdth_enable_int(ha); + + error = scsi_add_host(shp, NULL); + if (error) + goto out_free_coal_stat; + list_add_tail(&ha->list, &gdth_instances); + gdth_timer_init(); + + scsi_scan_host(shp); + + return 0; + + out_free_coal_stat: +#ifdef INT_COAL + pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * MAXOFFSETS, + ha->coal_stat, ha->coal_stat_phys); + out_free_pmsg: +#endif + pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), + ha->pmsg, ha->msg_phys); + out_free_pscratch: + pci_free_consistent(ha->pdev, GDTH_SCRATCH, + ha->pscratch, ha->scratch_phys); + out_dec_counters: + gdth_ctr_count--; + out_free_irq: + free_irq(ha->irq, ha); + out_host_put: + scsi_host_put(shp); + return error; +} +#endif /* CONFIG_ISA */ + +#ifdef CONFIG_EISA +static int __init gdth_eisa_probe_one(u16 eisa_slot) +{ + struct Scsi_Host *shp; + gdth_ha_str *ha; + dma_addr_t scratch_dma_handle = 0; + int error, i; + + if (!gdth_search_eisa(eisa_slot)) + return -ENXIO; + + shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); + if (!shp) + return -ENOMEM; + ha = shost_priv(shp); + + error = -ENODEV; + if (!gdth_init_eisa(eisa_slot,ha)) + goto out_host_put; + + /* controller found and initialized */ + printk("Configuring GDT-EISA HA at Slot %d IRQ %u\n", + eisa_slot >> 12, ha->irq); + + error = request_irq(ha->irq, gdth_interrupt, 0, "gdth", ha); + if (error) { + printk("GDT-EISA: Unable to allocate IRQ\n"); + goto out_host_put; + } + + shp->unchecked_isa_dma = 0; + shp->irq = ha->irq; + shp->dma_channel = 0xff; + + ha->hanum = gdth_ctr_count++; + ha->shost = shp; + + TRACE2(("EISA detect Bus 0: hanum %d\n", ha->hanum)); + + ha->pccb = &ha->cmdext; + ha->ccb_phys = 0L; + + error = -ENOMEM; + + ha->pdev = NULL; + ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, + &scratch_dma_handle); + if (!ha->pscratch) + goto out_free_irq; + ha->scratch_phys = scratch_dma_handle; + + ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), + &scratch_dma_handle); + if (!ha->pmsg) + goto out_free_pscratch; + ha->msg_phys = scratch_dma_handle; + +#ifdef INT_COAL + ha->coal_stat = pci_alloc_consistent(ha->pdev, + sizeof(gdth_coal_status) * MAXOFFSETS, + &scratch_dma_handle); + if (!ha->coal_stat) + goto out_free_pmsg; + ha->coal_stat_phys = scratch_dma_handle; +#endif + + ha->ccb_phys = pci_map_single(ha->pdev,ha->pccb, + sizeof(gdth_cmd_str), PCI_DMA_BIDIRECTIONAL); + if (!ha->ccb_phys) + goto out_free_coal_stat; + + ha->scratch_busy = FALSE; + ha->req_first = NULL; + ha->tid_cnt = MAX_HDRIVES; + if (max_ids > 0 && max_ids < ha->tid_cnt) + ha->tid_cnt = max_ids; + for (i = 0; i < GDTH_MAXCMDS; ++i) + ha->cmd_tab[i].cmnd = UNUSED_CMND; + ha->scan_mode = rescan ? 0x10 : 0; + + if (!gdth_search_drives(ha)) { + printk("GDT-EISA: Error during device scan\n"); + error = -ENODEV; + goto out_free_ccb_phys; + } + + if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) + hdr_channel = ha->bus_cnt; + ha->virt_bus = hdr_channel; + + if (ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) + shp->max_cmd_len = 16; + + shp->max_id = ha->tid_cnt; + shp->max_lun = MAXLUN; + shp->max_channel = ha->bus_cnt; + + spin_lock_init(&ha->smp_lock); + gdth_enable_int(ha); + + error = scsi_add_host(shp, NULL); + if (error) + goto out_free_ccb_phys; + list_add_tail(&ha->list, &gdth_instances); + gdth_timer_init(); + + scsi_scan_host(shp); + + return 0; + + out_free_ccb_phys: + pci_unmap_single(ha->pdev,ha->ccb_phys, sizeof(gdth_cmd_str), + PCI_DMA_BIDIRECTIONAL); + out_free_coal_stat: +#ifdef INT_COAL + pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * MAXOFFSETS, + ha->coal_stat, ha->coal_stat_phys); + out_free_pmsg: +#endif + pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), + ha->pmsg, ha->msg_phys); + out_free_pscratch: + pci_free_consistent(ha->pdev, GDTH_SCRATCH, + ha->pscratch, ha->scratch_phys); + out_free_irq: + free_irq(ha->irq, ha); + gdth_ctr_count--; + out_host_put: + scsi_host_put(shp); + return error; +} +#endif /* CONFIG_EISA */ + +#ifdef CONFIG_PCI +static int gdth_pci_probe_one(gdth_pci_str *pcistr, gdth_ha_str **ha_out) +{ + struct Scsi_Host *shp; + gdth_ha_str *ha; + dma_addr_t scratch_dma_handle = 0; + int error, i; + struct pci_dev *pdev = pcistr->pdev; + + *ha_out = NULL; + + shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); + if (!shp) + return -ENOMEM; + ha = shost_priv(shp); + + error = -ENODEV; + if (!gdth_init_pci(pdev, pcistr, ha)) + goto out_host_put; + + /* controller found and initialized */ + printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n", + pdev->bus->number, + PCI_SLOT(pdev->devfn), + ha->irq); + + error = request_irq(ha->irq, gdth_interrupt, + IRQF_SHARED, "gdth", ha); + if (error) { + printk("GDT-PCI: Unable to allocate IRQ\n"); + goto out_host_put; + } + + shp->unchecked_isa_dma = 0; + shp->irq = ha->irq; + shp->dma_channel = 0xff; + + ha->hanum = gdth_ctr_count++; + ha->shost = shp; + + ha->pccb = &ha->cmdext; + ha->ccb_phys = 0L; + + error = -ENOMEM; + + ha->pscratch = pci_alloc_consistent(ha->pdev, GDTH_SCRATCH, + &scratch_dma_handle); + if (!ha->pscratch) + goto out_free_irq; + ha->scratch_phys = scratch_dma_handle; + + ha->pmsg = pci_alloc_consistent(ha->pdev, sizeof(gdth_msg_str), + &scratch_dma_handle); + if (!ha->pmsg) + goto out_free_pscratch; + ha->msg_phys = scratch_dma_handle; + +#ifdef INT_COAL + ha->coal_stat = pci_alloc_consistent(ha->pdev, + sizeof(gdth_coal_status) * MAXOFFSETS, + &scratch_dma_handle); + if (!ha->coal_stat) + goto out_free_pmsg; + ha->coal_stat_phys = scratch_dma_handle; +#endif + + ha->scratch_busy = FALSE; + ha->req_first = NULL; + ha->tid_cnt = pdev->device >= 0x200 ? MAXID : MAX_HDRIVES; + if (max_ids > 0 && max_ids < ha->tid_cnt) + ha->tid_cnt = max_ids; + for (i = 0; i < GDTH_MAXCMDS; ++i) + ha->cmd_tab[i].cmnd = UNUSED_CMND; + ha->scan_mode = rescan ? 0x10 : 0; + + error = -ENODEV; + if (!gdth_search_drives(ha)) { + printk("GDT-PCI %d: Error during device scan\n", ha->hanum); + goto out_free_coal_stat; + } + + if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) + hdr_channel = ha->bus_cnt; + ha->virt_bus = hdr_channel; + + /* 64-bit DMA only supported from FW >= x.43 */ + if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) || + !ha->dma64_support) { + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { + printk(KERN_WARNING "GDT-PCI %d: " + "Unable to set 32-bit DMA\n", ha->hanum); + goto out_free_coal_stat; + } + } else { + shp->max_cmd_len = 16; + if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { + printk("GDT-PCI %d: 64-bit DMA enabled\n", ha->hanum); + } else if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { + printk(KERN_WARNING "GDT-PCI %d: " + "Unable to set 64/32-bit DMA\n", ha->hanum); + goto out_free_coal_stat; + } + } + + shp->max_id = ha->tid_cnt; + shp->max_lun = MAXLUN; + shp->max_channel = ha->bus_cnt; + + spin_lock_init(&ha->smp_lock); + gdth_enable_int(ha); + + error = scsi_add_host(shp, &pdev->dev); + if (error) + goto out_free_coal_stat; + list_add_tail(&ha->list, &gdth_instances); + + pci_set_drvdata(ha->pdev, ha); + gdth_timer_init(); + + scsi_scan_host(shp); + + *ha_out = ha; + + return 0; + + out_free_coal_stat: +#ifdef INT_COAL + pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * MAXOFFSETS, + ha->coal_stat, ha->coal_stat_phys); + out_free_pmsg: +#endif + pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), + ha->pmsg, ha->msg_phys); + out_free_pscratch: + pci_free_consistent(ha->pdev, GDTH_SCRATCH, + ha->pscratch, ha->scratch_phys); + out_free_irq: + free_irq(ha->irq, ha); + gdth_ctr_count--; + out_host_put: + scsi_host_put(shp); + return error; +} +#endif /* CONFIG_PCI */ + +static void gdth_remove_one(gdth_ha_str *ha) +{ + struct Scsi_Host *shp = ha->shost; + + TRACE2(("gdth_remove_one()\n")); + + scsi_remove_host(shp); + + gdth_flush(ha); + + if (ha->sdev) { + scsi_free_host_dev(ha->sdev); + ha->sdev = NULL; + } + + if (shp->irq) + free_irq(shp->irq,ha); + +#ifdef CONFIG_ISA + if (shp->dma_channel != 0xff) + free_dma(shp->dma_channel); +#endif +#ifdef INT_COAL + if (ha->coal_stat) + pci_free_consistent(ha->pdev, sizeof(gdth_coal_status) * + MAXOFFSETS, ha->coal_stat, ha->coal_stat_phys); #endif + if (ha->pscratch) + pci_free_consistent(ha->pdev, GDTH_SCRATCH, + ha->pscratch, ha->scratch_phys); + if (ha->pmsg) + pci_free_consistent(ha->pdev, sizeof(gdth_msg_str), + ha->pmsg, ha->msg_phys); + if (ha->ccb_phys) + pci_unmap_single(ha->pdev,ha->ccb_phys, + sizeof(gdth_cmd_str),PCI_DMA_BIDIRECTIONAL); + + scsi_host_put(shp); +} + +static int gdth_halt(struct notifier_block *nb, unsigned long event, void *buf) +{ + gdth_ha_str *ha; + + TRACE2(("gdth_halt() event %d\n", (int)event)); + if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) + return NOTIFY_DONE; + + list_for_each_entry(ha, &gdth_instances, list) + gdth_flush(ha); + + return NOTIFY_OK; +} + +static struct notifier_block gdth_notifier = { + gdth_halt, NULL, 0 }; -#include "scsi_module.c" +static int __init gdth_init(void) +{ + if (disable) { + printk("GDT-HA: Controller driver disabled from" + " command line !\n"); + return 0; + } + + printk("GDT-HA: Storage RAID Controller Driver. Version: %s\n", + GDTH_VERSION_STR); + + /* initializations */ + gdth_polling = TRUE; + gdth_clear_events(); + init_timer(&gdth_timer); + + /* As default we do not probe for EISA or ISA controllers */ + if (probe_eisa_isa) { + /* scanning for controllers, at first: ISA controller */ +#ifdef CONFIG_ISA + u32 isa_bios; + for (isa_bios = 0xc8000UL; isa_bios <= 0xd8000UL; + isa_bios += 0x8000UL) + gdth_isa_probe_one(isa_bios); +#endif +#ifdef CONFIG_EISA + { + u16 eisa_slot; + for (eisa_slot = 0x1000; eisa_slot <= 0x8000; + eisa_slot += 0x1000) + gdth_eisa_probe_one(eisa_slot); + } +#endif + } + +#ifdef CONFIG_PCI + /* scanning for PCI controllers */ + if (pci_register_driver(&gdth_pci_driver)) { + gdth_ha_str *ha; + + list_for_each_entry(ha, &gdth_instances, list) + gdth_remove_one(ha); + return -ENODEV; + } +#endif /* CONFIG_PCI */ + + TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count)); + + major = register_chrdev(0,"gdth", &gdth_fops); + register_reboot_notifier(&gdth_notifier); + gdth_polling = FALSE; + return 0; +} + +static void __exit gdth_exit(void) +{ + gdth_ha_str *ha; + + unregister_chrdev(major, "gdth"); + unregister_reboot_notifier(&gdth_notifier); + +#ifdef GDTH_STATISTICS + del_timer_sync(&gdth_timer); +#endif + +#ifdef CONFIG_PCI + pci_unregister_driver(&gdth_pci_driver); +#endif + + list_for_each_entry(ha, &gdth_instances, list) + gdth_remove_one(ha); +} + +module_init(gdth_init); +module_exit(gdth_exit); + #ifndef MODULE __setup("gdth=", option_setup); #endif |