diff options
Diffstat (limited to 'drivers/scsi/ibmmca.c')
| -rw-r--r-- | drivers/scsi/ibmmca.c | 1267 |
1 files changed, 572 insertions, 695 deletions
diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c index 0e57fb6..4275d1b 100644 --- a/drivers/scsi/ibmmca.c +++ b/drivers/scsi/ibmmca.c @@ -31,14 +31,21 @@ #include <linux/mca.h> #include <linux/spinlock.h> #include <linux/init.h> -#include <linux/mca-legacy.h> #include <asm/system.h> #include <asm/io.h> #include "scsi.h" #include <scsi/scsi_host.h> -#include "ibmmca.h" + +/* Common forward declarations for all Linux-versions: */ +static int ibmmca_queuecommand (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *)); +static int ibmmca_abort (Scsi_Cmnd *); +static int ibmmca_host_reset (Scsi_Cmnd *); +static int ibmmca_biosparam (struct scsi_device *, struct block_device *, sector_t, int *); +static int ibmmca_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start, off_t offset, int length, int inout); + + /* current version of this driver-source: */ #define IBMMCA_SCSI_DRIVER_VERSION "4.0b-ac" @@ -65,11 +72,11 @@ #define IM_DEBUG_CMD_DEVICE TYPE_TAPE /* relative addresses of hardware registers on a subsystem */ -#define IM_CMD_REG(hi) (hosts[(hi)]->io_port) /*Command Interface, (4 bytes long) */ -#define IM_ATTN_REG(hi) (hosts[(hi)]->io_port+4) /*Attention (1 byte) */ -#define IM_CTR_REG(hi) (hosts[(hi)]->io_port+5) /*Basic Control (1 byte) */ -#define IM_INTR_REG(hi) (hosts[(hi)]->io_port+6) /*Interrupt Status (1 byte, r/o) */ -#define IM_STAT_REG(hi) (hosts[(hi)]->io_port+7) /*Basic Status (1 byte, read only) */ +#define IM_CMD_REG(h) ((h)->io_port) /*Command Interface, (4 bytes long) */ +#define IM_ATTN_REG(h) ((h)->io_port+4) /*Attention (1 byte) */ +#define IM_CTR_REG(h) ((h)->io_port+5) /*Basic Control (1 byte) */ +#define IM_INTR_REG(h) ((h)->io_port+6) /*Interrupt Status (1 byte, r/o) */ +#define IM_STAT_REG(h) ((h)->io_port+7) /*Basic Status (1 byte, read only) */ /* basic I/O-port of first adapter */ #define IM_IO_PORT 0x3540 @@ -266,30 +273,36 @@ static int global_adapter_speed = 0; /* full speed by default */ if ((display_mode & LED_ACTIVITY)||(!display_mode)) \ outb(inb(PS2_SYS_CTR) & 0x3f, PS2_SYS_CTR); } -/*list of supported subsystems */ -struct subsys_list_struct { - unsigned short mca_id; - char *description; -}; - /* types of different supported hardware that goes to hostdata special */ #define IBM_SCSI2_FW 0 #define IBM_7568_WCACHE 1 #define IBM_EXP_UNIT 2 #define IBM_SCSI_WCACHE 3 #define IBM_SCSI 4 +#define IBM_INTEGSCSI 5 /* other special flags for hostdata structure */ #define FORCED_DETECTION 100 #define INTEGRATED_SCSI 101 /* List of possible IBM-SCSI-adapters */ -static struct subsys_list_struct subsys_list[] = { - {0x8efc, "IBM SCSI-2 F/W Adapter"}, /* special = 0 */ - {0x8efd, "IBM 7568 Industrial Computer SCSI Adapter w/Cache"}, /* special = 1 */ - {0x8ef8, "IBM Expansion Unit SCSI Controller"}, /* special = 2 */ - {0x8eff, "IBM SCSI Adapter w/Cache"}, /* special = 3 */ - {0x8efe, "IBM SCSI Adapter"}, /* special = 4 */ +static short ibmmca_id_table[] = { + 0x8efc, + 0x8efd, + 0x8ef8, + 0x8eff, + 0x8efe, + /* No entry for integrated SCSI, that's part of the register */ + 0 +}; + +static const char *ibmmca_description[] = { + "IBM SCSI-2 F/W Adapter", /* special = 0 */ + "IBM 7568 Industrial Computer SCSI Adapter w/Cache", /* special = 1 */ + "IBM Expansion Unit SCSI Controller", /* special = 2 */ + "IBM SCSI Adapter w/Cache", /* special = 3 */ + "IBM SCSI Adapter", /* special = 4 */ + "IBM Integrated SCSI Controller", /* special = 5 */ }; /* Max number of logical devices (can be up from 0 to 14). 15 is the address @@ -375,30 +388,30 @@ struct ibmmca_hostdata { }; /* macros to access host data structure */ -#define subsystem_pun(hi) (hosts[(hi)]->this_id) -#define subsystem_maxid(hi) (hosts[(hi)]->max_id) -#define ld(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_ld) -#define get_ldn(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_get_ldn) -#define get_scsi(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_get_scsi) -#define local_checking_phase_flag(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_local_checking_phase_flag) -#define got_interrupt(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_got_interrupt) -#define stat_result(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_stat_result) -#define reset_status(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_reset_status) -#define last_scsi_command(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_command) -#define last_scsi_type(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_type) -#define last_scsi_blockcount(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_blockcount) -#define last_scsi_logical_block(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_logical_block) -#define last_scsi_type(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_last_scsi_type) -#define next_ldn(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_next_ldn) -#define IBM_DS(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_IBM_DS) -#define special(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_special) -#define subsystem_connector_size(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_connector_size) -#define adapter_speed(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_adapter_speed) -#define pos2(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[2]) -#define pos3(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[3]) -#define pos4(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[4]) -#define pos5(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[5]) -#define pos6(hi) (((struct ibmmca_hostdata *) hosts[(hi)]->hostdata)->_pos[6]) +#define subsystem_pun(h) ((h)->this_id) +#define subsystem_maxid(h) ((h)->max_id) +#define ld(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_ld) +#define get_ldn(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_get_ldn) +#define get_scsi(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_get_scsi) +#define local_checking_phase_flag(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_local_checking_phase_flag) +#define got_interrupt(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_got_interrupt) +#define stat_result(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_stat_result) +#define reset_status(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_reset_status) +#define last_scsi_command(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_command) +#define last_scsi_type(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_type) +#define last_scsi_blockcount(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_blockcount) +#define last_scsi_logical_block(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_logical_block) +#define last_scsi_type(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_last_scsi_type) +#define next_ldn(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_next_ldn) +#define IBM_DS(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_IBM_DS) +#define special(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_special) +#define subsystem_connector_size(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_connector_size) +#define adapter_speed(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_adapter_speed) +#define pos2(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[2]) +#define pos3(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[3]) +#define pos4(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[4]) +#define pos5(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[5]) +#define pos6(h) (((struct ibmmca_hostdata *) (h)->hostdata)->_pos[6]) /* Define a arbitrary number as subsystem-marker-type. This number is, as described in the ANSI-SCSI-standard, not occupied by other device-types. */ @@ -459,11 +472,6 @@ MODULE_LICENSE("GPL"); /*counter of concurrent disk read/writes, to turn on/off disk led */ static int disk_rw_in_progress = 0; -/* host information */ -static int found = 0; -static struct Scsi_Host *hosts[IM_MAX_HOSTS + 1] = { - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL -}; static unsigned int pos[8]; /* whole pos register-line for diagnosis */ /* Taking into account the additions, made by ZP Gu. * This selects now the preset value from the configfile and @@ -474,70 +482,68 @@ static char ibm_ansi_order = 1; static char ibm_ansi_order = 0; #endif -static void issue_cmd(int, unsigned long, unsigned char); +static void issue_cmd(struct Scsi_Host *, unsigned long, unsigned char); static void internal_done(Scsi_Cmnd * cmd); -static void check_devices(int, int); -static int immediate_assign(int, unsigned int, unsigned int, unsigned int, unsigned int); -static int immediate_feature(int, unsigned int, unsigned int); +static void check_devices(struct Scsi_Host *, int); +static int immediate_assign(struct Scsi_Host *, unsigned int, unsigned int, unsigned int, unsigned int); +static int immediate_feature(struct Scsi_Host *, unsigned int, unsigned int); #ifdef CONFIG_IBMMCA_SCSI_DEV_RESET -static int immediate_reset(int, unsigned int); +static int immediate_reset(struct Scsi_Host *, unsigned int); #endif -static int device_inquiry(int, int); -static int read_capacity(int, int); -static int get_pos_info(int); +static int device_inquiry(struct Scsi_Host *, int); +static int read_capacity(struct Scsi_Host *, int); +static int get_pos_info(struct Scsi_Host *); static char *ti_p(int); static char *ti_l(int); static char *ibmrate(unsigned int, int); static int probe_display(int); -static int probe_bus_mode(int); -static int device_exists(int, int, int *, int *); -static struct Scsi_Host *ibmmca_register(struct scsi_host_template *, int, int, int, char *); +static int probe_bus_mode(struct Scsi_Host *); +static int device_exists(struct Scsi_Host *, int, int *, int *); static int option_setup(char *); /* local functions needed for proc_info */ -static int ldn_access_load(int, int); -static int ldn_access_total_read_write(int); +static int ldn_access_load(struct Scsi_Host *, int); +static int ldn_access_total_read_write(struct Scsi_Host *); static irqreturn_t interrupt_handler(int irq, void *dev_id) { - int host_index, ihost_index; unsigned int intr_reg; unsigned int cmd_result; unsigned int ldn; + unsigned long flags; Scsi_Cmnd *cmd; int lastSCSI; - struct Scsi_Host *dev = dev_id; + struct device *dev = dev_id; + struct Scsi_Host *shpnt = dev_get_drvdata(dev); - spin_lock(dev->host_lock); - /* search for one adapter-response on shared interrupt */ - for (host_index = 0; hosts[host_index] && !(inb(IM_STAT_REG(host_index)) & IM_INTR_REQUEST); host_index++); - /* return if some other device on this IRQ caused the interrupt */ - if (!hosts[host_index]) { - spin_unlock(dev->host_lock); + spin_lock_irqsave(shpnt->host_lock, flags); + + if(!(inb(IM_STAT_REG(shpnt)) & IM_INTR_REQUEST)) { + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_NONE; } /* the reset-function already did all the job, even ints got renabled on the subsystem, so just return */ - if ((reset_status(host_index) == IM_RESET_NOT_IN_PROGRESS_NO_INT) || (reset_status(host_index) == IM_RESET_FINISHED_OK_NO_INT)) { - reset_status(host_index) = IM_RESET_NOT_IN_PROGRESS; - spin_unlock(dev->host_lock); + if ((reset_status(shpnt) == IM_RESET_NOT_IN_PROGRESS_NO_INT) || (reset_status(shpnt) == IM_RESET_FINISHED_OK_NO_INT)) { + reset_status(shpnt) = IM_RESET_NOT_IN_PROGRESS; + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_HANDLED; } /*must wait for attention reg not busy, then send EOI to subsystem */ while (1) { - if (!(inb(IM_STAT_REG(host_index)) & IM_BUSY)) + if (!(inb(IM_STAT_REG(shpnt)) & IM_BUSY)) break; cpu_relax(); } - ihost_index = host_index; + /*get command result and logical device */ - intr_reg = (unsigned char) (inb(IM_INTR_REG(ihost_index))); + intr_reg = (unsigned char) (inb(IM_INTR_REG(shpnt))); cmd_result = intr_reg & 0xf0; ldn = intr_reg & 0x0f; /* get the last_scsi_command here */ - lastSCSI = last_scsi_command(ihost_index)[ldn]; - outb(IM_EOI | ldn, IM_ATTN_REG(ihost_index)); + lastSCSI = last_scsi_command(shpnt)[ldn]; + outb(IM_EOI | ldn, IM_ATTN_REG(shpnt)); /*these should never happen (hw fails, or a local programming bug) */ if (!global_command_error_excuse) { @@ -547,38 +553,38 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id) case IM_SOFTWARE_SEQUENCING_ERROR: case IM_CMD_ERROR: printk(KERN_ERR "IBM MCA SCSI: Fatal Subsystem ERROR!