feat: asynchronized SATA IO

[lunaix-os.git] / lunaix-os / includes / hal / ahci / hba.h

diff --git a/lunaix-os/includes/hal/ahci/hba.h b/lunaix-os/includes/hal/ahci/hba.h
index 19f76cd08603f8e57272d57685a7e01a586c0c43..c60536d6d14b3707796ad76261c90c60bafc30ee 100644 (file)
--- a/lunaix-os/includes/hal/ahci/hba.h
+++ b/lunaix-os/includes/hal/ahci/hba.h
@@ -1,7 +1,9 @@
 #ifndef __LUNAIX_HBA_H
 #define __LUNAIX_HBA_H
 
 #ifndef __LUNAIX_HBA_H
 #define __LUNAIX_HBA_H
 

-#include <stdint.h>
+#include <lunaix/blkio.h>
+#include <lunaix/buffer.h>
+#include <lunaix/types.h>

 
 #define HBA_RCAP 0
 #define HBA_RGHC 1
 
 #define HBA_RCAP 0
 #define HBA_RGHC 1


@@ -31,7 +33,10 @@
 #define HBA_PxCMD_FR (1 << 14)
 #define HBA_PxCMD_ST (1)
 #define HBA_PxINTR_DMA (1 << 2)
 #define HBA_PxCMD_FR (1 << 14)
 #define HBA_PxCMD_ST (1)
 #define HBA_PxINTR_DMA (1 << 2)

-#define HBA_PxINTR_D2HR (1)
+#define HBA_PxINTR_DHR (1)
+#define HBA_PxINTR_DPS (1 << 5)
+#define HBA_PxINTR_TFEE (1 << 30)
+#define HBA_PxINTR_IFE (1 << 27)

 #define HBA_PxTFD_ERR (1)
 #define HBA_PxTFD_BSY (1 << 7)
 #define HBA_PxTFD_DRQ (1 << 3)
 #define HBA_PxTFD_ERR (1)
 #define HBA_PxTFD_BSY (1 << 7)
 #define HBA_PxTFD_DRQ (1 << 3)


@@ -44,6 +49,8 @@
 #define HBA_RPxSSTS_IF(x) (((x) >> 4) & 0xf)
 #define HBA_RPxSSTS_PHYSTATE(x) ((x)&0xf)
 
 #define HBA_RPxSSTS_IF(x) (((x) >> 4) & 0xf)
 #define HBA_RPxSSTS_PHYSTATE(x) ((x)&0xf)
 

+#define hba_clear_reg(reg) (reg) = -1
+

 #define HBA_DEV_SIG_ATAPI 0xeb140101
 #define HBA_DEV_SIG_ATA 0x00000101
 
 #define HBA_DEV_SIG_ATAPI 0xeb140101
 #define HBA_DEV_SIG_ATA 0x00000101
 


@@ -59,6 +66,8 @@ typedef unsigned int hba_reg_t;
 #define HBA_CMDH_CLR_BUSY (1 << 10)
 #define HBA_CMDH_PRDT_LEN(entries) (((entries)&0xffff) << 16)
 
 #define HBA_CMDH_CLR_BUSY (1 << 10)
 #define HBA_CMDH_PRDT_LEN(entries) (((entries)&0xffff) << 16)
 

+#define HBA_MAX_PRDTE 4
+

 struct hba_cmdh
 {
     uint16_t options;
 struct hba_cmdh
 {
     uint16_t options;


@@ -82,7 +91,7 @@ struct hba_cmdt
     uint8_t command_fis[64];
     uint8_t atapi_cmd[16];
     uint8_t reserved[0x30];
     uint8_t command_fis[64];
     uint8_t atapi_cmd[16];
     uint8_t reserved[0x30];

-    struct hba_prdte entries[3];
+    struct hba_prdte entries[HBA_MAX_PRDTE];

 } __HBA_PACKED__;
 
 #define HBA_DEV_FEXTLBA 1
 } __HBA_PACKED__;
 
 #define HBA_DEV_FEXTLBA 1


@@ -99,28 +108,43 @@ struct hba_device
     uint32_t block_size;
     uint64_t wwn;
     uint8_t cbd_size;
     uint32_t block_size;
     uint64_t wwn;
     uint8_t cbd_size;

-    uint8_t last_error;
-    uint8_t last_status;
+    struct
+    {
+        uint8_t sense_key;
+        uint8_t error;
+        uint8_t status;
+        uint8_t reserve;
+    } last_result;
+    uint32_t alignment_offset;
+    uint32_t block_per_sec;
+    uint32_t capabilities;
+    struct hba_port* port;

 
     struct
     {
 
     struct
     {

-        int (*identify)(struct hba_port* port);
-        int (*read_buffer)(struct hba_port* port,
-                           uint64_t lba,
-                           void* buffer,
-                           uint32_t size);
-        int (*write_buffer)(struct hba_port* port,
-                            uint64_t lba,
-                            void* buffer,
-                            uint32_t size);
+        int (*identify)(struct hba_device* dev);
+        void (*submit)(struct hba_device* dev, struct blkio_req* io_req);

     } ops;
 };
 
     } ops;
 };
 

+struct hba_cmd_state
+{
+    struct hba_cmdt* cmd_table;
+    void* state_ctx;
+};
+
+struct hba_cmd_context
+{
+    struct hba_cmd_state* issued[32];
+    u32_t tracked_ci;
+};
+

 struct hba_port
 {
     volatile hba_reg_t* regs;
     unsigned int ssts;
     struct hba_cmdh* cmdlst;
 struct hba_port
 {
     volatile hba_reg_t* regs;
     unsigned int ssts;
     struct hba_cmdh* cmdlst;

+    struct hba_cmd_context cmdctx;

     void* fis;
     struct hba_device* device;
 };
     void* fis;
     struct hba_device* device;
 };


@@ -136,9 +160,16 @@ struct ahci_hba
 };
 
 int
 };
 
 int

-hba_alloc_slot(struct hba_port* port,
-               struct hba_cmdt** cmdt,
-               struct hba_cmdh** cmdh,
-               uint16_t header_options);
+hba_prepare_cmd(struct hba_port* port,
+                struct hba_cmdt** cmdt,
+                struct hba_cmdh** cmdh);
+
+int
+hba_bind_vbuf(struct hba_cmdh* cmdh,
+              struct hba_cmdt* cmdt,
+              struct vecbuf* vbuf);
+
+int
+hba_bind_sbuf(struct hba_cmdh* cmdh, struct hba_cmdt* cmdt, struct membuf mbuf);

 
 #endif /* __LUNAIX_HBA_H */
 
 #endif /* __LUNAIX_HBA_H */