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ahci: add host register enumeration 

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-10-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
John Snow 2018-06-08 13:17:37 -04:00
parent 3d74e87d09
commit da868a46db
2 changed files with 30 additions and 0 deletions
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15
hw/ide/ahci.c
View File

@ -47,6 +47,21 @@ static bool ahci_map_fis_address(AHCIDevice *ad);
static void ahci_unmap_clb_address(AHCIDevice *ad);
static void ahci_unmap_fis_address(AHCIDevice *ad);
__attribute__((__unused__)) /* TODO */
static const char *AHCIHostReg_lookup[AHCI_HOST_REG__COUNT] = {
[AHCI_HOST_REG_CAP] = "CAP",
[AHCI_HOST_REG_CTL] = "GHC",
[AHCI_HOST_REG_IRQ_STAT] = "IS",
[AHCI_HOST_REG_PORTS_IMPL] = "PI",
[AHCI_HOST_REG_VERSION] = "VS",
[AHCI_HOST_REG_CCC_CTL] = "CCC_CTL",
[AHCI_HOST_REG_CCC_PORTS] = "CCC_PORTS",
[AHCI_HOST_REG_EM_LOC] = "EM_LOC",
[AHCI_HOST_REG_EM_CTL] = "EM_CTL",
[AHCI_HOST_REG_CAP2] = "CAP2",
[AHCI_HOST_REG_BOHC] = "BOHC",
};
static const char *AHCIPortReg_lookup[AHCI_PORT_REG__COUNT] = {
[AHCI_PORT_REG_LST_ADDR] = "PxCLB",
[AHCI_PORT_REG_LST_ADDR_HI] = "PxCLBU",

15
hw/ide/ahci_internal.h
View File

@ -61,6 +61,21 @@
#define HOST_PORTS_IMPL 0x0c /* bitmap of implemented ports */
#define HOST_VERSION 0x10 /* AHCI spec. version compliancy */
enum AHCIHostReg {
AHCI_HOST_REG_CAP = 0, /* CAP: host capabilities */
AHCI_HOST_REG_CTL = 1, /* GHC: global host control */
AHCI_HOST_REG_IRQ_STAT = 2, /* IS: interrupt status */
AHCI_HOST_REG_PORTS_IMPL = 3, /* PI: bitmap of implemented ports */
AHCI_HOST_REG_VERSION = 4, /* VS: AHCI spec. version compliancy */
AHCI_HOST_REG_CCC_CTL = 5, /* CCC_CTL: CCC Control */
AHCI_HOST_REG_CCC_PORTS = 6, /* CCC_PORTS: CCC Ports */
AHCI_HOST_REG_EM_LOC = 7, /* EM_LOC: Enclosure Mgmt Location */
AHCI_HOST_REG_EM_CTL = 8, /* EM_CTL: Enclosure Mgmt Control */
AHCI_HOST_REG_CAP2 = 9, /* CAP2: host capabilities, extended */
AHCI_HOST_REG_BOHC = 10, /* BOHC: firmare/os handoff ctrl & status */
AHCI_HOST_REG__COUNT = 11
};
/* HOST_CTL bits */
#define HOST_CTL_RESET (1 << 0) /* reset controller; self-clear */
#define HOST_CTL_IRQ_EN (1 << 1) /* global IRQ enable */