diff options
Diffstat (limited to 'drivers/scsi/gdth.c')
| -rw-r--r-- | drivers/scsi/gdth.c | 2933 |
1 files changed, 1254 insertions, 1679 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 55e4d2dc2bbe..e8010a702e73 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -27,280 +27,8 @@ * along with this kernel; if not, write to the Free Software * * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * - * Linux kernel 2.4.x, 2.6.x supported * + * Linux kernel 2.6.x supported * * * - * $Log: gdth.c,v $ - * Revision 1.74 2006/04/10 13:44:47 achim - * Community changes for 2.6.x - * Kernel 2.2.x no longer supported - * scsi_request interface removed, thanks to Christoph Hellwig - * - * 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. @@ -328,8 +56,6 @@ * 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, @@ -341,7 +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". * @@ -352,22 +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: gdth_bufflen + * buffer: gdth_sglist + * dma_handle: unused + * buffers_residual: gdth_sg_count + * Status: unused + * Message: unused + * have_data_in: unused + * sent_command: unused + * phase: unused */ @@ -392,12 +118,8 @@ #include <linux/proc_fs.h> #include <linux/time.h> #include <linux/timer.h> -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,6) #include <linux/dma-mapping.h> -#else -#define DMA_32BIT_MASK 0x00000000ffffffffULL -#define DMA_64BIT_MASK 0xffffffffffffffffULL -#endif +#include <linux/list.h> #ifdef GDTH_RTC #include <linux/mc146818rtc.h> @@ -409,29 +131,27 @@ #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_kcompat.h" #include "gdth.h" 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); -static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp); -static int gdth_async_event(int hanum); +static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int irq, + int gdth_from_wait, int* pIndex); +static int gdth_sync_event(gdth_ha_str *ha, int service, unchar 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 void gdth_putq(gdth_ha_str *ha, Scsi_Cmnd *scp, unchar priority); +static void gdth_next(gdth_ha_str *ha); +static int gdth_fill_raw_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, unchar b); +static int gdth_special_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp); static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, ushort source, ushort idx, gdth_evt_data *evt); static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr); @@ -439,42 +159,34 @@ static void gdth_readapp_event(gdth_ha_str *ha, unchar 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 void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp, + char *buffer, ushort count, int to_buffer); +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, 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_enable_int(gdth_ha_str *ha); +static unchar gdth_get_status(gdth_ha_str *ha, int irq); +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,ulong32 time); +static int gdth_internal_cmd(gdth_ha_str *ha, unchar service, ushort opcode, + ulong32 p1, ulong64 p2,ulong64 p3); +static int gdth_search_drives(gdth_ha_str *ha); +static int gdth_analyse_hdrive(gdth_ha_str *ha, ushort 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 void gdth_flush(int hanum); +static void gdth_flush(gdth_ha_str *ha); static int gdth_halt(struct notifier_block *nb, ulong event, void *buf); static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *)); +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 @@ -571,29 +283,17 @@ static struct timer_list gdth_timer; #define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b) #define INDEX_OK(i,t) ((i)<ARRAY_SIZE(t)) -#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 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)) - +#ifdef CONFIG_ISA static unchar gdth_drq_tab[4] = {5,6,7,7}; /* DRQ table */ +#endif +#if defined(CONFIG_EISA) || defined(CONFIG_ISA) static unchar gdth_irq_tab[6] = {0,10,11,12,14,0}; /* IRQ table */ +#endif static unchar gdth_polling; /* polling if TRUE */ -static unchar gdth_from_wait = FALSE; /* gdth_wait() */ -static int wait_index,wait_hanum; /* gdth_wait() */ 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 LIST_HEAD(gdth_instances); /* controller list */ static unchar gdth_write_through = FALSE; /* write through */ static gdth_evt_str ebuffer[MAX_EVENTS]; /* event buffer */ static int elastidx; @@ -645,8 +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 */ @@ -655,7 +353,6 @@ static int probe_eisa_isa = 0; static int force_dma32 = 0; /* parameters for modprobe/insmod */ -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11) module_param_array(irq, int, NULL, 0); module_param(disable, int, 0); module_param(reserve_mode, int, 0); @@ -664,24 +361,9 @@ 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); -#else -MODULE_PARM(irq, "i"); -MODULE_PARM(disable, "i"); -MODULE_PARM(reserve_mode, "i"); -MODULE_PARM(reserve_list, "4-" __MODULE_STRING(MAX_RES_ARGS) "i"); -MODULE_PARM(reverse_scan, "i"); -MODULE_PARM(hdr_channel, "i"); -MODULE_PARM(max_ids, "i"); -MODULE_PARM(rescan, "i"); -MODULE_PARM(virt_ctr, "i"); -MODULE_PARM(shared_access, "i"); -MODULE_PARM(probe_eisa_isa, "i"); -MODULE_PARM(force_dma32, "i"); -#endif MODULE_AUTHOR("Achim Leubner"); MODULE_LICENSE("GPL"); @@ -692,6 +374,47 @@ static const struct file_operations gdth_fops = { .release = gdth_close, }; +/* + * gdth scsi_command access wrappers. + * below 6 functions are used throughout the driver to access scsi_command's + * io parameters. The reason we do not use the regular accessors from + * scsi_cmnd.h is because of gdth_execute(). Since it is unrecommended for + * llds to directly set scsi_cmnd's IO members. This driver will use SCp + * members for IO parameters, and will copy scsi_cmnd's members to Scp + * members in queuecommand. For internal commands through gdth_execute() + * SCp's members will be set directly. + */ +static inline unsigned gdth_bufflen(struct scsi_cmnd *cmd) +{ + return (unsigned)cmd->SCp.this_residual; +} + +static inline void gdth_set_bufflen(struct scsi_cmnd *cmd, unsigned bufflen) +{ + cmd->SCp.this_residual = bufflen; +} + +static inline unsigned gdth_sg_count(struct scsi_cmnd *cmd) +{ + return (unsigned)cmd->SCp.buffers_residual; +} + +static inline void gdth_set_sg_count(struct scsi_cmnd *cmd, unsigned sg_count) +{ + cmd->SCp.buffers_residual = sg_count; +} + +static inline struct scatterlist *gdth_sglist(struct scsi_cmnd *cmd) +{ + return cmd->SCp.buffer; +} + +static inline void gdth_set_sglist(struct scsi_cmnd *cmd, + struct scatterlist *sglist) +{ + cmd->SCp.buffer = sglist; +} + #include "gdth_proc.h" #include "gdth_proc.c" @@ -701,6 +424,45 @@ static struct notifier_block gdth_notifier = { }; static int notifier_disabled = 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; + ulong 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]; + priv->index = i+1; + memset(priv, 0, sizeof(*priv)); + 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) { if (milliseconds == 0) { @@ -710,80 +472,62 @@ static void gdth_delay(int milliseconds) } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) static void gdth_scsi_done(struct scsi_cmnd *scp) { - TRACE2(("gdth_scsi_done()\n")); + 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 (scp->request) - complete((struct completion *)scp->request); + 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; + struct scatterlist one_sg; DECLARE_COMPLETION_ONSTACK(wait); int rval; - scp = kmalloc(sizeof(*scp), GFP_KERNEL); + scp = kzalloc(sizeof(*scp), GFP_KERNEL); if (!scp) return -ENOMEM; - memset(scp, 0, sizeof(*scp)); + scp->device = sdev; + memset(&cmndinfo, 0, sizeof(cmndinfo)); + /* use request field to save the ptr. to completion struct. */ scp->request = (struct request *)&wait; scp->timeout_per_command = timeout*HZ; - scp->request_buffer = gdtcmd; + sg_init_one(&one_sg, gdtcmd, sizeof(*gdtcmd)); + gdth_set_sglist(scp, &one_sg); + gdth_set_sg_count(scp, 1); + gdth_set_bufflen(scp, sizeof(*gdtcmd)); scp->cmd_len = 12; memcpy(scp->cmnd, cmnd, 12); - scp->SCp.this_residual = IOCTL_PRI; /* priority */ - scp->done = gdth_scsi_done; /* some fn. test this */ - gdth_queuecommand(scp, gdth_scsi_done); - wait_for_completion(&wait); - - rval = scp->SCp.Status; - if (info) - *info = scp->SCp.Message; - kfree(scp); - return rval; -} -#else -static void gdth_scsi_done(Scsi_Cmnd *scp) -{ - TRACE2(("gdth_scsi_done()\n")); - - scp->request.rq_status = RQ_SCSI_DONE; - if (scp->request.waiting) - complete(scp->request.waiting); -} + cmndinfo.priority = IOCTL_PRI; + cmndinfo.internal_command = 1; -int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, - int timeout, u32 *info) -{ - Scsi_Cmnd *scp = scsi_allocate_device(sdev, 1, FALSE); - unsigned bufflen = gdtcmd ? sizeof(gdth_cmd_str) : 0; - DECLARE_COMPLETION_ONSTACK(wait); - int rval; + TRACE(("__gdth_execute() cmd 0x%x\n", scp->cmnd[0])); + __gdth_queuecommand(ha, scp, &cmndinfo); - if (!scp) - return -ENOMEM; - scp->cmd_len = 12; - scp->use_sg = 0; - scp->SCp.this_residual = IOCTL_PRI; /* priority */ - scp->request.rq_status = RQ_SCSI_BUSY; - scp->request.waiting = &wait; - scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1); wait_for_completion(&wait); - rval = scp->SCp.Status; + rval = cmndinfo.status; if (info) - *info = scp->SCp.Message; - - scsi_release_command(scp); + *info = cmndinfo.info; + kfree(scp); return rval; } -#endif int gdth_execute(struct Scsi_Host *shost, gdth_cmd_str *gdtcmd, char *cmnd, int timeout, u32 *info) @@ -815,7 +559,7 @@ static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs } /* controller search and initialization functions */ - +#ifdef CONFIG_EISA static int __init gdth_search_eisa(ushort eisa_adr) { ulong32 id; @@ -832,8 +576,9 @@ static int __init gdth_search_eisa(ushort eisa_adr) return 0; } +#endif /* CONFIG_EISA */ - +#ifdef CONFIG_ISA static int __init gdth_search_isa(ulong32 bios_adr) { void __iomem *addr; @@ -841,14 +586,18 @@ static int __init gdth_search_isa(ulong32 bios_adr) 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); + id = readl(addr); iounmap(addr); if (id == GDT2_ID) /* GDT2000 */ return 1; } return 0; } +#endif /* CONFIG_ISA */ +#ifdef CONFIG_PCI +static void gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt, + ushort vendor, ushort dev); static int __init gdth_search_pci(gdth_pci_str *pcistr) { @@ -928,7 +677,6 @@ static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt, } } - static void __init gdth_sort_pci(gdth_pci_str *pcistr, int cnt) { gdth_pci_str temp; @@ -965,8 +713,9 @@ static void __init gdth_sort_pci(gdth_pci_str *pcistr, int cnt) } } while (changed); } +#endif /* CONFIG_PCI */ - +#ifdef CONFIG_EISA static int __init gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha) { ulong32 