\n"); - printk(KERN_ERR " Last cmd=0x%x, ena=%x, len=", lastSCSI, ld(ihost_index)[ldn].scb.enable); - if (ld(ihost_index)[ldn].cmd) - printk("%ld/%ld,", (long) (ld(ihost_index)[ldn].cmd->request_bufflen), (long) (ld(ihost_index)[ldn].scb.sys_buf_length)); + printk(KERN_ERR " Last cmd=0x%x, ena=%x, len=", lastSCSI, ld(shpnt)[ldn].scb.enable); + if (ld(shpnt)[ldn].cmd) + printk("%ld/%ld,", (long) (scsi_bufflen(ld(shpnt)[ldn].cmd)), (long) (ld(shpnt)[ldn].scb.sys_buf_length)); else printk("none,"); - if (ld(ihost_index)[ldn].cmd) - printk("Blocksize=%d", ld(ihost_index)[ldn].scb.u2.blk.length); + if (ld(shpnt)[ldn].cmd) + printk("Blocksize=%d", ld(shpnt)[ldn].scb.u2.blk.length); else printk("Blocksize=none"); - printk(", host=0x%x, ldn=0x%x\n", ihost_index, ldn); - if (ld(ihost_index)[ldn].cmd) { - printk(KERN_ERR "Blockcount=%d/%d\n", last_scsi_blockcount(ihost_index)[ldn], ld(ihost_index)[ldn].scb.u2.blk.count); - printk(KERN_ERR "Logical block=%lx/%lx\n", last_scsi_logical_block(ihost_index)[ldn], ld(ihost_index)[ldn].scb.u1.log_blk_adr); + printk(", host=%p, ldn=0x%x\n", shpnt, ldn); + if (ld(shpnt)[ldn].cmd) { + printk(KERN_ERR "Blockcount=%d/%d\n", last_scsi_blockcount(shpnt)[ldn], ld(shpnt)[ldn].scb.u2.blk.count); + printk(KERN_ERR "Logical block=%lx/%lx\n", last_scsi_logical_block(shpnt)[ldn], ld(shpnt)[ldn].scb.u1.log_blk_adr); } printk(KERN_ERR "Reason given: %s\n", (cmd_result == IM_ADAPTER_HW_FAILURE) ? "HARDWARE FAILURE" : (cmd_result == IM_SOFTWARE_SEQUENCING_ERROR) ? "SOFTWARE SEQUENCING ERROR" : (cmd_result == IM_CMD_ERROR) ? "COMMAND ERROR" : "UNKNOWN"); /* if errors appear, enter this section to give detailed info */ printk(KERN_ERR "IBM MCA SCSI: Subsystem Error-Status follows:\n"); - printk(KERN_ERR " Command Type................: %x\n", last_scsi_type(ihost_index)[ldn]); - printk(KERN_ERR " Attention Register..........: %x\n", inb(IM_ATTN_REG(ihost_index))); - printk(KERN_ERR " Basic Control Register......: %x\n", inb(IM_CTR_REG(ihost_index))); + printk(KERN_ERR " Command Type................: %x\n", last_scsi_type(shpnt)[ldn]); + printk(KERN_ERR " Attention Register..........: %x\n", inb(IM_ATTN_REG(shpnt))); + printk(KERN_ERR " Basic Control Register......: %x\n", inb(IM_CTR_REG(shpnt))); printk(KERN_ERR " Interrupt Status Register...: %x\n", intr_reg); - printk(KERN_ERR " Basic Status Register.......: %x\n", inb(IM_STAT_REG(ihost_index))); - if ((last_scsi_type(ihost_index)[ldn] == IM_SCB) || (last_scsi_type(ihost_index)[ldn] == IM_LONG_SCB)) { - printk(KERN_ERR " SCB-Command.................: %x\n", ld(ihost_index)[ldn].scb.command); - printk(KERN_ERR " SCB-Enable..................: %x\n", ld(ihost_index)[ldn].scb.enable); - printk(KERN_ERR " SCB-logical block address...: %lx\n", ld(ihost_index)[ldn].scb.u1.log_blk_adr); - printk(KERN_ERR " SCB-system buffer address...: %lx\n", ld(ihost_index)[ldn].scb.sys_buf_adr); - printk(KERN_ERR " SCB-system buffer length....: %lx\n", ld(ihost_index)[ldn].scb.sys_buf_length); - printk(KERN_ERR " SCB-tsb address.............: %lx\n", ld(ihost_index)[ldn].scb.tsb_adr); - printk(KERN_ERR " SCB-Chain address...........: %lx\n", ld(ihost_index)[ldn].scb.scb_chain_adr); - printk(KERN_ERR " SCB-block count.............: %x\n", ld(ihost_index)[ldn].scb.u2.blk.count); - printk(KERN_ERR " SCB-block length............: %x\n", ld(ihost_index)[ldn].scb.u2.blk.length); + printk(KERN_ERR " Basic Status Register.......: %x\n", inb(IM_STAT_REG(shpnt))); + if ((last_scsi_type(shpnt)[ldn] == IM_SCB) || (last_scsi_type(shpnt)[ldn] == IM_LONG_SCB)) { + printk(KERN_ERR " SCB-Command.................: %x\n", ld(shpnt)[ldn].scb.command); + printk(KERN_ERR " SCB-Enable..................: %x\n", ld(shpnt)[ldn].scb.enable); + printk(KERN_ERR " SCB-logical block address...: %lx\n", ld(shpnt)[ldn].scb.u1.log_blk_adr); + printk(KERN_ERR " SCB-system buffer address...: %lx\n", ld(shpnt)[ldn].scb.sys_buf_adr); + printk(KERN_ERR " SCB-system buffer length....: %lx\n", ld(shpnt)[ldn].scb.sys_buf_length); + printk(KERN_ERR " SCB-tsb address.............: %lx\n", ld(shpnt)[ldn].scb.tsb_adr); + printk(KERN_ERR " SCB-Chain address...........: %lx\n", ld(shpnt)[ldn].scb.scb_chain_adr); + printk(KERN_ERR " SCB-block count.............: %x\n", ld(shpnt)[ldn].scb.u2.blk.count); + printk(KERN_ERR " SCB-block length............: %x\n", ld(shpnt)[ldn].scb.u2.blk.length); } printk(KERN_ERR " Send this report to the maintainer.\n"); panic("IBM MCA SCSI: Fatal error message from the subsystem (0x%X,0x%X)!\n", lastSCSI, cmd_result); @@ -600,72 +606,73 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id) } } /* if no panic appeared, increase the interrupt-counter */ - IBM_DS(ihost_index).total_interrupts++; + IBM_DS(shpnt).total_interrupts++; /*only for local checking phase */ - if (local_checking_phase_flag(ihost_index)) { - stat_result(ihost_index) = cmd_result; - got_interrupt(ihost_index) = 1; - reset_status(ihost_index) = IM_RESET_FINISHED_OK; - last_scsi_command(ihost_index)[ldn] = NO_SCSI; - spin_unlock(dev->host_lock); + if (local_checking_phase_flag(shpnt)) { + stat_result(shpnt) = cmd_result; + got_interrupt(shpnt) = 1; + reset_status(shpnt) = IM_RESET_FINISHED_OK; + last_scsi_command(shpnt)[ldn] = NO_SCSI; + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_HANDLED; } /* handling of commands coming from upper level of scsi driver */ - if (last_scsi_type(ihost_index)[ldn] == IM_IMM_CMD) { + if (last_scsi_type(shpnt)[ldn] == IM_IMM_CMD) { /* verify ldn, and may handle rare reset immediate command */ - if ((reset_status(ihost_index) == IM_RESET_IN_PROGRESS) && (last_scsi_command(ihost_index)[ldn] == IM_RESET_IMM_CMD)) { + if ((reset_status(shpnt) == IM_RESET_IN_PROGRESS) && (last_scsi_command(shpnt)[ldn] == IM_RESET_IMM_CMD)) { if (cmd_result == IM_CMD_COMPLETED_WITH_FAILURE) { disk_rw_in_progress = 0; PS2_DISK_LED_OFF(); - reset_status(ihost_index) = IM_RESET_FINISHED_FAIL; + reset_status(shpnt) = IM_RESET_FINISHED_FAIL; } else { /*reset disk led counter, turn off disk led */ disk_rw_in_progress = 0; PS2_DISK_LED_OFF(); - reset_status(ihost_index) = IM_RESET_FINISHED_OK; + reset_status(shpnt) = IM_RESET_FINISHED_OK; } - stat_result(ihost_index) = cmd_result; - last_scsi_command(ihost_index)[ldn] = NO_SCSI; - last_scsi_type(ihost_index)[ldn] = 0; - spin_unlock(dev->host_lock); + stat_result(shpnt) = cmd_result; + last_scsi_command(shpnt)[ldn] = NO_SCSI; + last_scsi_type(shpnt)[ldn] = 0; + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_HANDLED; - } else if (last_scsi_command(ihost_index)[ldn] == IM_ABORT_IMM_CMD) { + } else if (last_scsi_command(shpnt)[ldn] == IM_ABORT_IMM_CMD) { /* react on SCSI abort command */ #ifdef IM_DEBUG_PROBE printk("IBM MCA SCSI: Interrupt from SCSI-abort.\n"); #endif disk_rw_in_progress = 0; PS2_DISK_LED_OFF(); - cmd = ld(ihost_index)[ldn].cmd; - ld(ihost_index)[ldn].cmd = NULL; + cmd = ld(shpnt)[ldn].cmd; + ld(shpnt)[ldn].cmd = NULL; if (cmd_result == IM_CMD_COMPLETED_WITH_FAILURE) cmd->result = DID_NO_CONNECT << 16; else cmd->result = DID_ABORT << 16; - stat_result(ihost_index) = cmd_result; - last_scsi_command(ihost_index)[ldn] = NO_SCSI; - last_scsi_type(ihost_index)[ldn] = 0; + stat_result(shpnt) = cmd_result; + last_scsi_command(shpnt)[ldn] = NO_SCSI; + last_scsi_type(shpnt)[ldn] = 0; if (cmd->scsi_done) (cmd->scsi_done) (cmd); /* should be the internal_done */ - spin_unlock(dev->host_lock); + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_HANDLED; } else { disk_rw_in_progress = 0; PS2_DISK_LED_OFF(); - reset_status(ihost_index) = IM_RESET_FINISHED_OK; - stat_result(ihost_index) = cmd_result; - last_scsi_command(ihost_index)[ldn] = NO_SCSI; - spin_unlock(dev->host_lock); + reset_status(shpnt) = IM_RESET_FINISHED_OK; + stat_result(shpnt) = cmd_result; + last_scsi_command(shpnt)[ldn] = NO_SCSI; + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_HANDLED; } } - last_scsi_command(ihost_index)[ldn] = NO_SCSI; - last_scsi_type(ihost_index)[ldn] = 0; - cmd = ld(ihost_index)[ldn].cmd; - ld(ihost_index)[ldn].cmd = NULL; + last_scsi_command(shpnt)[ldn] = NO_SCSI; + last_scsi_type(shpnt)[ldn] = 0; + cmd = ld(shpnt)[ldn].cmd; + ld(shpnt)[ldn].cmd = NULL; #ifdef IM_DEBUG_TIMEOUT if (cmd) { if ((cmd->target == TIMEOUT_PUN) && (cmd->device->lun == TIMEOUT_LUN)) { + spin_unlock_irqsave(shpnt->host_lock, flags); printk("IBM MCA SCSI: Ignoring interrupt from pun=%x, lun=%x.\n", cmd->target, cmd->device->lun); return IRQ_HANDLED; } @@ -674,15 +681,15 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id) /*if no command structure, just return, else clear cmd */ if (!cmd) { - spin_unlock(dev->host_lock); + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_HANDLED; } #ifdef IM_DEBUG_INT - printk("cmd=%02x ireg=%02x ds=%02x cs=%02x de=%02x ce=%02x\n", cmd->cmnd[0], intr_reg, ld(ihost_index)[ldn].tsb.dev_status, ld(ihost_index)[ldn].tsb.cmd_status, ld(ihost_index)[ldn].tsb.dev_error, ld(ihost_index)[ldn].tsb.cmd_error); + printk("cmd=%02x ireg=%02x ds=%02x cs=%02x de=%02x ce=%02x\n", cmd->cmnd[0], intr_reg, ld(shpnt)[ldn].tsb.dev_status, ld(shpnt)[ldn].tsb.cmd_status, ld(shpnt)[ldn].tsb.dev_error, ld(shpnt)[ldn].tsb.cmd_error); #endif /*if this is end of media read/write, may turn off PS/2 disk led */ - if ((ld(ihost_index)[ldn].device_type != TYPE_NO_LUN) && (ld(ihost_index)[ldn].device_type != TYPE_NO_DEVICE)) { + if ((ld(shpnt)[ldn].device_type != TYPE_NO_LUN) && (ld(shpnt)[ldn].device_type != TYPE_NO_DEVICE)) { /* only access this, if there was a valid device addressed */ if (--disk_rw_in_progress == 0) PS2_DISK_LED_OFF(); @@ -693,8 +700,8 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id) * adapters do not support CMD_TERMINATED, TASK_SET_FULL and * ACA_ACTIVE as returning statusbyte information. (ML) */ if (cmd_result == IM_CMD_COMPLETED_WITH_FAILURE) { - cmd->result = (unsigned char) (ld(ihost_index)[ldn].tsb.dev_status & 0x1e); - IBM_DS(ihost_index).total_errors++; + cmd->result = (unsigned char) (ld(shpnt)[ldn].tsb.dev_status & 0x1e); + IBM_DS(shpnt).total_errors++; } else cmd->result = 0; /* write device status into cmd->result, and call done function */ @@ -705,24 +712,25 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id) cmd->result |= DID_OK << 16; if (cmd->scsi_done) (cmd->scsi_done) (cmd); - spin_unlock(dev->host_lock); + spin_unlock_irqrestore(shpnt->host_lock, flags); return IRQ_HANDLED; } -static void issue_cmd(int host_index, unsigned long cmd_reg, unsigned char attn_reg) +static void issue_cmd(struct Scsi_Host *shpnt, unsigned long cmd_reg, + unsigned char attn_reg) { unsigned long flags; /* must wait for attention reg not busy */ while (1) { - spin_lock_irqsave(hosts[host_index]->host_lock, flags); - if (!(inb(IM_STAT_REG(host_index)) & IM_BUSY)) + spin_lock_irqsave(shpnt->host_lock, flags); + if (!