X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fmessage%2Fi2o%2Fi2o_scsi.c;h=ba121fc8547c84e960c587d89d457c82b78a43e0;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=a0f99f6e861b61c27107c01ef9130350dfca126a;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git diff --git a/drivers/message/i2o/i2o_scsi.c b/drivers/message/i2o/i2o_scsi.c index a0f99f6e8..ba121fc85 100644 --- a/drivers/message/i2o/i2o_scsi.c +++ b/drivers/message/i2o/i2o_scsi.c @@ -59,9 +59,11 @@ #include #include #include -#include "../../scsi/scsi.h" -#include "../../scsi/hosts.h" +#include +#include +#include +#include #define VERSION_STRING "Version 0.1.2" @@ -186,7 +188,7 @@ static void flush_pending(void) static void i2o_scsi_reply(struct i2o_handler *h, struct i2o_controller *c, struct i2o_message *msg) { - Scsi_Cmnd *current_command; + struct scsi_cmnd *current_command; spinlock_t *lock; u32 *m = (u32 *)msg; u8 as,ds,st; @@ -230,7 +232,7 @@ static void i2o_scsi_reply(struct i2o_handler *h, struct i2o_controller *c, stru { spin_unlock_irqrestore(&retry_lock, flags); /* Create a scsi error for this */ - current_command = (Scsi_Cmnd *)i2o_context_list_get(m[3], c); + current_command = (struct scsi_cmnd *)i2o_context_list_get(m[3], c); if(!current_command) return; @@ -277,7 +279,7 @@ static void i2o_scsi_reply(struct i2o_handler *h, struct i2o_controller *c, stru return; } - current_command = (Scsi_Cmnd *)i2o_context_list_get(m[3], c); + current_command = (struct scsi_cmnd *)i2o_context_list_get(m[3], c); /* * Is this a control request coming back - eg an abort ? @@ -330,10 +332,17 @@ static void i2o_scsi_reply(struct i2o_handler *h, struct i2o_controller *c, stru */ current_command->result = DID_OK << 16 | ds; - if (current_command->use_sg) - pci_unmap_sg(c->pdev, (struct scatterlist *)current_command->buffer, current_command->use_sg, scsi_to_pci_dma_dir(current_command->sc_data_direction)); - else if (current_command->request_bufflen) - pci_unmap_single(c->pdev, (dma_addr_t)((long)current_command->SCp.ptr), current_command->request_bufflen, scsi_to_pci_dma_dir(current_command->sc_data_direction)); + if (current_command->use_sg) { + pci_unmap_sg(c->pdev, + (struct scatterlist *)current_command->buffer, + current_command->use_sg, + current_command->sc_data_direction); + } else if (current_command->request_bufflen) { + pci_unmap_single(c->pdev, + (dma_addr_t)((long)current_command->SCp.ptr), + current_command->request_bufflen, + current_command->sc_data_direction); + } lock = current_command->device->host->host_lock; spin_lock_irqsave(lock, flags); @@ -461,7 +470,7 @@ static void i2o_scsi_init(struct i2o_controller *c, struct i2o_device *d, struct * scsi controller and then let the enumeration fake up the rest */ -static int i2o_scsi_detect(Scsi_Host_Template * tpnt) +static int i2o_scsi_detect(struct scsi_host_template * tpnt) { struct Scsi_Host *shpnt = NULL; int i; @@ -592,12 +601,13 @@ static const char *i2o_scsi_info(struct Scsi_Host *SChost) * Locks: takes the controller lock on error path only */ -static int i2o_scsi_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) +static int i2o_scsi_queuecommand(struct scsi_cmnd *SCpnt, + void (*done) (struct scsi_cmnd *)) { int i; int tid; struct i2o_controller *c; - Scsi_Cmnd *current_command; + struct scsi_cmnd *current_command; struct Scsi_Host *host; struct i2o_scsi_host *hostdata; u32 *msg, *mptr; @@ -659,7 +669,7 @@ static int i2o_scsi_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) if(m==0xFFFFFFFF) return 1; - msg = (u32 *)(c->mem_offset + m); + msg = (u32 *)(c->msg_virt + m); /* * Put together a scsi execscb message @@ -668,19 +678,14 @@ static int i2o_scsi_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) len = SCpnt->request_bufflen; direction = 