retries,id; @@ -1058,8 +807,9 @@ static int __init gdth_init_eisa(ushort eisa_adr,gdth_ha_str *ha) ha->dma64_support = 0; return 1; } +#endif /* CONFIG_EISA */ - +#ifdef CONFIG_ISA static int __init gdth_init_isa(ulong32 bios_adr,gdth_ha_str *ha) { register gdt2_dpram_str __iomem *dp2_ptr; @@ -1075,22 +825,22 @@ 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; @@ -1098,7 +848,7 @@ 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; @@ -1107,12 +857,12 @@ 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); @@ -1120,9 +870,9 @@ 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 = (unchar)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); @@ -1136,15 +886,15 @@ 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); @@ -1152,14 +902,15 @@ 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 */ - +#ifdef CONFIG_PCI static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) { register gdt6_dpram_str __iomem *dp6_ptr; @@ -1190,8 +941,8 @@ 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; @@ -1202,7 +953,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) 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; } @@ -1215,8 +966,8 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) 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; @@ -1229,24 +980,24 @@ 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); @@ -1254,9 +1005,9 @@ 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 = (unchar)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); @@ -1267,15 +1018,15 @@ 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); @@ -1283,8 +1034,8 @@ 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; @@ -1300,8 +1051,8 @@ 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; @@ -1312,7 +1063,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) 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; } @@ -1325,8 +1076,8 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) 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; @@ -1339,7 +1090,7 @@ 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; @@ -1349,17 +1100,17 @@ 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); @@ -1367,8 +1118,8 @@ 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 = (unchar)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); @@ -1379,17 +1130,17 @@ 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); @@ -1397,7 +1148,7 @@ 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; @@ -1425,12 +1176,12 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) /* 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; @@ -1441,7 +1192,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) 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; } @@ -1454,8 +1205,8 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha) 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; @@ -1470,18 +1221,18 @@ 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); @@ -1489,8 +1240,8 @@ 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 = (unchar)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); @@ -1501,15 +1252,15 @@ 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); @@ -1517,14 +1268,14 @@ 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); @@ -1532,8 +1283,8 @@ 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 = (unchar)(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 @@ -1542,20 +1293,18 @@ 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 __init gdth_enable_int(gdth_ha_str *ha) { - gdth_ha_str *ha; ulong 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) { @@ -1564,93 +1313,80 @@ 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 unchar gdth_get_status(gdth_ha_str *ha, int irq) { - register gdth_ha_str *ha; - int i; + unchar IStatus = 0; + + TRACE(("gdth_get_status() irq %d ctr_count %d\n", 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; + return false; if (ha->type == GDT_EISA) - *pIStatus = inb((ushort)ha->bmic + EDOORREG); + IStatus = inb((ushort)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; @@ -1663,30 +1399,26 @@ 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", ha->hanum)); - TRACE(("gdth_set_sema0() hanum %d\n",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; @@ -1694,9 +1426,8 @@ static void gdth_copy_command(int hanum) gdt2_dpram_str __iomem *dp2_ptr; ushort 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; @@ -1715,42 +1446,39 @@ 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((ushort)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((ushort)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((ushort)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((ushort)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 { @@ -1774,56 +1502,50 @@ 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, ulong32 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); - if (wait_hanum==hanum && wait_index==index) { + __gdth_interrupt(ha, (int)ha->irq, 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, unchar service, ushort opcode, + ulong32 p1, ulong64 p2, ulong64 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)); @@ -1831,11 +1553,11 @@ 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) { @@ -1875,10 +1597,10 @@ static int gdth_internal_cmd(int hanum,unchar service,ushort opcode,ulong32 p1, 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; } @@ -1893,9 +1615,8 @@ 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 __init gdth_search_drives(gdth_ha_str *ha) { - register gdth_ha_str *ha; ushort cdev_cnt, i; int ok; ulong32 bus_no, drv_cnt, drv_no, j; @@ -1915,22 +1636,21 @@ static int __init gdth_search_drives(int hanum) ulong 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); + 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")); @@ -1954,25 +1674,26 @@ static int __init gdth_search_drives(int hanum) TRACE2(("gdth_search_drives(): RTC: %x/%x/%x\n",*(ulong32 *)&rtc[0], *(ulong32 *)&rtc[4], *(ulong32 *)&rtc[8])); /* 3. send to controller firmware */ - gdth_internal_cmd(hanum,SCREENSERVICE,GDT_REALTIME, *(ulong32 *)&rtc[0], + gdth_internal_cmd(ha, SCREENSERVICE, GDT_REALTIME, *(ulong32 *)&rtc[0], *(ulong32 *)&rtc[4], *(ulong32 *)&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); + 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")); @@ -2001,9 +1722,9 @@ 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 @@ -2015,7 +1736,7 @@ 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; @@ -2030,13 +1751,13 @@ 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; @@ -2051,10 +1772,10 @@ static int __init gdth_search_drives(int hanum) 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; @@ -2064,11 +1785,11 @@ 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; @@ -2076,7 +1797,7 @@ 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)); @@ -2089,7 +1810,7 @@ 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; @@ -2104,7 +1825,7 @@ 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))) { @@ -2116,7 +1837,7 @@ 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))) { @@ -2129,10 +1850,10 @@ static int __init gdth_search_drives(int hanum) } /* logical drives */ - if (gdth_internal_cmd(hanum,CACHESERVICE,GDT_IOCTL,CACHE_DRV_CNT, + if (gdth_internal_cmd(ha, 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, + if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_DRV_LIST, INVALID_CHANNEL,drv_cnt * sizeof(ulong32))) { for (j = 0; j < drv_cnt; ++j) { drv_no = ((ulong32 *)ha->pscratch)[j]; @@ -2146,7 +1867,7 @@ 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))) { @@ -2157,7 +1878,7 @@ 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) { @@ -2175,24 +1896,24 @@ 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); + 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; @@ -2200,10 +1921,10 @@ static int __init gdth_search_drives(int hanum) } /* 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; @@ -2212,22 +1933,22 @@ static int __init gdth_search_drives(int hanum) /* 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); } } } @@ -2236,58 +1957,44 @@ 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, ushort hdrive) { - register gdth_ha_str *ha; ulong32 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; @@ -2307,7 +2014,7 @@ static int gdth_analyse_hdrive(int hanum,ushort hdrive) 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; } @@ -2316,14 +2023,14 @@ static int gdth_analyse_hdrive(int hanum,ushort hdrive) 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; } /* 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) @@ -2331,7 +2038,7 @@ static int gdth_analyse_hdrive(int hanum,ushort hdrive) } /* 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; @@ -2343,27 +2050,26 @@ 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, unchar 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; TRACE(("gdth_putq() priority %d\n",priority)); - ha = HADATA(gdth_ctr_tab[hanum]); spin_lock_irqsave(&ha->smp_lock, flags); - if (scp->done != gdth_scsi_done) { - scp->SCp.this_residual = (int)priority; - b = virt_ctr ? NUMDATA(scp->device->host)->busnum:scp->device->channel; + if (!cmndinfo->internal_command) { + cmndinfo->priority = priority; + b = 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); + cmndinfo->timeout = gdth_update_timeout(scp, 0); } } } @@ -2375,7 +2081,7 @@ 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; } @@ -2395,9 +2101,8 @@ static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority) #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; @@ -2405,8 +2110,7 @@ static void gdth_next(int hanum) ulong 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); @@ -2416,14 +2120,14 @@ 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; - if (nscp->done != gdth_scsi_done) { - b = virt_ctr ? - NUMDATA(nscp->device->host)->busnum : nscp->device->channel; + if (!nscp_cmndinfo->internal_command) { + b = nscp->device->channel; t = nscp->device->id; l = nscp->device->lun; - if (nscp->SCp.this_residual >= DEFAULT_PRI) { + 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; @@ -2432,21 +2136,21 @@ static void gdth_next(int hanum) 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) { - 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)); @@ -2459,8 +2163,8 @@ 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", @@ -2471,8 +2175,8 @@ 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)); @@ -2483,18 +2187,18 @@ 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 { @@ -2502,18 +2206,18 @@ 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) { - 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]++; @@ -2521,10 +2225,10 @@ 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: @@ -2547,12 +2251,12 @@ 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: @@ -2563,15 +2267,15 @@ 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; @@ -2580,7 +2284,7 @@ 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; @@ -2599,11 +2303,11 @@ 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; @@ -2612,12 +2316,12 @@ 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; } } @@ -2633,79 +2337,77 @@ 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, ushort count, int to_buffer) { - ushort cpcount,i; + ushort cpcount,i, max_sg = gdth_sg_count(scp); ushort cpsum,cpnow; struct scatterlist *sl; - gdth_ha_str *ha; char *address; - cpcount = count<=(ushort)scp->request_bufflen ? count:(ushort)scp->request_bufflen; - ha = HADATA(gdth_ctr_tab[hanum]); + cpcount = min_t(ushort, count, gdth_bufflen(scp)); - if (scp->use_sg) { - sl = (struct scatterlist *)scp->request_buffer; - for (i=0,cpsum=0; i<scp->use_sg; ++i,++sl) { + if (cpcount) { + cpsum=0; + scsi_for_each_sg(scp, sl, max_sg, i) { unsigned long flags; cpnow = (ushort)sl->length; TRACE(("copy_internal() now %d sum %d count %d %d\n", - cpnow,cpsum,cpcount,(ushort)scp->bufflen)); + cpnow, cpsum, cpcount, gdth_bufflen(scp))); if (cpsum+cpnow > cpcount) cpnow = cpcount - cpsum; cpsum += cpnow; if (!sl->page) { printk("GDT-HA %d: invalid sc/gt element in gdth_copy_internal_data()\n", - hanum); + ha->hanum); return; } local_irq_save(flags); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) address = kmap_atomic(sl->page, KM_BIO_SRC_IRQ) + sl->offset; - memcpy(address,buffer,cpnow); + if (to_buffer) + memcpy(buffer, address, cpnow); + else + memcpy(address, buffer, cpnow); flush_dcache_page(sl->page); kunmap_atomic(address, KM_BIO_SRC_IRQ); -#else - address = kmap_atomic(sl->page, KM_BH_IRQ) + sl->offset; - memcpy(address,buffer,cpnow); - flush_dcache_page(sl->page); - kunmap_atomic(address, KM_BH_IRQ); -#endif 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; 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)); @@ -2736,7 +2438,7 @@ 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), 0); break; case REQUEST_SENSE: @@ -2746,7 +2448,7 @@ 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), 0); break; case MODE_SENSE: @@ -2758,7 +2460,7 @@ 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), 0); break; case READ_CAPACITY: @@ -2768,7 +2470,7 @@ static int gdth_internal_cache_cmd(int hanum,Scsi_Cmnd *scp) 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), 0); break; case SERVICE_ACTION_IN: @@ -2779,7 +2481,8 @@ 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), 0); } else { scp->result = DID_ABORT << 16; } @@ -2790,27 +2493,22 @@ 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, ushort hdrive) { - register gdth_ha_str *ha; register gdth_cmd_str *cmdp; - struct scatterlist *sl; + struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); ulong32 cnt, blockcnt; ulong64 no, blockno; - dma_addr_t phys_addr; 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)); @@ -2826,18 +2524,18 @@ 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) @@ -2898,17 +2596,17 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) 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 (gdth_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, gdth_sglist(scp), gdth_sg_count(scp), + cmndinfo->dma_dir); if (mode64) { + struct scatterlist *sl; + cmdp->u.cache64.DestAddr= (ulong64)-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) @@ -2919,9 +2617,11 @@ 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++; @@ -2937,38 +2637,6 @@ static int gdth_fill_cache_cmd(int hanum,Scsi_Cmnd *scp,ushort hdrive) } #endif - } else if (scp->request_bufflen) { - 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 */ @@ -3004,23 +2672,21 @@ 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, unchar b) { - register gdth_ha_str *ha; register gdth_cmd_str *cmdp; - struct scatterlist *sl; ushort i; - dma_addr_t phys_addr, sense_paddr; + dma_addr_t sense_paddr; int cmd_index, sgcnt, mode64; unchar t,l; struct page *page; ulong offset; + struct gdth_cmndinfo *cmndinfo; - ha = HADATA(gdth_ctr_tab[hanum]); t = scp->device->id; l = scp->device->lun; cmdp = ha->pccb; @@ -3035,26 +2701,27 @@ 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 */ @@ -3066,9 +2733,8 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) offset = (ulong)scp->sense_buffer & ~PAGE_MASK; sense_paddr = pci_map_page(ha->pdev,page,offset, 16,PCI_DMA_FROMDEVICE); - *(ulong32 *)&scp->SCp.buffer = (ulong32)sense_paddr; - /* high part, if 64bit */ - *(ulong32 *)&scp->host_scribble = (ulong32)((ulong64)sense_paddr >> 32); + + cmndinfo->sense_paddr = sense_paddr; cmdp->OpCode = GDT_WRITE; /* always */ cmdp->BoardNode = LOCALBOARD; if (mode64) { @@ -3080,7 +2746,7 @@ 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 = gdth_bufflen(scp); cmdp->u.raw64.sense_len = 16; cmdp->u.raw64.sense_data = sense_paddr; cmdp->u.raw64.direction = @@ -3097,7 +2763,7 @@ 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 = gdth_bufflen(scp); cmdp->u.raw.sense_len = 16; cmdp->u.raw.sense_data = sense_paddr; cmdp->u.raw.direction = @@ -3106,16 +2772,16 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) 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 (gdth_bufflen(scp)) { + cmndinfo->dma_dir = PCI_DMA_BIDIRECTIONAL; + sgcnt = pci_map_sg(ha->pdev, gdth_sglist(scp), gdth_sg_count(scp), + cmndinfo->dma_dir); if (mode64) { + struct