* The boards are named EATA0, EATA1,... according to the detection order.
*
* In order to support multiple ISA boards in a reliable way,
- * the driver sets host->wish_block = TRUE for all ISA boards.
+ * the driver sets host->wish_block = 1 for all ISA boards.
*/
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/delay.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/byteorder.h>
#include <linux/proc_fs.h>
#include <linux/blkdev.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/ctype.h>
#include <linux/spinlock.h>
-#include <scsi/scsicam.h>
-#include "scsi.h"
-#include <scsi/scsi_host.h>
+#include <asm/byteorder.h>
#include <asm/dma.h>
+#include <asm/io.h>
#include <asm/irq.h>
-static int eata2x_detect(Scsi_Host_Template *);
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsicam.h>
+
+static int eata2x_detect(struct scsi_host_template *);
static int eata2x_release(struct Scsi_Host *);
-static int eata2x_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
-static int eata2x_eh_abort(Scsi_Cmnd *);
-static int eata2x_eh_host_reset(Scsi_Cmnd *);
+static int eata2x_queuecommand(struct scsi_cmnd *,
+ void (*done) (struct scsi_cmnd *));
+static int eata2x_eh_abort(struct scsi_cmnd *);
+static int eata2x_eh_host_reset(struct scsi_cmnd *);
static int eata2x_bios_param(struct scsi_device *, struct block_device *,
- sector_t, int *);
-static int eata2x_slave_configure(Scsi_Device *);
-
-static Scsi_Host_Template driver_template = {
- .name = "EATA/DMA 2.0x rev. 8.10.00 ",
- .detect = eata2x_detect,
- .release = eata2x_release,
- .queuecommand = eata2x_queuecommand,
- .eh_abort_handler = eata2x_eh_abort,
- .eh_device_reset_handler = NULL,
- .eh_bus_reset_handler = NULL,
- .eh_host_reset_handler = eata2x_eh_host_reset,
- .bios_param = eata2x_bios_param,
- .slave_configure = eata2x_slave_configure,
- .this_id = 7,
- .unchecked_isa_dma = 1,
- .use_clustering = ENABLE_CLUSTERING
- };
+ sector_t, int *);
+static int eata2x_slave_configure(struct scsi_device *);
+
+static struct scsi_host_template driver_template = {
+ .name = "EATA/DMA 2.0x rev. 8.10.00 ",
+ .detect = eata2x_detect,
+ .release = eata2x_release,
+ .queuecommand = eata2x_queuecommand,
+ .eh_abort_handler = eata2x_eh_abort,
+ .eh_device_reset_handler = NULL,
+ .eh_bus_reset_handler = NULL,
+ .eh_host_reset_handler = eata2x_eh_host_reset,
+ .bios_param = eata2x_bios_param,
+ .slave_configure = eata2x_slave_configure,
+ .this_id = 7,
+ .unchecked_isa_dma = 1,
+ .use_clustering = ENABLE_CLUSTERING
+};
+
#if !defined(__BIG_ENDIAN_BITFIELD) && !defined(__LITTLE_ENDIAN_BITFIELD)
#error "Adjust your <asm/byteorder.h> defines"
#endif
#define MAX_TAGGED_CMD_PER_LUN (MAX_MAILBOXES - MAX_CMD_PER_LUN)
#define SKIP ULONG_MAX
-#define FALSE 0
-#define TRUE 1
#define FREE 0
#define IN_USE 1
#define LOCKED 2
/* Board info structure */
struct eata_info {
- u_int32_t data_len; /* Number of valid bytes after this field */
- u_int32_t sign; /* ASCII "EATA" signature */
+ u_int32_t data_len; /* Number of valid bytes after this field */
+ u_int32_t sign; /* ASCII "EATA" signature */
#if defined(__BIG_ENDIAN_BITFIELD)
- unchar version:4, :4;
- unchar haaval:1, ata:1, drqvld:1, dmasup:1, morsup:1, trnxfr:1, tarsup:1,
- ocsena:1;
+ unchar version : 4,
+ : 4;
+ unchar haaval : 1,
+ ata : 1,
+ drqvld : 1,
+ dmasup : 1,
+ morsup : 1,
+ trnxfr : 1,
+ tarsup : 1,
+ ocsena : 1;
#else
- unchar :4, /* unused low nibble */
- version:4; /* EATA version, should be 0x1 */
- unchar ocsena:1, /* Overlap Command Support Enabled */
- tarsup:1, /* Target Mode Supported */
- trnxfr:1, /* Truncate Transfer Cmd NOT Necessary */
- morsup:1, /* More Supported */
- dmasup:1, /* DMA Supported */
- drqvld:1, /* DRQ Index (DRQX) is valid */
- ata:1, /* This is an ATA device */
- haaval:1; /* Host Adapter Address Valid */
+ unchar : 4, /* unused low nibble */
+ version : 4; /* EATA version, should be 0x1 */
+ unchar ocsena : 1, /* Overlap Command Support Enabled */
+ tarsup : 1, /* Target Mode Supported */
+ trnxfr : 1, /* Truncate Transfer Cmd NOT Necessary */
+ morsup : 1, /* More Supported */
+ dmasup : 1, /* DMA Supported */
+ drqvld : 1, /* DRQ Index (DRQX) is valid */
+ ata : 1, /* This is an ATA device */
+ haaval : 1; /* Host Adapter Address Valid */
#endif
- ushort cp_pad_len; /* Number of pad bytes after cp_len */
- unchar host_addr[4]; /* Host Adapter SCSI ID for channels 3, 2, 1, 0 */
- u_int32_t cp_len; /* Number of valid bytes in cp */
- u_int32_t sp_len; /* Number of valid bytes in sp */
- ushort queue_size; /* Max number of cp that can be queued */
- ushort unused;
- ushort scatt_size; /* Max number of entries in scatter/gather table */
+ ushort cp_pad_len; /* Number of pad bytes after cp_len */
+ unchar host_addr[4]; /* Host Adapter SCSI ID for channels 3, 2, 1, 0 */
+ u_int32_t cp_len; /* Number of valid bytes in cp */
+ u_int32_t sp_len; /* Number of valid bytes in sp */
+ ushort queue_size; /* Max number of cp that can be queued */
+ ushort unused;
+ ushort scatt_size; /* Max number of entries in scatter/gather table */
#if defined(__BIG_ENDIAN_BITFIELD)
- unchar drqx:2, second:1, irq_tr:1, irq:4;
- unchar sync;
- unchar :4, res1:1, large_sg:1, forcaddr:1, isaena:1;
- unchar max_chan:3, max_id:5;
- unchar max_lun;
- unchar eisa:1, pci:1, idquest:1, m1:1, :4;
+ unchar drqx : 2,
+ second : 1,
+ irq_tr : 1,
+ irq : 4;
+ unchar sync;
+ unchar : 4,
+ res1 : 1,
+ large_sg : 1,
+ forcaddr : 1,
+ isaena : 1;
+ unchar max_chan : 3,
+ max_id : 5;
+ unchar max_lun;
+ unchar eisa : 1,
+ pci : 1,
+ idquest : 1,
+ m1 : 1,
+ : 4;
#else
- unchar irq:4, /* Interrupt Request assigned to this controller */
- irq_tr:1, /* 0 for edge triggered, 1 for level triggered */
- second:1, /* 1 if this is a secondary (not primary) controller */
- drqx:2; /* DRQ Index (0=DMA0, 1=DMA7, 2=DMA6, 3=DMA5) */
- unchar sync; /* 1 if scsi target id 7...0 is running sync scsi */
-
- /* Structure extension defined in EATA 2.0B */
- unchar isaena:1, /* ISA i/o addressing is disabled/enabled */
- forcaddr:1, /* Port address has been forced */
- large_sg:1, /* 1 if large SG lists are supported */
- res1:1,
- :4;
- unchar max_id:5, /* Max SCSI target ID number */
- max_chan:3; /* Max SCSI channel number on this board */
-
- /* Structure extension defined in EATA 2.0C */
- unchar max_lun; /* Max SCSI LUN number */
- unchar :4,
- m1:1, /* This is a PCI with an M1 chip installed */
- idquest:1, /* RAIDNUM returned is questionable */
- pci:1, /* This board is PCI */
- eisa:1; /* This board is EISA */
+ unchar irq : 4, /* Interrupt Request assigned to this controller */
+ irq_tr : 1, /* 0 for edge triggered, 1 for level triggered */
+ second : 1, /* 1 if this is a secondary (not primary) controller */
+ drqx : 2; /* DRQ Index (0=DMA0, 1=DMA7, 2=DMA6, 3=DMA5) */
+ unchar sync; /* 1 if scsi target id 7...0 is running sync scsi */
+
+ /* Structure extension defined in EATA 2.0B */
+ unchar isaena : 1, /* ISA i/o addressing is disabled/enabled */
+ forcaddr : 1, /* Port address has been forced */
+ large_sg : 1, /* 1 if large SG lists are supported */
+ res1 : 1,
+ : 4;
+ unchar max_id : 5, /* Max SCSI target ID number */
+ max_chan : 3; /* Max SCSI channel number on this board */
+
+ /* Structure extension defined in EATA 2.0C */
+ unchar max_lun; /* Max SCSI LUN number */
+ unchar
+ : 4,
+ m1 : 1, /* This is a PCI with an M1 chip installed */
+ idquest : 1, /* RAIDNUM returned is questionable */
+ pci : 1, /* This board is PCI */
+ eisa : 1; /* This board is EISA */
#endif
- unchar raidnum; /* Uniquely identifies this HBA in a system */
- unchar notused;
+ unchar raidnum; /* Uniquely identifies this HBA in a system */
+ unchar notused;
- ushort ipad[247];
- };
+ ushort ipad[247];
+};
/* Board config structure */
struct eata_config {
- ushort len; /* Number of bytes following this field */
+ ushort len; /* Number of bytes following this field */
#if defined(__BIG_ENDIAN_BITFIELD)
- unchar :4, tarena:1, mdpena:1, ocena:1, edis:1;
+ unchar : 4,
+ tarena : 1,
+ mdpena : 1,
+ ocena : 1,
+ edis : 1;
#else
- unchar edis:1, /* Disable EATA interface after config command */
- ocena:1, /* Overlapped Commands Enabled */
- mdpena:1, /* Transfer all Modified Data Pointer Messages */
- tarena:1, /* Target Mode Enabled for this controller */
- :4;
+ unchar edis : 1, /* Disable EATA interface after config command */
+ ocena : 1, /* Overlapped Commands Enabled */
+ mdpena : 1, /* Transfer all Modified Data Pointer Messages */
+ tarena : 1, /* Target Mode Enabled for this controller */
+ : 4;
#endif
-
- unchar cpad[511];
- };
+ unchar cpad[511];
+};
/* Returned status packet structure */
struct mssp {
-
#if defined(__BIG_ENDIAN_BITFIELD)
- unchar eoc:1, adapter_status:7;
+ unchar eoc : 1,
+ adapter_status : 7;
#else
- unchar adapter_status:7, /* State related to current command */
- eoc:1; /* End Of Command (1 = command completed) */
+ unchar adapter_status : 7, /* State related to current command */
+ eoc : 1; /* End Of Command (1 = command completed) */
#endif
-
- unchar target_status; /* SCSI status received after data transfer */
- unchar unused[2];
- u_int32_t inv_res_len; /* Number of bytes not transferred */
- u_int32_t cpp_index; /* Index of address set in cp */
- char mess[12];
- };
+ unchar target_status; /* SCSI status received after data transfer */
+ unchar unused[2];
+ u_int32_t inv_res_len; /* Number of bytes not transferred */
+ u_int32_t cpp_index; /* Index of address set in cp */
+ char mess[12];
+};
struct sg_list {
- unsigned int address; /* Segment Address */
- unsigned int num_bytes; /* Segment Length */
- };
+ unsigned int address; /* Segment Address */
+ unsigned int num_bytes; /* Segment Length */
+};
/* MailBox SCSI Command Packet */
struct mscp {
-
#if defined(__BIG_ENDIAN_BITFIELD)
- unchar din:1, dout:1, interp:1, :1, sg:1, reqsen:1, init:1, sreset:1;
- unchar sense_len;
- unchar unused[3];
- unchar :7, fwnest:1;
- unchar :5, hbaci:1, iat:1, phsunit:1;
- unchar channel:3, target:5;
- unchar one:1, dispri:1, luntar:1, lun:5;
+ unchar din : 1,
+ dout : 1,
+ interp : 1,
+ : 1,
+ sg : 1,
+ reqsen :1,
+ init : 1,
+ sreset : 1;
+ unchar sense_len;
+ unchar unused[3];
+ unchar : 7,
+ fwnest : 1;
+ unchar : 5,
+ hbaci : 1,
+ iat : 1,
+ phsunit : 1;
+ unchar channel : 3,
+ target : 5;
+ unchar one : 1,
+ dispri : 1,
+ luntar : 1,
+ lun : 5;
#else
- unchar sreset:1, /* SCSI Bus Reset Signal should be asserted */
- init:1, /* Re-initialize controller and self test */
- reqsen:1, /* Transfer Request Sense Data to addr using DMA */
- sg:1, /* Use Scatter/Gather */
- :1,
- interp:1, /* The controller interprets cp, not the target */
- dout:1, /* Direction of Transfer is Out (Host to Target) */
- din:1; /* Direction of Transfer is In (Target to Host) */
- unchar sense_len; /* Request Sense Length */
- unchar unused[3];
- unchar fwnest:1, /* Send command to a component of an Array Group */
- :7;
- unchar phsunit:1, /* Send to Target Physical Unit (bypass RAID) */
- iat:1, /* Inhibit Address Translation */
- hbaci:1, /* Inhibit HBA Caching for this command */
- :5;
- unchar target:5, /* SCSI target ID */
- channel:3; /* SCSI channel number */
- unchar lun:5, /* SCSI logical unit number */
- luntar:1, /* This cp is for Target (not LUN) */
- dispri:1, /* Disconnect Privilege granted */
- one:1; /* 1 */
+ unchar sreset :1, /* SCSI Bus Reset Signal should be asserted */
+ init :1, /* Re-initialize controller and self test */
+ reqsen :1, /* Transfer Request Sense Data to addr using DMA */
+ sg :1, /* Use Scatter/Gather */
+ :1,
+ interp :1, /* The controller interprets cp, not the target */
+ dout :1, /* Direction of Transfer is Out (Host to Target) */
+ din :1; /* Direction of Transfer is In (Target to Host) */
+ unchar sense_len; /* Request Sense Length */
+ unchar unused[3];
+ unchar fwnest : 1, /* Send command to a component of an Array Group */
+ : 7;
+ unchar phsunit : 1, /* Send to Target Physical Unit (bypass RAID) */
+ iat : 1, /* Inhibit Address Translation */
+ hbaci : 1, /* Inhibit HBA Caching for this command */
+ : 5;
+ unchar target : 5, /* SCSI target ID */
+ channel : 3; /* SCSI channel number */
+ unchar lun : 5, /* SCSI logical unit number */
+ luntar : 1, /* This cp is for Target (not LUN) */
+ dispri : 1, /* Disconnect Privilege granted */
+ one : 1; /* 1 */
#endif
- unchar mess[3]; /* Massage to/from Target */
- unchar cdb[12]; /* Command Descriptor Block */
- u_int32_t data_len; /* If sg=0 Data Length, if sg=1 sglist length */
- u_int32_t cpp_index; /* Index of address to be returned in sp */
- u_int32_t data_address; /* If sg=0 Data Address, if sg=1 sglist address */
- u_int32_t sp_dma_addr; /* Address where sp is DMA'ed when cp completes */
- u_int32_t sense_addr; /* Address where Sense Data is DMA'ed on error */
+ unchar mess[3]; /* Massage to/from Target */
+ unchar cdb[12]; /* Command Descriptor Block */
