qtest/ahci: Create ahci.h

Extract defines and other information to ahci.h, to be shared with other
tests if they so please.

At the very least, reduce clutter in the test file itself.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421698563-6977-3-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2 files changed, 353 insertions, 318 deletions

diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index b1a59f2..5c9da12 100644
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -29,6 +29,7 @@
 #include <glib.h>
 
 #include "libqtest.h"
+#include "libqos/ahci.h"
 #include "libqos/pci-pc.h"
 #include "libqos/malloc-pc.h"
 
@@ -41,313 +42,6 @@
 /* Test-specific defines. */
 #define TEST_IMAGE_SIZE    (64 * 1024 * 1024)
 
-/*** Supplementary PCI Config Space IDs & Masks ***/
-#define PCI_DEVICE_ID_INTEL_Q35_AHCI   (0x2922)
-#define PCI_MSI_FLAGS_RESERVED         (0xFF00)
-#define PCI_PM_CTRL_RESERVED             (0xFC)
-#define PCI_BCC(REG32)          ((REG32) >> 24)
-#define PCI_PI(REG32)   (((REG32) >> 8) & 0xFF)
-#define PCI_SCC(REG32) (((REG32) >> 16) & 0xFF)
-
-/*** Recognized AHCI Device Types ***/
-#define AHCI_INTEL_ICH9 (PCI_DEVICE_ID_INTEL_Q35_AHCI << 16 | \
-                         PCI_VENDOR_ID_INTEL)
-
-/*** AHCI/HBA Register Offsets and Bitmasks ***/
-#define AHCI_CAP                          (0)
-#define AHCI_CAP_NP                    (0x1F)
-#define AHCI_CAP_SXS                   (0x20)
-#define AHCI_CAP_EMS                   (0x40)
-#define AHCI_CAP_CCCS                  (0x80)
-#define AHCI_CAP_NCS                 (0x1F00)
-#define AHCI_CAP_PSC                 (0x2000)
-#define AHCI_CAP_SSC                 (0x4000)
-#define AHCI_CAP_PMD                 (0x8000)
-#define AHCI_CAP_FBSS               (0x10000)
-#define AHCI_CAP_SPM                (0x20000)
-#define AHCI_CAP_SAM                (0x40000)
-#define AHCI_CAP_RESERVED           (0x80000)
-#define AHCI_CAP_ISS               (0xF00000)
-#define AHCI_CAP_SCLO             (0x1000000)
-#define AHCI_CAP_SAL              (0x2000000)
-#define AHCI_CAP_SALP             (0x4000000)
-#define AHCI_CAP_SSS              (0x8000000)
-#define AHCI_CAP_SMPS            (0x10000000)
-#define AHCI_CAP_SSNTF           (0x20000000)
-#define AHCI_CAP_SNCQ            (0x40000000)
-#define AHCI_CAP_S64A            (0x80000000)
-
-#define AHCI_GHC                          (1)
-#define AHCI_GHC_HR                    (0x01)
-#define AHCI_GHC_IE                    (0x02)
-#define AHCI_GHC_MRSM                  (0x04)
-#define AHCI_GHC_RESERVED        (0x7FFFFFF8)
-#define AHCI_GHC_AE              (0x80000000)
-
-#define AHCI_IS                           (2)
-#define AHCI_PI                           (3)
-#define AHCI_VS                           (4)
-
-#define AHCI_CCCCTL                       (5)
-#define AHCI_CCCCTL_EN                 (0x01)
-#define AHCI_CCCCTL_RESERVED           (0x06)
-#define AHCI_CCCCTL_CC               (0xFF00)
-#define AHCI_CCCCTL_TV           (0xFFFF0000)
-
-#define AHCI_CCCPORTS                     (6)
-#define AHCI_EMLOC                        (7)
-
-#define AHCI_EMCTL                        (8)
-#define AHCI_EMCTL_STSMR               (0x01)
