#include <hal/ahci/hba.h>
#include <hal/ahci/sata.h>
#include <hal/ahci/scsi.h>
-
#include <hal/pci.h>
+
+#include <asm/x86_pmio.h>
+
#include <klibc/string.h>
#include <lunaix/block.h>
-#include <lunaix/isrm.h>
#include <lunaix/mm/mmio.h>
-#include <lunaix/mm/pmm.h>
#include <lunaix/mm/valloc.h>
-#include <lunaix/mm/vmm.h>
+#include <lunaix/mm/page.h>
#include <lunaix/spike.h>
#include <lunaix/syslog.h>
#define HBA_CLB_SIZE 1024
#define HBA_MY_IE (HBA_PxINTR_DHR | HBA_PxINTR_TFE | HBA_PxINTR_OF)
+#define AHCI_DEVCLASS DEVCLASS(LUNAIX, STORAGE, SATA)
// #define DO_HBA_FULL_RESET
LOG_MODULE("AHCI")
-struct llist_header ahcis;
+static DEFINE_LLIST(ahcis);
static char sata_ifs[][20] = { "Not detected",
"SATA I (1.5Gbps)",
"SATA II (3.0Gbps)",
"SATA III (6.0Gbps)" };
-extern void
-ahci_fsexport(struct block_dev* bdev, void* fs_node);
+static struct devclass ahci_class = AHCI_DEVCLASS;
extern void
-__ahci_hba_isr(const isr_param* param);
+ahci_fsexport(struct block_dev* bdev, void* fs_node);
extern void
__ahci_blkio_handler(struct blkio_req* req);
void
ahci_register_device(struct hba_device* hbadev);
-void*
-ahci_driver_init(struct pci_device* ahci_dev);
-
void
__hba_reset_port(hba_reg_t* port_reg)
{
}
// 如果port未响应，则继续执行重置
port_reg[HBA_RPxSCTL] = (port_reg[HBA_RPxSCTL] & ~0xf) | 1;
- io_delay(100000); //等待至少一毫秒，差不多就行了
+ port_delay(100000); // 等待至少一毫秒，差不多就行了
port_reg[HBA_RPxSCTL] &= ~0xf;
}
-void
-ahci_init()
-{
- llist_init_head(&ahcis);
- pci_add_driver("Serial ATA AHCI", AHCI_HBA_CLASS, 0, 0, ahci_driver_init);
-}
-
-void*
-ahci_driver_init(struct pci_device* ahci_dev)
+struct ahci_driver*
+ahci_driver_init(struct ahci_driver_param* param)
{
- struct pci_base_addr* bar6 = &ahci_dev->bar[5];
- assert_msg(bar6->type & BAR_TYPE_MMIO, "AHCI: BAR#6 is not MMIO.");
-
- pci_reg_t cmd = pci_read_cspace(ahci_dev->cspace_base, PCI_REG_STATUS_CMD);
-
- // 禁用传统中断（因为我们使用MSI），启用MMIO访问，允许PCI设备间访问
- cmd |= (PCI_RCMD_MM_ACCESS | PCI_RCMD_DISABLE_INTR | PCI_RCMD_BUS_MASTER);
-
- pci_write_cspace(ahci_dev->cspace_base, PCI_REG_STATUS_CMD, cmd);
-
- int iv = isrm_ivexalloc(__ahci_hba_isr);
- pci_setup_msi(ahci_dev, iv);
-
struct ahci_driver* ahci_drv = vzalloc(sizeof(*ahci_drv));
struct ahci_hba* hba = &ahci_drv->hba;
- ahci_drv->id = iv;
+ ahci_drv->id = param->irq->vector;
+ irq_set_payload(param->irq, &ahcis);
llist_append(&ahcis, &ahci_drv->ahci_drvs);
- hba->base = (hba_reg_t*)ioremap(bar6->start, bar6->size);
+ hba->base = (hba_reg_t*)ioremap(param->mmio_base, param->mmio_size);
#ifdef DO_HBA_FULL_RESET
// 重置HBA
hba->ports_bmp = pmap;
/* ------ HBA端口配置 ------ */
- uintptr_t clb_pg_addr, fis_pg_addr, clb_pa, fis_pa;
+ ptr_t clb_pg_addr = 0, fis_pg_addr = 0;
+ ptr_t clb_pa = 0, fis_pa = 0;
+
for (size_t i = 0, fisp = 0, clbp = 0; i < 32;
i++, pmap >>= 1, fisp = (fisp + 1) % 16, clbp = (clbp + 1) % 4) {
if (!(pmap & 0x1)) {
__hba_reset_port(port_regs);
#endif
+ struct leaflet* leaflet;
if (!clbp) {
// 每页最多4个命令队列
- clb_pa = pmm_alloc_page(KERNEL_PID, PP_FGLOCKED);
- clb_pg_addr = ioremap(clb_pa, 0x1000);
- memset(clb_pg_addr, 0, 0x1000);
+ leaflet = alloc_leaflet(0);
+ clb_pa = leaflet_addr(leaflet);
+ clb_pg_addr = vmap(leaflet, KERNEL_DATA);
+ memset((void*)clb_pg_addr, 0, 0x1000);
}
if (!fisp) {
// 每页最多16个FIS
- fis_pa = pmm_alloc_page(KERNEL_PID, PP_FGLOCKED);
- fis_pg_addr = ioremap(fis_pa, 0x1000);
- memset(fis_pg_addr, 0, 0x1000);
+ leaflet = alloc_leaflet(0);
+ fis_pa = leaflet_addr(leaflet);
+ fis_pg_addr = vmap(leaflet, KERNEL_DATA);
+ memset((void*)fis_pg_addr, 0, 0x1000);
}
/* 重定向CLB与FIS */
port_regs[HBA_RPxCLB] = clb_pa + clbp * HBA_CLB_SIZE;
port_regs[HBA_RPxFB] = fis_pa + fisp * HBA_FIS_SIZE;
