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authorMatthew Wilcox <matthew@wil.cx>2007-09-09 08:56:27 -0600
committerJames Bottomley <jejb@mulgrave.localdomain>2007-10-12 14:47:29 -0400
commita9f4a59a949c5de6313dcf4ebe2f91448c008a37 (patch)
treea5d87ecb9a30af36f7a26ab48159694d95b7d929 /drivers/scsi/advansys.c
parentb8e5152bf107d7b1b982e682b00a426b515bf15f (diff)
[SCSI] advansys: Create AdvBuildCarrierFreelist
Split AdvBuildCarrierFreelist out of AdvInitAsc3550Driver, AdvInitAsc38C0800Driver and AdvInitAsc38C1600Driver. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/advansys.c')
-rw-r--r--drivers/scsi/advansys.c219
1 files changed, 53 insertions, 166 deletions
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 27b3e95c4e66..c216d6a76782 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -12881,6 +12881,56 @@ AdvInitGetConfig(struct pci_dev *pdev, ADV_DVC_VAR *asc_dvc)
return warn_code;
}
+static void AdvBuildCarrierFreelist(struct adv_dvc_var *asc_dvc)
+{
+ ADV_CARR_T *carrp;
+ ADV_SDCNT buf_size;
+ ADV_PADDR carr_paddr;
+
+ BUG_ON(!asc_dvc->carrier_buf);
+
+ carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf);
+ asc_dvc->carr_freelist = NULL;
+ if (carrp == asc_dvc->carrier_buf) {
+ buf_size = ADV_CARRIER_BUFSIZE;
+ } else {
+ buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T);
+ }
+
+ do {
+ /* Get physical address of the carrier 'carrp'. */
+ ADV_DCNT contig_len = sizeof(ADV_CARR_T);
+ carr_paddr = cpu_to_le32(DvcGetPhyAddr(asc_dvc, NULL,
+ (uchar *)carrp,
+ (ADV_SDCNT *)&contig_len,
+ ADV_IS_CARRIER_FLAG));
+
+ buf_size -= sizeof(ADV_CARR_T);
+
+ /*
+ * If the current carrier is not physically contiguous, then
+ * maybe there was a page crossing. Try the next carrier
+ * aligned start address.
+ */
+ if (contig_len < sizeof(ADV_CARR_T)) {
+ carrp++;
+ continue;
+ }
+
+ carrp->carr_pa = carr_paddr;
+ carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp));
+
+ /*
+ * Insert the carrier at the beginning of the freelist.
+ */
+ carrp->next_vpa =
+ cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
+ asc_dvc->carr_freelist = carrp;
+
+ carrp++;
+ } while (buf_size > 0);
+}
+
/*
* Initialize the ASC-3550.
*
@@ -12902,10 +12952,6 @@ static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
int word;
int j;
int adv_asc3550_expanded_size;
- ADV_CARR_T *carrp;
- ADV_DCNT contig_len;
- ADV_SDCNT buf_size;
- ADV_PADDR carr_paddr;
int i;
ushort scsi_cfg1;
uchar tid;
@@ -13307,57 +13353,7 @@ static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
- /*
- * Build carrier freelist.
- *
- * Driver must have already allocated memory and set 'carrier_buf'.
- */
- ASC_ASSERT(asc_dvc->carrier_buf != NULL);
-
- carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf);
- asc_dvc->carr_freelist = NULL;
- if (carrp == (ADV_CARR_T *) asc_dvc->carrier_buf) {
- buf_size = ADV_CARRIER_BUFSIZE;
- } else {
- buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T);
- }
-
- do {
- /*
- * Get physical address of the carrier 'carrp'.
- */
- contig_len = sizeof(ADV_CARR_T);
- carr_paddr =
- cpu_to_le32(DvcGetPhyAddr
- (asc_dvc, NULL, (uchar *)carrp,
- (ADV_SDCNT *)&contig_len,
- ADV_IS_CARRIER_FLAG));
-
- buf_size -= sizeof(ADV_CARR_T);
-
- /*
- * If the current carrier is not physically contiguous, then
- * maybe there was a page crossing. Try the next carrier aligned
- * start address.
- */
- if (contig_len < sizeof(ADV_CARR_T)) {
- carrp++;
- continue;
- }
-
- carrp->carr_pa = carr_paddr;
- carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp));
-
- /*
- * Insert the carrier at the beginning of the freelist.