-#define AHCI_EMCTL_CTLTM              (0x100)
-#define AHCI_EMCTL_CTLRST             (0x200)
-#define AHCI_EMCTL_RESERVED      (0xF0F0FCFE)
-
-#define AHCI_CAP2                         (9)
-#define AHCI_CAP2_BOH                  (0x01)
-#define AHCI_CAP2_NVMP                 (0x02)
-#define AHCI_CAP2_APST                 (0x04)
-#define AHCI_CAP2_RESERVED       (0xFFFFFFF8)
-
-#define AHCI_BOHC                        (10)
-#define AHCI_RESERVED                    (11)
-#define AHCI_NVMHCI                      (24)
-#define AHCI_VENDOR                      (40)
-#define AHCI_PORTS                       (64)
-
-/*** Port Memory Offsets & Bitmasks ***/
-#define AHCI_PX_CLB                       (0)
-#define AHCI_PX_CLB_RESERVED          (0x1FF)
-
-#define AHCI_PX_CLBU                      (1)
-
-#define AHCI_PX_FB                        (2)
-#define AHCI_PX_FB_RESERVED            (0xFF)
-
-#define AHCI_PX_FBU                       (3)
-
-#define AHCI_PX_IS                        (4)
-#define AHCI_PX_IS_DHRS                 (0x1)
-#define AHCI_PX_IS_PSS                  (0x2)
-#define AHCI_PX_IS_DSS                  (0x4)
-#define AHCI_PX_IS_SDBS                 (0x8)
-#define AHCI_PX_IS_UFS                 (0x10)
-#define AHCI_PX_IS_DPS                 (0x20)
-#define AHCI_PX_IS_PCS                 (0x40)
-#define AHCI_PX_IS_DMPS                (0x80)
-#define AHCI_PX_IS_RESERVED       (0x23FFF00)
-#define AHCI_PX_IS_PRCS            (0x400000)
-#define AHCI_PX_IS_IPMS            (0x800000)
-#define AHCI_PX_IS_OFS            (0x1000000)
-#define AHCI_PX_IS_INFS           (0x4000000)
-#define AHCI_PX_IS_IFS            (0x8000000)
-#define AHCI_PX_IS_HBDS          (0x10000000)
-#define AHCI_PX_IS_HBFS          (0x20000000)
-#define AHCI_PX_IS_TFES          (0x40000000)
-#define AHCI_PX_IS_CPDS          (0x80000000)
-
-#define AHCI_PX_IE                        (5)
-#define AHCI_PX_IE_DHRE                 (0x1)
-#define AHCI_PX_IE_PSE                  (0x2)
-#define AHCI_PX_IE_DSE                  (0x4)
-#define AHCI_PX_IE_SDBE                 (0x8)
-#define AHCI_PX_IE_UFE                 (0x10)
-#define AHCI_PX_IE_DPE                 (0x20)
-#define AHCI_PX_IE_PCE                 (0x40)
-#define AHCI_PX_IE_DMPE                (0x80)
-#define AHCI_PX_IE_RESERVED       (0x23FFF00)
-#define AHCI_PX_IE_PRCE            (0x400000)
-#define AHCI_PX_IE_IPME            (0x800000)
-#define AHCI_PX_IE_OFE            (0x1000000)
-#define AHCI_PX_IE_INFE           (0x4000000)
-#define AHCI_PX_IE_IFE            (0x8000000)
-#define AHCI_PX_IE_HBDE          (0x10000000)
-#define AHCI_PX_IE_HBFE          (0x20000000)
-#define AHCI_PX_IE_TFEE          (0x40000000)
-#define AHCI_PX_IE_CPDE          (0x80000000)
-
-#define AHCI_PX_CMD                       (6)
-#define AHCI_PX_CMD_ST                  (0x1)
-#define AHCI_PX_CMD_SUD                 (0x2)
-#define AHCI_PX_CMD_POD                 (0x4)
-#define AHCI_PX_CMD_CLO                 (0x8)
-#define AHCI_PX_CMD_FRE                (0x10)
-#define AHCI_PX_CMD_RESERVED           (0xE0)
-#define AHCI_PX_CMD_CCS              (0x1F00)
-#define AHCI_PX_CMD_MPSS             (0x2000)