+ u_int32_t data_len; /* If sg=0 Data Length, if sg=1 sglist length */
+ u_int32_t cpp_index; /* Index of address to be returned in sp */
+ u_int32_t data_address; /* If sg=0 Data Address, if sg=1 sglist address */
+ u_int32_t sp_dma_addr; /* Address where sp is DMA'ed when cp completes */
+ u_int32_t sense_addr; /* Address where Sense Data is DMA'ed on error */
- /* Additional fields begin here. */
- Scsi_Cmnd *SCpnt;
+ /* Additional fields begin here. */
+ struct scsi_cmnd *SCpnt;
- /* All the cp structure is zero filled by queuecommand except the
- following CP_TAIL_SIZE bytes, initialized by detect */
- dma_addr_t cp_dma_addr; /* dma handle for this cp structure */
- struct sg_list *sglist; /* pointer to the allocated SG list */
- };
+ /* All the cp structure is zero filled by queuecommand except the
+ following CP_TAIL_SIZE bytes, initialized by detect */
+ dma_addr_t cp_dma_addr; /* dma handle for this cp structure */
+ struct sg_list *sglist; /* pointer to the allocated SG list */
+};
#define CP_TAIL_SIZE (sizeof(struct sglist *) + sizeof(dma_addr_t))
struct hostdata {
- struct mscp cp[MAX_MAILBOXES]; /* Mailboxes for this board */
- unsigned int cp_stat[MAX_MAILBOXES]; /* FREE, IN_USE, LOCKED, IN_RESET */
- unsigned int last_cp_used; /* Index of last mailbox used */
- unsigned int iocount; /* Total i/o done for this board */
- int board_number; /* Number of this board */
- char board_name[16]; /* Name of this board */
- int in_reset; /* True if board is doing a reset */
- int target_to[MAX_TARGET][MAX_CHANNEL]; /* N. of timeout errors on target */
- int target_redo[MAX_TARGET][MAX_CHANNEL]; /* If TRUE redo i/o on target */
- unsigned int retries; /* Number of internal retries */
- unsigned long last_retried_pid; /* Pid of last retried command */
- unsigned char subversion; /* Bus type, either ISA or EISA/PCI */
- unsigned char protocol_rev; /* EATA 2.0 rev., 'A' or 'B' or 'C' */
- unsigned char is_pci; /* TRUE is bus type is PCI */
- struct pci_dev *pdev; /* pdev for PCI bus, NULL otherwise */
- struct mssp *sp_cpu_addr; /* cpu addr for DMA buffer sp */
- dma_addr_t sp_dma_addr; /* dma handle for DMA buffer sp */
- struct mssp sp; /* Local copy of sp buffer */
- };
-
-static struct Scsi_Host *sh[MAX_BOARDS + 1];
+ struct mscp cp[MAX_MAILBOXES]; /* Mailboxes for this board */
+ unsigned int cp_stat[MAX_MAILBOXES]; /* FREE, IN_USE, LOCKED, IN_RESET */
+ unsigned int last_cp_used; /* Index of last mailbox used */
+ unsigned int iocount; /* Total i/o done for this board */
+ int board_number; /* Number of this board */
+ char board_name[16]; /* Name of this board */
+ int in_reset; /* True if board is doing a reset */
+ int target_to[MAX_TARGET][MAX_CHANNEL]; /* N. of timeout errors on target */
+ int target_redo[MAX_TARGET][MAX_CHANNEL]; /* If 1 redo i/o on target */
+ unsigned int retries; /* Number of internal retries */
+ unsigned long last_retried_pid; /* Pid of last retried command */
+ unsigned char subversion; /* Bus type, either ISA or EISA/PCI */
+ unsigned char protocol_rev; /* EATA 2.0 rev., 'A' or 'B' or 'C' */
+ unsigned char is_pci; /* 1 is bus type is PCI */
+ struct pci_dev *pdev; /* pdev for PCI bus, NULL otherwise */
+ struct mssp *sp_cpu_addr; /* cpu addr for DMA buffer sp */
+ dma_addr_t sp_dma_addr; /* dma handle for DMA buffer sp */
+ struct mssp sp; /* Local copy of sp buffer */
+};
+
+static struct Scsi_Host *sh[MAX_BOARDS];
static const char *driver_name = "EATA";
static char sha[MAX_BOARDS];
-static spinlock_t driver_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(driver_lock);
/* Initialize num_boards so that ihdlr can work while detect is in progress */
static unsigned int num_boards = MAX_BOARDS;
static unsigned long io_port[] = {
- /* Space for MAX_INT_PARAM ports usable while loading as a module */
- SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP,
- SKIP, SKIP,
-
- /* First ISA */
- 0x1f0,
+ /* Space for MAX_INT_PARAM ports usable while loading as a module */
+ SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP,
+ SKIP, SKIP,
- /* Space for MAX_PCI ports possibly reported by PCI_BIOS */
- SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP,
- SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP,
+ /* First ISA */
+ 0x1f0,
- /* MAX_EISA ports */
- 0x1c88, 0x2c88, 0x3c88, 0x4c88, 0x5c88, 0x6c88, 0x7c88, 0x8c88,
- 0x9c88, 0xac88, 0xbc88, 0xcc88, 0xdc88, 0xec88, 0xfc88,
+ /* Space for MAX_PCI ports possibly reported by PCI_BIOS */
+ SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP,
+ SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP, SKIP,
- /* Other (MAX_ISA - 1) ports */
- 0x170, 0x230, 0x330,
+ /* MAX_EISA ports */
+ 0x1c88, 0x2c88, 0x3c88, 0x4c88, 0x5c88, 0x6c88, 0x7c88, 0x8c88,
+ 0x9c88, 0xac88, 0xbc88, 0xcc88, 0xdc88, 0xec88, 0xfc88,
- /* End of list */
- 0x0
- };
+ /* Other (MAX_ISA - 1) ports */
+ 0x170, 0x230, 0x330,
-#define HD(board) ((struct hostdata *) &sh[board]->hostdata)
-#define BN(board) (HD(board)->board_name)
+ /* End of list */
+ 0x0
+};
/* Device is Big Endian */
#define H2DEV(x) cpu_to_be32(x)
#define REG2H(x) le16_to_cpu(x)
static irqreturn_t do_interrupt_handler(int, void *, struct pt_regs *);
-static void flush_dev(Scsi_Device *, unsigned long, unsigned int, unsigned int);
-static int do_trace = FALSE;
-static int setup_done = FALSE;
+static void flush_dev(struct scsi_device *, unsigned long, struct hostdata *,
+ unsigned int);
+static int do_trace = 0;
+static int setup_done = 0;
static int link_statistics;
-static int ext_tran = FALSE;
-static int rev_scan = TRUE;
+static int ext_tran = 0;
+static int rev_scan = 1;
#if defined(CONFIG_SCSI_EATA_TAGGED_QUEUE)
static int tag_mode = TAG_SIMPLE;
#endif
#if defined(CONFIG_SCSI_EATA_LINKED_COMMANDS)
-static int linked_comm = TRUE;
+static int linked_comm = 1;
#else
-static int linked_comm = FALSE;
+static int linked_comm = 0;
#endif
#if defined(CONFIG_SCSI_EATA_MAX_TAGS)
#endif
#if defined(CONFIG_ISA)
-static int isa_probe = TRUE;
+static int isa_probe = 1;
#else
-static int isa_probe = FALSE;
+static int isa_probe = 0;
#endif
#if defined(CONFIG_EISA)
-static int eisa_probe = TRUE;
+static int eisa_probe = 1;
#else
-static int eisa_probe = FALSE;
+static int eisa_probe = 0;
#endif
#if defined(CONFIG_PCI)
-static int pci_probe = TRUE;
+static int pci_probe = 1;
#else
-static int pci_probe = FALSE;
+static int pci_probe = 0;
#endif
#define MAX_INT_PARAM 10
#include <linux/moduleparam.h>
module_param_string(eata, boot_options, MAX_BOOT_OPTIONS_SIZE, 0);
-MODULE_PARM_DESC(eata, " equivalent to the \"eata=...\" kernel boot option." \
-" Example: modprobe eata \"eata=0x7410,0x230,lc:y,tm:0,mq:4,ep:n\"");
+MODULE_PARM_DESC(eata, " equivalent to the \"eata=...\" kernel boot option."
+ " Example: modprobe eata \"eata=0x7410,0x230,lc:y,tm:0,mq:4,ep:n\"");
MODULE_AUTHOR("Dario Ballabio");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("EATA/DMA SCSI Driver");
#endif
-static int eata2x_slave_configure(Scsi_Device *dev) {
- int j, tqd, utqd;
- char *tag_suffix, *link_suffix;
- struct Scsi_Host *host = dev->host;
-
- j = ((struct hostdata *) host->hostdata)->board_number;
-
- utqd = MAX_CMD_PER_LUN;
- tqd = max_queue_depth;
-
- if (TLDEV(dev->type) && dev->tagged_supported)
-
- if (tag_mode == TAG_SIMPLE) {
- scsi_adjust_queue_depth(dev, MSG_SIMPLE_TAG, tqd);
- tag_suffix = ", simple tags";
- }
- else if (tag_mode == TAG_ORDERED) {
- scsi_adjust_queue_depth(dev, MSG_ORDERED_TAG, tqd);
- tag_suffix = ", ordered tags";
- }
- else {
- scsi_adjust_queue_depth(dev, 0, tqd);
- tag_suffix = ", no tags";
- }
-
- else if (TLDEV(dev->type) && linked_comm) {
- scsi_adjust_queue_depth(dev, 0, tqd);
- tag_suffix = ", untagged";
- }
-
- else {
- scsi_adjust_queue_depth(dev, 0, utqd);
- tag_suffix = "";
- }
-
- if (TLDEV(dev->type) && linked_comm && dev->queue_depth > 2)
- link_suffix = ", sorted";
- else if (TLDEV(dev->type))
- link_suffix = ", unsorted";
- else
- link_suffix = "";
-
- printk("%s: scsi%d, channel %d, id %d, lun %d, cmds/lun %d%s%s.\n",
- BN(j), host->host_no, dev->channel, dev->id, dev->lun,
- dev->queue_depth, link_suffix, tag_suffix);
-
- return FALSE;
+static int eata2x_slave_configure(struct scsi_device *dev)
+{
+ int tqd, utqd;
+ char *tag_suffix, *link_suffix;
+ struct Scsi_Host *shost = dev->host;
+ struct hostdata *ha = (struct hostdata *)shost->hostdata;
+
+ utqd = MAX_CMD_PER_LUN;
+ tqd = max_queue_depth;
+
+ if (TLDEV(dev->type) && dev->tagged_supported) {
+ if (tag_mode == TAG_SIMPLE) {
+ scsi_adjust_queue_depth(dev, MSG_SIMPLE_TAG, tqd);
+ tag_suffix = ", simple tags";
+ } else if (tag_mode == TAG_ORDERED) {
+ scsi_adjust_queue_depth(dev, MSG_ORDERED_TAG, tqd);
+ tag_suffix = ", ordered tags";
+ } else {
+ scsi_adjust_queue_depth(dev, 0, tqd);
+ tag_suffix = ", no tags";
+ }
+ } else if (TLDEV(dev->type) && linked_comm) {
+ scsi_adjust_queue_depth(dev, 0, tqd);
+ tag_suffix = ", untagged";
+ } else {
+ scsi_adjust_queue_depth(dev, 0, utqd);
+ tag_suffix = "";
+ }
+
+ if (TLDEV(dev->type) && linked_comm && dev->queue_depth > 2)
+ link_suffix = ", sorted";
+ else if (TLDEV(dev->type))
+ link_suffix = ", unsorted";
+ else
+ link_suffix = "";
+
+ printk("%s: scsi%d, channel %d, id %d, lun %d, cmds/lun %d%s%s.\n",
+ ha->board_name, shost->host_no, dev->channel, dev->id, dev->lun,
+ dev->queue_depth, link_suffix, tag_suffix);
+
+ return 0;
}
-static int wait_on_busy(unsigned long iobase, unsigned int loop) {
-
- while (inb(iobase + REG_AUX_STATUS) & ABSY_ASSERTED) {
- udelay(1L);
- if (--loop == 0) return TRUE;
- }
-
- return FALSE;
+static int wait_on_busy(unsigned long iobase, unsigned int loop)
+{
+ while (inb(iobase + REG_AUX_STATUS) & ABSY_ASSERTED) {
+ udelay(1L);
+ if (--loop == 0)
+ return 1;
+ }
+ return 0;
}
-static int do_dma(unsigned long iobase, unsigned long addr, unchar cmd) {
- unsigned char *byaddr;
- unsigned long devaddr;
-
- if (wait_on_busy(iobase, (addr ? MAXLOOP * 100 : MAXLOOP))) return TRUE;
-
- if (addr) {
- devaddr = H2DEV(addr);
- byaddr = (unsigned char *) &devaddr;
- outb(byaddr[3], iobase + REG_LOW);
- outb(byaddr[2], iobase + REG_LM);
- outb(byaddr[1], iobase + REG_MID);
- outb(byaddr[0], iobase + REG_MSB);
- }
-
- outb(cmd, iobase + REG_CMD);
- return FALSE;
+static int do_dma(unsigned long iobase, unsigned long addr, unchar cmd)
+{
+ unsigned char *byaddr;
+ unsigned long devaddr;
+
+ if (wait_on_busy(iobase, (addr ? MAXLOOP * 100 : MAXLOOP)))
+ return 1;
+
+ if (addr) {
+ devaddr = H2DEV(addr);
+ byaddr = (unsigned char *)&devaddr;
+ outb(byaddr[3], iobase + REG_LOW);
+ outb(byaddr[2], iobase + REG_LM);
+ outb(byaddr[1], iobase + REG_MID);
+ outb(byaddr[0], iobase + REG_MSB);
+ }
+
+ outb(cmd, iobase + REG_CMD);
+ return 0;
}
-static int read_pio(unsigned long iobase, ushort *start, ushort *end) {
- unsigned int loop = MAXLOOP;
- ushort *p;
-
- for (p = start; p <= end; p++) {
-
- while (!(inb(iobase + REG_STATUS) & DRQ_ASSERTED)) {
- udelay(1L);
- if (--loop == 0) return TRUE;
- }
-
- loop = MAXLOOP;
- *p = REG2H(inw(iobase));
- }
-
- return FALSE;
+static int read_pio(unsigned long iobase, ushort * start, ushort * end)
+{
+ unsigned int loop = MAXLOOP;
+ ushort *p;
+
+ for (p = start; p <= end; p++) {
+ while (!(inb(iobase + REG_STATUS) & DRQ_ASSERTED)) {
+ udelay(1L);
+ if (--loop == 0)
+ return 1;
+ }
+ loop = MAXLOOP;
+ *p = REG2H(inw(iobase));
+ }
+
+ return 0;
}
-static struct pci_dev *get_pci_dev(unsigned long port_base) {
-
+static struct pci_dev *get_pci_dev(unsigned long port_base)
+{
#if defined(CONFIG_PCI)
+ unsigned int addr;
+ struct pci_dev *dev = NULL;
- unsigned int addr;
- struct pci_dev *dev = NULL;
-
- while((dev = pci_find_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
- addr = pci_resource_start (dev, 0);
+ while ((dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
+ addr = pci_resource_start(dev, 0);
#if defined(DEBUG_PCI_DETECT)
- printk("%s: get_pci_dev, bus %d, devfn 0x%x, addr 0x%x.\n",
- driver_name, dev->bus->number, dev->devfn, addr);
+ printk("%s: get_pci_dev, bus %d, devfn 0x%x, addr 0x%x.\n",
+ driver_name, dev->bus->number, dev->devfn, addr);
#endif
- if (addr + PCI_BASE_ADDRESS_0 == port_base) return dev;
- }
-
-#endif /* end CONFIG_PCI */
-
- return NULL;
+ /* we are in so much trouble for a pci hotplug system with this driver
+ * anyway, so doing this at least lets people unload the driver and not
+ * cause memory problems, but in general this is a bad thing to do (this
+ * driver needs to be converted to the proper PCI api someday... */
+ pci_dev_put(dev);
+ if (addr + PCI_BASE_ADDRESS_0 == port_base)
+ return dev;
+ }
+#endif /* end CONFIG_PCI */
+ return NULL;
}
-static void enable_pci_ports(void) {
-
+static void enable_pci_ports(void)
+{
#if defined(CONFIG_PCI)
+ struct pci_dev *dev = NULL;
- struct pci_dev *dev = NULL;
-
