[SCSI] hpsa: refactor hpsa_figure_bus_target_lun
It should call hpsa_set_bus_target_lun rather than individually setting bus, target and lun. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -1630,35 +1630,30 @@ static int is_msa2xxx(struct ctlr_info *h, struct hpsa_scsi_dev_t *device)
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* in hpsa_find_target_lun, called by hpsa_scsi_add_entry.)
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*/
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static void figure_bus_target_lun(struct ctlr_info *h,
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u8 *lunaddrbytes, int *bus, int *target, int *lun,
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struct hpsa_scsi_dev_t *device)
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u8 *lunaddrbytes, struct hpsa_scsi_dev_t *device)
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{
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u32 lunid;
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u32 lunid = le32_to_cpu(*((__le32 *) lunaddrbytes));
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if (is_logical_dev_addr_mode(lunaddrbytes)) {
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/* logical device */
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lunid = le32_to_cpu(*((__le32 *) lunaddrbytes));
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if (is_msa2xxx(h, device)) {
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/* msa2xxx way, put logicals on bus 1
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* and match target/lun numbers box
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* reports.
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*/
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*bus = 1;
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*target = (lunid >> 16) & 0x3fff;
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*lun = lunid & 0x00ff;
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} else {
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*bus = 0;
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*target = 0;
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*lun = (lunid & 0x3fff);
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}
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} else {
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if (!is_logical_dev_addr_mode(lunaddrbytes)) {
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/* physical device, target and lun filled in later */
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if (is_hba_lunid(lunaddrbytes))
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*bus = 3; /* controller */
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hpsa_set_bus_target_lun(device, 3, 0, lunid & 0x3fff);
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else
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*bus = 2; /* physical device */
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*target = -1;
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*lun = -1; /* we will fill these in later. */
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/* defer target, lun assignment for physical devices */
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hpsa_set_bus_target_lun(device, 2, -1, -1);
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return;
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}
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/* It's a logical device */
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if (is_msa2xxx(h, device)) {
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/* msa2xxx way, put logicals on bus 1
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* and match target/lun numbers box
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* reports, other smart array, bus 0, target 0, match lunid
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*/
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hpsa_set_bus_target_lun(device,
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1, (lunid >> 16) & 0x3fff, lunid & 0x00ff);
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return;
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}
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hpsa_set_bus_target_lun(device, 0, 0, lunid & 0x3fff);
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}
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/*
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@ -1675,12 +1670,11 @@ static void figure_bus_target_lun(struct ctlr_info *h,
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static int add_msa2xxx_enclosure_device(struct ctlr_info *h,
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struct hpsa_scsi_dev_t *tmpdevice,
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struct hpsa_scsi_dev_t *this_device, u8 *lunaddrbytes,
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int bus, int target, int lun, unsigned long lunzerobits[],
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int *nmsa2xxx_enclosures)
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unsigned long lunzerobits[], int *nmsa2xxx_enclosures)
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{
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unsigned char scsi3addr[8];
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if (test_bit(target, lunzerobits))
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if (test_bit(tmpdevice->target, lunzerobits))
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return 0; /* There is already a lun 0 on this target. */
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if (!is_logical_dev_addr_mode(lunaddrbytes))
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@ -1689,11 +1683,11 @@ static int add_msa2xxx_enclosure_device(struct ctlr_info *h,
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if (!is_msa2xxx(h, tmpdevice))
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return 0; /* It's only the MSA2xxx that have this problem. */
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if (lun == 0) /* if lun is 0, then obviously we have a lun 0. */
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if (tmpdevice->lun == 0) /* if lun is 0, then we have a lun 0. */
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return 0;
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memset(scsi3addr, 0, 8);
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scsi3addr[3] = target;
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scsi3addr[3] = tmpdevice->target;
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if (is_hba_lunid(scsi3addr))
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return 0; /* Don't add the RAID controller here. */
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@ -1710,8 +1704,9 @@ static int add_msa2xxx_enclosure_device(struct ctlr_info *h,
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if (hpsa_update_device_info(h, scsi3addr, this_device, NULL))
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return 0;
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(*nmsa2xxx_enclosures)++;
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hpsa_set_bus_target_lun(this_device, bus, target, 0);
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set_bit(target, lunzerobits);
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hpsa_set_bus_target_lun(this_device,
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tmpdevice->bus, tmpdevice->target, 0);
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set_bit(tmpdevice->target, lunzerobits);
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return 1;
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}
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@ -1806,7 +1801,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
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int ncurrent = 0;
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int reportlunsize = sizeof(*physdev_list) + HPSA_MAX_PHYS_LUN * 8;
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int i, nmsa2xxx_enclosures, ndevs_to_allocate;
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int bus, target, lun;
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int raid_ctlr_position;
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DECLARE_BITMAP(lunzerobits, HPSA_MAX_TARGETS_PER_CTLR);
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@ -1871,8 +1865,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
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if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice,
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&is_OBDR))
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continue; /* skip it if we can't talk to it. */
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figure_bus_target_lun(h, lunaddrbytes, &bus, &target, &lun,
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tmpdevice);
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figure_bus_target_lun(h, lunaddrbytes, tmpdevice);
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this_device = currentsd[ncurrent];
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/*
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@ -1883,14 +1876,13 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno)
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* there is no lun 0.
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*/
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if (add_msa2xxx_enclosure_device(h, tmpdevice, this_device,
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lunaddrbytes, bus, target, lun, lunzerobits,
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lunaddrbytes, lunzerobits,
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&nmsa2xxx_enclosures)) {
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ncurrent++;
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this_device = currentsd[ncurrent];
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}
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*this_device = *tmpdevice;
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hpsa_set_bus_target_lun(this_device, bus, target, lun);
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switch (this_device->devtype) {
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case TYPE_ROM:
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