path: root/drivers/scsi/gdth_proc.c

/* gdth_proc.c 
 * $Id: gdth_proc.c,v 1.42 2004/03/05 15:50:20 achim Exp $
 */

#include <linux/completion.h>

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
int gdth_proc_info(struct Scsi_Host *host, char *buffer,char **start,off_t offset,int length,   
                   int inout)
{
    int hanum,busnum;

    TRACE2(("gdth_proc_info() length %d offs %d inout %d\n",
            length,(int)offset,inout));

    hanum = NUMDATA(host)->hanum;
    busnum= NUMDATA(host)->busnum;

    if (inout)
        return(gdth_set_info(buffer,length,host,hanum,busnum));
    else
        return(gdth_get_info(buffer,start,offset,length,host,hanum,busnum));
}
#else
int gdth_proc_info(char *buffer,char **start,off_t offset,int length,int hostno,   
                   int inout)
{
    int hanum,busnum,i;

    TRACE2(("gdth_proc_info() length %d offs %d inout %d\n",
            length,(int)offset,inout));

    for (i = 0; i < gdth_ctr_vcount; ++i) {
        if (gdth_ctr_vtab[i]->host_no == hostno)
            break;
    }
    if (i == gdth_ctr_vcount)
        return(-EINVAL);

    hanum = NUMDATA(gdth_ctr_vtab[i])->hanum;
    busnum= NUMDATA(gdth_ctr_vtab[i])->busnum;

    if (inout)
        return(gdth_set_info(buffer,length,gdth_ctr_vtab[i],hanum,busnum));
    else
        return(gdth_get_info(buffer,start,offset,length,
                             gdth_ctr_vtab[i],hanum,busnum));
}
#endif

static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host,
                         int hanum,int busnum)
{
    int             ret_val = -EINVAL;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
    Scsi_Request    *scp;
    struct scsi_device     *sdev;
#else
    Scsi_Cmnd       *scp;
    struct scsi_device     *sdev;
#endif
    TRACE2(("gdth_set_info() ha %d bus %d\n",hanum,busnum));

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
    sdev = scsi_get_host_dev(host);
    scp  = scsi_allocate_request(sdev, GFP_KERNEL);
    if (!scp)
        return -ENOMEM;
    scp->sr_cmd_len = 12;
    scp->sr_use_sg = 0;
#else
    sdev = scsi_get_host_dev(host);
    scp  = scsi_allocate_device(sdev, 1, FALSE);
    if (!scp)
        return -ENOMEM;
    scp->cmd_len = 12;
    scp->use_sg = 0;
#endif

    if (length >= 4) {
        if (strncmp(buffer,"gdth",4) == 0) {
            buffer += 5;
            length -= 5;
            ret_val = gdth_set_asc_info( buffer, length, hanum, scp );
        }
    }
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
    scsi_release_request(scp);
    scsi_free_host_dev(sdev);
#else
    scsi_release_command(scp);
    scsi_free_host_dev(sdev);
#endif
    return ret_val;
}
         
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Request *scp)
#else
static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp)
#endif
{
    int             orig_length, drive, wb_mode;
    int             i, found;
    gdth_ha_str     *ha;
    gdth_cmd_str    gdtcmd;
    gdth_cpar_str   *pcpar;
    ulong64         paddr;

    char            cmnd[MAX_COMMAND_SIZE];
    memset(cmnd, 0xff, 12);
    memset(&gdtcmd, 0, sizeof(gdth_cmd_str));

    TRACE2(("gdth_set_asc_info() ha %d\n",hanum));
    ha = HADATA(gdth_ctr_tab[hanum]);
    orig_length = length + 5;
    drive = -1;
    wb_mode = 0;
    found = FALSE;

    if (length >= 5 &&</