feat: support user-spcae pci rescan

[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 b9bca9594a9ea5da693f8e1f4e1c19158287ff37..61ea95b511dc28a5d658bd9d19d951aae94e153b 100644 (file)
--- a/lunaix-os/hal/ahci/ahci.c
+++ b/lunaix-os/hal/ahci/ahci.c
@@ -12,8 +12,11 @@
 #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/pci.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>
 #include <klibc/string.h>
 #include <lunaix/block.h>
 #include <lunaix/isrm.h>


@@ -27,19 +30,22 @@
 #define HBA_FIS_SIZE 256
 #define HBA_CLB_SIZE 1024
 
 #define HBA_FIS_SIZE 256
 #define HBA_CLB_SIZE 1024
 

-#define HBA_MY_IE (HBA_PxINTR_DHR | HBA_PxINTR_TFEE | HBA_PxINTR_OFE)
+#define HBA_MY_IE (HBA_PxINTR_DHR | HBA_PxINTR_TFE | HBA_PxINTR_OF)
+#define AHCI_DEVCLASS DEVCLASS(DEVIF_PCI, DEVFN_STORAGE, DEV_SATA)

 
 // #define DO_HBA_FULL_RESET
 
 LOG_MODULE("AHCI")
 
 
 // #define DO_HBA_FULL_RESET
 
 LOG_MODULE("AHCI")
 

-struct llist_header ahcis;
+DEFINE_LLIST(ahcis);

 
 static char sata_ifs[][20] = { "Not detected",
                                "SATA I (1.5Gbps)",
                                "SATA II (3.0Gbps)",
                                "SATA III (6.0Gbps)" };
 
 
 static char sata_ifs[][20] = { "Not detected",
                                "SATA I (1.5Gbps)",
                                "SATA II (3.0Gbps)",
                                "SATA III (6.0Gbps)" };
 

+static struct devclass ahci_class = AHCI_DEVCLASS;
+

 extern void
 ahci_fsexport(struct block_dev* bdev, void* fs_node);
 
 extern void
 ahci_fsexport(struct block_dev* bdev, void* fs_node);
 


@@ -58,9 +64,6 @@ achi_register_ops(struct hba_port* port);
 void
 ahci_register_device(struct hba_device* hbadev);
 
 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)
 {
 void
 __hba_reset_port(hba_reg_t* port_reg)
 {


@@ -73,20 +76,15 @@ __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;
     }
     // 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;
 }
 
     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.");
 
     struct pci_base_addr* bar6 = &ahci_dev->bar[5];
     assert_msg(bar6->type & BAR_TYPE_MMIO, "AHCI: BAR#6 is not MMIO.");
 


@@ -99,6 +97,7 @@ ahci_driver_init(struct pci_device* ahci_dev)
 
     int iv = isrm_ivexalloc(__ahci_hba_isr);
     pci_setup_msi(ahci_dev, iv);
 
     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;
 
     struct ahci_driver* ahci_drv = vzalloc(sizeof(*ahci_drv));
     struct ahci_hba* hba = &ahci_drv->hba;


@@ -128,7 +127,9 @@ ahci_driver_init(struct pci_device* ahci_dev)
     hba->ports_bmp = pmap;
 
     /* ------ HBA端口配置 ------ */
     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)) {
     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)) {


@@ -147,25 +148,27 @@ ahci_driver_init(struct pci_device* ahci_dev)
         if (!clbp) {
             // 每页最多4个命令队列
             clb_pa = pmm_alloc_page(KERNEL_PID, PP_FGLOCKED);
         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);
+            clb_pg_addr = (ptr_t)ioremap(clb_pa, 0x1000);
+            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);
         }
         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);
+            fis_pg_addr = (ptr_t)ioremap(fis_pa, 0x1000);
+            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;
 
         }
 
         /* 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;
 
         /* 初始化端口，并置于就绪状态 */
         port_regs[HBA_RPxCI] = 0;


@@ -192,12 +195,13 @@ ahci_driver_init(struct pci_device* ahci_dev)
                 i,
                 hbadev->model,
                 hbadev->block_size,
                 i,
                 hbadev->model,
                 hbadev->block_size,

