Code-base clean-up and refactoring (#47)

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

diff --git a/lunaix-os/includes/hal/ahci/ahci.h b/lunaix-os/includes/hal/ahci/ahci.h
index c0c483aa1b285b8e26e60f690e684d42583ac265..7eaf10d4e012d73f231c457eeddf84a76f1cf57c 100644 (file)
--- a/lunaix-os/includes/hal/ahci/ahci.h
+++ b/lunaix-os/includes/hal/ahci/ahci.h
@@ -1,7 +1,8 @@
 #ifndef __LUNAIX_AHCI_H
 #define __LUNAIX_AHCI_H
 
-#include <stdint.h>
+#include "hba.h"
+#include <asm-generic/isrm.h>
 
 /*
  * Macro naming rule:
@@ -14,160 +15,50 @@
 
 #define AHCI_HBA_CLASS 0x10601
 
-#define HBA_RCAP 0
-#define HBA_RGHC 1
-#define HBA_RIS 2
-#define HBA_RPI 3
-#define HBA_RVER 4
-
-#define HBA_RPBASE (0x40)
-#define HBA_RPSIZE (0x80 >> 2)
-#define HBA_RPxCLB 0
-#define HBA_RPxFB 2
-#define HBA_RPxIS 4
-#define HBA_RPxIE 5
-#define HBA_RPxCMD 6
-#define HBA_RPxTFD 8
-#define HBA_RPxSIG 9
-#define HBA_RPxSSTS 10
-#define HBA_RPxSCTL 11
-#define HBA_RPxSERR 12
-#define HBA_RPxSACT 13
-#define HBA_RPxCI 14
-#define HBA_RPxSNTF 15
-#define HBA_RPxFBS 16
-
-#define HBA_PxCMD_FRE (1 << 4)
-#define HBA_PxCMD_CR (1 << 15)
-#define HBA_PxCMD_FR (1 << 14)
-#define HBA_PxCMD_ST (1)
-#define HBA_PxINTR_DMA (1 << 2)
-#define HBA_PxINTR_D2HR (1)
-
-#define HBA_RGHC_ACHI_ENABLE (1 << 31)
-#define HBA_RGHC_INTR_ENABLE (1 << 1)
-#define HBA_RGHC_RESET 1
-
-#define HBA_RPxSSTS_PWR(x) (((x) >> 8) & 0xf)
-#define HBA_RPxSSTS_IF(x) (((x) >> 4) & 0xf)
-#define HBA_RPxSSTS_PHYSTATE(x) ((x)&0xf)
-
-#define HBA_DEV_SIG_ATAPI 0xeb140101
-#define HBA_DEV_SIG_ATA 0x00000101
-
-#define __HBA_PACKED__ __attribute__((packed))
-
-typedef unsigned int hba_reg_t;
-
-#define HBA_CMDH_FIS_LEN(fis_bytes) (((fis_bytes) / 4) & 0x1f)
-#define HBA_CMDH_ATAPI (1 << 5)
-#define HBA_CMDH_WRITE (1 << 6)
-#define HBA_CMDH_PREFETCH (1 << 7)
-#define HBA_CMDH_R (1 << 8)
-#define HBA_CMDH_CLR_BUSY (1 << 10)
-#define HBA_CMDH_PRDT_LEN(entries) (((entries)&0xffff) << 16)
-
-struct ahci_hba_cmdh
-{
-    uint16_t options;
-    uint16_t prdt_len;
-    uint32_t transferred_size;
-    uint32_t cmd_table_base;
-    uint32_t reserved[5];
-} __HBA_PACKED__;
-
-#define HBA_PRDTE_BYTE_CNT(cnt) ((cnt & 0x3FFFFF) | 0x1)
-
-struct ahci_hba_prdte
-{
-    uint32_t data_base;
-    uint32_t reserved[2];
-    uint32_t byte_count;
-} __HBA_PACKED__;
-
-struct ahci_hba_cmdt
-{
-    uint8_t command_fis[64];
-    uint8_t atapi_cmd[16];
-    uint8_t reserved[0x30];
-    struct ahci_hba_prdte entries[3];
-} __HBA_PACKED__;
-
-#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))
-
-struct sata_fis_head
+struct ahci_driver
 {
-    uint8_t type;
-    uint8_t options;
-    uint8_t status_cmd;
-    uint8_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;
-
-    uint16_t count;
-
-    uint8_t reserved[6];
-} __HBA_PACKED__;
-
-struct sata_data_fis
-{
-    struct sata_fis_head head;
-
-    uint8_t data[0];
-} __HBA_PACKED__;
-
-struct ahci_device_info
-{
-    char serial_num[20];
-    char model[40];
-    uint32_t max_lba;
-    uint32_t sector_size;
-    uint8_t wwn[8];
+    struct llist_header ahci_drvs;
+    struct ahci_hba hba;
+    int id;
 };
 
-struct ahci_port
+struct ahci_driver_param
 {
-    volatile hba_reg_t* regs;
-    unsigned int ssts;
-    struct ahci_hba_cmdh* cmdlst;
-    struct sata_fis_head* fis;
-    struct ahci_device_info* device_info;
+    ptr_t mmio_base;
+    size_t mmio_size;
+    int ahci_iv;
 };
 
-struct ahci_hba
-{
-    volatile hba_reg_t* base;
-    unsigned int ports_num;
-    unsigned int cmd_slots;
-    unsigned int version;
-    struct ahci_port* ports[32];
-};
+void
+ahci_parse_dev_info(struct hba_device* dev_info, u16_t* data);
 
-#define ATA_IDENTIFY_DEVICE 0xec
-#define ATA_IDENTIFY_PAKCET_DEVICE 0xa1
+void
+ahci_parsestr(char* str, u16_t* reg_start, int size_word);
 
 /**
- * @brief 初始化AHCI与HBA
+ * @brief Issue a HBA command (synchronized)
  *
+ * @param port
+ * @param slot
+ * @return int
  */
-void
-ahci_init();
+int
+ahci_try_send(struct hba_port* port, int slot);
 
+/**
+ * @brief Issue a HBA command (asynchronized)
+ *
+ * @param port
+ * @param state
+ * @param slot
+ */
 void
-ahci_list_device();
+ahci_post(struct hba_port* port, struct hba_cmd_state* state, int slot);
 
-int
-ahci_identify_device(struct ahci_port* port);
+struct ahci_driver*
+ahci_driver_init(struct ahci_driver_param* param);
+
+void
+ahci_hba_isr(const struct hart_state* hstate);
 
 #endif /* __LUNAIX_AHCI_H */