-#define AHCI_PX_CMD_FR               (0x4000)
-#define AHCI_PX_CMD_CR               (0x8000)
-#define AHCI_PX_CMD_CPS             (0x10000)
-#define AHCI_PX_CMD_PMA             (0x20000)
-#define AHCI_PX_CMD_HPCP            (0x40000)
-#define AHCI_PX_CMD_MPSP            (0x80000)
-#define AHCI_PX_CMD_CPD            (0x100000)
-#define AHCI_PX_CMD_ESP            (0x200000)
-#define AHCI_PX_CMD_FBSCP          (0x400000)
-#define AHCI_PX_CMD_APSTE          (0x800000)
-#define AHCI_PX_CMD_ATAPI         (0x1000000)
-#define AHCI_PX_CMD_DLAE          (0x2000000)
-#define AHCI_PX_CMD_ALPE          (0x4000000)
-#define AHCI_PX_CMD_ASP           (0x8000000)
-#define AHCI_PX_CMD_ICC          (0xF0000000)
-
-#define AHCI_PX_RES1                      (7)
-
-#define AHCI_PX_TFD                       (8)
-#define AHCI_PX_TFD_STS                (0xFF)
-#define AHCI_PX_TFD_STS_ERR            (0x01)
-#define AHCI_PX_TFD_STS_CS1            (0x06)
-#define AHCI_PX_TFD_STS_DRQ            (0x08)
-#define AHCI_PX_TFD_STS_CS2            (0x70)
-#define AHCI_PX_TFD_STS_BSY            (0x80)
-#define AHCI_PX_TFD_ERR              (0xFF00)
-#define AHCI_PX_TFD_RESERVED     (0xFFFF0000)
-
-#define AHCI_PX_SIG                       (9)
-#define AHCI_PX_SIG_SECTOR_COUNT       (0xFF)
-#define AHCI_PX_SIG_LBA_LOW          (0xFF00)
-#define AHCI_PX_SIG_LBA_MID        (0xFF0000)
-#define AHCI_PX_SIG_LBA_HIGH     (0xFF000000)
-
-#define AHCI_PX_SSTS                     (10)
-#define AHCI_PX_SSTS_DET               (0x0F)
-#define AHCI_PX_SSTS_SPD               (0xF0)
-#define AHCI_PX_SSTS_IPM              (0xF00)
-#define AHCI_PX_SSTS_RESERVED    (0xFFFFF000)
-#define SSTS_DET_NO_DEVICE             (0x00)
-#define SSTS_DET_PRESENT               (0x01)
-#define SSTS_DET_ESTABLISHED           (0x03)
-#define SSTS_DET_OFFLINE               (0x04)
-
-#define AHCI_PX_SCTL                     (11)
-
-#define AHCI_PX_SERR                     (12)
-#define AHCI_PX_SERR_ERR             (0xFFFF)
-#define AHCI_PX_SERR_DIAG        (0xFFFF0000)
-#define AHCI_PX_SERR_DIAG_X      (0x04000000)
-
-#define AHCI_PX_SACT                     (13)
-#define AHCI_PX_CI                       (14)
-#define AHCI_PX_SNTF                     (15)
-
-#define AHCI_PX_FBS                      (16)
-#define AHCI_PX_FBS_EN                  (0x1)
-#define AHCI_PX_FBS_DEC                 (0x2)
-#define AHCI_PX_FBS_SDE                 (0x4)
-#define AHCI_PX_FBS_DEV               (0xF00)
-#define AHCI_PX_FBS_ADO              (0xF000)
-#define AHCI_PX_FBS_DWE             (0xF0000)
-#define AHCI_PX_FBS_RESERVED     (0xFFF000F8)
-
-#define AHCI_PX_RES2                     (17)
-#define AHCI_PX_VS                       (28)
-
-#define HBA_DATA_REGION_SIZE            (256)
-#define HBA_PORT_DATA_SIZE              (128)
-#define HBA_PORT_NUM_REG (HBA_PORT_DATA_SIZE/4)
-
-#define AHCI_VERSION_0_95        (0x00000905)
-#define AHCI_VERSION_1_0         (0x00010000)
-#define AHCI_VERSION_1_1         (0x00010100)
-#define AHCI_VERSION_1_2         (0x00010200)
-#define AHCI_VERSION_1_3         (0x00010300)
-
-/*** Structures ***/
-
-/**
- * Generic FIS structure.