scatterlist *sl; + cmdp->u.raw64.sdata = (ulong64)-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) @@ -3126,9 +2792,11 @@ 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++; @@ -3144,38 +2812,6 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) } #endif - } else if (scp->request_bufflen) { - 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", @@ -3209,35 +2845,33 @@ 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; 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)); + gdth_copy_internal_data(ha, scp, (char *)cmdp, sizeof(gdth_cmd_str), 1); 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) { @@ -3275,7 +2909,7 @@ static int gdth_special_cmd(int hanum,Scsi_Cmnd *scp) } /* copy command */ - gdth_copy_command(hanum); + gdth_copy_command(ha); return cmd_index; } @@ -3402,15 +3036,14 @@ static void gdth_clear_events(void) /* SCSI interface functions */ -static irqreturn_t gdth_interrupt(int irq,void *dev_id) +static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int irq, + 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; + int rval, i; unchar IStatus; ushort Service; ulong flags = 0; @@ -3431,17 +3064,15 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) } 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) { + if (0 == (IStatus = gdth_get_status(ha, irq))) { /* 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; @@ -3482,32 +3113,32 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) 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; @@ -3530,7 +3161,7 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) 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; @@ -3543,18 +3174,18 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) } 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; @@ -3567,13 +3198,13 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) 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; } @@ -3581,26 +3212,25 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) 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; @@ -3609,28 +3239,28 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) 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 @@ -3653,23 +3283,30 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id) /* 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 = (gdth_ha_str *)dev_id; + + return __gdth_interrupt(ha, irq, false, NULL); +} + +static int gdth_sync_event(gdth_ha_str *ha, int service, unchar index, + Scsi_Cmnd *scp) { - register gdth_ha_str *ha; gdth_msg_str *msg; gdth_cmd_str *cmdp; unchar 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)); @@ -3687,12 +3324,12 @@ 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; @@ -3702,8 +3339,8 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) + sizeof(ulong64); ha->cmd_cnt = 0; - gdth_copy_command(hanum); - gdth_release_event(hanum); + gdth_copy_command(ha); + gdth_release_event(ha); return 0; } @@ -3721,12 +3358,12 @@ 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; @@ -3736,74 +3373,67 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) + sizeof(ulong64); 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 (gdth_bufflen(scp)) + pci_unmap_sg(ha->pdev, gdth_sglist(scp), gdth_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) { + if (cmndinfo->OpCode == GDT_CLUST_INFO) { ha->hdr[t].cluster_type = (unchar)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 ? */ @@ -3816,17 +3446,17 @@ 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); @@ -3848,9 +3478,9 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) 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; @@ -3869,8 +3499,8 @@ 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; } @@ -4034,25 +3664,23 @@ 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; @@ -4062,7 +3690,7 @@ static int gdth_async_event(int hanum) ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) + sizeof(ulong64); 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); else if (ha->type == GDT_ISA) @@ -4070,19 +3698,19 @@ static int gdth_async_event(int hanum) else printk("[PCI %d/%d] ",(ushort)(ha->brd_phys>>8), (ushort)((ha->brd_phys>>3)&0x1f)); - gdth_release_event(hanum); + 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; @@ -4164,9 +3792,8 @@ static void gdth_timeout(ulong data) Scsi_Cmnd *nscp; gdth_ha_str *ha; ulong flags; - int hanum = 0; - ha = HADATA(gdth_ctr_tab[hanum]); + 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) @@ -4229,8 +3856,6 @@ 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)) @@ -4277,523 +3902,10 @@ int __init option_setup(char *str) return 1; } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -static int __init gdth_detect(struct scsi_host_template *shtp) -#else -static int __init gdth_detect(Scsi_Host_Template *shtp) -#endif -{ - 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,IRQF_DISABLED,"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,IRQF_DISABLED,"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].pdev->bus->number, - PCI_SLOT(pcistr[ctr].pdev->devfn), ha->irq); - - if (request_irq(ha->irq, gdth_interrupt, - IRQF_DISABLED|IRQF_SHARED, "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].