static void ata_new(struct pci_device *pci_device)
{
struct ata_host *host;
/* initialize ata_host and ata_channel structures */
host = alloc_ata_host();
host->pci_device = pci_device;
host->interrupt_line = pci_device->config_space.interrupt_line;
host->channel[0] = ata_new_channel(host);
host->channel[1] = ata_new_channel(host);
pci_device->host = host;
/* initialize primary and secondary channels */
ata_set_cmdblk_handler(host, 0);
ata_set_ctlblk_handler(host, 0);
ata_set_cmdblk_handler(host, 1);
ata_set_ctlblk_handler(host, 1);
/* initialize bus master */
ata_set_bm_handler(host);
/* vendor specific init */
ata_init_vendor(host);
#ifdef VTD_TRANS
// printf("ATA : %x:%x:%x\n",pci_device->address.bus_no ,pci_device->address.device_no ,pci_device->address.func_no) ;
if (iommu_detected) {
u32 *phys ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,host->channel[0]->shadow_prd_phys >> 12,1,PERM_DMA_RO) ;
phys=(u32 *)host->channel[0]->shadow_prd ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,*phys >> 12,ATA_BM_TOTAL_BUFSIZE / PAGESIZE, PERM_DMA_RW) ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,host->channel[1]->shadow_prd_phys >> 12,1,PERM_DMA_RO) ;
phys=(u32 *)host->channel[1]->shadow_prd ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,*phys >> 12,ATA_BM_TOTAL_BUFSIZE / PAGESIZE, PERM_DMA_RW) ;
}
#endif // of VTD_TRANS
return;
}
static void ata_new(struct pci_device *pci_device, bool ahci_flag)
{
struct ata_host *host;
/* initialize ata_host and ata_channel structures */
host = alloc_ata_host();
host->pci_device = pci_device;
host->interrupt_line = pci_device->config_space.interrupt_line;
host->channel[0] = ata_new_channel(host);
host->channel[1] = ata_new_channel(host);
host->hc = NULL;
host->ahci_enabled = false;
STORAGE_HC_ADDR_PCI (host->hc_addr.addr, pci_device);
host->hc_addr.type = STORAGE_HC_TYPE_ATA;
host->hc_addr.num_ports = 2;
host->hc_addr.ncq = false;
spinlock_init (&host->ata_cmd_lock);
LIST1_HEAD_INIT (host->ata_cmd_list);
host->ata_cmd_thread = false;
pci_device->host = host;
/* initialize primary and secondary channels */
ata_set_cmdblk_handler(host, 0);
ata_set_ctlblk_handler(host, 0);
ata_set_cmdblk_handler(host, 1);
ata_set_ctlblk_handler(host, 1);
if (ahci_flag)
host->ahci_data = ahci_new (pci_device);
else
host->ahci_data = NULL;
/* initialize bus master */
ata_set_bm_handler(host);
/* vendor specific init */
ata_init_vendor(host);
if (!host->ahci_enabled)
ata_ahci_mode (pci_device, false);
#ifdef VTD_TRANS
// printf("ATA : %x:%x:%x\n",pci_device->address.bus_no ,pci_device->address.device_no ,pci_device->address.func_no) ;
if (iommu_detected) {
u32 *phys ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,host->channel[0]->shadow_prd_phys >> 12,1,PERM_DMA_RO) ;
phys=(u32 *)host->channel[0]->shadow_prd ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,*phys >> 12,ATA_BM_TOTAL_BUFSIZE / PAGESIZE, PERM_DMA_RW) ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,host->channel[1]->shadow_prd_phys >> 12,1,PERM_DMA_RO) ;
phys=(u32 *)host->channel[1]->shadow_prd ;
add_remap(pci_device->address.bus_no
,pci_device->address.device_no
,pci_device->address.func_no
,*phys >> 12,ATA_BM_TOTAL_BUFSIZE / PAGESIZE, PERM_DMA_RW) ;
}
#endif // of VTD_TRANS
return;
}