- */
-typedef struct FIS {
-    uint8_t fis_type;
-    uint8_t flags;
-    char data[0];
-} __attribute__((__packed__)) FIS;
-
-/**
- * Register device-to-host FIS structure.
- */
-typedef struct RegD2HFIS {
-    /* DW0 */
-    uint8_t fis_type;
-    uint8_t flags;
-    uint8_t status;
-    uint8_t error;
-    /* DW1 */
-    uint8_t lba_low;
-    uint8_t lba_mid;
-    uint8_t lba_high;
-    uint8_t device;
-    /* DW2 */
-    uint8_t lba3;
-    uint8_t lba4;
-    uint8_t lba5;
-    uint8_t res1;
-    /* DW3 */
-    uint16_t count;
-    uint8_t res2;
-    uint8_t res3;
-    /* DW4 */
-    uint16_t res4;
-    uint16_t res5;
-} __attribute__((__packed__)) RegD2HFIS;
-
-/**
- * Register host-to-device FIS structure.
- */
-typedef struct RegH2DFIS {
-    /* DW0 */
-    uint8_t fis_type;
-    uint8_t flags;
-    uint8_t command;
-    uint8_t feature_low;
-    /* DW1 */
-    uint8_t lba_low;
-    uint8_t lba_mid;
-    uint8_t lba_high;
-    uint8_t device;
-    /* DW2 */
-    uint8_t lba3;
-    uint8_t lba4;
-    uint8_t lba5;
-    uint8_t feature_high;
-    /* DW3 */
-    uint16_t count;
-    uint8_t icc;
-    uint8_t control;
-    /* DW4 */
-    uint32_t aux;
-} __attribute__((__packed__)) RegH2DFIS;
-
-/**
- * Command List entry structure.
- * The command list contains between 1-32 of these structures.
- */
-typedef struct AHCICommand {
-    uint8_t b1;
-    uint8_t b2;
-    uint16_t prdtl; /* Phys Region Desc. Table Length */
-    uint32_t prdbc; /* Phys Region Desc. Byte Count */
-    uint32_t ctba;  /* Command Table Descriptor Base Address */
-    uint32_t ctbau; /*                                    '' Upper */
-    uint32_t res[4];
-} __attribute__((__packed__)) AHCICommand;
-
-/**
- * Physical Region Descriptor; pointed to by the Command List Header,
- * struct ahci_command.
- */
-typedef struct PRD {
-    uint32_t dba;  /* Data Base Address */
-    uint32_t dbau; /* Data Base Address Upper */
-    uint32_t res;  /* Reserved */
-    uint32_t dbc;  /* Data Byte Count (0-indexed) & Interrupt Flag (bit 2^31) */
-} PRD;
-
-typedef struct HBACap {
-    uint32_t cap;
-    uint32_t cap2;
-} HBACap;
-
 /*** Globals ***/
 static QGuestAllocator *guest_malloc;
 static QPCIBus *pcibus;
@@ -356,13 +50,6 @@ static char tmp_path[] = "/tmp/qtest.XXXXXX";
 static bool ahci_pedantic;
 static uint32_t ahci_fingerprint;
 
-/*** Macro Utilities ***/
-#define BITANY(data, mask) (((data) & (mask)) != 0)
-#define BITSET(data, mask) (((data) & (mask)) == (mask))
-#define BITCLR(data, mask) (((data) & (mask)) == 0)
-#define ASSERT_BIT_SET(data, mask) g_assert_cmphex((data) & (mask), ==, (mask))
-#define ASSERT_BIT_CLEAR(data, mask) g_assert_cmphex((data) & (mask), ==, 0)
-
 /*** IO macros for the AHCI memory registers. ***/
 #define AHCI_READ(OFST) qpci_io_readl(ahci, hba_base + (OFST))
 #define AHCI_WRITE(OFST, VAL) qpci_io_writel(ahci, hba_base + (OFST), (VAL))
@@ -380,10 +67,6 @@ static uint32_t ahci_fingerprint;
 #define PX_CLR(port, reg, mask)   PX_WREG((port), (reg),                \
                                           PX_RREG((port), (reg)) & ~(mask));
 
-/* For calculating how big the PRD table needs to be: */
