feat: (twimap) provide an easy way for mapping kernel objects into filesystem

[lunaix-os.git] / lunaix-os / hal / ahci / ahci.c

diff --git a/lunaix-os/hal/ahci/ahci.c b/lunaix-os/hal/ahci/ahci.c
index 0551ee547fe9283bf4c063895bc61db89806d4fd..43b8f1ea6e1f0978b3429b7cfb2ccac643574c92 100644 (file)
--- a/lunaix-os/hal/ahci/ahci.c
+++ b/lunaix-os/hal/ahci/ahci.c
@@ -12,7 +12,6 @@
 #include <hal/ahci/hba.h>
 #include <hal/ahci/sata.h>
 #include <hal/ahci/scsi.h>
 #include <hal/ahci/hba.h>
 #include <hal/ahci/sata.h>
 #include <hal/ahci/scsi.h>

-#include <hal/ahci/utils.h>

 
 #include <hal/pci.h>
 #include <klibc/string.h>
 
 #include <hal/pci.h>
 #include <klibc/string.h>


@@ -34,7 +33,7 @@ LOG_MODULE("AHCI")
 static struct ahci_hba hba;
 
 void
 static struct ahci_hba hba;
 
 void

-__ahci_hba_isr(isr_param param);
+__ahci_hba_isr(const isr_param* param);

 
 int
 ahci_init_device(struct hba_port* port);
 
 int
 ahci_init_device(struct hba_port* port);


@@ -79,9 +78,8 @@ ahci_init()
     struct pci_device* ahci_dev = pci_get_device_by_class(AHCI_HBA_CLASS);
     assert_msg(ahci_dev, "AHCI: Not found.");
 
     struct pci_device* ahci_dev = pci_get_device_by_class(AHCI_HBA_CLASS);
     assert_msg(ahci_dev, "AHCI: Not found.");
 

-    uintptr_t bar6, size;
-    size = pci_bar_sizing(ahci_dev, &bar6, 6);
-    assert_msg(bar6 && PCI_BAR_MMIO(bar6), "AHCI: BAR#6 is not MMIO.");
+    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);
 
 
     pci_reg_t cmd = pci_read_cspace(ahci_dev->cspace_base, PCI_REG_STATUS_CMD);
 


@@ -95,7 +93,7 @@ ahci_init()
 
     memset(&hba, 0, sizeof(hba));
 
 
     memset(&hba, 0, sizeof(hba));
 

-    hba.base = (hba_reg_t*)ioremap(PCI_BAR_ADDR_MM(bar6), size);
+    hba.base = (hba_reg_t*)ioremap(bar6->start, bar6->size);

 
 #ifdef DO_HBA_FULL_RESET
     // 重置HBA
 
 #ifdef DO_HBA_FULL_RESET
     // 重置HBA


@@ -158,8 +156,7 @@ ahci_init()
         /* 初始化端口，并置于就绪状态 */
         port_regs[HBA_RPxCI] = 0;
 
         /* 初始化端口，并置于就绪状态 */
         port_regs[HBA_RPxCI] = 0;
 

-        // 需要通过全部置位去清空这些寄存器（相当的奇怪……）
-        port_regs[HBA_RPxSERR] = -1;
+        hba_clear_reg(port_regs[HBA_RPxSERR]);

 
         hba.ports[i] = port;
 
 
         hba.ports[i] = port;
 


@@ -172,9 +169,16 @@ ahci_init()
         port_regs[HBA_RPxCMD] |= HBA_PxCMD_ST;
 
         if (!ahci_init_device(port)) {
         port_regs[HBA_RPxCMD] |= HBA_PxCMD_ST;
 
         if (!ahci_init_device(port)) {

-            kprintf(KERROR "fail to init device");
+            kprintf(KERROR "init fail: 0x%x@p%d\n", port->regs[HBA_RPxSIG], i);
+            continue;

         }
 
         }
 

+        kprintf(KINFO "sata%d: %s, sector_size=%dB, sector=%d\n",
+                i,
+                port->device->model,
+                port->device->block_size,
+                (uint32_t)port->device->max_lba);
+

         block_mount_disk(port->device);
     }
 }
         block_mount_disk(port->device);
     }
 }


@@ -185,11 +189,11 @@ char sata_ifs[][20] = { "Not detected",
                         "SATA III (6.0Gbps)" };
 
 void
                         "SATA III (6.0Gbps)" };
 
 void

-__ahci_hba_isr(isr_param param)
+__ahci_hba_isr(const isr_param* param)

 {
     // TODO: clear the interrupt status
     // TODO: I/O-operation scheduler should be here
 {
     // TODO: clear the interrupt status
     // TODO: I/O-operation scheduler should be here

-    kprintf(KDEBUG "HBA INTR\n");
+    // kprintf(KDEBUG "HBA INTR\n");

 }
 
 void
 }
 
 void


@@ -311,16 +315,11 @@ ahci_init_device(struct hba_port* port)
     // mask DHR interrupt
     port->regs[HBA_RPxIE] &= ~HBA_PxINTR_DHR;
 
     // mask DHR interrupt
     port->regs[HBA_RPxIE] &= ~HBA_PxINTR_DHR;
 

