mirror of
https://github.com/torvalds/linux.git
synced 2024-12-04 18:13:04 +00:00
[SCSI] aic79xx: Use struct map_node
Use struct map_node instead of separate variables. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Hannes Reinecke
James Bottomley
parent
5e46631b04
commit
66a0683e46
@ -37,7 +37,7 @@
|
||||
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGES.
|
||||
*
|
||||
* $Id: //depot/aic7xxx/aic7xxx/aic79xx.h#95 $
|
||||
* $Id: //depot/aic7xxx/aic7xxx/aic79xx.h#108 $
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
@ -1062,6 +1062,7 @@ struct ahd_softc {
|
||||
struct scb_data scb_data;
|
||||
|
||||
struct hardware_scb *next_queued_hscb;
|
||||
struct map_node *next_queued_hscb_map;
|
||||
|
||||
/*
|
||||
* SCBs that have been sent to the controller
|
||||
@ -1140,10 +1141,6 @@ struct ahd_softc {
|
||||
ahd_flag flags;
|
||||
struct seeprom_config *seep_config;
|
||||
|
||||
/* Values to store in the SEQCTL register for pause and unpause */
|
||||
uint8_t unpause;
|
||||
uint8_t pause;
|
||||
|
||||
/* Command Queues */
|
||||
uint16_t qoutfifonext;
|
||||
uint16_t qoutfifonext_valid_tag;
|
||||
@ -1151,6 +1148,17 @@ struct ahd_softc {
|
||||
uint16_t qinfifo[AHD_SCB_MAX];
|
||||
uint16_t *qoutfifo;
|
||||
|
||||
/*
|
||||
* Our qfreeze count. The sequencer compares
|
||||
* this value with its own counter to determine
|
||||
* whether to allow selections to occur.
|
||||
*/
|
||||
uint16_t qfreeze_cnt;
|
||||
|
||||
/* Values to store in the SEQCTL register for pause and unpause */
|
||||
uint8_t unpause;
|
||||
uint8_t pause;
|
||||
|
||||
/* Critical Section Data */
|
||||
struct cs *critical_sections;
|
||||
u_int num_critical_sections;
|
||||
@ -1197,8 +1205,7 @@ struct ahd_softc {
|
||||
*/
|
||||
bus_dma_tag_t parent_dmat;
|
||||
bus_dma_tag_t shared_data_dmat;
|
||||
bus_dmamap_t shared_data_dmamap;
|
||||
dma_addr_t shared_data_busaddr;
|
||||
struct map_node shared_data_map;
|
||||
|
||||
/* Information saved through suspend/resume cycles */
|
||||
struct ahd_suspend_state suspend_state;
|
||||
@ -1296,9 +1303,9 @@ struct ahd_devinfo {
|
||||
};
|
||||
|
||||
/****************************** PCI Structures ********************************/
|
||||
#define AHD_PCI_IOADDR0 PCIR_MAPS /* I/O BAR*/
|
||||
#define AHD_PCI_MEMADDR (PCIR_MAPS + 4) /* Memory BAR */
|
||||
#define AHD_PCI_IOADDR1 (PCIR_MAPS + 12)/* Second I/O BAR */
|
||||
#define AHD_PCI_IOADDR0 PCIR_BAR(0) /* I/O BAR*/
|
||||
#define AHD_PCI_MEMADDR PCIR_BAR(1) /* Memory BAR */
|
||||
#define AHD_PCI_IOADDR1 PCIR_BAR(3) /* Second I/O BAR */
|
||||
|
||||
typedef int (ahd_device_setup_t)(struct ahd_softc *);
|
||||
|
||||
|
||||