(inb(IM_STAT_REG(shpnt)) & IM_BUSY)) break; - spin_unlock_irqrestore(hosts[host_index]->host_lock, flags); + spin_unlock_irqrestore(shpnt->host_lock, flags); } /* write registers and enable system interrupts */ - outl(cmd_reg, IM_CMD_REG(host_index)); - outb(attn_reg, IM_ATTN_REG(host_index)); - spin_unlock_irqrestore(hosts[host_index]->host_lock, flags); + outl(cmd_reg, IM_CMD_REG(shpnt)); + outb(attn_reg, IM_ATTN_REG(shpnt)); + spin_unlock_irqrestore(shpnt->host_lock, flags); } static void internal_done(Scsi_Cmnd * cmd) @@ -732,34 +740,34 @@ static void internal_done(Scsi_Cmnd * cmd) } /* SCSI-SCB-command for device_inquiry */ -static int device_inquiry(int host_index, int ldn) +static int device_inquiry(struct Scsi_Host *shpnt, int ldn) { int retr; struct im_scb *scb; struct im_tsb *tsb; unsigned char *buf; - scb = &(ld(host_index)[ldn].scb); - tsb = &(ld(host_index)[ldn].tsb); - buf = (unsigned char *) (&(ld(host_index)[ldn].buf)); - ld(host_index)[ldn].tsb.dev_status = 0; /* prepare statusblock */ + scb = &(ld(shpnt)[ldn].scb); + tsb = &(ld(shpnt)[ldn].tsb); + buf = (unsigned char *) (&(ld(shpnt)[ldn].buf)); + ld(shpnt)[ldn].tsb.dev_status = 0; /* prepare statusblock */ for (retr = 0; retr < 3; retr++) { /* fill scb with inquiry command */ scb->command = IM_DEVICE_INQUIRY_CMD | IM_NO_DISCONNECT; scb->enable = IM_REPORT_TSB_ONLY_ON_ERROR | IM_READ_CONTROL | IM_SUPRESS_EXCEPTION_SHORT | IM_RETRY_ENABLE | IM_BYPASS_BUFFER; - last_scsi_command(host_index)[ldn] = IM_DEVICE_INQUIRY_CMD; - last_scsi_type(host_index)[ldn] = IM_SCB; + last_scsi_command(shpnt)[ldn] = IM_DEVICE_INQUIRY_CMD; + last_scsi_type(shpnt)[ldn] = IM_SCB; scb->sys_buf_adr = isa_virt_to_bus(buf); scb->sys_buf_length = 255; /* maximum bufferlength gives max info */ scb->tsb_adr = isa_virt_to_bus(tsb); /* issue scb to passed ldn, and busy wait for interrupt */ - got_interrupt(host_index) = 0; - issue_cmd(host_index, isa_virt_to_bus(scb), IM_SCB | ldn); - while (!got_interrupt(host_index)) + got_interrupt(shpnt) = 0; + issue_cmd(shpnt, isa_virt_to_bus(scb), IM_SCB | ldn); + while (!got_interrupt(shpnt)) barrier(); /*if command successful, break */ - if ((stat_result(host_index) == IM_SCB_CMD_COMPLETED) || (stat_result(host_index) == IM_SCB_CMD_COMPLETED_WITH_RETRIES)) + if ((stat_result(shpnt) == IM_SCB_CMD_COMPLETED) || (stat_result(shpnt) == IM_SCB_CMD_COMPLETED_WITH_RETRIES)) return 1; } /*if all three retries failed, return "no device at this ldn" */ @@ -769,34 +777,34 @@ static int device_inquiry(int host_index, int ldn) return 1; } -static int read_capacity(int host_index, int ldn) +static int read_capacity(struct Scsi_Host *shpnt, int ldn) { int retr; struct im_scb *scb; struct im_tsb *tsb; unsigned char *buf; - scb = &(ld(host_index)[ldn].scb); - tsb = &(ld(host_index)[ldn].tsb); - buf = (unsigned char *) (&(ld(host_index)[ldn].buf)); - ld(host_index)[ldn].tsb.dev_status = 0; + scb = &(ld(shpnt)[ldn].scb); + tsb = &(ld(shpnt)[ldn].tsb); + buf = (unsigned char *) (&(ld(shpnt)[ldn].buf)); + ld(shpnt)[ldn].tsb.dev_status = 0; for (retr = 0; retr < 3; retr++) { /*fill scb with read capacity command */ scb->command = IM_READ_CAPACITY_CMD; scb->enable = IM_REPORT_TSB_ONLY_ON_ERROR | IM_READ_CONTROL | IM_RETRY_ENABLE | IM_BYPASS_BUFFER; - last_scsi_command(host_index)[ldn] = IM_READ_CAPACITY_CMD; - last_scsi_type(host_index)[ldn] = IM_SCB; + last_scsi_command(shpnt)[ldn] = IM_READ_CAPACITY_CMD; + last_scsi_type(shpnt)[ldn] = IM_SCB; scb->sys_buf_adr = isa_virt_to_bus(buf); scb->sys_buf_length = 8; scb->tsb_adr = isa_virt_to_bus(tsb); /*issue scb to passed ldn, and busy wait for interrupt */ - got_interrupt(host_index) = 0; - issue_cmd(host_index, isa_virt_to_bus(scb), IM_SCB | ldn); - while (!got_interrupt(host_index)) + got_interrupt(shpnt) = 0; + issue_cmd(shpnt, isa_virt_to_bus(scb), IM_SCB | ldn); + while (!got_interrupt(shpnt)) barrier(); /*if got capacity, get block length and return one device found */ - if ((stat_result(host_index) == IM_SCB_CMD_COMPLETED) || (stat_result(host_index) == IM_SCB_CMD_COMPLETED_WITH_RETRIES)) + if ((stat_result(shpnt) == IM_SCB_CMD_COMPLETED) || (stat_result(shpnt) == IM_SCB_CMD_COMPLETED_WITH_RETRIES)) return 1; } /*if all three retries failed, return "no device at this ldn" */ @@ -806,39 +814,39 @@ static int read_capacity(int host_index, int ldn) return 1; } -static int get_pos_info(int host_index) +static int get_pos_info(struct Scsi_Host *shpnt) { int retr; struct im_scb *scb; struct im_tsb *tsb; unsigned char *buf; - scb = &(ld(host_index)[MAX_LOG_DEV].scb); - tsb = &(ld(host_index)[MAX_LOG_DEV].tsb); - buf = (unsigned char *) (&(ld(host_index)[MAX_LOG_DEV].buf)); - ld(host_index)[MAX_LOG_DEV].tsb.dev_status = 0; + scb = &(ld(shpnt)[MAX_LOG_DEV].scb); + tsb = &(ld(shpnt)[MAX_LOG_DEV].tsb); + buf = (unsigned char *) (&(ld(shpnt)[MAX_LOG_DEV].buf)); + ld(shpnt)[MAX_LOG_DEV].tsb.dev_status = 0; for (retr = 0; retr < 3; retr++) { /*fill scb with get_pos_info command */ scb->command = IM_GET_POS_INFO_CMD; scb->enable = IM_READ_CONTROL | IM_REPORT_TSB_ONLY_ON_ERROR | IM_RETRY_ENABLE | IM_BYPASS_BUFFER; - last_scsi_command(host_index)[MAX_LOG_DEV] = IM_GET_POS_INFO_CMD; - last_scsi_type(host_index)[MAX_LOG_DEV] = IM_SCB; + last_scsi_command(shpnt)[MAX_LOG_DEV] = IM_GET_POS_INFO_CMD; + last_scsi_type(shpnt)[MAX_LOG_DEV] = IM_SCB; scb->sys_buf_adr = isa_virt_to_bus(buf); - if (special(host_index) == IBM_SCSI2_FW) + if (special(shpnt) == IBM_SCSI2_FW) scb->sys_buf_length = 256; /* get all info from F/W adapter */ else scb->sys_buf_length = 18; /* get exactly 18 bytes for other SCSI */ scb->tsb_adr = isa_virt_to_bus(tsb); /*issue scb to ldn=15, and busy wait for interrupt */ - got_interrupt(host_index) = 0; - issue_cmd(host_index, isa_virt_to_bus(scb), IM_SCB | MAX_LOG_DEV); + got_interrupt(shpnt) = 0; + issue_cmd(shpnt, isa_virt_to_bus(scb), IM_SCB | MAX_LOG_DEV); /* FIXME: timeout */ - while (!got_interrupt(host_index)) + while (!got_interrupt(shpnt)) barrier(); /*if got POS-stuff, get block length and return one device found */ - if ((stat_result(host_index) == IM_SCB_CMD_COMPLETED) || (stat_result(host_index) == IM_SCB_CMD_COMPLETED_WITH_RETRIES)) + if ((stat_result(shpnt) == IM_SCB_CMD_COMPLETED) || (stat_result(shpnt) == IM_SCB_CMD_COMPLETED_WITH_RETRIES)) return 1; } /* if all three retries failed, return "no device at this ldn" */ @@ -851,14 +859,16 @@ static int get_pos_info(int host_index) /* SCSI-immediate-command for assign. This functions maps/unmaps specific ldn-numbers on SCSI (PUN,LUN). It is needed for presetting of the subsystem and for dynamical remapping od ldns. */ -static int immediate_assign(int host_index, unsigned int pun, unsigned int lun, unsigned int ldn, unsigned int operation) +static int immediate_assign(struct Scsi_Host *shpnt, unsigned int pun, + unsigned int lun, unsigned int ldn, + unsigned int operation) { int retr; unsigned long imm_cmd; for (retr = 0; retr < 3; retr++) { /* select mutation level of the SCSI-adapter */ - switch (special(host_index)) { + switch (special(shpnt)) { case IBM_SCSI2_FW: imm_cmd = (unsigned long) (IM_ASSIGN_IMM_CMD); imm_cmd |= (unsigned long) ((lun & 7) << 24); @@ -867,7 +877,7 @@ static int immediate_assign(int host_index, unsigned int pun, unsigned int lun, imm_cmd |= (unsigned long) ((ldn & 15) << 16); break; default: - imm_cmd = inl(IM_CMD_REG(host_index)); + imm_cmd = inl(IM_CMD_REG(shpnt)); imm_cmd &= (unsigned long) (0xF8000000); /* keep reserved bits */ imm_cmd |= (unsigned long) (IM_ASSIGN_IMM_CMD); imm_cmd |= (unsigned long) ((lun & 7) << 24); @@ -876,15 +886,15 @@ static int immediate_assign(int host_index, unsigned int pun, unsigned int lun, imm_cmd |= (unsigned long) ((ldn & 15) << 16); break; } - last_scsi_command(host_index)[MAX_LOG_DEV] = IM_ASSIGN_IMM_CMD; - last_scsi_type(host_index)[MAX_LOG_DEV] = IM_IMM_CMD; - got_interrupt(host_index) = 0; - issue_cmd(host_index, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV); - while (!got_interrupt(host_index)) + last_scsi_command(shpnt)[MAX_LOG_DEV] = IM_ASSIGN_IMM_CMD; + last_scsi_type(shpnt)[MAX_LOG_DEV] = IM_IMM_CMD; + got_interrupt(shpnt) = 0; + issue_cmd(shpnt, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV); + while (!got_interrupt(shpnt)) barrier(); /*if command successful, break */ - if (stat_result(host_index) == IM_IMMEDIATE_CMD_COMPLETED) + if (stat_result(shpnt) == IM_IMMEDIATE_CMD_COMPLETED) return 1; } if (retr >= 3) @@ -893,7 +903,7 @@ static int immediate_assign(int host_index, unsigned int pun, unsigned int lun, return 1; } -static int immediate_feature(int host_index, unsigned int speed, unsigned int timeout) +static int immediate_feature(struct Scsi_Host *shpnt, unsigned int speed, unsigned int timeout) { int retr; unsigned long imm_cmd; @@ -903,16 +913,16 @@ static int immediate_feature(int host_index, unsigned int speed, unsigned int ti imm_cmd = IM_FEATURE_CTR_IMM_CMD; imm_cmd |= (unsigned long) ((speed & 0x7) << 29); imm_cmd |= (unsigned long) ((timeout & 0x1fff) << 16); - last_scsi_command(host_index)[MAX_LOG_DEV] = IM_FEATURE_CTR_IMM_CMD; - last_scsi_type(host_index)[MAX_LOG_DEV] = IM_IMM_CMD; - got_interrupt(host_index) = 0; + last_scsi_command(shpnt)[MAX_LOG_DEV] = IM_FEATURE_CTR_IMM_CMD; + last_scsi_type(shpnt)[MAX_LOG_DEV] = IM_IMM_CMD; + got_interrupt(shpnt) = 0; /* we need to run into command errors in order to probe for the * right speed! */ global_command_error_excuse = 1; - issue_cmd(host_index, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV); + issue_cmd(shpnt, (unsigned long) (imm_cmd), IM_IMM_CMD | MAX_LOG_DEV); /* FIXME: timeout */ - while (!got_interrupt(host_index)) + while (!got_interrupt(shpnt)) barrier(); if (global_command_error_excuse == CMD_FAIL) { global_command_error_excuse = 0; @@ -920,7 +930,7 @@ static int immediate_feature(int host_index, unsigned int speed, unsigned int ti } else global_command_error_excuse = 0; /*if command successful, break */ - if (stat_result(host_index) == IM_IMMEDIATE_CMD_COMPLETED) + if (stat_result(shpnt) == IM_IMMEDIATE_CMD_COMPLETED) return 1; } if (retr >= 3) @@ -930,35 +940,35 @@ static int immediate_feature(int host_index, unsigned int speed, unsigned int ti } #ifdef CONFIG_IBMMCA_SCSI_DEV_RESET -static int immediate_reset(int host_index, unsigned int ldn) +static int immediate_reset(struct Scsi_Host *shpnt, unsigned int ldn) { int retries; int ticks; unsigned long imm_command; for (retries = 0; retries < 3; retries++) { - imm_command = inl(IM_CMD_REG(host_index)); + imm_command = inl(IM_CMD_REG(shpnt)); imm_command &= (unsigned long) (0xFFFF0000); /* keep reserved bits */ imm_command |= (unsigned long) (IM_RESET_IMM_CMD); - last_scsi_command(host_index)[ldn] = IM_RESET_IMM_CMD; - last_scsi_type(host_index)[ldn] = IM_IMM_CMD; - got_interrupt(host_index) = 0; - reset_status(host_index) = IM_RESET_IN_PROGRESS; - issue_cmd(host_index, (unsigned long) (imm_command), IM_IMM_CMD | ldn); + last_scsi_command(shpnt)[ldn] = IM_RESET_IMM_CMD; + last_scsi_type(shpnt)[ldn] = IM_IMM_CMD; + got_interrupt(shpnt) = 0; + reset_status(shpnt) = IM_RESET_IN_PROGRESS; + issue_cmd(shpnt, (unsigned long) (imm_command), IM_IMM_CMD | ldn); ticks = IM_RESET_DELAY * HZ; - while (reset_status(host_index) == IM_RESET_IN_PROGRESS && --ticks) { + while (reset_status(shpnt) == IM_RESET_IN_PROGRESS && --ticks) { udelay((1 + 999 / HZ) * 1000); barrier(); } /* if reset did not complete, just complain */ if (!ticks) { printk(KERN_ERR "IBM MCA SCSI: reset did not complete within %d seconds.\n", IM_RESET_DELAY); - reset_status(host_index) = IM_RESET_FINISHED_OK; + reset_status(shpnt) = IM_RESET_FINISHED_OK; /* did not work, finish */ return 1; } /*if command successful, break */ - if (stat_result(host_index) == IM_IMMEDIATE_CMD_COMPLETED) + if (stat_result(shpnt) == IM_IMMEDIATE_CMD_COMPLETED) return 1; } if (retries >= 3) @@ -1060,35 +1070,35 @@ static int probe_display(int what) return 0; } -static int probe_bus_mode(int host_index) +static int probe_bus_mode(struct Scsi_Host *shpnt) { struct im_pos_info *info; int num_bus = 0; int ldn; - info = (struct im_pos_info *) (&(ld(host_index)[MAX_LOG_DEV].buf)); - if (get_pos_info(host_index)) { + info = (struct im_pos_info *) (&(ld(shpnt)[MAX_LOG_DEV].buf)); + if (get_pos_info(shpnt)) { if (info->connector_size & 0xf000) - subsystem_connector_size(host_index) = 16; + subsystem_connector_size(shpnt) = 16; else - subsystem_connector_size(host_index) = 32; + subsystem_connector_size(shpnt) = 32; num_bus |= (info->pos_4b & 8) >> 3; for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) { - if ((special(host_index) == IBM_SCSI_WCACHE) || (special(host_index) == IBM_7568_WCACHE)) { + if ((special(shpnt) == IBM_SCSI_WCACHE) || (special(shpnt) == IBM_7568_WCACHE)) { if (!((info->cache_stat >> ldn) & 1)) - ld(host_index)[ldn].cache_flag = 0; + ld(shpnt)[ldn].cache_flag = 0; } if (!