- while((dev = pci_find_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
-
+ while ((dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) {
#if defined(DEBUG_PCI_DETECT)
- printk("%s: enable_pci_ports, bus %d, devfn 0x%x.\n",
- driver_name, dev->bus->number, dev->devfn);
+ printk("%s: enable_pci_ports, bus %d, devfn 0x%x.\n",
+ driver_name, dev->bus->number, dev->devfn);
#endif
- if (pci_enable_device (dev))
- printk("%s: warning, pci_enable_device failed, bus %d devfn 0x%x.\n",
- driver_name, dev->bus->number, dev->devfn);
- }
+ if (pci_enable_device(dev))
+ printk
+ ("%s: warning, pci_enable_device failed, bus %d devfn 0x%x.\n",
+ driver_name, dev->bus->number, dev->devfn);
+ }
-#endif /* end CONFIG_PCI */
+#endif /* end CONFIG_PCI */
}
-static int port_detect \
- (unsigned long port_base, unsigned int j, Scsi_Host_Template *tpnt) {
- unsigned char irq, dma_channel, subversion, i, is_pci = FALSE;
- unsigned char protocol_rev;
- struct eata_info info;
- char *bus_type, dma_name[16];
- struct pci_dev *pdev;
-
- /* Allowed DMA channels for ISA (0 indicates reserved) */
- unsigned char dma_channel_table[4] = { 5, 6, 7, 0 };
-
- char name[16];
-
- sprintf(name, "%s%d", driver_name, j);
-
- if (!request_region(port_base, REGION_SIZE, driver_name)) {
+static int port_detect(unsigned long port_base, unsigned int j,
+ struct scsi_host_template *tpnt)
+{
+ unsigned char irq, dma_channel, subversion, i, is_pci = 0;
+ unsigned char protocol_rev;
+ struct eata_info info;
+ char *bus_type, dma_name[16];
+ struct pci_dev *pdev;
+ /* Allowed DMA channels for ISA (0 indicates reserved) */
+ unsigned char dma_channel_table[4] = { 5, 6, 7, 0 };
+ struct Scsi_Host *shost;
+ struct hostdata *ha;
+ char name[16];
+
+ sprintf(name, "%s%d", driver_name, j);
+
+ if (!request_region(port_base, REGION_SIZE, driver_name)) {
#if defined(DEBUG_DETECT)
- printk("%s: address 0x%03lx in use, skipping probe.\n", name, port_base);
+ printk("%s: address 0x%03lx in use, skipping probe.\n", name,
+ port_base);
#endif
- goto fail;
- }
+ goto fail;
+ }
- spin_lock_irq(&driver_lock);
+ spin_lock_irq(&driver_lock);
- if (do_dma(port_base, 0, READ_CONFIG_PIO)) {
+ if (do_dma(port_base, 0, READ_CONFIG_PIO)) {
#if defined(DEBUG_DETECT)
- printk("%s: detect, do_dma failed at 0x%03lx.\n", name, port_base);
+ printk("%s: detect, do_dma failed at 0x%03lx.\n", name,
+ port_base);
#endif
- goto freelock;
- }
+ goto freelock;
+ }
- /* Read the info structure */
- if (read_pio(port_base, (ushort *)&info, (ushort *)&info.ipad[0])) {
+ /* Read the info structure */
+ if (read_pio(port_base, (ushort *) & info, (ushort *) & info.ipad[0])) {
#if defined(DEBUG_DETECT)
- printk("%s: detect, read_pio failed at 0x%03lx.\n", name, port_base);
+ printk("%s: detect, read_pio failed at 0x%03lx.\n", name,
+ port_base);
#endif
- goto freelock;
- }
-
- info.data_len = DEV2H(info.data_len);
- info.sign = DEV2H(info.sign);
- info.cp_pad_len = DEV2H16(info.cp_pad_len);
- info.cp_len = DEV2H(info.cp_len);
- info.sp_len = DEV2H(info.sp_len);
- info.scatt_size = DEV2H16(info.scatt_size);
- info.queue_size = DEV2H16(info.queue_size);
-
- /* Check the controller "EATA" signature */
- if (info.sign != EATA_SIG_BE) {
+ goto freelock;
+ }
+
+ info.data_len = DEV2H(info.data_len);
+ info.sign = DEV2H(info.sign);
+ info.cp_pad_len = DEV2H16(info.cp_pad_len);
+ info.cp_len = DEV2H(info.cp_len);
+ info.sp_len = DEV2H(info.sp_len);
+ info.scatt_size = DEV2H16(info.scatt_size);
+ info.queue_size = DEV2H16(info.queue_size);
+
+ /* Check the controller "EATA" signature */
+ if (info.sign != EATA_SIG_BE) {
#if defined(DEBUG_DETECT)
- printk("%s: signature 0x%04x discarded.\n", name, info.sign);
+ printk("%s: signature 0x%04x discarded.\n", name, info.sign);
#endif
- goto freelock;
- }
-
- if (info.data_len < EATA_2_0A_SIZE) {
- printk("%s: config structure size (%d bytes) too short, detaching.\n",
- name, info.data_len);
- goto freelock;
- }
- else if (info.data_len == EATA_2_0A_SIZE)
- protocol_rev = 'A';
- else if (info.data_len == EATA_2_0B_SIZE)
- protocol_rev = 'B';
- else
- protocol_rev = 'C';
-
- if (protocol_rev != 'A' && info.forcaddr) {
- printk("%s: warning, port address has been forced.\n", name);
- bus_type = "PCI";
- is_pci = TRUE;
- subversion = ESA;
- }
- else if (port_base > MAX_EISA_ADDR || (protocol_rev == 'C' && info.pci)) {
- bus_type = "PCI";
- is_pci = TRUE;
- subversion = ESA;
- }
- else if (port_base >= MIN_EISA_ADDR || (protocol_rev == 'C' && info.eisa)) {
- bus_type = "EISA";
- subversion = ESA;
- }
- else if (protocol_rev == 'C' && !info.eisa && !info.pci) {
- bus_type = "ISA";
- subversion = ISA;
- }
- else if (port_base > MAX_ISA_ADDR) {
- bus_type = "PCI";
- is_pci = TRUE;
- subversion = ESA;
- }
- else {
- bus_type = "ISA";
- subversion = ISA;
- }
-
- if (!info.haaval || info.ata) {
- printk("%s: address 0x%03lx, unusable %s board (%d%d), detaching.\n",
- name, port_base, bus_type, info.haaval, info.ata);
- goto freelock;
- }
-
- if (info.drqvld) {
-
- if (subversion == ESA)
- printk("%s: warning, weird %s board using DMA.\n", name, bus_type);
-
- subversion = ISA;
- dma_channel = dma_channel_table[3 - info.drqx];
- }
- else {
-
- if (subversion == ISA)
- printk("%s: warning, weird %s board not using DMA.\n", name, bus_type);
-
- subversion = ESA;
- dma_channel = NO_DMA;
- }
-
- if (!info.dmasup)
- printk("%s: warning, DMA protocol support not asserted.\n", name);
-
- irq = info.irq;
-
- if (subversion == ESA && !info.irq_tr)
- printk("%s: warning, LEVEL triggering is suggested for IRQ %u.\n",
- name, irq);
-
- if (is_pci) {
- pdev = get_pci_dev(port_base);
- if (!pdev)
- printk("%s: warning, failed to get pci_dev structure.\n", name);
- }
- else
- pdev = NULL;
-
- if (pdev && (irq != pdev->irq)) {
- printk("%s: IRQ %u mapped to IO-APIC IRQ %u.\n", name, irq, pdev->irq);
- irq = pdev->irq;
- }
-
- /* Board detected, allocate its IRQ */
- if (request_irq(irq, do_interrupt_handler,
- SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0),
- driver_name, (void *) &sha[j])) {
- printk("%s: unable to allocate IRQ %u, detaching.\n", name, irq);
- goto freelock;
- }
-
- if (subversion == ISA && request_dma(dma_channel, driver_name)) {
- printk("%s: unable to allocate DMA channel %u, detaching.\n",
- name, dma_channel);
- goto freeirq;
- }
-
+ goto freelock;
+ }
+
+ if (info.data_len < EATA_2_0A_SIZE) {
+ printk
+ ("%s: config structure size (%d bytes) too short, detaching.\n",
+ name, info.data_len);
+ goto freelock;
+ } else if (info.data_len == EATA_2_0A_SIZE)
+ protocol_rev = 'A';
+ else if (info.data_len == EATA_2_0B_SIZE)
+ protocol_rev = 'B';
+ else
+ protocol_rev = 'C';
+
+ if (protocol_rev != 'A' && info.forcaddr) {
+ printk("%s: warning, port address has been forced.\n", name);
+ bus_type = "PCI";
+ is_pci = 1;
+ subversion = ESA;
+ } else if (port_base > MAX_EISA_ADDR
+ || (protocol_rev == 'C' && info.pci)) {
+ bus_type = "PCI";
+ is_pci = 1;
+ subversion = ESA;
+ } else if (port_base >= MIN_EISA_ADDR
+ || (protocol_rev == 'C' && info.eisa)) {
+ bus_type = "EISA";
+ subversion = ESA;
+ } else if (protocol_rev == 'C' && !info.eisa && !info.pci) {
+ bus_type = "ISA";
+ subversion = ISA;
+ } else if (port_base > MAX_ISA_ADDR) {
+ bus_type = "PCI";
+ is_pci = 1;
+ subversion = ESA;
+ } else {
+ bus_type = "ISA";
+ subversion = ISA;
+ }
+
+ if (!info.haaval || info.ata) {
+ printk
+ ("%s: address 0x%03lx, unusable %s board (%d%d), detaching.\n",
+ name, port_base, bus_type, info.haaval, info.ata);
+ goto freelock;
+ }
+
+ if (info.drqvld) {
+ if (subversion == ESA)
+ printk("%s: warning, weird %s board using DMA.\n", name,
+ bus_type);
+
+ subversion = ISA;
+ dma_channel = dma_channel_table[3 - info.drqx];
+ } else {
+ if (subversion == ISA)
+ printk("%s: warning, weird %s board not using DMA.\n",
+ name, bus_type);
+
+ subversion = ESA;
+ dma_channel = NO_DMA;
+ }
+
+ if (!info.dmasup)
+ printk("%s: warning, DMA protocol support not asserted.\n",
+ name);
+
+ irq = info.irq;
+
+ if (subversion == ESA && !info.irq_tr)
+ printk
+ ("%s: warning, LEVEL triggering is suggested for IRQ %u.\n",
+ name, irq);
+
+ if (is_pci) {
+ pdev = get_pci_dev(port_base);
+ if (!pdev)
+ printk
+ ("%s: warning, failed to get pci_dev structure.\n",
+ name);
+ } else
+ pdev = NULL;
+
+ if (pdev && (irq != pdev->irq)) {
+ printk("%s: IRQ %u mapped to IO-APIC IRQ %u.\n", name, irq,
+ pdev->irq);
+ irq = pdev->irq;
+ }
+
+ /* Board detected, allocate its IRQ */
+ if (request_irq(irq, do_interrupt_handler,
+ SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0),
+ driver_name, (void *)&sha[j])) {
+ printk("%s: unable to allocate IRQ %u, detaching.\n", name,
+ irq);
+ goto freelock;
+ }
+
+ if (subversion == ISA && request_dma(dma_channel, driver_name)) {
+ printk("%s: unable to allocate DMA channel %u, detaching.\n",
+ name, dma_channel);
+ goto freeirq;
+ }
#if defined(FORCE_CONFIG)
- {
- struct eata_config *cf;
- dma_addr_t cf_dma_addr;
-
- cf = pci_alloc_consistent(pdev, sizeof(struct eata_config), &cf_dma_addr);
-
- if (!cf) {
- printk("%s: config, pci_alloc_consistent failed, detaching.\n", name);
- goto freedma;
- }
-
- /* Set board configuration */
- memset((char *)cf, 0, sizeof(struct eata_config));
- cf->len = (ushort) H2DEV16((ushort)510);
- cf->ocena = TRUE;
-
- if (do_dma(port_base, cf_dma_addr, SET_CONFIG_DMA)) {
- printk("%s: busy timeout sending configuration, detaching.\n", name);
- pci_free_consistent(pdev, sizeof(struct eata_config), cf, cf_dma_addr);
- goto freedma;
- }
-
- }
+ {
+ struct eata_config *cf;
+ dma_addr_t cf_dma_addr;
+
+ cf = pci_alloc_consistent(pdev, sizeof(struct eata_config),
+ &cf_dma_addr);
+
+ if (!cf) {
+ printk
+ ("%s: config, pci_alloc_consistent failed, detaching.\n",
+ name);
+ goto freedma;
+ }
+
+ /* Set board configuration */
+ memset((char *)cf, 0, sizeof(struct eata_config));
+ cf->len = (ushort) H2DEV16((ushort) 510);
+ cf->ocena = 1;
+
+ if (do_dma(port_base, cf_dma_addr, SET_CONFIG_DMA)) {
+ printk
+ ("%s: busy timeout sending configuration, detaching.\n",
+ name);
+ pci_free_consistent(pdev, sizeof(struct eata_config),
+ cf, cf_dma_addr);
+ goto freedma;
+ }
+
+ }
#endif
- spin_unlock_irq(&driver_lock);
- sh[j] = scsi_register(tpnt, sizeof(struct hostdata));
- spin_lock_irq(&driver_lock);
-
- if (sh[j] == NULL) {
- printk("%s: unable to register host, detaching.\n", name);
- goto freedma;
- }
-
- sh[j]->io_port = port_base;
- sh[j]->unique_id = port_base;
- sh[j]->n_io_port = REGION_SIZE;
- sh[j]->dma_channel = dma_channel;
- sh[j]->irq = irq;
- sh[j]->sg_tablesize = (ushort) info.scatt_size;
- sh[j]->this_id = (ushort) info.host_addr[3];
- sh[j]->can_queue = (ushort) info.queue_size;
- sh[j]->cmd_per_lun = MAX_CMD_PER_LUN;
- memset(HD(j), 0, sizeof(struct hostdata));
- HD(j)->subversion = subversion;
- HD(j)->protocol_rev = protocol_rev;
- HD(j)->is_pci = is_pci;
- HD(j)->pdev = pdev;
- HD(j)->board_number = j;
-
- if (HD(j)->subversion == ESA)
- sh[j]->unchecked_isa_dma = FALSE;
- else {
- unsigned long flags;
- sh[j]->unchecked_isa_dma = TRUE;
-
- flags=claim_dma_lock();
- disable_dma(dma_channel);
- clear_dma_ff(dma_channel);
- set_dma_mode(dma_channel, DMA_MODE_CASCADE);
- enable_dma(dma_channel);
- release_dma_lock(flags);
-
- }
-
- strcpy(BN(j), name);
-
- /* DPT PM2012 does not allow to detect sg_tablesize correctly */
- if (sh[j]->sg_tablesize > MAX_SGLIST || sh[j]->sg_tablesize < 2) {
- printk("%s: detect, wrong n. of SG lists %d, fixed.\n",
- BN(j), sh[j]->sg_tablesize);
- sh[j]->sg_tablesize = MAX_SGLIST;
- }
-
- /* DPT PM2012 does not allow to detect can_queue correctly */
- if (sh[j]->can_queue > MAX_MAILBOXES || sh[j]->can_queue < 2) {
- printk("%s: detect, wrong n. of mbox %d, fixed.\n",
- BN(j), sh[j]->can_queue);
- sh[j]->can_queue = MAX_MAILBOXES;
- }
-
- if (protocol_rev != 'A') {
-
- if (info.max_chan > 0 && info.max_chan < MAX_CHANNEL)
- sh[j]->max_channel = info.max_chan;
-
- if (info.max_id > 7 && info.max_id < MAX_TARGET)
- sh[j]->max_id = info.max_id + 1;
-
- if (info.large_sg && sh[j]->sg_tablesize == MAX_SGLIST)
- sh[j]->sg_tablesize = MAX_LARGE_SGLIST;
- }
-
- if (protocol_rev == 'C') {
-
- if (info.max_lun > 7 && info.max_lun < MAX_LUN)
- sh[j]->max_lun = info.max_lun + 1;
- }
-
- if (dma_channel == NO_DMA) sprintf(dma_name, "%s", "BMST");
- else sprintf(dma_name, "DMA %u", dma_channel);
-
- spin_unlock_irq(&driver_lock);
-
- for (i = 0; i < sh[j]->can_queue; i++)
- HD(j)->cp[i].cp_dma_addr = pci_map_single(HD(j)->pdev,
- &HD(j)->cp[i], sizeof(struct mscp), PCI_DMA_BIDIRECTIONAL);
-
- for (i = 0; i < sh[j]->can_queue; i++)
- if (! ((&HD(j)->cp[i])->sglist = kmalloc(
- sh[j]->sg_tablesize * sizeof(struct sg_list),
- (sh[j]->unchecked_isa_dma ? GFP_DMA : 0) | GFP_ATOMIC))) {
- printk("%s: kmalloc SGlist failed, mbox %d, detaching.\n", BN(j), i);
- goto release;
- }
-
- if (! (HD(j)->sp_cpu_addr = pci_alloc_consistent(HD(j)->pdev,
