* DEC FDDIcontroller/EISA (DEFEA)
* DEC FDDIcontroller/PCI (DEFPA)
*
- * Maintainers:
- * LVS Lawrence V. Stefani
- *
- * Contact:
- * The author may be reached at:
+ * The original author:
+ * LVS Lawrence V. Stefani <lstefani@yahoo.com>
*
- * Inet: stefani@lkg.dec.com
- * (NOTE! this address no longer works -jgarzik)
- *
- * Mail: Digital Equipment Corporation
- * 550 King Street
- * M/S: LKG1-3/M07
- * Littleton, MA 01460
+ * Maintainers:
+ * macro Maciej W. Rozycki <macro@ds2.pg.gda.pl>
*
* Credits:
* I'd like to thank Patricia Cross for helping me get started with
* Sep 2000 tjeerd Fix leak on unload, cosmetic code cleanup
* Feb 2001 Skb allocation fixes
* Feb 2001 davej PCI enable cleanups.
+ * 04 Aug 2003 macro Converted to the DMA API.
*/
-#error Please convert me to Documentation/DMA-mapping.txt
-
/* Include files */
#include <linux/module.h>
/* Version information string - should be updated prior to each new release!!! */
static char version[] __devinitdata =
- "defxx.c:v1.05e 2001/02/03 Lawrence V. Stefani and others\n";
+ "defxx.c:v1.06 2003/08/04 Lawrence V. Stefani and others\n";
#define DYNAMIC_BUFFERS 1
{
struct net_device *dev;
DFX_board_t *bp; /* board pointer */
+ int alloc_size; /* total buffer size used */
int err;
#ifndef MODULE
return 0;
err_out_kfree:
- if (bp->kmalloced) kfree(bp->kmalloced);
+ alloc_size = sizeof(PI_DESCR_BLOCK) +
+ PI_CMD_REQ_K_SIZE_MAX + PI_CMD_RSP_K_SIZE_MAX +
+#ifndef DYNAMIC_BUFFERS
+ (bp->rcv_bufs_to_post * PI_RCV_DATA_K_SIZE_MAX) +
+#endif
+ sizeof(PI_CONSUMER_BLOCK) +
+ (PI_ALIGN_K_DESC_BLK - 1);
+ if (bp->kmalloced)
+ pci_free_consistent(pdev, alloc_size,
+ bp->kmalloced, bp->kmalloced_dma);
err_out_region:
release_region(ioaddr, pdev ? PFI_K_CSR_IO_LEN : PI_ESIC_K_CSR_IO_LEN);
err_out:
* or read adapter MAC address
*
* Assumptions:
- * Memory allocated from kmalloc() call is physically contiguous, locked
- * memory whose physical address equals its virtual address.
+ * Memory allocated from pci_alloc_consistent() call is physically
+ * contiguous, locked memory.
*
* Side Effects:
* Adapter is reset and should be in DMA_UNAVAILABLE state before
DFX_board_t *bp = dev->priv;
int alloc_size; /* total buffer size needed */
char *top_v, *curr_v; /* virtual addrs into memory block */
- u32 top_p, curr_p; /* physical addrs into memory block */
+ dma_addr_t top_p, curr_p; /* physical addrs into memory block */
u32 data; /* host data register value */
DBG_printk("In dfx_driver_init...\n");
#endif
sizeof(PI_CONSUMER_BLOCK) +
(PI_ALIGN_K_DESC_BLK - 1);
- bp->kmalloced = top_v = (char *) kmalloc(alloc_size, GFP_KERNEL);
+ bp->kmalloced = top_v = pci_alloc_consistent(bp->pci_dev, alloc_size,
+ &bp->kmalloced_dma);
if (top_v == NULL)
{
printk("%s: Could not allocate memory for host buffers and structures!\n", dev->name);
return(DFX_K_FAILURE);
}
memset(top_v, 0, alloc_size); /* zero out memory before continuing */
- top_p = virt_to_bus(top_v); /* get physical address of buffer */
+ top_p = bp->kmalloced_dma; /* get physical address of buffer */
/*
* To guarantee the 8K alignment required for the descriptor block, 8K - 1
* for allocating the needed memory.
