feat: device subsystem rework
[lunaix-os.git] / lunaix-os / hal / ahci / ahci.c
index 249b6992cfbd119dd57b6e88ceacf7a8991d8e8e..c20e21dffe9bb248ae7f6f5c043b5556c34bab43 100644 (file)
 #include <hal/ahci/hba.h>
 #include <hal/ahci/sata.h>
 #include <hal/ahci/scsi.h>
-
 #include <hal/pci.h>
+
+#include <sys/pci_hba.h>
+#include <sys/port_io.h>
+
 #include <klibc/string.h>
 #include <lunaix/block.h>
 #include <lunaix/isrm.h>
@@ -33,7 +36,7 @@
 
 LOG_MODULE("AHCI")
 
-struct llist_header ahcis;
+DEFINE_LLIST(ahcis);
 
 static char sata_ifs[][20] = { "Not detected",
                                "SATA I (1.5Gbps)",
@@ -58,9 +61,6 @@ achi_register_ops(struct hba_port* port);
 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)
 {
@@ -73,20 +73,15 @@ __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()
+int
+ahci_driver_init(struct device_def* def, struct device* dev)
 {
-    llist_init_head(&ahcis);
-    pci_add_driver("Serial ATA AHCI", AHCI_HBA_CLASS, 0, 0, ahci_driver_init);
-}
+    struct pci_device* ahci_dev = container_of(dev, struct pci_device, dev);
 
-void*
-ahci_driver_init(struct pci_device* ahci_dev)
-{
     struct pci_base_addr* bar6 = &ahci_dev->bar[5];
     assert_msg(bar6->type & BAR_TYPE_MMIO, "AHCI: BAR#6 is not MMIO.");
 
@@ -99,6 +94,7 @@ ahci_driver_init(struct pci_device* ahci_dev)
 
     int iv = isrm_ivexalloc(__ahci_hba_isr);
     pci_setup_msi(ahci_dev, iv);
+    isrm_set_payload(iv, (ptr_t)&ahcis);
 
     struct ahci_driver* ahci_drv = vzalloc(sizeof(*ahci_drv));
     struct ahci_hba* hba = &ahci_drv->hba;
@@ -201,7 +197,8 @@ ahci_driver_init(struct pci_device* ahci_dev)
         ahci_register_device(hbadev);
     }
 
-    return ahci_drv;
+    dev->underlay = ahci_drv;
+    return 0;
 }
 
 void
@@ -439,4 +436,14 @@ achi_register_ops(struct hba_port* port)
     } else {
         port->device->ops.submit = scsi_submit;
     }
-}
\ No newline at end of file
+}
+
+static struct pci_device_def ahcidef = {
+    .dev_class = AHCI_HBA_CLASS,
+    .dev_vendor = PCI_ID_ANY,
+    .dev_id = PCI_ID_ANY,
+    .devdef = { .class = DEVCLASS(DEVIF_PCI, DEVFN_STORAGE, DEV_SATA, 0),
+                .name = "SATA AHCI",
+                .init_for = ahci_driver_init }
+};
+EXPORT_DEVICE(ahci, &ahcidef.devdef, load_on_demand);
\ No newline at end of file