- sizeof(struct mssp), &HD(j)->sp_dma_addr))) {
- printk("%s: pci_alloc_consistent failed, detaching.\n", BN(j));
- goto release;
- }
-
- if (max_queue_depth > MAX_TAGGED_CMD_PER_LUN)
- max_queue_depth = MAX_TAGGED_CMD_PER_LUN;
-
- if (max_queue_depth < MAX_CMD_PER_LUN) max_queue_depth = MAX_CMD_PER_LUN;
-
- if (tag_mode != TAG_DISABLED && tag_mode != TAG_SIMPLE)
- tag_mode = TAG_ORDERED;
-
- if (j == 0) {
- printk("EATA/DMA 2.0x: Copyright (C) 1994-2003 Dario Ballabio.\n");
- printk("%s config options -> tm:%d, lc:%c, mq:%d, rs:%c, et:%c, "\
- "ip:%c, ep:%c, pp:%c.\n", driver_name, tag_mode,
- YESNO(linked_comm), max_queue_depth, YESNO(rev_scan),
- YESNO(ext_tran), YESNO(isa_probe), YESNO(eisa_probe),
- YESNO(pci_probe));
- }
-
- printk("%s: 2.0%c, %s 0x%03lx, IRQ %u, %s, SG %d, MB %d.\n",
- BN(j), HD(j)->protocol_rev, bus_type, (unsigned long)sh[j]->io_port,
- sh[j]->irq, dma_name, sh[j]->sg_tablesize, sh[j]->can_queue);
-
- if (sh[j]->max_id > 8 || sh[j]->max_lun > 8)
- printk("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n",
- BN(j), sh[j]->max_id, sh[j]->max_lun);
-
- for (i = 0; i <= sh[j]->max_channel; i++)
- printk("%s: SCSI channel %u enabled, host target ID %d.\n",
- BN(j), i, info.host_addr[3 - i]);
+ spin_unlock_irq(&driver_lock);
+ sh[j] = shost = scsi_register(tpnt, sizeof(struct hostdata));
+ spin_lock_irq(&driver_lock);
+
+ if (shost == NULL) {
+ printk("%s: unable to register host, detaching.\n", name);
+ goto freedma;
+ }
+
+ shost->io_port = port_base;
+ shost->unique_id = port_base;
+ shost->n_io_port = REGION_SIZE;
+ shost->dma_channel = dma_channel;
+ shost->irq = irq;
+ shost->sg_tablesize = (ushort) info.scatt_size;
+ shost->this_id = (ushort) info.host_addr[3];
+ shost->can_queue = (ushort) info.queue_size;
+ shost->cmd_per_lun = MAX_CMD_PER_LUN;
+
+ ha = (struct hostdata *)shost->hostdata;
+
+ memset(ha, 0, sizeof(struct hostdata));
+ ha->subversion = subversion;
+ ha->protocol_rev = protocol_rev;
+ ha->is_pci = is_pci;
+ ha->pdev = pdev;
+ ha->board_number = j;
+
+ if (ha->subversion == ESA)
+ shost->unchecked_isa_dma = 0;
+ else {
+ unsigned long flags;
+ shost->unchecked_isa_dma = 1;
+
+ flags = claim_dma_lock();
+ disable_dma(dma_channel);
+ clear_dma_ff(dma_channel);
+ set_dma_mode(dma_channel, DMA_MODE_CASCADE);
+ enable_dma(dma_channel);
+ release_dma_lock(flags);
+
+ }
+
+ strcpy(ha->board_name, name);
+
+ /* DPT PM2012 does not allow to detect sg_tablesize correctly */
+ if (shost->sg_tablesize > MAX_SGLIST || shost->sg_tablesize < 2) {
+ printk("%s: detect, wrong n. of SG lists %d, fixed.\n",
+ ha->board_name, shost->sg_tablesize);
+ shost->sg_tablesize = MAX_SGLIST;
+ }
+
+ /* DPT PM2012 does not allow to detect can_queue correctly */
+ if (shost->can_queue > MAX_MAILBOXES || shost->can_queue < 2) {
+ printk("%s: detect, wrong n. of mbox %d, fixed.\n",
+ ha->board_name, shost->can_queue);
+ shost->can_queue = MAX_MAILBOXES;
+ }
+
+ if (protocol_rev != 'A') {
+ if (info.max_chan > 0 && info.max_chan < MAX_CHANNEL)
+ shost->max_channel = info.max_chan;
+
+ if (info.max_id > 7 && info.max_id < MAX_TARGET)
+ shost->max_id = info.max_id + 1;
+
+ if (info.large_sg && shost->sg_tablesize == MAX_SGLIST)
+ shost->sg_tablesize = MAX_LARGE_SGLIST;
+ }
+
+ if (protocol_rev == 'C') {
+ if (info.max_lun > 7 && info.max_lun < MAX_LUN)
+ shost->max_lun = info.max_lun + 1;
+ }
+
+ if (dma_channel == NO_DMA)
+ sprintf(dma_name, "%s", "BMST");
+ else
+ sprintf(dma_name, "DMA %u", dma_channel);
+
+ spin_unlock_irq(&driver_lock);
+
+ for (i = 0; i < shost->can_queue; i++)
+ ha->cp[i].cp_dma_addr = pci_map_single(ha->pdev,
+ &ha->cp[i],
+ sizeof(struct mscp),
+ PCI_DMA_BIDIRECTIONAL);
+
+ for (i = 0; i < shost->can_queue; i++) {
+ size_t sz = shost->sg_tablesize *sizeof(struct sg_list);
+ unsigned int gfp_mask = (shost->unchecked_isa_dma ? GFP_DMA : 0) | GFP_ATOMIC;
+ ha->cp[i].sglist = kmalloc(sz, gfp_mask);
+ if (!ha->cp[i].sglist) {
+ printk
+ ("%s: kmalloc SGlist failed, mbox %d, detaching.\n",
+ ha->board_name, i);
+ goto release;
+ }
+ }
+
+ if (!(ha->sp_cpu_addr = pci_alloc_consistent(ha->pdev,
+ sizeof(struct mssp),
+ &ha->sp_dma_addr))) {
+ printk("%s: pci_alloc_consistent failed, detaching.\n", ha->board_name);
+ goto release;
+ }
+
+ if (max_queue_depth > MAX_TAGGED_CMD_PER_LUN)
+ max_queue_depth = MAX_TAGGED_CMD_PER_LUN;
+
+ if (max_queue_depth < MAX_CMD_PER_LUN)
+ max_queue_depth = MAX_CMD_PER_LUN;
+
+ if (tag_mode != TAG_DISABLED && tag_mode != TAG_SIMPLE)
+ tag_mode = TAG_ORDERED;
+
+ if (j == 0) {
+ printk
+ ("EATA/DMA 2.0x: Copyright (C) 1994-2003 Dario Ballabio.\n");
+ printk
+ ("%s config options -> tm:%d, lc:%c, mq:%d, rs:%c, et:%c, "
+ "ip:%c, ep:%c, pp:%c.\n", driver_name, tag_mode,
+ YESNO(linked_comm), max_queue_depth, YESNO(rev_scan),
+ YESNO(ext_tran), YESNO(isa_probe), YESNO(eisa_probe),
+ YESNO(pci_probe));
+ }
+
+ printk("%s: 2.0%c, %s 0x%03lx, IRQ %u, %s, SG %d, MB %d.\n",
+ ha->board_name, ha->protocol_rev, bus_type,
+ (unsigned long)shost->io_port, shost->irq, dma_name,
+ shost->sg_tablesize, shost->can_queue);
+
+ if (shost->max_id > 8 || shost->max_lun > 8)
+ printk
+ ("%s: wide SCSI support enabled, max_id %u, max_lun %u.\n",
+ ha->board_name, shost->max_id, shost->max_lun);
+
+ for (i = 0; i <= shost->max_channel; i++)
+ printk("%s: SCSI channel %u enabled, host target ID %d.\n",
+ ha->board_name, i, info.host_addr[3 - i]);
#if defined(DEBUG_DETECT)
- printk("%s: Vers. 0x%x, ocs %u, tar %u, trnxfr %u, more %u, SYNC 0x%x, "\
- "sec. %u, infol %d, cpl %d spl %d.\n", name, info.version,
- info.ocsena, info.tarsup, info.trnxfr, info.morsup, info.sync,
- info.second, info.data_len, info.cp_len,
- info.sp_len);
-
- if (protocol_rev == 'B' || protocol_rev == 'C')
- printk("%s: isaena %u, forcaddr %u, max_id %u, max_chan %u, "\
- "large_sg %u, res1 %u.\n", name, info.isaena, info.forcaddr,
- info.max_id, info.max_chan, info.large_sg, info.res1);
-
- if (protocol_rev == 'C')
- printk("%s: max_lun %u, m1 %u, idquest %u, pci %u, eisa %u, "\
- "raidnum %u.\n", name, info.max_lun, info.m1, info.idquest,
- info.pci, info.eisa, info.raidnum);
+ printk("%s: Vers. 0x%x, ocs %u, tar %u, trnxfr %u, more %u, SYNC 0x%x, "
+ "sec. %u, infol %d, cpl %d spl %d.\n", name, info.version,
+ info.ocsena, info.tarsup, info.trnxfr, info.morsup, info.sync,
+ info.second, info.data_len, info.cp_len, info.sp_len);
+
+ if (protocol_rev == 'B' || protocol_rev == 'C')
+ printk("%s: isaena %u, forcaddr %u, max_id %u, max_chan %u, "
+ "large_sg %u, res1 %u.\n", name, info.isaena,
+ info.forcaddr, info.max_id, info.max_chan, info.large_sg,
+ info.res1);
+
+ if (protocol_rev == 'C')
+ printk("%s: max_lun %u, m1 %u, idquest %u, pci %u, eisa %u, "
+ "raidnum %u.\n", name, info.max_lun, info.m1,
+ info.idquest, info.pci, info.eisa, info.raidnum);
#endif
- if (HD(j)->pdev) {
- pci_set_master(HD(j)->pdev);
- if (pci_set_dma_mask(HD(j)->pdev, 0xffffffff))
- printk("%s: warning, pci_set_dma_mask failed.\n", BN(j));
- }
-
- return TRUE;
-
-freedma:
- if (subversion == ISA) free_dma(dma_channel);
-freeirq:
- free_irq(irq, &sha[j]);
-freelock:
- spin_unlock_irq(&driver_lock);
- release_region(port_base, REGION_SIZE);
-fail:
- return FALSE;
-
-release:
- eata2x_release(sh[j]);
- return FALSE;
+ if (ha->pdev) {
+ pci_set_master(ha->pdev);
+ if (pci_set_dma_mask(ha->pdev, 0xffffffff))
+ printk("%s: warning, pci_set_dma_mask failed.\n",
+ ha->board_name);
+ }
+
+ return 1;
+
+ freedma:
+ if (subversion == ISA)
+ free_dma(dma_channel);
+ freeirq:
+ free_irq(irq, &sha[j]);
+ freelock:
+ spin_unlock_irq(&driver_lock);
+ release_region(port_base, REGION_SIZE);
+ fail:
+ return 0;
+
+ release:
+ eata2x_release(shost);
+ return 0;
}
-static void internal_setup(char *str, int *ints) {
- int i, argc = ints[0];
- char *cur = str, *pc;
-
- if (argc > 0) {
-
- if (argc > MAX_INT_PARAM) argc = MAX_INT_PARAM;
-
- for (i = 0; i < argc; i++) io_port[i] = ints[i + 1];
-
- io_port[i] = 0;
- setup_done = TRUE;
- }
-
- while (cur && (pc = strchr(cur, ':'))) {
- int val = 0, c = *++pc;
-
- if (c == 'n' || c == 'N') val = FALSE;
- else if (c == 'y' || c == 'Y') val = TRUE;
- else val = (int) simple_strtoul(pc, NULL, 0);
-
- if (!strncmp(cur, "lc:", 3)) linked_comm = val;
- else if (!strncmp(cur, "tm:", 3)) tag_mode = val;
- else if (!strncmp(cur, "tc:", 3)) tag_mode = val;
- else if (!strncmp(cur, "mq:", 3)) max_queue_depth = val;
- else if (!strncmp(cur, "ls:", 3)) link_statistics = val;
- else if (!strncmp(cur, "et:", 3)) ext_tran = val;
- else if (!strncmp(cur, "rs:", 3)) rev_scan = val;
- else if (!strncmp(cur, "ip:", 3)) isa_probe = val;
- else if (!strncmp(cur, "ep:", 3)) eisa_probe = val;
- else if (!strncmp(cur, "pp:", 3)) pci_probe = val;
-
- if ((cur = strchr(cur, ','))) ++cur;
- }
-
- return;
+static void internal_setup(char *str, int *ints)
+{
+ int i, argc = ints[0];
+ char *cur = str, *pc;
+
+ if (argc > 0) {
+ if (argc > MAX_INT_PARAM)
+ argc = MAX_INT_PARAM;
+
+ for (i = 0; i < argc; i++)
+ io_port[i] = ints[i + 1];
+
+ io_port[i] = 0;
+ setup_done = 1;
+ }
+
+ while (cur && (pc = strchr(cur, ':'))) {
+ int val = 0, c = *++pc;
+
+ if (c == 'n' || c == 'N')
+ val = 0;
+ else if (c == 'y' || c == 'Y')
+ val = 1;
+ else
+ val = (int)simple_strtoul(pc, NULL, 0);
+
+ if (!strncmp(cur, "lc:", 3))
+ linked_comm = val;
+ else if (!strncmp(cur, "tm:", 3))
+ tag_mode = val;
+ else if (!strncmp(cur, "tc:", 3))
+ tag_mode = val;
+ else if (!strncmp(cur, "mq:", 3))
+ max_queue_depth = val;
+ else if (!strncmp(cur, "ls:", 3))
+ link_statistics = val;
+ else if (!strncmp(cur, "et:", 3))
+ ext_tran = val;
+ else if (!strncmp(cur, "rs:", 3))
+ rev_scan = val;
+ else if (!strncmp(cur, "ip:", 3))
+ isa_probe = val;
+ else if (!strncmp(cur, "ep:", 3))
+ eisa_probe = val;
+ else if (!strncmp(cur, "pp:", 3))
+ pci_probe = val;
+
+ if ((cur = strchr(cur, ',')))
+ ++cur;
+ }
+
+ return;
}
-static int option_setup(char *str) {
- int ints[MAX_INT_PARAM];
- char *cur = str;
- int i = 1;
+static int option_setup(char *str)
+{
+ int ints[MAX_INT_PARAM];
+ char *cur = str;
+ int i = 1;
- while (cur && isdigit(*cur) && i <= MAX_INT_PARAM) {
- ints[i++] = simple_strtoul(cur, NULL, 0);
+ while (cur && isdigit(*cur) && i <= MAX_INT_PARAM) {
+ ints[i++] = simple_strtoul(cur, NULL, 0);
- if ((cur = strchr(cur, ',')) != NULL) cur++;
- }
+ if ((cur = strchr(cur, ',')) != NULL)
+ cur++;
+ }
- ints[0] = i - 1;
- internal_setup(cur, ints);
- return 1;
+ ints[0] = i - 1;
+ internal_setup(cur, ints);
+ return 1;
}
-static void add_pci_ports(void) {
-
+static void add_pci_ports(void)
+{
#if defined(CONFIG_PCI)
+ unsigned int addr, k;
+ struct pci_dev *dev = NULL;
- unsigned int addr, k;
-
- struct pci_dev *dev = NULL;
-
- for (k = 0; k < MAX_PCI; k++) {
+ for (k = 0; k < MAX_PCI; k++) {
- if (!(dev = pci_find_class(PCI_CLASS_STORAGE_SCSI << 8, dev))) break;
-
- if (pci_enable_device (dev)) {
+ if (!(dev = pci_get_class(PCI_CLASS_STORAGE_SCSI << 8, dev)))
+ break;
+ if (pci_enable_device(dev)) {
#if defined(DEBUG_PCI_DETECT)
- printk("%s: detect, bus %d, devfn 0x%x, pci_enable_device failed.\n",
- driver_name, dev->bus->number, dev->devfn);
+ printk
+ ("%s: detect, bus %d, devfn 0x%x, pci_enable_device failed.\n",
+ driver_name, dev->bus->number, dev->devfn);
#endif
- continue;
- }
+ continue;
+ }
- addr = pci_resource_start (dev, 0);
+ addr = pci_resource_start(dev, 0);
#if defined(DEBUG_PCI_DETECT)
- printk("%s: detect, seq. %d, bus %d, devfn 0x%x, addr 0x%x.\n",
- driver_name, k, dev->bus->number, dev->devfn, addr);
+ printk("%s: detect, seq. %d, bus %d, devfn 0x%x, addr 0x%x.\n",
+ driver_name, k, dev->bus->number, dev->devfn, addr);
#endif
- /* Order addresses according to rev_scan value */
- io_port[MAX_INT_PARAM + (rev_scan ? (MAX_PCI - k) : (1 + k))] =
- addr + PCI_BASE_ADDRESS_0;
- }
-
-#endif /* end CONFIG_PCI */
+ /* Order addresses according to rev_scan value */
+ io_port[MAX_INT_PARAM + (rev_scan ? (MAX_PCI - k) : (1 + k))] =
+ addr + PCI_BASE_ADDRESS_0;
+ }
- return;
+ pci_dev_put(dev);
+#endif /* end CONFIG_PCI */
}
-static int eata2x_detect(Scsi_Host_Template *tpnt) {
- unsigned int j = 0, k;
+static int eata2x_detect(struct scsi_host_template *tpnt)
+{
+ unsigned int j = 0, k;
- tpnt->proc_name = "eata2x";
+ tpnt->proc_name = "eata2x";
- if(strlen(boot_options)) option_setup(boot_options);
+ if (strlen(boot_options))
+ option_setup(boot_options);
#if defined(MODULE)
- /* io_port could have been modified when loading as a module */
- if(io_port[0] != SKIP) {
- setup_done = TRUE;
- io_port[MAX_INT_PARAM] = 0;
- }
+ /* io_port could have been modified when loading as a module */
+ if (io_port[0] != SKIP) {
+ setup_done = 1;
+ io_port[MAX_INT_PARAM] = 0;
+ }
#endif
- for (k = 0; k < MAX_BOARDS + 1; k++) sh[k] = NULL;
-
- for (k = MAX_INT_PARAM; io_port[k]; k++)
- if (io_port[k] == SKIP) continue;