0x00000000; // SGL IN (osm<--iop) - if(SCpnt->sc_data_direction == SCSI_DATA_NONE) + if (SCpnt->sc_data_direction == DMA_NONE) { scsidir = 0x00000000; // DATA NO XFER - else if(SCpnt->sc_data_direction == SCSI_DATA_WRITE) - { - direction=0x04000000; // SGL OUT (osm-->iop) - scsidir =0x80000000; // DATA OUT (iop-->dev) - } - else if(SCpnt->sc_data_direction == SCSI_DATA_READ) - { - scsidir =0x40000000; // DATA IN (iop<--dev) - } - else - { + } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { + direction = 0x04000000; // SGL OUT (osm-->iop) + scsidir = 0x80000000; // DATA OUT (iop-->dev) + } else if(SCpnt->sc_data_direction == DMA_FROM_DEVICE) { + scsidir = 0x40000000; // DATA IN (iop<--dev) + } else { /* Unknown - kill the command */ SCpnt->result = DID_NO_CONNECT << 16; @@ -768,7 +773,7 @@ static int i2o_scsi_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) len = 0; sg_count = pci_map_sg(c->pdev, sg, SCpnt->use_sg, - scsi_to_pci_dma_dir(SCpnt->sc_data_direction)); + SCpnt->sc_data_direction); /* FIXME: handle fail */ if(!sg_count) @@ -840,7 +845,7 @@ static int i2o_scsi_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) dma_addr = pci_map_single(c->pdev, SCpnt->request_buffer, SCpnt->request_bufflen, - scsi_to_pci_dma_dir(SCpnt->sc_data_direction)); + SCpnt->sc_data_direction); if(dma_addr == 0) BUG(); /* How to handle ?? */ SCpnt->SCp.ptr = (char *)(unsigned long) dma_addr; @@ -883,7 +888,7 @@ static int i2o_scsi_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) * Locks: no locks are held or needed */ -int i2o_scsi_abort(Scsi_Cmnd * SCpnt) +static int i2o_scsi_abort(struct scsi_cmnd * SCpnt) { struct i2o_controller *c; struct Scsi_Host *host; @@ -929,14 +934,14 @@ int i2o_scsi_abort(Scsi_Cmnd * SCpnt) * Locks: called with no lock held, requires no locks. */ -static int i2o_scsi_bus_reset(Scsi_Cmnd * SCpnt) +static int i2o_scsi_bus_reset(struct scsi_cmnd * SCpnt) { int tid; struct i2o_controller *c; struct Scsi_Host *host; struct i2o_scsi_host *hostdata; u32 m; - unsigned long msg; + void *msg; unsigned long timeout; @@ -974,7 +979,7 @@ static int i2o_scsi_bus_reset(Scsi_Cmnd * SCpnt) while(time_before(jiffies, timeout)); - msg = c->mem_offset + m; + msg = c->msg_virt + m; i2o_raw_writel(FOUR_WORD_MSG_SIZE|SGL_OFFSET_0, msg); i2o_raw_writel(I2O_CMD_SCSI_BUSRESET<<24|HOST_TID<<12|tid, msg+4); i2o_raw_writel(scsi_context|0x80000000, msg+8); @@ -991,32 +996,6 @@ static int i2o_scsi_bus_reset(Scsi_Cmnd * SCpnt) return SUCCESS; } -/** - * i2o_scsi_host_reset - host reset callback - * @SCpnt: command causing the reset - * - * An I2O controller can be many things at once. While we can - * reset a controller the potential mess from doing so is vast, and - * it's better to simply hold on and pray - */ - -static int i2o_scsi_host_reset(Scsi_Cmnd * SCpnt) -{ - return FAILED; -} - -/** - * i2o_scsi_device_reset - device reset callback - * @SCpnt: command causing the reset - * - * I2O does not (AFAIK) support doing a device reset - */ - -static int i2o_scsi_device_reset(Scsi_Cmnd * SCpnt) -{ - return FAILED; -} - /** * i2o_scsi_bios_param - Invent disk geometry * @sdev: scsi device @@ -1048,7 +1027,7 @@ MODULE_AUTHOR("Red Hat Software"); MODULE_LICENSE("GPL"); -static Scsi_Host_Template driver_template = { +static struct scsi_host_template driver_template = { .proc_name = "i2o_scsi", .name = "I2O SCSI Layer", .detect = i2o_scsi_detect, @@ -1057,8 +1036,6 @@ static Scsi_Host_Template driver_template = { .queuecommand = i2o_scsi_queuecommand, .eh_abort_handler = i2o_scsi_abort, .eh_bus_reset_handler = i2o_scsi_bus_reset, - .eh_device_reset_handler= i2o_scsi_device_reset, - .eh_host_reset_handler = i2o_scsi_host_reset, .bios_param = i2o_scsi_bios_param, .can_queue = I2O_SCSI_CAN_QUEUE, .this_id = 15,