((info->retry_stat >> ldn) & 1)) - ld(host_index)[ldn].retry_flag = 0; + ld(shpnt)[ldn].retry_flag = 0; } #ifdef IM_DEBUG_PROBE printk("IBM MCA SCSI: SCSI-Cache bits: "); for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) { - printk("%d", ld(host_index)[ldn].cache_flag); + printk("%d", ld(shpnt)[ldn].cache_flag); } printk("\nIBM MCA SCSI: SCSI-Retry bits: "); for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) { - printk("%d", ld(host_index)[ldn].retry_flag); + printk("%d", ld(shpnt)[ldn].retry_flag); } printk("\n"); #endif @@ -1097,7 +1107,7 @@ static int probe_bus_mode(int host_index) } /* probing scsi devices */ -static void check_devices(int host_index, int adaptertype) +static void check_devices(struct Scsi_Host *shpnt, int adaptertype) { int id, lun, ldn, ticks; int count_devices; /* local counter for connected device */ @@ -1108,24 +1118,24 @@ static void check_devices(int host_index, int adaptertype) /* assign default values to certain variables */ ticks = 0; count_devices = 0; - IBM_DS(host_index).dyn_flag = 0; /* normally no need for dynamical ldn management */ - IBM_DS(host_index).total_errors = 0; /* set errorcounter to 0 */ - next_ldn(host_index) = 7; /* next ldn to be assigned is 7, because 0-6 is 'hardwired' */ + IBM_DS(shpnt).dyn_flag = 0; /* normally no need for dynamical ldn management */ + IBM_DS(shpnt).total_errors = 0; /* set errorcounter to 0 */ + next_ldn(shpnt) = 7; /* next ldn to be assigned is 7, because 0-6 is 'hardwired' */ /* initialize the very important driver-informational arrays/structs */ - memset(ld(host_index), 0, sizeof(ld(host_index))); + memset(ld(shpnt), 0, sizeof(ld(shpnt))); for (ldn = 0; ldn <= MAX_LOG_DEV; ldn++) { - last_scsi_command(host_index)[ldn] = NO_SCSI; /* emptify last SCSI-command storage */ - last_scsi_type(host_index)[ldn] = 0; - ld(host_index)[ldn].cache_flag = 1; - ld(host_index)[ldn].retry_flag = 1; + last_scsi_command(shpnt)[ldn] = NO_SCSI; /* emptify last SCSI-command storage */ + last_scsi_type(shpnt)[ldn] = 0; + ld(shpnt)[ldn].cache_flag = 1; + ld(shpnt)[ldn].retry_flag = 1; } - memset(get_ldn(host_index), TYPE_NO_DEVICE, sizeof(get_ldn(host_index))); /* this is essential ! */ - memset(get_scsi(host_index), TYPE_NO_DEVICE, sizeof(get_scsi(host_index))); /* this is essential ! */ + memset(get_ldn(shpnt), TYPE_NO_DEVICE, sizeof(get_ldn(shpnt))); /* this is essential ! */ + memset(get_scsi(shpnt), TYPE_NO_DEVICE, sizeof(get_scsi(shpnt))); /* this is essential ! */ for (lun = 0; lun < 8; lun++) { /* mark the adapter at its pun on all luns */ - get_scsi(host_index)[subsystem_pun(host_index)][lun] = TYPE_IBM_SCSI_ADAPTER; - get_ldn(host_index)[subsystem_pun(host_index)][lun] = MAX_LOG_DEV; /* make sure, the subsystem + get_scsi(shpnt)[subsystem_pun(shpnt)][lun] = TYPE_IBM_SCSI_ADAPTER; + get_ldn(shpnt)[subsystem_pun(shpnt)][lun] = MAX_LOG_DEV; /* make sure, the subsystem ldn is active for all luns. */ } @@ -1134,9 +1144,9 @@ static void check_devices(int host_index, int adaptertype) /* monitor connected on model XX95. */ /* STEP 1: */ - adapter_speed(host_index) = global_adapter_speed; - speedrun = adapter_speed(host_index); - while (immediate_feature(host_index, speedrun, adapter_timeout) == 2) { + adapter_speed(shpnt) = global_adapter_speed; + speedrun = adapter_speed(shpnt); + while (immediate_feature(shpnt, speedrun, adapter_timeout) == 2) { probe_display(1); if (speedrun == 7) panic("IBM MCA SCSI: Cannot set Synchronous-Transfer-Rate!\n"); @@ -1144,30 +1154,30 @@ static void check_devices(int host_index, int adaptertype) if (speedrun > 7) speedrun = 7; } - adapter_speed(host_index) = speedrun; + adapter_speed(shpnt) = speedrun; /* Get detailed information about the current adapter, necessary for * device operations: */ - num_bus = probe_bus_mode(host_index); + num_bus = probe_bus_mode(shpnt); /* num_bus contains only valid data for the F/W adapter! */ if (adaptertype == IBM_SCSI2_FW) { /* F/W SCSI adapter: */ /* F/W adapter PUN-space extension evaluation: */ if (num_bus) { printk(KERN_INFO "IBM MCA SCSI: Separate bus mode (wide-addressing enabled)\n"); - subsystem_maxid(host_index) = 16; + subsystem_maxid(shpnt) = 16; } else { printk(KERN_INFO "IBM MCA SCSI: Combined bus mode (wide-addressing disabled)\n"); - subsystem_maxid(host_index) = 8; + subsystem_maxid(shpnt) = 8; } printk(KERN_INFO "IBM MCA SCSI: Sync.-Rate (F/W: 20, Int.: 10, Ext.: %s) MBytes/s\n", ibmrate(speedrun, adaptertype)); } else /* all other IBM SCSI adapters: */ printk(KERN_INFO "IBM MCA SCSI: Synchronous-SCSI-Transfer-Rate: %s MBytes/s\n", ibmrate(speedrun, adaptertype)); /* assign correct PUN device space */ - max_pun = subsystem_maxid(host_index); + max_pun = subsystem_maxid(shpnt); #ifdef IM_DEBUG_PROBE - printk("IBM MCA SCSI: Current SCSI-host index: %d\n", host_index); + printk("IBM MCA SCSI: Current SCSI-host index: %d\n", shpnt); printk("IBM MCA SCSI: Removing default logical SCSI-device mapping."); #else printk(KERN_INFO "IBM MCA SCSI: Dev. Order: %s, Mapping (takes <2min): ", (ibm_ansi_order) ? "ANSI" : "New"); @@ -1177,7 +1187,7 @@ static void check_devices(int host_index, int adaptertype) #ifdef IM_DEBUG_PROBE printk("."); #endif - immediate_assign(host_index, 0, 0, ldn, REMOVE_LDN); /* remove ldn (wherever) */ + immediate_assign(shpnt, 0, 0, ldn, REMOVE_LDN); /* remove ldn (wherever) */ } lun = 0; /* default lun is 0 */ #ifndef IM_DEBUG_PROBE @@ -1196,18 +1206,18 @@ static void check_devices(int host_index, int adaptertype) #ifdef IM_DEBUG_PROBE printk("."); #endif - if (id != subsystem_pun(host_index)) { + if (id != subsystem_pun(shpnt)) { /* if pun is not the adapter: */ /* set ldn=0 to pun,lun */ - immediate_assign(host_index, id, lun, PROBE_LDN, SET_LDN); - if (device_inquiry(host_index, PROBE_LDN)) { /* probe device */ - get_scsi(host_index)[id][lun] = (unsigned char) (ld(host_index)[PROBE_LDN].buf[0]); + immediate_assign(shpnt, id, lun, PROBE_LDN, SET_LDN); + if (device_inquiry(shpnt, PROBE_LDN)) { /* probe device */ + get_scsi(shpnt)[id][lun] = (unsigned char) (ld(shpnt)[PROBE_LDN].buf[0]); /* entry, even for NO_LUN */ - if (ld(host_index)[PROBE_LDN].buf[0] != TYPE_NO_LUN) + if (ld(shpnt)[PROBE_LDN].buf[0] != TYPE_NO_LUN) count_devices++; /* a existing device is found */ } /* remove ldn */ - immediate_assign(host_index, id, lun, PROBE_LDN, REMOVE_LDN); + immediate_assign(shpnt, id, lun, PROBE_LDN, REMOVE_LDN); } } #ifndef IM_DEBUG_PROBE @@ -1227,16 +1237,16 @@ static void check_devices(int host_index, int adaptertype) #ifdef IM_DEBUG_PROBE printk("."); #endif - if (id != subsystem_pun(host_index)) { - if (get_scsi(host_index)[id][lun] != TYPE_NO_LUN && get_scsi(host_index)[id][lun] != TYPE_NO_DEVICE) { + if (id != subsystem_pun(shpnt)) { + if (get_scsi(shpnt)[id][lun] != TYPE_NO_LUN && get_scsi(shpnt)[id][lun] != TYPE_NO_DEVICE) { /* Only map if accepted type. Always enter for lun == 0 to get no gaps into ldn-mapping for ldn<7. */ - immediate_assign(host_index, id, lun, ldn, SET_LDN); - get_ldn(host_index)[id][lun] = ldn; /* map ldn */ - if (device_exists(host_index, ldn, &ld(host_index)[ldn].block_length, &ld(host_index)[ldn].device_type)) { + immediate_assign(shpnt, id, lun, ldn, SET_LDN); + get_ldn(shpnt)[id][lun] = ldn; /* map ldn */ + if (device_exists(shpnt, ldn, &ld(shpnt)[ldn].block_length, &ld(shpnt)[ldn].device_type)) { #ifdef CONFIG_IBMMCA_SCSI_DEV_RESET printk("resetting device at ldn=%x ... ", ldn); - immediate_reset(host_index, ldn); + immediate_reset(shpnt, ldn); #endif ldn++; } else { @@ -1244,15 +1254,15 @@ static void check_devices(int host_index, int adaptertype) * handle it or because it has problems */ if (lun > 0) { /* remove mapping */ - get_ldn(host_index)[id][lun] = TYPE_NO_DEVICE; - immediate_assign(host_index, 0, 0, ldn, REMOVE_LDN); + get_ldn(shpnt)[id][lun] = TYPE_NO_DEVICE; + immediate_assign(shpnt, 0, 0, ldn, REMOVE_LDN); } else ldn++; } } else if (lun == 0) { /* map lun == 0, even if no device exists */ - immediate_assign(host_index, id, lun, ldn, SET_LDN); - get_ldn(host_index)[id][lun] = ldn; /* map ldn */ + immediate_assign(shpnt, id, lun, ldn, SET_LDN); + get_ldn(shpnt)[id][lun] = ldn; /* map ldn */ ldn++; } } @@ -1262,14 +1272,14 @@ static void check_devices(int host_index, int adaptertype) /* map remaining ldns to non-existing devices */ for (lun = 1; lun < 8 && ldn < MAX_LOG_DEV; lun++) for (id = 0; id < max_pun && ldn < MAX_LOG_DEV; id++) { - if (get_scsi(host_index)[id][lun] == TYPE_NO_LUN || get_scsi(host_index)[id][lun] == TYPE_NO_DEVICE) { + if (get_scsi(shpnt)[id][lun] == TYPE_NO_LUN || get_scsi(shpnt)[id][lun] == TYPE_NO_DEVICE) { probe_display(1); /* Map remaining ldns only to NON-existing pun,lun combinations to make sure an inquiry will fail. For MULTI_LUN, it is needed to avoid adapter autonome SCSI-remapping. */ - immediate_assign(host_index, id, lun, ldn, SET_LDN); - get_ldn(host_index)[id][lun] = ldn; + immediate_assign(shpnt, id, lun, ldn, SET_LDN); + get_ldn(shpnt)[id][lun] = ldn; ldn++; } } @@ -1292,51 +1302,51 @@ static void check_devices(int host_index, int adaptertype) for (id = 0; id < max_pun; id++) { printk("%2d ", id); for (lun = 0; lun < 8; lun++) - printk("%2s ", ti_p(get_scsi(host_index)[id][lun])); + printk("%2s ", ti_p(get_scsi(shpnt)[id][lun])); printk(" %2d ", id); for (lun = 0; lun < 8; lun++) - printk("%2s ", ti_l(get_ldn(host_index)[id][lun])); + printk("%2s ", ti_l(get_ldn(shpnt)[id][lun])); printk("\n"); } #endif /* assign total number of found SCSI-devices to the statistics struct */ - IBM_DS(host_index).total_scsi_devices = count_devices; + IBM_DS(shpnt).total_scsi_devices = count_devices; /* decide for output in /proc-filesystem, if the configuration of SCSI-devices makes dynamical reassignment of devices necessary */ if (count_devices >= MAX_LOG_DEV) - IBM_DS(host_index).dyn_flag = 1; /* dynamical assignment is necessary */ + IBM_DS(shpnt).dyn_flag = 1; /* dynamical assignment is necessary */ else - IBM_DS(host_index).dyn_flag = 0; /* dynamical assignment is not necessary */ + IBM_DS(shpnt).dyn_flag = 0; /* dynamical assignment is not necessary */ /* If no SCSI-devices are assigned, return 1 in order to cause message. */ if (ldn == 0) printk("IBM MCA SCSI: Warning: No SCSI-devices found/assigned!\n"); /* reset the counters for statistics on the current adapter */ - IBM_DS(host_index).scbs = 0; - IBM_DS(host_index).long_scbs = 0; - IBM_DS(host_index).total_accesses = 0; - IBM_DS(host_index).total_interrupts = 0; - IBM_DS(host_index).dynamical_assignments = 0; - memset(IBM_DS(host_index).ldn_access, 0x0, sizeof(IBM_DS(host_index).ldn_access)); - memset(IBM_DS(host_index).ldn_read_access, 0x0, sizeof(IBM_DS(host_index).ldn_read_access)); - memset(IBM_DS(host_index).ldn_write_access, 0x0, sizeof(IBM_DS(host_index).ldn_write_access)); - memset(IBM_DS(host_index).ldn_inquiry_access, 0x0, sizeof(IBM_DS(host_index).ldn_inquiry_access)); - memset(IBM_DS(host_index).ldn_modeselect_access, 0x0, sizeof(IBM_DS(host_index).ldn_modeselect_access)); - memset(IBM_DS(host_index).ldn_assignments, 0x0, sizeof(IBM_DS(host_index).ldn_assignments)); + IBM_DS(shpnt).scbs = 0; + IBM_DS(shpnt).long_scbs = 0; + IBM_DS(shpnt).total_accesses = 0; + IBM_DS(shpnt).total_interrupts = 0; + IBM_DS(shpnt).dynamical_assignments = 0; + memset(IBM_DS(shpnt).ldn_access, 0x0, sizeof(IBM_DS(shpnt).ldn_access)); + memset(IBM_DS(shpnt).ldn_read_access, 0x0, sizeof(IBM_DS(shpnt).ldn_read_access)); + memset(IBM_DS(shpnt).ldn_write_access, 0x0, sizeof(IBM_DS(shpnt).ldn_write_access)); + memset(IBM_DS(shpnt).ldn_inquiry_access, 0x0, sizeof(IBM_DS(shpnt).ldn_inquiry_access)); + memset(IBM_DS(shpnt).ldn_modeselect_access, 0x0, sizeof(IBM_DS(shpnt).ldn_modeselect_access)); + memset(IBM_DS(shpnt).ldn_assignments, 0x0, sizeof(IBM_DS(shpnt).ldn_assignments)); probe_display(0); return; } -static int device_exists(int host_index, int ldn, int *block_length, int *device_type) +static int device_exists(struct Scsi_Host *shpnt, int ldn, int *block_length, int *device_type) { unsigned char *buf; /* if no valid device found, return immediately with 0 */ - if (!(device_inquiry(host_index, ldn))) + if (!