- else if (io_port[k] <= MAX_ISA_ADDR) {
- if (!isa_probe) io_port[k] = SKIP;
- }
- else if (io_port[k] >= MIN_EISA_ADDR && io_port[k] <= MAX_EISA_ADDR) {
- if (!eisa_probe) io_port[k] = SKIP;
- }
-
- if (pci_probe) {
- if (!setup_done) add_pci_ports();
- else enable_pci_ports();
- }
-
- for (k = 0; io_port[k]; k++) {
-
- if (io_port[k] == SKIP) continue;
-
- if (j < MAX_BOARDS && port_detect(io_port[k], j, tpnt)) j++;
- }
-
- num_boards = j;
- return j;
+ for (k = MAX_INT_PARAM; io_port[k]; k++)
+ if (io_port[k] == SKIP)
+ continue;
+ else if (io_port[k] <= MAX_ISA_ADDR) {
+ if (!isa_probe)
+ io_port[k] = SKIP;
+ } else if (io_port[k] >= MIN_EISA_ADDR
+ && io_port[k] <= MAX_EISA_ADDR) {
+ if (!eisa_probe)
+ io_port[k] = SKIP;
+ }
+
+ if (pci_probe) {
+ if (!setup_done)
+ add_pci_ports();
+ else
+ enable_pci_ports();
+ }
+
+ for (k = 0; io_port[k]; k++) {
+
+ if (io_port[k] == SKIP)
+ continue;
+
+ if (j < MAX_BOARDS && port_detect(io_port[k], j, tpnt))
+ j++;
+ }
+
+ num_boards = j;
+ return j;
}
-static void map_dma(unsigned int i, unsigned int j) {
- unsigned int k, count, pci_dir;
- struct scatterlist *sgpnt;
- struct mscp *cpp;
- Scsi_Cmnd *SCpnt;
-
- cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
- pci_dir = scsi_to_pci_dma_dir(SCpnt->sc_data_direction);
-
- if (SCpnt->sense_buffer)
- cpp->sense_addr = H2DEV(pci_map_single(HD(j)->pdev, SCpnt->sense_buffer,
- sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE));
-
- cpp->sense_len = sizeof SCpnt->sense_buffer;
-
- if (!SCpnt->use_sg) {
-
- /* If we get here with PCI_DMA_NONE, pci_map_single triggers a BUG() */
- if (!SCpnt->request_bufflen) pci_dir = PCI_DMA_BIDIRECTIONAL;
-
- if (SCpnt->request_buffer)
- cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev,
- SCpnt->request_buffer, SCpnt->request_bufflen, pci_dir));
-
- cpp->data_len = H2DEV(SCpnt->request_bufflen);
- return;
- }
-
- sgpnt = (struct scatterlist *) SCpnt->request_buffer;
- count = pci_map_sg(HD(j)->pdev, sgpnt, SCpnt->use_sg, pci_dir);
-
- for (k = 0; k < count; k++) {
- cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k]));
- cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(&sgpnt[k]));
- }
-
- cpp->sg = TRUE;
- cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist,
- SCpnt->use_sg * sizeof(struct sg_list), pci_dir));
- cpp->data_len = H2DEV((SCpnt->use_sg * sizeof(struct sg_list)));
+static void map_dma(unsigned int i, struct hostdata *ha)
+{
+ unsigned int k, count, pci_dir;
+ struct scatterlist *sgpnt;
+ struct mscp *cpp;
+ struct scsi_cmnd *SCpnt;
+
+ cpp = &ha->cp[i];
+ SCpnt = cpp->SCpnt;
+ pci_dir = SCpnt->sc_data_direction;
+
+ if (SCpnt->sense_buffer)
+ cpp->sense_addr =
+ H2DEV(pci_map_single(ha->pdev, SCpnt->sense_buffer,
+ sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE));
+
+ cpp->sense_len = sizeof SCpnt->sense_buffer;
+
+ if (!SCpnt->use_sg) {
+
+ /* If we get here with PCI_DMA_NONE, pci_map_single triggers a BUG() */
+ if (!SCpnt->request_bufflen)
+ pci_dir = PCI_DMA_BIDIRECTIONAL;
+
+ if (SCpnt->request_buffer)
+ cpp->data_address = H2DEV(pci_map_single(ha->pdev,
+ SCpnt->
+ request_buffer,
+ SCpnt->
+ request_bufflen,
+ pci_dir));
+
+ cpp->data_len = H2DEV(SCpnt->request_bufflen);
+ return;
+ }
+
+ sgpnt = (struct scatterlist *)SCpnt->request_buffer;
+ count = pci_map_sg(ha->pdev, sgpnt, SCpnt->use_sg, pci_dir);
+
+ for (k = 0; k < count; k++) {
+ cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k]));
+ cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(&sgpnt[k]));
+ }
+
+ cpp->sg = 1;
+ cpp->data_address = H2DEV(pci_map_single(ha->pdev, cpp->sglist,
+ SCpnt->use_sg *
+ sizeof(struct sg_list),
+ pci_dir));
+ cpp->data_len = H2DEV((SCpnt->use_sg * sizeof(struct sg_list)));
}
-static void unmap_dma(unsigned int i, unsigned int j) {
- unsigned int pci_dir;
- struct mscp *cpp;
- Scsi_Cmnd *SCpnt;
+static void unmap_dma(unsigned int i, struct hostdata *ha)
+{
+ unsigned int pci_dir;
+ struct mscp *cpp;
+ struct scsi_cmnd *SCpnt;
- cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
- pci_dir = scsi_to_pci_dma_dir(SCpnt->sc_data_direction);
+ cpp = &ha->cp[i];
+ SCpnt = cpp->SCpnt;
+ pci_dir = SCpnt->sc_data_direction;
- if (DEV2H(cpp->sense_addr))
- pci_unmap_single(HD(j)->pdev, DEV2H(cpp->sense_addr),
- DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
+ if (DEV2H(cpp->sense_addr))
+ pci_unmap_single(ha->pdev, DEV2H(cpp->sense_addr),
+ DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
- if (SCpnt->use_sg)
- pci_unmap_sg(HD(j)->pdev, SCpnt->request_buffer, SCpnt->use_sg, pci_dir);
+ if (SCpnt->use_sg)
+ pci_unmap_sg(ha->pdev, SCpnt->request_buffer, SCpnt->use_sg,
+ pci_dir);
- if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
+ if (!DEV2H(cpp->data_len))
+ pci_dir = PCI_DMA_BIDIRECTIONAL;
- if (DEV2H(cpp->data_address))
- pci_unmap_single(HD(j)->pdev, DEV2H(cpp->data_address),
- DEV2H(cpp->data_len), pci_dir);
+ if (DEV2H(cpp->data_address))
+ pci_unmap_single(ha->pdev, DEV2H(cpp->data_address),
+ DEV2H(cpp->data_len), pci_dir);
}
-static void sync_dma(unsigned int i, unsigned int j) {
- unsigned int pci_dir;
- struct mscp *cpp;
- Scsi_Cmnd *SCpnt;
+static void sync_dma(unsigned int i, struct hostdata *ha)
+{
+ unsigned int pci_dir;
+ struct mscp *cpp;
+ struct scsi_cmnd *SCpnt;
- cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
- pci_dir = scsi_to_pci_dma_dir(SCpnt->sc_data_direction);
+ cpp = &ha->cp[i];
+ SCpnt = cpp->SCpnt;
+ pci_dir = SCpnt->sc_data_direction;
- if (DEV2H(cpp->sense_addr))
- pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->sense_addr),
- DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
+ if (DEV2H(cpp->sense_addr))
+ pci_dma_sync_single_for_cpu(ha->pdev, DEV2H(cpp->sense_addr),
+ DEV2H(cpp->sense_len),
+ PCI_DMA_FROMDEVICE);
- if (SCpnt->use_sg)
- pci_dma_sync_sg_for_cpu(HD(j)->pdev, SCpnt->request_buffer,
- SCpnt->use_sg, pci_dir);
+ if (SCpnt->use_sg)
+ pci_dma_sync_sg_for_cpu(ha->pdev, SCpnt->request_buffer,
+ SCpnt->use_sg, pci_dir);
- if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
+ if (!DEV2H(cpp->data_len))
+ pci_dir = PCI_DMA_BIDIRECTIONAL;
- if (DEV2H(cpp->data_address))
- pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->data_address),
- DEV2H(cpp->data_len), pci_dir);
+ if (DEV2H(cpp->data_address))
+ pci_dma_sync_single_for_cpu(ha->pdev,
+ DEV2H(cpp->data_address),
+ DEV2H(cpp->data_len), pci_dir);
}
-static void scsi_to_dev_dir(unsigned int i, unsigned int j) {
- unsigned int k;
-
- static const unsigned char data_out_cmds[] = {
- 0x0a, 0x2a, 0x15, 0x55, 0x04, 0x07, 0x18, 0x1d, 0x24, 0x2e,
- 0x30, 0x31, 0x32, 0x38, 0x39, 0x3a, 0x3b, 0x3d, 0x3f, 0x40,
- 0x41, 0x4c, 0xaa, 0xae, 0xb0, 0xb1, 0xb2, 0xb6, 0xea, 0x1b, 0x5d
- };
-
- static const unsigned char data_none_cmds[] = {
- 0x01, 0x0b, 0x10, 0x11, 0x13, 0x16, 0x17, 0x19, 0x2b, 0x1e,
- 0x2c, 0xac, 0x2f, 0xaf, 0x33, 0xb3, 0x35, 0x36, 0x45, 0x47,
- 0x48, 0x49, 0xa9, 0x4b, 0xa5, 0xa6, 0xb5, 0x00
- };
-
- struct mscp *cpp;
- Scsi_Cmnd *SCpnt;
-
- cpp = &HD(j)->cp[i]; SCpnt = cpp->SCpnt;
-
- if (SCpnt->sc_data_direction == SCSI_DATA_READ) {
- cpp->din = TRUE;
- cpp->dout = FALSE;
- return;
- }
- else if (SCpnt->sc_data_direction == SCSI_DATA_WRITE) {
- cpp->din = FALSE;
- cpp->dout = TRUE;
- return;
- }
- else if (SCpnt->sc_data_direction == SCSI_DATA_NONE) {
- cpp->din = FALSE;
- cpp->dout = FALSE;
- return;
- }
-
- if (SCpnt->sc_data_direction != SCSI_DATA_UNKNOWN)
- panic("%s: qcomm, invalid SCpnt->sc_data_direction.\n", BN(j));
-
- for (k = 0; k < ARRAY_SIZE(data_out_cmds); k++)
- if (SCpnt->cmnd[0] == data_out_cmds[k]) {
- cpp->dout = TRUE;
- break;
- }
-
- if ((cpp->din = !cpp->dout))
- for (k = 0; k < ARRAY_SIZE(data_none_cmds); k++)
- if (SCpnt->cmnd[0] == data_none_cmds[k]) {
- cpp->din = FALSE;
- break;
- }
+static void scsi_to_dev_dir(unsigned int i, struct hostdata *ha)
+{
+ unsigned int k;
+
+ static const unsigned char data_out_cmds[] = {
+ 0x0a, 0x2a, 0x15, 0x55, 0x04, 0x07, 0x18, 0x1d, 0x24, 0x2e,
+ 0x30, 0x31, 0x32, 0x38, 0x39, 0x3a, 0x3b, 0x3d, 0x3f, 0x40,
+ 0x41, 0x4c, 0xaa, 0xae, 0xb0, 0xb1, 0xb2, 0xb6, 0xea, 0x1b, 0x5d
+ };
+
+ static const unsigned char data_none_cmds[] = {
+ 0x01, 0x0b, 0x10, 0x11, 0x13, 0x16, 0x17, 0x19, 0x2b, 0x1e,
+ 0x2c, 0xac, 0x2f, 0xaf, 0x33, 0xb3, 0x35, 0x36, 0x45, 0x47,
+ 0x48, 0x49, 0xa9, 0x4b, 0xa5, 0xa6, 0xb5, 0x00
+ };
+
+ struct mscp *cpp;
+ struct scsi_cmnd *SCpnt;
+
+ cpp = &ha->cp[i];
+ SCpnt = cpp->SCpnt;
+
+ if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
+ cpp->din = 1;
+ cpp->dout = 0;
+ return;
+ } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
+ cpp->din = 0;
+ cpp->dout = 1;
+ return;
+ } else if (SCpnt->sc_data_direction == DMA_NONE) {
+ cpp->din = 0;
+ cpp->dout = 0;
+ return;
+ }
+
+ if (SCpnt->sc_data_direction != DMA_BIDIRECTIONAL)
+ panic("%s: qcomm, invalid SCpnt->sc_data_direction.\n",
+ ha->board_name);
+
+ for (k = 0; k < ARRAY_SIZE(data_out_cmds); k++)
+ if (SCpnt->cmnd[0] == data_out_cmds[k]) {
+ cpp->dout = 1;
+ break;
+ }
+
+ if ((cpp->din = !cpp->dout))
+ for (k = 0; k < ARRAY_SIZE(data_none_cmds); k++)
+ if (SCpnt->cmnd[0] == data_none_cmds[k]) {
+ cpp->din = 0;
+ break;
+ }
}
-static int eata2x_queuecommand(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) {
- unsigned int i, j, k;
- struct mscp *cpp;
-
- /* j is the board number */
- j = ((struct hostdata *) SCpnt->device->host->hostdata)->board_number;
-
- if (SCpnt->host_scribble)
- panic("%s: qcomm, pid %ld, SCpnt %p already active.\n",
- BN(j), SCpnt->pid, SCpnt);
-
- /* i is the mailbox number, look for the first free mailbox
- starting from last_cp_used */
- i = HD(j)->last_cp_used + 1;
-
- for (k = 0; k < sh[j]->can_queue; k++, i++) {
-
- if (i >= sh[j]->can_queue) i = 0;
-
- if (HD(j)->cp_stat[i] == FREE) {
- HD(j)->last_cp_used = i;
- break;
- }
- }
-
- if (k == sh[j]->can_queue) {
- printk("%s: qcomm, no free mailbox.\n", BN(j));
- return 1;
- }
-
- /* Set pointer to control packet structure */
- cpp = &HD(j)->cp[i];
-
- memset(cpp, 0, sizeof(struct mscp) - CP_TAIL_SIZE);
-
- /* Set pointer to status packet structure, Big Endian format */
- cpp->sp_dma_addr = H2DEV(HD(j)->sp_dma_addr);
-
- SCpnt->scsi_done = done;
- cpp->cpp_index = i;
- SCpnt->host_scribble = (unsigned char *) &cpp->cpp_index;
-
- if (do_trace) printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n",
- BN(j), i, SCpnt->device->channel, SCpnt->device->id,
- SCpnt->device->lun, SCpnt->pid);
-
- cpp->reqsen = TRUE;
- cpp->dispri = TRUE;
+static int eata2x_queuecommand(struct scsi_cmnd *SCpnt,
+ void (*done) (struct scsi_cmnd *))
+{
+ struct Scsi_Host *shost = SCpnt->device->host;
+ struct hostdata *ha = (struct hostdata *)shost->hostdata;
+ unsigned int i, k;
+ struct mscp *cpp;
+
+ if (SCpnt->host_scribble)
+ panic("%s: qcomm, pid %ld, SCpnt %p already active.\n",
+ ha->board_name, SCpnt->pid, SCpnt);
+
+ /* i is the mailbox number, look for the first free mailbox
+ starting from last_cp_used */
+ i = ha->last_cp_used + 1;
+
+ for (k = 0; k < shost->can_queue; k++, i++) {
+ if (i >= shost->can_queue)
+ i = 0;
+ if (ha->cp_stat[i] == FREE) {
+ ha->last_cp_used = i;
+ break;
+ }
+ }
+
+ if (k == shost->can_queue) {
+ printk("%s: qcomm, no free mailbox.\n", ha->board_name);
+ return 1;
+ }
+
+ /* Set pointer to control packet structure */
+ cpp = &ha->cp[i];
+
+ memset(cpp, 0, sizeof(struct mscp) - CP_TAIL_SIZE);
+
+ /* Set pointer to status packet structure, Big Endian format */
+ cpp->sp_dma_addr = H2DEV(ha->sp_dma_addr);
+
+ SCpnt->scsi_done = done;
+ cpp->cpp_index = i;
+ SCpnt->host_scribble = (unsigned char *)&cpp->cpp_index;
+
+ if (do_trace)
+ printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n",
+ ha->board_name, i, SCpnt->device->channel, SCpnt->device->id,
+ SCpnt->device->lun, SCpnt->pid);
+
+ cpp->reqsen = 1;
+ cpp->dispri = 1;
#if 0
- if (SCpnt->device->type == TYPE_TAPE) cpp->hbaci = TRUE;
+ if (SCpnt->device->type == TYPE_TAPE)
+ cpp->hbaci = 1;
#endif
- cpp->one = TRUE;
- cpp->channel = SCpnt->device->channel;
- cpp->target = SCpnt->device->id;
- cpp->lun = SCpnt->device->lun;
- cpp->SCpnt = SCpnt;
- memcpy(cpp->cdb, SCpnt->cmnd, SCpnt->cmd_len);
-
- /* Use data transfer direction SCpnt->sc_data_direction */
- scsi_to_dev_dir(i, j);
-
- /* Map DMA buffers and SG list */
- map_dma(i, j);
-
- if (linked_comm && SCpnt->device->queue_depth > 2
- && TLDEV(SCpnt->device->type)) {
- HD(j)->cp_stat[i] = READY;
- flush_dev(SCpnt->device, SCpnt->request->sector, j, FALSE);
- return 0;
- }
-
- /* Send control packet to the board */
- if (do_dma(sh[j]->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) {
- unmap_dma(i, j);
- SCpnt->host_scribble = NULL;
- printk("%s: qcomm, target %d.%d:%d, pid %ld, adapter busy.\n",
- BN(j), SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid);
- return 1;
- }
-
- HD(j)->cp_stat[i] = IN_USE;
