diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fp.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fp.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index 685e6f391fe4..7d2d424bc8d0 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -170,6 +170,7 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance) struct MR_FW_RAID_MAP_ALL *fw_map_old = NULL; struct MR_FW_RAID_MAP *pFwRaidMap = NULL; int i; + u16 ld_count; struct MR_DRV_RAID_MAP_ALL *drv_map = @@ -183,14 +184,16 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance) /* New Raid map will not set totalSize, so keep expected value * for legacy code in ValidateMapInfo */ - pDrvRaidMap->totalSize = sizeof(struct MR_FW_RAID_MAP_EXT); + pDrvRaidMap->totalSize = + cpu_to_le32(sizeof(struct MR_FW_RAID_MAP_EXT)); } else { fw_map_old = (struct MR_FW_RAID_MAP_ALL *) fusion->ld_map[(instance->map_id & 1)]; pFwRaidMap = &fw_map_old->raidMap; + ld_count = (u16)le32_to_cpu(pFwRaidMap->ldCount); #if VD_EXT_DEBUG - for (i = 0; i < pFwRaidMap->ldCount; i++) { + for (i = 0; i < ld_count; i++) { dev_dbg(&instance->pdev->dev, "(%d) :Index 0x%x " "Target Id 0x%x Seq Num 0x%x Size 0/%llx\n", instance->unique_id, i, @@ -202,12 +205,15 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance) memset(drv_map, 0, fusion->drv_map_sz); pDrvRaidMap->totalSize = pFwRaidMap->totalSize; - pDrvRaidMap->ldCount = pFwRaidMap->ldCount; + pDrvRaidMap->ldCount = (__le16)cpu_to_le16(ld_count); pDrvRaidMap->fpPdIoTimeoutSec = pFwRaidMap->fpPdIoTimeoutSec; for (i = 0; i < MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS; i++) pDrvRaidMap->ldTgtIdToLd[i] = (u8)pFwRaidMap->ldTgtIdToLd[i]; - for (i = 0; i < pDrvRaidMap->ldCount; i++) { + for (i = (MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS); + i < MAX_LOGICAL_DRIVES_EXT; i++) + pDrvRaidMap->ldTgtIdToLd[i] = 0xff; + for (i = 0; i < ld_count; i++) { pDrvRaidMap->ldSpanMap[i] = pFwRaidMap->ldSpanMap[i]; #if VD_EXT_DEBUG dev_dbg(&instance->pdev->dev, @@ -249,7 +255,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance) struct LD_LOAD_BALANCE_INFO *lbInfo; PLD_SPAN_INFO ldSpanInfo; struct MR_LD_RAID *raid; - int ldCount, num_lds; + u16 ldCount, num_lds; u16 ld; u32 expected_size; @@ -268,7 +274,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance) else expected_size = (sizeof(struct MR_FW_RAID_MAP) - sizeof(struct MR_LD_SPAN_MAP) + - (sizeof(struct MR_LD_SPAN_MAP) * le32_to_cpu(pDrvRaidMap->ldCount))); + (sizeof(struct MR_LD_SPAN_MAP) * le16_to_cpu(pDrvRaidMap->ldCount))); if (le32_to_cpu(pDrvRaidMap->totalSize) != expected_size) { dev_err(&instance->pdev->dev, "map info structure size 0x%x is not matching with ld count\n", @@ -284,7 +290,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance) mr_update_load_balance_params(drv_map, lbInfo); - num_lds = le32_to_cpu(drv_map->raidMap.ldCount); + num_lds = le16_to_cpu(drv_map->raidMap.ldCount); /*Convert Raid capability values to CPU arch */ for (ldCount = 0; ldCount < num_lds; ldCount++) { @@ -353,7 +359,7 @@ static int getSpanInfo(struct MR_DRV_RAID_MAP_ALL *map, for (ldCount = 0; ldCount < MAX_LOGICAL_DRIVES_EXT; ldCount++) { ld = MR_TargetIdToLdGet(ldCount, map); - if (ld >= MAX_LOGICAL_DRIVES_EXT) + if (ld >= (MAX_LOGICAL_DRIVES_EXT - 1)) continue; raid = MR_LdRaidGet(ld, map); dev_dbg(&instance->pdev->dev, "LD %x: span_depth=%x\n", @@ -457,7 +463,7 @@ u32 mr_spanset_get_span_block(struct megasas_instance *instance, quad = &map->raidMap.ldSpanMap[ld]. spanBlock[span]. block_span_info.quad[info]; - if (le32_to_cpu(quad->diff == 0)) + if (le32_to_cpu(quad->diff) == 0) return SPAN_INVALID; if (le64_to_cpu(quad->logStart) <= row && row <= le64_to_cpu(quad->logEnd) && @@ -520,7 +526,7 @@ static u64 get_row_from_strip(struct megasas_instance *instance, span_set->span_row_data_width) * span_set->diff; for (span = 0, span_offset = 0; span < raid->spanDepth; span++) if (le32_to_cpu(map->raidMap.ldSpanMap[ld].spanBlock[span]. - block_span_info.noElements >= info+1)) { + block_span_info.noElements) >= info+1) { if (strip_offset >= span_set->strip_offset[span]) span_offset++; @@ -1154,7 +1160,7 @@ void mr_update_span_set(struct MR_DRV_RAID_MAP_ALL *map, for (ldCount = 0; ldCount < MAX_LOGICAL_DRIVES_EXT; ldCount++) { ld = MR_TargetIdToLdGet(ldCount, map); - if (ld >= MAX_LOGICAL_DRIVES_EXT) + if (ld >= (MAX_LOGICAL_DRIVES_EXT - 1)) continue; raid = MR_LdRaidGet(ld, map); for (element = 0; element < MAX_QUAD_DEPTH; element++) { |