(device_inquiry(shpnt, ldn))) return 0; - buf = (unsigned char *) (&(ld(host_index)[ldn].buf)); + buf = (unsigned char *) (&(ld(shpnt)[ldn].buf)); if (*buf == TYPE_ROM) { *device_type = TYPE_ROM; *block_length = 2048; /* (standard blocksize for yellow-/red-book) */ @@ -1349,7 +1359,7 @@ static int device_exists(int host_index, int ldn, int *block_length, int *device } if (*buf == TYPE_DISK) { *device_type = TYPE_DISK; - if (read_capacity(host_index, ldn)) { + if (read_capacity(shpnt, ldn)) { *block_length = *(buf + 7) + (*(buf + 6) << 8) + (*(buf + 5) << 16) + (*(buf + 4) << 24); return 1; } else @@ -1357,7 +1367,7 @@ static int device_exists(int host_index, int ldn, int *block_length, int *device } if (*buf == TYPE_MOD) { *device_type = TYPE_MOD; - if (read_capacity(host_index, ldn)) { + if (read_capacity(shpnt, ldn)) { *block_length = *(buf + 7) + (*(buf + 6) << 8) + (*(buf + 5) << 16) + (*(buf + 4) << 24); return 1; } else @@ -1430,6 +1440,9 @@ static void internal_ibmmca_scsi_setup(char *str, int *ints) return; } +#if 0 + FIXME NEED TO MOVE TO SYSFS + static int ibmmca_getinfo(char *buf, int slot, void *dev_id) { struct Scsi_Host *shpnt; @@ -1480,58 +1493,34 @@ static int ibmmca_getinfo(char *buf, int slot, void *dev_id) return len; } +#endif -int ibmmca_detect(struct scsi_host_template * scsi_template) +static struct scsi_host_template ibmmca_driver_template = { + .proc_name = "ibmmca", + .proc_info = ibmmca_proc_info, + .name = "IBM SCSI-Subsystem", + .queuecommand = ibmmca_queuecommand, + .eh_abort_handler = ibmmca_abort, + .eh_host_reset_handler = ibmmca_host_reset, + .bios_param = ibmmca_biosparam, + .can_queue = 16, + .this_id = 7, + .sg_tablesize = 16, + .cmd_per_lun = 1, + .use_clustering = ENABLE_CLUSTERING, +}; + +static int ibmmca_probe(struct device *dev) { struct Scsi_Host *shpnt; - int port, id, i, j, k, slot; - int devices_on_irq_11 = 0; - int devices_on_irq_14 = 0; - int IRQ14_registered = 0; - int IRQ11_registered = 0; - - found = 0; /* make absolutely sure, that found is set to 0 */ + int port, id, i, j, k, irq, enabled, ret = -EINVAL; + struct mca_device *mca_dev = to_mca_device(dev); + const char *description = ibmmca_description[mca_dev->index]; /* First of all, print the version number of the driver. This is * important to allow better user bugreports in case of already * having problems with the MCA_bus probing. */ printk(KERN_INFO "IBM MCA SCSI: Version %s\n", IBMMCA_SCSI_DRIVER_VERSION); - /* if this is not MCA machine, return "nothing found" */ - if (!MCA_bus) { - printk(KERN_INFO "IBM MCA SCSI: No Microchannel-bus present --> Aborting.\n" " This machine does not have any IBM MCA-bus\n" " or the MCA-Kernel-support is not enabled!\n"); - return 0; - } - -#ifdef MODULE - /* If the driver is run as module, read from conf.modules or cmd-line */ - if (boot_options) - option_setup(boot_options); -#endif - - /* get interrupt request level */ - if (request_irq(IM_IRQ, interrupt_handler, IRQF_SHARED, "ibmmcascsi", hosts)) { - printk(KERN_ERR "IBM MCA SCSI: Unable to get shared IRQ %d.\n", IM_IRQ); - return 0; - } else - IRQ14_registered++; - - /* if ibmmcascsi setup option was passed to kernel, return "found" */ - for (i = 0; i < IM_MAX_HOSTS; i++) - if (io_port[i] > 0 && scsi_id[i] >= 0 && scsi_id[i] < 8) { - printk("IBM MCA SCSI: forced detected SCSI Adapter, io=0x%x, scsi id=%d.\n", io_port[i], scsi_id[i]); - if ((shpnt = ibmmca_register(scsi_template, io_port[i], scsi_id[i], FORCED_DETECTION, "forced detected SCSI Adapter"))) { - for (k = 2; k < 7; k++) - ((struct ibmmca_hostdata *) shpnt->hostdata)->_pos[k] = 0; - ((struct ibmmca_hostdata *) shpnt->hostdata)->_special = FORCED_DETECTION; - mca_set_adapter_name(MCA_INTEGSCSI, "forced detected SCSI Adapter"); - mca_set_adapter_procfn(MCA_INTEGSCSI, (MCA_ProcFn) ibmmca_getinfo, shpnt); - mca_mark_as_used(MCA_INTEGSCSI); - devices_on_irq_14++; - } - } - if (found) - return found; - /* The POS2-register of all PS/2 model SCSI-subsystems has the following * interpretation of bits: * Bit 7 - 4 : Chip Revision ID (Release) @@ -1558,7 +1547,14 @@ int ibmmca_detect(struct scsi_host_template * scsi_template) /* first look for the IBM SCSI integrated subsystem on the motherboard */ for (j = 0; j < 8; j++) /* read the pos-information */ - pos[j] = mca_read_stored_pos(MCA_INTEGSCSI, j); + pos[j] = mca_device_read_pos(mca_dev, j); + id = (pos[3] & 0xe0) >> 5; /* this is correct and represents the PUN */ + enabled = (pos[2] &0x01); + if (!enabled) { + printk(KERN_WARNING "IBM MCA SCSI: WARNING - Your SCSI-subsystem is disabled!\n"); + printk(KERN_WARNING " SCSI-operations may not work.\n"); + } + /* pos2 = pos3 = 0xff if there is no integrated SCSI-subsystem present, but * if we ignore the settings of all surrounding pos registers, it is not * completely sufficient to only check pos2 and pos3. */ @@ -1566,232 +1562,137 @@ int ibmmca_detect(struct scsi_host_template * scsi_template) * make sure, we see a real integrated onboard SCSI-interface and no * internal system information, which gets mapped to some pos registers * on models 95xx. */ - if ((!pos[0] && !pos[1] && pos[2] > 0 && pos[3] > 0 && !pos[4] && !pos[5] && !pos[6] && !pos[7]) || (pos[0] == 0xff && pos[1] == 0xff && pos[2] < 0xff && pos[3] < 0xff && pos[4] == 0xff && pos[5] == 0xff && pos[6] == 0xff && pos[7] == 0xff)) { - if ((pos[2] & 1) == 1) /* is the subsystem chip enabled ? */ - port = IM_IO_PORT; - else { /* if disabled, no IRQs will be generated, as the chip won't - * listen to the incoming commands and will do really nothing, - * except for listening to the pos-register settings. If this - * happens, I need to hugely think about it, as one has to - * write something to the MCA-Bus pos register in order to - * enable the chip. Normally, IBM-SCSI won't pass the POST, - * when the chip is disabled (see IBM tech. ref.). */ - port = IM_IO_PORT; /* anyway, set the portnumber and warn */ - printk("IBM MCA SCSI: WARNING - Your SCSI-subsystem is disabled!\n" " SCSI-operations may not work.\n"); + if (mca_dev->slot == MCA_INTEGSCSI && + ((!pos[0] && !pos[1] && pos[2] > 0 && + pos[3] > 0 && !pos[4] && !pos[5] && + !pos[6] && !pos[7]) || + (pos[0] == 0xff && pos[1] == 0xff && + pos[2] < 0xff && pos[3] < 0xff && + pos[4] == 0xff && pos[5] == 0xff && + pos[6] == 0xff && pos[7] == 0xff))) { + irq = IM_IRQ; + port = IM_IO_PORT; + } else { + irq = IM_IRQ; + port = IM_IO_PORT + ((pos[2] &0x0e) << 2); + if ((mca_dev->index == IBM_SCSI2_FW) && (pos[6] != 0)) { + printk(KERN_ERR "IBM MCA SCSI: ERROR - Wrong POS(6)-register setting!\n"); + printk(KERN_ERR " Impossible to determine adapter PUN!\n"); + printk(KERN_ERR " Guessing adapter PUN = 7.\n"); + id = 7; + } else { + id = (pos[3] & 0xe0) >> 5; /* get subsystem PUN */ + if (mca_dev->index == IBM_SCSI2_FW) { + id |= (pos[3] & 0x10) >> 1; /* get subsystem PUN high-bit + * for F/W adapters */ + } } - id = (pos[3] & 0xe0) >> 5; /* this is correct and represents the PUN */ - /* give detailed information on the subsystem. This helps me - * additionally during debugging and analyzing bug-reports. */ - printk(KERN_INFO "IBM MCA SCSI: IBM Integrated SCSI Controller ffound, io=0x%x, scsi id=%d,\n", port, id); - printk(KERN_INFO " chip rev.=%d, 8K NVRAM=%s, subsystem=%s\n", ((pos[2] & 0xf0) >> 4), (pos[2] & 2) ? "locked" : "accessible", (pos[2] & 1) ? "enabled." : "disabled."); - - /* register the found integrated SCSI-subsystem */ - if ((shpnt = ibmmca_register(scsi_template, port, id, INTEGRATED_SCSI, "IBM Integrated SCSI Controller"))) - { - for (k = 2; k < 7; k++) - ((struct ibmmca_hostdata *) shpnt->hostdata)->_pos[k] = pos[k]; - ((struct ibmmca_hostdata *) shpnt->hostdata)->_special = INTEGRATED_SCSI; - mca_set_adapter_name(MCA_INTEGSCSI, "IBM Integrated SCSI Controller"); - mca_set_adapter_procfn(MCA_INTEGSCSI, (MCA_ProcFn) ibmmca_getinfo, shpnt); - mca_mark_as_used(MCA_INTEGSCSI); - devices_on_irq_14++; + if ((mca_dev->index == IBM_SCSI2_FW) && + (pos[4] & 0x01) && (pos[6] == 0)) { + /* IRQ11 is used by SCSI-2 F/W Adapter/A */ + printk(KERN_DEBUG "IBM MCA SCSI: SCSI-2 F/W adapter needs IRQ 11.\n"); + irq = IM_IRQ_FW; } } - /* now look for other adapters in MCA slots, */ - /* determine the number of known IBM-SCSI-subsystem types */ - /* see the pos[2] dependence to get the adapter port-offset. */ - for (i = 0; i < ARRAY_SIZE(subsys_list); i++) { - /* scan each slot for a fitting adapter id */ - slot = 0; /* start at slot 0 */ - while ((slot = mca_find_adapter(subsys_list[i].mca_id, slot)) - != MCA_NOTFOUND) { /* scan through all slots */ - for (j = 0; j < 8; j++) /* read the pos-information */ - pos[j] = mca_read_stored_pos(slot, j); - if ((pos[2] & 1) == 1) - /* is the subsystem chip enabled ? */ - /* (explanations see above) */ - port = IM_IO_PORT + ((pos[2] & 0x0e) << 2); - else { - /* anyway, set the portnumber and warn */ - port = IM_IO_PORT + ((pos[2] & 0x0e) << 2); - printk(KERN_WARNING "IBM MCA SCSI: WARNING - Your SCSI-subsystem is disabled!\n"); - printk(KERN_WARNING " SCSI-operations may not work.\n"); - } - if ((i == IBM_SCSI2_FW) && (pos[6] != 0)) { - printk(KERN_ERR "IBM MCA SCSI: ERROR - Wrong POS(6)-register setting!\n"); - printk(KERN_ERR " Impossible to determine adapter PUN!\n"); - printk(KERN_ERR " Guessing adapter PUN = 7.\n"); - id = 7; - } else { - id = (pos[3] & 0xe0) >> 5; /* get subsystem PUN */ - if (i == IBM_SCSI2_FW) { - id |= (pos[3] & 0x10) >> 1; /* get subsystem PUN high-bit - * for F/W adapters */ - } - } - if ((i == IBM_SCSI2_FW) && (pos[4] & 0x01) && (pos[6] == 0)) { - /* IRQ11 is used by SCSI-2 F/W Adapter/A */ - printk(KERN_DEBUG "IBM MCA SCSI: SCSI-2 F/W adapter needs IRQ 11.\n"); - /* get interrupt request level */ - if (request_irq(IM_IRQ_FW, interrupt_handler, IRQF_SHARED, "ibmmcascsi", hosts)) { - printk(KERN_ERR "IBM MCA SCSI: Unable to get shared IRQ %d.\n", IM_IRQ_FW); - } else - IRQ11_registered++; - } - printk(KERN_INFO "IBM MCA SCSI: %s found in slot %d, io=0x%x, scsi id=%d,\n", subsys_list[i].description, slot + 1, port, id); - if ((pos[2] & 0xf0) == 0xf0) - printk(KERN_DEBUG" ROM Addr.=off,"); - else - printk(KERN_DEBUG " ROM Addr.=0x%x,", ((pos[2] & 0xf0) << 13) + 0xc0000); - printk(KERN_DEBUG " port-offset=0x%x, subsystem=%s\n", ((pos[2] & 0x0e) << 2), (pos[2] & 1) ? "enabled." : "disabled."); - - /* register the hostadapter */ - if ((shpnt = ibmmca_register(scsi_template, port, id, i, subsys_list[i].description))) { - for (k = 2; k < 8; k++) - ((struct ibmmca_hostdata *) shpnt->hostdata)->_pos[k] = pos[k]; - ((struct ibmmca_hostdata *) shpnt->hostdata)->_special = i; - mca_set_adapter_name(slot, subsys_list[i].description); - mca_set_adapter_procfn(slot, (MCA_ProcFn) ibmmca_getinfo, shpnt); - mca_mark_as_used(slot); - if ((i == IBM_SCSI2_FW) && (pos[4] & 0x01) && (pos[6] == 0)) - devices_on_irq_11++; - else - devices_on_irq_14++; - } - slot++; /* advance to next slot */ - } /* advance to next adapter id in the list of IBM-SCSI-subsystems */ - } - /* now check for SCSI-adapters, mapped to the integrated SCSI - * area. E.g. a W/Cache in MCA-slot 9(!). Do the check correct here, - * as this is a known effect on some models 95xx. */ - for (i = 0; i < ARRAY_SIZE(subsys_list); i++) { - /* scan each slot for a fitting adapter id */ - slot = mca_find_adapter(subsys_list[i].mca_id, MCA_INTEGSCSI); - if (slot != MCA_NOTFOUND) { /* scan through all slots */ - for (j = 0; j < 8; j++) /* read the pos-information */ - pos[j] = mca_read_stored_pos(slot, j); - if ((pos[2] & 1) == 1) { /* is the subsystem chip enabled ? */ - /* (explanations see above) */ - port = IM_IO_PORT + ((pos[2] & 0x0e) << 2); - } else { /* anyway, set the portnumber and warn */ - port = IM_IO_PORT + ((pos[2] & 0x0e) << 2); - printk(KERN_WARNING "IBM MCA SCSI: WARNING - Your SCSI-subsystem is disabled!\n"); - printk(KERN_WARNING " SCSI-operations may not work.\n"); - } - if ((i == IBM_SCSI2_FW) && (pos[6] != 0)) { - printk(KERN_ERR "IBM MCA SCSI: ERROR - Wrong POS(6)-register setting!\n"); - printk(KERN_ERR " Impossible to determine adapter PUN!\n"); - printk(KERN_ERR " Guessing adapter PUN = 7.\n"); - id = 7; - } else { - id = (pos[3] & 0xe0) >> 5; /* get subsystem PUN */ - if (i == IBM_SCSI2_FW) - id |= (pos[3] & 0x10) >> 1; /* get subsystem PUN high-bit - * for F/W adapters */ - } - if ((i == IBM_SCSI2_FW) && (pos[4] & 0x01) && (pos[6] == 0)) { - /* IRQ11 is used by SCSI-2 F/W Adapter/A */ - printk(KERN_DEBUG "IBM MCA SCSI: SCSI-2 F/W adapter needs IRQ 11.\n"); - /* get interrupt request level */ - if (request_irq(IM_IRQ_FW, interrupt_handler, IRQF_SHARED, "ibmmcascsi", hosts)) - printk(KERN_ERR "IBM MCA SCSI: Unable to get shared IRQ %d.