- return 0;
+ cpp->one = 1;
+ cpp->channel = SCpnt->device->channel;
+ cpp->target = SCpnt->device->id;
+ cpp->lun = SCpnt->device->lun;
+ cpp->SCpnt = SCpnt;
+ memcpy(cpp->cdb, SCpnt->cmnd, SCpnt->cmd_len);
+
+ /* Use data transfer direction SCpnt->sc_data_direction */
+ scsi_to_dev_dir(i, ha);
+
+ /* Map DMA buffers and SG list */
+ map_dma(i, ha);
+
+ if (linked_comm && SCpnt->device->queue_depth > 2
+ && TLDEV(SCpnt->device->type)) {
+ ha->cp_stat[i] = READY;
+ flush_dev(SCpnt->device, SCpnt->request->sector, ha, 0);
+ return 0;
+ }
+
+ /* Send control packet to the board */
+ if (do_dma(shost->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) {
+ unmap_dma(i, ha);
+ SCpnt->host_scribble = NULL;
+ printk("%s: qcomm, target %d.%d:%d, pid %ld, adapter busy.\n",
+ ha->board_name, SCpnt->device->channel, SCpnt->device->id,
+ SCpnt->device->lun, SCpnt->pid);
+ return 1;
+ }
+
+ ha->cp_stat[i] = IN_USE;
+ return 0;
}
-static int eata2x_eh_abort(Scsi_Cmnd *SCarg) {
- unsigned int i, j;
-
- j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number;
-
- if (SCarg->host_scribble == NULL) {
- printk("%s: abort, target %d.%d:%d, pid %ld inactive.\n",
- BN(j), SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
- return SUCCESS;
- }
-
- i = *(unsigned int *)SCarg->host_scribble;
- printk("%s: abort, mbox %d, target %d.%d:%d, pid %ld.\n",
- BN(j), i, SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
-
- if (i >= sh[j]->can_queue)
- panic("%s: abort, invalid SCarg->host_scribble.\n", BN(j));
-
- if (wait_on_busy(sh[j]->io_port, MAXLOOP)) {
- printk("%s: abort, timeout error.\n", BN(j));
- return FAILED;
- }
-
- if (HD(j)->cp_stat[i] == FREE) {
- printk("%s: abort, mbox %d is free.\n", BN(j), i);
- return SUCCESS;
- }
-
- if (HD(j)->cp_stat[i] == IN_USE) {
- printk("%s: abort, mbox %d is in use.\n", BN(j), i);
-
- if (SCarg != HD(j)->cp[i].SCpnt)
- panic("%s: abort, mbox %d, SCarg %p, cp SCpnt %p.\n",
- BN(j), i, SCarg, HD(j)->cp[i].SCpnt);
-
- if (inb(sh[j]->io_port + REG_AUX_STATUS) & IRQ_ASSERTED)
- printk("%s: abort, mbox %d, interrupt pending.\n", BN(j), i);
-
- if (SCarg->eh_state == SCSI_STATE_TIMEOUT) {
- unmap_dma(i, j);
- SCarg->host_scribble = NULL;
- HD(j)->cp_stat[i] = FREE;
- printk("%s, abort, mbox %d, eh_state timeout, pid %ld.\n",
- BN(j), i, SCarg->pid);
- return SUCCESS;
- }
-
- return FAILED;
- }
-
- if (HD(j)->cp_stat[i] == IN_RESET) {
- printk("%s: abort, mbox %d is in reset.\n", BN(j), i);
- return FAILED;
- }
-
- if (HD(j)->cp_stat[i] == LOCKED) {
- printk("%s: abort, mbox %d is locked.\n", BN(j), i);
- return SUCCESS;
- }
-
- if (HD(j)->cp_stat[i] == READY || HD(j)->cp_stat[i] == ABORTING) {
- unmap_dma(i, j);
- SCarg->result = DID_ABORT << 16;
- SCarg->host_scribble = NULL;
- HD(j)->cp_stat[i] = FREE;
- printk("%s, abort, mbox %d ready, DID_ABORT, pid %ld done.\n",
- BN(j), i, SCarg->pid);
- SCarg->scsi_done(SCarg);
- return SUCCESS;
- }
-
- panic("%s: abort, mbox %d, invalid cp_stat.\n", BN(j), i);
+static int eata2x_eh_abort(struct scsi_cmnd *SCarg)
+{
+ struct Scsi_Host *shost = SCarg->device->host;
+ struct hostdata *ha = (struct hostdata *)shost->hostdata;
+ unsigned int i;
+
+ if (SCarg->host_scribble == NULL) {
+ printk("%s: abort, target %d.%d:%d, pid %ld inactive.\n",
+ ha->board_name, SCarg->device->channel, SCarg->device->id,
+ SCarg->device->lun, SCarg->pid);
+ return SUCCESS;
+ }
+
+ i = *(unsigned int *)SCarg->host_scribble;
+ printk("%s: abort, mbox %d, target %d.%d:%d, pid %ld.\n",
+ ha->board_name, i, SCarg->device->channel, SCarg->device->id,
+ SCarg->device->lun, SCarg->pid);
+
+ if (i >= shost->can_queue)
+ panic("%s: abort, invalid SCarg->host_scribble.\n", ha->board_name);
+
+ if (wait_on_busy(shost->io_port, MAXLOOP)) {
+ printk("%s: abort, timeout error.\n", ha->board_name);
+ return FAILED;
+ }
+
+ if (ha->cp_stat[i] == FREE) {
+ printk("%s: abort, mbox %d is free.\n", ha->board_name, i);
+ return SUCCESS;
+ }
+
+ if (ha->cp_stat[i] == IN_USE) {
+ printk("%s: abort, mbox %d is in use.\n", ha->board_name, i);
+
+ if (SCarg != ha->cp[i].SCpnt)
+ panic("%s: abort, mbox %d, SCarg %p, cp SCpnt %p.\n",
+ ha->board_name, i, SCarg, ha->cp[i].SCpnt);
+
+ if (inb(shost->io_port + REG_AUX_STATUS) & IRQ_ASSERTED)
+ printk("%s: abort, mbox %d, interrupt pending.\n",
+ ha->board_name, i);
+
+ if (SCarg->eh_state == SCSI_STATE_TIMEOUT) {
+ unmap_dma(i, ha);
+ SCarg->host_scribble = NULL;
+ ha->cp_stat[i] = FREE;
+ printk
+ ("%s, abort, mbox %d, eh_state timeout, pid %ld.\n",
+ ha->board_name, i, SCarg->pid);
+ return SUCCESS;
+ }
+
+ return FAILED;
+ }
+
+ if (ha->cp_stat[i] == IN_RESET) {
+ printk("%s: abort, mbox %d is in reset.\n", ha->board_name, i);
+ return FAILED;
+ }
+
+ if (ha->cp_stat[i] == LOCKED) {
+ printk("%s: abort, mbox %d is locked.\n", ha->board_name, i);
+ return SUCCESS;
+ }
+
+ if (ha->cp_stat[i] == READY || ha->cp_stat[i] == ABORTING) {
+ unmap_dma(i, ha);
+ SCarg->result = DID_ABORT << 16;
+ SCarg->host_scribble = NULL;
+ ha->cp_stat[i] = FREE;
+ printk("%s, abort, mbox %d ready, DID_ABORT, pid %ld done.\n",
+ ha->board_name, i, SCarg->pid);
+ SCarg->scsi_done(SCarg);
+ return SUCCESS;
+ }
+
+ panic("%s: abort, mbox %d, invalid cp_stat.\n", ha->board_name, i);
}
-static int eata2x_eh_host_reset(Scsi_Cmnd *SCarg) {
- unsigned int i, j, time, k, c, limit = 0;
- int arg_done = FALSE;
- Scsi_Cmnd *SCpnt;
+static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
+{
+ unsigned int i, time, k, c, limit = 0;
+ int arg_done = 0;
+ struct scsi_cmnd *SCpnt;
+ struct Scsi_Host *shost = SCarg->device->host;
+ struct hostdata *ha = (struct hostdata *)shost->hostdata;
- j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number;
- printk("%s: reset, enter, target %d.%d:%d, pid %ld.\n",
- BN(j), SCarg->device->channel, SCarg->device->id, SCarg->device->lun, SCarg->pid);
+ printk("%s: reset, enter, target %d.%d:%d, pid %ld.\n",
+ ha->board_name, SCarg->device->channel, SCarg->device->id,
+ SCarg->device->lun, SCarg->pid);
- if (SCarg->host_scribble == NULL)
- printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->pid);
+ if (SCarg->host_scribble == NULL)
+ printk("%s: reset, pid %ld inactive.\n", ha->board_name, SCarg->pid);
- if (HD(j)->in_reset) {
- printk("%s: reset, exit, already in reset.\n", BN(j));
- return FAILED;
- }
+ if (ha->in_reset) {
+ printk("%s: reset, exit, already in reset.\n", ha->board_name);
+ return FAILED;
+ }
- if (wait_on_busy(sh[j]->io_port, MAXLOOP)) {
- printk("%s: reset, exit, timeout error.\n", BN(j));
- return FAILED;
- }
+ if (wait_on_busy(shost->io_port, MAXLOOP)) {
+ printk("%s: reset, exit, timeout error.\n", ha->board_name);
+ return FAILED;
+ }
- HD(j)->retries = 0;
+ ha->retries = 0;
- for (c = 0; c <= sh[j]->max_channel; c++)
- for (k = 0; k < sh[j]->max_id; k++) {
- HD(j)->target_redo[k][c] = TRUE;
- HD(j)->target_to[k][c] = 0;
- }
+ for (c = 0; c <= shost->max_channel; c++)
+ for (k = 0; k < shost->max_id; k++) {
+ ha->target_redo[k][c] = 1;
+ ha->target_to[k][c] = 0;
+ }
- for (i = 0; i < sh[j]->can_queue; i++) {
+ for (i = 0; i < shost->can_queue; i++) {
- if (HD(j)->cp_stat[i] == FREE) continue;
+ if (ha->cp_stat[i] == FREE)
+ continue;
- if (HD(j)->cp_stat[i] == LOCKED) {
- HD(j)->cp_stat[i] = FREE;
- printk("%s: reset, locked mbox %d forced free.\n", BN(j), i);
- continue;
- }
+ if (ha->cp_stat[i] == LOCKED) {
+ ha->cp_stat[i] = FREE;
+ printk("%s: reset, locked mbox %d forced free.\n",
+ ha->board_name, i);
+ continue;
+ }
- if (!(SCpnt = HD(j)->cp[i].SCpnt))
- panic("%s: reset, mbox %d, SCpnt == NULL.\n", BN(j), i);
+ if (!(SCpnt = ha->cp[i].SCpnt))
+ panic("%s: reset, mbox %d, SCpnt == NULL.\n", ha->board_name, i);
- if (HD(j)->cp_stat[i] == READY || HD(j)->cp_stat[i] == ABORTING) {
- HD(j)->cp_stat[i] = ABORTING;
- printk("%s: reset, mbox %d aborting, pid %ld.\n",
- BN(j), i, SCpnt->pid);
- }
+ if (ha->cp_stat[i] == READY || ha->cp_stat[i] == ABORTING) {
+ ha->cp_stat[i] = ABORTING;
+ printk("%s: reset, mbox %d aborting, pid %ld.\n",
+ ha->board_name, i, SCpnt->pid);
+ }
- else {
- HD(j)->cp_stat[i] = IN_RESET;
- printk("%s: reset, mbox %d in reset, pid %ld.\n",
- BN(j), i, SCpnt->pid);
- }
+ else {
+ ha->cp_stat[i] = IN_RESET;
+ printk("%s: reset, mbox %d in reset, pid %ld.\n",
+ ha->board_name, i, SCpnt->pid);
+ }
- if (SCpnt->host_scribble == NULL)
- panic("%s: reset, mbox %d, garbled SCpnt.\n", BN(j), i);
+ if (SCpnt->host_scribble == NULL)
+ panic("%s: reset, mbox %d, garbled SCpnt.\n", ha->board_name, i);
- if (*(unsigned int *)SCpnt->host_scribble != i)
- panic("%s: reset, mbox %d, index mismatch.\n", BN(j), i);
+ if (*(unsigned int *)SCpnt->host_scribble != i)
+ panic("%s: reset, mbox %d, index mismatch.\n", ha->board_name, i);
- if (SCpnt->scsi_done == NULL)
- panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n", BN(j), i);
+ if (SCpnt->scsi_done == NULL)
+ panic("%s: reset, mbox %d, SCpnt->scsi_done == NULL.\n",
+ ha->board_name, i);
- if (SCpnt == SCarg) arg_done = TRUE;
- }
+ if (SCpnt == SCarg)
+ arg_done = 1;
+ }
- if (do_dma(sh[j]->io_port, 0, RESET_PIO)) {
- printk("%s: reset, cannot reset, timeout error.\n", BN(j));
- return FAILED;
- }
+ if (do_dma(shost->io_port, 0, RESET_PIO)) {
+ printk("%s: reset, cannot reset, timeout error.\n", ha->board_name);
+ return FAILED;
+ }
- printk("%s: reset, board reset done, enabling interrupts.\n", BN(j));
+ printk("%s: reset, board reset done, enabling interrupts.\n", ha->board_name);
#if defined(DEBUG_RESET)
- do_trace = TRUE;
+ do_trace = 1;
#endif
- HD(j)->in_reset = TRUE;
-
- spin_unlock_irq(sh[j]->host_lock);
- time = jiffies;
- while ((jiffies - time) < (10 * HZ) && limit++ < 200000) udelay(100L);
- spin_lock_irq(sh[j]->host_lock);
+ ha->in_reset = 1;
- printk("%s: reset, interrupts disabled, loops %d.\n", BN(j), limit);
+ spin_unlock_irq(shost->host_lock);
+ time = jiffies;
+ while ((jiffies - time) < (10 * HZ) && limit++ < 200000)
+ udelay(100L);
+ spin_lock_irq(shost->host_lock);
- for (i = 0; i < sh[j]->can_queue; i++) {
+ printk("%s: reset, interrupts disabled, loops %d.\n", ha->board_name, limit);
- if (HD(j)->cp_stat[i] == IN_RESET) {
- SCpnt = HD(j)->cp[i].SCpnt;
- unmap_dma(i, j);
- SCpnt->result = DID_RESET << 16;
- SCpnt->host_scribble = NULL;
+ for (i = 0; i < shost->can_queue; i++) {
- /* This mailbox is still waiting for its interrupt */
- HD(j)->cp_stat[i] = LOCKED;
+ if (ha->cp_stat[i] == IN_RESET) {
+ SCpnt = ha->cp[i].SCpnt;
+ unmap_dma(i, ha);
+ SCpnt->result = DID_RESET << 16;
+ SCpnt->host_scribble = NULL;
- printk("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n",
- BN(j), i, SCpnt->pid);
- }
+ /* This mailbox is still waiting for its interrupt */
+ ha->cp_stat[i] = LOCKED;
- else if (HD(j)->cp_stat[i] == ABORTING) {
- SCpnt = HD(j)->cp[i].SCpnt;
- unmap_dma(i, j);
- SCpnt->result = DID_RESET << 16;
- SCpnt->host_scribble = NULL;
+ printk
+ ("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n",
+ ha->board_name, i, SCpnt->pid);
+ }
- /* This mailbox was never queued to the adapter */
- HD(j)->cp_stat[i] = FREE;
+ else if (ha->cp_stat[i] == ABORTING) {
+ SCpnt = ha->cp[i].SCpnt;
+ unmap_dma(i, ha);
+ SCpnt->result = DID_RESET << 16;
+ SCpnt->host_scribble = NULL;
- printk("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n",
- BN(j), i, SCpnt->pid);
- }
+ /* This mailbox was never queued to the adapter */
+ ha->cp_stat[i] = FREE;
- else
+ printk
+ ("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n",
+ ha->board_name, i, SCpnt->pid);
+ }
- /* Any other mailbox has already been set free by interrupt */
- continue;
+ else
+ /* Any other mailbox has already been set free by interrupt */
+ continue;
- SCpnt->scsi_done(SCpnt);
- }
+ SCpnt->scsi_done(SCpnt);
+ }
- HD(j)->in_reset = FALSE;
- do_trace = FALSE;
+ ha->in_reset = 0;
+ do_trace = 0;
- if (arg_done) printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->pid);
- else printk("%s: reset, exit.\n", BN(j));
+ if (arg_done)
+ printk("%s: reset, exit, pid %ld done.\n", ha->board_name, SCarg->pid);
+ else
+ printk("%s: reset, exit.\n", ha->board_name);
- return SUCCESS;
+ return SUCCESS;
}
int eata2x_bios_param(struct scsi_device *sdev, struct block_device *bdev,
- sector_t capacity, int *dkinfo) {
- unsigned int size = capacity;
-
- if (ext_tran || (scsicam_bios_param(bdev, capacity, dkinfo) < 0)) {
- dkinfo[0] = 255;
- dkinfo[1] = 63;
- dkinfo[2] = size / (dkinfo[0] * dkinfo[1]);
- }
-
+ sector_t capacity, int *dkinfo)
+{
+ unsigned int size = capacity;
+
+ if (ext_tran || (scsicam_bios_param(bdev, capacity, dkinfo) < 0)) {
+ dkinfo[0] = 255;
+ dkinfo[1] = 63;
+ dkinfo[2] = size / (dkinfo[0] * dkinfo[1]);
+ }
#if defined (DEBUG_GEOMETRY)
- printk ("%s: bios_param, head=%d, sec=%d, cyl=%d.\n", driver_name,
- dkinfo[0], dkinfo[1], dkinfo[2]);
+ printk("%s: bios_param, head=%d, sec=%d, cyl=%d.\n", driver_name,
+ dkinfo[0], dkinfo[1], dkinfo[2]);