*/
- curr_p = (u32) (ALIGN(top_p, PI_ALIGN_K_DESC_BLK));
+ curr_p = ALIGN(top_p, PI_ALIGN_K_DESC_BLK);
curr_v = top_v + (curr_p - top_p);
/* Reserve space for descriptor block */
*/
my_skb_align(newskb, 128);
- bp->descr_block_virt->rcv_data[i+j].long_1 = virt_to_bus(newskb->data);
+ bp->descr_block_virt->rcv_data[i + j].long_1 =
+ (u32)pci_map_single(bp->pci_dev, newskb->data,
+ NEW_SKB_SIZE,
+ PCI_DMA_FROMDEVICE);
/*
* p_rcv_buff_va is only used inside the
* kernel so we put the skb pointer here.
my_skb_align(newskb, 128);
skb = (struct sk_buff *)bp->p_rcv_buff_va[entry];
+ pci_unmap_single(bp->pci_dev,
+ bp->descr_block_virt->rcv_data[entry].long_1,
+ NEW_SKB_SIZE,
+ PCI_DMA_FROMDEVICE);
skb_reserve(skb, RCV_BUFF_K_PADDING);
bp->p_rcv_buff_va[entry] = (char *)newskb;
- bp->descr_block_virt->rcv_data[entry].long_1 = virt_to_bus(newskb->data);
+ bp->descr_block_virt->rcv_data[entry].long_1 =
+ (u32)pci_map_single(bp->pci_dev,
+ newskb->data,
+ NEW_SKB_SIZE,
+ PCI_DMA_FROMDEVICE);
} else
skb = NULL;
} else
* is contained in a single physically contiguous buffer
* in which the virtual address of the start of packet
* (skb->data) can be converted to a physical address
- * by using virt_to_bus().
+ * by using pci_map_single().
*
* Since the adapter architecture requires a three byte
* packet request header to prepend the start of packet,
* skb->data.
* 6. The physical address of the start of packet
* can be determined from the virtual address
- * by using virt_to_bus() and is only 32-bits
+ * by using pci_map_single() and is only 32-bits
* wide.
*/
p_xmt_descr->long_0 = (u32) (PI_XMT_DESCR_M_SOP | PI_XMT_DESCR_M_EOP | ((skb->len) << PI_XMT_DESCR_V_SEG_LEN));
- p_xmt_descr->long_1 = (u32) virt_to_bus(skb->data);
+ p_xmt_descr->long_1 = (u32)pci_map_single(bp->pci_dev, skb->data,
+ skb->len, PCI_DMA_TODEVICE);
/*
* Verify that descriptor is actually available
{
XMT_DRIVER_DESCR *p_xmt_drv_descr; /* ptr to transmit driver descriptor */
PI_TYPE_2_CONSUMER *p_type_2_cons; /* ptr to rcv/xmt consumer block register */
+ u8 comp; /* local transmit completion index */
int freed = 0; /* buffers freed */
/* Service all consumed transmit frames */
bp->xmt_total_bytes += p_xmt_drv_descr->p_skb->len;
/* Return skb to operating system */
-
+ comp = bp->rcv_xmt_reg.index.xmt_comp;
+ pci_unmap_single(bp->pci_dev,
+ bp->descr_block_virt->xmt_data[comp].long_1,
+ p_xmt_drv_descr->p_skb->len,
+ PCI_DMA_TODEVICE);
dev_kfree_skb_irq(p_xmt_drv_descr->p_skb);
/*
{
u32 prod_cons; /* rcv/xmt consumer block longword */
XMT_DRIVER_DESCR *p_xmt_drv_descr; /* ptr to transmit driver descriptor */
+ u8 comp; /* local transmit completion index */
/* Flush all outstanding transmit frames */
p_xmt_drv_descr = &(bp->xmt_drv_descr_blk[bp->rcv_xmt_reg.index.xmt_comp]);
/* Return skb to operating system */
-
+ comp = bp->rcv_xmt_reg.index.xmt_comp;
+ pci_unmap_single(bp->pci_dev,
+ bp->descr_block_virt->xmt_data[comp].long_1,