-    // 确保端口是空闲的
-    wait_until(!(port->regs[HBA_RPxTFD] & (HBA_PxTFD_BSY)));
-

     // 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);
 
     int slot = hba_prepare_cmd(port, &cmd_table, &cmd_header, data_in, 512);
 
     // 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);
 
     int slot = hba_prepare_cmd(port, &cmd_table, &cmd_header, data_in, 512);
 

-    // 清空任何待响应的中断
-    port->regs[HBA_RPxIS] = 0;

     port->device = vzalloc(sizeof(struct hba_device));
     port->device->port = port;
 
     port->device = vzalloc(sizeof(struct hba_device));
     port->device->port = port;
 


@@ -337,14 +336,7 @@ ahci_init_device(struct hba_port* port)
         sata_create_fis(cmd_fis, ATA_IDENTIFY_PAKCET_DEVICE, 0, 0);
     }
 
         sata_create_fis(cmd_fis, ATA_IDENTIFY_PAKCET_DEVICE, 0, 0);
     }
 

-    // PxCI寄存器置位，告诉HBA这儿有个数据需要发送到SATA端口
-    port->regs[HBA_RPxCI] = (1 << slot);
-
-    wait_until(!(port->regs[HBA_RPxCI] & (1 << slot)));
-
-    if ((port->regs[HBA_RPxTFD] & HBA_PxTFD_ERR)) {
-        // 有错误
-        sata_read_error(port);
+    if (!ahci_try_send(port, slot)) {

         goto fail;
     }
 
         goto fail;
     }
 


@@ -383,21 +375,24 @@ ahci_init_device(struct hba_port* port)
             * SATA AHCI HBA Spec, Section 5.3.7
             * SCSI Command Reference Manual, Section 3.26
     */
             * SATA AHCI HBA Spec, Section 5.3.7
             * SCSI Command Reference Manual, Section 3.26
     */

-    struct scsi_cdb16* cdb16 = (struct scsi_cdb16*)cmd_table->atapi_cmd;

 
     sata_create_fis(cmd_fis, ATA_PACKET, 512 << 8, 0);
 
     sata_create_fis(cmd_fis, ATA_PACKET, 512 << 8, 0);

-    scsi_create_packet16(cdb16, SCSI_READ_CAPACITY_16, 0, 512);

 
 

-    cdb16->misc1 = 0x10; // service action
+    // for dev use 12 bytes cdb, READ_CAPACITY must use the 10 bytes variation.
+    if (port->device->cbd_size == SCSI_CDB12) {
+        struct scsi_cdb12* cdb12 = (struct scsi_cdb12*)cmd_table->atapi_cmd;
+        // ugly tricks to construct 10 byte cdb from 12 byte cdb
+        scsi_create_packet12(cdb12, SCSI_READ_CAPACITY_10, 0, 512 << 8);
+    } else {
+        struct scsi_cdb16* cdb16 = (struct scsi_cdb16*)cmd_table->atapi_cmd;
+        scsi_create_packet16(cdb16, SCSI_READ_CAPACITY_16, 0, 512);
+        cdb16->misc1 = 0x10; // service action
+    }
+

     cmd_header->transferred_size = 0;
     cmd_header->options |= HBA_CMDH_ATAPI;
 
     cmd_header->transferred_size = 0;
     cmd_header->options |= HBA_CMDH_ATAPI;
 

-    port->regs[HBA_RPxCI] = (1 << slot);
-    wait_until(!(port->regs[HBA_RPxCI] & (1 << slot)));
-
-    if ((port->regs[HBA_RPxTFD] & HBA_PxTFD_ERR)) {
-        // 有错误
-        sata_read_error(port);
+    if (!ahci_try_send(port, slot)) {

         goto fail;
     }
 
         goto fail;
     }
 


@@ -405,7 +400,6 @@ ahci_init_device(struct hba_port* port)
 
 done:
     // reset interrupt status and unmask D2HR interrupt
 
 done:
     // reset interrupt status and unmask D2HR interrupt

-    port->regs[HBA_RPxIS] = -1;

     port->regs[HBA_RPxIE] |= HBA_PxINTR_DHR;
     achi_register_ops(port);
 
     port->regs[HBA_RPxIE] |= HBA_PxINTR_DHR;
     achi_register_ops(port);
 


@@ -415,7 +409,6 @@ done:
     return 1;
 
 fail:
     return 1;
 
 fail:

-    port->regs[HBA_RPxIS] = -1;

     port->regs[HBA_RPxIE] |= HBA_PxINTR_DHR;
     vfree_dma(data_in);
     vfree_dma(cmd_table);
     port->regs[HBA_RPxIE] |= HBA_PxINTR_DHR;
     vfree_dma(data_in);
     vfree_dma(cmd_table);


@@ -424,11 +417,11 @@ fail:
 }
 
 int
 }
 
 int

-ahci_identify_device(struct hba_port* port)
+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）
 {
     // 用于重新识别设备（比如在热插拔的情况下）

-    vfree(port->device);
-    return ahci_init_device(port);
+    vfree(device);
+    return ahci_init_device(device->port);

 }
 
 void
 }
 
 void