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authorJohn Snow <jsnow@redhat.com>2018-06-08 13:17:37 -0400
committerJohn Snow <jsnow@redhat.com>2018-06-08 13:17:37 -0400
commitda868a46db847123965a8b234f2a33d73fa8d26d (patch)
tree5869ea02eb46da9dcea30f52d4615650ac028f40
parent3d74e87d09180c3a1b89b8daa7f7d143a12737fa (diff)
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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>
-rw-r--r--hw/ide/ahci.c15
-rw-r--r--hw/ide/ahci_internal.h15
2 files changed, 30 insertions, 0 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index a85847b..5be43ba 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -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",
diff --git a/hw/ide/ahci_internal.h b/hw/ide/ahci_internal.h
index db00c9a..af366db 100644
--- a/hw/ide/ahci_internal.h
+++ b/hw/ide/ahci_internal.h
@@ -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 */