-#define CMD_TBL_SIZ(n) ((0x80 + ((n) * sizeof(PRD)) + 0x7F) & ~0x7F)
-
-
 /*** Function Declarations ***/
 static QPCIDevice *get_ahci_device(void);
 static QPCIDevice *start_ahci_device(QPCIDevice *dev, void **hba_base);
diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h
new file mode 100644
index 0000000..6564c5a
--- /dev/null
+++ b/tests/libqos/ahci.h
@@ -0,0 +1,352 @@
+#ifndef __libqos_ahci_h
+#define __libqos_ahci_h
+
+/*
+ * AHCI qtest library functions and definitions
+ *
+ * Copyright (c) 2014 John Snow <jsnow@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "libqos/pci.h"
+#include "libqos/malloc-pc.h"
+
+/*** Supplementary PCI Config Space IDs & Masks ***/
+#define PCI_DEVICE_ID_INTEL_Q35_AHCI   (0x2922)
+#define PCI_MSI_FLAGS_RESERVED         (0xFF00)
+#define PCI_PM_CTRL_RESERVED             (0xFC)
+#define PCI_BCC(REG32)          ((REG32) >> 24)
+#define PCI_PI(REG32)   (((REG32) >> 8) & 0xFF)
+#define PCI_SCC(REG32) (((REG32) >> 16) & 0xFF)
+
+/*** Recognized AHCI Device Types ***/
+#define AHCI_INTEL_ICH9 (PCI_DEVICE_ID_INTEL_Q35_AHCI << 16 | \
+                         PCI_VENDOR_ID_INTEL)
+
+/*** AHCI/HBA Register Offsets and Bitmasks ***/
+#define AHCI_CAP                          (0)
+#define AHCI_CAP_NP                    (0x1F)
+#define AHCI_CAP_SXS                   (0x20)
+#define AHCI_CAP_EMS                   (0x40)
+#define AHCI_CAP_CCCS                  (0x80)
+#define AHCI_CAP_NCS                 (0x1F00)
+#define AHCI_CAP_PSC                 (0x2000)
+#define AHCI_CAP_SSC                 (0x4000)
+#define AHCI_CAP_PMD                 (0x8000)
+#define AHCI_CAP_FBSS               (0x10000)
+#define AHCI_CAP_SPM                (0x20000)
+#define AHCI_CAP_SAM                (0x40000)
+#define AHCI_CAP_RESERVED           (0x80000)
+#define AHCI_CAP_ISS               (0xF00000)
+#define AHCI_CAP_SCLO             (0x1000000)
+#define AHCI_CAP_SAL              (0x2000000)
+#define AHCI_CAP_SALP             (0x4000000)
+#define AHCI_CAP_SSS              (0x8000000)
+#define AHCI_CAP_SMPS            (0x10000000)
+#define AHCI_CAP_SSNTF           (0x20000000)
+#define AHCI_CAP_SNCQ            (0x40000000)
+#define AHCI_CAP_S64A            (0x80000000)
+
+#define AHCI_GHC                          (1)
+#define AHCI_GHC_HR                    (0x01)
+#define AHCI_GHC_IE                    (0x02)
+#define AHCI_GHC_MRSM                  (0x04)
+#define AHCI_GHC_RESERVED        (0x7FFFFFF8)
+#define AHCI_GHC_AE              (0x80000000)
+
+#define AHCI_IS                           (2)
+#define AHCI_PI                           (3)
+#define AHCI_VS                           (4)
+
+#define AHCI_CCCCTL                       (5)
+#define AHCI_CCCCTL_EN                 (0x01)
+#define AHCI_CCCCTL_RESERVED           (0x06)
+#define AHCI_CCCCTL_CC               (0xFF00)
+#define AHCI_CCCCTL_TV           (0xFFFF0000)
+
+#define AHCI_CCCPORTS                     (6)
+#define AHCI_EMLOC                        (7)
+
+#define AHCI_EMCTL                        (8)
+#define AHCI_EMCTL_STSMR               (0x01)
+#define AHCI_EMCTL_CTLTM              (0x100)
