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HV: make io_write_fn_t return true or false

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This patch makes io_write_fn_t return true or false instead of void.
Returning true means that the handler in HV process the request completely.
Returning false means that we need to re-inject the request to DM after
processing it in HV.

Tracked-On: #2865
Signed-off-by: Kaige Fu <kaige.fu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Kaige Fu
2019-03-28 14:36:50 +00:00
committed by ACRN System Integration
parent ed286e3239
commit 3b2ad67788
7 changed files with 33 additions and 15 deletions
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12
hypervisor/dm/vpic.c
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@@ -739,7 +739,7 @@ static uint32_t vpic_master_io_read(struct acrn_vm *vm, uint16_t addr, size_t wi
return val;
}
static void vpic_master_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
static bool vpic_master_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
uint32_t v)
{
uint32_t val = v;
@@ -748,6 +748,8 @@ static void vpic_master_io_write(struct acrn_vm *vm, uint16_t addr, size_t width
pr_err("%s: write port 0x%x width=%d value 0x%x failed\n",
__func__, addr, width, val);
}
return true;
}
static int32_t vpic_slave_handler(struct acrn_vm *vm, bool in, uint16_t port,
@@ -782,7 +784,7 @@ static uint32_t vpic_slave_io_read(struct acrn_vm *vm, uint16_t addr, size_t wid
return val;
}
static void vpic_slave_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
static bool vpic_slave_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
uint32_t v)
{
uint32_t val = v;
@@ -791,6 +793,8 @@ static void vpic_slave_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
pr_err("%s: write port 0x%x width=%d value 0x%x failed\n",
__func__, addr, width, val);
}
return true;
}
static int32_t vpic_elc_handler(struct acrn_vm *vm, bool in, uint16_t port, size_t bytes,
@@ -849,7 +853,7 @@ static uint32_t vpic_elc_io_read(struct acrn_vm *vm, uint16_t addr, size_t width
return val;
}
static void vpic_elc_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
static bool vpic_elc_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
uint32_t v)
{
uint32_t val = v;
@@ -858,6 +862,8 @@ static void vpic_elc_io_write(struct acrn_vm *vm, uint16_t addr, size_t width,
pr_err("%s: write port 0x%x width=%d value 0x%x failed\n",
__func__, addr, width, val);
}
return true;
}
static void vpic_register_io_handler(struct acrn_vm *vm)