- *port = (struct hba_port){ .regs = port_regs,
- .ssts = port_regs[HBA_RPxSSTS],
- .cmdlst = clb_pg_addr + clbp * HBA_CLB_SIZE,
- .fis = fis_pg_addr + fisp * HBA_FIS_SIZE,
- .hba = hba };
+ *port = (struct hba_port){
+ .regs = port_regs,
+ .ssts = port_regs[HBA_RPxSSTS],
+ .cmdlst = (struct hba_cmdh*)(clb_pg_addr + clbp * HBA_CLB_SIZE),
+ .fis = (void*)(fis_pg_addr + fisp * HBA_FIS_SIZE),
+ .hba = hba
+ };
/* 初始化端口，并置于就绪状态 */
port_regs[HBA_RPxCI] = 0;
port_regs[HBA_RPxCMD] |= HBA_PxCMD_ST;
if (!ahci_init_device(port)) {
- kprintf(KERROR "init fail: 0x%x@p%d\n", port->regs[HBA_RPxSIG], i);
+ ERROR("init fail: 0x%x@p%d", port->regs[HBA_RPxSIG], i);
continue;
}
struct hba_device* hbadev = port->device;
- kprintf(KINFO "sata%d: %s, blk_size=%d, blk=0..%d\n",
+ kprintf(KINFO "sata%d: %s, blk_size=%d, blk=0..%d",
i,
hbadev->model,
hbadev->block_size,
- (uint32_t)hbadev->max_lba);
+ (u32_t)hbadev->max_lba);
ahci_register_device(hbadev);
}
bdev->end_lba = hbadev->max_lba;
bdev->blk_size = hbadev->block_size;
+ bdev->class = &ahci_class;
block_mount(bdev, ahci_fsexport);
}
hba_reg_t pxsact = port->regs[HBA_RPxSACT];
hba_reg_t pxci = port->regs[HBA_RPxCI];
hba_reg_t free_bmp = pxsact | pxci;
- uint32_t i = 0;
+ u32_t i = 0;
for (; i <= port->hba->cmd_slots && (free_bmp & 0x1); i++, free_bmp >>= 1)
;
return i | -(i > port->hba->cmd_slots);
void
sata_create_fis(struct sata_reg_fis* cmd_fis,
- uint8_t command,
- uint64_t lba,
- uint16_t sector_count)
+ u8_t command,
+ lba_t lba,
+ u16_t sector_count)
{
cmd_fis->head.type = SATA_REG_FIS_H2D;
cmd_fis->head.options = SATA_REG_FIS_COMMAND;
int
hba_bind_sbuf(struct hba_cmdh* cmdh, struct hba_cmdt* cmdt, struct membuf mbuf)
{
- assert_msg(mbuf.size <= 0x400000, "HBA: Buffer too big");
+ assert_msg(mbuf.size <= 0x400000U, "HBA: Buffer too big");
cmdh->prdt_len = 1;
- cmdt->entries[0] = (struct hba_prdte){ .data_base = vmm_v2p(mbuf.buffer),
- .byte_count = mbuf.size - 1 };
+ cmdt->entries[0] =
+ (struct hba_prdte){ .data_base = vmm_v2p((ptr_t)mbuf.buffer),
+ .byte_count = mbuf.size - 1 };
+
+ return 0;
}
int
do {
assert_msg(i < HBA_MAX_PRDTE, "HBA: Too many PRDTEs");
- assert_msg(pos->buf.size <= 0x400000, "HBA: Buffer too big");
+ assert_msg(pos->buf.size <= 0x400000U, "HBA: Buffer too big");
+ assert_msg(pos->buf.size, "HBA: expect a non-zero buffer size");
cmdt->entries[i++] =
- (struct hba_prdte){ .data_base = vmm_v2p(pos->buf.buffer),
+ (struct hba_prdte){ .data_base = vmm_v2p((ptr_t)pos->buf.buffer),
.byte_count = pos->buf.size - 1 };
pos = list_entry(pos->components.next, struct vecbuf, components);
} while (pos != vbuf);
cmdh->prdt_len = i + 1;
+
+ return 0;
}
int
memset(cmd_header, 0, sizeof(*cmd_header));
// 将命令表挂到命令头上
- cmd_header->cmd_table_base = vmm_v2p(cmd_table);
+ cmd_header->cmd_table_base = vmm_v2p((ptr_t)cmd_table);
cmd_header->options =
HBA_CMDH_FIS_LEN(sizeof(struct sata_reg_fis)) | HBA_CMDH_CLR_BUSY;
port->regs[HBA_RPxIE] &= ~HBA_MY_IE;
// 预备DMA接收缓存，用于存放HBA传回的数据
- uint16_t* data_in = (uint16_t*)valloc_dma(512);
+ u16_t* data_in = (u16_t*)valloc_dma(512);
int slot = hba_prepare_cmd(port, &cmd_table, &cmd_header);
hba_bind_sbuf(
goto fail;
}
- scsi_parse_capacity(port->device, (uint32_t*)data_in);
+ scsi_parse_capacity(port->device, (u32_t*)data_in);
done:
// reset interrupt status and unmask D2HR interrupt
ahci_identify_device(struct hba_device* device)
{
// 用于重新识别设备（比如在热插拔的情况下）
+ // FIXME this is not right...
vfree(device);
return ahci_init_device(device->port);
}
} else {
port->device->ops.submit = scsi_submit;
}
-}
\ No newline at end of file
+}
git://scm.lunaixsky.com / lunaix-os.git / blobdiff