+#define AHCI_EMCTL_CTLRST             (0x200)
+#define AHCI_EMCTL_RESERVED      (0xF0F0FCFE)
+
+#define AHCI_CAP2                         (9)
+#define AHCI_CAP2_BOH                  (0x01)
+#define AHCI_CAP2_NVMP                 (0x02)
+#define AHCI_CAP2_APST                 (0x04)
+#define AHCI_CAP2_RESERVED       (0xFFFFFFF8)
+
+#define AHCI_BOHC                        (10)
+#define AHCI_RESERVED                    (11)
+#define AHCI_NVMHCI                      (24)
+#define AHCI_VENDOR                      (40)
+#define AHCI_PORTS                       (64)
+
+/*** Port Memory Offsets & Bitmasks ***/
+#define AHCI_PX_CLB                       (0)
+#define AHCI_PX_CLB_RESERVED          (0x1FF)
+
+#define AHCI_PX_CLBU                      (1)
+
+#define AHCI_PX_FB                        (2)
+#define AHCI_PX_FB_RESERVED            (0xFF)
+
+#define AHCI_PX_FBU                       (3)
+
+#define AHCI_PX_IS                        (4)
+#define AHCI_PX_IS_DHRS                 (0x1)
+#define AHCI_PX_IS_PSS                  (0x2)
+#define AHCI_PX_IS_DSS                  (0x4)
+#define AHCI_PX_IS_SDBS                 (0x8)
+#define AHCI_PX_IS_UFS                 (0x10)
+#define AHCI_PX_IS_DPS                 (0x20)
+#define AHCI_PX_IS_PCS                 (0x40)
+#define AHCI_PX_IS_DMPS                (0x80)
+#define AHCI_PX_IS_RESERVED       (0x23FFF00)
+#define AHCI_PX_IS_PRCS            (0x400000)
+#define AHCI_PX_IS_IPMS            (0x800000)
+#define AHCI_PX_IS_OFS            (0x1000000)
+#define AHCI_PX_IS_INFS           (0x4000000)
+#define AHCI_PX_IS_IFS            (0x8000000)
+#define AHCI_PX_IS_HBDS          (0x10000000)
+#define AHCI_PX_IS_HBFS          (0x20000000)
+#define AHCI_PX_IS_TFES          (0x40000000)
+#define AHCI_PX_IS_CPDS          (0x80000000)
+
+#define AHCI_PX_IE                        (5)
+#define AHCI_PX_IE_DHRE                 (0x1)
+#define AHCI_PX_IE_PSE                  (0x2)
+#define AHCI_PX_IE_DSE                  (0x4)
+#define AHCI_PX_IE_SDBE                 (0x8)
+#define AHCI_PX_IE_UFE                 (0x10)
+#define AHCI_PX_IE_DPE                 (0x20)
+#define AHCI_PX_IE_PCE                 (0x40)
+#define AHCI_PX_IE_DMPE                (0x80)
+#define AHCI_PX_IE_RESERVED       (0x23FFF00)
+#define AHCI_PX_IE_PRCE            (0x400000)
+#define AHCI_PX_IE_IPME            (0x800000)
+#define AHCI_PX_IE_OFE            (0x1000000)
+#define AHCI_PX_IE_INFE           (0x4000000)
+#define AHCI_PX_IE_IFE            (0x8000000)
+#define AHCI_PX_IE_HBDE          (0x10000000)
+#define AHCI_PX_IE_HBFE          (0x20000000)
+#define AHCI_PX_IE_TFEE          (0x40000000)
+#define AHCI_PX_IE_CPDE          (0x80000000)
+
+#define AHCI_PX_CMD                       (6)
+#define AHCI_PX_CMD_ST                  (0x1)
+#define AHCI_PX_CMD_SUD                 (0x2)
+#define AHCI_PX_CMD_POD                 (0x4)
+#define AHCI_PX_CMD_CLO                 (0x8)
+#define AHCI_PX_CMD_FRE                (0x10)
+#define AHCI_PX_CMD_RESERVED           (0xE0)
+#define AHCI_PX_CMD_CCS              (0x1F00)
+#define AHCI_PX_CMD_MPSS             (0x2000)