@ -5203,13 +5203,13 @@ ahd_free(struct ahd_softc *ahd)
|
||||
/* FALLTHROUGH */
|
||||
case 4:
|
||||
ahd_dmamap_unload(ahd, ahd->shared_data_dmat,
|
||||
ahd->shared_data_dmamap);
|
||||
ahd->shared_data_map.dmamap);
|
||||
/* FALLTHROUGH */
|
||||
case 3:
|
||||
ahd_dmamem_free(ahd, ahd->shared_data_dmat, ahd->qoutfifo,
|
||||
ahd->shared_data_dmamap);
|
||||
ahd->shared_data_map.dmamap);
|
||||
ahd_dmamap_destroy(ahd, ahd->shared_data_dmat,
|
||||
ahd->shared_data_dmamap);
|
||||
ahd->shared_data_map.dmamap);
|
||||
/* FALLTHROUGH */
|
||||
case 2:
|
||||
ahd_dma_tag_destroy(ahd, ahd->shared_data_dmat);
|
||||
@ -6088,7 +6088,6 @@ static const char *termstat_strings[] = {
|
||||
int
|
||||
ahd_init(struct ahd_softc *ahd)
|
||||
{
|
||||
uint8_t *base_vaddr;
|
||||
uint8_t *next_vaddr;
|
||||
dma_addr_t next_baddr;
|
||||
size_t driver_data_size;
|
||||
@ -6178,20 +6177,23 @@ ahd_init(struct ahd_softc *ahd)
|
||||
|
||||
/* Allocation of driver data */
|
||||
if (ahd_dmamem_alloc(ahd, ahd->shared_data_dmat,
|
||||
(void **)&base_vaddr,
|
||||
BUS_DMA_NOWAIT, &ahd->shared_data_dmamap) != 0) {
|
||||
(void **)&ahd->shared_data_map.vaddr,
|
||||
BUS_DMA_NOWAIT,
|
||||
&ahd->shared_data_map.dmamap) != 0) {
|
||||
return (ENOMEM);
|
||||
}
|
||||
|
||||
ahd->init_level++;
|
||||
|
||||
/* And permanently map it in */
|
||||
ahd_dmamap_load(ahd, ahd->shared_data_dmat, ahd->shared_data_dmamap,
|
||||
base_vaddr, driver_data_size, ahd_dmamap_cb,
|
||||
&ahd->shared_data_busaddr, /*flags*/0);
|
||||
ahd->qoutfifo = (uint16_t *)base_vaddr;
|
||||
ahd_dmamap_load(ahd, ahd->shared_data_dmat, ahd->shared_data_map.dmamap,
|
||||
ahd->shared_data_map.vaddr, driver_data_size,
|
||||
ahd_dmamap_cb, &ahd->shared_data_map.physaddr,
|
||||
/*flags*/0);
|
||||
ahd->qoutfifo = (uint16_t *)ahd->shared_data_map.vaddr;
|
||||
next_vaddr = (uint8_t *)&ahd->qoutfifo[AHD_QOUT_SIZE];
|
||||
next_baddr = ahd->shared_data_busaddr + AHD_QOUT_SIZE*sizeof(uint16_t);
|
||||
next_baddr = ahd->shared_data_map.physaddr
|
||||
+ AHD_QOUT_SIZE*sizeof(uint16_t);
|
||||
if ((ahd->features & AHD_TARGETMODE) != 0) {
|
||||
ahd->targetcmds = (struct target_cmd *)next_vaddr;
|
||||
next_vaddr += AHD_TMODE_CMDS * sizeof(struct target_cmd);
|
||||
@ -6212,6 +6214,7 @@ ahd_init(struct ahd_softc *ahd)
|
||||
* specially from the DMA safe memory chunk used for the QOUTFIFO.
|
||||
*/
|
||||
ahd->next_queued_hscb = (struct hardware_scb *)next_vaddr;
|
||||
ahd->next_queued_hscb_map = &ahd->shared_data_map;
|
||||
ahd->next_queued_hscb->hscb_busaddr = ahd_htole32(next_baddr);
|
||||
|
||||
ahd->init_level++;
|
||||
@ -6557,12 +6560,13 @@ ahd_chip_init(struct ahd_softc *ahd)
|
||||
/*
|
||||
* The Freeze Count is 0.