- */
- carrp->next_vpa =
- cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
- asc_dvc->carr_freelist = carrp;
-
- carrp++;
- }
- while (buf_size > 0);
+ AdvBuildCarrierFreelist(asc_dvc);
/*
* Set-up the Host->RISC Initiator Command Queue (ICQ).
@@ -13471,10 +13467,6 @@ static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
int word;
int j;
int adv_asc38C0800_expanded_size;
- ADV_CARR_T *carrp;
- ADV_DCNT contig_len;
- ADV_SDCNT buf_size;
- ADV_PADDR carr_paddr;
int i;
ushort scsi_cfg1;
uchar byte;
@@ -13920,57 +13912,7 @@ static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
- /*
- * Build the carrier freelist.
- *
- * Driver must have already allocated memory and set 'carrier_buf'.
- */
- ASC_ASSERT(asc_dvc->carrier_buf != NULL);
-
- carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf);
- asc_dvc->carr_freelist = NULL;
- if (carrp == (ADV_CARR_T *) asc_dvc->carrier_buf) {
- buf_size = ADV_CARRIER_BUFSIZE;
- } else {
- buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T);
- }
-
- do {
- /*
- * Get physical address for the carrier 'carrp'.
- */
- contig_len = sizeof(ADV_CARR_T);
- carr_paddr =
- cpu_to_le32(DvcGetPhyAddr
- (asc_dvc, NULL, (uchar *)carrp,
- (ADV_SDCNT *)&contig_len,
- ADV_IS_CARRIER_FLAG));
-
- buf_size -= sizeof(ADV_CARR_T);
-
- /*
- * If the current carrier is not physically contiguous, then
- * maybe there was a page crossing. Try the next carrier aligned
- * start address.
- */
- if (contig_len < sizeof(ADV_CARR_T)) {
- carrp++;
- continue;
- }
-
- carrp->carr_pa = carr_paddr;
- carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp));
-
- /*
- * Insert the carrier at the beginning of the freelist.
- */
- carrp->next_vpa =
- cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
- asc_dvc->carr_freelist = carrp;
-
- carrp++;
- }
- while (buf_size > 0);
+ AdvBuildCarrierFreelist(asc_dvc);
/*
* Set-up the Host->RISC Initiator Command Queue (ICQ).
@@ -14087,10 +14029,6 @@ static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
long word;
int j;
int adv_asc38C1600_expanded_size;
- ADV_CARR_T *carrp;
- ADV_DCNT contig_len;
- ADV_SDCNT buf_size;
- ADV_PADDR carr_paddr;
int i;
ushort scsi_cfg1;
uchar byte;
@@ -14544,58 +14482,7 @@ static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));
- /*
- * Build the carrier freelist.
- *
- * Driver must have already allocated memory and set 'carrier_buf'.
- */
-
- ASC_ASSERT(asc_dvc->carrier_buf != NULL);
-
- carrp = (ADV_CARR_T *) ADV_16BALIGN(asc_dvc->carrier_buf);
- asc_dvc->carr_freelist = NULL;
- if (carrp == (ADV_CARR_T *) asc_dvc->carrier_buf) {
- buf_size = ADV_CARRIER_BUFSIZE;
- } else {
- buf_size = ADV_CARRIER_BUFSIZE - sizeof(ADV_CARR_T);
- }
-
- do {
- /*
- * Get physical address for the carrier 'carrp'.
- */
- contig_len = sizeof(ADV_CARR_T);
- carr_paddr =
- cpu_to_le32(DvcGetPhyAddr
- (asc_dvc, NULL, (uchar *)carrp,
- (ADV_SDCNT *)&contig_len,
- ADV_IS_CARRIER_FLAG));
-
- buf_size -= sizeof(ADV_CARR_T);
-
- /*
- * If the current carrier is not physically contiguous, then
- * maybe there was a page crossing. Try the next carrier aligned
- * start address.
- */
- if (contig_len < sizeof(ADV_CARR_T)) {
- carrp++;
- continue;
- }
-
- carrp->carr_pa = carr_paddr;
- carrp->carr_va = cpu_to_le32(ADV_VADDR_TO_U32(carrp));
-
- /*
- * Insert the carrier at the beginning of the freelist.
- */
- carrp->next_vpa =
- cpu_to_le32(ADV_VADDR_TO_U32(asc_dvc->carr_freelist));
- asc_dvc->carr_freelist = carrp;
-
- carrp++;
- }
- while (buf_size > 0);
+ AdvBuildCarrierFreelist(asc_dvc);
/*
* Set-up the Host->RISC Initiator Command Queue (ICQ).