+#define AHCI_PX_CMD_FR               (0x4000)
+#define AHCI_PX_CMD_CR               (0x8000)
+#define AHCI_PX_CMD_CPS             (0x10000)
+#define AHCI_PX_CMD_PMA             (0x20000)
+#define AHCI_PX_CMD_HPCP            (0x40000)
+#define AHCI_PX_CMD_MPSP            (0x80000)
+#define AHCI_PX_CMD_CPD            (0x100000)
+#define AHCI_PX_CMD_ESP            (0x200000)
+#define AHCI_PX_CMD_FBSCP          (0x400000)
+#define AHCI_PX_CMD_APSTE          (0x800000)
+#define AHCI_PX_CMD_ATAPI         (0x1000000)
+#define AHCI_PX_CMD_DLAE          (0x2000000)
+#define AHCI_PX_CMD_ALPE          (0x4000000)
+#define AHCI_PX_CMD_ASP           (0x8000000)
+#define AHCI_PX_CMD_ICC          (0xF0000000)
+
+#define AHCI_PX_RES1                      (7)
+
+#define AHCI_PX_TFD                       (8)
+#define AHCI_PX_TFD_STS                (0xFF)
+#define AHCI_PX_TFD_STS_ERR            (0x01)
+#define AHCI_PX_TFD_STS_CS1            (0x06)
+#define AHCI_PX_TFD_STS_DRQ            (0x08)
+#define AHCI_PX_TFD_STS_CS2            (0x70)
+#define AHCI_PX_TFD_STS_BSY            (0x80)
+#define AHCI_PX_TFD_ERR              (0xFF00)
+#define AHCI_PX_TFD_RESERVED     (0xFFFF0000)
+
+#define AHCI_PX_SIG                       (9)
+#define AHCI_PX_SIG_SECTOR_COUNT       (0xFF)
+#define AHCI_PX_SIG_LBA_LOW          (0xFF00)
+#define AHCI_PX_SIG_LBA_MID        (0xFF0000)
+#define AHCI_PX_SIG_LBA_HIGH     (0xFF000000)
+
+#define AHCI_PX_SSTS                     (10)
+#define AHCI_PX_SSTS_DET               (0x0F)
+#define AHCI_PX_SSTS_SPD               (0xF0)
+#define AHCI_PX_SSTS_IPM              (0xF00)
+#define AHCI_PX_SSTS_RESERVED    (0xFFFFF000)
+#define SSTS_DET_NO_DEVICE             (0x00)
+#define SSTS_DET_PRESENT               (0x01)
+#define SSTS_DET_ESTABLISHED           (0x03)
+#define SSTS_DET_OFFLINE               (0x04)
+
+#define AHCI_PX_SCTL                     (11)
+
+#define AHCI_PX_SERR                     (12)
+#define AHCI_PX_SERR_ERR             (0xFFFF)
+#define AHCI_PX_SERR_DIAG        (0xFFFF0000)
+#define AHCI_PX_SERR_DIAG_X      (0x04000000)
+
+#define AHCI_PX_SACT                     (13)
+#define AHCI_PX_CI                       (14)
+#define AHCI_PX_SNTF                     (15)
+
+#define AHCI_PX_FBS                      (16)
+#define AHCI_PX_FBS_EN                  (0x1)
+#define AHCI_PX_FBS_DEC                 (0x2)
+#define AHCI_PX_FBS_SDE                 (0x4)
+#define AHCI_PX_FBS_DEV               (0xF00)
+#define AHCI_PX_FBS_ADO              (0xF000)
+#define AHCI_PX_FBS_DWE             (0xF0000)
+#define AHCI_PX_FBS_RESERVED     (0xFFF000F8)
+
+#define AHCI_PX_RES2                     (17)
+#define AHCI_PX_VS                       (28)
+
+#define HBA_DATA_REGION_SIZE            (256)
+#define HBA_PORT_DATA_SIZE              (128)
+#define HBA_PORT_NUM_REG (HBA_PORT_DATA_SIZE/4)
+
+#define AHCI_VERSION_0_95        (0x00000905)
+#define AHCI_VERSION_1_0         (0x00010000)
+#define AHCI_VERSION_1_1         (0x00010100)
+#define AHCI_VERSION_1_2         (0x00010200)
+#define AHCI_VERSION_1_3         (0x00010300)
+
+/*** Structures ***/
+
+/**
+ * Generic FIS structure.