\n", IM_IRQ_FW); - else - IRQ11_registered++; - } - printk(KERN_INFO "IBM MCA SCSI: %s found in slot %d, io=0x%x, scsi id=%d,\n", subsys_list[i].description, slot + 1, port, id); - if ((pos[2] & 0xf0) == 0xf0) - printk(KERN_DEBUG " ROM Addr.=off,"); - else - printk(KERN_DEBUG " ROM Addr.=0x%x,", ((pos[2] & 0xf0) << 13) + 0xc0000); - printk(KERN_DEBUG " port-offset=0x%x, subsystem=%s\n", ((pos[2] & 0x0e) << 2), (pos[2] & 1) ? "enabled." : "disabled."); - - /* register the hostadapter */ - if ((shpnt = ibmmca_register(scsi_template, port, id, i, subsys_list[i].description))) { - for (k = 2; k < 7; k++) - ((struct ibmmca_hostdata *) shpnt->hostdata)->_pos[k] = pos[k]; - ((struct ibmmca_hostdata *) shpnt->hostdata)->_special = i; - mca_set_adapter_name(slot, subsys_list[i].description); - mca_set_adapter_procfn(slot, (MCA_ProcFn) ibmmca_getinfo, shpnt); - mca_mark_as_used(slot); - if ((i == IBM_SCSI2_FW) && (pos[4] & 0x01) && (pos[6] == 0)) - devices_on_irq_11++; - else - devices_on_irq_14++; - } - slot++; /* advance to next slot */ - } /* advance to next adapter id in the list of IBM-SCSI-subsystems */ - } - if (IRQ11_registered && !devices_on_irq_11) - free_irq(IM_IRQ_FW, hosts); /* no devices on IRQ 11 */ - if (IRQ14_registered && !devices_on_irq_14) - free_irq(IM_IRQ, hosts); /* no devices on IRQ 14 */ - if (!devices_on_irq_11 && !devices_on_irq_14) - printk(KERN_WARNING "IBM MCA SCSI: No IBM SCSI-subsystem adapter attached.\n"); - return found; /* return the number of found SCSI hosts. Should be 1 or 0. */ -} -static struct Scsi_Host *ibmmca_register(struct scsi_host_template * scsi_template, int port, int id, int adaptertype, char *hostname) -{ - struct Scsi_Host *shpnt; - int i, j; - unsigned int ctrl; + /* give detailed information on the subsystem. This helps me + * additionally during debugging and analyzing bug-reports. */ + printk(KERN_INFO "IBM MCA SCSI: %s found, io=0x%x, scsi id=%d,\n", + description, port, id); + if (mca_dev->slot == MCA_INTEGSCSI) + printk(KERN_INFO " chip rev.=%d, 8K NVRAM=%s, subsystem=%s\n", ((pos[2] & 0xf0) >> 4), (pos[2] & 2) ? "locked" : "accessible", (pos[2] & 1) ? "enabled." : "disabled."); + else { + if ((pos[2] & 0xf0) == 0xf0) + printk(KERN_DEBUG " ROM Addr.=off,"); + else + printk(KERN_DEBUG " ROM Addr.=0x%x,", ((pos[2] & 0xf0) << 13) + 0xc0000); + + printk(KERN_DEBUG " port-offset=0x%x, subsystem=%s\n", ((pos[2] & 0x0e) << 2), (pos[2] & 1) ? "enabled." : "disabled."); + } /* check I/O region */ - if (!request_region(port, IM_N_IO_PORT, hostname)) { + if (!request_region(port, IM_N_IO_PORT, description)) { printk(KERN_ERR "IBM MCA SCSI: Unable to get I/O region 0x%x-0x%x (%d ports).\n", port, port + IM_N_IO_PORT - 1, IM_N_IO_PORT); - return NULL; + goto out_fail; } /* register host */ - shpnt = scsi_register(scsi_template, sizeof(struct ibmmca_hostdata)); + shpnt = scsi_host_alloc(&ibmmca_driver_template, + sizeof(struct ibmmca_hostdata)); if (!shpnt) { printk(KERN_ERR "IBM MCA SCSI: Unable to register host.\n"); - release_region(port, IM_N_IO_PORT); - return NULL; + goto out_release; + } + + dev_set_drvdata(dev, shpnt); + if(request_irq(irq, interrupt_handler, IRQF_SHARED, description, dev)) { + printk(KERN_ERR "IBM MCA SCSI: failed to request interrupt %d\n", irq); + goto out_free_host; } /* request I/O region */ - hosts[found] = shpnt; /* add new found hostadapter to the list */ - special(found) = adaptertype; /* important assignment or else crash! */ - subsystem_connector_size(found) = 0; /* preset slot-size */ - shpnt->irq = IM_IRQ; /* assign necessary stuff for the adapter */ + special(shpnt) = mca_dev->index; /* important assignment or else crash! */ + subsystem_connector_size(shpnt) = 0; /* preset slot-size */ + shpnt->irq = irq; /* assign necessary stuff for the adapter */ shpnt->io_port = port; shpnt->n_io_port = IM_N_IO_PORT; shpnt->this_id = id; shpnt->max_id = 8; /* 8 PUNs are default */ /* now, the SCSI-subsystem is connected to Linux */ - ctrl = (unsigned int) (inb(IM_CTR_REG(found))); /* get control-register status */ #ifdef IM_DEBUG_PROBE + ctrl = (unsigned int) (inb(IM_CTR_REG(found))); /* get control-register status */ printk("IBM MCA SCSI: Control Register contents: %x, status: %x\n", ctrl, inb(IM_STAT_REG(found))); printk("IBM MCA SCSI: This adapters' POS-registers: "); for (i = 0; i < 8; i++) printk("%x ", pos[i]); printk("\n"); #endif - reset_status(found) = IM_RESET_NOT_IN_PROGRESS; + reset_status(shpnt) = IM_RESET_NOT_IN_PROGRESS; for (i = 0; i < 16; i++) /* reset the tables */ for (j = 0; j < 8; j++) - get_ldn(found)[i][j] = MAX_LOG_DEV; + get_ldn(shpnt)[i][j] = MAX_LOG_DEV; /* check which logical devices exist */ /* after this line, local interrupting is possible: */ - local_checking_phase_flag(found) = 1; - check_devices(found, adaptertype); /* call by value, using the global variable hosts */ - local_checking_phase_flag(found) = 0; - found++; /* now increase index to be prepared for next found subsystem */ + local_checking_phase_flag(shpnt) = 1; + check_devices(shpnt, mca_dev->index); /* call by value, using the global variable hosts */ + local_checking_phase_flag(shpnt) = 0; + /* an ibm mca subsystem has been detected */ - return shpnt; + + for (k = 2; k < 7; k++) + ((struct ibmmca_hostdata *) shpnt->hostdata)->_pos[k] = pos[k]; + ((struct ibmmca_hostdata *) shpnt->hostdata)->_special = INTEGRATED_SCSI; + mca_device_set_name(mca_dev, description); + /* FIXME: NEED TO REPLUMB TO SYSFS + mca_set_adapter_procfn(MCA_INTEGSCSI, (MCA_ProcFn) ibmmca_getinfo, shpnt); + */ + mca_device_set_claim(mca_dev, 1); + if (scsi_add_host(shpnt, dev)) { + dev_printk(KERN_ERR, dev, "IBM MCA SCSI: scsi_add_host failed\n"); + goto out_free_host; + } + scsi_scan_host(shpnt); + + return 0; + out_free_host: + scsi_host_put(shpnt); + out_release: + release_region(port, IM_N_IO_PORT); + out_fail: + return ret; } -static int ibmmca_release(struct Scsi_Host *shpnt) +static int __devexit ibmmca_remove(struct device *dev) { + struct Scsi_Host *shpnt = dev_get_drvdata(dev); + scsi_remove_host(shpnt); release_region(shpnt->io_port, shpnt->n_io_port); - if (!(--found)) - free_irq(shpnt->irq, hosts); + free_irq(shpnt->irq, dev); return 0; } @@ -1805,33 +1706,24 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) int current_ldn; int id, lun; int target; - int host_index; int max_pun; int i; - struct scatterlist *sl; + struct scatterlist *sg; shpnt = cmd->device->host; - /* search for the right hostadapter */ - for (host_index = 0; hosts[host_index] && hosts[host_index]->host_no != shpnt->host_no; host_index++); - if (!hosts[host_index]) { /* invalid hostadapter descriptor address */ - cmd->result = DID_NO_CONNECT << 16; - if (done) - done(cmd); - return 0; - } - max_pun = subsystem_maxid(host_index); + max_pun = subsystem_maxid(shpnt); if (ibm_ansi_order) { target = max_pun - 1 - cmd->device->id; - if ((target <= subsystem_pun(host_index)) && (cmd->device->id <= subsystem_pun(host_index))) + if ((target <= subsystem_pun(shpnt)) && (cmd->device->id <= subsystem_pun(shpnt))) target--; - else if ((target >= subsystem_pun(host_index)) && (cmd->device->id >= subsystem_pun(host_index))) + else if ((target >= subsystem_pun(shpnt)) && (cmd->device->id >= subsystem_pun(shpnt))) target++; } else target = cmd->device->id; /* if (target,lun) is NO LUN or not existing at all, return error */ - if ((get_scsi(host_index)[target][cmd->device->lun] == TYPE_NO_LUN) || (get_scsi(host_index)[target][cmd->device->lun] == TYPE_NO_DEVICE)) { + if ((get_scsi(shpnt)[target][cmd->device->lun] == TYPE_NO_LUN) || (get_scsi(shpnt)[target][cmd->device->lun] == TYPE_NO_DEVICE)) { cmd->result = DID_NO_CONNECT << 16; if (done) done(cmd); @@ -1839,16 +1731,16 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) } /*if (target,lun) unassigned, do further checks... */ - ldn = get_ldn(host_index)[target][cmd->device->lun]; + ldn = get_ldn(shpnt)[target][cmd->device->lun]; if (ldn >= MAX_LOG_DEV) { /* on invalid ldn do special stuff */ if (ldn > MAX_LOG_DEV) { /* dynamical remapping if ldn unassigned */ - current_ldn = next_ldn(host_index); /* stop-value for one circle */ - while (ld(host_index)[next_ldn(host_index)].cmd) { /* search for a occupied, but not in */ + current_ldn = next_ldn(shpnt); /* stop-value for one circle */ + while (ld(shpnt)[next_ldn(shpnt)].cmd) { /* search for a occupied, but not in */ /* command-processing ldn. */ - next_ldn(host_index)++; - if (next_ldn(host_index) >= MAX_LOG_DEV) - next_ldn(host_index) = 7; - if (current_ldn == next_ldn(host_index)) { /* One circle done ? */ + next_ldn(shpnt)++; + if (next_ldn(shpnt) >= MAX_LOG_DEV) + next_ldn(shpnt) = 7; + if (current_ldn == next_ldn(shpnt)) { /* One circle done ? */ /* no non-processing ldn found */ scmd_printk(KERN_WARNING, cmd, "IBM MCA SCSI: Cannot assign SCSI-device dynamically!\n" @@ -1864,56 +1756,56 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) /* unmap non-processing ldn */ for (id = 0; id < max_pun; id++) for (lun = 0; lun < 8; lun++) { - if (get_ldn(host_index)[id][lun] == next_ldn(host_index)) { - get_ldn(host_index)[id][lun] = TYPE_NO_DEVICE; - get_scsi(host_index)[id][lun] = TYPE_NO_DEVICE; + if (get_ldn(shpnt)[id][lun] == next_ldn(shpnt)) { + get_ldn(shpnt)[id][lun] = TYPE_NO_DEVICE; + get_scsi(shpnt)[id][lun] = TYPE_NO_DEVICE; /* unmap entry */ } } /* set reduced interrupt_handler-mode for checking */ - local_checking_phase_flag(host_index) = 1; + local_checking_phase_flag(shpnt) = 1; /* map found ldn to pun,lun */ - get_ldn(host_index)[target][cmd->device->lun] = next_ldn(host_index); + get_ldn(shpnt)[target][cmd->device->lun] = next_ldn(shpnt); /* change ldn to the right value, that is now next_ldn */ - ldn = next_ldn(host_index); + ldn = next_ldn(shpnt); /* unassign all ldns (pun,lun,ldn does not matter for remove) */ - immediate_assign(host_index, 0, 0, 0, REMOVE_LDN); + immediate_assign(shpnt, 0, 0, 0, REMOVE_LDN); /* set only LDN for remapped device */ - immediate_assign(host_index, target, cmd->device->lun, ldn, SET_LDN); + immediate_assign(shpnt, target, cmd->device->lun, ldn, SET_LDN); /* get device information for ld[ldn] */ - if (device_exists(host_index, ldn, &ld(host_index)[ldn].block_length, &ld(host_index)[ldn].device_type)) { - ld(host_index)[ldn].cmd = NULL; /* To prevent panic set 0, because + if (device_exists(shpnt, ldn, &ld(shpnt)[ldn].block_length, &ld(shpnt)[ldn].device_type)) { + ld(shpnt)[ldn].cmd = NULL; /* To prevent panic set 0, because devices that were not assigned, should have nothing in progress. */ - get_scsi(host_index)[target][cmd->device->lun] = ld(host_index)[ldn].device_type; + get_scsi(shpnt)[target][cmd->device->lun] = ld(shpnt)[ldn].device_type; /* increase assignment counters for statistics in /proc */ - IBM_DS(host_index).dynamical_assignments++; - IBM_DS(host_index).ldn_assignments[ldn]++; + IBM_DS(shpnt).dynamical_assignments++; + IBM_DS(shpnt).ldn_assignments[ldn]++; } else /* panic here, because a device, found at boottime has vanished */ panic("IBM MCA SCSI: ldn=0x%x, SCSI-device on (%d,%d) vanished!\n", ldn, target, cmd->device->lun); /* unassign again all ldns (pun,lun,ldn does not matter for remove) */ - immediate_assign(host_index, 0, 0, 0, REMOVE_LDN); + immediate_assign(shpnt, 0, 0, 0, REMOVE_LDN); /* remap all ldns, as written in the pun/lun table */ lun = 0; #ifdef CONFIG_SCSI_MULTI_LUN for (lun = 0; lun < 8; lun++) #endif for (id = 0; id < max_pun; id++) { - if (get_ldn(host_index)[id][lun] <= MAX_LOG_DEV) - immediate_assign(host_index, id, lun, get_ldn(host_index)[id][lun], SET_LDN); + if (get_ldn(shpnt)[id][lun] <= MAX_LOG_DEV) + immediate_assign(shpnt, id, lun, get_ldn(shpnt)[id][lun], SET_LDN); } /* set back to normal interrupt_handling */ - local_checking_phase_flag(host_index) = 0; + local_checking_phase_flag(shpnt) = 0; #ifdef IM_DEBUG_PROBE /* Information on syslog terminal */ printk("IBM MCA SCSI: ldn=0x%x dynamically reassigned to (%d,%d).