+ p_xmt_drv_descr->p_skb->len,
+ PCI_DMA_TODEVICE);
dev_kfree_skb(p_xmt_drv_descr->p_skb);
/* Increment transmit error counter */
static void __devexit dfx_remove_one_pci_or_eisa(struct pci_dev *pdev, struct net_device *dev)
{
- DFX_board_t *bp = dev->priv;
+ DFX_board_t *bp = dev->priv;
+ int alloc_size; /* total buffer size used */
unregister_netdev(dev);
release_region(dev->base_addr, pdev ? PFI_K_CSR_IO_LEN : PI_ESIC_K_CSR_IO_LEN );
- if (bp->kmalloced) kfree(bp->kmalloced);
+
+ alloc_size = sizeof(PI_DESCR_BLOCK) +
+ PI_CMD_REQ_K_SIZE_MAX + PI_CMD_RSP_K_SIZE_MAX +
+#ifndef DYNAMIC_BUFFERS
+ (bp->rcv_bufs_to_post * PI_RCV_DATA_K_SIZE_MAX) +
+#endif
+ sizeof(PI_CONSUMER_BLOCK) +
+ (PI_ALIGN_K_DESC_BLK - 1);
+ if (bp->kmalloced)
+ pci_free_consistent(pdev, alloc_size, bp->kmalloced,
+ bp->kmalloced_dma);
kfree(dev);
}
* Contains all definitions specified by port specification and required
* by the defxx.c driver.
*
- * Maintainers:
- * LVS Lawrence V. Stefani
- *
- * Contact:
- * The author may be reached at:
+ * The original author:
+ * LVS Lawrence V. Stefani <lstefani@yahoo.com>
*
- * Inet: stefani@lkg.dec.com
- * Mail: Digital Equipment Corporation
- * 550 King Street
- * M/S: LKG1-3/M07
- * Littleton, MA 01460
+ * Maintainers:
+ * macro Maciej W. Rozycki <macro@ds2.pg.gda.pl>
*
* Modification History:
* Date Name Description
* 09-Sep-96 LVS Added group_prom field. Moved read/write I/O
* macros to DEFXX.C.
* 12-Sep-96 LVS Removed packet request header pointers.
+ * 04 Aug 2003 macro Converted to the DMA API.
*/
#ifndef _DEFXX_H_
{
/* Keep virtual and physical pointers to locked, physically contiguous memory */
- char *kmalloced; /* kfree this on unload */
+ char *kmalloced; /* pci_free_consistent this on unload */
+ dma_addr_t kmalloced_dma;
+ /* DMA handle for the above */
PI_DESCR_BLOCK *descr_block_virt; /* PDQ descriptor block virt address */
- u32 descr_block_phys; /* PDQ descriptor block phys address */
+ dma_addr_t descr_block_phys; /* PDQ descriptor block phys address */
PI_DMA_CMD_REQ *cmd_req_virt; /* Command request buffer virt address */
- u32 cmd_req_phys; /* Command request buffer phys address */
+ dma_addr_t cmd_req_phys; /* Command request buffer phys address */
PI_DMA_CMD_RSP *cmd_rsp_virt; /* Command response buffer virt address */
- u32 cmd_rsp_phys; /* Command response buffer phys address */
+ dma_addr_t cmd_rsp_phys; /* Command response buffer phys address */
char *rcv_block_virt; /* LLC host receive queue buf blk virt */
- u32 rcv_block_phys; /* LLC host receive queue buf blk phys */
+ dma_addr_t rcv_block_phys; /* LLC host receive queue buf blk phys */
PI_CONSUMER_BLOCK *cons_block_virt; /* PDQ consumer block virt address */
- u32 cons_block_phys; /* PDQ consumer block phys address */
+ dma_addr_t cons_block_phys; /* PDQ consumer block phys address */
/* Keep local copies of Type 1 and Type 2 register data */
projects / history.git / commitdiff