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Re: [Qemu-devel] [PATCH 02/14] qtest/ahci: Create ahci.h


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 02/14] qtest/ahci: Create ahci.h
Date: Mon, 19 Jan 2015 18:06:39 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0


On 13/01/2015 04:34, John Snow wrote:
> 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 <address@hidden>
> ---
>  tests/ahci-test.c   | 319 +----------------------------------------------
>  tests/libqos/ahci.h | 352 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 353 insertions(+), 318 deletions(-)
>  create mode 100644 tests/libqos/ahci.h
> 
> diff --git a/tests/ahci-test.c b/tests/ahci-test.c
> index e77fa3a..fe903dd 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 <address@hidden>
> + *
> + * 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
> 

Reviewed-by: Paolo Bonzini <address@hidden>



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