#endif
- return FALSE;
+ return 0;
}
static void sort(unsigned long sk[], unsigned int da[], unsigned int n,
- unsigned int rev) {
- unsigned int i, j, k, y;
- unsigned long x;
-
- for (i = 0; i < n - 1; i++) {
- k = i;
-
- for (j = k + 1; j < n; j++)
- if (rev) {
- if (sk[j] > sk[k]) k = j;
- }
- else {
- if (sk[j] < sk[k]) k = j;
- }
-
- if (k != i) {
- x = sk[k]; sk[k] = sk[i]; sk[i] = x;
- y = da[k]; da[k] = da[i]; da[i] = y;
- }
- }
-
- return;
- }
-
-static int reorder(unsigned int j, unsigned long cursec,
- unsigned int ihdlr, unsigned int il[], unsigned int n_ready) {
- Scsi_Cmnd *SCpnt;
- struct mscp *cpp;
- unsigned int k, n;
- unsigned int rev = FALSE, s = TRUE, r = TRUE;
- unsigned int input_only = TRUE, overlap = FALSE;
- unsigned long sl[n_ready], pl[n_ready], ll[n_ready];
- unsigned long maxsec = 0, minsec = ULONG_MAX, seek = 0, iseek = 0;
- unsigned long ioseek = 0;
-
- static unsigned int flushcount = 0, batchcount = 0, sortcount = 0;
- static unsigned int readycount = 0, ovlcount = 0, inputcount = 0;
- static unsigned int readysorted = 0, revcount = 0;
- static unsigned long seeksorted = 0, seeknosort = 0;
-
- if (link_statistics && !(++flushcount % link_statistics))
- printk("fc %d bc %d ic %d oc %d rc %d rs %d sc %d re %d"\
- " av %ldK as %ldK.\n", flushcount, batchcount, inputcount,
- ovlcount, readycount, readysorted, sortcount, revcount,
- seeknosort / (readycount + 1),
- seeksorted / (readycount + 1));
-
- if (n_ready <= 1) return FALSE;
-
- for (n = 0; n < n_ready; n++) {
- k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
-
- if (!cpp->din) input_only = FALSE;
-
- if (SCpnt->request->sector < minsec) minsec = SCpnt->request->sector;
- if (SCpnt->request->sector > maxsec) maxsec = SCpnt->request->sector;
-
- sl[n] = SCpnt->request->sector;
- ioseek += SCpnt->request->nr_sectors;
-
- if (!n) continue;
-
- if (sl[n] < sl[n - 1]) s = FALSE;
- if (sl[n] > sl[n - 1]) r = FALSE;
-
- if (link_statistics) {
- if (sl[n] > sl[n - 1])
- seek += sl[n] - sl[n - 1];
- else
- seek += sl[n - 1] - sl[n];
- }
-
- }
-
- if (link_statistics) {
- if (cursec > sl[0]) seek += cursec - sl[0]; else seek += sl[0] - cursec;
- }
-
- if (cursec > ((maxsec + minsec) / 2)) rev = TRUE;
-
- if (ioseek > ((maxsec - minsec) / 2)) rev = FALSE;
-
- if (!((rev && r) || (!rev && s))) sort(sl, il, n_ready, rev);
-
- if (!input_only) for (n = 0; n < n_ready; n++) {
- k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
- ll[n] = SCpnt->request->nr_sectors; pl[n] = SCpnt->pid;
-
- if (!n) continue;
-
- if ((sl[n] == sl[n - 1]) || (!rev && ((sl[n - 1] + ll[n - 1]) > sl[n]))
- || (rev && ((sl[n] + ll[n]) > sl[n - 1]))) overlap = TRUE;
- }
-
- if (overlap) sort(pl, il, n_ready, FALSE);
-
- if (link_statistics) {
- if (cursec > sl[0]) iseek = cursec - sl[0]; else iseek = sl[0] - cursec;
- batchcount++; readycount += n_ready; seeknosort += seek / 1024;
- if (input_only) inputcount++;
- if (overlap) { ovlcount++; seeksorted += iseek / 1024; }
- else seeksorted += (iseek + maxsec - minsec) / 1024;
- if (rev && !r) { revcount++; readysorted += n_ready; }
- if (!rev && !s) { sortcount++; readysorted += n_ready; }
- }
+ unsigned int rev)
+{
+ unsigned int i, j, k, y;
+ unsigned long x;
+
+ for (i = 0; i < n - 1; i++) {
+ k = i;
+
+ for (j = k + 1; j < n; j++)
+ if (rev) {
+ if (sk[j] > sk[k])
+ k = j;
+ } else {
+ if (sk[j] < sk[k])
+ k = j;
+ }
+
+ if (k != i) {
+ x = sk[k];
+ sk[k] = sk[i];
+ sk[i] = x;
+ y = da[k];
+ da[k] = da[i];
+ da[i] = y;
+ }
+ }
+
+ return;
+}
+static int reorder(struct hostdata *ha, unsigned long cursec,
+ unsigned int ihdlr, unsigned int il[], unsigned int n_ready)
+{
+ struct scsi_cmnd *SCpnt;
+ struct mscp *cpp;
+ unsigned int k, n;
+ unsigned int rev = 0, s = 1, r = 1;
+ unsigned int input_only = 1, overlap = 0;
+ unsigned long sl[n_ready], pl[n_ready], ll[n_ready];
+ unsigned long maxsec = 0, minsec = ULONG_MAX, seek = 0, iseek = 0;
+ unsigned long ioseek = 0;
+
+ static unsigned int flushcount = 0, batchcount = 0, sortcount = 0;
+ static unsigned int readycount = 0, ovlcount = 0, inputcount = 0;
+ static unsigned int readysorted = 0, revcount = 0;
+ static unsigned long seeksorted = 0, seeknosort = 0;
+
+ if (link_statistics && !(++flushcount % link_statistics))
+ printk("fc %d bc %d ic %d oc %d rc %d rs %d sc %d re %d"
+ " av %ldK as %ldK.\n", flushcount, batchcount,
+ inputcount, ovlcount, readycount, readysorted, sortcount,
+ revcount, seeknosort / (readycount + 1),
+ seeksorted / (readycount + 1));
+
+ if (n_ready <= 1)
+ return 0;
+
+ for (n = 0; n < n_ready; n++) {
+ k = il[n];
+ cpp = &ha->cp[k];
+ SCpnt = cpp->SCpnt;
+
+ if (!cpp->din)
+ input_only = 0;
+
+ if (SCpnt->request->sector < minsec)
+ minsec = SCpnt->request->sector;
+ if (SCpnt->request->sector > maxsec)
+ maxsec = SCpnt->request->sector;
+
+ sl[n] = SCpnt->request->sector;
+ ioseek += SCpnt->request->nr_sectors;
+
+ if (!n)
+ continue;
+
+ if (sl[n] < sl[n - 1])
+ s = 0;
+ if (sl[n] > sl[n - 1])
+ r = 0;
+
+ if (link_statistics) {
+ if (sl[n] > sl[n - 1])
+ seek += sl[n] - sl[n - 1];
+ else
+ seek += sl[n - 1] - sl[n];
+ }
+
+ }
+
+ if (link_statistics) {
+ if (cursec > sl[0])
+ seek += cursec - sl[0];
+ else
+ seek += sl[0] - cursec;
+ }
+
+ if (cursec > ((maxsec + minsec) / 2))
+ rev = 1;
+
+ if (ioseek > ((maxsec - minsec) / 2))
+ rev = 0;
+
+ if (!((rev && r) || (!rev && s)))
+ sort(sl, il, n_ready, rev);
+
+ if (!input_only)
+ for (n = 0; n < n_ready; n++) {
+ k = il[n];
+ cpp = &ha->cp[k];
+ SCpnt = cpp->SCpnt;
+ ll[n] = SCpnt->request->nr_sectors;
+ pl[n] = SCpnt->pid;
+
+ if (!n)
+ continue;
+
+ if ((sl[n] == sl[n - 1])
+ || (!rev && ((sl[n - 1] + ll[n - 1]) > sl[n]))
+ || (rev && ((sl[n] + ll[n]) > sl[n - 1])))
+ overlap = 1;
+ }
+
+ if (overlap)
+ sort(pl, il, n_ready, 0);
+
+ if (link_statistics) {
+ if (cursec > sl[0])
+ iseek = cursec - sl[0];
+ else
+ iseek = sl[0] - cursec;
+ batchcount++;
+ readycount += n_ready;
+ seeknosort += seek / 1024;
+ if (input_only)
+ inputcount++;
+ if (overlap) {
+ ovlcount++;
+ seeksorted += iseek / 1024;
+ } else
+ seeksorted += (iseek + maxsec - minsec) / 1024;
+ if (rev && !r) {
+ revcount++;
+ readysorted += n_ready;
+ }
+ if (!rev && !s) {
+ sortcount++;
+ readysorted += n_ready;
+ }
+ }
#if defined(DEBUG_LINKED_COMMANDS)
- if (link_statistics && (overlap || !(flushcount % link_statistics)))
- for (n = 0; n < n_ready; n++) {
- k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
- printk("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld"\
- " cur %ld s:%c r:%c rev:%c in:%c ov:%c xd %d.\n",
- (ihdlr ? "ihdlr" : "qcomm"), SCpnt->device->channel, SCpnt->device->id,
- SCpnt->device->lun, SCpnt->pid, k, flushcount, n_ready,
- SCpnt->request->sector, SCpnt->request->nr_sectors, cursec,
- YESNO(s), YESNO(r), YESNO(rev), YESNO(input_only),
- YESNO(overlap), cpp->din);
- }
+ if (link_statistics && (overlap || !(flushcount % link_statistics)))
+ for (n = 0; n < n_ready; n++) {
+ k = il[n];
+ cpp = &ha->cp[k];
+ SCpnt = cpp->SCpnt;
+ printk
+ ("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld"
+ " cur %ld s:%c r:%c rev:%c in:%c ov:%c xd %d.\n",
+ (ihdlr ? "ihdlr" : "qcomm"),
+ SCpnt->device->channel, SCpnt->device->id,
+ SCpnt->device->lun, SCpnt->pid, k, flushcount,
+ n_ready, SCpnt->request->sector,
+ SCpnt->request->nr_sectors, cursec, YESNO(s),
+ YESNO(r), YESNO(rev), YESNO(input_only),
+ YESNO(overlap), cpp->din);
+ }
#endif
- return overlap;
+ return overlap;
}
-static void flush_dev(Scsi_Device *dev, unsigned long cursec, unsigned int j,
- unsigned int ihdlr) {
- Scsi_Cmnd *SCpnt;
- struct mscp *cpp;
- unsigned int k, n, n_ready = 0, il[MAX_MAILBOXES];
-
- for (k = 0; k < sh[j]->can_queue; k++) {
+static void flush_dev(struct scsi_device *dev, unsigned long cursec,
+ struct hostdata *ha, unsigned int ihdlr)
+{
+ struct scsi_cmnd *SCpnt;
+ struct mscp *cpp;
+ unsigned int k, n, n_ready = 0, il[MAX_MAILBOXES];
- if (HD(j)->cp_stat[k] != READY && HD(j)->cp_stat[k] != IN_USE) continue;
+ for (k = 0; k < dev->host->can_queue; k++) {
- cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
+ if (ha->cp_stat[k] != READY && ha->cp_stat[k] != IN_USE)
+ continue;
- if (SCpnt->device != dev) continue;
+ cpp = &ha->cp[k];
+ SCpnt = cpp->SCpnt;
- if (HD(j)->cp_stat[k] == IN_USE) return;
+ if (SCpnt->device != dev)
+ continue;
- il[n_ready++] = k;
- }
+ if (ha->cp_stat[k] == IN_USE)
+ return;
- if (reorder(j, cursec, ihdlr, il, n_ready)) n_ready = 1;
+ il[n_ready++] = k;
+ }
- for (n = 0; n < n_ready; n++) {
- k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
+ if (reorder(ha, cursec, ihdlr, il, n_ready))
+ n_ready = 1;
- if (do_dma(sh[j]->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) {
- printk("%s: %s, target %d.%d:%d, pid %ld, mbox %d, adapter"\
- " busy, will abort.\n", BN(j), (ihdlr ? "ihdlr" : "qcomm"),
- SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid, k);
- HD(j)->cp_stat[k] = ABORTING;
- continue;
- }
+ for (n = 0; n < n_ready; n++) {
+ k = il[n];
+ cpp = &ha->cp[k];
+ SCpnt = cpp->SCpnt;
- HD(j)->cp_stat[k] = IN_USE;
- }
+ if (do_dma(dev->host->io_port, cpp->cp_dma_addr, SEND_CP_DMA)) {
+ printk
+ ("%s: %s, target %d.%d:%d, pid %ld, mbox %d, adapter"
+ " busy, will abort.\n", ha->board_name,
+ (ihdlr ? "ihdlr" : "qcomm"),
+ SCpnt->device->channel, SCpnt->device->id,
+ SCpnt->device->lun, SCpnt->pid, k);
+ ha->cp_stat[k] = ABORTING;
+ continue;
+ }
+ ha->cp_stat[k] = IN_USE;
+ }
}
-static irqreturn_t ihdlr(int irq, unsigned int j) {
- Scsi_Cmnd *SCpnt;
- unsigned int i, k, c, status, tstatus, reg;
- struct mssp *spp;
- struct mscp *cpp;
+static irqreturn_t ihdlr(int irq, struct Scsi_Host *shost)
+{
+ struct scsi_cmnd *SCpnt;
+ unsigned int i, k, c, status, tstatus, reg;
+ struct mssp *spp;
+ struct mscp *cpp;
+ struct hostdata *ha = (struct hostdata *)shost->hostdata;
- if (sh[j]->irq != irq)
- panic("%s: ihdlr, irq %d, sh[j]->irq %d.\n", BN(j), irq, sh[j]->irq);
+ if (shost->irq != irq)
+ panic("%s: ihdlr, irq %d, shost->irq %d.\n", ha->board_name, irq,
+ shost->irq);
- /* Check if this board need to be serviced */
- if (!(inb(sh[j]->io_port + REG_AUX_STATUS) & IRQ_ASSERTED)) goto none;
+ /* Check if this board need to be serviced */
+ if (!(inb(shost->io_port + REG_AUX_STATUS) & IRQ_ASSERTED))
+ goto none;
- HD(j)->iocount++;
+ ha->iocount++;
- if (do_trace) printk("%s: ihdlr, enter, irq %d, count %d.\n", BN(j), irq,
- HD(j)->iocount);
+ if (do_trace)
+ printk("%s: ihdlr, enter, irq %d, count %d.\n", ha->board_name, irq,
+ ha->iocount);
- /* Check if this board is still busy */
- if (wait_on_busy(sh[j]->io_port, 20 * MAXLOOP)) {
- reg = inb(sh[j]->io_port + REG_STATUS);
- printk("%s: ihdlr, busy timeout error, irq %d, reg 0x%x, count %d.\n",
- BN(j), irq, reg, HD(j)->iocount);
- goto none;
- }
+ /* Check if this board is still busy */
+ if (wait_on_busy(shost->io_port, 20 * MAXLOOP)) {
+ reg = inb(shost->io_port + REG_STATUS);
+ printk
+ ("%s: ihdlr, busy timeout error, irq %d, reg 0x%x, count %d.\n",
+ ha->board_name, irq, reg, ha->iocount);
+ goto none;
+ }
- spp = &HD(j)->sp;
+ spp = &ha->sp;
- /* Make a local copy just before clearing the interrupt indication */
- memcpy(spp, HD(j)->sp_cpu_addr, sizeof(struct mssp));
+ /* Make a local copy just before clearing the interrupt indication */
+ memcpy(spp, ha->sp_cpu_addr, sizeof(struct mssp));
- /* Clear the completion flag and cp pointer on the dynamic copy of sp */
- memset(HD(j)->sp_cpu_addr, 0, sizeof(struct mssp));
+ /* Clear the completion flag and cp pointer on the dynamic copy of sp */
+ memset(ha->sp_cpu_addr, 0, sizeof(struct mssp));
- /* Read the status register to clear the interrupt indication */
- reg = inb(sh[j]->io_port + REG_STATUS);
+ /* Read the status register to clear the interrupt indication */
+ reg = inb(shost->io_port + REG_STATUS);
#if defined (DEBUG_INTERRUPT)
- {
- unsigned char *bytesp;
- int cnt;
- bytesp= (unsigned char *) spp;
- if (HD(j)->iocount < 200) {
- printk("sp[] =");
- for (cnt=0; cnt < 15; cnt++) printk(" 0x%x", bytesp[cnt]);
- printk("\n");
- }
- }
+ {
+ unsigned char *bytesp;
+ int cnt;
+ bytesp = (unsigned char *)spp;
+ if (ha->iocount < 200) {
+ printk("sp[] =");
+ for (cnt = 0; cnt < 15; cnt++)
+ printk(" 0x%x", bytesp[cnt]);
+ printk("\n");
+ }
+ }
#endif
- /* Reject any sp with supspect data */
- if (spp->eoc == FALSE && HD(j)->iocount > 1)
- printk("%s: ihdlr, spp->eoc == FALSE, irq %d, reg 0x%x, count %d.\n",
- BN(j), irq, reg, HD(j)->iocount);
- if (spp->cpp_index < 0 || spp->cpp_index >= sh[j]->can_queue)
- printk("%s: ihdlr, bad spp->cpp_index %d, irq %d, reg 0x%x, count %d.\n",
- BN(j), spp->cpp_index, irq, reg, HD(j)->iocount);
- if (spp->eoc == FALSE || spp->cpp_index < 0
- || spp->cpp_index >= sh[j]->can_queue) goto handled;
+ /* Reject any sp with supspect data */
+ if (spp->eoc == 0 && ha->iocount > 1)
+ printk