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; - - 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, DMA_32BIT_MASK)) { - 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, DMA_64BIT_MASK)) { - printk("GDT-PCI %d: 64-bit DMA enabled\n", hanum); - } else if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) { - 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); - notifier_disabled = 0; - 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: @@ -4820,29 +3932,23 @@ 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 int gdth_eh_bus_reset(Scsi_Cmnd *scp) { - int i, hanum; - gdth_ha_str *ha; + gdth_ha_str *ha = shost_priv(scp->device->host); + int i; ulong flags; Scsi_Cmnd *cmnd; unchar 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); @@ -4859,9 +3965,9 @@ 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; @@ -4874,9 +3980,9 @@ 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); @@ -4884,30 +3990,18 @@ static int gdth_eh_bus_reset(Scsi_Cmnd *scp) 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; + 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 */ @@ -4925,33 +4019,42 @@ 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(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; + gdth_update_timeout(scp, scp->timeout_per_command * 6); + cmndinfo->priority = DEFAULT_PRI; + + gdth_set_bufflen(scp, scsi_bufflen(scp)); + gdth_set_sg_count(scp, scsi_sg_count(scp)); + gdth_set_sglist(scp, scsi_sglist(scp)); + + return __gdth_queuecommand(ha, scp, cmndinfo); +} + +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; - else - 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; } @@ -4959,12 +4062,10 @@ 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]); + 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); } TRACE(("gdth_open()\n")); @@ -4983,10 +4084,11 @@ static int ioc_event(void __user *arg) gdth_ha_str *ha; ulong 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) @@ -5020,11 +4122,12 @@ static int ioc_lockdrv(void __user *arg) ulong 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) @@ -5033,14 +4136,14 @@ 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); + gdth_stop_timeout(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_start_timeout(ha, ha->bus_cnt, j); + gdth_next(ha); } } return 0; @@ -5050,16 +4153,16 @@ static int ioc_resetdrv(void __user *arg, char *cmnd) { gdth_ioctl_reset res; gdth_cmd_str cmd; - int hanum; gdth_ha_str *ha; 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)); @@ -5085,22 +4188,21 @@ static int ioc_general(void __user *arg, char *cmnd) gdth_ioctl_general gen; char *buf = NULL; ulong64 paddr; - int hanum; gdth_ha_str *ha; int rval; - - if (copy_from_user(&gen, arg, sizeof(gdth_ioctl_general)) || - gen.ionode >= gdth_ctr_count) + + 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 + 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; } @@ -5174,7 +4276,7 @@ static int ioc_general(void __user *arg, char *cmnd) gen.command.u.raw.sense_data = (ulong32)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; } } @@ -5186,15 +4288,15 @@ static int ioc_general(void __user *arg, char *cmnd) 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; } @@ -5204,7 +4306,7 @@ static int ioc_hdrlist(void __user *arg, char *cmnd) gdth_cmd_str *cmd; gdth_ha_str *ha; unchar i; - int hanum, rc = -ENOMEM; + int rc = -ENOMEM; u32 cluster_type = 0; rsc = kmalloc(sizeof(*rsc), GFP_KERNEL); @@ -5213,12 +4315,10 @@ static int ioc_hdrlist(void __user *arg, char *cmnd) 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; } - hanum = rsc->ionode; - ha = HADATA(gdth_ctr_tab[hanum]); memset(cmd, 0, sizeof(gdth_cmd_str)); for (i = 0; i < MAX_HDRIVES; ++i) { @@ -5259,7 +4359,7 @@ static int ioc_rescan(void __user *arg, char *cmnd) gdth_cmd_str *cmd; ushort i, status, hdr_cnt; ulong32 info; - int hanum, cyls, hds, secs; + int cyls, hds, secs; int rc = -ENOMEM; ulong flags; gdth_ha_str *ha; @@ -5270,12 +4370,10 @@ static int ioc_rescan(void __user *arg, char *cmnd) 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; } - hanum = rsc->ionode; - ha = HADATA(gdth_ctr_tab[hanum]); memset(cmd, 0, sizeof(gdth_cmd_str)); if (rsc->flag == 0) { @@ -5432,9 +4530,9 @@ 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); } else { @@ -5473,10 +4571,9 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, unchar 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) { @@ -5484,16 +4581,16 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, 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); + gdth_wait_completion(ha, i, j); + gdth_stop_timeout(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); + gdth_start_timeout(ha, i, j); + gdth_next(ha); } } } @@ -5509,37 +4606,22 @@ 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]); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scp = kmalloc(sizeof(*scp), GFP_KERNEL); + scp = kzalloc(sizeof(*scp), GFP_KERNEL); if (!scp) return -ENOMEM; - memset(scp, 0, sizeof(*scp)); scp->device = ha->sdev; scp->cmd_len = 12; - scp->use_sg = 0; - scp->device->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); kfree(scp); -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - return -ENOMEM; - scp->cmd_len = 12; - scp->use_sg = 0; - scp->channel = virt_ctr ? 