\n", ldn, target, cmd->device->lun); #endif /* increase next_ldn for next dynamical assignment */ - next_ldn(host_index)++; - if (next_ldn(host_index) >= MAX_LOG_DEV) - next_ldn(host_index) = 7; + next_ldn(shpnt)++; + if (next_ldn(shpnt) >= MAX_LOG_DEV) + next_ldn(shpnt) = 7; } else { /* wall against Linux accesses to the subsystem adapter */ cmd->result = DID_BAD_TARGET << 16; if (done) @@ -1923,34 +1815,32 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) } /*verify there is no command already in progress for this log dev */ - if (ld(host_index)[ldn].cmd) + if (ld(shpnt)[ldn].cmd) panic("IBM MCA SCSI: cmd already in progress for this ldn.\n"); /*save done in cmd, and save cmd for the interrupt handler */ cmd->scsi_done = done; - ld(host_index)[ldn].cmd = cmd; + ld(shpnt)[ldn].cmd = cmd; /*fill scb information independent of the scsi command */ - scb = &(ld(host_index)[ldn].scb); - ld(host_index)[ldn].tsb.dev_status = 0; + scb = &(ld(shpnt)[ldn].scb); + ld(shpnt)[ldn].tsb.dev_status = 0; scb->enable = IM_REPORT_TSB_ONLY_ON_ERROR | IM_RETRY_ENABLE; - scb->tsb_adr = isa_virt_to_bus(&(ld(host_index)[ldn].tsb)); + scb->tsb_adr = isa_virt_to_bus(&(ld(shpnt)[ldn].tsb)); scsi_cmd = cmd->cmnd[0]; - if (cmd->use_sg) { - i = cmd->use_sg; - sl = (struct scatterlist *) (cmd->request_buffer); - if (i > 16) - panic("IBM MCA SCSI: scatter-gather list too long.\n"); - while (--i >= 0) { - ld(host_index)[ldn].sge[i].address = (void *) (isa_page_to_bus(sl[i].page) + sl[i].offset); - ld(host_index)[ldn].sge[i].byte_length = sl[i].length; + if (scsi_sg_count(cmd)) { + BUG_ON(scsi_sg_count(cmd) > 16); + + scsi_for_each_sg(cmd, sg, scsi_sg_count(cmd), i) { + ld(shpnt)[ldn].sge[i].address = (void *) (isa_page_to_bus(sg->page) + sg->offset); + ld(shpnt)[ldn].sge[i].byte_length = sg->length; } scb->enable |= IM_POINTER_TO_LIST; - scb->sys_buf_adr = isa_virt_to_bus(&(ld(host_index)[ldn].sge[0])); - scb->sys_buf_length = cmd->use_sg * sizeof(struct im_sge); + scb->sys_buf_adr = isa_virt_to_bus(&(ld(shpnt)[ldn].sge[0])); + scb->sys_buf_length = scsi_sg_count(cmd) * sizeof(struct im_sge); } else { - scb->sys_buf_adr = isa_virt_to_bus(cmd->request_buffer); + scb->sys_buf_adr = isa_virt_to_bus(scsi_sglist(cmd)); /* recent Linux midlevel SCSI places 1024 byte for inquiry * command. Far too much for old PS/2 hardware. */ switch (scsi_cmd) { @@ -1961,16 +1851,16 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) case REQUEST_SENSE: case MODE_SENSE: case MODE_SELECT: - if (cmd->request_bufflen > 255) + if (scsi_bufflen(cmd) > 255) scb->sys_buf_length = 255; else - scb->sys_buf_length = cmd->request_bufflen; + scb->sys_buf_length = scsi_bufflen(cmd); break; case TEST_UNIT_READY: scb->sys_buf_length = 0; break; default: - scb->sys_buf_length = cmd->request_bufflen; + scb->sys_buf_length = scsi_bufflen(cmd); break; } } @@ -1982,16 +1872,16 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) /* for specific device-type debugging: */ #ifdef IM_DEBUG_CMD_SPEC_DEV - if (ld(host_index)[ldn].device_type == IM_DEBUG_CMD_DEVICE) - printk("(SCSI-device-type=0x%x) issue scsi cmd=%02x to ldn=%d\n", ld(host_index)[ldn].device_type, scsi_cmd, ldn); + if (ld(shpnt)[ldn].device_type == IM_DEBUG_CMD_DEVICE) + printk("(SCSI-device-type=0x%x) issue scsi cmd=%02x to ldn=%d\n", ld(shpnt)[ldn].device_type, scsi_cmd, ldn); #endif /* for possible panics store current command */ - last_scsi_command(host_index)[ldn] = scsi_cmd; - last_scsi_type(host_index)[ldn] = IM_SCB; + last_scsi_command(shpnt)[ldn] = scsi_cmd; + last_scsi_type(shpnt)[ldn] = IM_SCB; /* update statistical info */ - IBM_DS(host_index).total_accesses++; - IBM_DS(host_index).ldn_access[ldn]++; + IBM_DS(shpnt).total_accesses++; + IBM_DS(shpnt).ldn_access[ldn]++; switch (scsi_cmd) { case READ_6: @@ -2003,17 +1893,17 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) /* Distinguish between disk and other devices. Only disks (that are the most frequently accessed devices) should be supported by the IBM-SCSI-Subsystem commands. */ - switch (ld(host_index)[ldn].device_type) { + switch (ld(shpnt)[ldn].device_type) { case TYPE_DISK: /* for harddisks enter here ... */ case TYPE_MOD: /* ... try it also for MO-drives (send flames as */ /* you like, if this won't work.) */ if (scsi_cmd == READ_6 || scsi_cmd == READ_10 || scsi_cmd == READ_12) { /* read command preparations */ scb->enable |= IM_READ_CONTROL; - IBM_DS(host_index).ldn_read_access[ldn]++; /* increase READ-access on ldn stat. */ + IBM_DS(shpnt).ldn_read_access[ldn]++; /* increase READ-access on ldn stat. */ scb->command = IM_READ_DATA_CMD | IM_NO_DISCONNECT; } else { /* write command preparations */ - IBM_DS(host_index).ldn_write_access[ldn]++; /* increase write-count on ldn stat. */ + IBM_DS(shpnt).ldn_write_access[ldn]++; /* increase write-count on ldn stat. */ scb->command = IM_WRITE_DATA_CMD | IM_NO_DISCONNECT; } if (scsi_cmd == READ_6 || scsi_cmd == WRITE_6) { @@ -2023,9 +1913,9 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) scb->u1.log_blk_adr = (((unsigned) cmd->cmnd[5]) << 0) | (((unsigned) cmd->cmnd[4]) << 8) | (((unsigned) cmd->cmnd[3]) << 16) | (((unsigned) cmd->cmnd[2]) << 24); scb->u2.blk.count = (((unsigned) cmd->cmnd[8]) << 0) | (((unsigned) cmd->cmnd[7]) << 8); } - last_scsi_logical_block(host_index)[ldn] = scb->u1.log_blk_adr; - last_scsi_blockcount(host_index)[ldn] = scb->u2.blk.count; - scb->u2.blk.length = ld(host_index)[ldn].block_length; + last_scsi_logical_block(shpnt)[ldn] = scb->u1.log_blk_adr; + last_scsi_blockcount(shpnt)[ldn] = scb->u2.blk.count; + scb->u2.blk.length = ld(shpnt)[ldn].block_length; break; /* for other devices, enter here. Other types are not known by Linux! TYPE_NO_LUN is forbidden as valid device. */ @@ -2046,14 +1936,14 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) scb->enable |= IM_BYPASS_BUFFER; scb->u1.scsi_cmd_length = cmd->cmd_len; memcpy(scb->u2.scsi_command, cmd->cmnd, cmd->cmd_len); - last_scsi_type(host_index)[ldn] = IM_LONG_SCB; + last_scsi_type(shpnt)[ldn] = IM_LONG_SCB; /* Read/write on this non-disk devices is also displayworthy, so flash-up the LED/display. */ break; } break; case INQUIRY: - IBM_DS(host_index).ldn_inquiry_access[ldn]++; + IBM_DS(shpnt).ldn_inquiry_access[ldn]++; scb->command = IM_DEVICE_INQUIRY_CMD; scb->enable |= IM_READ_CONTROL | IM_SUPRESS_EXCEPTION_SHORT | IM_BYPASS_BUFFER; scb->u1.log_blk_adr = 0; @@ -2064,7 +1954,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) scb->u1.log_blk_adr = 0; scb->u1.scsi_cmd_length = 6; memcpy(scb->u2.scsi_command, cmd->cmnd, 6); - last_scsi_type(host_index)[ldn] = IM_LONG_SCB; + last_scsi_type(shpnt)[ldn] = IM_LONG_SCB; break; case READ_CAPACITY: /* the length of system memory buffer must be exactly 8 bytes */ @@ -2081,12 +1971,12 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) /* Commands that need write-only-mode (system -> device): */ case MODE_SELECT: case MODE_SELECT_10: - IBM_DS(host_index).ldn_modeselect_access[ldn]++; + IBM_DS(shpnt).ldn_modeselect_access[ldn]++; scb->command = IM_OTHER_SCSI_CMD_CMD; scb->enable |= IM_SUPRESS_EXCEPTION_SHORT | IM_BYPASS_BUFFER; /*Select needs WRITE-enabled */ scb->u1.scsi_cmd_length = cmd->cmd_len; memcpy(scb->u2.scsi_command, cmd->cmnd, cmd->cmd_len); - last_scsi_type(host_index)[ldn] = IM_LONG_SCB; + last_scsi_type(shpnt)[ldn] = IM_LONG_SCB; break; /* For other commands, read-only is useful. Most other commands are running without an input-data-block. */ @@ -2095,19 +1985,19 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) scb->enable |= IM_READ_CONTROL | IM_SUPRESS_EXCEPTION_SHORT | IM_BYPASS_BUFFER; scb->u1.scsi_cmd_length = cmd->cmd_len; memcpy(scb->u2.scsi_command, cmd->cmnd, cmd->cmd_len); - last_scsi_type(host_index)[ldn] = IM_LONG_SCB; + last_scsi_type(shpnt)[ldn] = IM_LONG_SCB; break; } /*issue scb command, and return */ if (++disk_rw_in_progress == 1) PS2_DISK_LED_ON(shpnt->host_no, target); - if (last_scsi_type(host_index)[ldn] == IM_LONG_SCB) { - issue_cmd(host_index, isa_virt_to_bus(scb), IM_LONG_SCB | ldn); - IBM_DS(host_index).long_scbs++; + if (last_scsi_type(shpnt)[ldn] == IM_LONG_SCB) { + issue_cmd(shpnt, isa_virt_to_bus(scb), IM_LONG_SCB | ldn); + IBM_DS(shpnt).long_scbs++; } else { - issue_cmd(host_index, isa_virt_to_bus(scb), IM_SCB | ldn); - IBM_DS(host_index).scbs++; + issue_cmd(shpnt, isa_virt_to_bus(scb), IM_SCB | ldn); + IBM_DS(shpnt).scbs++; } return 0; } @@ -2122,7 +2012,6 @@ static int __ibmmca_abort(Scsi_Cmnd * cmd) unsigned int ldn; void (*saved_done) (Scsi_Cmnd *); int target; - int host_index; int max_pun; unsigned long imm_command; @@ -2131,35 +2020,23 @@ static int __ibmmca_abort(Scsi_Cmnd * cmd) #endif shpnt = cmd->device->host; - /* search for the right hostadapter */ - for (host_index = 0; hosts[host_index] && hosts[host_index]->host_no != shpnt->host_no; host_index++); - if (!hosts[host_index]) { /* invalid hostadapter descriptor address */ - cmd->result = DID_NO_CONNECT << 16; - if (cmd->scsi_done) - (cmd->scsi_done) (cmd); - shpnt = cmd->device->host; -#ifdef IM_DEBUG_PROBE - printk(KERN_DEBUG "IBM MCA SCSI: Abort adapter selection failed!\n"); -#endif - return SUCCESS; - } - max_pun = subsystem_maxid(host_index); + max_pun = subsystem_maxid(shpnt); if (ibm_ansi_order) { target = max_pun - 1 - cmd->device->id; - if ((target <= subsystem_pun(host_index)) && (cmd->device->id <= subsystem_pun(host_index))) + if ((target <= subsystem_pun(shpnt)) && (cmd->device->id <= subsystem_pun(shpnt))) target--; - else if ((target >= subsystem_pun(host_index)) && (cmd->device->id >= subsystem_pun(host_index))) + else if ((target >= subsystem_pun(shpnt)) && (cmd->device->id >= subsystem_pun(shpnt))) target++; } else target = cmd->device->id; /* get logical device number, and disable system interrupts */ printk(KERN_WARNING "IBM MCA SCSI: Sending abort to device pun=%d, lun=%d.\n", target, cmd->device->lun); - ldn = get_ldn(host_index)[target][cmd->device->lun]; + ldn = get_ldn(shpnt)[target][cmd->device->lun]; /*if cmd for this ldn has already finished, no need to abort */ - if (!ld(host_index)[ldn].cmd) { + if (!ld(shpnt)[ldn].cmd) { return SUCCESS; } @@ -2170,20 +2047,20 @@ static int __ibmmca_abort(Scsi_Cmnd * cmd) saved_done = cmd->scsi_done; cmd->scsi_done = internal_done; cmd->SCp.Status = 0; - last_scsi_command(host_index)[ldn] = IM_ABORT_IMM_CMD; - last_scsi_type(host_index)[ldn] = IM_IMM_CMD; - imm_command = inl(IM_CMD_REG(host_index)); + last_scsi_command(shpnt)[ldn] = IM_ABORT_IMM_CMD; + last_scsi_type(shpnt)[ldn] = IM_IMM_CMD; + imm_command = inl(IM_CMD_REG(shpnt)); imm_command &= (unsigned long) (0xffff0000); /* mask reserved stuff */ imm_command |= (unsigned long) (IM_ABORT_IMM_CMD); /* must wait for attention reg not busy */ /* FIXME - timeout, politeness */ while (1) { - if (!(inb(IM_STAT_REG(host_index)) & IM_BUSY)) + if (!(inb(IM_STAT_REG(shpnt)) & IM_BUSY)) break; } /* write registers and enable system interrupts */ - outl(imm_command, IM_CMD_REG(host_index)); - outb(IM_IMM_CMD | ldn, IM_ATTN_REG(host_index)); + outl(imm_command, IM_CMD_REG(shpnt)); + outb(IM_IMM_CMD | ldn, IM_ATTN_REG(shpnt)); #ifdef IM_DEBUG_PROBE printk("IBM MCA SCSI: Abort queued to adapter...\n"); #endif @@ -2202,7 +2079,7 @@ static int __ibmmca_abort(Scsi_Cmnd * cmd) cmd->result |= DID_ABORT << 16; if (cmd->scsi_done) (cmd->scsi_done) (cmd); - ld(host_index)[ldn].cmd = NULL; + ld(shpnt)[ldn].cmd = NULL; #ifdef IM_DEBUG_PROBE printk("IBM MCA SCSI: Abort finished with success.\n"); #endif @@ -2211,7 +2088,7 @@ static int __ibmmca_abort(Scsi_Cmnd * cmd) cmd->result |= DID_NO_CONNECT << 16; if (cmd->scsi_done) (cmd->scsi_done) (cmd); - ld(host_index)[ldn].cmd = NULL; + ld(shpnt)[ldn].cmd = NULL; #ifdef IM_DEBUG_PROBE printk("IBM MCA SCSI: Abort failed.\n"); #endif @@ -2236,71 +2113,65 @@ static int __ibmmca_host_reset(Scsi_Cmnd * cmd) struct Scsi_Host *shpnt; Scsi_Cmnd *cmd_aid; int ticks, i; - int host_index; unsigned long imm_command; BUG_ON(cmd == NULL); ticks = IM_RESET_DELAY * HZ; shpnt = cmd->device->host; - /* search for the right hostadapter */ - for (host_index = 0; hosts[host_index] && hosts[host_index]->host_no != shpnt->host_no; host_index++); - - if (!hosts[host_index]) /* invalid hostadapter descriptor address */ - return FAILED; - if (local_checking_phase_flag(host_index)) { + if (local_checking_phase_flag(shpnt)) { printk(KERN_WARNING "IBM MCA SCSI: unable to reset while checking devices.