From 7860a48686ff3a4d2ef9ed52d16c406b25148ba0 Mon Sep 17 00:00:00 2001 From: Ching Huang Date: Wed, 19 Dec 2018 16:34:58 +0800 Subject: scsi: arcmsr: Update arcmsr_alloc_ccb_pool for ccb buffer address above 4GB From Ching Huang Update arcmsr_alloc_ccb_pool for ccb buffer address above 4GB Signed-off-by: Ching Huang Signed-off-by: Martin K. Petersen --- drivers/scsi/arcmsr/arcmsr.h | 9 +++++---- drivers/scsi/arcmsr/arcmsr_hba.c | 19 ++++++++++++++----- 2 files changed, 19 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 256fe9a3ae1e..9041edc1af16 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -747,6 +747,7 @@ struct AdapterControlBlock uint32_t outbound_int_enable; uint32_t cdb_phyaddr_hi32; uint32_t reg_mu_acc_handle0; + uint64_t cdb_phyadd_hipart; spinlock_t eh_lock; spinlock_t ccblist_lock; spinlock_t postq_lock; @@ -855,11 +856,11 @@ struct AdapterControlBlock ******************************************************************************* */ struct CommandControlBlock{ - /*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ + /*x32:sizeof struct_CCB=(64+60)byte, x64:sizeof struct_CCB=(64+60)byte*/ struct list_head list; /*x32: 8byte, x64: 16byte*/ struct scsi_cmnd *pcmd; /*8 bytes pointer of linux scsi command */ struct AdapterControlBlock *acb; /*x32: 4byte, x64: 8byte*/ - uint32_t cdb_phyaddr; /*x32: 4byte, x64: 4byte*/ + unsigned long cdb_phyaddr; /*x32: 4byte, x64: 8byte*/ uint32_t arc_cdb_size; /*x32:4byte,x64:4byte*/ uint16_t ccb_flags; /*x32: 2byte, x64: 2byte*/ #define CCB_FLAG_READ 0x0000 @@ -875,10 +876,10 @@ struct CommandControlBlock{ uint32_t smid; #if BITS_PER_LONG == 64 /* ======================512+64 bytes======================== */ - uint32_t reserved[4]; /*16 byte*/ + uint32_t reserved[3]; /*12 byte*/ #else /* ======================512+32 bytes======================== */ - // uint32_t reserved; /*4 byte*/ + uint32_t reserved[8]; /*32 byte*/ #endif /* ======================================================= */ struct ARCMSR_CDB arcmsr_cdb; diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index e1c75ca71753..5353dbbcb629 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -694,11 +694,11 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) dma_addr_t dma_coherent_handle; struct CommandControlBlock *ccb_tmp; int i = 0, j = 0; - dma_addr_t cdb_phyaddr; + unsigned long cdb_phyaddr, next_ccb_phy; unsigned long roundup_ccbsize; unsigned long max_xfer_len; unsigned long max_sg_entrys; - uint32_t firm_config_version; + uint32_t firm_config_version, curr_phy_upper32; for (i = 0; i < ARCMSR_MAX_TARGETID; i++) for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) @@ -726,9 +726,10 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) memset(dma_coherent, 0, acb->uncache_size); acb->ccbsize = roundup_ccbsize; ccb_tmp = dma_coherent; + curr_phy_upper32 = upper_32_bits(dma_coherent_handle); acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; for(i = 0; i < acb->maxFreeCCB; i++){ - cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); + cdb_phyaddr = (unsigned long)dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: case ACB_ADAPTER_TYPE_B: @@ -744,9 +745,16 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) ccb_tmp->acb = acb; ccb_tmp->smid = (u32)i << 16; INIT_LIST_HEAD(&ccb_tmp->list); - list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); + next_ccb_phy = dma_coherent_handle + roundup_ccbsize; + if (upper_32_bits(next_ccb_phy) != curr_phy_upper32) { + acb->maxFreeCCB = i; + acb->host->can_queue = i; + break; + } + else + list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); - dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; + dma_coherent_handle = next_ccb_phy; } acb->dma_coherent_handle2 = dma_coherent_handle; acb->dma_coherent2 = ccb_tmp; @@ -3701,6 +3709,7 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) cdb_phyaddr = lower_32_bits(dma_coherent_handle); cdb_phyaddr_hi32 = upper_32_bits(dma_coherent_handle); acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32; + acb->cdb_phyadd_hipart = ((uint64_t)cdb_phyaddr_hi32) << 32; /* *********************************************************************** ** if adapter type B, set window of "post command Q" -- cgit v1.2.3