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dm: refine ivshmem usage interface 

Change shared memory name prefix from sos to dm
Change shared memory size unit from byte to megabyte

Tracked-On: #4853

Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Yuan Liu 2020-09-10 13:25:49 +08:00 committed by wenlingz
parent 12557d2e2b
commit fe722ba085
1 changed files with 4 additions and 3 deletions
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7
devicemodel/hw/pci/ivshmem.c
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@ -63,7 +63,7 @@
#define IVSHMEM_RESERVED_REG 0x0f
#define hv_land_prefix "hv:/"
#define dm_land_prefix "sos:/"
#define dm_land_prefix "dm:/"
struct pci_ivshmem_vdev {
struct pci_vdev *dev;
@ -272,10 +272,11 @@ pci_ivshmem_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
pr_warn("the shared memory size is incorrect, %s\n", tmp);
goto err;
}
size *= 0x100000; /* convert to megabytes */
if (size < 0x200000 || size >= 0x40000000 ||
(size & (size - 1)) != 0) {
pr_warn("invalid shared memory size %u, the size range is [2M,1G) bytes and value must be a power of 2\n",
size);
pr_warn("Invalid shared memory size %u, the size range is [2MB,512MB], the unit is megabyte and the value must be a power of 2\n",
size/0x100000);
goto err;
}