[PATCH] iomem annotations (sata_nv)
[safe/jmp/linux-2.6] / drivers / scsi / aic7xxx / aic7xxx_osm.c
index 116d0f5..6ee1435 100644 (file)
 
 static struct scsi_transport_template *ahc_linux_transport_template = NULL;
 
-/*
- * Include aiclib.c as part of our
- * "module dependencies are hard" work around.
- */
-#include "aiclib.c"
-
 #include <linux/init.h>                /* __setup */
 #include <linux/mm.h>          /* For fetching system memory size */
 #include <linux/blkdev.h>              /* For block_size() */
@@ -391,7 +385,6 @@ static int ahc_linux_run_command(struct ahc_softc*,
                                 struct ahc_linux_device *,
                                 struct scsi_cmnd *);
 static void ahc_linux_setup_tag_info_global(char *p);
-static aic_option_callback_t ahc_linux_setup_tag_info;
 static int  aic7xxx_setup(char *s);
 
 static int ahc_linux_unit;
@@ -635,6 +628,8 @@ ahc_linux_slave_alloc(struct scsi_device *sdev)
        
        targ->sdev[sdev->lun] = sdev;
 
+       spi_period(starget) = 0;
+
        return 0;
 }
 
@@ -918,6 +913,86 @@ ahc_linux_setup_tag_info(u_long arg, int instance, int targ, int32_t value)
        }
 }
 
+static char *
+ahc_parse_brace_option(char *opt_name, char *opt_arg, char *end, int depth,
+                      void (*callback)(u_long, int, int, int32_t),
+                      u_long callback_arg)
+{
+       char    *tok_end;
+       char    *tok_end2;
+       int      i;
+       int      instance;
+       int      targ;
+       int      done;
+       char     tok_list[] = {'.', ',', '{', '}', '\0'};
+
+       /* All options use a ':' name/arg separator */
+       if (*opt_arg != ':')
+               return (opt_arg);
+       opt_arg++;
+       instance = -1;
+       targ = -1;
+       done = FALSE;
+       /*
+        * Restore separator that may be in
+        * the middle of our option argument.
+        */
+       tok_end = strchr(opt_arg, '\0');
+       if (tok_end < end)
+               *tok_end = ',';
+       while (!done) {
+               switch (*opt_arg) {
+               case '{':
+                       if (instance == -1) {
+                               instance = 0;
+                       } else {
+                               if (depth > 1) {
+                                       if (targ == -1)
+                                               targ = 0;
+                               } else {
+                                       printf("Malformed Option %s\n",
+                                              opt_name);
+                                       done = TRUE;
+                               }
+                       }
+                       opt_arg++;
+                       break;
+               case '}':
+                       if (targ != -1)
+                               targ = -1;
+                       else if (instance != -1)
+                               instance = -1;
+                       opt_arg++;
+                       break;
+               case ',':
+               case '.':
+                       if (instance == -1)
+                               done = TRUE;
+                       else if (targ >= 0)
+                               targ++;
+                       else if (instance >= 0)
+                               instance++;
+                       opt_arg++;
+                       break;
+               case '\0':
+                       done = TRUE;
+                       break;
+               default:
+                       tok_end = end;
+                       for (i = 0; tok_list[i]; i++) {
+                               tok_end2 = strchr(opt_arg, tok_list[i]);
+                               if ((tok_end2) && (tok_end2 < tok_end))
+                                       tok_end = tok_end2;
+                       }
+                       callback(callback_arg, instance, targ,
+                                simple_strtol(opt_arg, NULL, 0));
+                       opt_arg = tok_end;
+                       break;
+               }
+       }
+       return (opt_arg);
+}
+
 /*
  * Handle Linux boot parameters. This routine allows for assigning a value
  * to a parameter with a ':' between the parameter and the value.
@@ -972,7 +1047,7 @@ aic7xxx_setup(char *s)
                if (strncmp(p, "global_tag_depth", n) == 0) {
                        ahc_linux_setup_tag_info_global(p + n);
                } else if (strncmp(p, "tag_info", n) == 0) {
-                       s = aic_parse_brace_option("tag_info", p + n, end,
+                       s = ahc_parse_brace_option("tag_info", p + n, end,
                            2, ahc_linux_setup_tag_info, 0);
                } else if (p[n] == ':') {
                        *(options[i].flag) = simple_strtoul(p + n + 1, NULL, 0);
@@ -1034,15 +1109,6 @@ ahc_linux_register_host(struct ahc_softc *ahc, struct scsi_host_template *templa
        return (0);
 }
 