|
||||
*/
|
||||
ahd->qfreeze_cnt = 0;
|
||||
ahd_outw(ahd, QFREEZE_COUNT, 0);
|
||||
|
||||
/*
|
||||
* Tell the sequencer where it can find our arrays in memory.
|
||||
*/
|
||||
busaddr = ahd->shared_data_busaddr;
|
||||
busaddr = ahd->shared_data_map.physaddr;
|
||||
ahd_outb(ahd, SHARED_DATA_ADDR, busaddr & 0xFF);
|
||||
ahd_outb(ahd, SHARED_DATA_ADDR + 1, (busaddr >> 8) & 0xFF);
|
||||
ahd_outb(ahd, SHARED_DATA_ADDR + 2, (busaddr >> 16) & 0xFF);
|
||||
@ -9651,7 +9655,7 @@ ahd_run_tqinfifo(struct ahd_softc *ahd, int paused)
|
||||
|
||||
cmd->cmd_valid = 0;
|
||||
ahd_dmamap_sync(ahd, ahd->shared_data_dmat,
|
||||
ahd->shared_data_dmamap,
|
||||
ahd->shared_data_map.dmamap,
|
||||
ahd_targetcmd_offset(ahd, ahd->tqinfifonext),
|
||||
sizeof(struct target_cmd),
|
||||
BUS_DMASYNC_PREREAD);
|
||||
|
||||
@ -37,7 +37,7 @@
|
||||
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGES.
|
||||
*
|
||||
* $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#51 $
|
||||
* $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#58 $
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
@ -522,12 +522,21 @@ do { \
|
||||
static __inline uint16_t
|
||||
ahd_inw(struct ahd_softc *ahd, u_int port)
|
||||
{
|
||||
/*
|
||||
* Read high byte first as some registers increment
|
||||
* or have other side effects when the low byte is
|
||||
* read.
|
||||
*/
|
||||
return ((ahd_inb(ahd, port+1) << 8) | ahd_inb(ahd, port));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
ahd_outw(struct ahd_softc *ahd, u_int port, u_int value)
|
||||
{
|
||||
/*
|
||||
* Write low byte first to accomodate registers
|
||||
* such as PRGMCNT where the order maters.
|
||||
*/
|
||||
ahd_outb(ahd, port, value & 0xFF);
|
||||
ahd_outb(ahd, port+1, (value >> 8) & 0xFF);
|
||||
}
|
||||
@ -684,7 +693,7 @@ ahd_inb_scbram(struct ahd_softc *ahd, u_int offset)
|
||||
* Razor #528
|
||||
*/
|
||||
value = ahd_inb(ahd, offset);
|
||||
if ((ahd->flags & AHD_PCIX_SCBRAM_RD_BUG) != 0)
|
||||
if ((ahd->bugs & AHD_PCIX_SCBRAM_RD_BUG) != 0)
|
||||
ahd_inb(ahd, MODE_PTR);
|
||||
return (value);
|
||||
}
|
||||
@ -727,7 +736,8 @@ ahd_lookup_scb(struct ahd_softc *ahd, u_int tag)
|
||||
static __inline void
|
||||
ahd_swap_with_next_hscb(struct ahd_softc *ahd, struct scb *scb)
|
||||
{
|
||||
struct hardware_scb *q_hscb;
|
||||
struct hardware_scb *q_hscb;
|
||||
struct map_node *q_hscb_map;
|
||||
uint32_t saved_hscb_busaddr;
|
||||
|
||||
/*
|
||||
@ -743,6 +753,7 @@ ahd_swap_with_next_hscb(struct ahd_softc *ahd, struct scb *scb)
|
||||
* locate the correct SCB by SCB_TAG.