0 : res.number; - rval = gdth_eh_bus_reset(scp); - res.status = (rval == SUCCESS ? S_OK : S_GENERR); - scsi_release_command(scp); -#endif + if (copy_to_user(argp, &res, sizeof(gdth_ioctl_reset))) return -EFAULT; break; @@ -5556,16 +4638,14 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, /* 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; char cmnd[MAX_COMMAND_SIZE]; memset(cmnd, 0xff, MAX_COMMAND_SIZE); - TRACE2(("gdth_flush() hanum %d\n",hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE2(("gdth_flush() hanum %d\n", ha->hanum)); for (i = 0; i < MAX_HDRIVES; ++i) { if (ha->hdr[i].present) { @@ -5581,9 +4661,9 @@ 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)); + TRACE2(("gdth_flush(): flush ha %d drive %d\n", ha->hanum, i)); - gdth_execute(gdth_ctr_tab[hanum], &gdtcmd, cmnd, 30, NULL); + gdth_execute(ha->shost, &gdtcmd, cmnd, 30, NULL); } } } @@ -5591,7 +4671,7 @@ static void gdth_flush(int hanum) /* shutdown routine */ static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) { - int hanum; + gdth_ha_str *ha; #ifndef __alpha__ gdth_cmd_str gdtcmd; char cmnd[MAX_COMMAND_SIZE]; @@ -5606,8 +4686,8 @@ static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) notifier_disabled = 1; printk("GDT-HA: Flushing all host drives .. "); - for (hanum = 0; hanum < gdth_ctr_count; ++hanum) { - gdth_flush(hanum); + list_for_each_entry(ha, &gdth_instances, list) { + gdth_flush(ha); #ifndef __alpha__ /* controller reset */ @@ -5615,8 +4695,8 @@ static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) gdtcmd.BoardNode = LOCALBOARD; gdtcmd.Service = CACHESERVICE; gdtcmd.OpCode = GDT_RESET; - TRACE2(("gdth_halt(): reset controller %d\n", hanum)); - gdth_execute(gdth_ctr_tab[hanum], &gdtcmd, cmnd, 10, NULL); + TRACE2(("gdth_halt(): reset controller %d\n", ha->hanum)); + gdth_execute(ha->shost, &gdtcmd, cmnd, 10, NULL); #endif } printk("Done.\n"); @@ -5627,7 +4707,6 @@ static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) return NOTIFY_OK; } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) /* configure lun */ static int gdth_slave_configure(struct scsi_device *sdev) { @@ -5636,40 +4715,536 @@ static int gdth_slave_configure(struct scsi_device *sdev) sdev->skip_ms_page_8 = 1; return 0; } -#endif -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -static struct scsi_host_template driver_template = { -#else -static Scsi_Host_Template driver_template = { -#endif - .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, + .proc_info = gdth_proc_info, + .proc_name = "gdth", .can_queue = GDTH_MAXCMDS, -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - .slave_configure = gdth_slave_configure, -#endif .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, +}; + +#ifdef CONFIG_ISA +static int gdth_isa_probe_one(ulong32 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, IRQF_DISABLED, "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); + 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 gdth_eisa_probe_one(ushort 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, IRQF_DISABLED, "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_coal_stat; + list_add_tail(&ha->list, &gdth_instances); + 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, int ctr) +{ + struct Scsi_Host *shp; + gdth_ha_str *ha; + dma_addr_t scratch_dma_handle = 0; + int error, i; + + shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); + if (!shp) + return -ENOMEM; + ha = shost_priv(shp); + + error = -ENODEV; + if (!gdth_init_pci(&pcistr[ctr],ha)) + goto out_host_put; + + /* controller found and initialized */ + printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n", + pcistr[ctr].pdev->bus->number, + PCI_SLOT(pcistr[ctr].pdev->devfn), + ha->irq); + + error = request_irq(ha->irq, gdth_interrupt, + IRQF_DISABLED|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 = pcistr[ctr].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(pcistr[ctr].pdev, DMA_32BIT_MASK)) { + 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(pcistr[ctr].pdev, DMA_64BIT_MASK)) { + printk("GDT-PCI %d: 64-bit DMA enabled\n", ha->hanum); + } else if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) { + 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, &pcistr[ctr].pdev->dev); + if (error) + goto out_free_coal_stat; + list_add_tail(&ha->list, &gdth_instances); + 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); + + if (ha->sdev) { + scsi_free_host_dev(ha->sdev); + ha->sdev = NULL; + } + + gdth_flush(ha); + + 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 __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(); + + /* 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 + ulong32 isa_bios; + for (isa_bios = 0xc8000UL; isa_bios <= 0xd8000UL; + isa_bios += 0x8000UL) + gdth_isa_probe_one(isa_bios); +#endif +#ifdef CONFIG_EISA + { + ushort 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 */ + { + gdth_pci_str pcistr[MAXHA]; + int cnt,ctr; + + 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) + gdth_pci_probe_one(pcistr, ctr); + } +#endif /* CONFIG_PCI */ + + TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count)); +#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); + notifier_disabled = 0; + register_reboot_notifier(&gdth_notifier); + gdth_polling = FALSE; + return 0; +} + +static void __exit gdth_exit(void) +{ + gdth_ha_str *ha; + + list_for_each_entry(ha, &gdth_instances, list) + gdth_remove_one(ha); + +#ifdef GDTH_STATISTICS + del_timer(&gdth_timer); +#endif + unregister_chrdev(major,"gdth"); + unregister_reboot_notifier(&gdth_notifier); +} + +module_init(gdth_init); +module_exit(gdth_exit); -#include "scsi_module.c" #ifndef MODULE __setup("gdth=", option_setup); #endif |