-                (uint32_t)hbadev->max_lba);
+                (u32_t)hbadev->max_lba);

 
         ahci_register_device(hbadev);
     }
 
 
         ahci_register_device(hbadev);
     }
 

-    return ahci_drv;
+    pci_bind_instance(ahci_dev, ahci_drv);
+    return 0;

 }
 
 void
 }
 
 void


@@ -208,6 +212,7 @@ ahci_register_device(struct hba_device* hbadev)
 
     bdev->end_lba = hbadev->max_lba;
     bdev->blk_size = hbadev->block_size;
 
     bdev->end_lba = hbadev->max_lba;
     bdev->blk_size = hbadev->block_size;

+    bdev->class = &ahci_class;

 
     block_mount(bdev, ahci_fsexport);
 }
 
     block_mount(bdev, ahci_fsexport);
 }


@@ -218,7 +223,7 @@ __get_free_slot(struct hba_port* port)
     hba_reg_t pxsact = port->regs[HBA_RPxSACT];
     hba_reg_t pxci = port->regs[HBA_RPxCI];
     hba_reg_t free_bmp = pxsact | pxci;
     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);
     for (; i <= port->hba->cmd_slots && (free_bmp & 0x1); i++, free_bmp >>= 1)
         ;
     return i | -(i > port->hba->cmd_slots);


@@ -226,9 +231,9 @@ __get_free_slot(struct hba_port* port)
 
 void
 sata_create_fis(struct sata_reg_fis* cmd_fis,
 
 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;
 {
     cmd_fis->head.type = SATA_REG_FIS_H2D;
     cmd_fis->head.options = SATA_REG_FIS_COMMAND;


@@ -249,10 +254,13 @@ sata_create_fis(struct sata_reg_fis* cmd_fis,
 int
 hba_bind_sbuf(struct hba_cmdh* cmdh, struct hba_cmdt* cmdt, struct membuf mbuf)
 {
 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;
     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
 }
 
 int


@@ -263,15 +271,17 @@ hba_bind_vbuf(struct hba_cmdh* cmdh, struct hba_cmdt* cmdt, struct vecbuf* vbuf)
 
     do {
         assert_msg(i < HBA_MAX_PRDTE, "HBA: Too many PRDTEs");
 
     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");

 
         cmdt->entries[i++] =
 
         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;
                               .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
 }
 
 int


@@ -289,7 +299,7 @@ hba_prepare_cmd(struct hba_port* port,
     memset(cmd_header, 0, sizeof(*cmd_header));
 
     // 将命令表挂到命令头上
     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;
 
     cmd_header->options =
       HBA_CMDH_FIS_LEN(sizeof(struct sata_reg_fis)) | HBA_CMDH_CLR_BUSY;
 


@@ -310,7 +320,7 @@ ahci_init_device(struct hba_port* port)
     port->regs[HBA_RPxIE] &= ~HBA_MY_IE;
 
     // 预备DMA接收缓存，用于存放HBA传回的数据
     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(
 
     int slot = hba_prepare_cmd(port, &cmd_table, &cmd_header);
     hba_bind_sbuf(


@@ -393,7 +403,7 @@ ahci_init_device(struct hba_port* port)
         goto fail;
     }
 
         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
 
 done:
     // reset interrupt status and unmask D2HR interrupt


@@ -430,4 +440,13 @@ achi_register_ops(struct hba_port* port)
     } else {
         port->device->ops.submit = scsi_submit;
     }
     } else {
         port->device->ops.submit = scsi_submit;
     }

-}
\ No newline at end of file
+}
+
+static struct pci_device_def ahcidef = {
+    .dev_class = AHCI_HBA_CLASS,
+    .ident_mask = PCI_MATCH_ANY,
+    .devdef = { .class = DEVCLASS(DEVIF_PCI, DEVFN_STORAGE, DEV_SATA),
+                .name = "Serial ATA Controller",
+                .bind = ahci_driver_init }
+};
+EXPORT_PCI_DEVICE(ahci, &ahcidef);
\ No newline at end of file