Decoupling Architectural-specific Code (#35)

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

diff --git a/lunaix-os/includes/hal/ahci/sata.h b/lunaix-os/includes/hal/ahci/sata.h
index 135f3ebb58ca2819638bbed3d14d3741b846f5d7..0edb5a3d6a7d4cf946e2fcc685222b5b1e060add 100644 (file)
--- a/lunaix-os/includes/hal/ahci/sata.h
+++ b/lunaix-os/includes/hal/ahci/sata.h
@@ -1,47 +1,61 @@
 #ifndef __LUNAIX_SATA_H
 #define __LUNAIX_SATA_H
 
-#include <stdint.h>
+#include <hal/ahci/hba.h>
 
 #define SATA_REG_FIS_D2H 0x34
 #define SATA_REG_FIS_H2D 0x27
 #define SATA_REG_FIS_COMMAND 0x80
-#define SATA_LBA_COMPONENT(lba, offset) ((((lba_lo) >> (offset)) & 0xff))
+#define SATA_LBA_COMPONENT(lba, offset) ((((lba) >> (offset)) & 0xff))
+
+#define ATA_IDENTIFY_DEVICE 0xec
+#define ATA_IDENTIFY_PAKCET_DEVICE 0xa1
+#define ATA_PACKET 0xa0
+#define ATA_READ_DMA_EXT 0x25
+#define ATA_READ_DMA 0xc8
+#define ATA_WRITE_DMA_EXT 0x35
+#define ATA_WRITE_DMA 0xca
+
+#define MAX_RETRY 2
 
 struct sata_fis_head
 {
-    uint8_t type;
-    uint8_t options;
-    uint8_t status_cmd;
-    uint8_t feat_err;
+    u8_t type;
+    u8_t options;
+    u8_t status_cmd;
+    u8_t feat_err;
 } __HBA_PACKED__;
 
 struct sata_reg_fis
 {
     struct sata_fis_head head;
 
-    uint8_t lba0, lba8, lba16;
-    uint8_t dev;
-    uint8_t lba24, lba32, lba40;
-    uint8_t reserved1;
+    u8_t lba0, lba8, lba16;
+    u8_t dev;
+    u8_t lba24, lba32, lba40;
+    u8_t feature;
 
-    uint16_t count;
+    u16_t count;
 
-    uint8_t reserved[6];
+    u8_t reserved[6];
 } __HBA_PACKED__;
 
 struct sata_data_fis
 {
     struct sata_fis_head head;
 
-    uint8_t data[0];
+    u8_t data[0];
 } __HBA_PACKED__;
 
 void
 sata_create_fis(struct sata_reg_fis* cmd_fis,
-                uint8_t command,
-                uint32_t lba_lo,
-                uint32_t lba_hi,
-                uint16_t sector_count);
+                u8_t command,
+                lba_t lba,
+                u16_t sector_count);
 
+void
+sata_submit(struct hba_device* dev, struct blkio_req* io_req);
+
+void
+sata_read_error(struct hba_port* port);
 #endif /* __LUNAIX_SATA_H */