+ ("%s: ihdlr, spp->eoc == 0, irq %d, reg 0x%x, count %d.\n",
+ ha->board_name, irq, reg, ha->iocount);
+ if (spp->cpp_index < 0 || spp->cpp_index >= shost->can_queue)
+ printk
+ ("%s: ihdlr, bad spp->cpp_index %d, irq %d, reg 0x%x, count %d.\n",
+ ha->board_name, spp->cpp_index, irq, reg, ha->iocount);
+ if (spp->eoc == 0 || spp->cpp_index < 0
+ || spp->cpp_index >= shost->can_queue)
+ goto handled;
- /* Find the mailbox to be serviced on this board */
- i = spp->cpp_index;
+ /* Find the mailbox to be serviced on this board */
+ i = spp->cpp_index;
- cpp = &(HD(j)->cp[i]);
+ cpp = &(ha->cp[i]);
#if defined(DEBUG_GENERATE_ABORTS)
- if ((HD(j)->iocount > 500) && ((HD(j)->iocount % 500) < 3)) goto handled;
+ if ((ha->iocount > 500) && ((ha->iocount % 500) < 3))
+ goto handled;
#endif
- if (HD(j)->cp_stat[i] == IGNORE) {
- HD(j)->cp_stat[i] = FREE;
- goto handled;
- }
- else if (HD(j)->cp_stat[i] == LOCKED) {
- HD(j)->cp_stat[i] = FREE;
- printk("%s: ihdlr, mbox %d unlocked, count %d.\n", BN(j), i,
- HD(j)->iocount);
- goto handled;
- }
- else if (HD(j)->cp_stat[i] == FREE) {
- printk("%s: ihdlr, mbox %d is free, count %d.\n", BN(j), i,
- HD(j)->iocount);
- goto handled;
- }
- else if (HD(j)->cp_stat[i] == IN_RESET)
- printk("%s: ihdlr, mbox %d is in reset.\n", BN(j), i);
- else if (HD(j)->cp_stat[i] != IN_USE)
- panic("%s: ihdlr, mbox %d, invalid cp_stat: %d.\n",
- BN(j), i, HD(j)->cp_stat[i]);
-
- HD(j)->cp_stat[i] = FREE;
- SCpnt = cpp->SCpnt;
-
- if (SCpnt == NULL) panic("%s: ihdlr, mbox %d, SCpnt == NULL.\n", BN(j), i);
-
- if (SCpnt->host_scribble == NULL)
- panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", BN(j), i,
- SCpnt->pid, SCpnt);
-
- if (*(unsigned int *)SCpnt->host_scribble != i)
- panic("%s: ihdlr, mbox %d, pid %ld, index mismatch %d.\n",
- BN(j), i, SCpnt->pid, *(unsigned int *)SCpnt->host_scribble);
-
- sync_dma(i, j);
-
- if (linked_comm && SCpnt->device->queue_depth > 2
- && TLDEV(SCpnt->device->type))
- flush_dev(SCpnt->device, SCpnt->request->sector, j, TRUE);
-
- tstatus = status_byte(spp->target_status);
+ if (ha->cp_stat[i] == IGNORE) {
+ ha->cp_stat[i] = FREE;
+ goto handled;
+ } else if (ha->cp_stat[i] == LOCKED) {
+ ha->cp_stat[i] = FREE;
+ printk("%s: ihdlr, mbox %d unlocked, count %d.\n", ha->board_name, i,
+ ha->iocount);
+ goto handled;
+ } else if (ha->cp_stat[i] == FREE) {
+ printk("%s: ihdlr, mbox %d is free, count %d.\n", ha->board_name, i,
+ ha->iocount);
+ goto handled;
+ } else if (ha->cp_stat[i] == IN_RESET)
+ printk("%s: ihdlr, mbox %d is in reset.\n", ha->board_name, i);
+ else if (ha->cp_stat[i] != IN_USE)
+ panic("%s: ihdlr, mbox %d, invalid cp_stat: %d.\n",
+ ha->board_name, i, ha->cp_stat[i]);
+
+ ha->cp_stat[i] = FREE;
+ SCpnt = cpp->SCpnt;
+
+ if (SCpnt == NULL)
+ panic("%s: ihdlr, mbox %d, SCpnt == NULL.\n", ha->board_name, i);
+
+ if (SCpnt->host_scribble == NULL)
+ panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", ha->board_name,
+ i, SCpnt->pid, SCpnt);
+
+ if (*(unsigned int *)SCpnt->host_scribble != i)
+ panic("%s: ihdlr, mbox %d, pid %ld, index mismatch %d.\n",
+ ha->board_name, i, SCpnt->pid,
+ *(unsigned int *)SCpnt->host_scribble);
+
+ sync_dma(i, ha);
+
+ if (linked_comm && SCpnt->device->queue_depth > 2
+ && TLDEV(SCpnt->device->type))
+ flush_dev(SCpnt->device, SCpnt->request->sector, ha, 1);
+
+ tstatus = status_byte(spp->target_status);
#if defined(DEBUG_GENERATE_ERRORS)
- if ((HD(j)->iocount > 500) && ((HD(j)->iocount % 200) < 2))
- spp->adapter_status = 0x01;
+ if ((ha->iocount > 500) && ((ha->iocount % 200) < 2))
+ spp->adapter_status = 0x01;
#endif
- switch (spp->adapter_status) {
- case ASOK: /* status OK */
-
- /* Forces a reset if a disk drive keeps returning BUSY */
- if (tstatus == BUSY && SCpnt->device->type != TYPE_TAPE)
- status = DID_ERROR << 16;
-
- /* If there was a bus reset, redo operation on each target */
- else if (tstatus != GOOD && SCpnt->device->type == TYPE_DISK
- && HD(j)->target_redo[SCpnt->device->id][SCpnt->device->channel])
- status = DID_BUS_BUSY << 16;
-
- /* Works around a flaw in scsi.c */
- else if (tstatus == CHECK_CONDITION
- && SCpnt->device->type == TYPE_DISK
- && (SCpnt->sense_buffer[2] & 0xf) == RECOVERED_ERROR)
- status = DID_BUS_BUSY << 16;
-
- else
- status = DID_OK << 16;
-
- if (tstatus == GOOD)
- HD(j)->target_redo[SCpnt->device->id][SCpnt->device->channel] = FALSE;
-
- if (spp->target_status && SCpnt->device->type == TYPE_DISK &&
- (!(tstatus == CHECK_CONDITION && HD(j)->iocount <= 1000 &&
- (SCpnt->sense_buffer[2] & 0xf) == NOT_READY)))
- printk("%s: ihdlr, target %d.%d:%d, pid %ld, "\
- "target_status 0x%x, sense key 0x%x.\n", BN(j),
- SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun,
- SCpnt->pid, spp->target_status,
- SCpnt->sense_buffer[2]);
-
- HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel] = 0;
-
- if (HD(j)->last_retried_pid == SCpnt->pid) HD(j)->retries = 0;
-
- break;
- case ASST: /* Selection Time Out */
- case 0x02: /* Command Time Out */
-
- if (HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel] > 1)
- status = DID_ERROR << 16;
- else {
- status = DID_TIME_OUT << 16;
- HD(j)->target_to[SCpnt->device->id][SCpnt->device->channel]++;
- }
-
- break;
-
- /* Perform a limited number of internal retries */
- case 0x03: /* SCSI Bus Reset Received */
- case 0x04: /* Initial Controller Power-up */
-
- for (c = 0; c <= sh[j]->max_channel; c++)
- for (k = 0; k < sh[j]->max_id; k++)
- HD(j)->target_redo[k][c] = TRUE;
-
- if (SCpnt->device->type != TYPE_TAPE
- && HD(j)->retries < MAX_INTERNAL_RETRIES) {
+ switch (spp->adapter_status) {
+ case ASOK: /* status OK */
+
+ /* Forces a reset if a disk drive keeps returning BUSY */
+ if (tstatus == BUSY && SCpnt->device->type != TYPE_TAPE)
+ status = DID_ERROR << 16;
+
+ /* If there was a bus reset, redo operation on each target */
+ else if (tstatus != GOOD && SCpnt->device->type == TYPE_DISK
+ && ha->target_redo[SCpnt->device->id][SCpnt->
+ device->
+ channel])
+ status = DID_BUS_BUSY << 16;
+
+ /* Works around a flaw in scsi.c */
+ else if (tstatus == CHECK_CONDITION
+ && SCpnt->device->type == TYPE_DISK
+ && (SCpnt->sense_buffer[2] & 0xf) == RECOVERED_ERROR)
+ status = DID_BUS_BUSY << 16;
+
+ else
+ status = DID_OK << 16;
+
+ if (tstatus == GOOD)
+ ha->target_redo[SCpnt->device->id][SCpnt->device->
+ channel] = 0;
+
+ if (spp->target_status && SCpnt->device->type == TYPE_DISK &&
+ (!(tstatus == CHECK_CONDITION && ha->iocount <= 1000 &&
+ (SCpnt->sense_buffer[2] & 0xf) == NOT_READY)))
+ printk("%s: ihdlr, target %d.%d:%d, pid %ld, "
+ "target_status 0x%x, sense key 0x%x.\n",
+ ha->board_name,
+ SCpnt->device->channel, SCpnt->device->id,
+ SCpnt->device->lun, SCpnt->pid,
+ spp->target_status, SCpnt->sense_buffer[2]);
+
+ ha->target_to[SCpnt->device->id][SCpnt->device->channel] = 0;
+
+ if (ha->last_retried_pid == SCpnt->pid)
+ ha->retries = 0;
+
+ break;
+ case ASST: /* Selection Time Out */
+ case 0x02: /* Command Time Out */
+
+ if (ha->target_to[SCpnt->device->id][SCpnt->device->channel] > 1)
+ status = DID_ERROR << 16;
+ else {
+ status = DID_TIME_OUT << 16;
+ ha->target_to[SCpnt->device->id][SCpnt->device->
+ channel]++;
+ }
+
+ break;
+
+ /* Perform a limited number of internal retries */
+ case 0x03: /* SCSI Bus Reset Received */
+ case 0x04: /* Initial Controller Power-up */
+
+ for (c = 0; c <= shost->max_channel; c++)
+ for (k = 0; k < shost->max_id; k++)
+ ha->target_redo[k][c] = 1;
+
+ if (SCpnt->device->type != TYPE_TAPE
+ && ha->retries < MAX_INTERNAL_RETRIES) {
#if defined(DID_SOFT_ERROR)
- status = DID_SOFT_ERROR << 16;
+ status = DID_SOFT_ERROR << 16;
#else
- status = DID_BUS_BUSY << 16;
+ status = DID_BUS_BUSY << 16;
#endif
- HD(j)->retries++;
- HD(j)->last_retried_pid = SCpnt->pid;
- }
- else
- status = DID_ERROR << 16;
-
- break;
- case 0x05: /* Unexpected Bus Phase */
- case 0x06: /* Unexpected Bus Free */
- case 0x07: /* Bus Parity Error */
- case 0x08: /* SCSI Hung */
- case 0x09: /* Unexpected Message Reject */
- case 0x0a: /* SCSI Bus Reset Stuck */
- case 0x0b: /* Auto Request-Sense Failed */
- case 0x0c: /* Controller Ram Parity Error */
- default:
- status = DID_ERROR << 16;
- break;
- }
-
- SCpnt->result = status | spp->target_status;
+ ha->retries++;
+ ha->last_retried_pid = SCpnt->pid;
+ } else
+ status = DID_ERROR << 16;
+
+ break;
+ case 0x05: /* Unexpected Bus Phase */
+ case 0x06: /* Unexpected Bus Free */
+ case 0x07: /* Bus Parity Error */
+ case 0x08: /* SCSI Hung */
+ case 0x09: /* Unexpected Message Reject */
+ case 0x0a: /* SCSI Bus Reset Stuck */
+ case 0x0b: /* Auto Request-Sense Failed */
+ case 0x0c: /* Controller Ram Parity Error */
+ default:
+ status = DID_ERROR << 16;
+ break;
+ }
+
+ SCpnt->result = status | spp->target_status;
#if defined(DEBUG_INTERRUPT)
- if (SCpnt->result || do_trace)
+ if (SCpnt->result || do_trace)
#else
- if ((spp->adapter_status != ASOK && HD(j)->iocount > 1000) ||
- (spp->adapter_status != ASOK &&
- spp->adapter_status != ASST && HD(j)->iocount <= 1000) ||
- do_trace || msg_byte(spp->target_status))
+ if ((spp->adapter_status != ASOK && ha->iocount > 1000) ||
+ (spp->adapter_status != ASOK &&
+ spp->adapter_status != ASST && ha->iocount <= 1000) ||
+ do_trace || msg_byte(spp->target_status))
#endif
- printk("%s: ihdlr, mbox %2d, err 0x%x:%x,"\
- " target %d.%d:%d, pid %ld, reg 0x%x, count %d.\n",
- BN(j), i, spp->adapter_status, spp->target_status,
- SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, SCpnt->pid,
- reg, HD(j)->iocount);
+ printk("%s: ihdlr, mbox %2d, err 0x%x:%x,"
+ " target %d.%d:%d, pid %ld, reg 0x%x, count %d.\n",
+ ha->board_name, i, spp->adapter_status, spp->target_status,
+ SCpnt->device->channel, SCpnt->device->id,
+ SCpnt->device->lun, SCpnt->pid, reg, ha->iocount);
- unmap_dma(i, j);
+ unmap_dma(i, ha);
- /* Set the command state to inactive */
- SCpnt->host_scribble = NULL;
+ /* Set the command state to inactive */
+ SCpnt->host_scribble = NULL;
- SCpnt->scsi_done(SCpnt);
+ SCpnt->scsi_done(SCpnt);
- if (do_trace) printk("%s: ihdlr, exit, irq %d, count %d.\n", BN(j), irq,
- HD(j)->iocount);
+ if (do_trace)
+ printk("%s: ihdlr, exit, irq %d, count %d.\n", ha->board_name,
+ irq, ha->iocount);
-handled:
- return IRQ_HANDLED;
-none:
- return IRQ_NONE;
+ handled:
+ return IRQ_HANDLED;
+ none:
+ return IRQ_NONE;
}
static irqreturn_t do_interrupt_handler(int irq, void *shap,
- struct pt_regs *regs) {
- unsigned int j;
- unsigned long spin_flags;
- irqreturn_t ret;
-
- /* Check if the interrupt must be processed by this handler */
- if ((j = (unsigned int)((char *)shap - sha)) >= num_boards) return IRQ_NONE;
-
- spin_lock_irqsave(sh[j]->host_lock, spin_flags);
- ret = ihdlr(irq, j);
- spin_unlock_irqrestore(sh[j]->host_lock, spin_flags);
- return ret;
+ struct pt_regs *regs)
+{
+ struct Scsi_Host *shost;
+ unsigned int j;
+ unsigned long spin_flags;
+ irqreturn_t ret;
+
+ /* Check if the interrupt must be processed by this handler */
+ if ((j = (unsigned int)((char *)shap - sha)) >= num_boards)
+ return IRQ_NONE;
+ shost = sh[j];
+
+ spin_lock_irqsave(shost->host_lock, spin_flags);
+ ret = ihdlr(irq, shost);
+ spin_unlock_irqrestore(shost->host_lock, spin_flags);
+ return ret;
}
-static int eata2x_release(struct Scsi_Host *shpnt) {
- unsigned int i, j;
-
- for (j = 0; sh[j] != NULL && sh[j] != shpnt; j++);
-
- if (sh[j] == NULL) panic("%s: release, invalid Scsi_Host pointer.\n",
- driver_name);
+static int eata2x_release(struct Scsi_Host *shost)
+{
+ struct hostdata *ha = (struct hostdata *)shost->hostdata;
+ unsigned int i;
- for (i = 0; i < sh[j]->can_queue; i++)
- if ((&HD(j)->cp[i])->sglist) kfree((&HD(j)->cp[i])->sglist);
+ for (i = 0; i < shost->can_queue; i++)
+ if ((&ha->cp[i])->sglist)
+ kfree((&ha->cp[i])->sglist);
- for (i = 0; i < sh[j]->can_queue; i++)
- pci_unmap_single(HD(j)->pdev, HD(j)->cp[i].cp_dma_addr,
- sizeof(struct mscp), PCI_DMA_BIDIRECTIONAL);
+ for (i = 0; i < shost->can_queue; i++)
+ pci_unmap_single(ha->pdev, ha->cp[i].cp_dma_addr,
+ sizeof(struct mscp), PCI_DMA_BIDIRECTIONAL);
- if (HD(j)->sp_cpu_addr)
- pci_free_consistent(HD(j)->pdev, sizeof(struct mssp),
- HD(j)->sp_cpu_addr, HD(j)->sp_dma_addr);
+ if (ha->sp_cpu_addr)
+ pci_free_consistent(ha->pdev, sizeof(struct mssp),
+ ha->sp_cpu_addr, ha->sp_dma_addr);
- free_irq(sh[j]->irq, &sha[j]);
+ free_irq(shost->irq, &sha[ha->board_number]);
- if (sh[j]->dma_channel != NO_DMA) free_dma(sh[j]->dma_channel);
+ if (shost->dma_channel != NO_DMA)
+ free_dma(shost->dma_channel);
- release_region(sh[j]->io_port, sh[j]->n_io_port);
- scsi_unregister(sh[j]);
- return FALSE;
+ release_region(shost->io_port, shost->n_io_port);
+ scsi_unregister(shost);
+ return 0;
}
#include "scsi_module.c"
#ifndef MODULE
__setup("eata=", option_setup);
-#endif /* end MODULE */
+#endif /* end MODULE */
git://git.onelab.eu / linux-2.6.git / blobdiff