\n"); return FAILED; } /* issue reset immediate command to subsystem, and wait for interrupt */ printk("IBM MCA SCSI: resetting all devices.\n"); - reset_status(host_index) = IM_RESET_IN_PROGRESS; - last_scsi_command(host_index)[0xf] = IM_RESET_IMM_CMD; - last_scsi_type(host_index)[0xf] = IM_IMM_CMD; - imm_command = inl(IM_CMD_REG(host_index)); + reset_status(shpnt) = IM_RESET_IN_PROGRESS; + last_scsi_command(shpnt)[0xf] = IM_RESET_IMM_CMD; + last_scsi_type(shpnt)[0xf] = IM_IMM_CMD; + imm_command = inl(IM_CMD_REG(shpnt)); imm_command &= (unsigned long) (0xffff0000); /* mask reserved stuff */ imm_command |= (unsigned long) (IM_RESET_IMM_CMD); /* must wait for attention reg not busy */ while (1) { - if (!(inb(IM_STAT_REG(host_index)) & IM_BUSY)) + if (!(inb(IM_STAT_REG(shpnt)) & IM_BUSY)) break; spin_unlock_irq(shpnt->host_lock); yield(); spin_lock_irq(shpnt->host_lock); } /*write registers and enable system interrupts */ - outl(imm_command, IM_CMD_REG(host_index)); - outb(IM_IMM_CMD | 0xf, IM_ATTN_REG(host_index)); + outl(imm_command, IM_CMD_REG(shpnt)); + outb(IM_IMM_CMD | 0xf, IM_ATTN_REG(shpnt)); /* wait for interrupt finished or intr_stat register to be set, as the * interrupt will not be executed, while we are in here! */ /* FIXME: This is really really icky we so want a sleeping version of this ! */ - while (reset_status(host_index) == IM_RESET_IN_PROGRESS && --ticks && ((inb(IM_INTR_REG(host_index)) & 0x8f) != 0x8f)) { + while (reset_status(shpnt) == IM_RESET_IN_PROGRESS && --ticks && ((inb(IM_INTR_REG(shpnt)) & 0x8f) != 0x8f)) { udelay((1 + 999 / HZ) * 1000); barrier(); } /* if reset did not complete, just return an error */ if (!ticks) { printk(KERN_ERR "IBM MCA SCSI: reset did not complete within %d seconds.\n", IM_RESET_DELAY); - reset_status(host_index) = IM_RESET_FINISHED_FAIL; + reset_status(shpnt) = IM_RESET_FINISHED_FAIL; return FAILED; } - if ((inb(IM_INTR_REG(host_index)) & 0x8f) == 0x8f) { + if ((inb(IM_INTR_REG(shpnt)) & 0x8f) == 0x8f) { /* analysis done by this routine and not by the intr-routine */ - if (inb(IM_INTR_REG(host_index)) == 0xaf) - reset_status(host_index) = IM_RESET_FINISHED_OK_NO_INT; - else if (inb(IM_INTR_REG(host_index)) == 0xcf) - reset_status(host_index) = IM_RESET_FINISHED_FAIL; + if (inb(IM_INTR_REG(shpnt)) == 0xaf) + reset_status(shpnt) = IM_RESET_FINISHED_OK_NO_INT; + else if (inb(IM_INTR_REG(shpnt)) == 0xcf) + reset_status(shpnt) = IM_RESET_FINISHED_FAIL; else /* failed, 4get it */ - reset_status(host_index) = IM_RESET_NOT_IN_PROGRESS_NO_INT; - outb(IM_EOI | 0xf, IM_ATTN_REG(host_index)); + reset_status(shpnt) = IM_RESET_NOT_IN_PROGRESS_NO_INT; + outb(IM_EOI | 0xf, IM_ATTN_REG(shpnt)); } /* if reset failed, just return an error */ - if (reset_status(host_index) == IM_RESET_FINISHED_FAIL) { + if (reset_status(shpnt) == IM_RESET_FINISHED_FAIL) { printk(KERN_ERR "IBM MCA SCSI: reset failed.\n"); return FAILED; } @@ -2308,9 +2179,9 @@ static int __ibmmca_host_reset(Scsi_Cmnd * cmd) /* so reset finished ok - call outstanding done's, and return success */ printk(KERN_INFO "IBM MCA SCSI: Reset successfully completed.\n"); for (i = 0; i < MAX_LOG_DEV; i++) { - cmd_aid = ld(host_index)[i].cmd; + cmd_aid = ld(shpnt)[i].cmd; if (cmd_aid && cmd_aid->scsi_done) { - ld(host_index)[i].cmd = NULL; + ld(shpnt)[i].cmd = NULL; cmd_aid->result = DID_RESET << 16; } } @@ -2351,46 +2222,46 @@ static int ibmmca_biosparam(struct scsi_device *sdev, struct block_device *bdev, } /* calculate percentage of total accesses on a ldn */ -static int ldn_access_load(int host_index, int ldn) +static int ldn_access_load(struct Scsi_Host *shpnt, int ldn) { - if (IBM_DS(host_index).total_accesses == 0) + if (IBM_DS(shpnt).total_accesses == 0) return (0); - if (IBM_DS(host_index).ldn_access[ldn] == 0) + if (IBM_DS(shpnt).ldn_access[ldn] == 0) return (0); - return (IBM_DS(host_index).ldn_access[ldn] * 100) / IBM_DS(host_index).total_accesses; + return (IBM_DS(shpnt).ldn_access[ldn] * 100) / IBM_DS(shpnt).total_accesses; } /* calculate total amount of r/w-accesses */ -static int ldn_access_total_read_write(int host_index) +static int ldn_access_total_read_write(struct Scsi_Host *shpnt) { int a; int i; a = 0; for (i = 0; i <= MAX_LOG_DEV; i++) - a += IBM_DS(host_index).ldn_read_access[i] + IBM_DS(host_index).ldn_write_access[i]; + a += IBM_DS(shpnt).ldn_read_access[i] + IBM_DS(shpnt).ldn_write_access[i]; return (a); } -static int ldn_access_total_inquiry(int host_index) +static int ldn_access_total_inquiry(struct Scsi_Host *shpnt) { int a; int i; a = 0; for (i = 0; i <= MAX_LOG_DEV; i++) - a += IBM_DS(host_index).ldn_inquiry_access[i]; + a += IBM_DS(shpnt).ldn_inquiry_access[i]; return (a); } -static int ldn_access_total_modeselect(int host_index) +static int ldn_access_total_modeselect(struct Scsi_Host *shpnt) { int a; int i; a = 0; for (i = 0; i <= MAX_LOG_DEV; i++) - a += IBM_DS(host_index).ldn_modeselect_access[i]; + a += IBM_DS(shpnt).ldn_modeselect_access[i]; return (a); } @@ -2398,19 +2269,14 @@ static int ldn_access_total_modeselect(int host_index) static int ibmmca_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start, off_t offset, int length, int inout) { int len = 0; - int i, id, lun, host_index; + int i, id, lun; unsigned long flags; int max_pun; - for (i = 0; hosts[i] && hosts[i] != shpnt; i++); - spin_lock_irqsave(hosts[i]->host_lock, flags); /* Check it */ - host_index = i; - if (!shpnt) { - len += sprintf(buffer + len, "\nIBM MCA SCSI: Can't find adapter"); - return len; - } - max_pun = subsystem_maxid(host_index); + spin_lock_irqsave(shpnt->host_lock, flags); /* Check it */ + + max_pun = subsystem_maxid(shpnt); len += sprintf(buffer + len, "\n IBM-SCSI-Subsystem-Linux-Driver, Version %s\n\n\n", IBMMCA_SCSI_DRIVER_VERSION); len += sprintf(buffer + len, " SCSI Access-Statistics:\n"); @@ -2421,40 +2287,40 @@ static int ibmmca_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start, len += sprintf(buffer + len, " Multiple LUN probing.....: No\n"); #endif len += sprintf(buffer + len, " This Hostnumber..........: %d\n", shpnt->host_no); - len += sprintf(buffer + len, " Base I/O-Port............: 0x%x\n", (unsigned int) (IM_CMD_REG(host_index))); + len += sprintf(buffer + len, " Base I/O-Port............: 0x%x\n", (unsigned int) (IM_CMD_REG(shpnt))); len += sprintf(buffer + len, " (Shared) IRQ.............: %d\n", IM_IRQ); - len += sprintf(buffer + len, " Total Interrupts.........: %d\n", IBM_DS(host_index).total_interrupts); - len += sprintf(buffer + len, " Total SCSI Accesses......: %d\n", IBM_DS(host_index).total_accesses); - len += sprintf(buffer + len, " Total short SCBs.........: %d\n", IBM_DS(host_index).scbs); - len += sprintf(buffer + len, " Total long SCBs..........: %d\n", IBM_DS(host_index).long_scbs); - len += sprintf(buffer + len, " Total SCSI READ/WRITE..: %d\n", ldn_access_total_read_write(host_index)); - len += sprintf(buffer + len, " Total SCSI Inquiries...: %d\n", ldn_access_total_inquiry(host_index)); - len += sprintf(buffer + len, " Total SCSI Modeselects.: %d\n", ldn_access_total_modeselect(host_index)); - len += sprintf(buffer + len, " Total SCSI other cmds..: %d\n", IBM_DS(host_index).total_accesses - ldn_access_total_read_write(host_index) - - ldn_access_total_modeselect(host_index) - - ldn_access_total_inquiry(host_index)); - len += sprintf(buffer + len, " Total SCSI command fails.: %d\n\n", IBM_DS(host_index).total_errors); + len += sprintf(buffer + len, " Total Interrupts.........: %d\n", IBM_DS(shpnt).total_interrupts); + len += sprintf(buffer + len, " Total SCSI Accesses......: %d\n", IBM_DS(shpnt).total_accesses); + len += sprintf(buffer + len, " Total short SCBs.........: %d\n", IBM_DS(shpnt).scbs); + len += sprintf(buffer + len, " Total long SCBs..........: %d\n", IBM_DS(shpnt).long_scbs); + len += sprintf(buffer + len, " Total SCSI READ/WRITE..: %d\n", ldn_access_total_read_write(shpnt)); + len += sprintf(buffer + len, " Total SCSI Inquiries...: %d\n", ldn_access_total_inquiry(shpnt)); + len += sprintf(buffer + len, " Total SCSI Modeselects.: %d\n", ldn_access_total_modeselect(shpnt)); + len += sprintf(buffer + len, " Total SCSI other cmds..: %d\n", IBM_DS(shpnt).total_accesses - ldn_access_total_read_write(shpnt) + - ldn_access_total_modeselect(shpnt) + - ldn_access_total_inquiry(shpnt)); + len += sprintf(buffer + len, " Total SCSI command fails.: %d\n\n", IBM_DS(shpnt).total_errors); len += sprintf(buffer + len, " Logical-Device-Number (LDN) Access-Statistics:\n"); len += sprintf(buffer + len, " LDN | Accesses [%%] | READ | WRITE | ASSIGNMENTS\n"); len += sprintf(buffer + len, " -----|--------------|-----------|-----------|--------------\n"); for (i = 0; i <= MAX_LOG_DEV; i++) - len += sprintf(buffer + len, " %2X | %3d | %8d | %8d | %8d\n", i, ldn_access_load(host_index, i), IBM_DS(host_index).ldn_read_access[i], IBM_DS(host_index).ldn_write_access[i], IBM_DS(host_index).ldn_assignments[i]); + len += sprintf(buffer + len, " %2X | %3d | %8d | %8d | %8d\n", i, ldn_access_load(shpnt, i), IBM_DS(shpnt).ldn_read_access[i], IBM_DS(shpnt).ldn_write_access[i], IBM_DS(shpnt).ldn_assignments[i]); len += sprintf(buffer + len, " -----------------------------------------------------------\n\n"); len += sprintf(buffer + len, " Dynamical-LDN-Assignment-Statistics:\n"); - len += sprintf(buffer + len, " Number of physical SCSI-devices..: %d (+ Adapter)\n", IBM_DS(host_index).total_scsi_devices); - len += sprintf(buffer + len, " Dynamical Assignment necessary...: %s\n", IBM_DS(host_index).dyn_flag ? "Yes" : "No "); - len += sprintf(buffer + len, " Next LDN to be assigned..........: 0x%x\n", next_ldn(host_index)); - len += sprintf(buffer + len, " Dynamical assignments done yet...: %d\n", IBM_DS(host_index).dynamical_assignments); + len += sprintf(buffer + len, " Number of physical SCSI-devices..: %d (+ Adapter)\n", IBM_DS(shpnt).total_scsi_devices); + len += sprintf(buffer + len, " Dynamical Assignment necessary...: %s\n", IBM_DS(shpnt).dyn_flag ? "Yes" : "No "); + len += sprintf(buffer + len, " Next LDN to be assigned..........: 0x%x\n", next_ldn(shpnt)); + len += sprintf(buffer + len, " Dynamical assignments done yet...: %d\n", IBM_DS(shpnt).dynamical_assignments); len += sprintf(buffer + len, "\n Current SCSI-Device-Mapping:\n"); len += sprintf(buffer + len, " Physical SCSI-Device Map Logical SCSI-Device Map\n"); len += sprintf(buffer + len, " ID\\LUN 0 1 2 3 4 5 6 7 ID\\LUN 0 1 2 3 4 5 6 7\n"); for (id = 0; id < max_pun; id++) { len += sprintf(buffer + len, " %2d ", id); for (lun = 0; lun < 8; lun++) - len += sprintf(buffer + len, "%2s ", ti_p(get_scsi(host_index)[id][lun])); + len += sprintf(buffer + len, "%2s ", ti_p(get_scsi(shpnt)[id][lun])); len += sprintf(buffer + len, " %2d ", id); for (lun = 0; lun < 8; lun++) - len += sprintf(buffer + len, "%2s ", ti_l(get_ldn(host_index)[id][lun])); + len += sprintf(buffer + len, "%2s ", ti_l(get_ldn(shpnt)[id][lun])); len += sprintf(buffer + len, "\n"); } @@ -2488,20 +2354,31 @@ static int option_setup(char *str) __setup("ibmmcascsi=", option_setup); -static struct scsi_host_template driver_template = { - .proc_name = "ibmmca", - .proc_info = ibmmca_proc_info, - .name = "IBM SCSI-Subsystem", - .detect = ibmmca_detect, - .release = ibmmca_release, - .queuecommand = ibmmca_queuecommand, - .eh_abort_handler = ibmmca_abort, - .eh_host_reset_handler = ibmmca_host_reset, - .bios_param = ibmmca_biosparam, - .can_queue = 16, - .this_id = 7, - .sg_tablesize = 16, - .cmd_per_lun = 1, - .use_clustering = ENABLE_CLUSTERING, +static struct mca_driver ibmmca_driver = { + .id_table = ibmmca_id_table, + .driver = { + .name = "ibmmca", + .bus = &mca_bus_type, + .probe = ibmmca_probe, + .remove = __devexit_p(ibmmca_remove), + }, }; -#include "scsi_module.c" + +static int __init ibmmca_init(void) +{ +#ifdef MODULE + /* If the driver is run as module, read from conf.modules or cmd-line */ + if (boot_options) + option_setup(boot_options); +#endif + + return mca_register_driver_integrated(&ibmmca_driver, MCA_INTEGSCSI); +} + +static void __exit ibmmca_exit(void) +{ + mca_unregister_driver(&ibmmca_driver); +} + +module_init(ibmmca_init); +module_exit(ibmmca_exit); |