|
||||
*/
|
||||
q_hscb = ahd->next_queued_hscb;
|
||||
q_hscb_map = ahd->next_queued_hscb_map;
|
||||
saved_hscb_busaddr = q_hscb->hscb_busaddr;
|
||||
memcpy(q_hscb, scb->hscb, sizeof(*scb->hscb));
|
||||
q_hscb->hscb_busaddr = saved_hscb_busaddr;
|
||||
@ -750,7 +761,9 @@ ahd_swap_with_next_hscb(struct ahd_softc *ahd, struct scb *scb)
|
||||
|
||||
/* Now swap HSCB pointers. */
|
||||
ahd->next_queued_hscb = scb->hscb;
|
||||
ahd->next_queued_hscb_map = scb->hscb_map;
|
||||
scb->hscb = q_hscb;
|
||||
scb->hscb_map = q_hscb_map;
|
||||
|
||||
/* Now define the mapping from tag to SCB in the scbindex */
|
||||
ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb;
|
||||
@ -824,8 +837,9 @@ static __inline int ahd_intr(struct ahd_softc *ahd);
|
||||
static __inline void
|
||||
ahd_sync_qoutfifo(struct ahd_softc *ahd, int op)
|
||||
{
|
||||
ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_dmamap,
|
||||
/*offset*/0, /*len*/AHC_SCB_MAX * sizeof(uint16_t), op);
|
||||
ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_map.dmamap,
|
||||
/*offset*/0,
|
||||
/*len*/AHD_SCB_MAX * sizeof(uint16_t), op);
|
||||
}
|
||||
|
||||
static __inline void
|
||||
@ -834,7 +848,7 @@ ahd_sync_tqinfifo(struct ahd_softc *ahd, int op)
|
||||
#ifdef AHD_TARGET_MODE
|
||||
if ((ahd->flags & AHD_TARGETROLE) != 0) {
|
||||
ahd_dmamap_sync(ahd, ahd->shared_data_dmat,
|
||||
ahd->shared_data_dmamap,
|
||||
ahd->shared_data_map.dmamap,
|
||||
ahd_targetcmd_offset(ahd, 0),
|
||||
sizeof(struct target_cmd) * AHD_TMODE_CMDS,
|
||||
op);
|
||||
@ -854,9 +868,9 @@ ahd_check_cmdcmpltqueues(struct ahd_softc *ahd)
|
||||
u_int retval;
|
||||
|
||||
retval = 0;
|
||||
ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_dmamap,
|
||||
/*offset*/ahd->qoutfifonext, /*len*/2,
|
||||
BUS_DMASYNC_POSTREAD);
|
||||
ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_map.dmamap,
|
||||
/*offset*/ahd->qoutfifonext * sizeof(*ahd->qoutfifo),
|
||||
/*len*/sizeof(*ahd->qoutfifo), BUS_DMASYNC_POSTREAD);
|
||||
if ((ahd->qoutfifo[ahd->qoutfifonext]
|
||||
& QOUTFIFO_ENTRY_VALID_LE) == ahd->qoutfifonext_valid_tag)
|
||||
retval |= AHD_RUN_QOUTFIFO;
|
||||
@ -864,7 +878,7 @@ ahd_check_cmdcmpltqueues(struct ahd_softc *ahd)
|
||||
if ((ahd->flags & AHD_TARGETROLE) != 0
|
||||
&& (ahd->flags & AHD_TQINFIFO_BLOCKED) == 0) {
|
||||
ahd_dmamap_sync(ahd, ahd->shared_data_dmat,
|
||||
ahd->shared_data_dmamap,
|
||||
ahd->shared_data_map.dmamap,
|
||||
ahd_targetcmd_offset(ahd, ahd->tqinfifofnext),
|
||||
/*len*/sizeof(struct target_cmd),
|
||||
BUS_DMASYNC_POSTREAD);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user