+ */
+typedef struct FIS {
+    uint8_t fis_type;
+    uint8_t flags;
+    char data[0];
+} __attribute__((__packed__)) FIS;
+
+/**
+ * Register device-to-host FIS structure.
+ */
+typedef struct RegD2HFIS {
+    /* DW0 */
+    uint8_t fis_type;
+    uint8_t flags;
+    uint8_t status;
+    uint8_t error;
+    /* DW1 */
+    uint8_t lba_low;
+    uint8_t lba_mid;
+    uint8_t lba_high;
+    uint8_t device;
+    /* DW2 */
+    uint8_t lba3;
+    uint8_t lba4;
+    uint8_t lba5;
+    uint8_t res1;
+    /* DW3 */
+    uint16_t count;
+    uint8_t res2;
+    uint8_t res3;
+    /* DW4 */
+    uint16_t res4;
+    uint16_t res5;
+} __attribute__((__packed__)) RegD2HFIS;
+
+/**
+ * Register host-to-device FIS structure.
+ */
+typedef struct RegH2DFIS {
+    /* DW0 */
+    uint8_t fis_type;
+    uint8_t flags;
+    uint8_t command;
+    uint8_t feature_low;
+    /* DW1 */
+    uint8_t lba_low;
+    uint8_t lba_mid;
+    uint8_t lba_high;
+    uint8_t device;
+    /* DW2 */
+    uint8_t lba3;
+    uint8_t lba4;
+    uint8_t lba5;
+    uint8_t feature_high;
+    /* DW3 */
+    uint16_t count;
+    uint8_t icc;
+    uint8_t control;
+    /* DW4 */
+    uint32_t aux;
+} __attribute__((__packed__)) RegH2DFIS;
+
+/**
+ * Command List entry structure.
+ * The command list contains between 1-32 of these structures.
+ */
+typedef struct AHCICommand {
+    uint8_t b1;
+    uint8_t b2;
+    uint16_t prdtl; /* Phys Region Desc. Table Length */
+    uint32_t prdbc; /* Phys Region Desc. Byte Count */
+    uint32_t ctba;  /* Command Table Descriptor Base Address */
+    uint32_t ctbau; /*                                    '' Upper */
+    uint32_t res[4];
+} __attribute__((__packed__)) AHCICommand;
+
+/**
+ * Physical Region Descriptor; pointed to by the Command List Header,
+ * struct ahci_command.
+ */
+typedef struct PRD {
+    uint32_t dba;  /* Data Base Address */
+    uint32_t dbau; /* Data Base Address Upper */
+    uint32_t res;  /* Reserved */
+    uint32_t dbc;  /* Data Byte Count (0-indexed) & Interrupt Flag (bit 2^31) */
+} PRD;
+
+typedef struct HBACap {
+    uint32_t cap;
+    uint32_t cap2;
+} HBACap;
+
+/*** Macro Utilities ***/
+#define BITANY(data, mask) (((data) & (mask)) != 0)
+#define BITSET(data, mask) (((data) & (mask)) == (mask))
+#define BITCLR(data, mask) (((data) & (mask)) == 0)
+#define ASSERT_BIT_SET(data, mask) g_assert_cmphex((data) & (mask), ==, (mask))
+#define ASSERT_BIT_CLEAR(data, mask) g_assert_cmphex((data) & (mask), ==, 0)
+
+/* For calculating how big the PRD table needs to be: */
+#define CMD_TBL_SIZ(n) ((0x80 + ((n) * sizeof(PRD)) + 0x7F) & ~0x7F)
+
+#endif