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Implement multi SD/MMC command for Linux.

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This commit is contained in:
Natalia Portillo
2020-12-14 02:26:05 +00:00
parent 878d24b551
commit b48ee89443
2 changed files with 63 additions and 10 deletions
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6
aaruremote.h
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@@ -632,11 +632,7 @@ int32_t SendMultiSdhciCommand(void* device_ctx,
MmcSingleCommand commands[], MmcSingleCommand commands[],
uint32_t* duration, uint32_t* duration,
uint32_t* sense); uint32_t* sense);
int32_t OsRead(void* device_ctx, int32_t OsRead(void* device_ctx, char* buffer, uint64_t offset, uint32_t length, uint32_t* duration);
char *buffer,
uint64_t offset,
uint32_t length,
uint32_t* duration);
AaruPacketHello* GetHello(); AaruPacketHello* GetHello();
int PrintNetworkAddresses(); int PrintNetworkAddresses();
char* PrintIpv4Address(struct in_addr addr); char* PrintIpv4Address(struct in_addr addr);

57
linux/sdhci.c
View File

@@ -236,3 +236,60 @@ int32_t GetSdhciRegisters(void* device_ctx,
return csd_len != 0 || cid_len != 0 || scr_len != 0 || ocr_len != 0; return csd_len != 0 || cid_len != 0 || scr_len != 0 || ocr_len != 0;
} }
int32_t SendMultiSdhciCommand(void* device_ctx,
uint64_t count,
MmcSingleCommand commands[],
uint32_t* duration,
uint32_t* sense)
{
DeviceContext* ctx = device_ctx;
*duration = 0;
*sense = 0;
struct mmc_ioc_multi_cmd* mmc_ioc_multi_cmd;
uint64_t i;
int32_t error;
if(!ctx) return -1;
mmc_ioc_multi_cmd = malloc(sizeof(struct mmc_ioc_multi_cmd) + sizeof(struct mmc_ioc_cmd) * count);
if(!mmc_ioc_multi_cmd)
{
*sense = 1;
return errno;
}
memset(mmc_ioc_multi_cmd, 0, sizeof(struct mmc_ioc_multi_cmd) + sizeof(struct mmc_ioc_cmd) * count);
mmc_ioc_multi_cmd->num_of_cmds = count;
for(i = 0; i < count; i++)
{
mmc_ioc_multi_cmd->cmds[i].write_flag = commands[i].write;
mmc_ioc_multi_cmd->cmds[i].is_acmd = commands[i].application;
mmc_ioc_multi_cmd->cmds[i].opcode = commands[i].command;
mmc_ioc_multi_cmd->cmds[i].arg = commands[i].argument;
mmc_ioc_multi_cmd->cmds[i].flags = commands[i].flags;
mmc_ioc_multi_cmd->cmds[i].blksz = commands[i].block_size;
mmc_ioc_multi_cmd->cmds[i].blocks = commands[i].blocks;
/* TODO: Where?
if(commands[i].timeout > 0)
{
mmc_ioc_multi_cmd->cmds[i].data_timeout_ns = commands[i].timeout * 1000000000;
mmc_ioc_multi_cmd->cmds[i].cmd_timeout_ms = commands[i].timeout * 1000;
}
*/
mmc_ioc_multi_cmd->cmds[i].data_ptr = (uint64_t)commands[i].buffer;
}
error = ioctl(ctx->fd, MMC_IOC_MULTI_CMD, mmc_ioc_multi_cmd);
if(error < 0) error = errno;
*sense = error < 0;
for(i = 0; i < count; i++)
memcpy((char*)commands[i].response, (char*)mmc_ioc_multi_cmd->cmds[i].response, sizeof(uint32_t) * 4);
return error;
}