-uint64_t
-ahc_linux_get_memsize(void)
-{
-       struct sysinfo si;
-
-       si_meminfo(&si);
-       return ((uint64_t)si.totalram << PAGE_SHIFT);
-}
-
 /*
  * Place the SCSI bus into a known state by either resetting it,
  * or forcing transfer negotiations on the next command to any
@@ -1143,11 +1209,6 @@ ahc_platform_free(struct ahc_softc *ahc)
        int i, j;
 
        if (ahc->platform_data != NULL) {
-               if (ahc->platform_data->host != NULL) {
-                       scsi_remove_host(ahc->platform_data->host);
-                       scsi_host_put(ahc->platform_data->host);
-               }
-
                /* destroy all of the device and target objects */
                for (i = 0; i < AHC_NUM_TARGETS; i++) {
                        starget = ahc->platform_data->starget[i];
@@ -1176,6 +1237,9 @@ ahc_platform_free(struct ahc_softc *ahc)
                                           0x1000);
                }
 
+               if (ahc->platform_data->host)
+                       scsi_host_put(ahc->platform_data->host);
+
                free(ahc->platform_data, M_DEVBUF);
        }
 }
@@ -1264,14 +1328,12 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
        }
        switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) {
        case AHC_DEV_Q_BASIC:
-               scsi_adjust_queue_depth(sdev,
-                                       MSG_SIMPLE_TASK,
-                                       dev->openings + dev->active);
+               scsi_set_tag_type(sdev, MSG_SIMPLE_TAG);
+               scsi_activate_tcq(sdev, dev->openings + dev->active);
                break;
        case AHC_DEV_Q_TAGGED:
-               scsi_adjust_queue_depth(sdev,
-                                       MSG_ORDERED_TASK,
-                                       dev->openings + dev->active);
+               scsi_set_tag_type(sdev, MSG_ORDERED_TAG);
+               scsi_activate_tcq(sdev, dev->openings + dev->active);
                break;
        default:
                /*
@@ -1280,9 +1342,7 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
                 * serially on the controller/device.  This should
                 * remove some latency.
                 */
-               scsi_adjust_queue_depth(sdev,
-                                       /*NON-TAGGED*/0,
-                                       /*queue depth*/2);
+               scsi_deactivate_tcq(sdev, 2);
                break;
        }
 }
@@ -1616,9 +1676,9 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
                if (channel == 'B')
                        target_offset += 8;
                starget = ahc->platform_data->starget[target_offset];
-               targ = scsi_transport_target_data(starget);
-               if (targ == NULL)
+               if (starget == NULL)
                        break;
+               targ = scsi_transport_target_data(starget);
 
                target_ppr_options =
                        (spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0)
@@ -1635,9 +1695,9 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
                spi_period(starget) = tinfo->curr.period;
                spi_width(starget) = tinfo->curr.width;
                spi_offset(starget) = tinfo->curr.offset;
-               spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ;
-               spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ;
-               spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ;
+               spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ ? 1 : 0;
+               spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ ? 1 : 0;
+               spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ ? 1 : 0;
                spi_display_xfer_agreement(starget);
                break;
        }
@@ -2333,8 +2393,6 @@ ahc_platform_dump_card_state(struct ahc_softc *ahc)
 {
 }
 
-static void ahc_linux_exit(void);
-
 static void ahc_linux_set_width(struct scsi_target *starget, int width)
 {
        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
@@ -2429,12 +2487,14 @@ static void ahc_linux_set_dt(struct scsi_target *starget, int dt)
        unsigned int ppr_options = tinfo->goal.ppr_options
                & ~MSG_EXT_PPR_DT_REQ;
        unsigned int period = tinfo->goal.period;
+       unsigned int width = tinfo->goal.width;
        unsigned long flags;
        struct ahc_syncrate *syncrate;
 
        if (dt) {
-               period = 9;     /* 12.5ns is the only period valid for DT */
                ppr_options |= MSG_EXT_PPR_DT_REQ;
+               if (!width)
+                       ahc_linux_set_width(starget, 1);
        } else if (period == 9)
                period = 10;    /* if resetting DT, period must be >= 25ns */